CN113908605B - A filter equipment for waste water pipeline mouth - Google Patents
A filter equipment for waste water pipeline mouth Download PDFInfo
- Publication number
- CN113908605B CN113908605B CN202111163372.2A CN202111163372A CN113908605B CN 113908605 B CN113908605 B CN 113908605B CN 202111163372 A CN202111163372 A CN 202111163372A CN 113908605 B CN113908605 B CN 113908605B
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- pipeline
- cover
- assembly
- fixing
- rotating
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- 239000002351 wastewater Substances 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 44
- 239000002699 waste material Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 23
- 238000011010 flushing procedure Methods 0.000 description 7
- 238000004065 wastewater treatment Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- 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
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
-
- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
- B01D29/925—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate containing liquid displacement elements or cores
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a filtering device for a wastewater pipeline port, which comprises a filtering unit and a pressurizing unit, wherein the filtering unit comprises a first pipeline, a second pipeline and a filtering cover, the second pipeline is arranged on one side of the first pipeline, and the filtering cover is detachably connected to one end of the first pipeline; the pressurizing unit is arranged inside the filtering unit and comprises a fixing component, a rotating component and a flow distribution component, the fixing component is connected between the first pipeline and the filtering cover, the rotating component is rotatably connected inside the fixing component, and the flow distribution component is arranged at one end, close to the filtering cover, of the fixing component. According to the device, the supercharging unit is additionally arranged, when water enters through the filter cover and the first pipeline, water flow can be increased through the rotary component and the flow dividing component, the flow speed is improved, and when the water is washed, the rotary component is driven to rotate by high-pressure water flow, so that 360-degree backflushing can be performed on the filter cover.
Description
Technical Field
The invention relates to the technical field of pipeline filtration, in particular to a filtering device for a wastewater pipeline port.
Background
At present, in a wastewater treatment system, a wastewater inlet pipeline mostly adopts a traditional Y-shaped filter, a filter screen is arranged on a single section to filter wastewater, and due to the fact that suspended matters in the wastewater are high in concentration and the filter screen is high in blocking speed, the through-flow capacity of the filter is gradually reduced along with the operation of the system until the filter is blocked; and the Y-shaped filter does not have an automatic flushing function in the running process, so that the waste water treatment system is intermittently stopped due to frequent blockage of the filter in the running process of the waste water treatment system.
Aiming at the water quality characteristics of high suspended substances in wastewater, the filter still has large flow capacity and automatic back flushing function under the condition of ensuring long-time operation of a wastewater system, and after the flow capacity of the filter is reduced, the automatic back flushing of the filter screen is realized without stopping the wastewater treatment system, so that the flow capacity of the filter is quickly recovered, and the reduction or stop of the treatment capacity of the wastewater treatment system caused by the reduction or blockage of the flow capacity of the filter is avoided.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional pipe filtering apparatus.
The problem to be solved by the present invention is therefore to provide a filter device for the mouth of a waste water pipe.
In order to solve the technical problems, the invention provides the following technical scheme: a filtering device for a wastewater pipeline port comprises a filtering unit and a pressurizing unit, wherein the filtering unit comprises a first pipeline, a second pipeline and a filtering cover, the second pipeline is arranged on one side of the first pipeline, and the filtering cover is detachably connected to one end of the first pipeline; the pressurizing unit is arranged inside the filtering unit and comprises a fixing assembly, a rotating assembly and a flow dividing assembly, wherein the fixing assembly is connected between the first pipeline and the filtering cover, the rotating assembly is rotatably connected inside the fixing assembly, and the flow dividing assembly is arranged at one end, close to the filtering cover, of the fixing assembly.
As a preferable aspect of the filtering apparatus for a waste water pipe port of the present invention, wherein: the fixing assembly comprises a fixing plate, a fixing cover and a fixing ring, the fixing cover passes through the fixing plate and is fixed on the inner wall of the first pipeline, and the fixing ring is fixed at one end, far away from the fixing plate, of the fixing cover.
As a preferable aspect of the filtering apparatus for a waste water pipe port of the present invention, wherein: the rotary assembly comprises a first rotary ring, a first rotary shaft and a first rotary plate, the first rotary ring is fixedly connected in the middle of the fixed cover, the first rotary shaft is rotatably connected with the first rotary ring, and the first rotary plate is uniformly arranged on the periphery of the first rotary shaft.
As a preferable aspect of the filtering apparatus for a waste water pipe mouth of the present invention, wherein: the rotary component further comprises a second rotating shaft and a second rotating plate, the second rotating shaft is fixedly connected with the first rotating shaft, and the second rotating plate is evenly arranged on the periphery of the second rotating shaft.
As a preferable aspect of the filtering apparatus for a waste water pipe mouth of the present invention, wherein: the flow distribution assembly comprises a flow distribution plate, and the flow distribution plate is fixedly arranged at one end, far away from the fixed cover, of the fixed ring.
As a preferable aspect of the filtering apparatus for a waste water pipe mouth of the present invention, wherein: the flow distribution assembly comprises a baffle, the baffle is evenly arranged on the circumference of the fixing ring, a first through hole is further formed in the fixing ring, and the first through hole is formed in one side of the baffle.
As a preferable aspect of the filtering apparatus for a waste water pipe mouth of the present invention, wherein: the filtering unit further comprises a connecting pipe, the connecting pipe is connected between the second pipeline and the fixed cover, and a one-way valve is arranged at the joint of the connecting pipe and the fixed cover.
As a preferable aspect of the filtering apparatus for a waste water pipe mouth of the present invention, wherein: the fixed cover is provided with a second through hole.
As a preferable aspect of the filtering apparatus for a waste water pipe port of the present invention, wherein: the fixed plate sets up a plurality ofly, evenly distributed on the circumference of fixed lid.
As a preferable aspect of the filtering apparatus for a waste water pipe port of the present invention, wherein: the second rotating plate is provided with a groove.
The invention has the beneficial effects that: the device is through increasing the pressure boost unit, and when intaking through filter mantle and first pipeline, gyration subassembly and reposition of redundant personnel subassembly can increase rivers, improve the velocity of flow, and when washing, high-pressure rivers drive gyration subassembly is rotatory, can carry out 360 recoil to the filter mantle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is a structural view of a filtering apparatus for a waste water pipe port.
Fig. 2 is a structural view of a pressurizing unit of a filtering apparatus for a waste water pipe port.
Figure 3 is a block diagram of a mounting assembly for a filter assembly for a waste pipe port.
Figure 4 is a block diagram of a swivel assembly of a filter apparatus for a waste pipe port.
Figure 5 is another view of the mounting assembly of the filter assembly for a waste pipe orifice.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures of the present invention are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the present invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present invention, which provides a filtering apparatus for a waste water pipe port, includes a filtering unit 100 and a pressurizing unit 200.
The filtering unit 100 comprises a first pipe 101, a second pipe 102 and a filter cover 103, wherein the second pipe 102 is arranged at one side of the first pipe 101, the filter cover 103 is detachably connected at one end of the first pipe 101, and the detachable connection adopts the existing connection mode, such as threaded connection and the like.
The pressurizing unit 200 is arranged inside the filtering unit 100 and comprises a fixing assembly 201, a rotating assembly 202 and a flow dividing assembly 203, wherein the fixing assembly 201 is connected between the first pipeline 101 and the filtering cover 103, the rotating assembly 202 is rotatably connected inside the fixing assembly 201, and the flow dividing assembly 203 is arranged at one end, close to the filtering cover 103, of the fixing assembly 201.
When the waste water treatment device is used, when waste water sequentially passes through the filter cover 103 and the first pipeline 101, water flow sequentially passes through the flow dividing assembly 203 and the rotary assembly 202 to be divided, so that the water flow is increased, and the flow speed is increased; when the filter cover 103 is washed, high-pressure water enters the fixed assembly 201 through the second pipeline 102 to drive the rotary assembly 202 to rotate, so that the filter cover 103 is backflushed for 360 degrees.
Example 2
Referring to fig. 3 and 4, a second embodiment of the present invention, which is based on the first embodiment, is shown.
Specifically, the fixing assembly 201 includes a fixing plate 201a, a fixing cover 201b and a fixing ring 201c, the fixing cover 201b is fixed on the inner wall of the first pipeline 101 through the fixing plate 201a, and the fixing ring 201c is fixed at one end of the fixing cover 201b far away from the fixing plate 201 a; the fixing plates 201a are disposed in a plurality and uniformly distributed on the circumference of the fixing cover 201b, and are fixedly connected to the inner wall of the first pipe 101, where the fixing connection is implemented by using an existing connection method, such as welding.
Further, the rotating assembly 202 includes a first rotating ring 202a, a first rotating shaft 202b and a first rotating plate 202c, the first rotating ring 202a is fixedly connected in the middle of the fixed cover 201b, the first rotating shaft 202b is rotatably connected with the first rotating ring 202a, the first rotating plate 202c is provided in plurality, and the first rotating plate 202c is uniformly arranged on the periphery of the first rotating shaft 202 b.
Preferably, the rotating assembly 202 further includes a second rotating shaft 202d and a second rotating plate 202e, the second rotating shaft 202d is fixedly connected to the first rotating shaft 202b, the second rotating plates 202e are disposed in plurality, and the second rotating plates 202e are uniformly disposed on the periphery of the second rotating shaft 202 d.
Further, the flow distribution assembly 203 comprises a baffle 203b, the baffle 203b is uniformly arranged on the circumference of the fixing ring 201c, the fixing ring 201c is further provided with a first through hole 201c-1, and the first through hole 201c-1 is arranged on one side of the baffle 203 b.
In summary, when the wastewater passes through the filter cover 103 and the first pipeline 101 in sequence, the water flow passes through the flow dividing assembly 203 and the rotating assembly 202 in sequence to be divided, so that the water flow is increased, and the flow rate is increased; when the filter cover 103 is washed, high-pressure water enters the fixed assembly 201 through the second pipeline 102 to drive the rotary assembly 202 to rotate, specifically, the high-pressure water drives the first rotating shaft 202b to rotate through the first rotating plate 202c, the second rotating shaft 202d rotates along with the first rotating shaft to drive the second rotating plate 202e to rotate, and water is sprayed to the filter cover 103 from the first through hole 201c-1, so that 360-degree back flushing of the filter cover 103 is realized.
Example 3
Referring to fig. 1 to 5, there is shown a third embodiment of the present invention, which is based on the first two embodiments.
Specifically, the flow dividing assembly 203 comprises a flow dividing plate 203a, and the flow dividing plate 203a is fixedly arranged at one end of the fixing ring 201c far away from the fixing cover 201b and is tapered, so that the flow of water flow is facilitated, and the resistance is reduced.
Preferably, the filter unit 100 further comprises a connecting pipe 104, the connecting pipe 104 is connected between the second pipe 102 and the fixing cover 201b, and a one-way valve 105 is disposed at the connection between the connecting pipe 104 and the fixing cover 201b, so that water can only flow from the second pipe 102 to the first pipe 101.
Preferably, the fixing cover 201b is provided with a second through hole 201b-1, and the second through hole 201b-1 is provided in plurality, so that water flowing into the fixing member 201 can flow out through the second through hole 201 b-1.
Further, the fixing plate 201a is provided in plurality and uniformly distributed on the circumference of the fixing cover 201 b.
Further, a plurality of grooves 202e-1 are formed in the second rotating plate 202e, so that water can be conveniently rotated and sprayed to the filter housing 103 through the first through holes 201 c-1.
In conclusion, when the waste water treatment device is used, when waste water passes through the filter cover 103 and the first pipeline 101 in sequence, water flow is divided through the flow dividing assembly 203 and the rotary assembly 202 in sequence, so that the water flow is increased, and the flow speed is increased; when the filter cover 103 is washed, high-pressure water enters the fixed assembly 201 through the second pipeline 102 to drive the rotary assembly 202 to rotate, specifically, the high-pressure water drives the first rotating shaft 202b to rotate through the first rotating plate 202c, the second rotating shaft 202d rotates along with the first rotating shaft to drive the second rotating plate 202e to rotate, and a part of water is sprayed to the filter cover 103 from the first through hole 201c-1 to realize back flushing of the periphery of the filter cover 103; the other part of water flows out from the flow distribution plate 203a to realize back flushing of the bottom of the filter cover 103; finally, the 360-degree back flushing of the filter cover 103 is realized.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (3)
1. A filter device for a waste water pipe orifice, characterized in that: comprises the steps of (a) preparing a substrate,
the filtering unit (100) comprises a first pipeline (101), a second pipeline (102) and a filtering cover (103), wherein the second pipeline (102) is arranged on one side of the first pipeline (101), and the filtering cover (103) is detachably connected to one end of the first pipeline (101); and the number of the first and second groups,
the pressurization unit (200) is arranged inside the filtering unit (100) and comprises a fixed assembly (201), a rotary assembly (202) and a flow dividing assembly (203), the fixed assembly (201) is connected between the first pipeline (101) and the filtering cover (103), the rotary assembly (202) is rotatably connected inside the fixed assembly (201), and the flow dividing assembly (203) is arranged at one end, close to the filtering cover (103), of the fixed assembly (201);
the fixing assembly (201) comprises a fixing plate (201 a), a fixing cover (201 b) and a fixing ring (201 c), the fixing cover (201 b) is fixed on the inner wall of the first pipeline (101) through the fixing plate (201 a), and the fixing ring (201 c) is fixed at one end, away from the fixing plate (201 a), of the fixing cover (201 b);
the rotating assembly (202) comprises a first rotating ring (202 a), a first rotating shaft (202 b) and a first rotating plate (202 c), the first rotating ring (202 a) is fixedly connected to the middle of the fixed cover (201 b), the first rotating shaft (202 b) is rotatably connected with the first rotating ring (202 a), and the first rotating plate (202 c) is uniformly arranged on the periphery of the first rotating shaft (202 b);
the rotating assembly (202) further comprises a second rotating shaft (202 d) and a second rotating plate (202 e), the second rotating shaft (202 d) is fixedly connected with the first rotating shaft (202 b), and the second rotating plate (202 e) is uniformly arranged on the periphery of the second rotating shaft (202 d);
the flow distribution assembly (203) comprises a flow distribution plate (203 a), and the flow distribution plate (203 a) is fixedly arranged at one end, far away from the fixed cover (201 b), of the fixed ring (201 c);
the flow distribution assembly (203) comprises baffles (203 b), the baffles (203 b) are uniformly arranged on the circumference of the fixing ring (201 c), the fixing ring (201 c) is further provided with first through holes (201 c-1), and the first through holes (201 c-1) are arranged on one side of the baffles (203 b);
the filtering unit (100) further comprises a connecting pipe (104), the connecting pipe (104) is connected between the second pipeline (102) and the fixed cover (201 b), and a one-way valve (105) is arranged at the connecting part of the connecting pipe (104) and the fixed cover (201 b);
the fixed cover (201 b) is provided with a second through hole (201 b-1).
2. A filter device for a waste pipe orifice as claimed in claim 1, characterized in that: the fixing plates (201 a) are arranged in plurality and are uniformly distributed on the circumference of the fixing cover (201 b).
3. A filter device for a waste pipe orifice as claimed in claim 1, characterized in that: the second rotating plate (202 e) is provided with a groove (202 e-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111163372.2A CN113908605B (en) | 2021-09-30 | 2021-09-30 | A filter equipment for waste water pipeline mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111163372.2A CN113908605B (en) | 2021-09-30 | 2021-09-30 | A filter equipment for waste water pipeline mouth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113908605A CN113908605A (en) | 2022-01-11 |
| CN113908605B true CN113908605B (en) | 2022-10-18 |
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ID=79237703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111163372.2A Active CN113908605B (en) | 2021-09-30 | 2021-09-30 | A filter equipment for waste water pipeline mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113908605B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB819389A (en) * | 1957-03-07 | 1959-09-02 | Brewing Patents Ltd | Improvements in or relating to filtering apparatus |
| CN203170086U (en) * | 2013-02-27 | 2013-09-04 | 江汉大学 | Full automatic Y-shaped filter with hydrodynamic automatic scrubbing function |
| CN204601790U (en) * | 2015-05-08 | 2015-09-02 | 福建科达消防阀门制造有限公司 | A kind of Y-filter |
| CN206240149U (en) * | 2016-11-25 | 2017-06-13 | 武汉力祯环保科技有限公司 | A kind of y-type filter with self-cleaning function |
| CN209500960U (en) * | 2018-11-15 | 2019-10-18 | 山东零零柒压力容器有限公司 | A kind of non-resistance collision y-type filter |
| CN210769587U (en) * | 2019-11-19 | 2020-06-16 | 涿州市高研泵阀制造有限公司 | Centrifugal pump with filtering device |
| CN111589209A (en) * | 2020-07-03 | 2020-08-28 | 沧州市新天方环保设备有限公司 | High-pressure hot water flushing filter with rotary nozzle |
| CN212914695U (en) * | 2020-07-08 | 2021-04-09 | 河北熵航能源科技有限公司 | Water inlet anti-blocking device for water pipe |
| CN212974356U (en) * | 2020-05-21 | 2021-04-16 | 四川弗洛威流体控制设备有限公司 | Filter valve using fluid high-speed filtering structure |
| CN213285787U (en) * | 2020-08-27 | 2021-05-28 | 韦桂娇 | Petroleum underground pipeline filtering device |
| CN113350851A (en) * | 2021-06-11 | 2021-09-07 | 晋奎 | Sewage filtering device used in sewage discharge pipeline |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200046288A (en) * | 2018-10-24 | 2020-05-07 | 이상무 | Magnetic strainer |
-
2021
- 2021-09-30 CN CN202111163372.2A patent/CN113908605B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB819389A (en) * | 1957-03-07 | 1959-09-02 | Brewing Patents Ltd | Improvements in or relating to filtering apparatus |
| CN203170086U (en) * | 2013-02-27 | 2013-09-04 | 江汉大学 | Full automatic Y-shaped filter with hydrodynamic automatic scrubbing function |
| CN204601790U (en) * | 2015-05-08 | 2015-09-02 | 福建科达消防阀门制造有限公司 | A kind of Y-filter |
| CN206240149U (en) * | 2016-11-25 | 2017-06-13 | 武汉力祯环保科技有限公司 | A kind of y-type filter with self-cleaning function |
| CN209500960U (en) * | 2018-11-15 | 2019-10-18 | 山东零零柒压力容器有限公司 | A kind of non-resistance collision y-type filter |
| CN210769587U (en) * | 2019-11-19 | 2020-06-16 | 涿州市高研泵阀制造有限公司 | Centrifugal pump with filtering device |
| CN212974356U (en) * | 2020-05-21 | 2021-04-16 | 四川弗洛威流体控制设备有限公司 | Filter valve using fluid high-speed filtering structure |
| CN111589209A (en) * | 2020-07-03 | 2020-08-28 | 沧州市新天方环保设备有限公司 | High-pressure hot water flushing filter with rotary nozzle |
| CN212914695U (en) * | 2020-07-08 | 2021-04-09 | 河北熵航能源科技有限公司 | Water inlet anti-blocking device for water pipe |
| CN213285787U (en) * | 2020-08-27 | 2021-05-28 | 韦桂娇 | Petroleum underground pipeline filtering device |
| CN113350851A (en) * | 2021-06-11 | 2021-09-07 | 晋奎 | Sewage filtering device used in sewage discharge pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113908605A (en) | 2022-01-11 |
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