CN211025380U - High-efficient biological filter sewage treatment plant - Google Patents
High-efficient biological filter sewage treatment plant Download PDFInfo
- Publication number
- CN211025380U CN211025380U CN201921824735.0U CN201921824735U CN211025380U CN 211025380 U CN211025380 U CN 211025380U CN 201921824735 U CN201921824735 U CN 201921824735U CN 211025380 U CN211025380 U CN 211025380U
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- Prior art keywords
- filter
- plate
- wall
- box
- sewage treatment
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- 239000010865 sewage Substances 0.000 title claims abstract description 25
- 241000220317 Rosa Species 0.000 claims abstract description 24
- 239000002699 waste material Substances 0.000 claims abstract description 24
- 241000196324 Embryophyta Species 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000875 corresponding Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 230000037250 Clearance Effects 0.000 abstract description 3
- 230000035512 clearance Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 241000681094 Zingel asper Species 0.000 description 8
- 210000003128 Head Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- -1 nitrate nitrogen Chemical compound 0.000 description 2
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
Abstract
The utility model belongs to the sewage treatment plant field, especially, a high-efficient biological filter sewage treatment plant exists impurity and remains after using for a long time to current filter, blocks up the filter easily, leads to the filter effect poor, so can not satisfy the problem of people's demand, now proposes following scheme, and it is including setting up to hollow structure's processing case, fixed mounting has the top to be open-ended waste collecting box on the bottom inner wall of processing case, and fixed mounting has the rose box that sets up to hollow structure on the bottom inner wall of processing case, and rose box and waste collecting box fixed connection, has seted up first spout on one side inner wall of rose box. The utility model discloses simple structure, convenient operation, the impurity to on the filter that can be convenient fast clears up, clears up impurity to waste collection box after the clearance, has prevented the jam of filter, so satisfied people's demand.
Description
Technical Field
The utility model relates to a sewage treatment plant technical field especially relates to a high-efficient biological filter sewage treatment plant.
Background
The application numbers are: 201910107591.5 discloses a biofilter and sewage treatment method, the biofilter includes water distribution layer, filter material layer, supporting layer and water collection layer distributed from top to bottom in turn, the sewage to be treated enters the water distribution layer for uniform water distribution, the organic nitrogen and ammonia nitrogen entering the filter material layer are converted into nitrate nitrogen through ammoniation and nitrification, the supporting layer blows air in the dry period to ensure the activity of aerobic bacteria in the filter material layer, the nitrate nitrogen is further removed in the water collection layer by denitrification with the carbon source of raw water, and the obtained purified water meets the first-level A standard. The biofilter has the advantages of low investment and low operation cost, adopts a raw water carbon source for post denitrification, and has better sewage treatment effect by controlling the flow of sewage in a water distribution pipe and a surpassing pipe;
however, in use, the filter plate is easy to have impurity residues after long-term use, and is easy to block the filter plate, so that the filter plate has poor filtering effect, and the requirements of people cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the filter plate is easy to remain impurities after being used for a long time, the filter plate is easy to block, the filtering effect is poor, and therefore the defect of the demand of people can not be met, and the provided high-efficiency biological filter tank sewage treatment device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-efficiency biological filter sewage treatment device comprises a treatment box which is arranged into a hollow structure, wherein a waste collection box with an open top is fixedly arranged on the inner wall of the bottom of the treatment box, a filter box which is arranged into a hollow structure is fixedly arranged on the inner wall of the bottom of the treatment box, the filter box is fixedly connected with the waste collection box, a first chute is arranged on the inner wall of one side of the filter box, a first slide block is arranged in the first chute in a sliding way, a second chute is arranged on the inner wall of the other side of the filter box, a second slide block is arranged in the second chute in a sliding way, one end, close to each other, of the first slide block and the second slide block extend into the filter box and are fixedly provided with the same filter plate, a limiting hole is arranged on the second slide block, a limiting rod is arranged in the limiting hole in a sliding way, mounting grooves are arranged on the inner wall of the top and the inner wall of the bottom, the bottom fixed mounting of second slider has the spacing spring of suit in the gag lever post outside, and the bottom of spacing spring and the top inner wall fixed connection of second spout, spacing spring play spacing and the effect that resets.
Preferably, the inner wall of the top of the filter box is provided with a moving groove, a moving plate is arranged in the moving groove in a sliding manner, the bottom end of the moving plate extends into the filter box and is fixedly provided with a brush plate, and the bottom of brush board contacts with the top of filter, one side fixed mounting of movable plate has the connecting plate, the one end fixed mounting that the movable plate was kept away from to the connecting plate has articulated seat, the opening has been seted up to the one side that the rose box is close to waste collection box, the sliding tray has been seted up on the inner wall of one side of rose box, the sliding tray is linked together with the opening, sliding tray and opening slidable mounting have same closing plate, the top fixed mounting of closing plate has reset spring, reset spring's top and the top inner wall fixed connection of sliding tray, articulated on the articulated seat have the hinge bar that the slope set up, the one end that the hinge bar kept away from articulated seat is articulated mutually with the sealing plate.
Preferably, the fixed slot has been seted up on the opposite side inner wall of rose box, slidable mounting has the fixed block in the fixed slot, it has the rotor plate to rotate that installation slope set up on the fixed block, the one end that the fixed block was kept away from to the rotor plate rotates with the brush board and is connected, the top fixed mounting of rose box has the rotating electrical machines, the output shaft of rotating electrical machines extends to in the rose box and fixed mounting has the eccentric wheel, and the movable plate keeps away from one side of connecting plate and contacts with the eccentric wheel, the constant head tank has been seted up on the inner wall of open-ended one side, one side fixed mounting of closing plate has the locating piece.
Preferably, the top fixed mounting who handles the case has the inlet pipe, and the inlet pipe runs through and handles the case and extend to the rose box in, handles one side fixed mounting of case and has the discharging pipe, and in the discharging pipe runs through and handles the case and extend to the rose box, the convenient feeding of inlet pipe.
Preferably, the same opening of placing has been seted up with waste collection box's bottom to the bottom of handling the case, and the bottom of handling the case articulates there is the apron, and the apron with place the sealed cooperation of mouth, the apron is sealed placing the mouth.
Preferably, the bottom fixed mounting of fixed block has the installation spring, and the bottom of installation spring and the bottom inner wall fixed connection of fixed slot, the installation spring plays spacing and effect that resets.
In the utility model, when in use, the high-efficiency biological filter tank sewage treatment device feeds through the feed inlet, then the rotating motor is started, the output shaft of the rotating motor drives the eccentric wheel to rotate, the eccentric wheel drives the movable plate to move, the movable plate drives the brush plate to move, the brush plate drives the rotating plate to move, the rotating plate drives the fixed block to move, and the brush plate cleans impurities on the filter plate;
meanwhile, the movable plate drives the connecting plate to move, the connecting plate drives the hinge seat to move, the sealing plate is moved out of the opening, the brush plate continuously pushes impurities on the filter plate into the waste collecting box, and meanwhile, due to the arrangement of the limiting spring, the filter plate can be driven to shake in a small range when the brush plate is brushed;
the utility model discloses simple structure, convenient operation, the impurity to on the filter that can be convenient fast clears up, clears up impurity to waste collection box after the clearance, has prevented the jam of filter, so satisfied people's demand.
Drawings
FIG. 1 is a schematic view of a high-efficiency biological filter sewage treatment plant according to the present invention;
FIG. 2 is a schematic structural view of part A of a high-efficiency biofilter sewage treatment plant provided by the utility model;
FIG. 3 is a schematic structural view of part B of a high-efficiency biofilter sewage treatment plant provided by the utility model;
fig. 4 is a schematic view of a top view structure of a high-efficiency biological filter sewage treatment device provided by the utility model.
In the figure: the device comprises a treatment box 1, a waste collection box 2, a filter box 3, a first sliding chute 4, a first sliding block 5, a second sliding chute 6, a second sliding block 7, a filter plate 8, a limiting hole 9, a limiting rod 10, an installation groove 11, a limiting spring 12, a moving groove 13, a moving plate 14, a brush plate 15, a hinge seat 16, an opening 17, a sliding groove 18, a sealing plate 19, a return spring 20, a hinge rod 21, a fixing groove 22, a fixing block 23, a rotating plate 24, a rotating motor 25 and an eccentric wheel 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-4, a high-efficiency biological filter sewage treatment device comprises a hollow treatment tank 1, a waste collection tank 2 with an open top is fixedly arranged on the inner wall of the bottom of the treatment tank 1, a hollow filter tank 3 is fixedly arranged on the inner wall of the bottom of the treatment tank 1, the filter tank 3 is fixedly connected with the waste collection tank 2, a first chute 4 is arranged on the inner wall of one side of the filter tank 3, a first slide block 5 is slidably arranged in the first chute 4, a second chute 6 is arranged on the inner wall of the other side of the filter tank 3, a second slide block 7 is slidably arranged in the second chute 6, one end of the first slide block 5, which is close to the second slide block 7, extends into the filter tank 3 and is fixedly provided with a same filter plate 8, a limit hole 9 is arranged on the second slide block 7, a limit rod 10 is slidably arranged in the limit hole 9, and mounting grooves 11 are arranged on the inner wall of the top and the inner wall, and the top and the bottom of gag lever post 10 extend to respectively in corresponding mounting groove 11 and with corresponding mounting groove 11 sliding connection, the bottom fixed mounting of second slider 7 has the spacing spring 12 of suit in the gag lever post 10 outside, the bottom of spacing spring 12 and the top inner wall fixed connection of second spout 6.
In the utility model, a moving groove 13 is arranged on the inner wall of the top part of the filter box 3, a moving plate 14 is arranged in the moving groove 13 in a sliding way, the bottom end of the moving plate 14 extends into the filter box 3 and is fixedly provided with a brush plate 15, and the bottom of brush board 15 contacts with the top of filter 8, one side fixed mounting of movable plate 14 has the connecting plate, the one end fixed mounting that the movable plate 14 was kept away from to the connecting plate has articulated seat 16, opening 17 has been seted up to one side that rose box 3 is close to waste collection box 2, sliding tray 18 has been seted up on one side inner wall of rose box 3, sliding tray 18 is linked together with opening 17, sliding tray 18 and opening 17 slidable mounting have same closing plate 19, closing plate 19's top fixed mounting has reset spring 20, reset spring 20's top and sliding tray 18's top inner wall fixed connection, articulated the articulated rod 21 that has the slope to set up on articulated seat 16, the one end that articulated rod 21 kept away from articulated seat 16 is articulated mutually with closing plate.
The utility model discloses in, fixed slot 22 has been seted up on the opposite side inner wall of rose box 3, sliding mounting has fixed block 23 in the fixed slot 22, it has rotor plate 24 to rotate that installation slope set up on the fixed block 23, rotor plate 24 keeps away from the one end of fixed block 23 and rotates with brush board 15 and be connected, the top fixed mounting of rose box 3 has rotating electrical machines 25, rotating electrical machines 25's output shaft extends to in the rose box 3 and fixed mounting has eccentric wheel 26, and one side that the connecting plate was kept away from to movable plate 14 contacts with eccentric wheel 26, the constant head tank has been seted up on one side inner wall of opening 17, one side fixed mounting of closing plate 19 has the locating piece, and locating piece.
The utility model discloses in, the top fixed mounting who handles case 1 has the inlet pipe, and in the inlet pipe runs through to handle case 1 and extend to rose box 3, one side fixed mounting who handles case 1 has the discharging pipe, and the discharging pipe runs through to handle case 1 and extend to rose box 3 in.
The utility model discloses in, handle the bottom of case 1 and waste collection box 2's bottom and seted up same the mouth of placing, handle that the bottom of case 1 articulates there is the apron, and the apron with place the sealed cooperation of mouth.
The utility model discloses in, the bottom fixed mounting of fixed block 23 has the installation spring, the bottom of installation spring and the bottom inner wall fixed connection of fixed slot 22.
Example two
Referring to fig. 1-4, a high-efficiency biological filter sewage treatment device comprises a treatment tank 1 which is arranged into a hollow structure, a waste collection tank 2 with an open top is fixedly connected on the inner wall of the bottom of the treatment tank 1 through a bolt, a filter tank 3 which is arranged into a hollow structure is fixedly connected on the inner wall of the bottom of the treatment tank 1 through a bolt, the filter tank 3 is fixedly connected with the waste collection tank 2, a first chute 4 is arranged on the inner wall of one side of the filter tank 3, a first slide block 5 is slidably mounted in the first chute 4, a second chute 6 is arranged on the inner wall of the other side of the filter tank 3, a second slide block 7 is slidably mounted in the second chute 6, one ends of the first slide block 5 and the second slide block 7 which are close to each other extend into the filter tank 3 and are fixedly connected with a same filter plate 8 through a bolt, a limit hole 9 is arranged on the second slide block, mounting groove 11 has all been seted up on the top inner wall of second spout 6 and the bottom inner wall, and the top and the bottom of gag lever post 10 extend respectively to in the corresponding mounting groove 11 and with corresponding mounting groove 11 sliding connection, the bottom of second slider 7 is through the spacing spring 12 in the bolt fixedly connected with suit gag lever post 10 outside, the bottom of spacing spring 12 and the top inner wall fixed connection of second spout 6, spacing spring 12 plays spacing and the effect that resets.
In the utility model, a moving groove 13 is arranged on the inner wall of the top of a filter box 3, a moving plate 14 is arranged in the moving groove 13 in a sliding way, the bottom end of the moving plate 14 extends into the filter box 3 and is fixedly connected with a brush plate 15 through a bolt, the bottom end of the brush plate 15 is contacted with the top of a filter plate 8, one side of the moving plate 14 is fixedly connected with a connecting plate through a bolt, one end of the connecting plate far away from the moving plate 14 is fixedly connected with a hinge base 16 through a bolt, one side of the filter box 3 close to a waste collection box 2 is provided with an opening 17, one side of the filter box 3 is provided with a sliding groove 18, the sliding groove 18 is communicated with the opening 17, the same sealing plate 19 is arranged in the sliding groove 18 and the opening 17 in a sliding way, the top of the sealing plate 19 is fixedly connected with a reset spring 20 through a bolt, the end of the hinge rod 21 away from the hinge seat 16 is hinged with the sealing plate 19, and the return spring 20 plays a role in limiting and returning.
The utility model discloses in, fixed slot 22 has been seted up on the opposite side inner wall of rose box 3, sliding mounting has fixed block 23 in the fixed slot 22, it has rotor plate 24 to rotate that installation slope set up on the fixed block 23, rotor plate 24 keeps away from the one end of fixed block 23 and rotates with brush board 15 and be connected, bolt fixedly connected with rotating electrical machines 25 is passed through at the top of rose box 3, the output shaft of rotating electrical machines 25 extends to in the rose box 3 and through bolt fixedly connected with eccentric wheel 26, and one side that the connecting plate was kept away from to movable plate 14 contacts with eccentric wheel 26, the constant head tank has been seted up on one side inner wall of opening 17, bolt fixedly connected with locating piece is passed through to one side of closing plate 19, and locating piece and constant head tank sliding.
The utility model discloses in, bolt fixedly connected with inlet pipe is passed through at the top of handling case 1, and in the inlet pipe runs through handling case 1 and extends to rose box 3, bolt fixedly connected with discharging pipe is passed through to one side of handling case 1, and in the discharging pipe runs through handling case 1 and extends to rose box 3, the convenient feeding of inlet pipe.
The utility model discloses in, handle the bottom of case 1 and waste collection box 2's bottom and seted up same the mouth of placing, the bottom of handling case 1 articulates there is the apron, and the apron with place the sealed cooperation of mouth, the apron is sealed placing the mouth.
The utility model discloses in, bolt fixedly connected with installation spring is passed through to the bottom of fixed block 23, and the bottom of installation spring and the bottom inner wall fixed connection of fixed slot 22, installation spring play spacing and the effect that resets.
In the utility model, in use, feeding is carried out through the feeding hole, then the rotating motor 25 is started, the rotating motor 25 is controlled by the control switch, the rotating motor 25 is powered by commercial power, the output shaft of the rotating motor 25 drives the eccentric wheel 26 to rotate, the eccentric wheel 26 drives the moving plate 14 to move, the moving plate 14 drives the brush plate 15 to move, the brush plate 15 drives the rotating plate 24 to move, the rotating plate 24 drives the fixed block 23 to move, the fixed block 23 compresses the mounting spring, the mounting spring absorbs energy, meanwhile, the brush plate 15 cleans impurities on the filter plate 18, meanwhile, the moving plate 14 drives the connecting plate to move, the connecting plate drives the hinge seat 16 to move, the hinge seat 16 drives the hinge rod 21 to move, the hinge rod 21 drives the seal plate 19 to move, the seal plate 19 moves out of the opening 17, the brush plate 15 continuously pushes the impurities on the filter plate 8 into the waste collection box 2, simultaneously, owing to set up spacing spring 12, can drive filter 8 when brush board 15 brushes and shake by a small margin to clear up the impurity on the filter 8, clear up waste collection box 2 with impurity after the clearance is ended in, prevented filter 8's jam, so satisfied people's demand.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A high-efficiency biological filter sewage treatment device comprises a treatment box which is arranged into a hollow structure, and is characterized in that a waste collecting box with an opening top is fixedly arranged on the inner wall of the bottom of the treatment box, a filter box which is arranged into a hollow structure is fixedly arranged on the inner wall of the bottom of the treatment box, the filter box is fixedly connected with the waste collecting box, a first chute is arranged on the inner wall of one side of the filter box, a first slide block is arranged in the first chute in a sliding way, a second chute is arranged on the inner wall of the other side of the filter box, a second slide block is arranged in the second chute in a sliding way, one end of the first slide block, which is close to the second slide block, extends into the filter box and is fixedly provided with the same filter plate, a limiting hole is arranged on the second slide block, a limiting rod is arranged in the limiting hole in a, and the top and the bottom of the limiting rod respectively extend into the corresponding mounting grooves and are in sliding connection with the corresponding mounting grooves, the bottom of the second sliding block is fixedly provided with a limiting spring sleeved on the outer side of the limiting rod, and the bottom end of the limiting spring is fixedly connected with the inner wall of the top of the second sliding groove.
2. The high efficiency biological filter sewage treatment plant according to claim 1, a moving groove is arranged on the inner wall of the top of the filter box, a moving plate is arranged in the moving groove in a sliding manner, the bottom end of the moving plate extends into the filter box and is fixedly provided with a brush plate, and the bottom of brush board contacts with the top of filter, one side fixed mounting of movable plate has the connecting plate, the one end fixed mounting that the movable plate was kept away from to the connecting plate has articulated seat, the opening has been seted up to the one side that the rose box is close to waste collection box, the sliding tray has been seted up on the inner wall of one side of rose box, the sliding tray is linked together with the opening, sliding tray and opening slidable mounting have same closing plate, the top fixed mounting of closing plate has reset spring, reset spring's top and the top inner wall fixed connection of sliding tray, articulated on the articulated seat have the hinge bar that the slope set up, the one end that articulated seat was kept away from.
3. The sewage treatment device of the high efficiency biological filter according to claim 1, wherein a fixed groove is formed on the inner wall of the other side of the filter box, a fixed block is slidably mounted in the fixed groove, a rotating plate is rotatably mounted on the fixed block and is obliquely arranged, one end of the rotating plate away from the fixed block is rotatably connected with the brush plate, a rotating motor is fixedly mounted on the top of the filter box, an output shaft of the rotating motor extends into the filter box and is fixedly mounted with an eccentric wheel, one side of the moving plate away from the connecting plate is in contact with the eccentric wheel, a positioning groove is formed on the inner wall of one side of the opening, a positioning block is fixedly mounted on one side of the sealing plate.
4. The high efficiency biological filter sewage treatment plant according to claim 1, wherein the top of the treatment tank is fixedly provided with a feeding pipe, the feeding pipe penetrates through the treatment tank and extends into the filter tank, one side of the treatment tank is fixedly provided with a discharging pipe, and the discharging pipe penetrates through the treatment tank and extends into the filter tank.
5. The high efficiency biological filter sewage treatment plant of claim 1 wherein the bottom of the treatment tank and the bottom of the waste collection tank are provided with the same placing opening, the bottom of the treatment tank is hinged with a cover plate, and the cover plate is in sealing fit with the placing opening.
6. The high efficiency biological filter sewage treatment plant according to claim 3, wherein the bottom of the fixed block is fixedly provided with a mounting spring, and the bottom end of the mounting spring is fixedly connected with the bottom inner wall of the fixed groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921824735.0U CN211025380U (en) | 2019-10-28 | 2019-10-28 | High-efficient biological filter sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921824735.0U CN211025380U (en) | 2019-10-28 | 2019-10-28 | High-efficient biological filter sewage treatment plant |
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| Publication Number | Publication Date |
|---|---|
| CN211025380U true CN211025380U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921824735.0U Active CN211025380U (en) | 2019-10-28 | 2019-10-28 | High-efficient biological filter sewage treatment plant |
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| CN (1) | CN211025380U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502263A (en) * | 2020-12-15 | 2021-03-16 | 高清如 | Road and bridge drainage ditch with good drainage effect |
| CN112604340A (en) * | 2020-11-25 | 2021-04-06 | 合肥梵赞环保科技有限公司 | Sewage treatment equipment with function of automatically cleaning sundries |
| CN112892050A (en) * | 2021-02-24 | 2021-06-04 | 陈秀玲 | Graphite alkene preparation is with having clean structure effluent collection device |
| CN113663407A (en) * | 2021-08-25 | 2021-11-19 | 杭州国泰环保科技股份有限公司 | High-efficient biological filter integrated device |
-
2019
- 2019-10-28 CN CN201921824735.0U patent/CN211025380U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112604340A (en) * | 2020-11-25 | 2021-04-06 | 合肥梵赞环保科技有限公司 | Sewage treatment equipment with function of automatically cleaning sundries |
| CN112502263A (en) * | 2020-12-15 | 2021-03-16 | 高清如 | Road and bridge drainage ditch with good drainage effect |
| CN112502263B (en) * | 2020-12-15 | 2021-12-24 | 高清如 | Road and bridge drainage ditch with good drainage effect |
| CN112892050A (en) * | 2021-02-24 | 2021-06-04 | 陈秀玲 | Graphite alkene preparation is with having clean structure effluent collection device |
| CN112892050B (en) * | 2021-02-24 | 2022-12-06 | 河南博灿新材料科技有限公司 | Graphite alkene preparation is with having clean structure effluent collection device |
| CN113663407A (en) * | 2021-08-25 | 2021-11-19 | 杭州国泰环保科技股份有限公司 | High-efficient biological filter integrated device |
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