Product Description
Discover the Future of Waste Management with the QDPP Integrated Sewage Treatment Equipment
I. Product Definition
Introducing the QDPP Integrated Sewage Treatment Equipment from the esteemed Shandong Zhongqiao Enlightenment Environmental Protection Equipment Co, Ltd.-a true beacon of groundbreaking innovation in sewage solutions. Crafted with cutting-edge high-molecular materials, this equipment ensures extraordinary durability with its flawless tank design. Our seasoned R&D team has expertly adapted Western technologies to meet the distinct sewage treatment needs of rural China. This trailblazing effort has birthed a diverse array of integrated solutions, including the Zhong Qiao Tank Horizontal Tank A/B, Vertical Tank A/B, and the pioneering Hollow Tank. Each of these offerings exemplifies unparalleled excellence and innovative prowess.
II. Superior Raw Materials
The choice of high-modulus polypropylene as the cornerstone of our underground drainage and wastewater systems highlights our unwavering commitment to superior standards. With an elastic modulus of ≥1500 MPa, significantly surpassing HDPE's 800 MPa, it delivers exceptional ring stiffness and structural resilience, crucial for top-tier performance in demanding applications.
Polypropylene, acclaimed for its non-toxic, odorless nature, boasts a highly crystalline structure and a remarkable ultra-light density of 0.90-0.91 g/cm³. Its outstanding water stability is evidenced by an absorption rate of a mere 0.01%. Furthermore, with molecular weights ranging from 80,000 to 150,000, polypropylene offers superb molding capabilities and an elegant, attractive finish, establishing it as the preferred material for a wide array of diverse applications.
Polypropylene's extraordinary chemical stability allows it to withstand numerous chemicals, though caution is advised with concentrated sulfuric and nitric acids. While it may react with certain hydrocarbons, its enhanced crystallinity fortifies its chemical resilience, making it the ideal choice for crafting durable, corrosion-resistant components across various applications.
Polypropylene, being non-toxic and odor-free, surpasses low-density polyethylene with superior strength, stiffness, and impressive heat resistance, performing optimally near 100°C. Its excellent dielectric properties and high-frequency insulation, unaffected by moisture, render it a versatile material for a multitude of industrial and commercial purposes.
Polypropylene's high resistance to common acids, bases, and organic solvents makes it perfectly suited for food-grade utensil applications, where safety and durability are prioritized.
PPH, a high molecular weight, low melt flow homopolypropylene, benefits from β-modification, culminating in a finely crystalline structure that enhances its chemical and temperature endurance, creep resistance, and impact resilience even at low temperatures, making it an ideal choice for high-demand environments.
III. Distinctive Characteristics
1. Safety First
The tank is manufactured using a spiral extrusion winding-one-time forming technology. The tank is formed directly from granular raw materials through molds, achieving a seamless, one-piece structure.
2. Durability |
The raw materials include UV-resistant and anti-aging additives, addressing the issue of short outdoor service life for plastic equipment and significantly extending its lifespan.
3. Economic Efficiency |
The tank can have a thickness of over 80 mm, with a tapered cross-section. The thickness can be increased in areas with greater stress at the lower part of the tank, optimizing the use of materials where needed.
4. Corrosion Resistance
It exhibits excellent resistance to various acids and bases and can store most organic and inorganic acids, bases, salts, and some organic solvents (see the corrosion data sheet for details).
5. Flexible and Convenient Installation Lightweight, easy to install and maintain, non-toxic, non-scaling, and non-contaminating. It is user-friendly, customizable according to customer needs, and allows for flexible overall installation. 6. Wide Application Range |
Our equipment is expertly tailored to cater to a wide spectrum of industries, ranging from wastewater management,
to air pollution control, the burgeoning lithium battery industry, chemical processing, metallurgy, electroplating,
textile manufacturing, dye industries, environmental conservation, oil refinement, electronics, pharmaceuticals, food processing, oil extraction, light industry, acid production, acid cleaning, and
battery material manufacturing. This accentuates the equipment's versatile capabilities and comprehensive utility.
IV. Aesthetic and Functional Design
Equipment Color Palette: Dominantly light gray, with customizable color options designed to cater to diverse aesthetic preferences and amplify visual allure.
Structural Variants: Available in both solid wall and hollow configurations to fulfill specific application requirements, ensuring adaptability and high performance.
V. State-of-the-Art Production Process
Introducing our QDPP Integrated Sewage Treatment Equipment, a marvel of engineering precision, meticulously crafted through an innovative one-time molding and multi-winding process. With wall thicknesses spanning from 10-80 mm, this avant-garde technique ensures unparalleled precision and reliability. The multi-winding process involves a carefully orchestrated sequence of base layering, cooling, and crystallization, followed by stress-relief and reheating. This process is meticulously customized to accommodate varying tank joint specifications and structural demands, guaranteeing unmatched dependability.
VI. Expert Welding Process
Unleash the ultimate in precision and durability with our revolutionary external welding process. Utilizing cutting-edge imported automatic extrusion welding machines, this trailblazing technology creates expansive and robust welds in the most stress-prone areas of the tank, achieving a seamless and singular operation. Premium PPH pellets, precisely matching the tank's material, are thermally fused at the seams to form an indestructible bond with both the tank's bottom and body, ensuring unmatched durability and resilience.
Unrivaled Characteristics:
1. Our ultra-modern mechanized process delivers unparalleled stability and consistency, driven by advanced automation for superior product quality.
2. The weld seams are crafted with precision, aligned with the product's stress dynamics to ensure optimal structural integrity and unwavering reliability.
3. Achieve exceptional structural integrity with our product's seamlessly integrated welds into the tank. This integration provides superior corrosion resistance and flawless leak-proof performance, setting the benchmark for durability.
4. Experience the benefits of reduced flash and enjoy perfectly smooth, aesthetically refined seams that enhance both functional and visual appeal.
5. Our PPH pellets, enriched with UV absorbers, are designed to effectively combat aging, significantly extending the product's service life and longevity.
Precision Internal Welding at Its Best
Our internal welding process showcases our manufacturing mastery, employing cutting-edge automatic long-arm extrusion welding technology. This phase mirrors our external welding principles, utilizing specialized equipment to incorporate fresh PPH pellets with the tank's interior weld seams, forming a steadfast and robust union with the tank's bottom and body, further enhancing the product's reliability and strength.
Flawless Characteristics:
1. Our advanced mechanization and automation guarantee consistent and superior quality across all products.
2. With thoughtfully engineered weld seams that complement the product's stress profile, we enhance structural integrity and ensure long-term reliability.
3. Our product demonstrates outstanding integrity, with welds seamlessly integrated into the tank, offering remarkable corrosion resistance and guaranteed leak-free performance.
4. Revel in the benefits of reduced flash and beautifully smooth seams that elevate both appearance and functionality.
5. PPH pellets, enhanced with UV absorbers, are specifically designed to resist aging, significantly prolonging the product's lifespan and robustness.
VII. Key Advantages of Our System
VIII. Distinctive Features
High Ring Stiffness: Meticulously crafted from premium high-modulus polypropylene, our design boasts an astounding elastic modulus of up to 1850 MPa. The perfect blend of winding structure and inner wall ensures extraordinary sealing and impeccable leak prevention. Our advanced Hot-Winding Forming Process guarantees the highest quality melt seams. By seamlessly integrating socket and spigot with welded joints through electric fusion welding, we create a sealed plastic pipe system that acts as a formidable barrier, safeguarding the soil from harmful contaminants. Our commitment goes beyond mere surface cleanliness, actively championing environmental protection deep beneath the ground.
Performance Parameters You Can Rely On
Polypropylene (PPH) Performance Table |
Item |
Typical Value |
Unit |
Test Method |
Density |
905 |
k/m3 |
ISO 1183 |
Melt Flow Rate (230°C/2.16 kg) |
0.3 |
g/10 min |
ISO1133 |
Melt Flow Rate (190ºC/5.0kg) |
0.6 |
g/10 min |
ISO 1133 |
Yield Stress (50 mm/min) |
36 |
MPa |
ISO 527-2 |
Yield Strain (50 mm/min) |
10 |
% |
ISO 527-2 |
Tensile Modulus (1 mm/min) |
1650 |
MPa |
ISO 527-2 |
Charpy Impact Strength, Notched (+23°C) |
7 |
KJ/m² |
ISO 179/1eA |
Notched Impact Strength (-20°C) |
2 |
KJ/m² |
ISO 179/1eA |
Vicat Softening Temperature B (50N) |
95 |
ºC |
ISO 306 |






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Please provide your project data so that we can design equipment that better meets your requirement.
Processing parameter requirement |
Parameters/Index
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Inflow water quality mg/L(ppm) |
Outflow water requirement mg/L(ppm) |
COD |
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BOD |
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TSS |
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Ammonia nitrogen |
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TN |
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TP |
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PH |
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E.coli |
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Others |
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Water flow |
m³/d |
On/Underground |
If underground,pls indicate the depth |
If integrated with control room |
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Appearance requirement |
Simple appearance, container appearance, Zhong qiao container appearance, please refer to our brochure for details |
Voltage, HZ, Electric phase |
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Distance between regulating pool and equipment |
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Flange interface specifications |
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Special requirements |
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