CN113582363A - Anti-blocking filter pipeline - Google Patents

Anti-blocking filter pipeline Download PDF

Info

Publication number
CN113582363A
CN113582363A CN202110902067.4A CN202110902067A CN113582363A CN 113582363 A CN113582363 A CN 113582363A CN 202110902067 A CN202110902067 A CN 202110902067A CN 113582363 A CN113582363 A CN 113582363A
Authority
CN
China
Prior art keywords
filter
pipeline body
plate
conduction
filter pipeline
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.)
Withdrawn
Application number
CN202110902067.4A
Other languages
Chinese (zh)
Inventor
陈万强
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202110902067.4A priority Critical patent/CN113582363A/en
Publication of CN113582363A publication Critical patent/CN113582363A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus

Landscapes

  • 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 anti-blocking filter pipeline which comprises a filter pipeline body, wherein the filter pipeline body is in a reverse Z shape, a second filter plate is vertically and fixedly arranged in the filter pipeline body, a sealing shield is arranged at the position, located on the second filter plate, of the filter pipeline body, the sealing shield is embedded in the side wall of the filter pipeline body in a sealing mode, and a plurality of second filter holes are formed in the second filter plate at equal intervals. According to the filter, the convex disc can push the sliding rod to reciprocate left and right through the push-pull rod in the rotating process, the sliding rod can drive the conduction plate to reciprocate left and right, the conduction plate can drive the first conduction rod to dredge the second filter hole in the second filter plate continuously, the second filter plate is prevented from being blocked, meanwhile, sewage can be filtered again through the conduction plate after passing through the second filter plate, meanwhile, the second conduction rod on the second filter plate can dredge the first filter hole in the conduction plate, the blockage of the conduction plate is avoided, and the filtering effect of the filtering pipeline body is improved.

Description

Anti-blocking filter pipeline
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an anti-blocking filter pipeline.
Background
The sewage is always the main cause of water source pollution, and along with the progress of society, the sewage is generally filtered and purified when being discharged.
The existing filtering method is that sewage is firstly introduced into a treatment pipeline, the sewage is filtered by a filter element in a filtering pipeline, but the filter hole in the filter element is easily blocked by impurities after long-term filtering, and then the filtering effect of the filter element is reduced.
In order to solve the problems, the invention provides an anti-blocking filter pipeline.
Disclosure of Invention
The invention aims to overcome the defects that in the prior art, sewage is firstly introduced into a treatment pipeline and is filtered by a filter element in a filter pipeline, but after long-term filtration, impurities are easy to block filter holes in the filter element, so that the filter effect of the filter element is reduced, and thus the anti-blocking filter pipeline is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anti-blocking filter pipeline comprises a filter pipeline body, wherein the filter pipeline body is reverse Z-shaped, a second filter plate is vertically and fixedly installed in the filter pipeline body, a sealing shield is arranged at the position, located at the second filter plate, of the filter pipeline body, the sealing shield is embedded in the side wall of the filter pipeline body in a sealing mode, a plurality of second filter holes are formed in the second filter plate at equal intervals, a plurality of second guide rods are arranged on the left side of each second filter plate at equal intervals, the guide rods and the second filter holes are arranged at intervals, impellers are arranged in the filter pipeline body and are rotatably connected to the inner wall of the filter pipeline body through connecting shafts, the upper end of the filter pipeline body penetrates through the upper end face of the filter pipeline body and is fixedly provided with a connecting shaft, a convex disc is fixedly installed at the upper end of the connecting shaft, and a purification mechanism is arranged on the left side of the top plate, the filter comprises a convex disc, a filter pipeline body, a guide plate, a guide rod, a sliding rod, a guide plate, a plurality of first filter holes, a plurality of second filter holes, a plurality of first guide rods, a plurality of second filter holes and a plurality of filter rods, wherein the upper end face of the convex disc is connected with the sliding rod in a rotating mode, one end of the sliding rod, which deviates from the convex disc, is connected with the sliding rod in a rotating mode, the other end of the sliding rod penetrates through the side wall of the filter pipeline body and is fixedly provided with the guide plate, the guide plate is connected in the filter pipeline body in a sliding mode, the side wall of the guide plate is provided with the first filter holes at equal intervals, the first guide rods are fixedly connected with the right side wall of the guide plate at equal intervals, the first guide rods are corresponding to the second filter holes, and the first filter holes are corresponding to the second guide rods.
Preferably, purification mechanism includes riser, installation pipe and liquid reserve tank, riser fixed mounting is at the up end of filter piping body, installation pipe fixed mounting is on the lateral wall of riser, liquid reserve tank fixed mounting is on the lateral wall of riser, the liquid reserve tank is located the top of installation pipe, be provided with the intake pipe between liquid reserve tank and the installation pipe jointly.
Preferably, the lower extreme of liquid reserve tank is provided with communicating pipe No. one, the other end of communicating pipe run through the lateral wall of filter pipeline body and with this internal mutual intercommunication of filter pipeline, be provided with the individual valve No. one in communicating pipe No. one, the left side of liquid reserve tank is provided with the feed liquor pipe, the other end of feed liquor pipe runs through the lateral wall of riser and communicates each other with the purifying liquid case, be provided with the individual valve No. two in the feed liquor pipe.
Preferably, the installation pipe is internally and transversely connected with a sealing sliding plug in a sliding manner, the left end of the sealing sliding plug is symmetrically provided with two springs, each spring is fixedly installed on the inner wall of the sealing sliding plug, the center of the right side wall of the sealing sliding plug is fixedly provided with a connecting cross rod, the other end of the connecting cross rod penetrates through the side wall of the right end of the installation pipe and is fixedly connected with a top plate, and the top plate is in sliding connection with the convex disc.
Compared with the prior art, the invention has the beneficial effects that:
when sewage flows into the filter pipeline body, after the filtration of No. two filter plates, when again through the impeller, can drive the impeller rotation, and then drive the axis of rotation and rotate, the axis of rotation can drive the flange and rotate, flange pivoted in-process can promote reciprocating motion about the slide bar through the push-and-pull rod, the slide bar can drive the conduction board reciprocating motion about the right and left, the conduction board can drive that the conduction rod is continuous to dredge No. two filtration pores on No. two filter plates, prevent that No. two filter plates from appearing blockking up, sewage can filter once more through the conduction board after No. two filter plates simultaneously, No. two conduction rods on No. two filter plates also can dredge No. one filtration pore on the conduction board simultaneously, the blockage of the conduction board has also been avoided, the filter effect of filter pipeline body has been improved.
Drawings
Fig. 1 is a schematic front structural view of an anti-blocking filter pipeline according to the present invention;
fig. 2 is a schematic diagram of a partial enlarged structure of the right end of the anti-blocking filter pipeline provided by the invention.
In the figure: the filter comprises a sealing shielding plate 1, a filter pipeline body 2, a push-pull rod 3, a sliding rod 4, a communicating pipe 5I, a liquid storage tank 6, a liquid inlet pipe 7, an air inlet pipe 8, a sealing sliding plug 9, a top plate 10, a convex disc 11, a rotating shaft 12, a connecting cross rod 13, a spring 14, an installation pipe 15, a vertical plate 16, an impeller 17, a conduction plate 18, a conduction rod 19I, a filter hole 20 II and a filter plate 21 II.
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. 1-2, an anti-blocking filtering pipeline, includes a filtering pipeline body 2, the filtering pipeline body 2 is reverse Z-shaped, a second filter plate 21 is vertically and fixedly installed in the filtering pipeline body 2, a sealing shield plate 1 is arranged at the position of the filtering pipeline body 2 where the second filter plate 21 is located, the sealing shield plate 1 is embedded in the side wall of the filtering pipeline body 2 in a sealing manner, a plurality of second filter holes 20 are equidistantly formed in the second filter plate 21, a plurality of second conducting rods are equidistantly arranged on the left side of each second filter plate 21, the plurality of conducting rods and the plurality of second filter holes 20 are alternately arranged, an impeller 17 is arranged in the filtering pipeline body 2, the impeller 17 is rotatably connected to the inner wall of the filtering pipeline body 2 through a connecting shaft, the upper end of the connecting shaft penetrates through the upper end face of the filtering pipeline body 2 and is fixedly installed with a rotating shaft 12, the upper end fixed mounting of axis of rotation 12 has flange 11, the left side of roof 10 is provided with purification mechanism, flange 11 up end rotates and is connected with push-and-pull rod 3, the one end that push-and-pull rod 3 deviates from flange 11 rotates and is connected with slide bar 4, slide bar 4's the other end runs through the lateral wall of filter tube body 2 and fixed mounting has conduction plate 18, conduction plate 18 sliding connection is in filter tube body 2, equidistant a plurality of filtration holes of having seted up on conduction plate 18's the lateral wall, equidistant a plurality of conduction rod 19 of fixedly connected with on conduction plate 18's the right side wall, every conduction rod 19 all is corresponding with No. two filtration holes 20, every filtration hole all is corresponding with No. two conduction rods.
The purifying mechanism comprises a vertical plate 16, a mounting pipe 15 and a liquid storage tank 6, wherein the vertical plate 16 is fixedly mounted on the upper end surface of the filtering pipeline body 2, the mounting pipe 15 is fixedly mounted on the side wall of the vertical plate 16, the liquid storage tank 6 is positioned above the mounting pipe 15, and an air inlet pipe 8 is jointly arranged between the liquid storage tank 6 and the mounting pipe 15;
the lower end of the liquid storage tank 6 is provided with a first communicating pipe 5, the other end of the first communicating pipe 5 penetrates through the side wall of the filtering pipeline body 2 and is communicated with the inside of the filtering pipeline body 2, a first single valve is arranged in the first communicating pipe 5, the left side of the liquid storage tank 6 is provided with a liquid inlet pipe 7, the other end of the liquid inlet pipe 7 penetrates through the side wall of the vertical plate 16 and is communicated with the purified liquid tank, and a second single valve is arranged in the liquid inlet pipe 7;
the installation pipe 15 is internally and transversely connected with a sealing sliding plug 9 in a sliding manner, the left end of the sealing sliding plug 9 is symmetrically provided with two springs 14, each spring 14 is fixedly installed on the inner wall of the sealing sliding plug 9, the center of the right side wall of the sealing sliding plug 9 is fixedly provided with a connecting cross rod 13, the other end of the connecting cross rod 13 penetrates through the right side wall of the installation pipe 15 and is fixedly connected with a top plate 10, and the top plate 10 is in sliding connection with a convex disc 11.
In the invention, when sewage flows into the filtering pipeline body 2, after being filtered by the second filter plate 21, and then passes through the impeller 17, the sewage drives the impeller 17 to rotate, so as to drive the rotating shaft 12 to rotate, the rotating shaft 12 drives the convex disc 11 to rotate, the push-pull rod 3 pushes the slide rod 4 to reciprocate left and right in the rotating process of the convex disc 11, the slide rod 4 drives the conduction plate 18 to reciprocate left and right, the conduction plate 18 drives the first conduction rod 19 to continuously dredge the second filter hole 20 on the second filter plate 21, so that the second filter plate 21 is prevented from being blocked, meanwhile, the sewage passes through the second filter plate 21 and then is filtered again by the conduction plate 18, meanwhile, the second conduction rod on the second filter plate 21 can also dredge the first filter hole on the conduction plate 18, the blockage of the conduction plate 18 is also avoided, and the filtering effect of the filtering pipeline body 2 is improved;
specifically, protruding dish 11 extrusion roof 10 that can be continuous in the time of the pivoted, make roof 10 continuous through sealed sliding plug 9 compression spring 14, with the air in spring 14 impress in the liquid reserve tank 6 through intake pipe 8, make the atmospheric pressure increase in the liquid reserve tank 6, and then make the scavenging solution in the liquid reserve tank 6 get into in the filter tube body 2 through communicating pipe 5, purify sewage, and simultaneously, when sealed sliding plug 9 moves right, can make the atmospheric pressure in the liquid reserve tank 6 reduce, and then make external scavenging solution pass through feed liquor pipe 7 and get into in the liquid reserve tank 6, when connecting horizontal pole 13 and moving left once more, can purify sewage in the filter tube body 2 impresses the scavenging solution in the liquid reserve tank 6 through communicating pipe 5.
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 (4)

1. The utility model provides an anti-blocking filter pipeline, includes filter pipeline body (2), its characterized in that, filter pipeline body (2) is reverse Z style of calligraphy, vertical fixed mounting has No. two filter plates (21) in filter pipeline body (2), the position department that filter pipeline body (2) are located No. two filter plates (21) is provided with sealed sunshade (1), sealed sunshade (1) is sealed to be inlayed in the lateral wall of filter pipeline body (2), equidistant a plurality of No. two filtration pores (20) of having seted up in No. two filter plates (21), every the impartial interval in left side of No. two filter plates (21) is provided with a plurality of No. two lead-through poles, and a plurality of alternate setting between lead-through pole and a plurality of No. two filtration pores (20), be provided with impeller (17) in filter pipeline body (2), impeller (17) rotate through the connecting axle and connect on the inner wall of filter pipeline body (2), the upper end of the connecting shaft penetrates through the upper end face of the filtering pipeline body (2) and is fixedly provided with a rotating shaft (12), the upper end of the rotating shaft (12) is fixedly provided with a convex disc (11), the left side of the top plate (10) is provided with a purifying mechanism, the upper end face of the convex disc (11) is rotatably connected with a push-pull rod (3), one end of the push-pull rod (3) departing from the convex disc (11) is rotatably connected with a slide rod (4), the other end of the slide rod (4) penetrates through the side wall of the filtering pipeline body (2) and is fixedly provided with a conduction plate (18), the conduction plate (18) is slidably connected in the filtering pipeline body (2), a plurality of first filtering holes are formed in the side wall of the conduction plate (18) at equal intervals, a plurality of first conduction rods (19) are fixedly connected on the right side wall of the conduction plate (18) at equal intervals, and each first conduction rod (19) corresponds to a second filtering hole (20), each first filter hole corresponds to a second conduction rod.
2. The anti-blocking filter pipeline according to claim 1, wherein the purification mechanism comprises a vertical plate (16), a mounting pipe (15) and a liquid storage tank (6), the vertical plate (16) is fixedly mounted on the upper end surface of the filter pipeline body (2), the mounting pipe (15) is fixedly mounted on the side wall of the vertical plate (16), the liquid storage tank (6) is located above the mounting pipe (15), and an air inlet pipe (8) is commonly arranged between the liquid storage tank (6) and the mounting pipe (15).
3. The anti-blocking filter pipeline according to claim 2, characterized in that a first communicating pipe (5) is arranged at the lower end of the liquid storage tank (6), the other end of the first communicating pipe (5) penetrates through the side wall of the filter pipeline body (2) and is communicated with the interior of the filter pipeline body (2), a first single valve is arranged in the first communicating pipe (5), a liquid inlet pipe (7) is arranged on the left side of the liquid storage tank (6), the other end of the liquid inlet pipe (7) penetrates through the side wall of the vertical plate (16) and is communicated with the purified liquid tank, and a second single valve is arranged in the liquid inlet pipe (7).
4. The anti-blocking filter pipeline according to claim 2, wherein a sealing sliding plug (9) is connected in the installation pipe (15) in a transverse sliding manner, two springs (14) are symmetrically arranged at the left end of the sealing sliding plug (9), each spring (14) is fixedly installed on the inner wall of the sealing sliding plug (9), a connecting cross rod (13) is fixedly installed at the center of the right side wall of the sealing sliding plug (9), the other end of the connecting cross rod (13) penetrates through the right side wall of the installation pipe (15) and is fixedly connected with a top plate (10), and the top plate (10) is connected with the convex disc (11) in a sliding manner.
CN202110902067.4A 2021-08-06 2021-08-06 Anti-blocking filter pipeline Withdrawn CN113582363A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110902067.4A CN113582363A (en) 2021-08-06 2021-08-06 Anti-blocking filter pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110902067.4A CN113582363A (en) 2021-08-06 2021-08-06 Anti-blocking filter pipeline

Publications (1)

Publication Number Publication Date
CN113582363A true CN113582363A (en) 2021-11-02

Family

ID=78255872

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110902067.4A Withdrawn CN113582363A (en) 2021-08-06 2021-08-06 Anti-blocking filter pipeline

Country Status (1)

Country Link
CN (1) CN113582363A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114215166A (en) * 2021-12-27 2022-03-22 徐州广勤米业有限公司 Anti-blocking device for urban water pipe drainage
CN114272655A (en) * 2021-12-24 2022-04-05 湖北仕上电子科技有限公司 Cleaning system for flat panel display device
CN116472844A (en) * 2023-06-09 2023-07-25 三鹰龙凤农业科技有限公司 Rosin grass water and fertilizer supply method with automatic supplementing function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114272655A (en) * 2021-12-24 2022-04-05 湖北仕上电子科技有限公司 Cleaning system for flat panel display device
CN114215166A (en) * 2021-12-27 2022-03-22 徐州广勤米业有限公司 Anti-blocking device for urban water pipe drainage
CN114215166B (en) * 2021-12-27 2024-04-30 徐州中膜环保技术研究有限公司 Anti-blocking device for urban water pipe drainage
CN116472844A (en) * 2023-06-09 2023-07-25 三鹰龙凤农业科技有限公司 Rosin grass water and fertilizer supply method with automatic supplementing function

Similar Documents

Publication Publication Date Title
CN113582363A (en) Anti-blocking filter pipeline
CN209752326U (en) Textile printing and dyeing sewage treatment device
CN210674407U (en) Environment-friendly efficient sewage filtering device
CN218539373U (en) High-efficient pure water preparation device
CN202682885U (en) Cloth media filter
CN217367427U (en) Large-flow backwashing filter
CN209556020U (en) A kind of patch gravel multitube parallel formula filtering water intake system
CN210559542U (en) Water treatment membrane group device
CN208660831U (en) Full effect reverse-osmosis membrane element and water purification machine
CN220520324U (en) Compact structure of purified water equipment
CN207435107U (en) Haemodialysis reverse osmosis membrane filtration device
CN214319764U (en) Membrane module
CN217926247U (en) Non-clogging pipeline pump for liquid potash processing
CN213951173U (en) Can promote bacillus subtilis zymotic fluid enrichment facility of purity
CN216664322U (en) Thing networking intelligent control integration box irrigation pump station
CN216106287U (en) Hydraulic engineering's environmental protection water purification installation
CN208545163U (en) A kind of adsorption tower
CN221181958U (en) Lithium carbonate impurity removing device
CN220790064U (en) Integrated pump station
CN219399661U (en) Reverse osmosis membrane
CN213357109U (en) Purification device is used in pure water production and processing
CN215946924U (en) Ultrafiltration and reverse osmosis integrated filtering and purifying device
CN215539856U (en) Water-reducing agent production is with tubing pump filter equipment
CN210559797U (en) Oil gas field ground engineering produced water filtration purification device
CN219585938U (en) Deironing demanganizing water quality treatment device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20211102

WW01 Invention patent application withdrawn after publication