CN114307270A - A settling tank for sewage treatment - Google Patents
A settling tank for sewage treatment Download PDFInfo
- Publication number
- CN114307270A CN114307270A CN202210088586.6A CN202210088586A CN114307270A CN 114307270 A CN114307270 A CN 114307270A CN 202210088586 A CN202210088586 A CN 202210088586A CN 114307270 A CN114307270 A CN 114307270A
- Authority
- CN
- China
- Prior art keywords
- partition plate
- settling tank
- partition
- sewage treatment
- baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 122
- 238000007789 sealing Methods 0.000 claims description 11
- 238000004065 wastewater treatment Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 28
- 239000013049 sediment Substances 0.000 abstract description 11
- 238000004140 cleaning Methods 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000004062 sedimentation Methods 0.000 description 18
- 238000001556 precipitation Methods 0.000 description 8
- 239000002244 precipitate Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method 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
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Sewage (AREA)
Abstract
The invention provides a settling tank for sewage treatment, which comprises a settling tank, a first partition plate, a second partition plate, supports and a supporting assembly, wherein the supports are arranged on two sides of the settling tank, and a rack rod is arranged between the two supports; the supporting component is at least provided with one group, each group comprises two telescopic supporting rods, one end of each supporting rod is hinged to the frame rod, one end of each supporting rod is hinged to the first partition plate, the other supporting rod is hinged to the second partition plate, and the first partition plate and the second partition plate can be unfolded or closed by controlling the stretching of the supporting rods. According to the invention, the support rod, the first partition plate and the second partition plate are arranged on the settling tank, and the functions of settling suspended matters and impurities in water and discharging sediments at the bottom of the settling tank are realized through the cooperation of the support, the support rod, the first partition plate and the second partition plate, so that the cleaning work is simpler and more convenient, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a settling tank for sewage treatment.
Background
Sedimentation is an important link in the sewage treatment process, and a sedimentation tank is a structure for removing suspended matters in water. The water is mainly removed from suspended matters by utilizing the natural sedimentation or coagulating sedimentation effect of the water. The sedimentation tank is divided into a horizontal sedimentation tank and a vertical sedimentation tank according to the water flow direction.
The existing horizontal sedimentation tank is mostly a concrete-built, masonry structure, masonry-lined soil tank or a large-scale metal box. The advection type sedimentation tank has simple structure, good sedimentation effect, stable working performance and wide application. However, the sediment after precipitation is not easy to clean and needs to be cleaned manually after water is drained, and if a mud scraper is additionally arranged or the heavy sediment is mechanically removed, the cleaning efficiency of the sedimentation tank is improved, but the cleaning work is more complicated.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the sediment of the existing sedimentation tank after sedimentation is difficult to clean and needs to be cleaned manually, and in addition, the cleaning work is more complicated by using a dirt cleaning machine.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the settling tank for sewage treatment comprises a settling tank and is characterized by further comprising a first partition plate, a second partition plate, brackets and a supporting assembly, wherein the brackets are arranged on two sides of the settling tank, and a rack rod is arranged between the two brackets;
the support assembly is at least provided with one group, each group comprises two telescopic support rods, one end of each support rod is hinged to a frame rod, one end of one support rod is hinged to the first partition plate, the other support rod is hinged to the second partition plate, and the first partition plate and the second partition plate can be unfolded or closed by controlling the extension and retraction of the support rods.
Preferably, the support is capable of telescopic height adjustment.
Preferably, the support rod is driven to extend and retract by adopting hydraulic drive or driven by a screw transmission pair.
Preferably, sealing strips are arranged on the edges of the first partition plate and the second partition plate, and the sealing strips can be tightly attached to the inner wall of the settling tank.
Preferably, a sewage draining hole is formed in the first partition plate or the second partition plate.
Preferably, a drain pipe is installed in the drain hole.
Preferably, one side of the first partition board is hinged with one side of the second partition board.
Preferably, the baffle plate with the same length as that of the first partition plate and the second partition plate is arranged at the edge position of one side, which is hinged relatively to the first partition plate and the second partition plate;
the baffle is respectively and vertically arranged with the first clapboard and the second clapboard.
Preferably, the baffle can be folded inwards in one direction to be attached to the first partition board or the second partition board.
Preferably, rotating shafts are arranged on two opposite sides of the outer wall of the settling tank.
The sedimentation tank has the beneficial effects that the bracket, the support rod, the first partition plate and the second partition plate are arranged on the sedimentation tank and are matched with each other, so that the functions of precipitating suspended matters and impurities in water and discharging sediments at the bottom of the sedimentation tank are realized, the cleaning work is simpler and more convenient, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an overall combined front view structure provided by an embodiment of the present invention;
FIG. 2 is a schematic perspective view of FIG. 1;
FIG. 3 is a schematic diagram of a second overall assembly structure provided by the embodiment of the present invention;
FIG. 4 is a schematic bottom view of a first partition and a second partition according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a support rod, a bracket and a partition board provided by an embodiment of the invention in a combined state;
FIG. 6 is a schematic perspective view of FIG. 4;
FIG. 7 is a schematic structural view of the support rods, brackets and partition in an operating state according to the embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a support rod, a bracket and a partition board according to an embodiment of the present invention in an operating state;
FIG. 9 is a schematic diagram of the three structures of the support rods, the brackets and the partition boards in the working state according to the embodiment of the invention;
FIG. 10 is a schematic diagram of the working states of the support rods, the brackets and the partition boards provided by the embodiment of the invention;
in the figure: 1-a settling tank, 2-a first partition plate, 3-a second partition plate, 4-a bracket, 5-a support rod, 6-a rotating shaft, 7-a sewage discharge hole, 8-a sewage discharge pipe, 9-a sealing strip, 10-a baffle and 11-a frame rod.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It is to be understood that these examples are for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
In a specific embodiment, a settling tank for sewage treatment is provided, which comprises a settling tank 1, wherein the settling tank 1 has a structure basically consistent with that of the existing settling tank 1, and is not described herein any more, the settling tank further comprises a first partition plate 2, a second partition plate 3, supports 4 and a support assembly, the supports 4 are installed on two sides of the settling tank 1, and a frame rod 11 is installed between the two supports 4; the supporting component is at least provided with one group, each group comprises two supporting rods 5, the supporting rods 5 are driven to stretch and retract by adopting hydraulic drive or through a screw transmission pair, two groups of supporting rods 5 are preferably arranged in the scheme, the supporting rods 5 are hydraulic rods taking liquid as working media, and the heavier objects can be easily lifted by controlling the stretching and retracting of the supporting rods 5.
One end of one of the supporting rods 5 is hinged with the first partition plate 2, the other supporting rod 5 is hinged with the second partition plate 3, the other end of the two supporting rods is hinged with the frame rod 11, the first partition plate 2 and the second partition plate 3 can be unfolded or closed by controlling the extension of the supporting rods 5, and the functions can be realized by the two current schemes:
in the first scheme, 2 longitudinally-arranged hinged parts are respectively arranged on a first partition board 2 and a second partition board 3 and are respectively hinged with a support rod 5, when the outer support rod 5 extends and the inner support rod 5 shortens, the first partition board 2 or the second partition board 3 inclines to close the first partition board 2 and the second partition board 3, otherwise, the inner support rod 5 extends and the outer support rod 5 shortens, and the first partition board 2 and the second partition board 3 can be unfolded (as shown in fig. 3);
and in the second scheme, one side of the first partition plate 2 is hinged with one side of the second partition plate 3, 2 hinged parts which are transversely arranged and close to the inner sides are respectively arranged on the first partition plate 2 and the second partition plate 3 and are respectively hinged with the supporting rod 5, and because the first partition plate 2 is hinged with the second partition plate 3, the first partition plate 2 or the second partition plate 3 naturally inclines inwards under the action of gravity, at the moment, the supporting rod 5 rotates inwards to close the first partition plate 2 and the second partition plate 3, otherwise, the supporting rod 5 rotates outwards to further extend the first partition plate 2 and the second partition plate 3 (as shown in figure 2).
In the scheme, the second scheme is preferably used for realizing the function of unfolding or closing the first partition plate 2 and the second partition plate 3.
As preferred scheme, support 4 can stretch out and draw back and then adjust the height of hack lever 11, because bracing piece 5 is articulated with hack lever 11, when support 4 risees, can drive the bracing piece and carry out altitude mixture control, support 4 cooperates with bracing piece 5 this moment, can realize more functions of baffle one 2 and baffle two 3.
Because the existing advection type sedimentation tank consists of three parts, namely a water inlet, a water outlet, a water flow part and a sludge bucket, the plane of the tank body is rectangular, the inlet and the outlet are respectively arranged at two ends of the tank, the inlet is generally submerged into a water inlet hole, water flows into the tank body from a water inlet channel through the water inlet holes which are uniformly distributed, and a baffle plate is arranged behind the water inlet hole, so that the water flow is uniformly distributed on the cross section of the whole tank width; the outlet is provided with an overflow weir to ensure that settled clarified water can uniformly flow into the water outlet channel along the width of the pool, and a scum groove and a baffle are arranged in front of the weir to intercept scum on the water surface. When needs clear up the sedimentation tank, need clear up at the manual work behind the exhaust of water, utilize special dirt removing machine to make the cleaning work more complicated. The defects can be overcome through the mutual matching among the bracket 4, the support rod 5, the first partition plate 2 and the second partition plate 3.
The specific implementation mode is as follows: firstly, the bracket 4 is lifted, the support rod 5 is shortened and rotates outwards, the first partition plate 2 and the second partition plate 3 are unfolded, water to be precipitated is injected into the precipitation tank 1, and suspended matters in the water are removed by utilizing the natural precipitation or coagulating precipitation effect of the water. At this time, the working states of the bracket 4, the support rod 5, the first clapboard 2 and the second clapboard 3 are shown in figure 7;
and secondly, extending the support rod 5 and rotating the support rod inwards to close the first partition plate 2 and the second partition plate 3, and slowly lowering the support 4 to immerse the first partition plate 2 and the second partition plate 3 into water and place the first partition plate and the second partition plate above the precipitation layer. At this time, the working states of the bracket 4, the support rod 5, the first clapboard 2 and the second clapboard 3 are shown in figure 8;
and thirdly, the supporting rod 5 extends and rotates outwards to enable the first partition plate 2 and the second partition plate 3 to be unfolded to form a plane to cover the precipitation layer, preferably, a sealing strip 9 is arranged at the edge of the first partition plate 2 and the edge of the second partition plate 3 to enable the sealing strip 9 to be attached to the inner wall of the precipitation box 1, the sealing strip 9 is made of foam materials, has certain elasticity and good sealing performance, and prevents precipitates from overflowing from gaps between the first partition plate 2 and the second partition plate 3 and the inner wall of the precipitation box 1. At this moment, the sediment and the water can be effectively separated, at this moment, the water above the first partition plate 2 and the second partition plate 3 can be pumped away by arranging a water pump, the rotating shafts 6 can also be arranged on two opposite sides of the outer wall of the settling tank 1, the settling tank 1 is fixed by the rotating shafts 6, the water is poured out, and the sediment cannot flow out due to the first partition plate 2, the second partition plate 3 and the sealing strips on the edges of the partition plate. At this time, the working states of the bracket 4, the support rod 5, the first clapboard 2 and the second clapboard 3 are shown in fig. 9;
fourthly, the supporting rod 5 is shortened and rotates inwards, so that the outer edges of the first partition plate 2 and the second partition plate 3 are tightly attached to the bottom of the settling tank, the sediment can be gathered, hard substances such as stone gravel and the like can exist in the sediment, the sealing strips 9 can be damaged when the first partition plate 2 and the second partition plate 3 are gathered inwards, in order to better gather the sediment together, the baffle 10 with the length the same as that of the first partition plate 2 and the second partition plate 3 is arranged at the edge position of the hinged side of the first partition plate 2 and the second partition plate 3, the baffle 10 is perpendicular to the first partition plate 2 or the second partition plate 3, and when the first partition plate 2 and the second partition plate 3 are gathered inwards, the baffle 10 can easily gather hard impurities in the sediment together. The baffle 10 is preferably arranged to be of a structure which can be folded in one direction and attached to the first partition plate 2 or the second partition plate 3, so that when the first partition plate 2 and the second partition plate 3 are gathered together inwards, the baffle 10 is attached to the ground all the time, and precipitates are gathered together more cleanly. Still can't reach the purpose with precipitate exhaust this moment, for solving this problem, seted up a blowoff hole 7 on baffle one 2 or baffle two 3 in the present case to install a blow off pipe 8 in blowoff hole 7, after the precipitate gathers together, utilize blow off pipe 8 to take out the precipitate, when preventing to gather together the precipitate, the precipitate runs out from blowoff hole 7, the preferred lid of installing on the blowoff hole, only when the 8 blowdown of needs blow off pipe, just need take off the lid. The working states of the bracket 4, the support rod 5, the first partition board 2 and the second partition board 3 are shown in fig. 10.
Synthesize above-mentioned, accomplish whole setting tank 1 and deposit the function of aquatic suspended solid and impurity and discharge setting tank 1 bottom deposit.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A settling tank for sewage treatment comprises a settling tank (1) and is characterized by further comprising a first partition plate (2), a second partition plate (3), brackets (4) and a supporting assembly, wherein the brackets (4) are arranged on two sides of the settling tank (1), and a rack rod (11) is arranged between the two brackets (4);
the supporting assembly is at least provided with one group, each group comprises two telescopic supporting rods (5), one end of each supporting rod (5) is hinged to a frame rod (11), one end of one supporting rod (5) is hinged to the first partition plate (2), the other supporting rod (5) is hinged to the second partition plate (3), and the first partition plate (2) and the second partition plate (3) can be unfolded or closed by controlling the telescopic movement of the supporting rods (5).
2. A settling tank for sewage treatment according to claim 1, characterised in that the stand (4) is telescopically adjustable in height.
3. A settling tank for sewage treatment according to claim 1, characterised in that the support rods (5) are hydraulically driven to telescope or driven by screw drive pairs.
4. A settling tank for sewage treatment according to claim 1, characterized in that sealing strips (9) are arranged at the edges of the first partition (2) and the second partition (3), and the sealing strips (9) can be tightly attached to the inner wall of the settling tank (1).
5. A settling tank for sewage treatment according to claim 1, characterized in that a drainage hole (7) is provided in the first partition (2) or the second partition (3).
6. A settling tank for sewage treatment as claimed in claim 5, wherein a sewage drain (8) is arranged in the sewage draining hole (7).
7. A settling tank for wastewater treatment according to claim 1, characterized in that one side of the first partition (2) is hinged to one side of the second partition (3).
8. A settling tank for sewage treatment according to claim 1, wherein the baffle (10) with the same length as the baffle (2) and the baffle (3) is arranged at the edge position of the opposite hinged side of the baffle I (2) and the baffle II (3);
the baffle (10) is respectively and vertically arranged with the first partition plate (2) and the second partition plate (3).
9. A settling tank for waste water treatment according to claim 8, characterised in that the baffle (10) is adapted to be folded inwardly in one direction to engage with the first partition (2) or the second partition (3).
10. A settling tank for sewage treatment according to claim 1, characterized in that the rotating shafts (6) are arranged at opposite sides of the outer wall of the settling tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210088586.6A CN114307270A (en) | 2022-01-25 | 2022-01-25 | A settling tank for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210088586.6A CN114307270A (en) | 2022-01-25 | 2022-01-25 | A settling tank for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114307270A true CN114307270A (en) | 2022-04-12 |
Family
ID=81028623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210088586.6A Pending CN114307270A (en) | 2022-01-25 | 2022-01-25 | A settling tank for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114307270A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB520935A (en) * | 1938-09-06 | 1940-05-08 | Louis Neyer | Improvements in and relating to sedimentation apparatus |
| JP2002052302A (en) * | 2000-08-09 | 2002-02-19 | Japan Organo Co Ltd | Liquid processing device |
| CN107432718A (en) * | 2017-08-22 | 2017-12-05 | 安徽风向标清洁设备有限公司 | Fold brush |
| CN107694184A (en) * | 2017-11-30 | 2018-02-16 | 南京灿华光电设备有限公司 | A kind of energy-saving household sewage processing equipment based on Internet of Things |
| CN110015763A (en) * | 2019-04-24 | 2019-07-16 | 吴雪杏 | A kind of energy conservation and environmental protection sewage treatment equipment for electronics processing |
| CN211069137U (en) * | 2019-09-03 | 2020-07-24 | 深圳市力勤品均环保科技有限公司 | Horizontal flow type sewage treatment equipment |
| CN211383941U (en) * | 2019-11-08 | 2020-09-01 | 岑耀棠 | Environment-friendly sedimentation tank for sewage treatment |
| CN111732274A (en) * | 2020-06-24 | 2020-10-02 | 生态环境部华南环境科学研究所 | Biological purification system for treating black and odorous water body in river channel |
| CN213077580U (en) * | 2020-09-24 | 2021-04-30 | 上海市堤防（泵闸）设施管理处 | Umbrella type silt treatment device |
| CN112933682A (en) * | 2021-04-01 | 2021-06-11 | 安徽农业大学 | Equipment for treating sewage from micropterus salmoides cultivation |
| CN112973275A (en) * | 2021-02-25 | 2021-06-18 | 湖北煤炭地质一二五队 | Double-layer horizontal flow type sedimentation tank for drinking water purification of surface water |
| CN113149101A (en) * | 2021-01-27 | 2021-07-23 | 孙晓雷 | Sewage treatment pond mud sediment collection limit collection device that floats |
| CN213823585U (en) * | 2020-11-03 | 2021-07-30 | 苏州金百特水处理科技有限公司 | Sedimentation tank for sewage treatment |
-
2022
- 2022-01-25 CN CN202210088586.6A patent/CN114307270A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB520935A (en) * | 1938-09-06 | 1940-05-08 | Louis Neyer | Improvements in and relating to sedimentation apparatus |
| JP2002052302A (en) * | 2000-08-09 | 2002-02-19 | Japan Organo Co Ltd | Liquid processing device |
| CN107432718A (en) * | 2017-08-22 | 2017-12-05 | 安徽风向标清洁设备有限公司 | Fold brush |
| CN107694184A (en) * | 2017-11-30 | 2018-02-16 | 南京灿华光电设备有限公司 | A kind of energy-saving household sewage processing equipment based on Internet of Things |
| CN110015763A (en) * | 2019-04-24 | 2019-07-16 | 吴雪杏 | A kind of energy conservation and environmental protection sewage treatment equipment for electronics processing |
| CN211069137U (en) * | 2019-09-03 | 2020-07-24 | 深圳市力勤品均环保科技有限公司 | Horizontal flow type sewage treatment equipment |
| CN211383941U (en) * | 2019-11-08 | 2020-09-01 | 岑耀棠 | Environment-friendly sedimentation tank for sewage treatment |
| CN111732274A (en) * | 2020-06-24 | 2020-10-02 | 生态环境部华南环境科学研究所 | Biological purification system for treating black and odorous water body in river channel |
| CN213077580U (en) * | 2020-09-24 | 2021-04-30 | 上海市堤防（泵闸）设施管理处 | Umbrella type silt treatment device |
| CN213823585U (en) * | 2020-11-03 | 2021-07-30 | 苏州金百特水处理科技有限公司 | Sedimentation tank for sewage treatment |
| CN113149101A (en) * | 2021-01-27 | 2021-07-23 | 孙晓雷 | Sewage treatment pond mud sediment collection limit collection device that floats |
| CN112973275A (en) * | 2021-02-25 | 2021-06-18 | 湖北煤炭地质一二五队 | Double-layer horizontal flow type sedimentation tank for drinking water purification of surface water |
| CN112933682A (en) * | 2021-04-01 | 2021-06-11 | 安徽农业大学 | Equipment for treating sewage from micropterus salmoides cultivation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209025186U (en) | A kind of environment-friendly type road drainage system in civil engineering | |
| CN115012474B (en) | Rainwater collection and recycling system for sponge city | |
| CN114307270A (en) | A settling tank for sewage treatment | |
| CN111085013A (en) | Grid reaction sedimentation tank convenient for sludge discharge | |
| CN216379719U (en) | Water conservancy sediment removal device | |
| CN214614449U (en) | Municipal administration rainwater regulation system | |
| CN218608170U (en) | Sedimentation tank device for precipitation in construction site | |
| CN211690672U (en) | Gardens drainage device | |
| CN211676454U (en) | Grid reaction sedimentation tank convenient for sludge discharge | |
| CN210013198U (en) | Novel sewage treatment system is floated blowdown on water device | |
| CN213994938U (en) | A sedimentation tank desilting device for sewage treatment | |
| CN215692382U (en) | Industrial wastewater advanced treatment device | |
| CN216225832U (en) | Spiral sand washer capable of improving cleaning effect | |
| CN108654149B (en) | Sludge collecting device after sewage treatment | |
| CN220247130U (en) | Prevent siltation municipal drainage blow off pipeline | |
| CN220034168U (en) | Sewage precipitation separation device | |
| CN115710961A (en) | Sponge urban water storage module high in assembly efficiency | |
| CN219491236U (en) | Underground rainwater regulation and storage pond | |
| CN221236098U (en) | Hydraulic engineering dredging device | |
| CN218204679U (en) | Gardens rainwater is collected and is recycled system | |
| CN216340034U (en) | Pond waste fitting discharging based on landscape garden is used | |
| CN219462781U (en) | Waterproof drainage device of construction | |
| CN221032745U (en) | Tunnel sewage discharge device | |
| CN214763512U (en) | Large-scale ultra-deep foundation ditch engineering is with cistern that has effluent disposal mechanism | |
| CN219662960U (en) | Device for extracting sludge from wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220412 |