CN115787804A - Assembled prevents flowing backward and intercepts dirty device along river - Google Patents
Assembled prevents flowing backward and intercepts dirty device along river Download PDFInfo
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- CN115787804A CN115787804A CN202310102359.9A CN202310102359A CN115787804A CN 115787804 A CN115787804 A CN 115787804A CN 202310102359 A CN202310102359 A CN 202310102359A CN 115787804 A CN115787804 A CN 115787804A
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- 239000010865 sewage Substances 0.000 claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 36
- 239000000565 sealant Substances 0.000 claims description 6
- 230000008093 supporting effect Effects 0.000 claims description 5
- 230000009193 crawling Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention discloses an assembled backflow-preventing river-following sewage interception device which comprises a sewage discharge pipe and a sewage interception pipe, wherein the sewage discharge pipe is connected with the sewage interception pipe through an inspection well, the sewage interception pipe is connected with a municipal sewage pipe, a protection wall for protecting the sewage interception pipe is arranged outside the sewage interception pipe, the protection wall is arranged at the bottom of a river, and the top of the protection wall is not lower than the normal water level of the river; the protective wall includes bottom plate and wallboard, and the wallboard is the assembled structure, and the top of wallboard is provided with the closing cap, has seted up a plurality of access cover on the closing cap. According to the assembly type backflow-preventing river-following sewage interception device, the sewage interception pipe is protected through the assembly type structure, so that the sewage interception pipe is separated from a river channel, the sewage in the sewage interception pipe is prevented from being mixed with river water in the river channel, the sewage interception pipe is convenient to overhaul, and the construction is convenient.
Description
Technical Field
The invention relates to the technical field of sewage interception, in particular to an assembled backflow-preventing sewage interception device along a river.
Background
The black and odorous water body in the city is a prominent ecological environment problem in the life of residents. The existing black and odorous water body is generally treated by burying a sewage interception pipe along the river bottom, then sending sewage into a municipal sewage pipe through the sewage interception pipe, and then entering a sewage plant for centralized treatment. The sewage interception pipe is buried at the river bottom, so that the construction is inconvenient; on the other hand if the joint of sewage intercepting pipe is insecure, river water can enter into the inside of sewage intercepting pipe through the joint of sewage intercepting pipe, influences the treatment effeciency of sewage plant, or sewage enters into the river course through the joint in the sewage intercepting pipe, causes the pollution to the river course. In addition, cut dirty pipe setting at the river bottom, when needs examine and repair to cutting dirty pipe, need the staff to sink into the river bottom, or can examine and repair after discharging the water in the river course, the maintenance of cutting dirty pipe is more troublesome.
Disclosure of Invention
The invention aims to provide an assembly type backflow-preventing river-following sewage interception device, which protects a sewage interception pipe through an assembly type structure, so that the sewage interception pipe is separated from a river channel, the sewage in the sewage interception pipe is prevented from being mixed with river water in the river channel, the sewage interception pipe is convenient to overhaul, and the construction is convenient.
In order to achieve the purpose, the invention provides an assembled backflow-preventing river-following sewage interception device which comprises a sewage discharge pipe and a sewage interception pipe, wherein the sewage discharge pipe is connected with the sewage interception pipe through an inspection well, the sewage interception pipe is connected with a municipal sewage pipe, a protection wall for protecting the sewage interception pipe is arranged outside the sewage interception pipe, the protection wall is arranged at the bottom of a river, and the top of the protection wall is not lower than the normal water level of the river; the protective wall includes bottom plate and wallboard, and the wallboard is the assembled structure, and the top of wallboard is provided with the closing cap, has seted up a plurality of access cover on the closing cap.
Preferably, the bottom plate is connected with the wall plate through a step surface, and a sealing gasket is paved on the step surface; a baffle is embedded in the bottom plate, the baffle is positioned outside the wallboard, a sealing gasket is arranged between the baffle and the wallboard, and the baffle and the wallboard are fixedly connected through bolts; a plurality of screw rods are pre-buried on the bottom plate, a second fixing plate is arranged on the wallboard, through holes for the screw rods to penetrate through are formed in the second fixing plate, and the screw rods are connected with the second fixing plate in a locking mode through nuts.
Preferably, the bottom plate is provided with an inclined strut for supporting the wallboard, and two ends of the inclined strut are respectively fixedly connected with the bottom plate and the wallboard.
Preferably, the height of the wall plate is not lower than 15cm of the normal water level of the river channel.
Preferably, a crawling ladder is fixedly arranged on the wall board and is positioned right below the access cover.
Preferably, the wall plate comprises a first sub plate, a second sub plate and a connecting plate, one end of the first sub plate is fixedly connected with the revetment in a sealing manner, and the first sub plate is fixedly connected with the second sub plate in a sealing manner through the connecting plate; a plurality of second daughter boards are arranged between the connecting boards, and the connecting boards are connected with the first daughter boards, the connecting boards are connected with the second daughter boards, and the second daughter boards are connected with the second daughter boards through the first connecting structures; the upper daughter board I and the lower daughter board I, the connecting plates and the daughter boards II are connected through the connecting structures II.
Preferably, the first connecting structure comprises a limiting block and a limiting groove which are matched, the limiting block and the limiting groove are arranged on two opposite connecting end surfaces, and sealant is filled between the connecting end surfaces; clamping blocks are arranged on the side faces of the two ends of the first sub-plate, the connecting plate and the second sub-plate, connecting sleeves are sleeved outside the two adjacent clamping blocks and are arranged in a full-length mode along the height direction of the wall plate, sealing gaskets are arranged between the connecting sleeves and the clamping blocks, and the two ends of each connecting sleeve are fixed on the first sub-plate, the connecting plate or the second sub-plate through screws.
Preferably, the limiting block is of a dovetail block structure, and the limiting groove is of a dovetail tenon structure; the fixture block is half forked tail block structure, and the inside cavity of connecting sleeve is the forked tail tenon structure.
Preferably, a first fixing plate is arranged at the connecting end of the first sub-plate and the revetment, the first fixing plate is fixedly connected with the revetment through screws, and a sealing gasket is arranged between the first fixing plate and the revetment.
Preferably, the second connecting structure comprises flanges arranged at the ends of the first daughter board, the connecting plate and the second daughter board, a fixing sleeve is sleeved outside the flange, and a sealing gasket is arranged between the fixing sleeve and the flange and fixedly connected through a bolt; positioning columns are arranged at the top ends of the first daughter board, the connecting plate and the second daughter board which are positioned at the lower part, positioning grooves matched with the positioning columns are arranged at the bottoms of the first daughter board, the connecting plate and the second daughter board which are positioned at the upper part, and the positioning columns are inserted into the positioning grooves; and sealant is filled on the connecting surfaces among the first daughter boards, the connecting plates and the second daughter boards.
The assembled type backflow-preventing river-following sewage interception device has the advantages and positive effects that:
1. set up the protecting wall in the outside of intercepting dirty pipe, the height of protecting wall is higher than normal water level, and the protecting wall carries out effectual separation with intercepting dirty pipe and river, can effectually prevent flowing backward of river, avoids the mixture of river and sewage.
2. The wallboard of protective wall chooses fabricated structure for use, carries out sealing connection through connection structure one between daughter board one, connecting plate and the daughter board two, carries out sealing connection through connection structure two between upper and lower daughter board one, connecting plate and the daughter board two, and the equipment is convenient, the construction of the protective wall of being convenient for.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an assembled type backflow-preventing river-following sewage interception device of the present invention;
FIG. 2 is a schematic cross-sectional view illustrating a protection wall according to an embodiment of the assembled type backflow-preventing river-following sewage interception device;
FIG. 3 is a schematic view of a wall plate connection structure of an embodiment of an assembled type backflow-preventing river-following sewage interception device of the present invention;
FIG. 4 is a schematic structural view of a longitudinal section of a protective wall of an embodiment of an assembled type backflow-preventing river-following sewage interception device according to the present invention;
fig. 5 is a schematic view of a connecting structure of a wall plate and a bottom plate of an embodiment of an assembled type backflow-preventing river-following sewage interception device.
Reference numerals
1. A sewage discharge pipe; 2. an inspection well; 3. a sewage interception pipe; 4. a municipal sewage pipe; 5. a protective wall; 6. a first daughter board; 7. a connecting plate; 8. a second daughter board; 9. a base plate; 10. a first fixing plate; 11. revetment; 12. a limiting block; 13. a limiting groove; 14. a clamping block; 15. connecting sleeves; 16. sealing glue; 17. a gasket; 18. sealing the cover; 19. an access cover; 20. a diagonal brace; 21. a baffle plate; 22. a second fixing plate; 23. a screw; 24. fixing a sleeve; 25. a positioning column; 26. and (7) positioning a groove.
Detailed Description
The technical scheme of the invention is further explained by the attached drawings and the embodiment.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
Fig. 1 is a schematic structural diagram of an embodiment of an assembled type backflow-preventing river-following sewage interception device. As shown in the figure, an assembled prevents flowing backward and cuts dirty device along a river, includes blow off pipe 1 and cuts dirty pipe 3, and blow off pipe 1 is connected with cutting dirty pipe 3 through inspection shaft 2, cuts dirty pipe 3 and is connected with municipal administration sewage pipe 4. The existing connection mode is selected for connection of the sewage discharge pipe 1, the inspection well 2 and the sewage interception pipe 3. The sewage pipe 1 converges sewage into the inspection well 2, enters the sewage intercepting pipe 3 through the inspection well 2, and converges the municipal sewage pipe 4 through the sewage intercepting pipe 3 for centralized treatment.
The outside of intercepting dirty pipe 3 is provided with the protecting wall 5 that protects intercepting dirty pipe 3, and protecting wall 5 sets up at the bottom of a river, and the top of protecting wall 5 is not less than the normal water level of river course. The protective wall 5 effectively separates the sewage intercepting pipe 3 from the river water in the river channel, and avoids the mixing of the river water and the sewage.
The protective wall 5 comprises a bottom plate 9 and a wallboard, wherein the bottom plate 9 is laid at the bottom of a river by adopting cast-in-place concrete, the bottom plate 9 and the revetment 11 are sealed by adopting the existing pouring sealing structure, and the sealing effect of the joint of the bottom plate 9 and the revetment 11 is ensured. The wallboard is the assembled structure, and the height of wallboard is not less than river course normal water level 15cm.
Fig. 2 is a schematic cross-sectional structure view of a protective wall of an embodiment of an assembled type backflow-preventing river-following sewage interception device of the invention, and fig. 3 is a schematic connection structure view of a wall plate of an embodiment of an assembled type backflow-preventing river-following sewage interception device of the invention. As shown in the figure, the wall plate comprises a first sub-plate 6, a second sub-plate 8 and a connecting plate 7, and the first sub-plate 6, the second sub-plate 8 and the connecting plate 7 are all prefabricated reinforced concrete plates. The first fixing plate 10 is arranged at the connecting end of the first sub-plate 6 and the revetment 11, and the first fixing plate 10 and the first sub-plate 6 are of an integral structure. The first fixing plate 10 is fixedly connected with the revetment 11 through screws, and a rubber sealing gasket 17 is arranged between the first fixing plate 10 and the revetment 11. Realize daughter board 6 and revetment 11's fixed connection through the screw, sealed pad 17 seals the junction, guarantees sealed effect.
The first daughter board 6 and the second daughter board 8 are fixedly connected in a sealing mode through a connecting plate 7, and the connecting plate 7 is of an L-shaped structure and is arranged at the corner of the protective wall 5. A plurality of second sub-boards 8 are arranged between the connecting boards 7, and the number of the second sub-boards 8 is set according to the length of the protective wall 5.
The connection plate 7 is connected with the first daughter board 6, the connection plate 7 is connected with the second daughter board 8, and the second daughter board 8 is connected with the second daughter board 8 through the first connection structure. The first connecting structure comprises a limiting block 12 and a limiting groove 13 which are matched with each other, and the limiting block 12 and the limiting groove 13 are arranged on two opposite connecting end faces of the first daughter board 6, the connecting board 7 or the second daughter board 8. The stopper 12 is the forked tail block structure, and spacing groove 13 is the forked tail tenon structure, and stopper 12 and spacing groove 13 will need to be connected carry on spacingly between daughter board 6, connecting plate 7 or the daughter board two 8, the alignment of the wallboard of being convenient for. The limiting block 12 and the limiting groove 13 are arranged in a full-length mode along the height direction of the first daughter board 6, the connecting board 7 and the second daughter board 8. And the connection end surfaces of the first daughter board 6, the connection plate 7 and the second daughter board 8 are filled with sealant 16, so that the sealing effect of the connection surface is improved.
Clamping blocks 14 are arranged on the side faces of the two ends of the first daughter board 6, the connecting plate 7 and the second daughter board 8, and the clamping blocks 14, the first daughter board 6, the connecting plate 7 or the second daughter board 8 are of an integral structure. The connecting sleeves 15 are sleeved outside the two adjacent clamping blocks 14, and the connecting sleeves 15 are high-strength steel plates sprayed with protective paint. The connecting sleeve 15 is arranged in a full-length mode along the height direction of the wall plate, the two adjacent clamping blocks 14 are connected through the connecting sleeve 15, and the connecting strength among the first daughter board 6, the connecting plate 7 and the second daughter board 8 is improved.
The fixture block 14 is a half dovetail block structure, the inner cavity of the connecting sleeve 15 is a dovetail tenon structure, and the connecting sleeve 15 is matched with the fixture block 14. A rubber sealing gasket 17 is arranged between the connecting sleeve 15 and the clamping block 14 and used for sealing the connecting position. Two ends of the connecting sleeve 15 are fixed on the daughter board I6, the connecting plate 7 or the daughter board II 8 through screws.
Fig. 4 is a schematic view of a longitudinal section structure of a protective wall according to an embodiment of the assembled type backflow-preventing and river-following sewage interception device of the invention, and fig. 5 is a schematic view of a connection structure of a wall plate and a bottom plate according to an embodiment of the assembled type backflow-preventing and river-following sewage interception device of the invention. As shown in the figure, the upper daughter board 6, the lower daughter board 6, the connecting board 7 and the daughter board 8 are connected through a second connecting structure. The second connecting structure comprises flanges arranged at the ends of the first daughter board 6, the connecting plate 7 and the second daughter board 8, a fixing sleeve 24 is sleeved outside the flanges, and a rubber sealing gasket 17 is arranged between the fixing sleeve 24 and the flanges and fixedly connected through bolts. The arrangement of the fixing sleeve 24 improves the connection strength of the upper daughter board I6 and the lower daughter board I7 or the connection plate II 8, and the sealing gasket 17 ensures the sealing property of the connection part.
The top ends of the daughter board I6, the connecting plate 7 and the daughter board II 8 which are positioned at the lower part are provided with positioning columns 25, the bottoms of the daughter board I6, the connecting plate 7 and the daughter board II 8 which are positioned at the upper part are provided with positioning grooves 26 matched with the positioning columns 25, and the positioning columns 25 are inserted into the positioning grooves 26. The positioning column 25 and the positioning groove 26 are used for positioning and connecting the upper daughter board I6, the lower daughter board I7 and the upper daughter board II 8, and the connection stability is improved. And sealant 16 is filled on the connection surfaces among the first daughter boards 6, the connection plates 7 and the second daughter boards 8.
The edge of the bottom plate 9 is provided with a step surface, and the daughter board I6, the connecting plate 7 and the daughter board II 8 are positioned above the bottom plate 9 and are connected with the bottom plate 9 through the step surface. A rubber sealing gasket 17 is laid on the step surface. Vertical baffle 21 is pre-buried on bottom plate 9, and baffle 21 is located daughter board 6, connecting plate 7, daughter board two 8's outside, carries on spacingly to daughter board 6, connecting plate 7, daughter board two 8. Sealing gaskets 17 are arranged between the baffle 21 and the first daughter board 6, between the connecting plate 7 and between the baffle 21 and the second daughter board 8, and the baffle 21 is fixedly connected with the first daughter board 6, the connecting plate 7 and between the baffle 21 and the second daughter board 8 through bolts.
A plurality of screw rods 23 are embedded in the bottom plate 9, a second fixing plate 22 is arranged on the first daughter board 6, the connecting plate 7 and the second daughter board 8, a through hole for the screw rod 23 to penetrate is formed in the second fixing plate 22, and the screw rod 23 is in locking connection with the second fixing plate 22 through a nut. The first daughter board 6, the connecting plate 7, the second daughter board 8 and the bottom plate 9 are fixedly connected through the baffle 21 and the screws, the first daughter board 6, the connecting plate 7 and the second daughter board 8 are fixedly connected through the second fixing plate 22 and the screw 23, and therefore the connection strength of the first daughter board 6, the connecting plate 7, the second daughter board 8 and the bottom plate 9 is improved.
The bottom plate 9 is provided with an inclined stay bar 20 which has a supporting effect on the daughter board I6, the connecting plate 7 and the daughter board II 8, and two ends of the inclined stay bar 20 are fixedly connected with the bottom plate 9 and the wallboard respectively, so that the stability of the daughter board I6, the connecting plate 7 and the daughter board II 8 is improved.
And a sealing cover 18 is arranged at the top of the wall plate, and the edge of the sealing cover 18 is fixedly connected with the first sub-plate 6, the connecting plate 7 and the second sub-plate 8 in a sealing way through screws and sealing gaskets 17. The cover 18 seals the top end of the wall panel to prevent the river from flowing back through the top end of the wall panel into the interior when the river volume is high. The cover 18 is provided with a plurality of access covers 19, and the access covers 19 and the cover 18 are in sealing and detachable connection through screws and sealing gaskets 17. The staff can enter the inside of wallboard through access cover 19, overhauls inspection shaft 2 and blow off pipe 3.
A ladder stand is arranged in the protective wall 5 and fixed on the bottom plate 9 and the second daughter board 8, and the ladder stand is positioned under the access cover 19. The cat ladder is convenient for the staff to enter into the inside of intercepting dirty device. The cover 18 and the access cover 19 may be grass cover plates.
Therefore, the assembly type backflow-preventing river-following sewage interception device is adopted, the sewage interception pipe is protected through the assembly type structure, the sewage interception pipe is separated from a river channel, the sewage in the sewage interception pipe is prevented from being mixed with river water in the river channel, the sewage interception pipe is convenient to overhaul, and the construction is convenient.
Finally, it should be noted that: the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides an assembled prevents flowing backward and cuts dirty device along a river, includes the blow off pipe and cuts dirty pipe, the blow off pipe passes through the inspection shaft and cuts dirty union coupling, cuts dirty pipe and municipal administration sewage union coupling, its characterized in that: a protection wall for protecting the sewage interception pipe is arranged outside the sewage interception pipe, the protection wall is arranged at the bottom of the river, and the top of the protection wall is not lower than the normal water level of the river; the protective wall includes bottom plate and wallboard, and the wallboard is the assembled structure, and the top of wallboard is provided with the closing cap, has seted up a plurality of access cover on the closing cap.
2. The assembled type backflow-preventing river-following sewage interception device according to claim 1, characterized in that: the bottom plate is connected with the wall plate through a step surface, and a sealing gasket is paved on the step surface; a baffle is embedded in the bottom plate, the baffle is positioned outside the wallboard, a sealing gasket is arranged between the baffle and the wallboard, and the baffle is fixedly connected with the wallboard through a bolt; a plurality of screw rods are pre-buried on the bottom plate, a second fixing plate is arranged on the wallboard, through holes for the screw rods to penetrate through are formed in the second fixing plate, and the screw rods are connected with the second fixing plate in a locking mode through nuts.
3. The assembled type backflow-preventing river-following sewage interception device as claimed in claim 2, wherein: the bottom plate is provided with an inclined supporting rod which has a supporting effect on the wallboard, and two ends of the inclined supporting rod are fixedly connected with the bottom plate and the wallboard respectively.
4. The assembled type backflow-preventing river-following sewage interception device as claimed in claim 3, wherein: the height of the wallboard is not lower than the river channel normal water level by 15cm.
5. The assembled type backflow-preventing river-following sewage interception device according to claim 4, characterized in that: the wallboard is fixedly provided with a crawling ladder which is positioned under the access cover.
6. The assembled type backflow-preventing river-following sewage interception device according to claim 5, characterized in that: the wall plate comprises a first sub plate, a second sub plate and a connecting plate, wherein one end of the first sub plate is fixedly connected with the revetment in a sealing manner, and the first sub plate is fixedly connected with the second sub plate in a sealing manner through the connecting plate; a plurality of second daughter boards are arranged between the connecting boards, and the connecting boards are connected with the first daughter boards, the connecting boards are connected with the second daughter boards, and the second daughter boards are connected with the second daughter boards through the first connecting structures; the upper sub-board I and the lower sub-board I, the connecting boards and the sub-board II are connected through a second connecting structure.
7. The assembly type backflow-preventing river-following sewage interception device as claimed in claim 6, wherein: the first connecting structure comprises a limiting block and a limiting groove which are matched, the limiting block and the limiting groove are arranged on two opposite connecting end surfaces, and sealant is filled between the connecting end surfaces; clamping blocks are arranged on the side faces of the two ends of the first daughter board, the connecting plate and the second daughter board, a connecting sleeve is sleeved outside the two adjacent clamping blocks, the connecting sleeve is arranged in the full-length mode along the height direction of the wallboard, a sealing gasket is arranged between the connecting sleeve and the clamping blocks, and the two ends of the connecting sleeve are fixed on the first daughter board, the connecting plate or the second daughter board through screws.
8. The assembled type backflow-preventing river-following sewage interception device according to claim 7, characterized in that: the limiting block is of a dovetail block structure, and the limiting groove is of a dovetail tenon structure; the fixture block is half forked tail block structure, and the inside cavity of connecting sleeve is the forked tail tenon structure.
9. The assembled type backflow-preventing river-following sewage interception device according to claim 8, characterized in that: the first sub-plate is connected with the revetment through a first fixing plate, the first fixing plate is fixedly connected with the revetment through screws, and a sealing gasket is arranged between the first fixing plate and the revetment.
10. The assembled type backflow-preventing river-following sewage interception device according to claim 9, wherein: the second connecting structure comprises flanges arranged at the ends of the first daughter board, the connecting plate and the second daughter board, a fixed sleeve is sleeved outside the flanges, and a sealing gasket is arranged between the fixed sleeve and the flanges and is fixedly connected with the fixed sleeve through bolts; positioning columns are arranged at the top ends of the daughter board I, the connecting plate and the daughter board II which are positioned at the lower part, positioning grooves matched with the positioning columns are arranged at the bottoms of the daughter board I, the connecting plate and the daughter board II which are positioned at the upper part, and the positioning columns are inserted into the positioning grooves; sealant is filled on the connecting surfaces between the first daughter boards, the connecting boards and the second daughter boards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310102359.9A CN115787804B (en) | 2023-02-13 | 2023-02-13 | Assembled prevents flowing backward river-side and cuts dirty device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310102359.9A CN115787804B (en) | 2023-02-13 | 2023-02-13 | Assembled prevents flowing backward river-side and cuts dirty device |
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| Publication Number | Publication Date |
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| CN115787804A true CN115787804A (en) | 2023-03-14 |
| CN115787804B CN115787804B (en) | 2023-04-14 |
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| CN202310102359.9A Active CN115787804B (en) | 2023-02-13 | 2023-02-13 | Assembled prevents flowing backward river-side and cuts dirty device |
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| CN116163385A (en) * | 2023-03-20 | 2023-05-26 | 福州市规划设计研究院集团有限公司 | Prevent flowing backward tubular well integration along river and intercept dirty device |
| CN116575552A (en) * | 2023-05-12 | 2023-08-11 | 泗洪县水利工程建设管理中心 | Assembled anti-backflow river-along sewage interception device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116163385A (en) * | 2023-03-20 | 2023-05-26 | 福州市规划设计研究院集团有限公司 | Prevent flowing backward tubular well integration along river and intercept dirty device |
| CN116575552A (en) * | 2023-05-12 | 2023-08-11 | 泗洪县水利工程建设管理中心 | Assembled anti-backflow river-along sewage interception device |
| CN116575552B (en) * | 2023-05-12 | 2023-12-01 | 泗洪县水利工程建设管理中心 | Assembled anti-backflow river-along sewage interception device |
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|---|---|
| CN115787804B (en) | 2023-04-14 |
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