Industry applications

WEIDUN INDUSTRY APPLICATIONS

Industry Applications

Complete oil smoke purification solutions for commercial kitchens, from survey to environmental acceptance.
Full-Scene Implementation

Matching Complete Purification Chains for Real Conditions

Weidun provides standardized and customized solutions for restaurants, government canteens, commercial complexes, food processing and outdoor night markets, with survey, design, installation, maintenance and acceptance support.

Industry-Specific Solutions

Quickly find solutions by business type, oil smoke concentration and emission conditions.

01

Sichuan & Hunan Cuisine

Sichuan, Hunan, home-style restaurants

Pain Points
Multiple stoves, heavy instantaneous oil smoke, resident complaints and environmental inspections.
Solution
Electrostatic purifier with rear UV deodorization module, standardized ducting and fire protection.
Selection Standard
2500-4000m³/h per stove, multi-stove parallel processing
98% oil removal rateReduced duct oil accumulationQuarterly maintenance
02

BBQ & Hotpot

BBQ, charcoal hotpot, fried skewers

Pain Points
Heavy oil smoke and odor, viscous grease, strict property management for low-altitude emissions.
Solution
Dual-stage high-voltage electrostatic with activated carbon deep deodorization, optional silent low-emission config.
Selection Standard
Conventional airflow +30%, suited for continuous high-temperature operation
Dual oil & odor removalModular electric field easy to cleanHigh-frequency maintenance support
03

Mall & Commercial Street Stalls

No public duct, food court kiosks

Pain Points
Limited space, property restricts external ducting, high noise and no external wall exhaust.
Solution
Internal circulation integrated purifier, multi-layer pre-filtration, no external duct needed.
Selection Standard
Based on stove count and business intensity
No structural changesLow-noise operationSingle unit serves small stall
04

Government & School Canteens

Large canteens and industrial kitchens

Pain Points
Numerous stoves, continuous high-load operation, regular environmental inspections.
Solution
High-power combined purification unit with IoT monitoring, multi-unit coordinated control.
Selection Standard
Calculated by total stove airflow and duct resistance
Remote status monitoringAutomatic fault alertsNational maintenance network
05

Chain Restaurant Brands

Multi-location standardized construction

Pain Points
Varying conditions across locations, need unified selection, construction, after-sales and acceptance standards.
Solution
Tiered store model packages, unified technical support from HQ, local dealer service.
Selection Standard
Standardized selection table based on store tier
Unified supply standardsDedicated after-sales channelBulk purchase support
06

Food Processing Workshops

Frying, baking and industrial oil mist

Pain Points
Continuous oil mist affects equipment, workshop environment and employee health, needs long-hour operation.
Solution
Industrial-grade high-voltage electrostatic equipment, corrosion-resistant electric field with explosion-proof exhaust design.
Selection Standard
Designed by production line exhaust volume and oil mist concentration
24/7 operation supportReduce oil accumulationWorkshop hygiene compliance
07

Outdoor Night Markets & Stalls

BBQ carts and temporary stands

Pain Points
Outdoor oil smoke dispersion, limited installation, need lightweight portable equipment.
Solution
Integrated BBQ purifier cart, built-in electrostatic unit and fan, plug and play.
Selection Standard
Matched by BBQ stand width and stove count
Compact and portableQuick deploymentUniversal replaceable parts
08

Odor Control for Kitchens

Oil smoke odor and low-altitude emissions

Pain Points
Electrostatic mainly handles particles; volatile odors from stir-fry, BBQ, hotpot and frying may still spread.
Solution
Front electrostatic + rear UV deodorization + activated carbon multi-stage combination, optimized duct sealing and outlet positioning.
Selection Standard
Match deodorization modules by system airflow, odor concentration, emission distance and operating hours
Multi-stage coordinated deodorizationModular consumable maintenanceReduce odor complaints

Supporting Services

From on-site data to construction acceptance, ensuring accurate implementation.

Find Local Dealer

Free on-site survey

Authorized local dealer measures kitchen dimensions, calculates airflow and provides custom plan.

Technical drawing support

Provide equipment dimensions and duct layout CAD drawings for coordinated construction.

Custom modification

Custom units and installation for irregular kitchens, confined spaces and special emission requirements.

Environmental acceptance assistance

Provide test reports and equipment certification documents, coordinate on-site inspection and acceptance.

Successful Project Cases

Real project backgrounds, challenges, implementations and results.

Chengdu海湾Grand Hotel – Canteen Oil Smoke Treatment
成都8000m³/h

Chengdu海湾Grand Hotel – Canteen Oil Smoke Treatment

Background
Urban premium business hotel employee canteen; oil smoke odor dispersion disrupts guest rooms and banquet hall reception.
Challenges
Hotel hosts guests全天候; construction noise easily disrupts banquet and guest stay experience.
Solution
Rooftop compact quiet purification unit, fully sealed duct high-altitude exhaust, nighttime low-occupancy construction.
Results
Guest rooms and banquet halls free of oil smoke odors, quiet operation保障premium business reception quality.
Shenzhen Zhanyun Langqi Hotel – Canteen Oil Smoke Treatment
深圳8000m³/h

Shenzhen Zhanyun Langqi Hotel – Canteen Oil Smoke Treatment

Background
Coastal resort hotel staff kitchen; salt spray corrodes equipment, oil smoke affects sea-view guest room experience.
Challenges
Seaside high humidity with salt spray, hotel hosts guests全天, limited rooftop installation space.
Solution
Stainless steel ultra-thin ceiling-mounted purification unit, wind-proof high-altitude exhaust duct, nighttime quiet construction.
Results
Equipment salt-spray resistant and corrosion-proof, sea-view rooms free of oil smoke odors,保障coastal resort quality.
Zengcheng Rongruilong – Commercial Complex Oil Smoke Treatment
广州160000m³/h

Zengcheng Rongruilong – Commercial Complex Oil Smoke Treatment

Background
Multiple ground-floor restaurants with failed simple purifiers and oil-saturated ducts posing fire hazards.
Challenges
Limited ceiling cavity space prevented installation of multiple independent purification units.
Solution
Two ultra-thin integrated units for zoned coverage with upgraded fireproof exhaust ducts throughout.
Results
No visible smoke emissions, both fire safety and environmental compliance achieved, concealed installation preserved original décor.
Yangjiang No.1 Middle School – Canteen Oil Smoke Equipment Renewal
阳江20000m³/h

Yangjiang No.1 Middle School – Canteen Oil Smoke Equipment Renewal

Background
Middle school canteen purification equipment aged and failed, oil smoke spreading to teaching areas.
Challenges
Construction only possible during winter/summer breaks; meal service must not be interrupted after school starts.
Solution
Integrated anti-corrosion purification unit, complete system replacement during winter/summer break.
Results
Normal meal service resumed without oil smoke odors, compliant emissions suitable for whole-school dining.
Liyuan School – Canteen Oil Smoke Equipment Renewal
深圳19000m³/h

Liyuan School – Canteen Oil Smoke Equipment Renewal

Background
Public primary school canteen with aged failed purification equipment, oil smoke dispersing to campus activity areas.
Challenges
Students on campus all day; construction only on weekends, strict oil leakage safety risk control.
Solution
Ultra-thin ceiling-mounted quiet purification unit, sealed shaft high-altitude exhaust, fully enclosed leak-proof structure.
Results
Campus free of oil smoke odors, no oil leakage safety hazards, suitable for primary school quiet environment.
Longgang Tea Expo Park – Shopping Mall Oil Smoke Treatment
深圳190000m³/h

Longgang Tea Expo Park – Shopping Mall Oil Smoke Treatment

Background
Oil smoke from the tea restaurant infiltrated the tea exhibition hall, contaminating products and harming business operations.
Challenges
Weak atrium ventilation and strict noise control requirements to avoid disrupting customer flow.
Solution
Low-noise purification unit with multi-stage filtration and concealed insulated duct installation.
Results
No oil smoke or odors in the mall, tea products free of oil residue, emissions compliant with environmental standards.
Horoy Properties – Tianjun Community Commercial Oil Smoke Renovation
深圳158000m³/h

Horoy Properties – Tianjun Community Commercial Oil Smoke Renovation

Background
Small community ground-floor restaurants with failed simple purifiers causing continuous complaints from residents above.
Challenges
Extremely narrow shop spaces, no rooftop equipment platform, only ceiling cavity available for unit installation.
Solution
Ultra-thin ceiling-mounted integrated purification unit, concealed installation in ceiling cavity.
Results
No operating space occupied, oil smoke and odors eliminated, zero complaints from residents below.
BYD Zhongshan Phase II No.2 – Canteen Oil Smoke System
中山175000m³/h

BYD Zhongshan Phase II No.2 – Canteen Oil Smoke System

Background
Zhongshan factory Phase II new large employee canteen in hot-humid kitchen prone to equipment corrosion.
Challenges
Southern rainy high salt-spray area; rooftop equipment prone to moisture rust, heavy oil smoke load.
Solution
Full stainless steel anti-corrosion purification unit, rooftop rain shielding, large-capacity oil filter.
Results
Equipment moisture-resistant and corrosion-proof, oil smoke全天stable and compliant, suitable for mass worker dining.
Biel Precision – Custom Stainless Steel Oil Smoke Purifier
惠州130000m³/h

Biel Precision – Custom Stainless Steel Oil Smoke Purifier

Background
Small factory canteen with severely corroded existing equipment and declining purification efficiency.
Challenges
High moisture and corrosive oil fumes in the kitchen rapidly rust and damage ordinary equipment.
Solution
Full 304 stainless steel custom purification unit with anti-corrosion ducts and automatic oil collection system.
Results
Corrosion-resistant equipment with extended service life, stable oil smoke purification meeting standards without odors.
BYD Baolong B3 – Canteen Oil Smoke Renovation
深圳150000m³/h

BYD Baolong B3 – Canteen Oil Smoke Renovation

Background
Factory small employee cafeteria with clogged old purification equipment, poor exhaust causing oil smoke overflow.
Challenges
Continuous factory production, cafeteria cannot shut down, equipment room is extremely narrow.
Solution
Compact vertical purification unit, single-side phased replacement ensuring continuous meal service.
Results
Smooth exhaust without oil smoke overflow, compliant emissions, adapted to factory staggered meal pattern.
BYD Changzhou No.4 – Canteen Oil Smoke System
常州126500m³/h

BYD Changzhou No.4 – Canteen Oil Smoke System

Background
Changzhou factory medium employee canteen; northern winter low temperatures cause pipe grease solidification blockage.
Challenges
Autumn/winter low temperatures cause oil smoke grease to solidify on pipe walls, increasing exhaust resistance.
Solution
Insulated heat-traced stainless steel duct, high-flow integrated purification unit, large-capacity oil chamber.
Results
No grease solidification blockage in low temperatures, sustained smooth exhaust,全天compliant oil smoke emissions.
Huadu Star City – Combined Oil Smoke & Odor Purifier
广州80000m³/h

Huadu Star City – Combined Oil Smoke & Odor Purifier

Background
Mixed restaurant types created blended odors, with nighttime oil smoke dispersion disturbing residents.
Challenges
Aging leaking exhaust ducts allowed odors to seep through ceiling gaps into retail shops throughout the mall.
Solution
Integrated smoke and odor removal unit with complete sealed duct replacement and check valve installation.
Results
No duct leakage or odor migration, dual smoke and odor compliance, zero nighttime resident complaints.
BYD Pingshan No.7 – Canteen Oil Smoke Treatment
深圳140000m³/h

BYD Pingshan No.7 – Canteen Oil Smoke Treatment

Background
Factory canteen with multiple stove groups cooking simultaneously, high oil smoke concentration exceeding old equipment capacity.
Challenges
Three staggered meal periods daily with high peak oil smoke load, filters requiring excessively frequent cleaning.
Solution
High-flow combined purification unit with thickened large-capacity primary oil removal filter.
Results
Peak oil smoke fully treated, extended cleaning cycles, no oil smoke accumulation in kitchen.
BYD Baolong B3 – Canteen Oil Smoke Phased Renovation
深圳135000m³/h

BYD Baolong B3 – Canteen Oil Smoke Phased Renovation

Background
Factory medium employee canteen with old purification equipment clogged, oil smoke overflowing kitchen.
Challenges
Factory production non-stop, canteen cannot fully close, equipment room space is narrow.
Solution
Single-side phased renovation, compact vertical purification unit, nighttime construction and hoisting.
Results
Full renovation without interrupting meal service, kitchen free of oil smoke overflow, emissions stably compliant.
Junhao Group – Commercial Complex Oil Smoke Purification
深圳95000m³/h

Junhao Group – Commercial Complex Oil Smoke Purification

Background
Large commercial complex with concentrated restaurants, high oil smoke emissions, and frequent environmental inspections.
Challenges
Numerous tenants with complex piping, short renovation timeline, and no allowance for extended business closure.
Solution
Large rooftop centralized purification unit with phased zoned construction to upgrade ducts.
Results
Overall compliant emissions, unified maintenance, successfully passed multiple environmental inspections.
CUHK Shenzhen – Canteen Oil Smoke Purification
深圳88000m³/h

CUHK Shenzhen – Canteen Oil Smoke Purification

Background
University campus canteen adjacent to teaching and research buildings, strict control of oil smoke and odor dispersion.
Challenges
Campus research areas house precision instruments; oil smoke must not infiltrate the shared ventilation system.
Solution
Fully sealed purification unit with dedicated independent exhaust shaft and rooftop high-altitude emission.
Results
No oil smoke infiltration into research buildings, campus odor-free, emissions fully compliant.
Jinlin Kindergarten – Canteen Oil Smoke Renovation
深圳8100m³/h

Jinlin Kindergarten – Canteen Oil Smoke Renovation

Background
Community kindergarten canteen with low-altitude oil smoke exhausting toward children's playground, causing complaints.
Challenges
Young children are sensitive; strict noise and oil leakage control, construction limited to weekends.
Solution
Ultra-thin ceiling-mounted quiet fully sealed purification unit, internal shaft high-altitude exhaust.
Results
Playground free of oil smoke odors, no oil leakage safety hazards, quiet operation suitable for kindergarten.
Poly Zhongyu Plaza – Commercial Complex Oil Smoke Treatment
深圳260000m³/h

Poly Zhongyu Plaza – Commercial Complex Oil Smoke Treatment

Background
Office tower ground-floor restaurants with oil smoke easily migrating into upper office floors and disrupting work.
Challenges
Tall narrow vertical ducts causing oil smoke deposition and accumulation, extremely difficult to clean.
Solution
High-pressure purification fan, multi-stage filtration unit, multiple access hatches added along the duct.
Results
No oil smoke migration into office areas, slowed duct oil accumulation, emissions fully compliant.
Guangdong Experimental Middle School Maoming – Canteen Oil Smoke System
茂名18000m³/h

Guangdong Experimental Middle School Maoming – Canteen Oil Smoke System

Background
New high school canteen serving all students and staff, oil smoke must stay away from dormitories and teaching areas.
Challenges
Compact campus layout with limited rooftop equipment space, strict operational noise control required.
Solution
Compact high-flow purification unit with dual-layer soundproof fan and raised high-altitude exhaust outlet.
Results
Campus free of oil smoke odors, quiet operation, meeting whole-school centralized dining demand.
Futian Zhuxiang School – Canteen Oil Smoke Rectification
深圳9500m³/h

Futian Zhuxiang School – Canteen Oil Smoke Rectification

Background
Public primary school canteen with oil smoke odors drifting toward surrounding residential community, received environmental rectification notice.
Challenges
School adjacent to residences; construction noise easily disturbs residents, campus limited space without rooftop machine room.
Solution
Ultra-thin ceiling-mounted quiet purification unit, raised internal shaft high-altitude exhaust, off-peak nighttime construction.
Results
Resident oil smoke complaints zeroed out, campus free of oil smoke dispersion, quiet operation without disrupting teaching.
Ping An Financial Tower – Commercial Combined Oil Smoke Purifier
深圳12000m³/h

Ping An Financial Tower – Commercial Combined Oil Smoke Purifier

Background
Employee cafeteria and ground-floor dining with oil smoke affecting the premium office environment.
Challenges
Strict façade controls prohibit any equipment or ductwork visible from the building exterior.
Solution
Rooftop concealed purification unit with zero exterior duct visibility and fully sealed exhaust system.
Results
No oil smoke leakage, intact building aesthetics, compliant emissions suitable for premium office tower.
BNU Zhuhai Campus – Canteen Oil Smoke Renovation
珠海18200m³/h

BNU Zhuhai Campus – Canteen Oil Smoke Renovation

Background
University faculty canteen primarily light cooking, with oil smoke odors disturbing the campus teaching area.
Challenges
Campus landscape protection; equipment and ducts must not alter the building exterior appearance.
Solution
Ultra-thin ceiling-mounted purification unit, internal shaft concealed exhaust, zero exposed piping.
Results
Building exterior intact and unchanged, campus free of oil smoke odors, emissions compliant.
Futian No.2 Primary School – Canteen Oil Smoke Renewal
深圳91000m³/h

Futian No.2 Primary School – Canteen Oil Smoke Renewal

Background
Primary school with aged failed purification equipment, oil smoke infiltrating classrooms, joint education and environmental inspection demanded rectification.
Challenges
Students on campus all day; only weekends available for construction, must eliminate oil leakage safety hazards.
Solution
Ceiling-mounted fully sealed quiet unit, internal shaft high-altitude exhaust, one-way check valves to prevent odor backflow.
Results
Classrooms free of oil smoke infiltration, zero oil leakage, passed joint education and environmental follow-up inspection.
Xiamen Hongding International Plaza – Commercial Combined Exhaust System
厦门201000m³/h

Xiamen Hongding International Plaza – Commercial Combined Exhaust System

Background
Coastal commercial plaza restaurant oil smoke with sea breeze corrosion damaging equipment and odors spreading to nearby residential areas.
Challenges
High coastal salt-spray environment rapidly corrodes ordinary equipment, and sea wind disrupts exhaust airflow patterns.
Solution
304 stainless steel anti-corrosion unit with raised exhaust outlet and wind-deflecting guide devices.
Results
Salt-spray resistant corrosion-proof equipment, high-altitude emissions, zero coastal area odor complaints.
Manjinghua Joy Lane Kindergarten – Canteen Exhaust Renovation
深圳18600m³/h

Manjinghua Joy Lane Kindergarten – Canteen Exhaust Renovation

Background
Community kindergarten canteen with oil smoke odors drifting toward children's outdoor play and activity areas.
Challenges
Young children with weak immunity; zero tolerance for oil leaks, electrical hazards, and fire risks.
Solution
Fully enclosed leak-proof quiet purification unit, independent sealed exhaust duct, weekend off-peak construction.
Results
Campus free of oil smoke odors, zero oil leakage safety hazards, suitable for kindergarten environment.
Baoan Taoyuanju Kindergarten – Canteen Oil Smoke Renovation
深圳84000m³/h

Baoan Taoyuanju Kindergarten – Canteen Oil Smoke Renovation

Background
Community kindergarten canteen with low-altitude oil smoke dispersing toward children's play area, triggering parent complaints.
Challenges
Children sensitive to noise and odors, compact campus without rooftop equipment installation space.
Solution
Ultra-thin ceiling-mounted quiet purification unit, internal shaft high-altitude exhaust, weekend segmented construction.
Results
Play area free of oil smoke odors, equipment quiet and leak-free, all parent complaints eliminated.
Guanlan Military Unit – Canteen Oil Smoke Purifier Installation
深圳18000m³/h

Guanlan Military Unit – Canteen Oil Smoke Purifier Installation

Background
Internal military canteen with direct oil smoke discharge failing camp environmental and internal management regulations.
Challenges
Strict camp access control, limited construction windows, equipment appearance must be neat and low-profile.
Solution
Integrated quiet purification unit with off-peak construction scheduling and concealed duct installation.
Results
Fully compliant oil smoke emissions, no camp odors, meeting both internal management and environmental requirements.
Jinlong No.2 Kindergarten – Canteen Exhaust Renovation
深圳18000m³/h

Jinlong No.2 Kindergarten – Canteen Exhaust Renovation

Background
Kindergarten with failed simple purifier causing oil smoke to infiltrate classrooms and affect children's daily activities.
Challenges
Compact campus with no rooftop equipment platform, only ceiling cavity available for unit installation.
Solution
Ultra-thin ceiling-mounted integrated purification unit with concealed sealed exhaust branch ducts.
Results
No oil smoke infiltration into classrooms, no oil leakage, quiet operation suitable for campus environment.
Futian Xinzhou Middle School – Canteen Oil Smoke Upgrade
深圳120000m³/h

Futian Xinzhou Middle School – Canteen Oil Smoke Upgrade

Background
Middle school canteen with low-altitude oil smoke emissions, surrounding residents suffering years of odor complaints.
Challenges
Campus adjacent to residential community; daytime construction noise disturbs residents, limited rooftop equipment space.
Solution
Rooftop compact quiet purification unit, extended high-altitude exhaust duct, nighttime noise-reduced construction.
Results
Resident odor complaints zeroed out, campus free of oil smoke dispersion, suitable for whole-school dining load.
Biel Crystal Phase II – Canteen Oil Smoke Renovation
惠州105000m³/h

Biel Crystal Phase II – Canteen Oil Smoke Renovation

Background
Phase II expansion adding a thousand-person canteen with numerous new stoves requiring a complete oil smoke system.
Challenges
Compact new kitchen space requiring simultaneous planning of ducts and purification equipment under tight construction deadlines.
Solution
Integrated high-flow purification unit with complete stainless steel exhaust system installed concurrently with construction.
Results
New canteen fully compliant on oil smoke, high space utilization, meeting thousand-person dining demand.
Gemdale Kaixuan Kindergarten – Canteen Exhaust Renovation
深圳18300m³/h

Gemdale Kaixuan Kindergarten – Canteen Exhaust Renovation

Background
Community kindergarten canteen with low-altitude oil smoke exhausting toward residential walking paths, causing complaints.
Challenges
Dense community with heavy foot traffic; construction noise and dust easily trigger parent and resident dissatisfaction.
Solution
Ceiling-mounted quiet purification unit with raised internal shaft high-altitude exhaust, time-segmented construction.
Results
Walking paths free of oil smoke odors, renovation without resident complaints, equipment safe and quiet.
CUHK School of Music – Canteen Oil Smoke Treatment
深圳87800m³/h

CUHK School of Music – Canteen Oil Smoke Treatment

Background
Music school small canteen where oil smoke odors would interfere with vocal music classrooms and rehearsals.
Challenges
Vocal classrooms are precision soundproofed; equipment vibration and oil smoke infiltration would both disrupt vocal music teaching.
Solution
Ultra-thin ceiling-mounted vibration-dampened purification unit, independent dedicated exhaust shaft, fully sealed anti-backflow design.
Results
Vocal classrooms free of oil smoke odors, equipment low-vibration and quiet, does not interfere with music teaching.
BYD – Canteen Oil Smoke Renovation
深圳200000m³/h

BYD – Canteen Oil Smoke Renovation

Background
Aging canteen purification equipment with exceeding oil smoke emissions facing mandatory rectification.
Challenges
Non-stop factory production means the canteen cannot shut down for extended renovation.
Solution
Phased zoned renovation with temporary backup exhaust and vertical integrated purification units.
Results
Renovation without service interruption, compliant emissions, suitable for mass worker dining operations.
Shenzhen Middle School Longgang Junior – Canteen Exhaust Renovation
深圳20000m³/h

Shenzhen Middle School Longgang Junior – Canteen Exhaust Renovation

Background
Middle school canteen with clogged aging purification equipment, oil smoke spreading to teaching building classrooms.
Challenges
Large student population; only winter/summer breaks provide a complete renovation construction window.
Solution
Vertical anti-corrosion integrated purification unit with complete stainless steel duct one-time replacement.
Results
Normal meal service resumed after break without oil smoke, teaching building odor-free, equipment corrosion-resistant with long life.
Beijing Tencent Tower – Canteen Oil Smoke System
北京65000m³/h

Beijing Tencent Tower – Canteen Oil Smoke System

Background
Premium internet office tower employee canteen where oil smoke easily migrates into office areas affecting work environment.
Challenges
Strict building façade control; equipment and ducts must not be visible, office areas require strict noise and vibration control.
Solution
Rooftop machine-room concealed purification unit, internal shaft fully sealed high-altitude exhaust.
Results
Façade intact and beautiful, office areas free of oil smoke odors, low-vibration quiet operation suitable for premium tower.
Boya High School Campus – New School Canteen Project
深圳98000m³/h

Boya High School Campus – New School Canteen Project

Background
New high school campus canteen where oil smoke must not spread to teaching and dormitory areas.
Challenges
Strict campus noise and odor controls, construction must avoid class hours entirely.
Solution
Low-noise quiet purification unit, concealed rooftop installation, off-peak nighttime and weekend construction.
Results
Campus free of oil smoke odors, quiet operation, compliant with campus environmental control standards.
Longhua Guanhu Experimental School – Canteen Exhaust Renovation
深圳90000m³/h

Longhua Guanhu Experimental School – Canteen Exhaust Renovation

Background
Public school canteen with low-altitude oil smoke emissions, long-term resident complaints about odors.
Challenges
School adjacent to residential area; strict construction noise control required, cannot disturb residents.
Solution
Rooftop quiet combined purification unit, high-altitude exhaust, nighttime low-noise工序construction.
Results
Resident oil smoke complaints zeroed out, campus free of oil smoke dispersion, emissions stably compliant.
Guilin Shenzhen Tech Industrial Park – Canteen Oil Smoke Treatment
桂林120000m³/h

Guilin Shenzhen Tech Industrial Park – Canteen Oil Smoke Treatment

Background
Large manufacturing park thousand-person canteen where oil smoke直排 can contaminate factory production workshops.
Challenges
Southern humid high-moisture; ordinary equipment easily rusts, factory production cannot stop for renovation.
Solution
304 stainless steel anti-corrosion purification unit, phased zoned renovation, VFD high-flow fan.
Results
Equipment moisture-resistant without rust, workshops free of oil smoke contamination, canteen maintained continuous service during renovation.
Heyuan Chunmuyuan Town – New Canteen Oil Smoke Project
河源120000m³/h

Heyuan Chunmuyuan Town – New Canteen Oil Smoke Project

Background
Staff canteen in a cultural-tourism town surrounded by vacation guesthouses, oil smoke affecting visitor experience.
Challenges
Hillside town with limited duct routing options, guesthouses adjacent to canteen vulnerable to low-altitude odor drift.
Solution
Rooftop raised exhaust purification unit with extended duct for high-altitude emission.
Results
High-altitude diluted and purified emissions, guesthouses odor-free, compatible with eco-tourism town environment.
Yuanling Experimental Primary School – Canteen Exhaust Renovation
深圳98000m³/h

Yuanling Experimental Primary School – Canteen Exhaust Renovation

Background
Primary school canteen with failed simple purification equipment, oil smoke infiltrating classrooms and campus playground.
Challenges
Students on campus all day; construction only possible on weekends, strict oil leakage safety hazard control.
Solution
Ultra-thin ceiling-mounted quiet purification unit, internal shaft sealed high-altitude exhaust.
Results
Campus-wide areas free of oil smoke odors, no oil leakage, suitable for young primary school environment.
Hainan R&F Ocean Paradise – Canteen Oil Smoke Treatment
三亚13000m³/h

Hainan R&F Ocean Paradise – Canteen Oil Smoke Treatment

Background
Coastal cultural-tourism park employee canteen; sea breeze salt spray corrodes equipment, oil smoke pollutes scenic landscape.
Challenges
Coastal high salt-spray corrosive environment, park operates全天without long closure for renovation.
Solution
Full stainless steel anti-corrosion unit, raised wind-proof exhaust outlet, off-peak nighttime construction.
Results
Equipment salt-spray resistant and corrosion-proof, scenic area free of oil smoke odors, no disruption to visitor experience.
Huazhou Wanda Plaza – Commercial Complex Oil Smoke Renovation
茂名300000m³/h

Huazhou Wanda Plaza – Commercial Complex Oil Smoke Renovation

Background
Multi-floor restaurant concentration with oil smoke and odors spreading into the mall atrium affecting customer traffic.
Challenges
Non-stop mall operations, multi-level cross-laid piping, difficult tenant coordination for renovation.
Solution
Large rooftop centralized purification unit with independent floor-level branch control, nighttime construction.
Results
Atrium free of oil smoke odors, all tenant emissions compliant, improved mall consumer shopping environment.
Longhua Longsheng Experimental School – Canteen Oil Smoke System
深圳56000m³/h

Longhua Longsheng Experimental School – Canteen Oil Smoke System

Background
New public school canteen requiring simultaneous installation of complete oil smoke purification exhaust system.
Challenges
Compact campus layout with narrow rooftop equipment space, strict noise and low-altitude oil smoke controls.
Solution
Compact high-flow integrated purification unit with raised quiet high-altitude exhaust duct.
Results
Campus free of oil smoke odors, quiet operation, one-time配套meeting whole-school dining demand.
Lijiang Crystal Hilton Hotel – Canteen Oil Smoke Treatment
丽江16000m³/h

Lijiang Crystal Hilton Hotel – Canteen Oil Smoke Treatment

Background
Premium resort hotel staff kitchen; oil smoke infiltrating guest rooms and leisure areas degrading guest experience.
Challenges
Mountainside hotel with staggered buildings; duct routing is highly difficult, hotel hosts guests全天候.
Solution
Compact rooftop purification unit, segmented concealed duct routing, one-way check valves to prevent oil smoke backflow.
Results
Guest rooms free of oil smoke odors, hotel全域fresh air, does not affect premium resort experience.
Biel Crystal Technology Huizhou – Factory Canteen Combined Oil Smoke Purifier
惠州220000m³/h

Biel Crystal Technology Huizhou – Factory Canteen Combined Oil Smoke Purifier

Background
The factory canteen serving thousands of workers discharged oil smoke directly, resulting in multiple environmental rectification notices.
Challenges
Dense stove layout with limited equipment installation space and high oil smoke concentration.
Solution
Three-stage integrated purification unit with VFD fan and upgraded fireproof ducting system.
Results
Oil smoke purification meets standards, no odor complaints, simple quarterly maintenance with low operating costs.
Xiamen Dijing Court – Commercial UV Combined Oil Smoke Renovation
厦门180000m³/h

Xiamen Dijing Court – Commercial UV Combined Oil Smoke Renovation

Background
Premium residential ground-floor restaurants with oil smoke infiltrating upstairs apartments and persistent owner complaints.
Challenges
Residents highly sensitive to noise and odors, construction easily triggers resident dissatisfaction.
Solution
UV-enhanced deodorization combined purification unit with rooftop high-altitude quiet exhaust and fully sealed ducts.
Results
No oil smoke entering residences, odors essentially eliminated, all owner complaints zeroed out.
Sun Yat-sen University Affiliated Primary School – Canteen Oil Smoke Rectification
中山102000m³/h

Sun Yat-sen University Affiliated Primary School – Canteen Oil Smoke Rectification

Background
Primary school canteen with oil smoke odors drifting toward teaching areas, environmental inspection issued rectification.
Challenges
Young students are sensitive; equipment must be quiet and leak-free, construction limited to weekends.
Solution
Fully sealed ceiling-mounted quiet purification unit, internal shaft high-altitude exhaust to prevent odor backflow.
Results
Teaching areas free of oil smoke infiltration, zero oil leakage safety hazards, passed campus environmental inspection.
Skyworth New Valley – Commercial Complex Oil Smoke Treatment
深圳350000m³/h

Skyworth New Valley – Commercial Complex Oil Smoke Treatment

Background
Multiple restaurant types clustered in the park caused long-term oil smoke and odor complaints from nearby residents.
Challenges
Diverse merchant types required unified renovation while keeping all businesses operational during construction.
Solution
Centralized main duct exhaust with dual-unit purification systems for zoned management of tenants.
Results
Stable emission compliance, zero resident complaints, unified maintenance reduced operational costs for all tenants.
Yunk Kindergarten – Canteen Oil Smoke Renovation
深圳16000m³/h

Yunk Kindergarten – Canteen Oil Smoke Renovation

Background
On-campus kindergarten canteen where oil smoke odors would affect children's activity and nap areas.
Challenges
Children on campus all day; zero tolerance for equipment noise, oil leakage or any safety risks.
Solution
Small quiet integrated purification unit with fully sealed leak-proof ducts, weekend-only construction.
Results
No oil smoke odors on campus, quiet leak-free operation, compliant with school safety standards.
Guangming District No.2 Middle School – Canteen Oil Smoke Renovation
深圳18000m³/h

Guangming District No.2 Middle School – Canteen Oil Smoke Renovation

Background
Large middle school canteen with multiple large wok groups cooking simultaneously, high oil smoke emission concentration.
Challenges
Hot humid kitchen rapidly corrodes ordinary equipment, rooftop equipment space is limited.
Solution
304 stainless steel integrated purification unit, compact rooftop hoisting, insulated exhaust duct.
Results
Equipment corrosion-resistant without rust, oil smoke fully purified, campus free of odor dispersion.
12000+Completed Projects
30Provinces & Cities
99%First-time acceptance
School LogisticsChain RestaurantsIndustrial ParksCommercial Complexes

After-Sales Support for Projects

Standard commissioning, online tickets, national maintenance and component warranty after project delivery.

After-Sales Portal
Installation & Commissioning

On-site positioning, airflow calibration and parameter tuning, with acceptance records.

Online Tickets

Maintenance, fault reports and genuine parts ordering available online.

National Maintenance

Local authorized teams provide nearby cleaning, inspection and parts replacement.

Warranty Commitment

Clear warranty scope and service process for complete unit, electric field and power supply.

Industry Application FAQ

Common questions about airflow, installation, chain renovation and environmental acceptance.

How to determine the right equipment airflow for different kitchen types?

Combined calculation based on stove count, individual exhaust volume, duct length, bends and business intensity. On-site survey recommended.

Any solution for shops without public exhaust ducts?

Internal circulation integrated purifiers can process air indoors through pre-filtration, electrostatic purification and deodorization modules.

Can chain multi-store projects get unified standardized renovation?

Yes, tiered selection standards can be established based on store area and stove scale, with unified equipment and documentation.

What certification documents are needed for environmental acceptance?

Equipment test reports, product qualification documents, installation records and local regulatory requirements. Project team assists.

How often does large canteen equipment need maintenance?

Depends on oil smoke volume and operating hours. High-load canteens should schedule monthly or quarterly inspections.

How to book a local dealer survey for out-of-town projects?

Submit city and project info through the dealer inquiry portal. Staff will match and contact the local authorized service team.

Need to match specific conditions?

Submit city and kitchen info for a custom solution

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