Product Description
I. Product Definition
Introducing the QDPP Integrated Sewage Treatment Equipment, a groundbreaking marvel of engineering excellence by Shandong Zhongqiao Enlightenment Environmental Protection Equipment Co, Ltd. This equipment, crafted with meticulous precision from advanced high-molecular materials, stands as a beacon of innovation and efficiency. Designed as a seamless, single-piece tank, our visionary R&D team has skillfully exceeded boundaries, seamlessly blending and optimizing acclaimed Western technologies. This forward-thinking series is carefully tailored to meet rural China's unique sewage conditions and stringent discharge standards. Offering versatile models like the Zhong Qiao Tank Horizontal Tank A/B, Vertical Tank A/B, and Hollow Tank, it sets a new benchmark in sewage treatment solutions.
II. Raw Materials
Empowered by the formidable strength of high-modulus polypropylene, the QDPP equipment is engineered for ultimate performance in subterranean drainage and wastewater treatment applications. This exceptional material, with an outstanding elastic modulus of ≥1500 MPa, significantly surpasses HDPE's 800 MPa, markedly enhancing the product's ring stiffness. It stands as a testament to the equipment's unrivaled structural integrity and durability, ensuring long-lasting reliability.
Our polypropylene is a non-toxic, odorless, and tasteless polymer, renowned for its lightweight nature and superior crystalline structure. With an impressively low density of only 0.90-0.91 g/cm³, it ranks as one of the lightest plastics available. Its extraordinary stability in water, with an absorption rate of a mere 0.01%, combined with a molecular weight ranging from 80,000 to 150,000, ensures superior molding capabilities and a lustrous, appealing finish, making it an ideal choice for high-performance applications.
Polypropylene's exceptional chemical stability makes it highly resilient against a wide array of chemical agents, although it can be susceptible to erosion by concentrated sulfuric and nitric acids. While it may soften in the presence of certain hydrocarbons, its heightened crystallinity guarantees enhanced chemical stability, positioning it as a premier choice for corrosion-resistant chemical equipment and components.
This non-toxic, odor-free polymer is distinguished for its low density and outstanding mechanical properties. It excels in strength, rigidity, hardness, and thermal resistance when 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, making it a versatile choice for a multitude of applications across various industries.
Its resilience against common acids, bases, and organic solvents makes polypropylene an exceptional material for food utensils and applications demanding robust chemical resistance, ensuring safety and reliability in diverse uses.
PPH, a high molecular weight homopolypropylene, features a low melt flow rate and refined crystalline structure through β-modification. With its superior chemical resistance, notable high-temperature endurance, impressive creep resistance, and exceptional low-temperature impact resistance, it becomes indispensable for demanding industrial applications, offering unparalleled performance and reliability.
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 |
Perfectly suited for deployment across a vast array of sectors, including wastewater management,
air quality control, the evolving 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.
IV. Structural Appearance
Main Equipment Color: Our equipment predominantly showcases a contemporary light gray finish, with customization options available to satisfy specific client preferences.
Equipment Structure: Choose between a robust solid wall structure or an innovative hollow structure, tailored to precisely meet your specific requirements.
V. Production Process
The QDPP equipment undergoes a sophisticated production process, featuring one-time forming combined with advanced multiple winding techniques. Wall thicknesses range from 10-80 mm, ensuring adaptability across diverse application needs. The process involves an initial winding of a base layer, ensuring complete crystallization, followed by 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 superior quality and performance.
VI. Welding Process
Embark on a journey to the pinnacle of welding mastery with our advanced imported automatic extrusion welding machines. These state-of-the-art machines forge incredibly strong welds exactly where the tank experiences the maximum stress, delivering exceptional efficiency. Our innovative process meticulously thermally fuses pristine new PPH pellets, perfectly matching the tank's material at the weld seams. This results in an extraordinarily solid and cohesive bond between the tank's bottom and body, dramatically enhancing durability and performance.
Key Features and Advantages:
1. Our trailblazing mechanization and automation processes ensure a consistently superior product quality that not only meets but exceeds industry standards, providing unparalleled reliability you can count on.
2. Each weld seam is crafted with pinpoint precision, engineered to align perfectly with the product's stress dynamics, optimizing their integrity and robustness for unmatched durability.
3. The exceptional integrity of our products guarantees that welds become an inseparable part of the tank, offering outstanding resistance to corrosion and a leak-proof performance that stands the test of time.
4. Delight in reduced flash and perfectly smooth seams that enhance functionality while providing a visually captivating aesthetic, elevating your product's allure.
5. Our PPH pellets are expertly enriched with UV absorbers, delivering formidable protection against aging and significantly extending the lifespan of your equipment.
Precision Internal Welding
Our internal welding is driven by the latest automatic long-arm extrusion welding technology, a pivotal facet of our production process. By utilizing pristine new PPH pellets identical to the tank material, we achieve seamless thermal fusion at the internal weld seams. This fortifies the bond between the tank bottom and body, echoing the principles of our external welding with the use of specialized equipment to deliver exceptional results.
Distinctive Features:
1. Our highly mechanized and automated process consistently guarantees unmatched product quality, setting an unprecedented standard of excellence in the industry.
2. Our weld seams are meticulously engineered to align perfectly with the unique stress characteristics of each product, maximizing their structural integrity and resilience.
3. With superior product integrity, our welds seamlessly integrate into the tank, ensuring outstanding corrosion resistance and dependable leak-proof performance.
4. Experience reduced flash and impeccably smooth seams that offer both functionality and an elegant aesthetic, enhancing the overall product design.
5. Enhanced with UV absorbers, our PPH pellets protect against aging and significantly prolong 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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