Product Description
Introducing the QDPP Integrated Sewage Treatment Equipment
I. Product Definition
The QDPP Integrated Sewage Treatment Equipment from Shandong Zhongqiao Enlightenment Environmental Protection Equipment Co, Ltd. is a symbol of revolutionary innovation. Engineered with advanced high-molecular materials, this equipment guarantees exceptional durability with its seamless tank design. Our expert R&D team has successfully customized Western technologies to meet the specific sewage treatment demands of rural China. This endeavor has resulted in a versatile range of integrated solutions, including the Zhong Qiao Tank Horizontal Tank A/B, Vertical Tank A/B, and the innovative Hollow Tank, all showcasing superior excellence and innovation.
II. Superior Raw Materials
Choosing high-modulus polypropylene as the foundation of our underground drainage and wastewater solutions underscores our dedication to excellence. With an elastic modulus of ≥1500 MPa, far surpassing HDPE's 800 MPa, it ensures outstanding ring stiffness and robust structural integrity, vital for high-performance applications.
Polypropylene is renowned for being non-toxic and odorless, with a highly crystalline structure and ultra-light density of 0.90-0.91 g/cm³. Its exceptional water stability is proven by an absorption rate of merely 0.01%. Additionally, with molecular weights between 80,000 to 150,000, polypropylene offers excellent molding capabilities and a sleek, attractive finish, making it the material of choice for diverse applications.
Polypropylene's remarkable chemical stability allows it to resist numerous chemicals, although caution is needed with concentrated sulfuric and nitric acids. It may interact with certain hydrocarbons, but its increased crystallinity boosts its chemical resilience, making it the perfect material for crafting durable, corrosion-resistant components in various applications.
Polypropylene, being non-toxic and odor-free, outperforms low-density polyethylene with superior strength, stiffness, and heat resistance, ideal near 100°C. Its excellent dielectric properties and high-frequency insulation unaffected by moisture make it a versatile material for many industrial and commercial uses.
Highly resistant to common acids, bases, and organic solvents, polypropylene is ideal for food-grade utensil applications, where safety and durability are of utmost importance.
PPH, a high molecular weight, low melt flow homopolypropylene, benefits from β-modification, resulting in a finely crystalline structure that enhances its chemical and temperature endurance, creep resistance, and impact resilience at low temperatures, making it perfect 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 meticulously tailored to serve a wide range of industries, from wastewater management,
to air pollution control, the rapidly expanding 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 emphasizes the equipment's versatility and comprehensive applicability.
IV. Aesthetic and Functional Design
Equipment Color Scheme: Primarily light gray, with customizable color options available to meet diverse aesthetic preferences and enhance visual appeal.
Structure Variants: Available in both solid wall and hollow configurations to meet specific application requirements, ensuring adaptability and performance.
V. State-of-the-Art Production Process
Introducing our QDPP Integrated Sewage Treatment Equipment, a marvel of engineering precision crafted through an innovative one-time molding and multi-winding process. With wall thicknesses ranging from 10-80 mm, this state-of-the-art technique ensures unmatched precision and reliability. The multi-winding process involves a strategic sequence of base layering, cooling, and crystallization. Followed by stress-relief and reheating, the process is meticulously tailored to accommodate varying tank joint specifications and structural demands, guaranteeing unparalleled dependability.
VI. Expert Welding Process
Experience the pinnacle of precision and strength with our state-of-the-art external welding process. Utilizing avant-garde imported automatic extrusion welding machines, this groundbreaking technology crafts expansive and robust welds in the tank's most stress-prone areas with unmatched seamlessness in a singular operation. Pristine PPH pellets, perfectly matching the tank's material, are expertly thermally fused at the seams, forging a bond of indestructible cohesion with both the tank's bottom and body, ensuring unprecedented durability.
Distinguished Characteristics:
1. Our highly advanced, mechanized process ensures unmatched stability and consistency, driven by superior automation for exceptional product quality.
2. Weld seams are meticulously crafted to align with the product's stress dynamics, ensuring optimal structural integrity and unwavering reliability.
3. Our product boasts exceptional structural integrity with seamlessly integrated welds into the tank. This integration offers superior corrosion resistance and flawless leak-proof performance, setting a new durability standard.
4. Benefit from reduced flash and enjoy impeccably smooth, aesthetically refined seams that enhance both functional and visual appeal.
5. Our PPH pellets, infused with UV absorbers, are engineered to combat aging effectively, thereby significantly extending the product's service life and longevity.
Precision Internal Welding
Our internal welding process is a testament to our manufacturing prowess, employing cutting-edge automatic long-arm extrusion welding technology. This step mirrors our external welding principles, utilizing specialized equipment to integrate fresh PPH pellets with the tank's interior weld seams, establishing a steadfast and robust union with the tank's bottom and body, further amplifying the product's reliability and strength.
Impeccable Characteristics:
1. Our process is characterized by advanced mechanization and automation, ensuring consistent and superior quality across all products.
2. Weld seams are thoughtfully engineered to complement the product's stress profile, enhancing structural integrity and ensuring long-term reliability.
3. The product showcases outstanding integrity, with welds seamlessly integrated into the tank, offering remarkable resistance to corrosion and guaranteeing leak-free performance.
4. Enjoy the benefits of reduced flash and delightfully smooth, aesthetically pleasing seams that elevate both appearance and functionality.
5. The PPH pellets, enhanced with UV absorbers, are specifically designed to resist aging, significantly prolonging the product's lifespan and robustness.
VII. Key Advantages
VIII. Unique Features
High Ring Stiffness: Skillfully crafted from premium high-modulus polypropylene, this design boasts an impressive elastic modulus of up to 1850 MPa. The harmonious blend of winding structure and inner wall ensures exceptional sealing and impeccable leak prevention. Our sophisticated Hot-Winding Forming Process promises the highest quality of 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 an impenetrable barrier, protecting the soil from harmful contaminants. Our dedication extends beyond surface cleanliness, championing environmental protection deep beneath the ground.
Performance Parameters you can trust
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 requirements.
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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