High-Efficiency Inclined Tube/Inclined Plate Sedimentation Environmental Protection Equipment for Wastewater Treatment

Equipment Description:

I. Treatment Principles
‌1. Gravity-Based Sedimentation
After pretreatment, wastewater enters the sedimentation tank, where it naturally settles under the influence of gravity, leveraging the density difference between suspended particles and water. For example, horizontal flow sedimentation tanks achieve efficient solid-liquid separation by slowing the water velocity (0.5-1.5 mm/s) to prolong particle retention time. Vertical flow sedimentation tanks utilize a central inlet pipe and umbrella-shaped baffles to evenly distribute water, combined with a vertical flow pattern (rising velocity 0.5-0.7 mm/s) to accelerate sedimentation.
‌2. Cyclone Centrifugal Enhanced Separation
Cyclone grit chambers use tangential inlet flow to create a rotating flow. Centrifugal force propels heavy particles, such as sand, toward the tank walls, where they settle, while organic matter is discharged with the flow. This process can achieve a sand removal rate exceeding 90%, making it suitable for treating wastewater with high sand content. ‌3. Inclined Tube/Inclined Plate Efficiency Enhancement Design‌
Cellular inclined tube or inclined plate sedimentation tanks significantly improve sedimentation efficiency by increasing the sedimentation area and shortening the sedimentation path (e.g., a 60° inclined tube angle and a length of 1-3 meters). For example, inclined tube sedimentation tanks can achieve a surface load 3-5 times that of conventional tanks, making them suitable for sites with limited land.

II. Technical Parameter Examples

Main structures and components:

I. Pretreatment Unit
‌1. Screening screens intercept large suspended solids (such as plastics and hair) in wastewater, typically with a clearance of 5-20 mm to prevent clogging of subsequent equipment.
‌2. Grit Chamber (Swirl Grit Chamber): Tangential water inflow creates a rotating flow, using centrifugal force to fling sand toward the tank walls and deposit it in a sand hopper. Equipped with a turbine drive to accelerate separation, the grit removal rate can reach over 90%.
‌Vertical Flow Grit Chamber: Designed with vertical water flow, sand settles naturally under gravity, making it suitable for pretreatment of small to medium-volume sand-laden wastewater.

II. Sedimentation Unit
‌1. Horizontal Flow Sedimentation Tank: This rectangular tank features a perforated wall at the front inlet for uniform water distribution, and an overflow weir at the rear to discharge clear water. Sludge at the bottom is collected by a scraper and transferred to a sludge hopper for a retention time of 1-3 hours, with a surface load of 1-3 m³/(m²·h). 2. Radial Flow Sedimentation Tank: This circular tank features wastewater flowing from a central inlet pipe and radially sludge is scraped by rotating scrapers to a central hopper. It is suitable for large-scale wastewater treatment.
3. Inclined Tube/Plate Sedimentation Tank: Honeycomb inclined tubes or plates shorten the settling path and can achieve a surface load 3-5 times that of conventional sedimentation tanks (e.g., 35 m³/(m²·h)), significantly improving suspended solids removal efficiency.

III. Sludge Treatment Unit
1. Sludge Hopper and Sludge Discharge System: The conical sludge hopper collects settled sludge and discharges it via an air lift or sludge pump. Some systems incorporate a sludge thickening module to reduce sludge volume.
2. Sludge Return/Discharge: Depending on process requirements, sludge can be returned to the biochemical treatment unit or transported for external disposal, ensuring continuous system operation.

IV. Ancillary Equipment
1. Intelligent Control System: Monitors parameters such as suspended solids concentration (SS) and turbidity, automatically adjusting sludge discharge frequency and equipment operating status, reducing manual intervention. 2. Flushing and maintenance facilities A spray device is installed on the inner wall of the tank to regularly remove sediment; ladders and sight glasses facilitate equipment maintenance and observation.

V.Examples of Key Components

Features:

1.High cost performance: Based on the customer's product positioning and development strategy, and with economic affordability as the foundation, we achieve the best cost performance.
2.The advanced and meticulous design concept of the equipment, along with the highly automated industrial equipment, showcases the image of a modern and advanced enterprise.
3. It has high adaptability, meeting the current production requirements and reserving room for development, taking into account the needs of increased production and improved quality in the future.
4.Quality compliance strictly adheres to the ISO900 quality management system, with every minute detail of the entire equipment installation being strictly controlled.

Domestic large-scale coating equipment, intelligent equipment, and environmental protection equipment production enterprises-Zhejiang Huier Coating Environmental Protection Equipment Co., Ltd has 37 years of experience industry team in the powder coating equipment,intelligent equipment and environmental protection equipment.It is the national high and new tech enterprise,Specialized, refined, and innovative small and medium-sized enterprises， scientific and technological SMES 27years specialized R&D, design, manufacture, installation, commissioning ,maintenance of varies coating equipment, automatic equipment, intelligent control system, waste water,waste gas environmental protection equipment and treatment engineering.The company is located in Wukang Street, Deqing County, covers an area of 30,000 square meters, workshop of more than 20,000 square meters, more than 200 employees. The company has passed ISO9001 international system certification, ISO14001 environmental management system certification and ISO45001:2018 Occupational health and safety management system certification, and obtained more than 40 national patents.

The company actively and constantly introduce excellent talents, focus on the development of coating equipment and environmental protection equipment of new technology, new process and new products every year.It is the mission of all staff to continuously develop and grow, meet the needs of customers and create value for customers.

The products are used in all kinds of metal surface, plastic, aerospace, auto parts, mechanical equipment, furniture and other surface treatment.It will meet the customer needs, because it adopts automatic production to anti-corrosion and powder coating the user's products,coating solid bright.

In aerospace, household appliances, light industry, furniture, machine tools, construction, motorcycles, automobiles, communications, aluminum, electric power, agricultural machinery and transportation and other industries by the user's praise. The company continue to innovate, research and development of new products, design and manufacture safety, energy saving, environmental protection, intelligent features of fire-proof safe, powder coating environmental protection equipment and intelligent equipment engineering projects.

The company not only meet the needs of domestic customers, but also in Southeast Asia, the Middle East, Europe, North America, South America and other 27 countries occupied the market has won the favor of customers! The company always dedicated to our customers with the overall intelligent coating environmental protection system solutions and system services.