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About Integrated sedimentation system

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About Integrated sedimentation system

Overview

The integrated sedimentation system includes eight main units of water distribution, reaction, sedimentation, filtration, water collection, mud collection, and automatic backwash. It is equipped with PPC inclined tube packing and refined filter materials of various specifications. The main shell of the equipment is made of carbon steel. , The interior and exterior are treated with special coatings for anti-corrosion, which has a long service life, a wide range of applications, and excellent performance. The device has advanced technology, novel design, compact structure, saving area and investment, simple management and convenient operation.

 

Working principle

Integrated sedimentation system consists of coagulation tank, sedimentation tank, filter tank, water quality stabilization dosing device, backwash device, water pump and electrical control cabinet.

1) Coagulation tank: WTH pipeline static mixer is used to automatically mix the coagulant through hydraulic power. The raw water to which the coagulant is added enters the coagulation tank from the inlet pipe, and is mixed with the coagulant by a special vortex reaction, so that the suspended solids in the water and the coagulant fully contact and react to form alum flowers. Generally, water purification devices use vortex reaction to mix water and coagulant, but the effect is unstable due to changes in water volume. It can also be stirred with a special mixer, so that the suspended solids in the water and the coagulant can fully contact and react to form alum flowers, and the effect will not be affected by the change of water volume.

2) Sedimentation tank: The water is coagulated with coagulant to form alum flower, which flows into the sedimentation tank of the equipment for sedimentation. The sedimentation tank adopts the inclined tube sedimentation method, and the surface load is 7-8m³/㎡.h. The solid-liquid separation is completed through sedimentation in the trapezoidal inclined plate sedimentation chamber, and the settled sludge is discharged into the mud hopper

3) Filter tank: The water after sedimentation flows to the filter tank for filtration. The bottom of the filter tank structure is a water distribution pipe, the middle part is quartz sand, and the upper part is white coal. The filtration speed is 7~10m/h, the flushing intensity is 14~16L/㎡.s, and finally the clean water flows into the clean water pool for disinfection and drinking. The filter backwash period is about 12 hours, and the backwash time is 5-10 minutes. The filter part is filtered with polystyrene filter beads.

 

Performance advantages

1) The Integrated sedimentation system itself has achieved the effect of fully automatic operation from a series of operating procedures such as reaction, flocculation and sedimentation, water collection, water distribution, filtration, internal backwash and sludge discharge. The on-duty personnel only need to monitor the water quality regularly. Operation and management of water purification equipment.

2) The high-concentration flocculation layer can make the impurity particles in the raw water get sufficient collision contact, and the probability of adsorption increases, so it can adapt to the water temperature and turbidity of various raw water, and the removal rate of impurity particles is high. Under the condition of the agent, the function of algae removal is good.

3) The rapid sludge concentration chamber and adjustable automatic sludge discharge system can ensure that excess sludge is removed in time, thereby ensuring a stable removal rate of impurity particles.

4) Efficient flocculation and sedimentation effects keep the water quality of the sedimentation water in a good state.

5) The novel and original water collection system and the most economical water collection head make the water collection more uniform and effective, not only improving the volume utilization factor, but also its water collection head is extremely small.

6) The water purification system is automated, which ensures the high-efficiency filtration of the water purification system (when the turbidity of the raw water is less than 3000mg/L, the turbidity of the filtered water can be maintained at about 5mg/L), and it can automatically recoil without additional equipment. Backwashing water pumps or air compressors and other electrical equipment, and save a lot of infrastructure investment and daily operation, maintenance, repair, maintenance costs, long service life.

7) The self-consumption rate of the system is low (about 3%), which plays a positive role in saving precious water resources.

8) The infrastructure construction period is short, which is a quarter of the construction period of conventional clarification and filtration facilities.

9) The height of the clean water outlet is≥2m. The clean water pool can be built semi-ground, and the clean water pump is self-priming to absorb water, and the operation is more reliable at the same time.

 

Operation and Precautions

1) The Integrated sedimentation system should be installed indoors in freezing areas, and it can be installed outdoors in non-freezing areas, but it must be covered with a roof to avoid polluting water quality.

2) When installing, place the integrated water purification device on a flat site to ensure that the normal water output is uniform. All kinds of pipeline connection gate valves should be free from air leakage and water seepage.

3) Before the equipment is in operation, impurities in the pool must be eliminated, and attention must be paid to prevent blockage of the water inlet and outlet pipes.

4) When the seriously polluted water source contains a lot of organic matter or algae, the method of adding chlorine can be used to reduce the chroma, destroy the colloid in the water and remove the odor, and prevent the breeding of algae and moss in the pool.

5) Before starting the equipment, half-open the water inlet valve, and then start the water pump, first adopt a small water volume and normally open flow rate, and increase the coagulant dosage. After 60 minutes, open the large water inlet valve again, increase the water volume to the design level, and reduce the amount of coagulant added.

6) When the equipment recoils for the first time, the recoil gate should be adjusted to a given strength (mainly not to flush out the filter material), and the recoil time should be controlled.

7) The sewage pipe valve should be opened regularly to discharge the sludge in the sedimentation tank.

8) According to the local conditions, the relevant units shall conduct comprehensive analysis and testing on the quality of raw water and effluent water on a regular basis.

9) The water plant shall measure the turbidity of raw water, clarifier effluent and filter effluent on a daily basis.

 

More inquiries related to Integrated sedimentation system please contact:

Mob& Wechat& WhatsApp: (+86)13544774483

Email: sales010@water-sy.com

 

We will provide high-quality, all-round comprehensive professional services for project consulting, system design, manufacturing, installation and commissioning, personnel training, etc

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