一、Product Introduction
The Haipuou Environmental Protection Inclined Tube Settling Tank—also known as an inclined tube settler or purifier—is a technologically advanced, highly efficient, and energy-saving piece of solid-liquid separation equipment for wastewater treatment. Belonging to the XG series of inclined plate and tube settling/purification units, it is widely integrated into various wastewater treatment processes, serving as core equipment for both preliminary pretreatment and advanced purification in municipal and industrial wastewater projects. The unit features a robust steel structure treated with an anti-corrosive resin coating, ensuring durability and a long service life. Its core purification component utilizes high-quality hexagonal honeycomb inclined tube media made from materials such as ethylene-propylene copolymer, FRP, PP, or PVC. Standard specifications include a 60° inclination angle and a 1-meter tube length, with standard inscribed circle diameters ranging from 25mm to 80mm; however, the aperture, inclination angle, and processing specifications can be flexibly adjusted based on actual water quality conditions and wastewater test data to precisely meet specific treatment needs and achieve optimal settling and purification results.
This equipment supports both standardized selection and customized configurations, offering a range of models to accommodate various wastewater flow rates. Operation requires the dosing of coagulants and flocculants; by leveraging the principle of shallow-layer sedimentation within the honeycomb inclined tubes, the system significantly reduces the settling distance for impurities and enhances solid-liquid separation efficiency. This effectively resolves common drawbacks associated with traditional settling tanks, such as low settling efficiency, large footprint requirements, and poor resistance to load fluctuations. It can function as a standalone single-stage treatment unit or integrate seamlessly with mainstream purification processes—such as dissolved air flotation (DAF) and biochemical treatment—making it suitable for a wide variety of wastewater purification scenarios. Furthermore, the equipment is designed for standardized installation and simple operation and maintenance; through proper installation and regular flushing and upkeep, issues such as media clogging and excessive biofilm growth can be effectively prevented, ensuring stable and reliable long-term operation.
二、Product Advantages
1. Robust, Durable Structure with Minimal O&M Costs
The equipment features a streamlined, rational structural design free from complex or fragile components, resulting in an exceptionally low failure rate. Its main steel structure utilizes an anti-corrosion resin coating and incorporates corrosion-resistant materials—such as fiberglass and PP honeycomb inclined tube media—ensuring resistance to aging and corrosion. This durability eliminates the need for frequent maintenance or part replacements, significantly reducing long-term operational and replacement costs while supporting stable, continuous, and uninterrupted operation.
2. Simple Operation and Energy-Efficient, Stable Performance
The process flow is straightforward; once commissioned, the system operates autonomously and stably. It is easy to operate and does not require dedicated, highly specialized personnel for constant monitoring. With a streamlined power configuration and low energy consumption, the unit is more energy-efficient and environmentally friendly than traditional sedimentation tanks. Routine maintenance—limited to periodic media flushing and standard inspections—effectively prevents issues like clogging and sludge accumulation, ensuring consistent operational stability.
3. Compact Footprint, Cost-Effective Investment, and Rapid Deployment
Leveraging an optimized shallow-sedimentation design, the equipment achieves high sedimentation efficiency and hydraulic loading capacity, with effective loading rates designed to high standards (2–8 m³/m²). For the same wastewater treatment capacity, the required footprint is far smaller than that of traditional horizontal or vertical flow sedimentation tanks. The system requires no complex civil engineering, offers easy installation and rapid deployment, and entails low initial investment costs. With its outstanding cost-performance ratio, it is ideal for a wide range of new construction and retrofit wastewater treatment projects.
4. Flexible specifications and high adaptability
The product supports customization and upgrades; while the standard inclination angle for the inclined tubes is 60°, it can be adjusted to 50° or 55° based on specific operating conditions. The inscribed circle diameter is flexibly adjustable within the 25mm–80mm range, and various packing materials are available, allowing for precise adaptation to wastewater treatment scenarios with differing water quality, flow rates, and pollutant concentrations. Additionally, the equipment demonstrates excellent resistance to shock loads, effectively handling fluctuations in water quality and flow while maintaining stable effluent quality.
5. Superior purification performance and high pollutant removal rates
Utilizing honeycomb inclined tube-based stratified sedimentation, the system significantly enhances solid-liquid separation efficiency. It achieves remarkable removal rates for pollutants such as suspended solids, heavy metals, color, COD, and organic matter. The removal efficiency for key water quality parameters far exceeds that of traditional sedimentation equipment, ensuring compliance with discharge standards while reducing the operational burden on downstream advanced water treatment processes.
三、Scope of Application
Haipuou inclined-tube sedimentation tank is suitable for a wide range of industries and offers outstanding water purification performance. It can operate as a standalone unit to treat various types of wastewater or serve as auxiliary purification equipment for processes such as air flotation and biochemical treatment. It is widely used in major industrial wastewater treatment scenarios; its core applications and treatment results are as follows:
1. Electroplating Industry Wastewater Treatment:Efficiently treats mixed electroplating wastewater containing heavy metal ions such as chromium, copper, and iron. Removal rates for various heavy metal pollutants exceed 90%, effectively resolving issues with excessive heavy metal levels and ensuring compliance with discharge standards.
2. Coal Mining and Mineral Processing Wastewater Treatment:Delivers excellent purification results for high-turbidity wastewater from mines and mineral processing plants. It rapidly reduces raw water turbidity from 500–1500 mg/L to 5 mg/L, thoroughly resolving problems related to turbidity and excessive suspended solids.
3. Printing, Dyeing, and Bleaching Industry Wastewater Treatment:Specifically designed for textile printing, dyeing, and bleaching wastewater. It achieves color removal rates of 70%–90% and stable CODcr removal rates of 50%–70%, effectively addressing issues with high color intensity and excessive organic pollutants.
4. Leather and Food Industry Wastewater Treatment:Efficiently removes large amounts of organic matter from wastewater generated during leather processing and food production. CODcr removal rates reach 50%–80%, effectively purifying organic wastewater and reducing the pollution load.
5. Chemical Industry Wastewater Treatment:Targets various types of chemical production wastewater, achieving CODcr removal rates of 60%–70% and color removal rates of 60%–90%. It thoroughly removes suspended solids, ensuring the effluent meets national discharge standards.
6. General Auxiliary Purification Scenarios:Widely applicable to municipal domestic sewage and comprehensive industrial wastewater treatment projects. It serves as either upstream pretreatment or downstream advanced purification equipment, adapting to various standard and complex wastewater treatment conditions.
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