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Spiral-wound membrane assembly, composite filter element assembly and water purification system

A composite filter element and rolled membrane technology, applied in the field of water purification, can solve the problems of long flow distance of pure water and large resistance of pure water flow, and achieve the effects of increasing the amount of raw water inflow, increasing the production water flow channel and enhancing the efficiency.

Pending Publication Date: 2020-05-22
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the technical problem to be solved in the present invention is to overcome the relatively long flow distance of pure water in the reverse osmosis membrane in the composite filter element of the water purifier in the prior art, which causes the relatively large resistance of pure water to flow in the reverse osmosis membrane. defects, thereby providing a roll-type membrane assembly, a composite filter element assembly and a water purification system

Method used

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  • Spiral-wound membrane assembly, composite filter element assembly and water purification system
  • Spiral-wound membrane assembly, composite filter element assembly and water purification system
  • Spiral-wound membrane assembly, composite filter element assembly and water purification system

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Embodiment Construction

[0040] Such as Figure 1-3 As shown, the present invention provides a roll-type membrane module, which includes:

[0041] The central pipe 1, the central pipe 1 is made of a filter material that allows fluid to pass through, and also includes a rolled membrane 2 that is wound around the outer circumference of the central pipe 1, and the rolled membrane 2 can allow fluid to pass through And to filter the fluid, the coiled membrane 2 is provided with a raw water inlet 21, and the raw water inlet 21 is arranged on one end of the coiled membrane 2 along the axial direction of the central tube 1, and is close to The position of the central tube 1; one end along the axial direction of the central tube 1 on the roll film 2 and the position away from the central tube 1 in the circumferential direction is sealed (closer and farther away are relative relationships, Preferably adopt sealant 5 to seal).

[0042] In the present invention, the raw water inlet is set at the axial end of th...

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Abstract

The invention provides a spiral-wound membrane assembly, a composite filter element assembly and a water purification system. The spiral-wound membrane assembly comprises: a central pipe (1) made of afilter material capable of allowing fluid to pass through; a spiral-wound membrane (2) arranged around the periphery of the central pipe (1) in a winding manner; wherein the spiral-wound membrane (2)can allow a fluid to pass through and filter the fluid, a raw water inlet (21) is formed in the spiral-wound membrane (2), and the raw water inlet (21) is formed in one end of the spiral-wound membrane (2) in the axial direction of the central pipe (1) and is close to the central pipe (1) in the circumferential direction; and one end, along the axial direction of the central pipe (1), of the spiral-wound membrane (2) is sealed at a position far away from the central pipe (1) along the circumferential direction. According to the invention, the flow path of the pure water flow channel is effectively reduced, the pure water flow channel is shortened, the flow resistance of pure water is reduced, the water production efficiency of a reverse osmosis filter element is improved, and the flux isincreased.

Description

technical field [0001] The invention belongs to the technical field of water purification, and in particular relates to a coiled membrane module, a composite filter core module and a water purification system. Background technique [0002] The existing reverse osmosis filter element is usually made of a single membrane leaf or a simple double-layer membrane leaf rolled around the central tube, and the outlet flow channel is too long. The prepared pure water has a long flow distance in the reverse osmosis membrane, which results in a relatively large flow resistance of the pure water in the reverse osmosis membrane, making the water production efficiency of the reverse osmosis filter element low and the flux small. Moreover, the center tube of the existing reverse osmosis filter element is made of plastic or metal with a through-hole body, and the reverse osmosis membrane is directly rolled on the center tube, which makes the volume of the integrated rolled reverse osmosis mu...

Claims

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Application Information

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IPC IPC(8): B01D69/10B01D63/10C02F1/44
CPCB01D69/10B01D63/10C02F1/44B01D2313/08B01D2311/2649C02F2201/002
Inventor 李见袁斯琪张长春高威李友铃申鸿海孔艳钟小榛李叶松叶英东董情张梦轩王映涵
Owner GREE ELECTRIC APPLIANCES INC
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