CN115957561A - Multistage drain interception filter equipment - Google Patents
Multistage drain interception filter equipment Download PDFInfo
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- CN115957561A CN115957561A CN202211681675.8A CN202211681675A CN115957561A CN 115957561 A CN115957561 A CN 115957561A CN 202211681675 A CN202211681675 A CN 202211681675A CN 115957561 A CN115957561 A CN 115957561A
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Abstract
The invention provides a multi-stage sewage draining port intercepting and filtering device, which belongs to the field of sewage filtering and comprises a device main body, wherein a rotary filtering mechanism is arranged in the device main body, when an external sewage draining port discharges sewage into the device main body, through the arrangement of a filtering screen plate, a middle-hole filtering plate and a fine-hole filtering plate, when the device is used, when a sewage draining pipe discharges sewage into the device main body, large impurities and garbage can be firstly intercepted and filtered by the filtering screen plate, and then the large impurities and the garbage can be finely filtered by the middle-hole filtering plate and the fine-hole filtering plate.
Description
Technical Field
The invention relates to the field of sewage filtration, in particular to a multistage sewage draining outlet intercepting and filtering device.
Background
At present, suburb rivers and some urban rivers, still a considerable part can't intercept dirty temporarily or in a long time in future, and the blow off pipe has to be directly discharged in the river course. For example, the discharge outlet of warm water discharged by enterprises in a direct discharge river channel, the discharge outlet of other waste and sewage in industrial enterprises, the discharge outlet of a rain and sewage confluence, the discharge outlet of a municipal pump station straight discharge port and the like are in intermittent discharge, and the sewage types are mixed waste and sewage.
In sewage discharge process, most sewage the inside can contain a large amount of rubbish from cooking and industrial residue, in order to avoid directly discharging these impurity rubbish to sewage treatment plant, so need carry out the interception to sewage and filter, current interception filter equipment all is the filter screen mostly, but the filter screen is at the in-process of long-term interception filtration sewage, the surface of filter screen often can be blockked up by rubbish from cooking and impurity, especially some great rubbish are like the plastic bag etc., can be on the way by the interception filterability, directly attach on the filter screen surface, influence the filtration of filter screen, set up when serious and probably lead to pipeline drainage difficulty, cause the jam, at this moment just need clear up the filter screen, and current filter screen generally all installs in the pipeline, this just leads to manual cleaning comparatively troublesome, influence whole drainage pipe's drainage efficiency.
How to invent a multi-stage sewage discharge port intercepting and filtering device to improve the problems becomes a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In order to make up for the defects, the invention provides a multi-stage sewage draining exit intercepting and filtering device, aiming at solving the problem that a filter screen is difficult to clean.
The invention is realized by the following steps:
the invention provides a multistage sewage draining exit intercepting and filtering device, which comprises a device main body and also comprises:
rotate filtering mechanism, set up in the inside of device main part, when the inside of external drain with sewage drainage to the device main part, rotate the great impurity that filter equipment can filter in the sewage, guarantee the filter effect of sewage.
The clean mechanism of filter screen sets up on rotating filtering mechanism, and after rotating filtering mechanism and filtering, the clean mechanism of filter screen can be under the effect of magnetic force, and the surface of filter plate is crossed in reciprocal scraping, avoids showing of filter screen to adhere to too many impurity, influences the filtration.
The clean mechanism of filtration pore sets up in the inside of crossing filter plate, and when the clean mechanism of filter screen when the surface of crossing filter plate is crossed in reciprocal scraping, the clean mechanism of filter screen also can clear up a plurality of filtration pores of crossing of seting up on the filter plate, avoids filtering the downthehole card of hole and has impurity, influences the filter effect of whole device.
Through adopting above-mentioned technical scheme, through the setting of filtering screen plate, sewage in the filter equipment main part that can be quick guarantees the filter effect of whole equipment.
Preferably, rotate filtering mechanism including setting up the spliced pole at the device main part inside wall, the both sides of spliced pole are provided with the strong magnetic block of drive, the installation connecting pipe has been cup jointed in the rotation on the lateral wall of spliced pole, and is a plurality of filter plate equal equidistance fixed connection is on the lateral wall of installation connecting pipe, the both sides of device main part are provided with impurity rubbish respectively and deposit the mouth.
Through adopting above-mentioned technical scheme, impurity rubbish deposits the setting of mouth, can filter impurity and rubbish that the otter board got off and carry out unified receipts to depositing.
Preferably, the clean mechanism of filter screen is including seting up the drive spout in filter plate upper and lower both sides, the drive spout runs through to the inside of filter plate, the inside wall sliding connection of drive spout has the driving piece, fixedly connected with reset spring on the lateral wall of driving piece, reset spring's other end fixed connection is on the inside wall of drive spout.
Through adopting above-mentioned technical scheme, reset spring's setting makes cleaning blade be reciprocating motion that can be quick.
The cleaning scraper blades are fixedly connected to the left side and the right side of the driving piece respectively, the cleaning scraper blades are in sliding contact with the surface of the filter screen plate, the outer side wall of the driving piece is fixedly connected with the contact strong magnetic blocks, and the magnetic poles of the contact strong magnetic blocks are the same as the magnetic poles of the driving strong magnetic blocks.
Through adopting above-mentioned technical scheme, the setting of cleaning blade, the surface of clean filter plate of scraping that can be quick.
Preferably, the clean mechanism of filtration pore is including setting up a plurality of filtration pores of crossing on the filter screen plate surface, the bottom fixedly connected with erection joint pole of driving piece, the erection joint pole runs through to the inside of crossing the filter screen plate, equidistant slip is provided with a plurality of with on the lateral wall of erection joint pole clean lug that the filtration pore corresponds.
Through adopting above-mentioned technical scheme, the setting of clean lug, clean filtration pore that can be quick.
Preferably, an upper sliding groove and a lower sliding groove are formed in the cleaning protruding block, water spraying cylinders are fixedly connected to the upper side and the lower side of the mounting connecting rod, injection piston rods are slidably connected to the inner side walls of the water spraying cylinders, and pressing springs are fixedly connected to the outer side walls of the injection piston rods.
Through adopting above-mentioned technical scheme, through the inside of the removal cleanness filtration pore that can be quick of injection piston rod.
The upper side and the lower side of the cleaning lug are both provided with ejection spray pipes, the ejection spray pipes are arranged in a hollow mode, the outer side wall of the water spraying cylinder is communicated with water spraying pipes, and the water spraying pipes penetrate through the installation connecting rods and are arranged inside the ejection spray pipes in a sliding mode.
Through adopting above-mentioned technical scheme, the setting of water spray drum can realize when using, and it is clean to spraying water in the filtration pore fast.
Preferably, the inner side wall of the device main body is respectively provided with a mesopore filter plate and a micropore filter plate, and the inner side wall of the device main body is connected with a sewage discharge pipe.
Through adopting above-mentioned technical scheme, the setting of mesopore filter and pore filter can be to carrying out hierarchical filtration in the device main part.
The invention has the beneficial effects that:
through the arrangement of the filter screen plate, the middle-hole filter plate and the fine-hole filter plate, when the sewage discharge device is used and sewage is discharged into the device main body through the sewage discharge pipe, large impurities and garbage can be firstly intercepted and filtered by the filter screen plate, secondly, fine filtering can be carried out by the middle-hole filter plate and the fine-hole filter plate, and the filtering effect of the sewage can be ensured to the maximum extent through three-layer separated filtering and intercepting;
this scheme is through the setting of clean scraper blade and clean lug, can realize when filtering the otter board and rotate the use, under the effect of the magnetic force that repulses, the surface of filter screen board is filtered in the reciprocal scraping of clean scraper blade, avoid showing of filter screen to adhere to too many impurity, the influence is filtered, when the surface of filter screen board is filtered in the reciprocal scraping of clean scraper blade, a plurality of filtration pores of crossing on the otter board are filtered in the inside clearance also to clean the lug, it has impurity to avoid filtering the downthehole card, guarantee ultimate clean effect, avoid artifical manual clearance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a multi-stage sewage drain intercepting and filtering device provided by an embodiment of the invention;
fig. 2 is a schematic structural view of a connecting column in a multi-stage sewage drain intercepting and filtering device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a filter screen plate in a multi-stage sewage drain intercepting filter device according to an embodiment of the present invention;
fig. 4 is a schematic view of an internal structure of a filter screen plate in a multi-stage drain intercepting and filtering device according to an embodiment of the present invention;
fig. 5 is a schematic view illustrating an internal structure of a cleaning projection in a multi-stage drain intercepting filter according to an embodiment of the present invention;
fig. 6 is a schematic plane structure view of a filter screen plate in a multi-stage sewage drain intercepting filter device according to an embodiment of the present invention;
fig. 7 is a schematic view of an external structure of a multi-stage drain intercepting and filtering device according to an embodiment of the present invention.
In the figure: 1. a device main body; 2. connecting columns; 3. installing a connecting rod; 101. a sewage draining pipe; 102. a mesoporous filter plate; 103. a fine-pore filter plate; 104. an impurity garbage storage port; 201. installing a connecting pipe; 202. a filter screen plate; 203. a driver; 204. a cleaning blade; 205. a return spring; 206. a filtration pore; 207. contacting the strong magnetic block; 208. driving the strong magnetic block; 301. cleaning the bumps; 302. a water spray cylinder; 303. a pressing spring; 304. an injection piston rod; 305. a water spray pipe; 306. and ejecting the spray pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Examples
Referring to fig. 1 to 7, a multistage drain intercepting and filtering apparatus includes an apparatus main body 1, and further includes:
the rotary filtering mechanism is arranged inside the device main body 1, when an external sewage discharge port discharges sewage into the device main body 1, the rotary filtering device can filter large impurities in the sewage, and the filtering effect of the sewage is ensured, the rotary filtering mechanism comprises a connecting column 2 arranged on the inner side wall of the device main body 1, driving strong magnets 208 are arranged on two sides of the connecting column 2, an installation connecting pipe 201 is rotatably sleeved on the outer side wall of the connecting column 2, a plurality of filtering screen plates 202 are fixedly connected to the outer side wall of the installation connecting pipe 201 at equal intervals, and impurity garbage storage ports 104 are respectively arranged on two sides of the device main body 1;
the clean mechanism of filter screen, the setting is on rotating filtering mechanism, after rotating filtering mechanism and filtering, the clean mechanism of filter screen, can be under the effect of magnetic force, reciprocal scraping filters the surface of otter board 202, avoid showing of filter screen to adhere to too many impurity, influence and filter, the clean mechanism of filter screen is including seting up the drive spout in filter board 202 upper and lower both sides, the drive spout runs through to the inside of filtering otter board 202, the inside wall sliding connection of drive spout has driving piece 203, fixedly connected with reset spring 205 on the lateral wall of driving piece 203, reset spring 205's the other end fixed connection is on the inside wall of drive spout, the equal fixedly connected with cleaning blade 204 in the left and right sides of driving piece 203, cleaning blade 204 and the surface sliding contact who filters otter board 202, fixedly connected with on the lateral wall of driving piece 203 contacts strong magnet 207, the magnetic pole that contacts strong magnet 207 is the same with the magnetic pole that drives strong magnet 208.
Further, the step of; referring to fig. 7, the apparatus body 1 is provided with openable flip doors at both outer sides thereof.
It should be noted that: when the impurity garbage storage opening 104 is full, the turnover door can be opened to take out the garbage sundries.
Referring to fig. 4-7, the filter hole cleaning mechanism is disposed inside the filter screen plate 202, when the filter screen cleaning mechanism scrapes the surface of the filter screen plate 202 in a reciprocating manner, the filter screen cleaning mechanism can also clean a plurality of filter holes 206 formed in the filter screen plate 202, so as to prevent impurities from being stuck in the filter holes 206 and affecting the filtering effect of the whole device, the inner side wall of the device body 1 is respectively provided with a middle-hole filter plate 102 and a fine-hole filter plate 103, the inner side wall of the device body 1 is connected with a sewage pipe 101, the filter hole cleaning mechanism comprises a plurality of filter holes 206 formed in the surface of the filter screen plate 202, the bottom of the driving member 203 is fixedly connected with a mounting connecting rod 3, the mounting connecting rod 3 penetrates into the filter screen plate 202, equidistant slip is provided with a plurality of clean lugs 301 that correspond with filtration pore 206 on erection joint pole 3's the lateral wall, sliding tray about having seted up on clean lug 301, the equal fixedly connected with sprinkler bead 302 in the upper and lower both sides of erection joint pole 3, the inside wall sliding connection of sprinkler bead 302 has injection piston rod 304, fixedly connected with presses spring 303 on the lateral wall of injection piston rod 304, the upper and lower both sides of clean lug 301 all are provided with ejecting spray tube 306, ejecting spray tube 306 is interior empty setting, the intercommunication is provided with spray pipe 305 on the lateral wall of sprinkler bead 302, spray pipe 305 runs through the inside of erection joint pole 3 slip setting at ejecting spray tube 306.
It should be noted that: referring to fig. 6, the filter holes 206 on both sides of the filter screen plate 202 are arranged in a staggered manner.
The working principle of the multistage drain interception and filtration device is as follows:
when carrying out the interception to sewage and filtering, sewage pipe 101 can discharge a large amount of sewage toward in the device main part 1, because the sewage that discharges has the impact force, through the impact of sewage, can make installation connecting pipe 201 drive a plurality of filter plate 202 and rotate, need explain because, because it is rotatory to carry out a plurality of filter plate 202
Sewage of sewage pipes 101 the inside is continuous to be discharged, so the impact of water can make installation connect 5 take over 201 and drive a plurality of filter screen boards 202 and continue to rotate, when filter screen board 202 rotates, strike the sewage on filter screen board 202, can be filtered the interception by the filtration pore 206 on the filter screen board 202, when filtering, if sewage the inside contains rubbish or impurity, impurity and rubbish can be attached to the surface of filter screen board 202, because installation connecting pipe 201 drives many filter screen boards 202
The filter screen plate 202 rotates continuously, and the magnetic poles of the strong contact magnet 2070 on the filter screen plate 202 are the same as the magnetic poles of the strong drive magnet 208 on the connecting column 2, so that when the connecting tube 201 is installed to drive the filter screen plate 202 to rotate to the strong drive magnet 208, the driving member 203 overcomes the elastic force of the reset spring 205 through repulsive magnetic force, and drives the cleaning scraper 204 to move towards the outer side of the filter screen plate 202, it should be noted that the strong contact magnet 207 and the strong drive magnet 208 are both strong magnets, so that the repulsive magnetic force between the strong contact magnet 207 and the strong drive magnet 208 is large, and the force can be 5 completely to push the cleaning scraper 204 to move for a long distance;
the cleaning scraper 204 can scrape and push impurities and garbage on the surface of the filter screen plate 202 during moving, and the strong driving magnetic block 208 on the connecting column 2 is just arranged at the positive side of the impurity garbage storage ports 104 at the two sides of the device main body 1, so when the filter screen plate 202 rotates to the impurity garbage storage ports 104
When the filter screen plate 202 is driven to rotate by the installation connecting pipe 201, the cleaning scraper 204 scrapes the surface of the filter screen plate 202 in a reciprocating manner when the filter screen plate 201 drives the filter screen plate 202 to rotate, so that the filtering effect of the filter screen plate 202 is ensured;
the driving piece 203 drives the cleaning scraper 204 to scrape the surface of the filter screen plate 202 in a reciprocating manner, and simultaneously drives the mounting connecting rod 3 in the filter screen plate 202 to move, when the mounting connecting rod 3 moves, the cleaning lugs 301 arranged on the mounting connecting rod 3 can be driven to move together, when the cleaning lugs 301 move to the filter holes 206, a part of the end parts of the cleaning lugs 301 can enter the filter holes 206, impurities clamped in the filter holes 206 are ejected out of the filter holes 206 through the ejection nozzles 306 at the top ends of the cleaning lugs 301, because the upper end and the lower end of each cleaning lug 301 are designed in an arc shape, when the driving piece 203 drives the mounting connecting rod 3 to move continuously, the cleaning lugs 301 can come out of the filter holes 206 in the first row along the arc edge of the driving piece and then enter the filter holes 206 in the next row, the interiors of the filter holes 206 in the next row are cleaned, and the cleaning lugs 301 continuously enter the filter holes 206 in the downward direction and then come out of the filter holes 206 in the next row when the mounting connecting rod 3 drives the cleaning lugs 301 to move; at this time, if kitchen waste or smaller impurities are just stuck in the filter hole 206, when the cleaning protrusion 301 enters the filter hole 206, the kitchen waste or smaller impurities are ejected out of the filter hole 206, so as to achieve the purpose of cleaning the inside of the filter hole 206, and ensure that when in use, no impurities are contained in the filter hole 206, when the ejection nozzle 306 at one end extends into the filter hole 206, at this time, the mounting connecting rod 3 is not moved, the corresponding injection piston rod 304 extrudes the water in the water spray drum 302 to be ejected out along the water spray pipe 305 and the ejection nozzle 306, and to be ejected into the filter hole 206 through the ejection nozzle 306, and at the same time, the injection piston rod 304 and the water spray drum 302 at the other end are gradually separated, and the cleaned water is sucked through the water spray drum 302 with a larger space, so that the water at the subsequent side is ejected out from the ejection nozzle 306, which is set as follows: the surface that has great rubbish to adhere to filter screen plate 202 is too tight, and cleaning scraper blade 204 scrapes and does not walk, and the water of spun can wash rubbish from filtering the surface of screen plate 202 in the hole 206, makes things convenient for cleaning scraper blade 204 to contact rubbish and scrapes and push away, if the rubbish that adheres to the viscidity material in filtering the hole 206, can wash the clearance by the spun water in ejecting spray tube 306, makes the inner wall of filtering the hole 206 clean more abundant.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a multistage drain interception filter equipment, includes device main part (1), its characterized in that still includes:
the rotary filtering mechanism is arranged inside the device main body (1), and when an external sewage discharge outlet discharges sewage into the device main body (1), the rotary filtering mechanism can filter larger impurities in the sewage to ensure the filtering effect of the sewage;
the filter screen cleaning mechanism is arranged on the rotary filtering mechanism, and can scrape the surface of the filter screen plate (202) in a reciprocating manner under the action of magnetic force after the rotary filtering mechanism finishes filtering;
the clean mechanism of filtration pore sets up in the inside of filtering otter board (202), when the clean mechanism of filter screen when the surface of filtering otter board (202) of reciprocal scratch, the clean mechanism of filter screen also can clear up a plurality of filtration pores (206) of crossing of seting up on filtering otter board (202), avoids filtering the inside card of pore (206) and has impurity, influences the filter effect of whole device.
2. The multistage drain intercepting and filtering device according to claim 1, wherein the rotary filtering mechanism comprises a connecting column (2) arranged on the inner side wall of the device body (1), strong driving magnetic blocks (208) are arranged on two sides of the connecting column (2), a mounting connecting pipe (201) is sleeved on the outer side wall of the connecting column (2) in a rotating mode, a plurality of filter screen plates (202) are fixedly connected to the outer side wall of the mounting connecting pipe (201) at equal intervals, and impurity garbage storage openings (104) are formed in two sides of the device body (1) respectively.
3. The multi-stage sewage draining outlet intercepting and filtering device according to claim 1, wherein the filter screen cleaning mechanism comprises driving chutes which are arranged at the upper side and the lower side of the filter screen plate (202), the driving chutes penetrate through the inside of the filter screen plate (202), the inner side wall of each driving chute is slidably connected with a driving piece (203), the outer side wall of each driving piece (203) is fixedly connected with a return spring (205), and the other end of each return spring (205) is fixedly connected to the inner side wall of each driving chute.
4. The multi-stage sewage drain intercepting and filtering device according to claim 3, wherein cleaning scrapers (204) are fixedly connected to the left side and the right side of the driving member (203), the cleaning scrapers (204) are in sliding contact with the surface of the filter screen plate (202), a contact strong magnetic block (207) is fixedly connected to the outer side wall of the driving member (203), and the magnetic pole of the contact strong magnetic block (207) is the same as the magnetic pole of the driving strong magnetic block (208).
5. The multi-stage sewage draining exit intercepting and filtering device according to claim 3, wherein the filtering hole cleaning mechanism comprises a plurality of filtering holes (206) arranged on the surface of the filtering screen plate (202), the bottom of the driving member (203) is fixedly connected with a mounting connecting rod (3), the mounting connecting rod (3) penetrates through the inside of the filtering screen plate (202), and a plurality of cleaning lugs (301) corresponding to the filtering holes (206) are arranged on the outer side wall of the mounting connecting rod (3) in an equidistance sliding manner.
6. The multi-stage sewage draining outlet intercepting and filtering device according to claim 5, wherein an upper sliding groove and a lower sliding groove are formed in the cleaning convex block (301), the upper side and the lower side of the installation connecting rod (3) are fixedly connected with a water spraying barrel (302), the inner side wall of the water spraying barrel (302) is slidably connected with an injection piston rod (304), and the outer side wall of the injection piston rod (304) is fixedly connected with a pressing spring (303).
7. The multi-stage sewage draining outlet intercepting and filtering device according to claim 6, wherein the upper side and the lower side of the cleaning projection (301) are both provided with an ejection nozzle (306), the ejection nozzle (306) is arranged in a hollow manner, the outer side wall of the water spraying barrel (302) is communicated with a water spraying pipe (305), and the water spraying pipe (305) penetrates through the installation connecting rod (3) and is arranged inside the ejection nozzle (306) in a sliding manner.
8. The intercepting filter of multi-stage sewage drain according to claim 1, wherein the inner sidewall of the device body (1) is provided with a middle hole filter plate (102) and a fine hole filter plate (103), respectively, and the inner sidewall of the device body (1) is connected with a sewage drain pipe (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211681675.8A CN115957561A (en) | 2022-12-26 | 2022-12-26 | Multistage drain interception filter equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211681675.8A CN115957561A (en) | 2022-12-26 | 2022-12-26 | Multistage drain interception filter equipment |
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| Publication Number | Publication Date |
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| CN115957561A true CN115957561A (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211681675.8A Pending CN115957561A (en) | 2022-12-26 | 2022-12-26 | Multistage drain interception filter equipment |
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| CN (1) | CN115957561A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116534931A (en) * | 2023-07-05 | 2023-08-04 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Geothermal tail water recharging treatment equipment |
| CN116943312A (en) * | 2023-09-21 | 2023-10-27 | 广东省广业装备科学技术研究院有限公司 | Interception system for sewage treatment |
-
2022
- 2022-12-26 CN CN202211681675.8A patent/CN115957561A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116534931A (en) * | 2023-07-05 | 2023-08-04 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Geothermal tail water recharging treatment equipment |
| CN116534931B (en) * | 2023-07-05 | 2023-10-13 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Geothermal tail water recharging treatment equipment |
| CN116943312A (en) * | 2023-09-21 | 2023-10-27 | 广东省广业装备科学技术研究院有限公司 | Interception system for sewage treatment |
| CN116943312B (en) * | 2023-09-21 | 2023-12-15 | 广东省广业装备科学技术研究院有限公司 | Interception system for sewage treatment |
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