Zhejiang Huier Coating Environmental Protection Equipment Co., Ltd
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Description of sewage treatment equipment and analysis of its core structure
Adopting modular classification description to adapt to industrial/municipal scene requirements:
1. Typical equipment classification and function
| Equipment type | Core functions | Applicable wastewater types |
| Grille decontamination machine | Interception of suspended solids (≥5mm) | Municipal sewage/industrial pretreatment |
| A/O bioreactor | Denitrification and phosphorus removal + organic matter degradation | High ammonia nitrogen organic wastewater |
| MBR membrane module system | Ultrafiltration separation (0.1μm pore size) | High-standard discharge/recycled water reuse |
2. Process advantages and specifications
Treatment efficiency: COD removal rate > 90%, SS ≤ 10mg/L
Structural design: Anti-corrosion grade: IP65 (outdoor type)
Maintenance channel: 800mm maintenance space is reserved on both sides of the equipment
Compliance: Complies with the "GB 18918-2002" urban sewage treatment plant discharge standard
Note: The selection needs to comprehensively consider water quality parameters (COD/BOD/SS), treatment scale (m³/d) and site conditions (it is recommended to reserve 20% expansion space for the equipment footprint)
I. Detailed explanation of core equipment structure and components
1. Screen decontamination machine
Structural composition: Frame: 304 stainless steel main frame (corrosion resistant)
Bars: zigzag arrangement, adjustable gap 5-50mm
Transmission system: planetary reducer + chain automatic slag removal
Key parameters: Processing flow: 10-500m³/h
Power: 0.75-3kW (frequency control)
2. A/O bioreactor
Layered structure: Anoxic zone: submersible agitator (to prevent sludge sedimentation)
Aerobic zone: microporous aeration disk (oxygen utilization rate ≥35%)
Sedimentation zone: inclined tube filler + scraper
Core components: Biological filler: PP material three-dimensional elastic filler
DO sensor: real-time monitoring of dissolved oxygen (0-20mg/L)
3. MBR membrane module system
Modular design: Membrane group: PVDF hollow fiber membrane (anti-pollution coating)
Water production system: self-priming pump + negative pressure control system
Backwash unit: sodium hypochlorite online cleaning device
Operation parameters: Flux: 15-30L/(m²·h)
Transmembrane pressure difference: ≤0.03MPa
II. Key components of auxiliary system
| System module | Core components | Technical features |
| Dosing device | Metering pump + PE storage tank | Accuracy ±1%, PLC linkage control |
| Sludge dewatering machine | Belt filter press/centrifugal | Water content ≤ 80% |
| Intelligent control cabinet | Touch screen + 4-20mA signal transmission | Support OPC UA protocol |
1.High cost performance: Based on the customer's product positioning and development strategy, and with economic affordability as the foundation, we achieve the best cost performance.
2.The advanced and meticulous design concept of the equipment, along with the highly automated industrial equipment, showcases the image of a modern and advanced enterprise.
3. It has high adaptability, meeting the current production requirements and reserving room for development, taking into account the needs of increased production and improved quality in the future.
4.Quality compliance strictly adheres to the ISO900 quality management system, with every minute detail of the entire equipment installation being strictly controlled.
