CN113577869A - Gypsum discharge pump import filter equipment - Google Patents

Gypsum discharge pump import filter equipment Download PDF

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Publication number
CN113577869A
CN113577869A CN202110880089.5A CN202110880089A CN113577869A CN 113577869 A CN113577869 A CN 113577869A CN 202110880089 A CN202110880089 A CN 202110880089A CN 113577869 A CN113577869 A CN 113577869A
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CN
China
Prior art keywords
base
filter
gypsum
discharge pump
barrel
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.)
Granted
Application number
CN202110880089.5A
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Chinese (zh)
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CN113577869B (en
Inventor
刘志林
赖余飞
田俊
黄德刚
袁原
刘定鳌
肖泽
蹇冉
邹胜龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Huadian Tongzi Power Generation Co Ltd
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Guizhou Huadian Tongzi Power Generation Co Ltd
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Publication date
Application filed by Guizhou Huadian Tongzi Power Generation Co Ltd filed Critical Guizhou Huadian Tongzi Power Generation Co Ltd
Priority to CN202110880089.5A priority Critical patent/CN113577869B/en
Publication of CN113577869A publication Critical patent/CN113577869A/en
Application granted granted Critical
Publication of CN113577869B publication Critical patent/CN113577869B/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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • 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
    • 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
    • B01D35/30—Filter housing constructions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/468—Purification of calcium sulfates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/20—Filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides a gypsum discharge pump inlet filtering device, which comprises an absorption tower discharge port, a pump body inlet, a filter unit and a filter unit, wherein the absorption tower discharge port is communicated with the pump body inlet; the filtering unit comprises a base and a filtering barrel arranged in the base, and the filtering barrel is detachably connected with the base; through increasing filter equipment in gypsum discharge pump import department, make large granule impurity kept apart in the absorption tower, unable entering dewatering system to improve gypsum and get rid of pump life, stop the gypsum swirler and block up, guarantee the gypsum quality.

Description

Gypsum discharge pump import filter equipment
Technical Field
The invention relates to the technical field of pump body filtration, in particular to an inlet filtering device of a gypsum discharge pump.
Background
At present, impurities in slurry of an absorption tower are conveyed to a gypsum cyclone through a gypsum discharge pump to be dehydrated in advance and then conveyed to a dehydrator. Because debris get into gypsum delivery pump and gypsum swirler, often lead to gypsum delivery pump impeller card to die, damage, the gypsum swirler blocks up, increases maintenance work load and influences dewatering system's safe and stable operation and gypsum quality, consequently needs increase filter equipment before the import of gypsum delivery pump.
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.
Therefore, the technical problem to be solved by the present invention is to overcome the defect of the prior art that impurities enter the pump body, thereby providing a gypsum discharge pump inlet filter device.
In order to solve the technical problems, the invention provides the following technical scheme: a gypsum discharge pump inlet filtering device comprises an absorption tower discharge port communicated with a pump body inlet, wherein a filtering unit is arranged between the absorption tower discharge port and the pump body inlet; the filter unit comprises a base and a filter vat arranged in the base, and the filter vat is detachably connected with the base.
As a preferable aspect of the inlet filter device of the gypsum discharge pump of the present invention, wherein: the filter vat is hollow cylindric, the filter vat is close to the one end of pump body import and is provided with the filter screen.
As a preferable aspect of the inlet filter device of the gypsum discharge pump of the present invention, wherein: the base is provided with the arc wall and is used for holding the filter vat, be provided with the locating piece on the filter vat, the last constant head tank that corresponds of base.
As a preferable aspect of the inlet filter device of the gypsum discharge pump of the present invention, wherein: the inner diameter of the filter barrel is equal to the inner diameters of the discharge port of the absorption tower and the inlet pipeline of the pump body, and the length of the filter barrel is equal to the distance between the end faces of the base.
As a preferable aspect of the inlet filter device of the gypsum discharge pump of the present invention, wherein: a plurality of strip-shaped grooves are formed in the lower portion of the filter barrel, and impurity discharging openings are formed in the lower portion of the base and used for discharging impurities obtained through internal filtering.
As a preferable aspect of the inlet filter device of the gypsum discharge pump of the present invention, wherein: the filter vat circumference is provided with the arc and slides with the filter vat and be connected, the sliding tray has been seted up to filter vat circumference, the arc with the sliding tray is orbital rotation.
As a preferable aspect of the inlet filter device of the gypsum discharge pump of the present invention, wherein: an operating handle is arranged on the arc-shaped plate.
As a preferable aspect of the inlet filter device of the gypsum discharge pump of the present invention, wherein: seal grooves are formed in the end faces of the two sides of the base, and seal rings are arranged in the seal grooves.
As a preferable aspect of the inlet filter device of the gypsum discharge pump of the present invention, wherein: the base is provided with the fixed block on the both sides terminal surface of base, the fixed block slides with the base along the direction of perpendicular to base terminal surface and is connected, the side of fixed block is provided with the spring, the spring other end is fixed on the base, the spring drives the fixed block all the time and removes to the position of keeping away from the base terminal surface.
As a preferable aspect of the inlet filter device of the gypsum discharge pump of the present invention, wherein: the fixed block is provided with a slope surface which is gradually inclined from top to bottom, and the bottom surface of the fixed block is flush with the uppermost end of the filter vat when the fixed block is installed in the base.
The invention has the beneficial effects that: through increasing filter equipment in gypsum discharge pump import department, make large granule impurity kept apart in the absorption tower, unable entering dewatering system to improve gypsum and get rid of pump life, stop the gypsum swirler and block up, guarantee the gypsum quality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a schematic view of an assembled filter device according to the present invention;
FIG. 2 is a schematic view of the structure of the base in cooperation with the absorption tower discharge port and the pump body inlet;
FIG. 3 is a schematic view of the overall structure of the filter vat;
FIG. 4 is an enlarged partial cross-sectional view of the fastener on the base;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures 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, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Example 1
This embodiment provides a gypsum discharge pump inlet filter arrangement, as shown in fig. 1-4, comprising,
absorption tower discharge port 101 communicates pump body import 102, is provided with filter unit 200 between absorption tower discharge port 101 and the pump body import 102, because can contain debris in the thick liquid that the absorption tower produced, consequently directly be connected absorption tower and gypsum discharge pump and can let debris get into the gypsum discharge pump in, lead to the gypsum discharge pump impeller card to happen to take place, consequently set up filter unit 200 between absorption tower discharge port 101 and pump body import 102, filter the impurity that the absorption tower produced and clear away.
Further, the filtering unit 200 includes a base 201 and a filtering barrel 202 disposed in the base 201, the filtering barrel 202 is detachably connected to the base 201, the filtering barrel 202 is hollow and cylindrical, a filtering net 202a is disposed at one end of the filtering barrel 202 close to the pump inlet 102, the liquid flowing out from the absorption tower outlet 101 enters the filtering barrel 202, the liquid can enter the pump through the filtering net 202a, impurities are left in the filtering barrel 202 to perform a filtering function, the base 201 is used for fixing the filtering barrel 202, the shape is not specified, the filtering barrel 202 and the filtering barrel 202 can be detachably connected, the filtering barrel 202 can be conveniently cleaned and replaced by utilizing bolts and the like.
Specifically, the base 201 is provided with arc 201a and is used for holding the filter vat 202, it can assemble with the filter vat 202 more easily to set to the arc, be provided with locating piece 202b on the filter vat 202, the last correspondence of base 201 is provided with constant head tank 201b, can fix the position of filter vat 202 through inserting constant head tank 201b with locating piece 202b, prevent random rotation, the internal diameter of filter vat 202 and absorption tower discharge port 101, pump body import 102 pipeline internal diameter equal, the length of filter vat 202 equals the distance between the base 201 terminal surface, make filter vat 202 can seamless assembly between the absorption tower and the pump body like this, can not produce the leakage of liquid.
Through set up the filter unit between the absorption tower and the pump body for the particulate matter of big grain is kept apart in the filter vat, can't get into dewatering system, thereby improves the life of gypsum discharge pump, prevents to take place to block up and damage.
Example 2
This embodiment differs from the previous embodiment in that, as shown in figures 1-4,
a plurality of strip-shaped grooves 202c are formed below the filter barrel 202, a trash discharge port 201c is formed below the base 201, the strip-shaped grooves 202c are wide and can contain large impurity particles, and the trash discharge port 201c is provided with a square opening and is used for discharging impurities obtained by internal filtration; the filter vat 202 is circumferentially provided with an arc-shaped plate 203 which is connected with the filter vat 202 in a sliding manner, the filter vat is circumferentially provided with a sliding groove 202d, the arc-shaped plate 203 rotates by taking the sliding groove 202d as a track, the arc-shaped plate 203 is semicircular and can block the strip-shaped groove 202c, whether the strip-shaped groove 202c acts can be controlled by rotating the arc-shaped plate 203, the arc-shaped plate 203 blocks the strip-shaped groove 202c under the conventional state, impurities collected in the filter vat 202 fall into the strip-shaped groove 202c, when the impurities need to be cleaned, the arc-shaped plate 203 is rotated, the impurities fall from the strip-shaped groove 202c and pass through the impurity discharge port 201c, and devices such as a recovery vat can be arranged at the lowest part to receive the filtered impurities; be provided with the operating handle on the arc 203, make things convenient for the staff to operate.
Further, seted up seal groove 201d on the both sides terminal surface of base 201, set up the sealing washer in the seal groove 201d, it is inseparabler to utilize the sealing washer to laminate when the terminal surface of base and the terminal surface contact of filter vat 202, can not let liquid spill in the clearance of contact.
Further, the two side end faces of the base 201 are provided with fixing blocks 204, the fixing blocks 204 are connected with the base 201 in a sliding mode along the direction perpendicular to the end face of the base 201, the side faces of the fixing blocks 204 are provided with springs 204a, the other ends of the springs 204a are fixed on the base 201, the springs 204a drive the fixing blocks 204 to move towards the positions far away from the end face of the base 201 all the time, the fixing blocks 204 are provided with slopes which are inclined gradually from top to bottom, and the bottom faces of the fixing blocks 204 flush with the uppermost ends of the filter barrels 202 when the fixing blocks are installed in the base 201. Utilize the fixed block 204 can conveniently assemble and dismantle filter vat 202, aim at the arc wall of base with filter vat 202, when removing filter vat 202 downwards, filter vat 202 contacts the domatic of fixed block 204, extrude fixed block 204 to spring 204a direction, then filter vat 202 is put into the arc wall smoothly, fixed block 204 receives the reaction force of spring 204a to rebound initial position, the lower extreme of fixed block 204 plays the effect of injecing towards filter vat 202 the top, prevent the vertical displacement of filter vat 202, the locating piece 202b and the constant head tank 201b cooperation of filter vat 202 prevent it from rolling, filter vat 202 is fixed completely this moment. When the filter barrel 202 needs to be detached, the fixing block 204 is manually pressed towards the spring 204a, and the filter barrel 202 is taken out.
Further, set up motor switch at filter vat 202 upper surface, touch motor switch on arc 203 pivoted route, set up the vibrating motor who is connected with motor switch on filter screen 202a, touch motor switch intercommunication circuit when arc 203 rotates, vibrating motor vibrates, with the impurity vibration of filter screen 202a fall filter vat 202 below, consequently, rotate the arc 203 and can clear up the impurity in the bar groove 202c simultaneously, still can clear up the impurity on the filter screen 202a simultaneously.
In this embodiment, even in the process of the absorption tower and the gypsum discharge pump running simultaneously, the impurities in the filtering unit 200 can be removed without affecting the work of the gypsum discharge pump, and when the filtering unit 200 needs to be replaced, the operation of the fixing block 204 can be completed very quickly and conveniently when the absorption tower and the gypsum discharge pump stop running. By utilizing the filtering device, the service life of the gypsum discharge pump can be prolonged, the blockage of a gypsum cyclone is avoided, and the quality of gypsum is ensured.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
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 (10)

1. The utility model provides a gypsum discharge pump import filter equipment which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the device comprises an absorption tower discharge port (101) and a communicated pump body inlet (102), wherein a filtering unit (200) is arranged between the absorption tower discharge port (101) and the pump body inlet (102);
the filtering unit (200) comprises a base (201) and a filtering barrel (202) arranged in the base (201), wherein the filtering barrel (202) is detachably connected with the base (201).
2. The gypsum discharge pump inlet filter apparatus of claim 1, wherein: the filter barrel (202) is hollow and cylindrical, and a filter screen (202a) is arranged at one end, close to the pump body inlet (102), of the filter barrel (202).
3. The gypsum discharge pump inlet filter apparatus of claim 2, wherein: the base (201) is provided with an arc-shaped groove (201a) for accommodating the filter barrel (202), a positioning block (202b) is arranged on the filter barrel (202), and a positioning groove (201b) is correspondingly arranged on the base (201).
4. A gypsum discharge pump inlet filter apparatus according to claim 3, wherein: the inner diameter of the filter barrel (202) is equal to the inner diameters of the absorption tower discharge port (101) and the pump body inlet (102) pipeline, and the length of the filter barrel (202) is equal to the distance between the end faces of the base (201).
5. The gypsum discharge pump inlet filter apparatus of claim 4, wherein: a plurality of strip-shaped grooves (202c) are formed in the lower portion of the filter barrel (202), and impurity discharging openings (201c) are formed in the lower portion of the base (201) and used for discharging impurities obtained through internal filtering.
6. The gypsum discharge pump inlet filter apparatus of claim 5, wherein: the filter vat (202) circumference is provided with arc (203) and slides with filter vat (202) and is connected, sliding tray (202d) have been seted up to filter vat circumference, arc (203) use sliding tray (202d) rotate as the track.
7. The gypsum discharge pump inlet filter apparatus of claim 6, wherein: an operating handle (203a) is arranged on the arc-shaped plate (203).
8. The gypsum discharge pump inlet filter apparatus of claim 7, wherein: a sealing groove (201d) is formed in the end faces of two sides of the base (201), and a sealing ring is arranged in the sealing groove (201 d).
9. The gypsum discharge pump inlet filter apparatus of claim 8, wherein: be provided with fixed block (204) on the both sides terminal surface of base (201), fixed block (204) and base (201) slide along the direction of perpendicular to base (201) terminal surface and be connected, the side of fixed block (204) is provided with spring (204a), the spring (204a) other end is fixed on base (201), and spring (204a) drive fixed block (204) all the time and remove to the position of keeping away from base (201) terminal surface.
10. The gypsum discharge pump inlet filter apparatus of claim 9, wherein: the filter screen is characterized in that a slope surface which is gradually inclined from top to bottom is arranged on the fixing block (204), and the bottom surface of the fixing block (204) is flush with the uppermost end of the filter barrel (202) when the fixing block is installed in the base (201).
CN202110880089.5A 2021-08-02 2021-08-02 Inlet filter device of gypsum discharge pump Active CN113577869B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN113577869B CN113577869B (en) 2023-05-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114308606A (en) * 2021-11-18 2022-04-12 华能碳资产经营有限公司 Power plant coal conveying pipeline particle filtering and recycling device

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CN208813535U (en) * 2018-09-08 2019-05-03 邓振全 A kind of automatic weighing hopper for seed packaging scale
KR101963373B1 (en) * 2018-11-05 2019-07-11 주식회사 투에이치 산업 Screen device for drain pump without power
CN209123473U (en) * 2018-09-21 2019-07-19 天津市国岭模具有限公司 A kind of valve tap with filter device
CN209270940U (en) * 2019-05-17 2019-08-20 新疆准东油田工程技术股份有限公司 A kind of petroleum underground piping filter device
CN209607644U (en) * 2019-04-19 2019-11-08 靳晓锴 A kind of power connection equipment being easily installed
CN211836598U (en) * 2019-12-03 2020-11-03 深圳市红树林环保科技有限公司 Pollution source water quality pretreatment device
CN212745955U (en) * 2020-06-05 2021-03-19 浙江医药工业设计院有限公司 Drain valve
CN213039906U (en) * 2020-08-03 2021-04-23 大连富诺机器有限公司 Valve body with water filtering function
CN213419960U (en) * 2020-09-04 2021-06-11 杭州中奥工业设计有限公司 Blowoff valve based on vector removes
CN112973251A (en) * 2021-02-08 2021-06-18 张家轩 Water conservancy pre buried pipeline prevents stifled system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002026472A1 (en) * 2000-09-26 2002-04-04 Helmut Bacher Device and method for the filtration of viscous material
CA2574255A1 (en) * 2006-02-01 2007-08-01 Weatherford/Lamb, Inc. Helical internal support structure for intake screens
CN107441812A (en) * 2017-08-14 2017-12-08 华电电力科学研究院 A kind of filter method of gypsum excavationg pump ingress filtering device and gypsum discharge
CN208813535U (en) * 2018-09-08 2019-05-03 邓振全 A kind of automatic weighing hopper for seed packaging scale
CN209123473U (en) * 2018-09-21 2019-07-19 天津市国岭模具有限公司 A kind of valve tap with filter device
KR101963373B1 (en) * 2018-11-05 2019-07-11 주식회사 투에이치 산업 Screen device for drain pump without power
CN209607644U (en) * 2019-04-19 2019-11-08 靳晓锴 A kind of power connection equipment being easily installed
CN209270940U (en) * 2019-05-17 2019-08-20 新疆准东油田工程技术股份有限公司 A kind of petroleum underground piping filter device
CN211836598U (en) * 2019-12-03 2020-11-03 深圳市红树林环保科技有限公司 Pollution source water quality pretreatment device
CN212745955U (en) * 2020-06-05 2021-03-19 浙江医药工业设计院有限公司 Drain valve
CN213039906U (en) * 2020-08-03 2021-04-23 大连富诺机器有限公司 Valve body with water filtering function
CN213419960U (en) * 2020-09-04 2021-06-11 杭州中奥工业设计有限公司 Blowoff valve based on vector removes
CN112973251A (en) * 2021-02-08 2021-06-18 张家轩 Water conservancy pre buried pipeline prevents stifled system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114308606A (en) * 2021-11-18 2022-04-12 华能碳资产经营有限公司 Power plant coal conveying pipeline particle filtering and recycling device

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