Product Description
I. Product Definition
Introducing the QDPP Integrated Sewage Treatment Equipment, a marvel of engineering brilliance engineered to perfection by Shandong Zhongqiao Enlightenment Environmental Protection Equipment Co, Ltd. This masterpiece, crafted with precision, features cutting-edge high-molecular materials that embody the zenith of innovation and efficiency. With a seamless, single-piece tank, our visionary R&D team has reached new heights by ingeniously integrating and refining esteemed Western technologies. This series, designed with meticulous attention, is tailored to address the unique sewage conditions and discharge standards of rural China. Discover versatile models, including Zhong Qiao Tank Horizontal Tank A/B, Vertical Tank A/B, and Hollow Tank, each offering unparalleled adaptability and performance.
II. Raw Materials
Powered by the formidable strength of high-modulus polypropylene, the QDPP equipment is meticulously engineered for optimal performance in subterranean drainage and wastewater treatment applications. This extraordinary material, with an elastic modulus of ≥1500 MPa, far surpasses HDPE's 800 MPa, significantly elevating the product's ring stiffness. This stands as a testament to its outstanding structural integrity and unparalleled durability.
Our polypropylene, a non-toxic, odorless, and tasteless polymer, is celebrated for its lightweight nature and superior crystalline structure. With an exceptionally low density of merely 0.90-0.91 g/cm³, it stands as one of the lightest plastics available, offering extraordinary stability in water with an absorption rate of just 0.01%. Its molecular weight, ranging between 80,000 to 150,000, ensures superior molding capabilities and an alluring, lustrous finish, making it a top choice for innovative applications.
Polypropylene's exceptional chemical stability fortifies it against a vast range of chemical agents. While resilient to many, it is vulnerable to concentrated sulfuric and nitric acids and may soften in certain hydrocarbons. However, its high crystallinity enhances chemical stability, making it a premier choice for corrosion-resistant chemical equipment and components, standing strong in challenging environments.
This non-toxic, odor-free polymer is acclaimed for its low density and remarkable mechanical properties. It excels in strength, rigidity, hardness, and thermal resistance compared to low-density polyethylene, maintaining its functionality at temperatures around 100°C. Its impressive dielectric properties and high-frequency insulation remain unaffected by humidity, positioning it as a versatile choice across a wide spectrum of industrial applications.
Its resilience against common acids, bases, and organic solvents makes polypropylene an outstanding material of choice for food utensils and other applications demanding robust chemical resistance. It continues to set the standard for safety and dependability.
PPH, a high molecular weight homopolypropylene, is characterized by a low melt flow rate and a refined crystalline structure through β-modification. With exceptional chemical resistance, remarkable high-temperature endurance, impressive creep resistance, and unparalleled low-temperature impact resistance, it becomes indispensable for demanding industrial applications, offering unmatched reliability and performance.
II. Characteristics
1. Safety
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 impeccably designed for deployment across a diverse range of sectors, including wastewater management,
air quality control, the cutting-edge lithium battery technologies, the chemical industry, metallurgy, electroplating,
chemical fibers, dyeing, environmental conservation, petroleum processing, electronics, pharmaceuticals, food production, oil industries, light manufacturing, acid creation, acid cleaning, and
battery material development, offering versatile solutions for modern industrial needs.
IV. Structural Appearance
Main Equipment Color: Our equipment predominantly showcases a sleek modern light gray, with customization options available to perfectly align with specific client preferences, allowing for personalized expressions of style.
Equipment Structure: Choose between a sturdy solid wall structure or an innovative hollow structure to precisely meet your distinctive needs, offering flexibility and robustness tailored to your requirements.
V. Production Process
The QDPP equipment undergoes a sophisticated production process, characterized by one-time forming combined with advanced multiple winding techniques. Wall thickness varies from 10-80 mm, ensuring adaptability to diverse application requirements. The process involves winding a foundational base layer, ensuring full crystallization, then reheating the surface before applying additional layers. The number and thickness of these layers are meticulously crafted to meet specific joint and performance criteria, ensuring exceptional durability and functionality.
VI. Welding Process
Embark on a journey to the pinnacle of welding proficiency with our advanced imported automatic extrusion welding machines. These high-tech marvels deliver stalwart welds precisely where the tank endures its greatest pressure, ensuring phenomenal efficiency. Our pioneering process meticulously thermally bonds new PPH pellets, mirroring the tank's material, at the weld seams. This meticulous fusion results in an exceptionally robust and cohesive bond between the tank's bottom and body, considerably enhancing durability and performance.
Key Features and Advantages:
1. Our revolutionary mechanization and automation processes guarantee a consistently superior product quality that not only fulfills but exceeds industry standards, providing unmatched reliability you can trust.
2. Each weld seam is crafted with extraordinary precision, designed to correspond with the product's stress dynamics, optimizing their integrity and robustness for unparalleled durability.
3. The exceptional integrity of our products ensures that welds become an inseparable component of the tank, offering superior resistance to corrosion and a leak-proof performance that withstands the test of time.
4. Delight in reduced flash and impeccably smooth seams that enhance functionality while providing a visually captivating aesthetic, heightening your product's allure.
5. Our PPH pellets are meticulously infused with UV absorbers, delivering strong protection against aging and significantly prolonging the lifespan of your equipment.
Precision Internal Welding
Our internal welding is driven by the forefront of technology with automatic long-arm extrusion welding, a cornerstone of our production process. By utilizing new PPH pellets identical to the tank material, we ensure a seamless thermal fusion at the internal weld seams. This fortifies the union between the tank bottom and body, embodying the principles of our external welding with specialized equipment for exceptional outcomes.
Distinctive Features:
1. Our highly mechanized and automated process consistently delivers unparalleled product quality, setting a new benchmark of excellence in the industry.
2. Our weld seams are meticulously engineered to align with the distinctive stress characteristics of each product, maximizing their structural integrity and resilience.
3. With superior product integrity, our welds effortlessly integrate into the tank, ensuring outstanding corrosion resistance and reliable leak-proof performance.
4. Experience reduced flash and exquisitely smooth seams that offer both functionality and an elegant aesthetic, enhancing the overall product design.
5. Enhanced with UV absorbers, our PPH pellets prevent aging and significantly extend the service life of our equipment.
Performance Parameters
| 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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