CN112403058A - Self-cleaning anti-blocking filter screen - Google Patents
Self-cleaning anti-blocking filter screen Download PDFInfo
- Publication number
- CN112403058A CN112403058A CN202011115556.7A CN202011115556A CN112403058A CN 112403058 A CN112403058 A CN 112403058A CN 202011115556 A CN202011115556 A CN 202011115556A CN 112403058 A CN112403058 A CN 112403058A
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- CN
- China
- Prior art keywords
- filter screen
- wall
- fixedly connected
- mounting groove
- side wall
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 238000003860 storage Methods 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 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
- B01D29/01—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
- B01D29/03—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 self-supporting
-
- 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
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
- B01D29/965—Device for changing the inclination of the filtering element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a self-cleaning anti-blocking filter screen which comprises a filter screen body rotatably installed in an installation groove, wherein a reset spring is fixedly connected between the end part of the filter screen body and the inner wall of the installation groove, the upper side wall of the installation groove is connected with a water inlet pipe, a guide rod is arranged on the outer side of the installation groove, a sliding block is slidably sleeved on the outer wall of the guide rod, an extension spring with two ends fixedly connected with the upper side wall of the sliding block and the outer wall of the guide rod is sleeved on the outer wall of the upper end of the guide rod, a through hole is formed in the outer wall of the installation groove, an arc-shaped block slides in the through hole, and. According to the invention, when the filter screen has excessive impurities, the water outlet pipe is triggered to move upwards through the rotation of the filter screen, so that water in the water storage tank flows out to wash the filter screen, and meanwhile, the movable plate is moved to open the discharge port, so that the filter screen is self-cleaned, and the influence of excessive impurities on the filter screen on the filtering effect is avoided.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a self-cleaning anti-blocking filter screen.
Background
A screen is a component used for water treatment or air treatment.
The industrial wastewater refers to wastewater, sewage and waste liquid generated in the industrial production process, and contains industrial production materials, intermediate products and products which are lost along with water, and pollutants generated in the production process. Along with the rapid development of industry, the variety and the quantity of waste water are rapidly increased, the pollution to water is gradually wide and serious, the health and the safety of human beings are threatened, and when the filter screen is used for treating industrial waste water, the filtering effect of the filter screen is influenced along with the accumulation of foreign matters on the surface, and the artificial cleaning is inconvenient.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a self-cleaning anti-clogging filter screen.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-cleaning anti-blocking filter screen comprises a filter screen body rotatably installed in a mounting groove, a reset spring is fixedly connected between the end part of the filter screen body and the inner wall of the mounting groove, the upper side wall of the mounting groove is connected with a water inlet pipe, a guide rod is arranged on the outer side of the mounting groove, a slide block is sleeved on the outer wall of the guide rod in a sliding manner, a telescopic spring with two ends fixedly connected with the upper side wall of the slide block and the outer wall of the guide rod respectively is sleeved on the outer wall of the upper end of the guide rod, an opening is formed in the outer wall of the mounting groove, an arc-shaped block slides in the opening, the outer side wall of the arc-shaped block is rotatably connected with a connecting rod, the other end of the connecting rod is rotatably connected with the slide block, the end part of the filter screen body is positioned at the lower, the utility model discloses a water storage tank, including the outlet pipe, the upper end of outlet pipe is inserted and is established the lower lateral wall of water storage tank, the lower extreme of outlet pipe is inserted and is established the last lateral wall of mounting groove, be provided with out the water runner in the outlet pipe, fixedly connected with limiting plate on the outer wall of mounting groove, it is equipped with the movable plate to insert on the limiting plate, the tip fixedly connected with connecting spring of movable plate, the bayonet socket has been seted up to the last lateral wall of movable plate, the lower lateral wall fixedly connected with lower extreme of slider is inserted and is established the intraoral pole that supports of bayonet socket, the discharge gate has been seted up on the outer wall of mounting groove.
Preferably, the water outlet flow channel consists of an inclined groove at the upper end and a vertical groove with the lower end connected with the inclined groove.
Preferably, the outlet pipe is located fixedly connected with connecting rod on the one end outer wall of mounting groove, the tip fixedly connected with of connecting rod be located under the inlet tube and with inlet tube assorted sprue.
Preferably, be connected with the moisturizing pipe on the outer wall of water storage tank, it has the kickboard to slide in the water storage tank, fixedly connected with connecting pipe on the outer wall of water storage tank, it has the slide to slide in the connecting pipe, fixedly connected with extension spring between the inner diapire of slide and connecting pipe, fixedly connected with connection rope between the last lateral wall of kickboard and slide, the last lateral wall fixed mounting of connecting pipe has the switch.
Preferably, the reset mechanism includes the push rod of being connected with the side wall rotation on the movable plate, the tip of push rod runs through the outer wall of mounting groove and extends to the inside of mounting groove, and is located the tip downside of filter screen body.
Compared with the prior art, this self-cleaning prevents blockking up filter screen's advantage lies in:
1. the filter screen comprises an arc-shaped block, a connecting rod, a sliding block, a water storage tank and a water outlet pipe, wherein when the filter screen body is excessive in impurities, one end of the filter screen body rotates downwards, the other end of the filter screen body rotates upwards to stretch a reset spring, the arc-shaped block is extruded to move outwards, the sliding block is driven by the connecting rod to move upwards to extrude an expansion spring, the water outlet pipe is driven by the connecting rod to move upwards, the chute is communicated with the water storage tank, water in the water storage tank flows out to wash the filter screen body, the impurities on the filter screen body are washed out, and the filter screen body is self-cleaned;
2. the movable plate, the abutting rod, the bayonet and the discharge hole are arranged, when the sliding block moves upwards, the abutting rod is pulled out of the bayonet, the movable plate is ejected towards the right side under the reverse elasticity of the connecting spring, the extending edge is separated from the discharge hole, impurities punched by the filter screen body are punched out of the discharge hole by water flow, and the filter screen body is cleaned;
3. the water replenishing pipe is arranged, when the water in the water storage tank is reduced, the sliding plate is pulled to move upwards through the connecting rope under the action of the gravity of the floating plate to press the switch, so that the external water pump starts to work, an external water source is pumped into the water storage tank to replenish the water source, and the self-cleaning work of the filter screen body can be continuously carried out;
in conclusion, when the filter screen has excessive impurities, the water outlet pipe is triggered to move upwards through the rotation of the filter screen, so that water in the water storage tank flows out to wash the filter screen, the opening of the discharge port is realized through the movement of the movable plate, the self-cleaning of the filter screen is realized, and the influence of excessive impurities on the filter screen on the filtering effect is avoided.
Drawings
FIG. 1 is a schematic structural view of a self-cleaning anti-clogging filter screen according to the present invention;
FIG. 2 is a cross-sectional view of a water outlet pipe in a self-cleaning anti-clogging filter screen according to the present invention;
fig. 3 is a side view of a water storage tank in a self-cleaning anti-clogging filter screen according to the present invention.
In the figure: the water storage device comprises a mounting groove 1, a water inlet pipe 2, a water storage tank 3, a guide rod 4, a sliding block 5, a telescopic spring 6, a connecting rod 7, an arc-shaped block 8, a cross rod 9, a water outlet pipe 10, a blocking block 11, a filter screen body 12, a return spring 13, a limiting plate 14, a movable plate 15, a bayonet 16, a connecting spring 17, a push rod 18, a switch 19, a vertical groove 20, a chute 21, a floating plate 22, a connecting pipe 23, a sliding plate 24 and a tension spring 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a self-cleaning anti-clogging filter screen, which comprises a filter screen body 12 rotatably installed in an installation groove 1, a reset spring 13 is fixedly connected between the end part of the filter screen body 12 and the inner wall of the installation groove 1, the filter screen body 12 is obliquely arranged and has a lower height close to one end of a discharge port, the upper side wall of the installation groove 1 is connected with a water inlet pipe 2, the outer side of the installation groove 1 is provided with a guide rod 4, the outer wall of the guide rod 4 is slidably sleeved with a slide block 5, the outer wall of the upper end of the guide rod 4 is sleeved with a telescopic spring 6, the two ends of the telescopic spring are respectively fixedly connected with the upper side wall of the slide block 5 and the outer wall of the guide rod 4, the outer wall of the installation groove 1 is provided with an opening, an arc-shaped block 8 slides in the opening, the upper side wall of the mounting groove 1 is provided with a water storage tank 3, the upper side wall of the sliding block 5 is fixedly connected with a cross rod 9, the end part of the cross rod 9 is fixedly connected with a water outlet pipe 10, the upper end of the water outlet pipe 10 is inserted into the lower side wall of the water storage tank 3, the lower end of the water outlet pipe 10 is inserted into the upper side wall of the mounting groove 1, a water outlet flow passage is formed by a chute 21 at the upper end and a vertical groove 20 at the lower end connected with the chute 21, the end part of the chute 21 is just started to be positioned at the outer side of the water storage tank 3, the vertical groove 20 is communicated with the inside of the mounting groove 1, a water outlet flow passage is arranged in the water outlet pipe 10, when impurities are excessive on the filter screen body 12, the impurities extrude the end part of the filter screen body 12 to rotate downwards, the other end of the filter screen body 12 rotates upwards to stretch, the chute 21 is communicated with the water storage tank 3, and water in the water storage tank 3 flows out to flush the filter screen body 12, so that impurities on the filter screen body 12 are flushed out.
Fixedly connected with limiting plate 14 on the outer wall of mounting groove 1, it is equipped with movable plate 15 to insert on limiting plate 14, the tip fixedly connected with connecting spring 17 of movable plate 15, bayonet 16 has been seted up to the last lateral wall of movable plate 15, the lower lateral wall fixedly connected with lower extreme of slider 5 is inserted and is established the support pole in bayonet 16, the discharge gate has been seted up on the outer wall of mounting groove 1, the tip integrated into one piece of movable plate 15 has the extension limit of inserting and establishing in the discharge gate, extend the limit card in the discharge gate, avoid waste water to discharge from the discharge gate, when slider 5 moves up, pull out in bayonet 16 with the support pole, pop out movable plate 15 towards the right side under connecting spring 17's reverse elasticity, make the extension limit break away from the discharge gate, impurity that rivers were gone up filter screen body 12 is followed discharge gate and is.
Be provided with canceling release mechanical system on the movable plate 15, canceling release mechanical system includes the push rod 18 of being connected with the side wall rotation on the movable plate 15, the tip of push rod 18 runs through the inside that the outer wall of mounting groove 1 extends to mounting groove 1, and be located filter body 12's tip downside, when filter body 12 clean up, filter body 12 reversal under reset spring 13's reverse elasticity, filter body 12's tip promotes push rod 18 and removes toward the outside, drive movable plate 15 and remove toward the left side, slider 5 moves back under the reverse elasticity of expanding spring 6 simultaneously, support the pole and insert to bayonet 16 once more, accomplish movable plate 15's spacing, avoid it to remove at will and cause waste water to follow the problem of discharge gate department discharge.
Fixedly connected with connecting rod on the one end outer wall that outlet pipe 10 is located mounting groove 1, the tip fixedly connected with of connecting rod be located under inlet tube 2 and with inlet tube 2 assorted sprue 11, when outlet pipe 10 shifts up the water that makes in the water storage tank 3 discharge to mounting groove 1 in, sprue 11 shifts up to and plugs up inlet tube 2 in the inlet tube 2, the problem of waste water discharge again when avoiding water to wash filter screen body 12.
The outer wall of the water storage tank 3 is connected with a water replenishing pipe, a floating plate 22 slides in the water storage tank 3, a connecting pipe 23 is fixedly connected on the outer wall of the water storage tank 3, a sliding plate 24 slides in the connecting pipe 23, an extension spring 25 is fixedly connected between the sliding plate 24 and the inner bottom wall of the connecting pipe 23, a connecting rope is fixedly connected between the floating plate 22 and the upper side wall of the sliding plate 24, a switch 19 is fixedly arranged on the upper side wall of the connecting pipe 23, the water replenishing pipe is connected with an external water pump, the switch 19 is connected with the external water pump and a mains supply, the buoyancy of the floating plate 22 is larger than the gravity, when the, under the reverse elasticity of the extension spring 25, the slide plate 24 is away from the switch 19, and when the water in the water storage tank 3 is reduced, under the action of gravity of the floating plate 22, the sliding plate 24 is pulled by the connecting rope to move upwards to press the switch 19, so that the external water pump starts to work, and an external water source is pumped into the water storage tank 3 to supplement the water source.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The self-cleaning anti-blocking filter screen comprises a filter screen body (12) rotatably installed in a mounting groove (1), and is characterized in that a reset spring (13) is fixedly connected between the end part of the filter screen body (12) and the inner wall of the mounting groove (1), the upper side wall of the mounting groove (1) is connected with a water inlet pipe (2), a guide rod (4) is arranged on the outer side of the mounting groove (1), a sliding block (5) is sleeved on the outer wall of the guide rod (4) in a sliding manner, an expansion spring (6) with two ends respectively fixedly connected with the upper side wall of the sliding block (5) and the outer wall of the guide rod (4) is sleeved on the outer wall of the upper end of the guide rod (4), an opening is formed in the outer wall of the mounting groove (1), an arc-shaped block (8) is slidably arranged in the opening, a connecting rod (7) is rotatably connected with the outer side wall of the, the end part of the filter screen body (12) is located at the lower side of the arc-shaped block (8), the upper side wall of the mounting groove (1) is provided with a water storage tank (3), the upper side wall of the sliding block (5) is fixedly connected with a cross rod (9), the end part of the cross rod (9) is fixedly connected with a water outlet pipe (10), the upper end of the water outlet pipe (10) is inserted into the lower side wall of the water storage tank (3), the lower end of the water outlet pipe (10) is inserted into the upper side wall of the mounting groove (1), a water outlet flow channel is arranged in the water outlet pipe (10), a limiting plate (14) is fixedly connected onto the outer wall of the mounting groove (1), a movable plate (15) is inserted onto the limiting plate (14), a connecting spring (17) is fixedly connected onto the end part of the movable plate (15), a bayonet (16) is arranged on the upper side wall of the movable plate (15), the outer wall of the mounting groove (1) is provided with a discharge hole, the end part of the movable plate (15) is integrally formed with an extending edge inserted in the discharge hole, and the movable plate (15) is provided with a reset mechanism.
2. A self-cleaning anti-clogging filter screen according to claim 1, characterised in that said outlet flow path is constituted by an upper chute (21) and a lower vertical channel (20) connected to the chute (21).
3. The self-cleaning anti-clogging filter screen according to claim 1, characterized in that the outer wall of the end of the water outlet pipe (10) located in the installation groove (1) is fixedly connected with a connecting rod, and the end of the connecting rod is fixedly connected with a blocking block (11) located under the water inlet pipe (2) and matched with the water inlet pipe (2).
4. The self-cleaning anti-blocking filter screen according to claim 1, wherein a water replenishing pipe is connected to the outer wall of the water storage tank (3), a floating plate (22) is slid in the water storage tank (3), a connecting pipe (23) is fixedly connected to the outer wall of the water storage tank (3), a sliding plate (24) is slid in the connecting pipe (23), a tension spring (25) is fixedly connected between the sliding plate (24) and the inner bottom wall of the connecting pipe (23), a connecting rope is fixedly connected between the floating plate (22) and the upper side wall of the sliding plate (24), and a switch (19) is fixedly mounted on the upper side wall of the connecting pipe (23).
5. A self-cleaning anti-clogging filter screen according to claim 1, characterized in that the resetting mechanism comprises a push rod (18) rotatably connected with the upper side wall of the moving plate (15), the end of the push rod (18) extends through the outer wall of the mounting groove (1) to the inside of the mounting groove (1) and is positioned at the lower side of the end of the filter screen body (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011115556.7A CN112403058A (en) | 2020-10-19 | 2020-10-19 | Self-cleaning anti-blocking filter screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011115556.7A CN112403058A (en) | 2020-10-19 | 2020-10-19 | Self-cleaning anti-blocking filter screen |
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CN112403058A true CN112403058A (en) | 2021-02-26 |
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CN202011115556.7A Pending CN112403058A (en) | 2020-10-19 | 2020-10-19 | Self-cleaning anti-blocking filter screen |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113842689A (en) * | 2021-10-22 | 2021-12-28 | 咸益建设有限公司 | Municipal administration is processing apparatus for sewage |
CN115300971A (en) * | 2022-09-29 | 2022-11-08 | 乐比(广州)健康产业有限公司 | Filter device for preparing breath freshener |
CN115784401A (en) * | 2022-12-08 | 2023-03-14 | 山东科泰环境监测有限公司 | Anti-blocking urban sewage treatment device |
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CN208611928U (en) * | 2018-06-29 | 2019-03-19 | 常州西源污水处理有限公司 | Integrated sewage disposal refuse collector |
CN209752291U (en) * | 2019-03-27 | 2019-12-10 | 林伟霞 | Sewage treatment cartridge filter |
CN209848446U (en) * | 2019-04-08 | 2019-12-27 | 福建刺桐花涂料科技有限公司 | Filter for paint production |
CN209940693U (en) * | 2019-04-19 | 2020-01-14 | 江苏苏亿环境工程有限公司 | Sewage treatment tank |
CN210736694U (en) * | 2019-10-09 | 2020-06-12 | 德化县仙铭生态农林有限公司 | Plate-type sealed filtering device for tea seed oil |
CN211114029U (en) * | 2019-09-14 | 2020-07-28 | 京誉生态建设有限公司 | A filter equipment is collected to rainwater for gardens water conservation |
CN111530201A (en) * | 2020-05-18 | 2020-08-14 | 郭学兵 | Water supply decontamination system for tower crane spraying machine |
CN111544934A (en) * | 2020-05-13 | 2020-08-18 | 胡国锋 | Sewage pipeline |
CN211447212U (en) * | 2019-10-28 | 2020-09-08 | 王碧群 | Garbage treatment filter equipment for municipal drainage |
CN211546045U (en) * | 2019-08-13 | 2020-09-22 | 连云港国旺塑业有限公司 | Sewage treatment equipment in woven bag production |
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US5579790A (en) * | 1995-04-12 | 1996-12-03 | White Consolidated Industries, Inc. | Filter screen with backflush |
CN208611928U (en) * | 2018-06-29 | 2019-03-19 | 常州西源污水处理有限公司 | Integrated sewage disposal refuse collector |
CN209752291U (en) * | 2019-03-27 | 2019-12-10 | 林伟霞 | Sewage treatment cartridge filter |
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CN211114029U (en) * | 2019-09-14 | 2020-07-28 | 京誉生态建设有限公司 | A filter equipment is collected to rainwater for gardens water conservation |
CN210736694U (en) * | 2019-10-09 | 2020-06-12 | 德化县仙铭生态农林有限公司 | Plate-type sealed filtering device for tea seed oil |
CN211447212U (en) * | 2019-10-28 | 2020-09-08 | 王碧群 | Garbage treatment filter equipment for municipal drainage |
CN111544934A (en) * | 2020-05-13 | 2020-08-18 | 胡国锋 | Sewage pipeline |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113842689A (en) * | 2021-10-22 | 2021-12-28 | 咸益建设有限公司 | Municipal administration is processing apparatus for sewage |
CN113842689B (en) * | 2021-10-22 | 2022-09-30 | 咸益建设有限公司 | Municipal administration is processing apparatus for sewage |
CN115300971A (en) * | 2022-09-29 | 2022-11-08 | 乐比(广州)健康产业有限公司 | Filter device for preparing breath freshener |
CN115300971B (en) * | 2022-09-29 | 2023-01-13 | 乐比(广州)健康产业有限公司 | Filter device for preparing breath freshener |
CN115784401A (en) * | 2022-12-08 | 2023-03-14 | 山东科泰环境监测有限公司 | Anti-blocking urban sewage treatment device |
CN115784401B (en) * | 2022-12-08 | 2023-09-19 | 山东科泰环境监测有限公司 | Anti-blocking urban sewage treatment device |
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