CN110898493A - Hydraulic engineering environment-friendly purification and filtration equipment - Google Patents

Hydraulic engineering environment-friendly purification and filtration equipment Download PDF

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Publication number
CN110898493A
CN110898493A CN201911254400.4A CN201911254400A CN110898493A CN 110898493 A CN110898493 A CN 110898493A CN 201911254400 A CN201911254400 A CN 201911254400A CN 110898493 A CN110898493 A CN 110898493A
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CN
China
Prior art keywords
wall
box
filter
filtration equipment
friendly purification
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Pending
Application number
CN201911254400.4A
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Chinese (zh)
Inventor
王长波
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Individual
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Individual
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Priority to CN201911254400.4A priority Critical patent/CN110898493A/en
Publication of CN110898493A publication Critical patent/CN110898493A/en
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    • 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
    • B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—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 multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—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 multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • 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
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the 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
    • B01D29/88—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
    • B01D29/94—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 the filter cake, e.g. chutes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/06—Contaminated groundwater or leachate

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses an environment-friendly purification and filtration device for hydraulic engineering, and belongs to the technical field of hydraulic engineering. The environment-friendly purification and filtration equipment for the hydraulic engineering comprises a filtration tank and a collection tank, wherein the outer walls of two sides of the filtration tank are respectively connected with a water inlet pipe flange and a water outlet pipe flange, a feeding tank is connected between the filtration tank and the collection tank, a fixed block is also connected in the filtration tank, a circular table groove is arranged on the fixed block, a first filter screen and a second filter screen are respectively connected in the circular table groove, the bottom of the filtration tank is also connected with a blanking tank corresponding to a through hole, the inner wall of the blanking tank is fixedly connected with a sliding plate, the inner wall of the sliding plate is slidably connected with a blanking plate, and the blanking tank and the feeding tank are respectively provided with a blanking hole communicated with each; the invention can effectively collect the silt in the sewage, avoid direct discharge to pollute the environment, avoid resource waste, and simultaneously, the silt recovery is more sufficient and the operation is convenient.

Description

Hydraulic engineering environment-friendly purification and filtration equipment
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to an environment-friendly purification and filtration device for hydraulic engineering.
Background
Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting, and is also called water engineering; water is a valuable resource essential to human production and life, but the naturally existing state of the water does not completely meet the needs of human beings, and only when water conservancy projects are built, water flow can be controlled, flood disasters are prevented, and water quantity is regulated and distributed to meet the needs of the people's life and production on water resources.
In daily hydraulic engineering, can contain silt in the water resource, all directly discharge after carrying out sewage treatment usually, not only can the polluted environment, cause the waste of resource moreover, current can't realize going on smoothly to the abundant recovery of silt to the device that silt was retrieved, can influence the recovery work.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an environment-friendly purification and filtration device for hydraulic engineering.
In order to achieve the purpose, the invention adopts the following technical scheme:
an environment-friendly purification and filtration device for hydraulic engineering comprises a filtration tank and a collection box, wherein the outer walls of the two sides of the filtration tank are respectively connected with a water inlet pipe flange and a water outlet pipe flange, the filtration tank is arranged above the collection box, and a feeding box is connected between the filter box and the collecting box and communicated with the collecting box, a fixed block is connected in the filter box, a circular platform groove is arranged on the fixed block, a first filter screen and a second filter screen are respectively connected in the circular platform groove, the circular table groove is communicated with the water outlet pipe flange through a connecting pipe, the bottom of the filter box is also provided with a through hole, the bottom of the filter box is also connected with a blanking box corresponding to the through hole, the inner wall of the blanking box is fixedly connected with a sliding plate, the inner wall sliding connection of slide has down the flitch, all be equipped with the unloading hole that is linked together on unloading case and the feed box.
Preferably, the first filter screen is arranged at one end, close to the through hole, of the circular truncated cone groove, and the second filter screen is arranged at one end, close to the connecting pipe, of the circular truncated cone groove.
Preferably, a gap is formed between the bottom of the first filter screen and the outer wall of the bottom of the circular table groove.
Preferably, the inner wall of the filter box is further connected with a limiting block, so that silt can flow conveniently.
Preferably, the inner wall fixedly connected with diaphragm of slide, be connected with the cylinder between the bottom inner wall of diaphragm and workbin down, the output of cylinder is connected with the push pedal that is used for promoting the flitch down.
Preferably, the top of the blanking plate is obliquely arranged, the bottom of the blanking plate is connected with a sliding rod, and the sliding rod is connected to the transverse plate in a sliding mode.
Preferably, the outer wall of the sliding rod is sleeved with a spring, and the spring is connected between the bottom of the blanking plate and the top wall of the transverse plate.
Preferably, the bottom of flitch is equipped with the baffle down, the inner wall of slide is equipped with the shrinkage pool, the shrinkage pool in-connection has the position sensor corresponding with the baffle, position sensor links to each other with the cylinder signal.
Preferably, the inner wall of the collecting box is obliquely provided with a filter plate.
Preferably, the outer wall of the bottom of the collecting box is provided with a drain pipe, and the outer wall of the collecting box is also provided with a discharge hole corresponding to the filter plate.
Compared with the prior art, the invention provides an environment-friendly purification and filtration device for hydraulic engineering, which has the following beneficial effects:
1. when the water conservancy engineering environment-friendly purification and filtration equipment needs to be used, a water inlet pipe flange and a water outlet pipe are connected through a water pipe, so that water flow can flow into a filter box through the water inlet pipe flange, then silt in the water flow can slide onto a blanking plate in a through hole under the assistance of a limiting block, the silt can be filtered twice by a first filter screen and a second filter screen, so that the silt is discharged more fully, the mesh number of the first filter screen is larger than that of the second filter screen, so that the silt can be filtered more finely, the silt can flow out from a gap between a circular platform groove and the first filter screen after passing through the second filter screen, so that the silt can be discharged conveniently, the circular platform groove is convenient for the silt to fall onto a blanking plate, and when the silt on the blanking plate is more, the blanking plate can be pressed to move downwards, so that the silt on the blanking plate enters a feed box from the blanking hole, thereby from the feeding case entering collecting box, then on falling the filter in the collecting box, the rivers that flow into in the collecting box then can get into the bottom of collecting box through the filter, then discharge through the drain pipe, because the filter slope sets up, can make silt conveniently discharge from the discharge opening in proper order.
2. This hydraulic engineering environment-friendly purification and filtration equipment, when unloading board downstream, can drive the baffle downstream to make the baffle block the position sensor in the concave hole on the slide, then position sensor then can signals, thereby make cylinder work, promote down the flitch through the push pedal and rise, carry out the collection to silt once more, the spring then can make the unloading board slowly descend, convenient operation.
The part which is not involved in the device is the same as the prior art or can be realized by adopting the prior art, the silt in the sewage can be effectively collected, the direct discharge is avoided, the environment pollution is avoided, the resource waste is avoided, the silt is more fully recovered, and the operation is convenient.
Drawings
FIG. 1 is a schematic structural view of an environment-friendly purification and filtration apparatus for water conservancy projects according to the present invention;
FIG. 2 is a schematic sectional view of a water conservancy environment-friendly purification and filtration apparatus according to the present invention;
FIG. 3 is a schematic sectional view of a feed box and a feed box of an environment-friendly purification and filtration device for water conservancy projects according to the present invention;
FIG. 4 is a schematic sectional view of a filter box of an environmental-friendly purification and filtration device for water conservancy projects according to the present invention;
fig. 5 is a schematic structural view of a fixing block of the hydraulic engineering environment-friendly purification and filtration equipment provided by the invention.
In the figure: 1. a filter box; 101. a water inlet pipe flange; 102. a water outlet pipe flange; 103. a fixed block; 104. a first filter screen; 105. a second filter screen; 106. a connecting pipe; 107. a through hole; 108. a limiting block; 2. a blanking box; 201. a transverse plate; 202. a cylinder; 203. a slide plate; 204. a position sensor; 205. pushing the plate; 3. a feeding box; 301. a blanking hole; 4. a collection box; 401. a drain pipe; 402. a filter plate; 403. a discharge hole; 5. a blanking plate; 501. a baffle plate; 502. a slide bar; 503. a spring.
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. 1-5, an environment-friendly purification and filtration device for water conservancy projects comprises a filtration tank 1 and a collection box 4, wherein the outer walls of two sides of the filtration tank 1 are respectively connected with a water inlet pipe flange 101 and a water outlet pipe flange 102, the filtration tank 1 is arranged above the collection box 4, and be connected with feed box 3 between rose box 1 and the collecting box 4, feed box 3 is linked together with collecting box 4, still be connected with fixed block 103 in the rose box 1, be equipped with the round platform groove on the fixed block 103, the round platform inslot is connected with first filter screen 104 and second filter screen 105 respectively, the round platform groove is linked together through connecting pipe 106 with outlet pipe flange 102, the bottom of rose box 1 still is equipped with through-hole 107, the bottom of rose box 1 still is connected with feed box 2 corresponding with through-hole 107, the inner wall fixedly connected with slide 203 of feed box 2, the inner wall sliding connection of slide 203 has unloading board 5, all be equipped with the feed opening 301 that is linked together on feed box 3 with feed box 2.
The first filter screen 104 is arranged at one end of the circular truncated cone groove close to the through hole 107, and the second filter screen 105 is arranged at one end of the circular truncated cone groove close to the connecting pipe 106.
A gap is arranged between the bottom of the first filter screen 104 and the outer wall of the bottom of the circular table groove.
The inner wall of the filter box 1 is also connected with a limiting block 108, so that the silt can flow conveniently.
The inner wall fixedly connected with diaphragm 201 of slide 203, be connected with cylinder 202 between diaphragm 201 and the bottom inner wall of feed box 2, the output of cylinder 202 is connected with the push pedal 205 that is used for promoting flitch 5 down.
The top of blanking plate 5 sets up in the slope, and the bottom of blanking plate 5 is connected with slide bar 502, and slide bar 502 sliding connection is on diaphragm 201.
The outer wall of the sliding rod 502 is sleeved with a spring 503, and the spring 503 is connected between the bottom of the blanking plate 5 and the top wall of the transverse plate 201.
The bottom of flitch 5 is equipped with baffle 501 down, and the inner wall of slide 203 is equipped with the shrinkage pool, and the shrinkage pool in-connection has the position sensor 204 corresponding with baffle 501, and position sensor 204 links to each other with cylinder 202 signal.
The inner wall of the collection tank 4 is provided with a filter plate 402 obliquely.
The outer wall of the bottom of the collecting box 4 is provided with a drain pipe 401, and the outer wall of the collecting box 4 is also provided with a discharge hole 403 corresponding to the filter plate 402.
In the invention, when the filter box is required to be used, the water inlet pipe flange 101 and the water outlet pipe flange 102 are connected through the water pipe, so that water flow can flow into the filter box 1 through the water inlet pipe flange 101, then silt in the water flow can slide onto the blanking plate 5 in the through hole 107 under the assistance of the limiting block 108, the first filter screen 104 and the second filter screen 105 can filter the silt twice, so that the silt is discharged more fully, the mesh number of the first filter screen 104 is larger than that of the second filter screen 105, so that the silt can be filtered more finely, when the silt passes through the second filter screen 105, the silt can flow out from a gap between the circular truncated cone groove and the first filter screen 104, so that the silt is conveniently discharged, the circular truncated cone groove is convenient for the silt to fall onto the blanking plate 5, when the silt on the blanking plate 5 is more, the blanking plate 5 can be pressed to move downwards, so that the silt on the blanking plate 5 enters the feed box 3 from the blanking hole 301, thereby in getting into collecting box 4 from feed box 3, then on falling the filter 402 in the collecting box 4, the rivers that flow into in the collecting box 4 then can get into the bottom of collecting box 4 through filter 402, then discharge through drain pipe 401, because filter 402 slope sets up, can make silt conveniently discharge from discharge opening 403 in proper order.
Flitch 5 downstream down can drive baffle 501 downstream to make baffle 501 block slide 203 in the downthehole position sensor 204, then position sensor 204 then can signals, thereby make cylinder 202 work, promote down flitch 5 through push pedal 205 and rise, carry out the collection to silt once more, spring 503 then can make down flitch 5 slowly descend convenient operation.
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 (10)

1. The water conservancy engineering environment-friendly purification and filtration equipment comprises a filter box (1) and a collection box (4), and is characterized in that the outer walls of two sides of the filter box (1) are respectively connected with a water inlet pipe flange (101) and a water outlet pipe flange (102), the filter box (1) is arranged above the collection box (4), a feeding box (3) is connected between the filter box (1) and the collection box (4), the feeding box (3) is communicated with the collection box (4), a fixed block (103) is further connected in the filter box (1), a circular table groove is arranged on the fixed block (103), a first filter screen (104) and a second filter screen (105) are respectively connected in the circular table groove, the circular table groove is communicated with the water outlet pipe flange (102) through a connecting pipe (106), a through hole (107) is further arranged at the bottom of the filter box (1), a lower material box (2) corresponding to the through hole (107) is further connected at the bottom of the filter box (1), the inner wall fixedly connected with slide (203) of workbin (2) down, the inner wall sliding connection of slide (203) has flitch (5) down, all be equipped with unloading hole (301) that are linked together on workbin (2) down and feeding case (3).
2. The hydraulic engineering environment-friendly purification and filtration equipment according to claim 1, wherein the first filter screen (104) is arranged at one end of the circular truncated cone groove close to the through hole (107), and the second filter screen (105) is arranged at one end of the circular truncated cone groove close to the connecting pipe (106).
3. The hydraulic engineering environment-friendly purification and filtration equipment as claimed in claim 2, wherein a gap is provided between the bottom of the first filter screen (104) and the outer wall of the bottom of the circular truncated cone groove.
4. The water conservancy environment-friendly purification and filtration equipment as claimed in claim 3, wherein the inner wall of the filter box (1) is further connected with a limiting block (108) to facilitate the flow of silt.
5. The environment-friendly purification and filtration equipment for water conservancy projects as claimed in claim 1, wherein a transverse plate (201) is fixedly connected to the inner wall of the sliding plate (203), an air cylinder (202) is connected between the transverse plate (201) and the inner wall of the bottom of the blanking box (2), and the output end of the air cylinder (202) is connected with a push plate (205) for pushing the blanking plate (5).
6. The hydraulic engineering environment-friendly purification and filtration equipment as claimed in claim 5, wherein the top of the blanking plate (5) is obliquely arranged, the bottom of the blanking plate (5) is connected with a slide rod (502), and the slide rod (502) is slidably connected to the transverse plate (201).
7. The hydraulic engineering environment-friendly purification and filtration equipment as claimed in claim 6, wherein the outer wall of the slide rod (502) is sleeved with a spring (503), and the spring (503) is connected between the bottom of the blanking plate (5) and the top wall of the transverse plate (201).
8. The hydraulic engineering environment-friendly purification and filtration equipment according to claim 7, wherein the bottom of the blanking plate (5) is provided with a baffle (501), the inner wall of the sliding plate (203) is provided with a concave hole, a position sensor (204) corresponding to the baffle (501) is connected in the concave hole, and the position sensor (204) is in signal connection with the cylinder (202).
9. An environment-friendly purification and filtration equipment for water conservancy projects as claimed in any one of claims 1 to 8, wherein the inner wall of the collection box (4) is provided with filter plates (402) in an inclined manner.
10. The hydraulic engineering environment-friendly purification and filtration equipment according to claim 9, wherein the bottom outer wall of the collection box (4) is provided with a drain pipe (401), and the outer wall of the collection box (4) is further provided with a discharge hole (403) corresponding to the filter plate (402).
CN201911254400.4A 2019-12-09 2019-12-09 Hydraulic engineering environment-friendly purification and filtration equipment Pending CN110898493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911254400.4A CN110898493A (en) 2019-12-09 2019-12-09 Hydraulic engineering environment-friendly purification and filtration equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911254400.4A CN110898493A (en) 2019-12-09 2019-12-09 Hydraulic engineering environment-friendly purification and filtration equipment

Publications (1)

Publication Number Publication Date
CN110898493A true CN110898493A (en) 2020-03-24

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CN201911254400.4A Pending CN110898493A (en) 2019-12-09 2019-12-09 Hydraulic engineering environment-friendly purification and filtration equipment

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112742107A (en) * 2020-12-18 2021-05-04 朱运鹏 Sand-containing wastewater purification joint for building floor
CN117018751A (en) * 2023-08-21 2023-11-10 延安大学 Quick cleaning mud filter for petroleum and natural gas drilling pump

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Publication number Priority date Publication date Assignee Title
JPH09239288A (en) * 1996-03-12 1997-09-16 Fukazawa Kenzai:Kk Method for separation treatment of excavated surplus soil and sludge and apparatus therefor
JP2012106219A (en) * 2010-11-19 2012-06-07 Km Kankyo Giken:Kk Multi-stage filter
CN104987876A (en) * 2015-06-17 2015-10-21 成都高普石油工程技术有限公司 Closed filtering device for screening petroleum stock solution containing sulfur
CN107352282A (en) * 2017-07-31 2017-11-17 安徽诺鑫自动化设备有限公司 A kind of automatic feeding and discharging device for fixed-end forces
CN208115697U (en) * 2017-11-07 2018-11-20 合肥迈拓新材料技术有限公司 A kind of surface application agent mixing dosing device
CN208694378U (en) * 2018-08-15 2019-04-05 贵州中大方正水务环保有限公司 A kind of straight-through type filter

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Publication number Priority date Publication date Assignee Title
JPH09239288A (en) * 1996-03-12 1997-09-16 Fukazawa Kenzai:Kk Method for separation treatment of excavated surplus soil and sludge and apparatus therefor
JP2012106219A (en) * 2010-11-19 2012-06-07 Km Kankyo Giken:Kk Multi-stage filter
CN104987876A (en) * 2015-06-17 2015-10-21 成都高普石油工程技术有限公司 Closed filtering device for screening petroleum stock solution containing sulfur
CN107352282A (en) * 2017-07-31 2017-11-17 安徽诺鑫自动化设备有限公司 A kind of automatic feeding and discharging device for fixed-end forces
CN208115697U (en) * 2017-11-07 2018-11-20 合肥迈拓新材料技术有限公司 A kind of surface application agent mixing dosing device
CN208694378U (en) * 2018-08-15 2019-04-05 贵州中大方正水务环保有限公司 A kind of straight-through type filter

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Title
胡海清: "《气压与液压传动控制技术 第3版》", 31 August 2013 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112742107A (en) * 2020-12-18 2021-05-04 朱运鹏 Sand-containing wastewater purification joint for building floor
CN112742107B (en) * 2020-12-18 2022-07-05 魏元荣 Sand-containing wastewater purification joint for building floor
CN117018751A (en) * 2023-08-21 2023-11-10 延安大学 Quick cleaning mud filter for petroleum and natural gas drilling pump

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Application publication date: 20200324