CN105194917A - Self-cleaning filter and self-cleaning method - Google Patents
Self-cleaning filter and self-cleaning method Download PDFInfo
- Publication number
- CN105194917A CN105194917A CN201410255365.9A CN201410255365A CN105194917A CN 105194917 A CN105194917 A CN 105194917A CN 201410255365 A CN201410255365 A CN 201410255365A CN 105194917 A CN105194917 A CN 105194917A
- Authority
- CN
- China
- Prior art keywords
- filter screen
- filter
- housing
- self
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a self-cleaning filter and a self-cleaning method. The filter comprises a shell (1), and a filter screen (5) is arranged in the shell (1); a first end (51) of the filter screen (5) is fixedly connected with the shell (1), and a second end (52) of the filter screen (5) is connected with a rotating shaft (3); the rotating shaft (3) is driven by a motor (2) to work to drive the second end (52) of the filter screen (5) to rotate relative to the first end (51), so that the filter screen is twisted into a twist shape, and waste attached to the filter screen is scrubbed off. Accordingly, the purpose of repeated, convenient and automatic cleaning is achieved, and the service life of the filter is prolonged. The invention further provides a washing machine which is provided with the self-cleaning filter and applies the self-cleaning method.
Description
Technical field
The present invention relates to a kind of filter, particularly relating to is a kind of self-cleaning filter and self cleaning method; Also relate to a kind of washing machine that above-mentioned self-cleaning filter is housed, that apply above-mentioned self-cleaning filter method.
Background technology
Water treatment procedure is exactly the process of waste water treatment and reclamation, so the quality in order to ensure backwater, has the filter of a reliable results to be necessary.And some filters that existing home appliance uses, generally adopt filter net type, by by wastewater streams through filter screen, make foreign material be attached on filter screen, to realize the separation to foreign material in waste water, reach the object of waste water filtering.
As a kind of household filter of Chinese patent that application number is 99240468, comprise a filter upper body, a filter core, a filtration barrel body, there are a water inlet, a delivery port in described filter upper body, lead to the middle delivery port of filter core with one; Described filter core is made up of hollow backbone and filter screen, is screwed onto on middle delivery port; Described filtration barrel body is positioned at the outer ring of filter core, is screwed onto on filter upper body.Solid particle polluter in the utility model energy elimination water, can prevent wearing and tearing and the scuffing of the housed devices such as washing machine, dish-washing machine, water heater, and the wearing and tearing of anti-water check valve and stuck, the service life of extension device.
But adopt the filter of this kind of structure, in use cannot automatically clean, this just causes adding up along with filter service time, and the foreign material being easy to cause filter screen adheres to after employing a period of time produce accumulation, cause filter failure.
In view of this special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides a kind of self-cleaning filter, to realize the object that filter cleans automatically.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technical scheme to be: a kind of self-cleaning filter, and it comprises: housing 1, is provided with filter screen 5 in housing 1; The first end 51 of filter screen 5 is fixedly connected with housing 1, and the second end 52 is connected with rotating shaft 3; Described rotating shaft 3 works under motor 2 drives, and with the second end 52 with electric filter 5, relatively first end 51 limit rotates, limit is close or away from moving.
Further, the output of described motor 2 is provided with worm gear 4; The sidewall of described rotating shaft 3 is provided with the screw thread coordinated with worm gear 4, makes rotating shaft 3 form worm screw; The worm screw that order is made up of rotating shaft 3 is matched to drive with the worm gear 4 of motor 1 output and is connected.
Further, described housing 1 is made up of the barrel-like structure vertically arranged, and filter screen 5 is located at its inside;
Preferably, described filter screen 5 is column, vertically arranges; The upper end of filter screen 5 forms first end 51, and described first end 51 is fixedly connected with the roof of housing 1; Filter screen 5 lower end forms the second end 52, and described second end 52 is fixed on fixed head 6.
Further, the described fixed head 6 independent setting of housing 1 relatively; Fixed head 6 is fixedly connected with rotating shaft 3, makes the unsettled bottom being placed in housing 1 of fixed head 6.
Further, described fixed head 6 is in the form of annular discs; Second end 52 of filter screen 5 is fixed on the periphery of fixed head 6; The center of fixed head 6 is connected with rotating shaft 3;
Preferably, the bottom that rotating shaft 3 passes vertically through housing 1 is arranged, rotating shaft 3 penetrate that end is connected with fixed head center, the traversing through end of rotating shaft 3 matches to drive with the worm gear 4 of motor 2 output is connected;
Preferred further, described rotating shaft 3 is extended along the vertical axis of housing 1.
Further, described filter screen 5 is made up of flexible material, the second end 52 of filter screen 5 in tensioning state, level be fixed on fixed head 6 periphery, inside the roof being fixed on housing 1 of first end 51 in tensioning state;
Preferably, the first end 51 of filter screen 5 and the second end 52 are coaxially arranged with footpath.
Further, enclose pillared filter screen 5 and housing 1 inner space is divided into two parts, the Part I of filter screen 5 inside and the Part II between filter screen and housing; Water inlet 11/ delivery port 12 communicated with housing 1 Part I is provided with on the upside of described housing 1; Housing 1 is also provided with delivery port 12/ water inlet 11 communicated with Part II; Preferably, described housing is provided with sewage draining exit 13, and described sewage draining exit and water inlet 11 are communicated with same housing 1 Part I or Part II respectively.
Another object of the present invention is to provide a kind of self cleaning method adopting as above arbitrary described self-cleaning filter, it is characterized in that: after filter work certain hour, motor rotates through rotating shaft band electric filter second end opposed screen first end, makes filter screen be twisted into twisted shape, be washed by rubbing with the hands by the dirt be attached on filter screen.
Preferred further, after filter work certain hour, motor rotates through rotating shaft band electric filter second end limit, limit is mobile to advancing near the direction of filter screen first end, makes filter screen be twisted into twisted shape, be washed by rubbing with the hands by the dirt be attached on filter screen.
Further, the concrete steps of filter work are as follows,
The normal working procedure of filter,
The filter screen of tensioning is located in housing, and filter obtains filtered water according to the water inlet dirt entered in sewage, strainer filtering sewage, filtered water carries out normal filtration from the step of delivery port water outlet;
Filter enters self-cleaning program,
1) filter screen second end edge clockwise/counterclockwise to rotate, limit is mobile to advancing near the direction of filter screen first end, makes filter screen be twisted into twisted shape;
2) filter screen second end edge counterclockwise/to rotate clockwise, limit pulls mobile to the direction away from filter screen first end, makes filter screen reply normal tensioning shape.
Preferably, when filter performs self-cleaning program, with certain frequency repeated execution of steps 1) and 2) certain times N, so that the dirt be attached on filter screen is thoroughly washed by rubbing with the hands.
Further preferred, after the step of above-mentioned self-cleaning filter completes, the sewage draining exit of filter is opened, order wash by rubbing with the hands the dirt that gets off with current from sewage draining exit punching to outside filter.
Another object of the present invention is to provide a kind of washing machine, adopt as self-cleaning filter as described in arbitrary in claim and as above arbitrary as described in self-cleaning filter method.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect:
1, the self-cleaning filter protected of the present invention, the method simple possible clean to filter interior, only need add the worm gear structure that band electric filter one end rotates, advances movement, just reach preferably self-cleaning filter object.
2, in self-cleaning filter process, filter screen limit rotates, limit two plays movement close to each other, makes filter screen be twisted into twisted shape; Thus, both ensure that the twisting to filter screen, washed dynamics by rubbing with the hands, turn avoid the generation of filter screen being pullled, causes Splitting.
3, during self-cleaning filter, repeat distortion and be twisted shape, reply in the certain number of times of normal tensioning shape, to improve filter screen automatically cleaning efficiency, reach preferably cleaning effect.
4, simple, the Be very effective of structure of the present invention, suitablely promotes the use of.
Accompanying drawing explanation
The structural representation of Fig. 1 embodiment of the present invention middle filtrator;
A-A section structure schematic diagram under Fig. 2 Fig. 1 middle filtrator of the present invention normal condition;
A-A section structure schematic diagram under Fig. 3 Fig. 1 middle filtrator of the present invention automatically cleaning state;
Main element illustrates: 1-housing, 2-motor, 3-swingle, 4-worm gear, 5-filter screen, 6-fixed head, 11-water inlet, 12-delivery port, 13-sewage draining exit, 51-first end, the 52-the second end.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1 to Figure 3, a kind of self-cleaning filter, comprises cylindrical shell 1, to form a spatial accommodation; Described housing 1 is provided with water inlet 11 and delivery port 12; Described housing 1 inside is provided with and housing 1 inner space is divided into independent two-part filter screen 5, two parts of dividing be not: Part I and Part II.Described Part I is connected with water inlet 11/ delivery port 12, and Part II is connected with delivery port 12/ water inlet 11.Described filter screen 5 is provided with filter bores, and to be filtered by the impurity in water, the clean water after order filtration flows out through delivery port 12.Described housing 1 is also provided with sewage draining exit 13 to be opened/closed, with under filter screen 4 is filtered, the dirt retained in the housing discharges from sewage draining exit 13 with current.
In the present invention, the first end 51 of described filter screen 5 is fixed with housing 1, and the second end 52 is connected with rotating shaft 3; Described rotating shaft 3 is under motor 2 drives, and the second end 52 limit of band electric filter 5 rotates, limit is mobile to advancing near first end 51 direction.
After filter work certain hour, motor 2 rotates around rotating shaft axis through second end 52 limit of rotating shaft 3 with electric filter 5, limit is mobile to advancing near first end 51 direction of filter screen 5, makes filter screen 5 be twisted into twisted shape, be washed by rubbing with the hands by the dirt be attached on filter screen 5.
Embodiment one
In the present embodiment, the output of described motor 2 is provided with worm gear 4; The sidewall of described rotating shaft 3 is provided with the screw thread coordinated with worm gear 4, makes rotating shaft 3 form worm screw. and the worm screw be made up of rotating shaft 3 is matched to drive with the worm gear 4 of motor 1 output and is connected.Described rotating shaft 3 is through the housing 1 of filter, and the vertical axis direction along housing 1 is arranged.The end that penetrates of rotating shaft 3 is connected with the fixed head 6 being fixed with filter screen second end 52, and the traversing through end of rotating shaft 3 matches to drive with the worm gear 4 of motor 2 input and is connected.
Thus, worm gear 4 can be made to rotate under the effect of motor, and drive worm screw that be connected with worm gear 4, that be made up of rotating shaft 3 to produce displacement along the axis of housing 1.Thus, only need motor 2 spinning movement, the second end 52 just through above-mentioned worm gear structure band electric filter 5 rotates relative to first end 51 limit, limit is near the object of movement.
Embodiment two
In the present embodiment, described housing 1 by vertically arrange, the barreled Structure composing of sealing, filter screen 5 is located at that it is inner.Described filter screen 5 is column, vertically arranges.The upper end of filter screen 5 is first end 51, is fixedly connected on the upside of described first end 51 and housing; The lower end of filter screen 5 is the second end 52, and described second end 52 is fixed on fixed head 6, and described fixed head 6 is connected with motor 2 through rotating shaft 3.
Enclose pillared filter screen 5 and housing 1 inner space is divided into separate two parts, Part I is that filter screen 5 inside surrounds region, Part II is region between filter screen 5 and housing 1.Described housing 1 roof is provided with water inlet 11/ delivery port 12 communicated with housing 1 Part I; Preferably, delivery port 12 communicates with the Part I of housing 1.Housing 1 is also provided with delivery port 12/ water inlet 11 be connected with housing 1 Part II; Preferably, water inlet 11 communicates with the Part II of housing 1.Described housing 1 is also provided with sewage draining exit 13.Described sewage draining exit 13 is directly connected through Part I or Part II with water inlet 11; Preferably, sewage draining exit 13 is connected with the Part II of housing 1 respectively with water inlet 11.The blow-off pipe of described sewage draining exit 13 through being provided with blowoff valve is connected with the outside of housing 1, to be disposed to outside filter with current by the dirt under washing by rubbing with the hands in automatically cleaning process in filter, on filter screen.
Embodiment three
In the present embodiment, first end 51 and housing 1 roof of filter screen 5 are fixedly connected, and the second end 52 is fixed on fixed head 6.Described fixed head 6 relatively housing 1 is arranged independently.Described fixed head 6 is fixedly connected with rotating shaft 3, with make fixed head 6 level unsettled be placed in lower housing portion.
Described fixed head 6 is in the form of annular discs.Second end 52 of filter screen 5 is uniform, on the periphery being horizontally fixed on fixed head 6 in tensioning state; The center of fixed head 6 is connected with rotating shaft 3, rotates around rotating shaft axis to drive fixed head.The bottom that described rotating shaft 3 passes vertically through housing 1 is arranged, and it penetrates, and end is connected with fixed head 6, traversing through end matches to drive with the worm gear 4 of motor 2 output and is connected.Preferably, described rotating shaft 3 is extended along the vertical axis of barrel cover 1.Thus, make filter screen second end advance mobile near first end direction along the rotation of helix limit, limit under driven by motor.
In the present embodiment, described filter screen 5 is made up of flexible material, the second end 52 of filter screen in tensioning state be fixed on horizontally disposed fixed head 6 periphery, first end 51 being fixed on the inside bottom wall face of housing 1 in tensioning state.
Preferably, the first end 51 of filter screen 5 and the second end 52 are coaxially arranged with footpath, and to ensure that filter screen second end vertically advances movement, that reduces filter screen horizontal direction in self-cleaning filter process pulls power, avoids filter screen to be pullled the generation of bad situation.
Embodiment four
In the present embodiment, the specific works step of the arbitrary described self-cleaning filter of embodiment one to three is as follows,
The normal working procedure of filter,
The filter screen of tensioning is located in housing, and filter obtains filtered water according to the water inlet dirt entered in sewage, strainer filtering sewage, filtered water carries out normal filtration from the step of delivery port water outlet;
Filter enters self-cleaning program,
1) filter screen second end edge clockwise/counterclockwise to rotate, limit is mobile to advancing near the direction of filter screen first end, makes filter screen be twisted into twisted shape;
2) filter screen second end edge counterclockwise/to rotate clockwise, limit pulls mobile to the direction away from filter screen first end, makes filter screen reply normal tensioning shape.
In the present embodiment, preferably, when filter performs self-cleaning program, alternately step 1 is performed with certain frequency) and 2) certain times N, filter screen is constantly switched between tensioning normal condition and fried dough twist distorted shape, make filter screen constantly produce deformation, reach and improve the self-cleaning effect of filter screen, the dirt be attached on filter screen all to be washed by rubbing with the hands the object of getting off.
In the present embodiment, after the step according to above-mentioned self-cleaning filter completes, opened by the sewage draining exit of filter, order is washed the dirt got off by rubbing with the hands and is rushed to outside filter from sewage draining exit with current.
Embodiment five
In the present embodiment, described filter screen is set to comparatively loose or has and be necessarily flexiblely arranged in the housing of filter; Relative rotation can be only there is in the first end of described filter screen relative to the second end, and damage can not be caused to filter screen, reach the effect that band electric filter produces twisting displacement, washes by rubbing with the hands the dirt that filter screen adheres to, to realize the self-cleaning object of filter screen (not embodying in the accompanying drawings).
Embodiment in above-described embodiment can combine further or replace; and embodiment is only be described the preferred embodiments of the present invention; not the spirit and scope of the present invention are limited; under the prerequisite not departing from design philosophy of the present invention; the various changes and modifications that in this area, professional and technical personnel makes technical scheme of the present invention, all belong to protection scope of the present invention.
Claims (10)
1. a self-cleaning filter, comprising: housing (1), is provided with filter screen (5) in housing (1);
It is characterized in that: the first end (51) of filter screen (5) is fixedly connected with housing (1), and the second end (52) is connected with rotating shaft (3); Described rotating shaft (3) is work under motor (2) drives, and rotates relative to first end (51) with the second end (52) with electric filter (5).
2. a kind of self-cleaning filter according to claim 1, it is characterized in that: described rotating shaft (3) drives lower work at motor (2), close or away from moving with first end (51) the limit rotation relatively of the second end (52) with electric filter (5), limit;
Preferably, the output of described motor (2) is provided with worm gear (4); The sidewall of described rotating shaft (3) is provided with the screw thread coordinated with worm gear (4), makes rotating shaft (3) form worm screw; The worm screw that order is made up of rotating shaft (3) is matched to drive with the worm gear (4) of motor (1) output and is connected.
3. a kind of self-cleaning filter according to claim 1 and 2, is characterized in that: described housing (1) is made up of the barrel-like structure vertically arranged, and filter screen (5) is located at its inside;
Preferably, described filter screen (5) is in column, vertically arrange; The upper end of filter screen (5) forms first end (51), and described first end (51) is fixedly connected with the roof of housing (1); Filter screen (5) lower end forms the second end (52), and described second end (52) is fixed on fixed head (6).
4. a kind of self-cleaning filter according to claim 3, is characterized in that: described fixed head (6) the independent setting of housing (1) relatively; Fixed head (6) is fixedly connected with rotating shaft (3), makes the unsettled bottom being placed in housing (1) of fixed head (6).
5. a kind of self-cleaning filter according to claim 4, is characterized in that: described fixed head (6) is in the form of annular discs;
Second end (52) of filter screen (5) is fixed on the periphery of fixed head (6);
The center of fixed head (6) is connected with rotating shaft (3);
Preferably, the bottom that rotating shaft (3) passes vertically through housing (1) is arranged, rotating shaft (3) penetrate that end is connected with fixed head center, the traversing through end of rotating shaft (3) matches to drive with the worm gear (4) of motor (2) output and be connected;
Preferred further, described rotating shaft (3) is extended along the vertical axis of housing (1).
6. a kind of self-cleaning filter according to claim 4, it is characterized in that: described filter screen (5) is made up of flexible material, second end (52) of filter screen (5) in tensioning state, level be fixed on fixed head (6) periphery, inside the roof being fixed on housing (1) of first end (51) in tensioning state;
Preferably, the first end (51) of filter screen (5) and the second end (52) are coaxially arranged with footpath.
7. according to the arbitrary described a kind of self-cleaning filter of claim 1 to 6, it is characterized in that: enclose pillared filter screen (5) and housing (1) inner space is divided into two parts, the Part I that filter screen (5) is inner and the Part II between filter screen and housing; Described housing (1) upside is provided with water inlet (the 11)/delivery port (12) communicated with housing (1) Part I; Housing (1) is also provided with delivery port (the 12)/water inlet (11) communicated with Part II;
Preferably, described housing is provided with sewage draining exit (13), and described sewage draining exit and water inlet (11) are communicated with same housing (1) Part I or Part II respectively.
8. one kind adopt as arbitrary in claim 1 to 7 as described in the self cleaning method of self-cleaning filter, it is characterized in that: after filter work certain hour, motor rotates through rotating shaft band electric filter second end opposed screen first end, makes filter screen be twisted into twisted shape, be washed by rubbing with the hands by the dirt be attached on filter screen.
9. self-cleaning filter method according to claim 8, is characterized in that:
The concrete steps of self-cleaning filter program are as follows,
1) filter screen second end edge clockwise/counterclockwise to rotate, limit is mobile to advancing near the direction of filter screen first end, makes filter screen be twisted into twisted shape;
2) filter screen second end edge counterclockwise/to rotate clockwise, limit pulls mobile to the direction away from filter screen first end, makes filter screen reply normal tensioning shape;
Preferably, in self-cleaning filter process, with certain frequency repeated execution of steps 1) and 2) certain times N, so that the dirt be attached on filter screen is thoroughly washed by rubbing with the hands;
Further preferred, after the step of above-mentioned self-cleaning filter completes, the sewage draining exit of filter is opened, order wash by rubbing with the hands the dirt that gets off with current from sewage draining exit punching to outside filter.
10. a washing machine, is characterized in that: adopt as arbitrary in claim 1 to 7 as described in self-cleaning filter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410255365.9A CN105194917A (en) | 2014-06-10 | 2014-06-10 | Self-cleaning filter and self-cleaning method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410255365.9A CN105194917A (en) | 2014-06-10 | 2014-06-10 | Self-cleaning filter and self-cleaning method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105194917A true CN105194917A (en) | 2015-12-30 |
Family
ID=54943078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410255365.9A Pending CN105194917A (en) | 2014-06-10 | 2014-06-10 | Self-cleaning filter and self-cleaning method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105194917A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107142681A (en) * | 2017-06-20 | 2017-09-08 | 青岛海尔滚筒洗衣机有限公司 | Cleaning method, drainage arrangement and the washing machine of drainer for washer |
CN109082862A (en) * | 2018-11-01 | 2018-12-25 | 珠海格力电器股份有限公司 | Drying system and washing and drying integrated machine |
CN118217699A (en) * | 2024-05-22 | 2024-06-21 | 天津绿缘环保工程股份有限公司 | Water purification and filtration device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2775090Y (en) * | 2004-12-31 | 2006-04-26 | 海尔集团公司 | Internal circulation washing machine with detachable filter |
CN202398183U (en) * | 2011-12-02 | 2012-08-29 | 武汉永清环保科技工程有限公司 | Flexible rotary separator with self-cleaning function |
CN202569715U (en) * | 2012-05-10 | 2012-12-05 | 党庆风 | Direct discharging type rotating brush board sewage filter |
-
2014
- 2014-06-10 CN CN201410255365.9A patent/CN105194917A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2775090Y (en) * | 2004-12-31 | 2006-04-26 | 海尔集团公司 | Internal circulation washing machine with detachable filter |
CN202398183U (en) * | 2011-12-02 | 2012-08-29 | 武汉永清环保科技工程有限公司 | Flexible rotary separator with self-cleaning function |
CN202569715U (en) * | 2012-05-10 | 2012-12-05 | 党庆风 | Direct discharging type rotating brush board sewage filter |
Non-Patent Citations (1)
Title |
---|
朱龙英: "《机械原理》", 28 February 2009, 西安电子科技大学出版社 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107142681A (en) * | 2017-06-20 | 2017-09-08 | 青岛海尔滚筒洗衣机有限公司 | Cleaning method, drainage arrangement and the washing machine of drainer for washer |
CN109082862A (en) * | 2018-11-01 | 2018-12-25 | 珠海格力电器股份有限公司 | Drying system and washing and drying integrated machine |
CN118217699A (en) * | 2024-05-22 | 2024-06-21 | 天津绿缘环保工程股份有限公司 | Water purification and filtration device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206008165U (en) | A kind of Coal Chemical Industry back purge system | |
CN206503191U (en) | A kind of auto-flushing disinfection trough | |
CN108043089A (en) | The sewage treatment pot being not easy to plug | |
CN105477922A (en) | Pre-filter with function of automatically cleaning filter screen | |
CN104975475B (en) | A kind of filter mesh for washer self cleaning method and washing machine | |
CN105194917A (en) | Self-cleaning filter and self-cleaning method | |
CN205307928U (en) | Back flush drain filter | |
CN108905351A (en) | A kind of drum filter and its water process circulatory system | |
CN211462339U (en) | Back flush filter and be used for this back flush filter's filter core | |
CN104958947A (en) | Water filter | |
CN208865269U (en) | A kind of improved filter device | |
CN208137050U (en) | A kind of drain treatment apparatus | |
CN103933783B (en) | Multipole self-cleaning liquid separation purifier | |
CN110835189A (en) | Energy-saving high-efficiency self-cleaning filter | |
CN103432810B (en) | Backwashing filter | |
CN206109802U (en) | Washing machine | |
CN210874441U (en) | Filter element cleaning device of filter | |
CN113648705A (en) | Filter core with self-cleaning function for sewage treatment | |
CN2869084Y (en) | Washing machine impeller filtering device | |
CN207187245U (en) | A kind of filter with backwashing function | |
CN209020020U (en) | A kind of drum filter and its water process circulatory system | |
CN209060638U (en) | A kind of Oral Liquid Radix Panacis Quinquefolii filter plant convenient for cleaning | |
CN205495088U (en) | Filter equipment with cleaning function | |
CN205269193U (en) | Take leading filter of self -cleaning filter screen function | |
CN216225835U (en) | Automatic soak device of ground rice raw materials |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |