CN112361053B - Heating and ventilation filter valve capable of being cleaned in rotating mode - Google Patents
Heating and ventilation filter valve capable of being cleaned in rotating mode Download PDFInfo
- Publication number
- CN112361053B CN112361053B CN202011030340.0A CN202011030340A CN112361053B CN 112361053 B CN112361053 B CN 112361053B CN 202011030340 A CN202011030340 A CN 202011030340A CN 112361053 B CN112361053 B CN 112361053B
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- Prior art keywords
- valve
- water outlet
- filter
- ring
- valve body
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- 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.)
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 238000009423 ventilation Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 127
- 238000004140 cleaning Methods 0.000 claims abstract description 42
- 238000001914 filtration Methods 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 239000010865 sewage Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/018—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements ring shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention belongs to the technical field of filter valves, and particularly relates to a heating and ventilation filter valve capable of being cleaned in a rotating mode. The invention provides a heating and ventilating filter valve capable of being rotatably cleaned, aiming at the problems that the filter valve is poor in cleaning effect and sewage is easy to discharge into equipment, and the heating and ventilating filter valve comprises a valve body, wherein a water inlet is formed in one side of the valve body, a water outlet is formed in the other side of the valve body, a water outlet is formed in the lower end of the valve body, a drain valve is arranged in the water outlet, a connecting piece is arranged on the valve body and is respectively connected with the water inlet and the water outlet, a filter ring is arranged at the lower end of the connecting piece, a water collecting cavity is formed by the filter ring and the valve body in an enclosing mode, a rotating device is further arranged on the connecting piece, and the rotating device is matched with the filter ring. The filter valve provided by the invention has a good cleaning effect, downstream equipment cannot be polluted, the service life of the filter valve is greatly prolonged, and pipelines of related equipment are effectively protected.
Description
Technical Field
The invention belongs to the technical field of filter valves, and particularly relates to a heating and ventilation filter valve capable of being cleaned in a rotating mode.
Background
Because the pipeline of the tap water pipe can produce precipitated impurities and particle impurities such as bacteria, microorganism remains, iron rust, sand mud and the like which are more than 5 micrometers, the particle impurities can damage the downstream pipeline, and meanwhile, the pipeline is easier to scale and influence the service life of corresponding products. The warm filter valve that leads to usually is preceding to be arranged in ground heating equipment, however the filter valve is because the impurity that filters the production has very big influence the filter effect, consequently need regularly to wash the filter valve. However, the existing filter valve has poor cleaning effect and is easy to discharge sewage into the equipment.
For example, the chinese patent application discloses a filter valve provided with a rotary inner core [ application No.: 201410818744.4], the invention discloses a filter valve with a rotary inner core, which comprises a cylindrical valve body, wherein a water inlet end and a water outlet end are respectively arranged on two sides of the outer wall of the valve body, a circle of filter screen is arranged on the inner wall of the valve body, a filter element is arranged in the filter screen, the filter element is sleeved on a rotary shaft, the rotary shaft is arranged at the center of the valve body, the upper end part of the rotary shaft is screwed on a valve cover, the valve cover is clamped at the top end of the valve body, a layer of sealing rubber ring is arranged at the contact part of the rotary shaft and the inner wall of the upper part of the valve body, a sewage discharge port is arranged at the bottom of the valve body, and a sewage discharge tank is screwed at the bottom of the sewage discharge port.
According to the filter valve provided with the rotary inner core, the rotary filter inner core is arranged in the valve body, the filter effect is good, and the filter valve is provided with the sewage draining port and the sewage draining box, so that the cleaning period of the filter inner core can be prolonged. It still fails to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides a heating ventilation filter valve capable of being cleaned in a rotating mode.
In order to achieve the purpose, the invention adopts the following technical scheme: a heating and ventilation filter valve capable of being cleaned in a rotating mode comprises a valve body, wherein a water inlet is formed in one side of the valve body, a water outlet is formed in the other side of the valve body, a water outlet is formed in the lower end of the valve body, a drain valve is arranged in the water outlet, a connecting piece is arranged on the valve body and is respectively connected with the water inlet and the water outlet, a filter ring is arranged at the lower end of the connecting piece, a water collecting cavity is formed by the filter ring and the valve body in an enclosing mode, a rotating device is further arranged on the connecting piece, and the rotating device is matched with the filter ring;
the connecting piece is provided with a fixing ring, the side wall of the fixing ring is communicated with the water inlet, the side wall of the fixing ring is not communicated with the water outlet, and the water outlet is communicated with the water collecting cavity;
the valve body is also provided with a baffle plate, and the baffle plate, the valve body and the filter ring enclose to form a water collecting cavity;
a water outlet valve slot is arranged on one side of the fixing ring connected with the water outlet, and the water outlet valve slot is connected with a water outlet control device;
a water outlet reinforcing ring is arranged between the water outlet valve groove and the fixing ring, and a capacity expansion ring is arranged between the water outlet reinforcing ring and the water outlet valve groove.
In the heating and ventilating filter valve capable of being cleaned rotatably, the rotating device comprises a rotating control device, a rotating shaft driven by the rotating control device and a rotating ring arranged at one end of the rotating shaft far away from the rotating control device, and the rotating control device is arranged above the connecting piece.
In the above heating and ventilating filter valve capable of being cleaned in a rotating manner, the rotating device further comprises a cleaning part, and the cleaning part is sleeved at one end of the rotating shaft, which is not connected with the rotation control device, and is matched with the filter ring.
In the heating and ventilation filter valve capable of being cleaned in a rotating mode, the baffle is provided with a cleaning part hole, and the cleaning part hole limits the cleaning part.
In the above heating and ventilating filter valve capable of being cleaned rotatably, the cleaning part is provided with a fixing part, the fixing part is matched with the cleaning part, and a reinforcing part is arranged on the surface of the baffle plate, which is not connected with the filter ring.
In the heating and ventilation filter valve capable of being cleaned in a rotating mode, the heating and ventilation filter valve further comprises a shell, the valve body is arranged in the shell, the shell is provided with a water inlet fixing port, a water outlet fixing port and a water drainage fixing port, and the shell is further provided with a control panel.
In the heating and ventilation filter valve capable of being cleaned in a rotating mode, the shell comprises a fixed shell, and the fixed shell is provided with a filter shell limiting plate and a power supply box.
Compared with the prior art, the invention has the advantages that:
1. the filter valve provided by the invention has a good cleaning effect, downstream equipment cannot be polluted, the service life of the filter valve is greatly prolonged, and pipelines of related equipment are effectively protected.
2. According to the invention, through the improvement of the filtering structure and the arrangement of the corresponding cleaning mechanism, the filtering quality is improved, and the filtering structure can be integrally cleaned.
3. The invention has scientific structure and simple operation, is convenient for users to use and improves the use feeling of the users.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of one embodiment of the present invention;
FIG. 3 is a schematic structural view of a part of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a cross-sectional view of one embodiment of the present invention;
FIG. 6 is a partial cross-sectional view in another orientation of the present invention;
FIG. 7 is a schematic structural diagram of an embodiment of the present invention;
FIG. 8 is a schematic structural view of a part of the present invention;
in the figure: the water outlet device comprises a valve body 1, a water inlet 2, a water outlet 3, a water outlet 4, a water discharge valve 5, a connecting piece 11, a filter ring 6, a water collecting cavity 7, a rotating device 8, a fixing ring 12, a baffle 13, a water outlet control device 14, a water outlet valve groove 121, a water outlet reinforcing ring 122, an expansion ring 123, a rotating control device 81, a rotating shaft 82, a rotating ring 83, a cleaning part 84, a fixing part 841, a cleaning part hole 131, a reinforcing part 132, a shell 9, a water inlet fixing hole 91, a water outlet fixing hole 92, a water discharge fixing hole 93, a control panel 94, a fixing shell 95, a filter shell limiting plate 951 and a power supply box 952.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, a rotatable abluent warm logical strainer valve, includes valve body 1, one side of valve body 1 set up water inlet 2, the opposite side of valve body 1 set up delivery port 3, the lower extreme of valve body 1 set up outlet 4, outlet 4 set up drain valve 5, valve body 1 set up connecting piece 11, connecting piece 11 link to each other with water inlet 2 and delivery port 3 respectively, the lower extreme of connecting piece 11 set up and strain ring 6, filter ring 6 and valve body 1 enclose synthetic water collecting cavity 7, connecting piece 11 still set up rotary device 8, rotary device 8 and filter ring 6 cooperate.
When filtering the use, drain valve 5 close, the running water from water inlet 2 get into through connecting piece 11 and strain ring 6, get into the chamber 7 that catchments after straining ring 6 and filtering, the water that filters the completion in the chamber 7 that catchments gets into through delivery port 3 and warms up equipment.
When the filter valve needs to be cleaned, the drain valve 5 is opened, the rotating device 8 rotates to clean, and the generated sewage is directly discharged from the water outlet 4. The water discharge valve 5 can be a ball valve, an electromagnetic valve, a motor and the like. The filter ring 6 may be made of stainless steel screen material or other filter material.
Referring to fig. 3 and 4, the connecting member 11 is provided with a fixing ring 12, the side wall of the fixing ring 12 is communicated with the water inlet 2, the side wall of the fixing ring 12 is not communicated with the water outlet 3, and the water outlet 3 is communicated with the water collecting cavity 7.
When this embodiment filters, water inlet 2 and delivery port 3 do not communicate with each other, and the running water directly gets into and strains 6 and filter very big assurance filterable effects moreover. When the cleaning machine is used for cleaning, sewage is effectively prevented from entering the water outlet and damaging corresponding equipment.
Further, in order to more effectively prevent the sewage from splashing, a water outlet valve groove 121 is arranged on one side of the fixing ring 12 connected with the water outlet 3, and the water outlet valve groove 121 is connected with the water outlet control device 14. The water outlet control device 14 is matched with the water outlet valve slot 121 to realize the sealing of the water outlet 3, and the water outlet control device 14 can be an electromagnetic valve or a motor.
As shown in fig. 2, the water inlet 2 can be directly screwed to the fixing ring 12, however, since the water outlet 3 is provided with the water outlet control device 14, in order to ensure the stability of the device, a water outlet reinforcing ring 122 is arranged between the water outlet valve groove 121 and the fixing ring 12, and a capacity expanding ring 123 is arranged between the water outlet reinforcing ring 122 and the water outlet valve groove 121. Specifically, the rotating device 8 includes a rotation control device 81, a rotating shaft 82 driven by the rotation control device 81, and a rotating ring 83 disposed at one end of the rotating shaft 82 far from the rotation control device 81, wherein the rotation control device 81 is disposed above the connecting member 11.
The rotation control device 81 can also be a solenoid valve or a motor or other similar device, the rotation control device 81 drives the rotation shaft 82 to rotate, and the rotation ring 83 limits the rotation shaft. The rotating shaft 82 may also be sleeved with a filter material. The fixing ring 12 can also be provided with a limit protection ring of the fixing ring 12.
In order to ensure that the washing is cleaner and more thorough, the rotating device 8 further comprises a cleaning part 84, and the cleaning part 84 is sleeved on the end of the rotating shaft 82 which is not connected with the rotation control device 81 and is matched with the filter ring 6.
In this case, the rotating device 8 rotates the rotating shaft 82 and the cleaning unit 84 to clean the filter ring 6.
As will be understood by those skilled in the art, the impurities in the filter chamber formed by the filter ring 6 are mostly concentrated at the bottom during filtering, the valve body 1 is further provided with a baffle 13, the baffle, the valve body 1 and the filter ring 6 are enclosed to form the water collecting chamber 7, the baffle 13 is provided with a cleaning part hole 131, and the cleaning part hole 131 limits the cleaning part 84. In the cleaning, the cleaning portion 84 cleans the shutter 13.
More specifically, the cleaning portion 84 is provided with a fixing portion 841, the fixing portion 841 is matched with the cleaning portion hole 131, and the side of the baffle plate 13 which is not connected with the filter ring 6 is provided with a reinforcing member 132.
The presence of the drain valve 5, the small amount of leakage in the cleaning portion bore 131 does not affect the amount of water output, and the presence of the baffle 13 does not back contaminate the water in the water collection chamber 7.
As shown in fig. 7-8, the water-saving valve further comprises a housing 9, the valve body 1 is disposed in the housing 9, the housing 9 is provided with a water inlet fixing port 91, a water outlet fixing port 92 and a water discharge fixing port 93, and the housing 9 is further provided with a control panel 94. The present embodiment can perform the manual mode washing or the automatic mode washing by the circuit control of the discharge valve 5, the discharge control means 14, and the rotation control means 81.
The shell 9 is arranged to fix the valve body 1, the water inlet 2, the water outlet 3 and the water outlet 4, so that stable connection with each pipeline is ensured during filtering, and meanwhile, the control panel 94 is arranged to visually control the filter valve. The embodiment can realize a manual mode or an automatic mode for the filter valve through the control panel.
Further, shell 9 include set casing 95, set casing 95 set up filter shell limiting plate 951 and power pack 952.
The working principle of the invention is as follows: during filtering, the drain valve 5 is closed, tap water enters the filtering ring 6 from the water inlet 2 through the connecting piece 11, enters the water collecting cavity 7 after being filtered by the filtering ring 6, and water filtered in the water collecting cavity 7 enters the floor heating equipment through the water outlet 3. During cleaning, firstly, the drain valve 5 is opened, and then the water outlet 3 is closed through the matching of the water outlet control device 14 and the water outlet valve groove 121, so that the filter valve is prevented from being damaged due to the overlarge water volume in the valve body. The rotation control device 81 is turned on again to rotate the rotary shaft 82, and the cleaning unit 84 is driven to clean the filter ring 6 and the baffle plate 13, and the cleaned sewage flows out from the drain port 4. After the cleaning is finished, the water outlet 3 is opened, the drain valve 5 is closed, and the one-time cleaning is finished. The invention has simple structure, thorough cleaning, no pollution to the connecting equipment and suitability for multiple scenes.
Although terms such as the valve body 1, the water inlet 2, the water outlet 3, the water outlet 4, the water discharge valve 5, the connection member 11, the filter ring 6, the water collection chamber 7, the rotation device 8, the fixing ring 12, the baffle 13, the water outlet control device 14, the water outlet valve housing 121, the water outlet reinforcing ring 122, the volume expanding ring 123, the rotation control device 81, the rotation shaft 82, the rotation ring 83, the cleaning portion 84, the fixing portion 841, the cleaning portion hole 131, the reinforcing member 132, the housing 9, the water inlet fixing port 91, the water outlet fixing port 92, the water discharge fixing port 93, the control panel 94, the fixing housing 95, the filter housing limiting plate 951, and the power supply case 952 are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to the spirit of the present invention.
Claims (7)
1. A heating and ventilation filter valve capable of being cleaned in a rotating mode comprises a valve body (1), wherein a water inlet (2) is formed in one side of the valve body (1), a water outlet (3) is formed in the other side of the valve body (1), a water outlet (4) is formed in the lower end of the valve body (1), a drain valve (5) is arranged in the water outlet (4), the heating and ventilation filter valve is characterized in that a connecting piece (11) is arranged on the valve body (1), the connecting piece (11) is respectively connected with the water inlet (2) and the water outlet (3), a filter ring (6) is arranged at the lower end of the connecting piece (11), a water collecting cavity (7) is formed by the filter ring (6) and the valve body (1) in a surrounding mode, a rotating device (8) is further arranged on the connecting piece (11), and the rotating device (8) is matched with the filter ring (6);
the connecting piece (11) is provided with a fixing ring (12), the side wall of the fixing ring (12) is communicated with the water inlet (2), the side wall of the fixing ring (12) is not communicated with the water outlet (3), and the water outlet (3) is communicated with the water collecting cavity (7);
the valve body (1) is also provided with a baffle (13), and the baffle (13), the valve body (1) and the filter ring (6) enclose to form a water collecting cavity (7);
a water outlet valve groove (121) is formed in one side, connected with the water outlet (3), of the fixing ring (12), and the water outlet valve groove (121) is connected with a water outlet control device (14);
a water outlet reinforcing ring (122) is arranged between the water outlet valve groove (121) and the fixing ring (12), and a capacity expansion ring (123) is arranged between the water outlet reinforcing ring (122) and the water outlet valve groove (121).
2. The spin-cleanable warm-air filtering valve according to claim 1, wherein: the rotating device (8) comprises a rotating control device (81), a rotating shaft (82) driven by the rotating control device (81) and a rotating ring (83) arranged at one end of the rotating shaft (82) far away from the rotating control device (81), and the rotating control device (81) is arranged above the connecting piece (11).
3. The spin-cleanable warm-air filtering valve according to claim 2, wherein: the rotating device (8) further comprises a cleaning part (84), and the cleaning part (84) is sleeved at one end of the rotating shaft (82) which is not connected with the rotating control device (81) and is matched with the filter ring (6).
4. The spin-cleanable warm-air filtering valve according to claim 3, wherein: the baffle (13) is provided with a cleaning part hole (131), and the cleaning part hole (131) limits the cleaning part (84).
5. The spin-cleanable warm-air filtering valve according to claim 4, wherein: the cleaning part (84) is provided with a fixing part (841), the fixing part (841) is matched with the cleaning part hole (131), and a reinforcing part (132) is arranged on the surface of the baffle plate (13) which is not connected with the filter ring (6).
6. The spin-on cleanable warm-ventilation filter valve of claim 5, wherein: still include shell (9), valve body (1) set up in shell (9), shell (9) set up into water fixed mouthful (91), go out water fixed mouthful (92) and drainage fixed mouthful (93), shell (9) on still set up control panel (94).
7. The spin-on cleanable warm-ventilation filter valve of claim 6, wherein: shell (9) including set casing (95), set casing (95) set up and strain shell limiting plate (951) and power pack (952).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030340.0A CN112361053B (en) | 2020-09-27 | 2020-09-27 | Heating and ventilation filter valve capable of being cleaned in rotating mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030340.0A CN112361053B (en) | 2020-09-27 | 2020-09-27 | Heating and ventilation filter valve capable of being cleaned in rotating mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112361053A CN112361053A (en) | 2021-02-12 |
| CN112361053B true CN112361053B (en) | 2023-02-10 |
Family
ID=74507539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011030340.0A Active CN112361053B (en) | 2020-09-27 | 2020-09-27 | Heating and ventilation filter valve capable of being cleaned in rotating mode |
Country Status (1)
| Country | Link |
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| CN (1) | CN112361053B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203235321U (en) * | 2013-05-13 | 2013-10-16 | 珠海爱迪生节能科技有限公司 | Automatic backwash filtering device |
| CN203442300U (en) * | 2013-07-31 | 2014-02-19 | 浙江鑫帆铜业有限公司 | Filter regulating valve |
| WO2016204484A1 (en) * | 2015-06-15 | 2016-12-22 | 아이닉스(주) | Automatic washing device for filter of motor pump |
| CN205627255U (en) * | 2016-03-18 | 2016-10-12 | 厦门建霖工业有限公司 | Prefilter that core lasts water feed function is torn open in area |
| CN108939674A (en) * | 2018-08-21 | 2018-12-07 | 厦门百霖净水科技有限公司 | A kind of auto-flushing pre-filtering device |
| CN110694324A (en) * | 2019-09-27 | 2020-01-17 | 安平县汉科过滤科技有限公司 | Leading water filter |
| CN110812919A (en) * | 2019-12-01 | 2020-02-21 | 郑水芝 | Backwashing device for sewage treatment equipment |
| CN214036989U (en) * | 2020-09-27 | 2021-08-24 | 华星澳亚控股有限公司 | Heating and ventilation filter valve capable of being cleaned in rotating mode |
-
2020
- 2020-09-27 CN CN202011030340.0A patent/CN112361053B/en active Active
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| CN112361053A (en) | 2021-02-12 |
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