Washable external pressure ultrafiltration filter element assembly and water purifier
An ultrafiltration filter element, external pressure technology, applied in ultrafiltration, chemical instruments and methods, osmotic/dialysis water/sewage treatment, etc., can solve the problem of unsatisfactory flushing effect, and achieve good sewage discharge effect and good flushing effect. , the effect of reducing the cost of use
Active Publication Date: 2016-06-08
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology
[0004] At present, the flushable filter element can effectively increase the total water purification volume, prolong the life of the filter element, avoid frequent replacement of the filter element, and reduce the cost of use for consumers. However, the current ultrafiltration membrane filter element does not have a very satisfactory flushing effect.
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Embodiment 2
[0039] like image 3 , 4 As shown in and 5, the flushable external pressure type ultrafiltration filter element assembly of the present embodiment is generally the same as that of the embodiment, except that a joystick 252 is arranged on the flat piece 250, and the first end of the joystick 252 is connected to the The flat plate 250 is connected, and the second end protrudes from the water purification chamber 240 . Further preferably, the total sewage discharge outlet is on the same straight line as the sewage discharge outlet, and the second end of the control rod 252 protrudes from the sewage discharge outlet to the water purification chamber 240 .
[0040] During water purification, the total blowdown outlet 132 is blocked by a plug and cannot discharge water, and the joystick 252 cannot be stretched out either. Tap water enters from the main raw water inlet 121 and the raw water inlet 211, penetrates into the membrane filament 230 tube from the outside, and is discharge...
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The invention discloses a washable external pressure ultrafiltration filter element assembly and a water purifier. The filter element assembly includes a filter shell and a filter element placed in the filter shell. The water outlet end of the shell is provided with the main outlet of water purification and the main outlet of sewage discharge. The filter element includes a water purification chamber formed in the filter housing and a hollow fiber ultrafiltration membrane silk placed in the water purification chamber. The wall of the water purification chamber is provided with a The raw water inlet connected to the raw water main inlet, the purified water outlet connected to the purified water main outlet, and the sewage outlet connected to the sewage main outlet, the nozzle at one end of the hollow fiber ultrafiltration membrane filament is closed, and the nozzle at the other end is connected to the purified water outlet; A flat piece that can move along the hollow fiber ultrafiltration membrane is arranged in the water purification chamber, and one or more perforations are arranged on the flat piece, and the hollow fiber ultrafiltration membrane passes through the perforation. The flushable external pressure ultrafiltration element assembly provided by the present invention has good flushing effect and can effectively increase the total water purification volume.
Description
technical field [0001] The invention relates to a water treatment device, in particular to a flushable external pressure ultrafiltration element assembly and a water purifier using the flushable external pressure ultrafiltration element assembly. Background technique [0002] At present, the ultrafiltration filter element is divided into two types: internal pressure type and external pressure type. The internal pressure ultrafiltration filter element has a flushable structure, can be washed repeatedly, and has a long service life; however, the internal pressure ultrafiltration filter element is prone to bursting, and the safety of drinking water cannot be fully guaranteed. The external pressure ultrafiltration filter element has no danger of membrane filament breakage, but it does not have a flushable structure, or it needs to be equipped with a recoil valve and electric control to flush, while the ultrafiltration membrane only needs sufficient water pressure to work. It se...
Claims
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IPC IPC(8): B01D63/02B01D61/18C02F1/44
Inventor 刘赢群杨勇李松向冰
Owner GREE ELECTRIC APPLIANCES INC