CN211056854U - Black and odorous river water purifying equipment - Google Patents
Black and odorous river water purifying equipment Download PDFInfo
- Publication number
- CN211056854U CN211056854U CN201921790792.1U CN201921790792U CN211056854U CN 211056854 U CN211056854 U CN 211056854U CN 201921790792 U CN201921790792 U CN 201921790792U CN 211056854 U CN211056854 U CN 211056854U
- Authority
- CN
- China
- Prior art keywords
- impurity
- black
- impurity removing
- temporary storage
- tank
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 239000012535 impurity Substances 0.000 claims abstract description 91
- 238000000746 purification Methods 0.000 claims abstract description 42
- 238000003860 storage Methods 0.000 claims abstract description 40
- 238000005273 aeration Methods 0.000 claims description 39
- 238000004062 sedimentation Methods 0.000 claims description 33
- 239000003814 drug Substances 0.000 claims description 31
- 238000005086 pumping Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 12
- 229940079593 drug Drugs 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 29
- 238000000034 method Methods 0.000 abstract description 6
- 238000005352 clarification Methods 0.000 abstract description 2
- 239000010802 sludge Substances 0.000 description 8
- 239000010813 municipal solid waste Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 229940037003 alum Drugs 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a black and odorous river water clarification plant uses in the sewage treatment field, has solved traditional river course purification method and though can purify the river, but the treatment effeciency is slower, is difficult to carry out the technical problem who purifies to the water fast, and its technical scheme main points are: the drainage channel is communicated with a temporary storage pool; the device also comprises an impurity removing component, a dredging component and a deep purification component; the impurity removing assembly comprises an impurity collecting pool arranged on the temporary storage pool and an impurity removing roller rotatably arranged on the temporary storage pool, impurity removing teeth are arranged on the impurity removing roller, impurity guide plates for guiding impurities to fall into the impurity collecting pool are obliquely arranged on the impurity collecting pool in a direction towards the drainage channel, impurity collecting teeth are obliquely extended on the impurity guide plates, and the impurity collecting teeth and the impurity removing teeth are arranged in a staggered manner; the sewage purification device has the technical effects that the temporary storage pool is used for temporarily storing polluted river water, and the impurity removal assembly, the dredging assembly and the deep purification assembly can quickly purify sewage.
Description
Technical Field
The utility model relates to a sewage treatment field, in particular to black and odorous river water purifying equipment.
Background
Along with the development of urbanization, the pollution of the river channel is more and more serious, and a plurality of pollutants and disposable plastic products are directly discharged into the river channel, so that the water body is seriously polluted, blackened and smelly, the COD content is high, but the content of dissolved oxygen in the black and odorous water body is extremely low, so that the pollution in the water body cannot be oxidized and decomposed, and sediment deposits are deposited.
At present, a chinese patent publication No. CN106946339A discloses a method for in-situ river purification and ecological restoration, which comprises the following steps: 1. the method comprises the following steps of (1) in-situ treatment of bottom mud, (2) arrangement of an aeration device, (3) arrangement of an ecological floating island, (4) planting emergent aquatic plants on a constructed bank slope after the arrangement of the aeration device and the ecological floating island is finished, and (5) operation of a microporous aeration device after the arrangement of the restoration engineering facilities is finished, oxygenation is carried out on a water body, and the ecological floating island and the emergent aquatic plants are managed and protected.
Although the river purification method can purify river water, the treatment efficiency is low, and the water body is difficult to purify quickly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a black and odorous river water clarification plant, its advantage is kept in the pond and is used for temporarily saving contaminated river water, and purification treatment is carried out to sewage that edulcoration subassembly, desilting subassembly and deep purification subassembly can be quick.
The above technical purpose of the present invention can be achieved by the following technical solutions: a black and odorous river water purifying device comprises a drainage channel communicated with a river channel, wherein a drainage gate is arranged on the drainage channel, and the drainage channel is communicated with a temporary storage pool;
the device also comprises an impurity removing component, a dredging component and a deep purification component, wherein the impurity removing component is used for removing scum and larger impurities;
impurity removal subassembly is including setting up the miscellaneous pond of collection on the pond of keeping in and rotating the impurity removal roller that sets up on the pond of keeping in, be equipped with the impurity removal tooth on the impurity removal roller, the miscellaneous pond of collection is provided with the miscellaneous board of leading that guide debris fall into the miscellaneous pond of collection towards the direction slope of drainage canal, it extends to have the miscellaneous tooth of receipts to lead to incline to lean on the miscellaneous board, it sets up with the impurity removal tooth is crisscross to receive miscellaneous tooth.
Through the technical scheme, the drainage channel is used for draining water in the river channel into the temporary storage pool, and the temporary storage pool is used for storing sewage, so that the influence of purification equipment on the water flow speed of the original river channel is avoided; the drainage floodgate is used for opening and close the drainage canal to the speed of the rivers flow to the pond of keeping in of control river course. The impurity removing roller can drive the impurity removing teeth to rotate, so that the impurity removing teeth can prevent larger impurities in the sewage, such as leaves, branches, plastic impurities and the like, from falling into the temporary storage tank; the sundries are pulled down by the sundry collecting teeth along with the rotation of the sundry removing teeth, and the sundry guide plate guides the sundries to slide downwards, so that the sundries are collected in the sundry collecting pool; the dredging component removes sludge and the like in the sewage, and the deep purification component further treats the sewage, so that the sewage is rapidly purified; and edulcoration subassembly, desilting subassembly and deep purification subassembly all are independently to handle sewage, have guaranteed the efficiency of purification.
The utility model discloses further set up to: the desilting subassembly includes the sedimentation tank and inserts the pump silt pipe of establishing in the sedimentation tank, pump silt and be equipped with pump silt pump on the pipe, be equipped with one-level water pump between pond and the sedimentation tank of keeping in.
Through the technical scheme, the primary water delivery pump is used for pumping water in the temporary storage tank into the sedimentation tank, and the sedimentation tank is used for standing sewage so that the settleable solid impurities in the sewage can be settled to the bottom of the sedimentation tank so as to further purify the sewage; the sludge pump and the sludge pumping pipe can pump out sludge at the bottom of the sedimentation tank so as to maintain the cleanliness and the capacity of the sedimentation tank.
The utility model discloses further set up to: the bottom of the sedimentation tank is provided with an aeration component, and the aeration component comprises an aeration main pipe, aeration branch pipes communicated with the aeration main pipe and aeration heads arranged on the aeration branch pipes.
Through above-mentioned technical scheme, the air is carried aeration branch pipe through aeration main pipe, then in spraying the sewage in the sedimentation tank through the aeration head to improve the oxygen content of water, thereby reduce the harmful gas content in the sewage, further purification water quality.
The utility model discloses further set up to: the bottom of the impurity collecting tank is provided with a water filtering opening, and the water filtering opening is provided with a water filtering net.
Through above-mentioned technical scheme, the water strainer is arranged in stopping that the wastes material drops to the pond of keeping in, and the drainage mouth is arranged in supplying water stream to flow into the pond of keeping in from the miscellaneous pond of collection, avoids sewage to amass and stays in the miscellaneous pond of collection.
The utility model discloses further set up to: the deep purification assembly comprises a purification tank and a medicine storage box storing water purification medicines, a medicine outlet pipe is arranged at the bottom of the medicine storage box, and a medicine outlet valve is arranged on the medicine outlet pipe; and a secondary water delivery pump is arranged between the purification tank and the sedimentation tank.
According to the technical scheme, the medicine storage box is used for storing water purifying medicines such as alum and quicklime, the medicine outlet pipe is used for discharging the water purifying medicines into the purifying tank, and the medicine outlet valve is used for controlling the medicine discharge rate; and the secondary water delivery pump is used for pumping and discharging the water after sedimentation in the sedimentation tank into the purification tank.
The utility model discloses further set up to: the edulcoration tooth has the multiunit along the circumferencial direction evenly distributed of edulcoration roller, the length direction of edulcoration tooth sets up with the outside tangent of edulcoration roller.
Through the technical scheme, the sundries in the sewage can be prevented from falling into the temporary storage tank more quickly and effectively by the aid of the multiple groups of impurity removing teeth; the impurity removing teeth are tangent to the outer sides of the impurity removing rollers, so that impurities can slide into gaps between the impurity removing teeth and the impurity removing rollers along the impurity removing teeth, and the impurities can be pulled into the impurity collecting pool.
The utility model discloses further set up to: the drainage channel is arranged towards one side of the temporary storage pool in a downward inclined mode.
Through above-mentioned technical scheme, the drainage canal can be better guide rivers quick flow in to the pond of keeping in, guaranteed the efficiency of water delivery.
The utility model discloses further set up to: the temporary storage tank is provided with a driving motor for driving the impurity removal roller to rotate, and a main shaft of the driving motor and the impurity removal roller are in belt transmission.
Through above-mentioned technical scheme, driving motor is used for driving the edulcoration roller and rotates to the edulcoration tooth is quick dial impurity to the collection miscellaneous pond.
To sum up, the utility model discloses following beneficial effect has:
1. the impurity removing assembly is used for quickly removing impurities in the sewage, and the impurities are stirred into the impurity collecting pool in a mode that the impurity removing roller and the impurity removing teeth rotate, so that the flowing speed of water flow is not influenced while the impurities are quickly removed;
2. the drainage canal drains sewage into the temporary storage pool, so that river water is prevented from being directly purified on a river channel, and the sewage purification efficiency is improved.
Drawings
Fig. 1 is an overall configuration diagram of the present embodiment;
FIG. 2 is a schematic structural diagram of a trash removal assembly of the present embodiment;
FIG. 3 is a schematic structural view of the dredging assembly of the present embodiment;
FIG. 4 is a schematic structural view of the deep cleaning module of the present embodiment;
fig. 5 is an enlarged schematic view of a portion a of fig. 4.
Reference numerals: 1. a drainage channel; 2. a drain gate; 3. a temporary storage pool; 4. an impurity removal component; 5. a dredging component; 6. a deep purification assembly; 7. a impurity collecting pool; 8. an impurity removal roller; 9. removing impurities and teeth; 10. a trash guide plate; 11. collecting the impurity teeth; 12. a sedimentation tank; 13. pumping a silt pipe; 14. a sludge pump; 15. a first-stage water delivery pump; 16. an aeration assembly; 17. an aeration main pipe; 18. an aeration branch pipe; 19. an aeration head; 20. a water filtering port; 21. a water filtering net; 22. a purification tank; 23. a medicine storage box; 24. a medicine outlet pipe; 25. a medicine outlet valve; 26. a secondary water delivery pump; 27. the motor is driven.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1, a black and odorous river water purification equipment includes the drainage canal 1 with the river course intercommunication, and drainage canal 1 intercommunication has the pond of keeping in 3, and drainage canal 1 sets up towards the direction downward sloping of the pond of keeping in 3. A drainage gate 2 is arranged on the drainage channel 1, and the drainage gate 2 can cut off the water flow of the water flow channel when being put down, so that the water in the river channel stops flowing to the temporary storage pool 3; the drain gate 2 is lifted, and the sewage in the river channel flows into the temporary storage tank 3.
Referring to fig. 2, an impurity removing assembly 4 is arranged on the temporary storage tank 3, and the impurity removing assembly 4 is used for removing large impurities such as scum, branches and leaves, plastic garbage and the like, so that the burden of subsequent water body purification is reduced; the impurity removing assembly 4 comprises an impurity collecting pool 7 and an impurity removing roller 8 which are arranged on the temporary storage pool 3, one side of the impurity collecting pool 7, which faces the drainage channel 1, is provided with an impurity guide plate 10, and the impurity guide plate 10 is arranged in an upward inclined manner in the direction of the drainage channel 1; impurity collecting teeth 11 extend from the impurity guide plate 10, and a plurality of impurity collecting teeth 11 are uniformly distributed along the length direction of the impurity guide plate 10. The axis direction of edulcoration roller 8 sets up along the width direction of drainage canal 1, is fixed with six groups of edulcoration teeth 9 on the edulcoration roller 8, and every group edulcoration tooth 9 includes a plurality of edulcoration teeth 9 that distribute along 8 length direction of edulcoration roller, and six groups of edulcoration teeth 9 distribute along the axis direction of edulcoration roller 8, and edulcoration tooth 9 distributes with receipts miscellaneous tooth 11 is crisscross.
Referring to fig. 2, a water filtering port 20 is arranged at the bottom of the impurity collecting tank 7, a water filtering net 21 fixedly connected with the impurity collecting tank 7 is arranged at the water filtering port 20, impurities are collected in the impurity collecting tank 7, and sewage remaining on the impurities can flow to the temporary storage tank 3 below through the water filtering port 20; the temporary storage pool 3 is provided with a driving motor 27 for driving the impurity removing roller 8 to rotate, a belt is sleeved on a main shaft of the driving motor 27 and the impurity removing roller 8, and the driving motor 27 drives the impurity removing roller 8 to rotate through the belt.
Referring to fig. 3, the system further comprises a dredging component 5 arranged on one side of the temporary storage tank 3, wherein the dredging component 5 comprises a sedimentation tank 12 and a silt pumping pipe 13 inserted in the sedimentation tank 12, a primary water conveying pump 15 is arranged between the temporary storage tank 3 and the sedimentation tank 12, and the primary water conveying pump 15 is used for pumping water in the temporary storage tank 3 into the sedimentation tank 12; the silt pumping pipe 13 is provided with a silt pumping pump 14, and the silt pumping pipe 13 is inserted into the bottom of the sedimentation tank 12 so as to pump out silt at the bottom of the sedimentation tank 12 as much as possible, thereby ensuring the water containing capacity of the sedimentation tank 12 and the quality of water.
Referring to fig. 3, an aeration assembly 16 is arranged at the bottom of the sedimentation tank 12, the aeration assembly 16 comprises a main aeration pipe 17, a plurality of branch aeration pipes 18 communicated with the main aeration pipe 17, and aeration heads 19 arranged on the branch aeration pipes 18, the plurality of branch aeration pipes 18 are arranged in parallel, the plurality of branch aeration pipes 18 are horizontally laid at the bottom of the sedimentation tank 12, and the plurality of aeration heads 19 are arranged on each branch aeration pipe 18 in an array manner; the aeration main pipe 17 is communicated with a blower, and the aeration main pipe 17 sends air to the aeration branch pipe 18 and further inputs the air into the sedimentation basin 12 from an aeration head 19.
Referring to fig. 4 and 5, the system further comprises a deep purification assembly 6 arranged on one side of the sedimentation tank 12, the purification assembly comprises a purification tank 22 and a medicine storage tank 23 arranged above the purification tank 22, the purification tank 22 is arranged on one side of the sedimentation tank 12 far away from the temporary storage tank 3, a secondary water transfer pump 26 is arranged between the purification tank 22 and the sedimentation tank 12, and the secondary water transfer pump 26 is used for pumping water settled in the sedimentation tank 12 into the purification tank 22; alum for purifying water is stored in the medicine outlet box, the bottom of the medicine storage box 23 is communicated with a medicine outlet pipe 24, a medicine outlet valve 25 is arranged on the medicine outlet pipe 24, and the medicine outlet valve 25 is opened to discharge the purified water medicine in the medicine storage box 23 into the purifying tank 22 so as to further purify the water in the purifying tank 22.
The working process is briefly described as follows:
1. after the drainage gate 2 is opened, water in a river channel flows into the temporary storage tank 3 through the drainage channel 1, and impurities in the sewage are removed by the impurity removing assembly 4 in the process that the sewage flows into the temporary storage tank 3;
2. after the sewage is primarily settled in the temporary storage tank 3, the primary water conveying pump 15 pumps the primarily settled sewage into the settling tank 12;
3. the sewage is further settled in the settling pond 12, and then the sludge at the bottom of the settling pond 12 is pumped out by a sludge pump 14 through a sludge pumping pipe 13;
4. the secondary water pump 26 pumps the water in the sedimentation tank 12 to the purification tank 22, and further purifies the sewage through water purifying drugs.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The black and odorous river water purification equipment is characterized by comprising a drainage channel (1) communicated with a river channel, wherein a drainage gate (2) is arranged on the drainage channel (1), and the drainage channel (1) is communicated with a temporary storage pool (3);
the device also comprises an impurity removing component (4) for removing scum and larger impurities, a dredging component (5) and a deep purification component (6);
impurity removal subassembly (4) are including setting up miscellaneous pond of collection (7) on the pond of keeping in (3) and rotating impurity removal roller (8) of setting on the pond of keeping in (3), be equipped with impurity removal tooth (9) on impurity removal roller (8), the direction slope of the miscellaneous pond of collection (7) orientation drainage canal (1) is provided with guide debris and falls into leading miscellaneous board (10) of the miscellaneous pond of collection (7), lead to extending on miscellaneous board (10) and have receipts miscellaneous tooth (11), receive miscellaneous tooth (11) and impurity removal tooth (9) crisscross setting.
2. A black and odorous river water purification apparatus according to claim 1, wherein the dredging component (5) comprises a sedimentation tank (12) and a silt pumping pipe (13) inserted in the sedimentation tank (12), the silt pumping pipe (13) is provided with a silt pumping pump (14), and a primary water transfer pump (15) is arranged between the temporary storage tank (3) and the sedimentation tank (12).
3. A black and odorous river water purification apparatus according to claim 2, wherein the bottom of the settling tank (12) is provided with an aeration assembly (16), and the aeration assembly (16) comprises an aeration main pipe (17), aeration branch pipes (18) communicated with the aeration main pipe (17), and aeration heads (19) arranged on the aeration branch pipes (18).
4. A black and odorous river water purification apparatus as claimed in claim 1, wherein the bottom of the impurity collecting pool (7) is provided with a water filtering opening (20), and a water filtering net (21) is arranged at the water filtering opening (20).
5. A black and odorous river water purifying apparatus according to claim 1, wherein the deep purification assembly (6) comprises a purification tank (22) and a medicine storage box (23) storing medicines for purifying water, a medicine outlet pipe (24) is arranged at the bottom of the medicine storage box (23), and a medicine outlet valve (25) is arranged on the medicine outlet pipe (24); a secondary water conveying pump (26) is arranged between the purifying tank (22) and the sedimentation tank (12).
6. The black and odorous river water purification device according to claim 1, wherein the impurity removing teeth (9) are evenly distributed in multiple groups along the circumferential direction of the impurity removing roller (8), and the length direction of the impurity removing teeth (9) is tangential to the outer side of the impurity removing roller (8).
7. A black and odorous river water purification apparatus as claimed in claim 1, wherein the drainage channel (1) is provided to be inclined downward toward one side of the temporary storage tank (3).
8. The black and odorous river water purification device according to claim 1, wherein the temporary storage tank (3) is provided with a driving motor (27) for driving the impurity removing roller (8) to rotate, and a main shaft of the driving motor (27) is in belt transmission with the impurity removing roller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921790792.1U CN211056854U (en) | 2019-10-23 | 2019-10-23 | Black and odorous river water purifying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921790792.1U CN211056854U (en) | 2019-10-23 | 2019-10-23 | Black and odorous river water purifying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211056854U true CN211056854U (en) | 2020-07-21 |
Family
ID=71588337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921790792.1U Expired - Fee Related CN211056854U (en) | 2019-10-23 | 2019-10-23 | Black and odorous river water purifying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211056854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149335A (en) * | 2021-03-12 | 2021-07-23 | 昆山市水利设计院有限公司 | Be used for black and odorous river course sewage layering to administer mechanism and synthesize renovation system |
-
2019
- 2019-10-23 CN CN201921790792.1U patent/CN211056854U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149335A (en) * | 2021-03-12 | 2021-07-23 | 昆山市水利设计院有限公司 | Be used for black and odorous river course sewage layering to administer mechanism and synthesize renovation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204151142U (en) | A kind of sequence batch (biochemical sewage treatment device | |
| KR100886790B1 (en) | Process and plant for wastewater treatment | |
| CN111704319A (en) | Prefabricated modular municipal sewage treatment system and sewage treatment method | |
| CN213037620U (en) | Prefabricated modular municipal sewage treatment system | |
| CN104291530B (en) | A kind of method of batch-type biochemical sewage treatment device and sedimentation and drawing thereof | |
| CN211056854U (en) | Black and odorous river water purifying equipment | |
| CN113149335A (en) | Be used for black and odorous river course sewage layering to administer mechanism and synthesize renovation system | |
| CN210313931U (en) | Aerobic treatment device | |
| CN108947145B (en) | Municipal administration sewage treatment system | |
| CN110917668A (en) | Precipitation device for sewage treatment | |
| CN211310900U (en) | Biological pond scrubbing device | |
| CN114210132A (en) | Incessant recovery unit to deposit in domestic sewage | |
| CN115124160A (en) | Riverway water quality bypass purification treatment process | |
| CN112875806A (en) | Modularized multifunctional solid-liquid separation system | |
| KR200189492Y1 (en) | The inclined precipitation tank in waste water disposal plant by microorganism contact | |
| CN220999441U (en) | Mining wastewater treatment device | |
| CN217780920U (en) | Device for treating low-carbon-nitrogen-ratio sewage based on short-cut denitrification | |
| CN218810552U (en) | Papermaking effluent disposal system's air supporting pond | |
| CN219860949U (en) | High-efficient sewage treatment device | |
| CN217855031U (en) | Improved generation river sewage treatment plant | |
| CN211226650U (en) | Sedimentation tank for sewage treatment plant | |
| CN212770312U (en) | Hydrolysis acidification sewage treatment plant | |
| CN220056490U (en) | Sewage filtering and foreign matter removing equipment | |
| CN214781130U (en) | Sewage pretreatment device for RO system | |
| CN215947049U (en) | Integrated domestic sewage treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 |