High-tech Gravity Automatic Valveless Filter

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High-tech Gravity Automatic Valveless Filter
  • FOB Price
    $30,000.00
  • Manufacturer KOSBEST
  • Payment Terms Bank Transfer, Western Union, Money Gram
  • Port FOSHAN,CHINA(Mainland)
  • Delivery Time 50 days after payment

Availability: In stock

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Product Description

High-tech Gravity Automatic Valveless Filter

Gravity Valveless Filter (or filter tank), is a comprehensive purification facility, which can run automatically under the water power and valve is non-essential for both water inlet and outlet, flushing, drainage in its filtering system, and provide a safe and cost-effective filtering solution in various industrial applications. In the operation, the water level of effluent remains constant, while the outlet water level rise with loss of water in filtering layer increasing in siphon. when the water level rises to the siphon top to form syphonage, the siphon, backwashing in filtering layer began automatically, to rinse and discharge waste water along siphon tube.

Due to the reasonable design of mechanical integration, the water tank, filter, backwash water tank and so on, are assembled compactly. Based on that, the Gravity Valveless Filter can be put into operation only by making the equipment base and connecting the inlet and outlet pipe according to the requirements, and user can easily manage this machine with low operation cost. At the same time, the whole Gravity Valveless Filter Series are equipped with the top cover, which is good for hygienic protection and easy for set-up in the open air. Besides, compared with the reinforced concrete filter, the filter has small self weight.

Gravity Automatic Valveless Filter

Working Principle of Gravity Valveless Filter

Gravity valveless filter adopts siphon principle to run automatically and finish stable filtration and reverse wash process.
Firstly, raw water is fed into the filter through the intake pipe and filtered from top to bottom through the filter layer. The filtered water is pumped in the storage tank from the connecting pipe. After the water tank is filled with clean water, the water flows into the clean pool through the outlet pipe.

The filter layer continuously intercept the suspended matter, resulting in the gradual raise of the resistance of the filter layer, thus increasing the water level in the siphon tube. When rising to siphon auxiliary tube, water would fall down from the pipe, and the exhaust pipe would pump out air in siphon descending tube. With a certain value of vacuum degree, siphon effect could occur.

After that, water in the pipe pass through the filter layer from bottom to top, to backwash the filter material.
When the water surface in flushing tank falls to the siphon destruction tube, the air enters the siphon and destroys the siphon effect. Then filter backwash end, and next cycle of filter work. Therefore, setting of backwash pump and a backwash water tower isn’t necessary in this gravity valveless filter.

Gravity Automatic Valveless Filter

Features of Gravity Valveless Filter 

  • It ingeniously adopts the siphon principle to automatically run and flush with valveless filter device. Compared with traditional filter, this Gravity Valveless Filter , have obvious advantages in no manual operation, Low energy consumption, low operating cost, safe and reliable, convenient management. 
  • Thanks to the reasonable design of mechanical integration, the water tank, filter, backwash water tank and so on, are assembled compactly.the Gravity Valveless Filter can be put into operation only by making the equipment base and connecting the inlet and outlet pipe according to the requirements, as the result, user can easily manage this machine. 
  • Made of carbon steel (or according to user requirements) with anticorrosion, the machine is in high processing precision and easy to install.
  • Water pressure, electric power or compressed air are not required to provide power, all process are controlled automatically by the filter.
  • There is a compulsory washing system in the valveless filter. If the loss of the water head of the filter has not yet reached the allowable value, and if it needs to be washed in advance for some reason, artificially washing can be made.
  • The machine can stand wear and tear without any cost in maintenance.

Gravity Automatic Valveless Filter


Usage of Gravity Valveless Filter 

The valveless filter is mainly applied for the purification of various surface water with turbidity less than 3000 ml. / L. to supply domestic water or industrial water after treatment. It can also purify the industrial wastewater such as cooling water, mine water and circulating water and improve the reuse rate of water.
1.The side filtration treatment of industrial circulating cooling water of petroleum, chemical, pharmaceutical, metallurgical, power plants, light industry, textile, dyeing.
2. Surface water purification, removal of iron and manganese in groundwater.
3. Filtering treatment in urban and township water works.
4. Pretreatment of softening and desalting treatment.
5. Purification treatment of swimming pool and fountain.
6.removed the suspended matter from wastewater, the organic sewage processed by biochemical treatment, the subsequent filtration after the secondary sedimentation tank and so on.

Gravity Automatic Valveless Filter

Scope of application

When the gravity valveless filter is used in the filter treatment of the waterworks, the inlet suspension is less than 15mg/l and the suspended substance of the effluent is less than 3mg/l;

When the gravity valveless filter is used for circulating cooling water filter, the inlet suspension is among 15-30mg/l and the outlet suspended substance is less than 5mg/l;

When the gravity valveless filter is used for disposing the added coagulant, the inlet suspension is among 50-100mg/l and the outlet suspended substance is less than 5mg/l.

Technology Parameters

Average filtration rate: 10 m / h
Average strength of backwash :15Litre/m2·second
Length of back flush :5 minutes
The final value of head loss:1.50m, 1.70m, 1.90m(optional)
Backwash expansion height:700×40% additional 100mm for security
Height of filter layer:700mm Thickness of bearing layer 270mm
Influent turbidity:Not more than 20 JTU(for surface water purification)
Effluent turbidity:Not more than 3 JTU(for surface water purification)

 

Suggestion from Kosbest

Gravity Valveless Filter Series is ideal equipment for water treatment in surface water purification, removal of iron and manganese in groundwater, circulating water side flow filtration, removal of suspended impurity from factory effluent, subsequent filtration of organic waste water after biochemical treatment and second-sedimentation tanks, and popular for filtration of indoor swimming pool water.The whole system could be controlled automatically by relay, water level detector, pressure transducer or manually by man power. Usually, the system is set to be controlled automatically to provide pure water continuously. It's easy, safe and reliable.

Product Video
Product Application
The valveless filter is mainly applied for the purification of various surface water with turbidity less than 3000 ml. / L. to supply domestic water or industrial water after treatment. It can also purify the industrial wastewater such as cooling water, mine water and circulating water and improve the reuse rate of water. 1.The side filtration treatment of industrial circulating cooling water of petroleum, chemical, pharmaceutical, metallurgical, power plants, light industry, textile, dyeing. 2. Surface water purification, removal of iron and manganese in groundwater. 3. Filtering treatment in urban and township water works. 4. Pretreatment of softening and desalting treatment. 5. Purification treatment of swimming pool and fountain. 6.removed the suspended matter from wastewater, the organic sewage processed by biochemical treatment, the subsequent filtration after the secondary sedimentation tank and so on.
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