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Thread scrape filter cleaning method

A lint filter and filter technology, which is applied to textiles and papermaking, other washing machines, household appliances, etc., can solve the problems of drain valve/drain pump blockage, washing water pollution, and inconvenient operation, so as to improve service life and improve Cleanliness, good bactericidal effect

Inactive Publication Date: 2015-06-03
QINGDAO HAIER WASHING MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The filter for washing machine is used to filter the circulating water during the washing process to remove the lint and other dirt mixed in the water. If it is not cleaned in time for a long time, the filter will be filled with lint and other impurities, which will affect the filtration. The filter effect of the filter will cause the blockage of the drain valve / drain pump, and it is easy to breed bacteria, causing pollution of the washing water, causing secondary pollution to the clothes, affecting the health of the user and the normal use of the washing machine
[0003] At present, the cleaning of the filter is mostly done by hand, which is time-consuming, laborious, and inconvenient to operate; there is also a way of cleaning with water backwashing, but once the backwashing process is over and the water flow recedes, the lint and dirt will settle again. On the inner mesh wall of the filter, the cleaning effect is poor, and the dirt cannot be completely removed and discharged

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] figure 2 is a schematic diagram of the structure of the filter applying the above method. As shown in the figure, the filter 1 includes a filter housing 11 and a filter screen 12 installed in the housing 11 . The housing 11 is provided with a water inlet 13, a water outlet 14 and a sewage outlet 15, the water inlet 13 is arranged on the top of the housing 11, and the water outlet 14 is arranged on the wall of the cylinder around the housing 11. In the middle part, the sewage outlet 15 is arranged at the bottom of the housing 11, and the filter screen 12 divides the inner cavity of the filter housing 11 into two parts, the inner cavity and the outer cavity, and the upper end of the inner cavity is connected with the inlet The water outlet 13 is connected, the lower end is connected with the sewage outlet 15 , and the outer cavity is connected with the water outlet 14 . Sewage flows into the inner cavity from the water inlet 13 , enters the outer cavity after being fil...

Embodiment 2

[0039] The structure of the filter in this embodiment and the washing machine with the filter are the same as those in Embodiment 1. The difference is that, in the method of air-blowing and cleaning the filter of the washing machine in this embodiment, the continuous air-blowing operation is replaced by an intermittent air-blowing operation, and the intermittent air-blowing operation includes alternate turbulence sections and intermittent sections. In the turbulence section, The air pump blows air into the filter, thereby forming a continuous disturbance to the fluid in the area where the filter screen is located; in the intermittent section, the air pump stops blowing air to allow the impurities separated from the filter screen to settle. In this way, on the one hand, the service life of the motor can be effectively improved and energy can be saved; on the other hand, when the air blowing is stopped, the fallen impurities can smoothly fall into the bottom of the filter, facili...

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Abstract

The invention discloses a thread scrape filter cleaning method which is designed to solve the problems of incomplete cleaning and easy blocking and the like in the present thread scrape filter. The thread scrape filter cleaning method is as follows: air is blown to a filter shell, so that disturbance is formed to the fluid at a zone, where a filter gauze in a filter is arranged, further, impurities on the filter gauze separate from the filter gauze. According to the thread scrape filter cleaning method, the impurities on the filter gauge of the filter can be removed more completely and the cleanness of the filter is improved; and the method is applicable to various filters for filtering fluid.

Description

technical field [0001] The invention relates to the technical field of filters for washing machines, in particular to a cleaning method for a lint filter for washing machines. Background technique [0002] The filter for washing machine is used to filter the circulating water during the washing process to remove the lint and other dirt mixed in the water. If it is not cleaned in time for a long time, the filter will be filled with lint and other impurities, which will affect the filtration. The filtering effect of the filter will cause the blockage of the drain valve / drain pump, and it is easy to breed bacteria, causing pollution of the washing water, causing secondary pollution to the clothes, and affecting the health of the user and the normal use of the washing machine. [0003] At present, the cleaning of the filter is mostly done by hand, which is time-consuming, laborious, and inconvenient to operate; there is also a way of cleaning with water backwashing, but once the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F39/10
CPCD06F39/10
Inventor 许升彭秀文黄振兴
Owner QINGDAO HAIER WASHING MASCH CO LTD
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