Buried Type Wastewater Treatment Plant Quick Deployment,Low Maintenance ,Automatic Control
Place of Origin:Shandong,China
Brand Name:Zhongqiao Enlightenment
Certification:ISO SGS
Model Number:MBR-3
Minimum Order Quantity:1 Set
Price:3270USD -17800USD
Payment Terms:L/C,D/A,D/P,T/T,Western Union
Supply Ability:150 Set per month
Product Details
Highlight:
buried type wastewater treatment plant
,PP sewage treatment equipment low maintenance
,automatic control sewage treatment system
Powersupply:
220V/380V, 50Hz/60Hz
Capacity:
Varies (e.g., 1000 M3/day To 100,000 M3/day)
Chemicalusage:
Chlorine, Coagulants, Flocculants (optional)
Treatmenttype:
Biological, Chemical, Physical
Treatment Style:
Dissolved Air Flotation
Power:
Customized
Power Consumption:
6.86kW
Influenttype:
Domestic, Industrial, Agricultural
Power Consumption:
Typically 0.3-0.6 KWh/m3
Maintenancefrequency:
Monthly, Quarterly, Annually
Control:
Manuel
Footprint:
Depends On Capacity And Design (e.g., Square Meters)
Cable Specifications:
4mm²
Type:
Integrated Sewage Treatment Equipment
Lifespan:
20 To 30 Years
Product Description
With the accelerating urbanization process and the continuous improvement of environmental protection standards, the demand for efficient, energy-saving and environmentally friendly sewage treatment equipment is growing rapidly. Polypropylene (PP) integrated sewage treatment equipment, as a new type of modular environmental protection equipment, has been widely used in various fields such as rural scattered sewage treatment, urban domestic sewage treatment, and small-scale industrial wastewater treatment due to its excellent corrosion resistance, lightweight performance, and easy installation. This article will comprehensively introduce the manufacturing process, product characteristics, core parameters, application scenarios and competitive advantages of PP integrated sewage treatment equipment, providing a detailed reference for relevant practitioners and users.

1. Manufacturing Process of PP Integrated Sewage Treatment Equipment
The manufacturing of PP integrated sewage treatment equipment is a systematic project that integrates raw material selection, molding processing, component assembly, and quality inspection. Each link strictly abides by national environmental protection standards and industrial norms to ensure the stability and reliability of the final product. The specific manufacturing process is as follows:
1.1 Raw Material Selection and Pretreatment
The core raw material of PP integrated sewage treatment equipment is high-modulus polypropylene (PPH), which is selected for its excellent chemical stability, high mechanical strength, and good aging resistance. Compared with ordinary polypropylene, high-modulus PPH has an elastic modulus of ≥1500MPa, which is significantly higher than that of HDPE (800MPa), ensuring the equipment has excellent ring stiffness and pressure-bearing capacity. In addition, appropriate additives such as anti-UV agents and anti-aging agents are added to the raw materials to improve the equipment's adaptability to outdoor harsh environments and extend its service life.
Before processing, the raw materials need to go through strict pretreatment. First, the PP resin pellets are dried to remove moisture (the water absorption rate of PP is only 0.01%), which prevents the formation of bubbles in the molding process and ensures the compactness of the equipment structure. Then, the dried pellets are mixed with additives in a certain proportion and stirred evenly to ensure the uniformity of material performance, laying a solid foundation for the subsequent molding processing.
1.2 Molding Processing of the Main Tank
The main tank of PP integrated sewage treatment equipment adopts one-time winding molding technology, which is the core link of the entire manufacturing process. This technology uses advanced screw extrusion and winding forming equipment, which can realize the integrated molding of the tank without welding seams, effectively avoiding the problem of leakage caused by welding defects in traditional equipment. The specific operation process is as follows: the pretreated raw material is heated and melted by an extruder, and then extruded into a continuous PP sheet. The sheet is evenly wound on the mold according to the preset thickness and shape, and bonded into a whole through hot melting. The thickness of the tank wall can be adjusted between 10-80mm according to the actual treatment capacity and use environment, so as to meet the different pressure-bearing requirements of the equipment.
After the molding of the main tank, it is necessary to go through cooling and shaping treatment. The tank body is naturally cooled or forced cooled to ensure that it maintains a stable shape and structural strength. At the same time, the surface of the tank body is trimmed and polished to remove burrs and uneven parts, improving the appearance quality and corrosion resistance of the equipment.
1.3 Assembly of Internal Components
The internal components of PP integrated sewage treatment equipment include pretreatment units, biochemical reaction units, sedimentation units, disinfection units, and control systems, which need to be accurately assembled according to the design drawings. First, the grille, grit chamber and other pretreatment components are installed at the water inlet to intercept large suspended solids and grit in the sewage, preventing the blockage of subsequent components. Then, the biochemical reaction components such as MBBR fillers are installed in the biochemical tank. The self-produced high-efficiency MBBR fillers can enhance the denitrification and dephosphorization effect, improving the treatment efficiency of the equipment.
Next, the sedimentation tank and disinfection equipment are installed. The sedimentation tank is used to separate the sludge from the treated water, and the disinfection equipment (ultraviolet or sodium hypochlorite disinfection) is used to kill harmful bacteria and viruses in the water, ensuring that the effluent meets the discharge standards. Finally, the intelligent control system is installed and debugged, including sensors, controllers, and remote monitoring modules, to realize the automatic operation and real-time monitoring of the equipment.
1.4 Quality Inspection and Testing
Quality inspection is an important guarantee for the performance of PP integrated sewage treatment equipment. After the completion of manufacturing and assembly, the equipment needs to go through multiple rounds of strict inspections. First, the appearance inspection is carried out to check whether the tank body has cracks, bubbles, and uneven surfaces, and whether the installation of components is firm. Then, the pressure test is carried out. The tank body is filled with water and pressurized to 1.2 times the design pressure, and the pressure is maintained for a certain period of time to check whether there is leakage. At the same time, the performance test of the treatment process is carried out. The simulated sewage is introduced into the equipment to test the removal rate of COD, BOD₅, ammonia nitrogen, total phosphorus and other pollutants, ensuring that the effluent quality meets the national standards.
In addition, the equipment also needs to pass the certification of relevant national institutions, such as the CEP certification of the China Environmental Protection Industry Association and the three-system certification, to ensure that the product meets the relevant environmental protection and quality standards. Only after all inspections are qualified can the equipment leave the factory and be put into use.

2. Product Introduction of PP Integrated Sewage Treatment Equipment
2.1 Product Overview
PP integrated sewage treatment equipment is a modular skid-mounted equipment that integrates pretreatment, biochemical reaction, sedimentation, disinfection and other units into an integrally formed PP tank. It adopts a compact integrated design, which greatly reduces the floor space and is suitable for various installation environments such as underground, semi-underground, and above-ground. The equipment can flexibly adapt to the treatment of domestic sewage, industrial wastewater, and other types of sewage, with a treatment capacity ranging from 5m³/d to 1000m³/d, which can be customized according to the actual needs of users. The core technology of the equipment is mainly MBBR+AO (anaerobic-aerobic) process, which has the advantages of high treatment efficiency, good denitrification and dephosphorization effect, and low sludge output.
2.2 Core Technical Parameters
The technical parameters of PP integrated sewage treatment equipment directly determine its treatment effect and application scope. Taking the 250m³/d single set equipment in the Xinjiang project as an example, the specific core parameters are as follows:
-
Treatment Capacity: Single set 250m³/d (8 sets total 2000m³/d), customizable from 5m³/d to 1000m³/d
-
Material: High-modulus PPH integrally formed, tank wall thickness 10-80mm adjustable
-
Treatment Process: MBBR+AO + sedimentation + disinfection
-
Effluent Standard: Grade A of GB18918-2002 (COD≤50mg/L, BOD₅≤10mg/L, ammonia nitrogen≤5mg/L, TP≤0.5mg/L)
-
Service Life: 15-20 years (acid and alkali resistant, anti-aging, no frequent anti-corrosion treatment)
-
Installation Method: Modular skid-mounted, underground/semi-underground; parallel construction, short cycle
-
Control System: Intelligent water treatment system, supporting local + remote monitoring and fault early warning
-
Power Consumption: 0.3-0.8kWh per cubic meter of treated water
-
Weight: 2.5-66.2 tons (varies according to treatment capacity)
2.3 Product Characteristics and Advantages
Compared with traditional carbon steel, concrete and other sewage treatment equipment, PP integrated sewage treatment equipment has obvious advantages in performance, economy and environmental protection, which are mainly reflected in the following aspects:
2.3.1 Super Corrosion Resistance and Strong Environmental Adaptability
PP material has excellent chemical stability, and is resistant to corrosion by acids, alkalis, salts and other substances in sewage, which can avoid the corrosion and damage of the equipment caused by harsh sewage environment. Unlike carbon steel equipment that requires frequent anti-corrosion coating, PP equipment does not need additional anti-corrosion treatment, which greatly reduces the maintenance cost. At the same time, the equipment can maintain stable performance in harsh environments with large temperature differences (such as Xinjiang), no deformation or leakage, and has strong adaptability to different climates and geographical conditions.
2.3.2 Lightweight and Quick Installation
The density of PP material is only 0.91g/cm³, which is one of the lighter materials in plastics. Compared with concrete and carbon steel equipment, PP integrated sewage treatment equipment is lighter in weight, which greatly reduces the transportation and hoisting costs. The equipment adopts modular skid-mounted design, which is prefabricated in the factory. On-site installation only needs simple foundation pouring, equipment hoisting and pipeline connection, without complex civil engineering. The construction period is shortened by more than 50% compared with traditional sewage treatment stations, which can realize rapid commissioning and use.
2.3.3 Low Operation and Maintenance Cost and Intelligent Operation
The equipment adopts MBBR+AO process, which has low sludge output, long service life of MBBR fillers, and no need for frequent sludge treatment, reducing the operation cost. At the same time, the equipment is equipped with an intelligent control system, which can realize automatic operation, real-time monitoring of water quality indicators, remote parameter adjustment and fault early warning. The management personnel can grasp the operation status of the equipment through mobile phones or computers without on-site duty, which reduces the labor cost by 30% compared with traditional equipment. In addition, the equipment has low power consumption, and the power consumption per cubic meter of treated water is only 0.3-0.8kWh, which is far lower than that of traditional sewage treatment stations (1-1.5kWh per cubic meter of water).
2.3.4 Environmentally Friendly and Space-Saving
The equipment adopts a sealed design and is equipped with a deodorization device (such as activated carbon adsorption), which has no odor leakage and noise pollution during operation (the operation noise is ≤55dB), and will not affect the surrounding environment. The underground installation method can save more than 30% of the floor space, and the ground can be used for greening, parking and other purposes, which is especially suitable for areas with tight land resources such as urban communities and tourist attractions. In addition, the PP material is non-toxic, odorless, and does not release harmful substances, which is harmless to the environment and human body, and conforms to the concept of green environmental protection.
2.3.5 Strong Customization and Scalability
The equipment can be customized according to the actual treatment capacity, water quality characteristics and installation environment of users. The tank wall thickness, treatment process and component configuration can be flexibly adjusted to meet the personalized needs of different users. At the same time, the modular design of the equipment allows for flexible expansion. When the sewage treatment demand increases (such as population growth in rural settlements and enterprise expansion in industrial parks), the treatment scale can be increased by adding modules without rebuilding the entire system, which has strong scalability and long-term use value.
2.4 Application Scenarios
Due to its excellent performance and flexible design, PP integrated sewage treatment equipment has a wide range of applications, covering various fields of sewage treatment, mainly including:
-
Rural Dispersed Sewage Treatment: Suitable for rural areas with scattered populations, it can solve the problem of rural sewage discharge without centralized treatment facilities, improve the rural ecological environment, and help rural revitalization.
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Urban Domestic Sewage Treatment: Suitable for urban communities, old urban areas, and urban villages, it can realize the on-site treatment of domestic sewage, reduce the pressure on the urban sewage pipe network, and ensure the stable discharge of sewage.
-
Tourist Attractions and Scenic Spots: The equipment has small floor space and no environmental pollution, which is suitable for sewage treatment in scenic spots, resorts, and other places, protecting the ecological environment of scenic spots and improving the tourist experience.
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Small-Scale Industrial Wastewater Treatment: Suitable for small and medium-sized enterprises such as food processing, textile printing and dyeing, and breeding, it can treat industrial wastewater with low concentration, ensure that the wastewater meets the discharge standards, and reduce environmental pollution risks.
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Other Scenarios: It can also be used for sewage treatment in schools, hospitals, highway service areas, and other places, providing efficient and reliable sewage treatment solutions for various public places.

3. Conclusion
PP integrated sewage treatment equipment, with its advanced manufacturing process, excellent product performance, and wide application scenarios, has become an important part of the modern sewage treatment industry. Its high-modulus PPH one-time winding molding technology ensures the equipment's corrosion resistance and structural stability; the integrated modular design realizes the advantages of quick installation, space saving, and low maintenance; the intelligent control system improves the operation efficiency and reduces the labor cost. Compared with traditional sewage treatment equipment, PP integrated sewage treatment equipment has obvious comprehensive advantages in economy, environmental protection, and practicality, which can effectively solve the problem of sewage treatment in various scenarios and help the sustainable development of the environmental protection industry.
With the continuous advancement of environmental protection policies and the continuous innovation of technology, PP integrated sewage treatment equipment will be further optimized and upgraded in terms of treatment efficiency, energy saving and environmental protection, and intelligence, providing more efficient, economical and environmentally friendly solutions for global sewage treatment, and making greater contributions to the protection of the ecological environment.
| model | Water treatment capacity (m³/d) | outline dimension | weight of equipment |
running weight |
total installed power | service rating | running expense | running expense | Cable specifications | floor space |
| Length x Width x Height (mm) | (t) | (t) | (kW) | (kW) | (Yuan/ton of water) | (CNY/day) | (mm²) | (m²) | ||
| WSZ-0.25 | 5 | φ2×4.7m | 0.67 | 14.07 | 7.45 | 4.1 | 7.38 | 36.9 | 4 | 19 |
| WSZ-0.5 | 10 | φ2×4.8m | 0.68 | 14.38 | 7.45 | 4.1 | 3.69 | 36.9 | 4 | 20 |
| WSZ-1 | 20 | φ2×5.3m | 0.97 | 16.27 | 9.25 | 5 | 2.25 | 45 | 6 | 24 |
| WSZ-1.25 | 30 | φ2×6.2m | 1.05 | 19.15 | 9.25 | 5 | 1.5 | 45 | 6 | 27 |
| WSZ-1.67 | 40 | φ2.5×6m | 1.45 | 27.9 | 9.85 | 5.3 | 1.2 | 47.7 | 6 | 31 |
| WSZ-2 | 50 | φ2.5×6.6m | 1.6 | 31.5 | 9.85 | 5.3 | 0.95 | 47.7 | 6 | 40 |
| WSZ-2.5 | 60 | φ2.5×7.3m | 1.7 | 35 | 9.85 | 5.3 | 0.8 | 47.7 | 6 | 39 |
| WSZ-3 | 70 | φ2.5×8.1m | 1.9 | 39.1 | 9.85 | 5.3 | 0.68 | 47.7 | 6 | 43 |
| WSZ-3.5 | 80 | φ 2.5×8.8m | 2 | 42.7 | 11.45 | 6.1 | 0.69 | 54.9 | 6 | 48 |
| WSZ-4 | 100 | φ2.5×10.3m | 2.4 | 50.4 | 12.95 | 6.85 | 0.62 | 61.65 | 10 | 53 |
| WSZ-5 | 120 | φ3×9.2m | 2.8 | 63.6 | 15.65 | 8.2 | 0.615 | 73.8 | 10 | 58 |
| WSZ-6 | 150 | φ3×10.8m | 3.1 | 75.2 | 15.65 | 8.2 | 0.49 | 73.8 | 10 | 67 |
| WSZ-7 | 170 | φ3×11.9m | 3.5 | 83.4 | 18.65 | 9.7 | 0.51 | 87.3 | 10 | 71 |
| WSZ-8 | 200 | φ3×13.6m | 4 | 95.9 | 22.35 | 10.8 | 0.486 | 97.2 | 16 | 81 |
| WSZ-10 | 250 | φ3×16.4m | 5 | 116.7 | 25.9 | 13.5 | 0.486 | 121.5 | 16 | 102 |
| WSZ-12.5 | 300 | φ3×10.2m (in two groups) |
5.7 | 137.1 | 25.9 | 13.5 | 0.4 | 121.5 | 16 | 116 |
| WSZ-15 | 360 | φ3×12.2m (in two groups) |
6.9 | 166.6 | 35.5 | 18.5 | 0.46 | 166.5 | 25 | 133 |
| WSZ-17 | 400 | φ3×13.3m (in two groups) |
7.7 | 183 | 35.5 | 18.5 | 0.42 | 166.5 | 25 | 145 |
| WSZ-20 | 500 | φ3×16.1m (in two groups) |
9.7 | 224.5 | 35.5 | 18.5 | 0.33 | 166.5 | 25 | 173 |


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