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Spray coating processing SPRAY PROCESSING
Eco-friendly soundproof spray booth
This soundproofing room engineering system primarily consists of two main parts: the soundproofing room structure itself and its interior finishing. The soundproofing walls around the perimeter are constructed using wall panel modules made from a combination of cold-rolled steel plates and galvanized steel plates, which allows for easy disassembly and installation. All six walls feature double-suspension construction, one set of hinged inspection doors, observation windows, as well as lighting and ventilation systems.
Product Description
Environmentally Friendly Soundproof
Spraying Booth
(1) Project Name
Design Basis for Spraying Booth Engineering Scheme
- Environmental Standard for Urban Regional Noise (GB 3096-96)
- Code for Design of Sound Insulation in Civil Buildings (GBJ 118-88)
- Indoor Air Quality Standard (GB/T 18883-2002)
- Code for Fire Protection Design of Buildings (GBJ 16-87, 2001 edition)
- Code for Construction and Acceptance of Electrical Lighting Devices in Electrical Installation Engineering (GB 50259-96)
- Existing building dimensions and design requirements provided by the Client
- Design and construction parameters of similar soundproof projects completed by our company
- Complies with national standard GBJ 87-1985
(2) Overall Design Objectives
Function:
This soundproof booth is designed for spraying equipment operation.
Composition & Scale:
The operating noise of the spraying equipment is about 110 dB, dominated by medium-high frequency noise.
According to environmental protection requirements, the noise shall be reduced to below 85 dB.
The system mainly includes:
- Main soundproof booth structure
- Interior finishing
Sound insulation walls adopt cold-rolled steel plate + galvanized steel plate modular panels for easy disassembly and installation.
All six surfaces adopt double-suspension structure, equipped with:
- 1 set of hinged access door
- Observation window
- Lighting & ventilation system
Booth dimensions (preliminary):
L4000 × W3000 × H2800 mm
Door: ≥ 1.6 m (W) × 2.1 m (H)
Observation window: ≥ 0.6 m (W) × 0.6 m (H)
Power & Lighting:
≥ 4 pieces of 40W energy-saving explosion-proof lamps inside the booth.
Ventilation:
Opposite air inlet and outlet.
Design Indicators
Steel structure performance
Design service life: 20–30 years
Actual service life: > 20 years
Overall scheme performance:
Noise level: approx. 80 dB(A), in compliance with GBJ 87-1985.
Acoustic Performance Design
Including:
- Sound insulation design
- Vibration isolation design
- Soundproof door & soundproof window design
- Interior sound absorption design
- Noise control for ventilation, lighting and ventilation systems
Sound Insulation Design
Three innovative technologies adopted:
- Ultra-high energy consumption soundproof wall
- Micro-vacuum laminated soundproof window (MVC)
- Dual-magnetic control “acoustic lock” soundproof door
Sound insulation wall:
Adopts our newly developed ultra-high energy consumption soundproof wall,
thin thickness, high sound reduction index, space-saving.
Total wall thickness: 150 mm.
Equipped with high-performance ladder-shaped sound absorption & energy consumption layer inside to maximize acoustic energy dissipation.
Soundproof window:
Adopts micro-vacuum laminated MVC sound insulation technology:
double vacuum layers with sound absorption layer in between.
Soundproof access door:
Adopts our professionally developed dual-magnetic control soundproof door.
After damping treatment with CC-110 shock absorber,
it effectively suppresses vibration and improves low-frequency sound insulation.
Magnetic sealing strips provide secondary sealing.
Sound Absorption Design
To achieve low indoor noise:
- Sound absorption treatment reduces indoor reverberation
- Reverberation time T60 < 0.2 s
Estimated noise reduction:
ΔLp = 10 log(A₂ / A₁)
- A₁: total sound absorption before treatment (Sabine)
- A₂: total sound absorption after treatment (Sabine)
Reverberation time formula:
T60 = 0.161V / A
- V: effective room volume (m³)
- A: total sound absorption (Sabine)
Interior adopts micro-perforated sound absorption structure:
- Micro-perforated galvanized steel panel
- Perforation rate: 30%
- Backed with thick porous ladder-shaped sound absorption material for broadband absorption.
Ventilation & Noise Reduction System
(1) Ventilation Rate Design
Ventilation rate: 40–90 m³/min (based on room area, referring to international standards such as LAC, USA).
Adopts new high-efficiency resistive sound-absorbing structure.
Noise reduction calculation:
ΔL = (Φ·α) · C · h / S
- α: sound absorption coefficient of sound-absorbing fins
- C: perimeter of sound-absorbing channel
- S: cross-sectional area
- h: effective sound absorption length
(2) Lighting Design
Multiple sets of 40W explosion-proof lamps,
in compliance with GB 2887-87 / GB 2887-89 or Client’s process requirements.
(3) Fire Safety Design
Main structures use fire-resistant, sound-insulating, sound-absorbing and damping materials.
Electrical installation complies with fire codes.
(4) Environmental Protection Design
- 100% environmentally friendly materials: non-toxic, odorless, non-radioactive
- Main materials: cold-rolled steel, sound-absorbing cotton, sound insulation board, damping material, perforated galvanized sheet
- Sound-absorbing cotton: Owens Corning non-toxic, non-irritating glass wool
- All steel plates for walls, doors and windows are rust-proof treated
Main Material List for Soundproof Spraying Booth
Item | Material Name | Brand & Specification | Origin | Performance Description |
1 | Two-component sound-absorbing cotton | Owens Corning, 32K–64K | Shanghai | Two-component, binder-free, pollution-free, non-irritating |
2 | Damping control board | Meiyue, d=3mm | Guangzhou | High low-frequency isolation |
4 | Surface coating | WG001286 | Guangzhou | Aesthetic, anti-damp, anti-rust, micro sound absorption |
5 | Soundproof glass | 800×600 mm | Guangzhou | Special glass, excellent broadband sound insulation |
6 | Micro-perforated metal ceiling panel | T0.8 | Nanhai | Aesthetic, broadband sound absorption |
7 | Sound insulation board | Tongyin, 2440×1220×16/19 | Guangzhou | High sound insulation, flat, stable |
9 | Magnetic sealing strip | XIOE PV-S70/M80 | Guangdong | Japan technology, magnetic door seal |
10 | Ventilation & silencing system | Impedance composite type | Hengyin | One set per booth |
11 | Explosion-proof lamp | 40W | Sanxing | Energy-saving, electronic ballast, no noise |
12 | Electric wire | 1.5–4 mm² | Guangzhou | 3-core cable required |
13 | Power inlet socket | With standard cable | Songben | Special power input |
14 | Power socket | 3-pin + 2-pin | Songben | Square, with switch |
15 | Ultra-quiet fan | Lvdaofeng | Taishan | Operating noise < 60 dB(A) |
16 | Fan switch | MG speed control | Songben | Adjustable speed |
17 | Lighting switch | 1-gang 1-control | Songben | Square type |
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Spraying equipment SPRAY EQUIPMENT
Eco-friendly soundproof spray booth
This soundproofing room engineering system primarily consists of two main parts: the soundproofing room structure itself and its interior finishing. The soundproofing walls around the perimeter are constructed using wall panel modules made from a combination of cold-rolled steel plates and galvanized steel plates, which allows for easy disassembly and installation. All six walls feature double-suspension construction, one set of hinged inspection doors, observation windows, as well as lighting and ventilation systems.
Product Description
Environmentally Friendly Soundproof
Spraying Booth
(1) Project Name
Design Basis for Spraying Booth Engineering Scheme
- Environmental Standard for Urban Regional Noise (GB 3096-96)
- Code for Design of Sound Insulation in Civil Buildings (GBJ 118-88)
- Indoor Air Quality Standard (GB/T 18883-2002)
- Code for Fire Protection Design of Buildings (GBJ 16-87, 2001 edition)
- Code for Construction and Acceptance of Electrical Lighting Devices in Electrical Installation Engineering (GB 50259-96)
- Existing building dimensions and design requirements provided by the Client
- Design and construction parameters of similar soundproof projects completed by our company
- Complies with national standard GBJ 87-1985
(2) Overall Design Objectives
Function:
This soundproof booth is designed for spraying equipment operation.
Composition & Scale:
The operating noise of the spraying equipment is about 110 dB, dominated by medium-high frequency noise.
According to environmental protection requirements, the noise shall be reduced to below 85 dB.
The system mainly includes:
- Main soundproof booth structure
- Interior finishing
Sound insulation walls adopt cold-rolled steel plate + galvanized steel plate modular panels for easy disassembly and installation.
All six surfaces adopt double-suspension structure, equipped with:
- 1 set of hinged access door
- Observation window
- Lighting & ventilation system
Booth dimensions (preliminary):
L4000 × W3000 × H2800 mm
Door: ≥ 1.6 m (W) × 2.1 m (H)
Observation window: ≥ 0.6 m (W) × 0.6 m (H)
Power & Lighting:
≥ 4 pieces of 40W energy-saving explosion-proof lamps inside the booth.
Ventilation:
Opposite air inlet and outlet.
Design Indicators
Steel structure performance
Design service life: 20–30 years
Actual service life: > 20 years
Overall scheme performance:
Noise level: approx. 80 dB(A), in compliance with GBJ 87-1985.
Acoustic Performance Design
Including:
- Sound insulation design
- Vibration isolation design
- Soundproof door & soundproof window design
- Interior sound absorption design
- Noise control for ventilation, lighting and ventilation systems
Sound Insulation Design
Three innovative technologies adopted:
- Ultra-high energy consumption soundproof wall
- Micro-vacuum laminated soundproof window (MVC)
- Dual-magnetic control “acoustic lock” soundproof door
Sound insulation wall:
Adopts our newly developed ultra-high energy consumption soundproof wall,
thin thickness, high sound reduction index, space-saving.
Total wall thickness: 150 mm.
Equipped with high-performance ladder-shaped sound absorption & energy consumption layer inside to maximize acoustic energy dissipation.
Soundproof window:
Adopts micro-vacuum laminated MVC sound insulation technology:
double vacuum layers with sound absorption layer in between.
Soundproof access door:
Adopts our professionally developed dual-magnetic control soundproof door.
After damping treatment with CC-110 shock absorber,
it effectively suppresses vibration and improves low-frequency sound insulation.
Magnetic sealing strips provide secondary sealing.
Sound Absorption Design
To achieve low indoor noise:
- Sound absorption treatment reduces indoor reverberation
- Reverberation time T60 < 0.2 s
Estimated noise reduction:
ΔLp = 10 log(A₂ / A₁)
- A₁: total sound absorption before treatment (Sabine)
- A₂: total sound absorption after treatment (Sabine)
Reverberation time formula:
T60 = 0.161V / A
- V: effective room volume (m³)
- A: total sound absorption (Sabine)
Interior adopts micro-perforated sound absorption structure:
- Micro-perforated galvanized steel panel
- Perforation rate: 30%
- Backed with thick porous ladder-shaped sound absorption material for broadband absorption.
Ventilation & Noise Reduction System
(1) Ventilation Rate Design
Ventilation rate: 40–90 m³/min (based on room area, referring to international standards such as LAC, USA).
Adopts new high-efficiency resistive sound-absorbing structure.
Noise reduction calculation:
ΔL = (Φ·α) · C · h / S
- α: sound absorption coefficient of sound-absorbing fins
- C: perimeter of sound-absorbing channel
- S: cross-sectional area
- h: effective sound absorption length
(2) Lighting Design
Multiple sets of 40W explosion-proof lamps,
in compliance with GB 2887-87 / GB 2887-89 or Client’s process requirements.
(3) Fire Safety Design
Main structures use fire-resistant, sound-insulating, sound-absorbing and damping materials.
Electrical installation complies with fire codes.
(4) Environmental Protection Design
- 100% environmentally friendly materials: non-toxic, odorless, non-radioactive
- Main materials: cold-rolled steel, sound-absorbing cotton, sound insulation board, damping material, perforated galvanized sheet
- Sound-absorbing cotton: Owens Corning non-toxic, non-irritating glass wool
- All steel plates for walls, doors and windows are rust-proof treated
Main Material List for Soundproof Spraying Booth
Item | Material Name | Brand & Specification | Origin | Performance Description |
1 | Two-component sound-absorbing cotton | Owens Corning, 32K–64K | Shanghai | Two-component, binder-free, pollution-free, non-irritating |
2 | Damping control board | Meiyue, d=3mm | Guangzhou | High low-frequency isolation |
4 | Surface coating | WG001286 | Guangzhou | Aesthetic, anti-damp, anti-rust, micro sound absorption |
5 | Soundproof glass | 800×600 mm | Guangzhou | Special glass, excellent broadband sound insulation |
6 | Micro-perforated metal ceiling panel | T0.8 | Nanhai | Aesthetic, broadband sound absorption |
7 | Sound insulation board | Tongyin, 2440×1220×16/19 | Guangzhou | High sound insulation, flat, stable |
9 | Magnetic sealing strip | XIOE PV-S70/M80 | Guangdong | Japan technology, magnetic door seal |
10 | Ventilation & silencing system | Impedance composite type | Hengyin | One set per booth |
11 | Explosion-proof lamp | 40W | Sanxing | Energy-saving, electronic ballast, no noise |
12 | Electric wire | 1.5–4 mm² | Guangzhou | 3-core cable required |
13 | Power inlet socket | With standard cable | Songben | Special power input |
14 | Power socket | 3-pin + 2-pin | Songben | Square, with switch |
15 | Ultra-quiet fan | Lvdaofeng | Taishan | Operating noise < 60 dB(A) |
16 | Fan switch | MG speed control | Songben | Adjustable speed |
17 | Lighting switch | 1-gang 1-control | Songben | Square type |
Prev: Dust extraction system
Next: Smart Spraying Ark
Online Quotation
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