CN110787497A - Sedimentation tank for sewage purification - Google Patents
Sedimentation tank for sewage purification Download PDFInfo
- Publication number
- CN110787497A CN110787497A CN201911129824.8A CN201911129824A CN110787497A CN 110787497 A CN110787497 A CN 110787497A CN 201911129824 A CN201911129824 A CN 201911129824A CN 110787497 A CN110787497 A CN 110787497A
- Authority
- CN
- China
- Prior art keywords
- chamber
- sewage
- sedimentation tank
- sedimentation
- sewage purification
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0006—Settling tanks provided with means for cleaning and maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0024—Inlets or outlets provided with regulating devices, e.g. valves, flaps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2472—Means for fluidising the sediments, e.g. by jets or mechanical agitators
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a sedimentation tank for sewage purification, and relates to the technical field of sewage purification. The invention comprises a tank body, wherein a plurality of partition plates are vertically arranged in the tank body, and a tank body cavity is sequentially divided into a sedimentation tank, a partition chamber, a pressurizing chamber and a sewage discharging chamber; be equipped with the fluid-discharge tube with outside intercommunication on one side wall of sedimentation tank, be equipped with the outlet duct with outside intercommunication on one side wall of pumping chamber, all cooperate in compartment and the blowdown room and install interval mechanism, interval mechanism is including sealed compartment bottom opening and blowdown room bottom open-ended gate, and sealed the installing in top of pumping chamber has sealed lid, seals simultaneously and is equipped with feed liquor pipe and the intake pipe with the pumping chamber intercommunication on the lid. According to the sewage sedimentation tank, the sedimentation chamber, the partition chamber, the pressurizing chamber and the sewage discharging chamber are arranged in the tank body, so that the sewage sedimentation tank is formed, the sewage can be conveniently sedimentated, the bottom surface of the sedimentation chamber is of an inclined surface structure, sedimentated dirt can conveniently enter the pressurizing chamber, and the sewage can be conveniently cleaned.
Description
Technical Field
The invention belongs to the technical field of sewage purification, and particularly relates to a sedimentation tank for sewage purification.
Background
With the development of times and science and technology, the living standard of people is increasingly improved, the requirement of people on the living environment is increasingly high, the pollution of water resources becomes one of the most concerned problems of society, the water environment is damaged due to the discharge of a large amount of sewage, and particularly, in some chemical enterprises, the sewage is directly discharged into a river channel without being treated, so that the environment is seriously damaged, and the production and the life of people are influenced. Therefore, the treatment of sewage is urgent. The existing sewage sedimentation tank is inconvenient to clean sediments, has a sedimentation tank for cleaning sediments, cannot perform sedimentation treatment on sewage during cleaning, and is low in working efficiency.
The utility model provides a sewage sedimentation tank that 201820717692.5 discloses, including first sewage sedimentation tank, second sewage sedimentation tank, sludge collection groove and fixed mounting in the precipitant equipartition mechanism at first sewage sedimentation tank and second sewage sedimentation tank top, wherein, first sewage sedimentation tank pass through overflow passageway with second sewage sedimentation tank intercommunication, a lateral wall top intercommunication of first sewage sedimentation tank has the water inlet grille pond, first sewage sedimentation tank with the inner chamber bottom of second sewage sedimentation tank all is equipped with a plurality of first mud hoppers that fall, the sludge collection groove correspond install in first sludge sedimentation tank with the below of second sludge sedimentation tank. The application can not carry out the precipitation treatment of sewage and can not carry out continuous sewage treatment in the working process.
Disclosure of Invention
The invention aims to provide a sedimentation tank for sewage purification, which is formed by a sedimentation chamber, a compartment, a pressurizing chamber and a sewage discharging chamber arranged in a tank body, and is convenient for sedimentation treatment of sewage.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a sedimentation tank for sewage purification, which comprises a tank body, wherein a plurality of partition plates are vertically arranged in the tank body, and a tank body cavity is sequentially divided into a sedimentation tank, a partition chamber, a pressurizing chamber and a sewage discharging chamber; wherein the bottoms of the sedimentation tank, the compartment, the pressurizing chamber and the sewage discharging chamber are communicated with each other; a liquid discharge pipe communicated with the outside is arranged on one side wall of the sedimentation tank, an air outlet pipe communicated with the outside is arranged on one side wall of the pressurizing chamber, a spacing mechanism is arranged in the compartment and the sewage discharging chamber in a matched mode, the spacing mechanism comprises a gate for sealing the bottom opening of the compartment and the bottom opening of the sewage discharging chamber, a sealing cover is arranged at the top end of the pressurizing chamber in a sealing mode, and a liquid inlet pipe and an air inlet pipe communicated with the pressurizing chamber are arranged on the sealing cover; a mud removing part is arranged at an outlet of the pressurizing chamber, and a rotating shaft of the mud removing part extends out of the tank body to be in transmission connection with an externally arranged motor; and the liquid discharge pipe, the air outlet pipe, the liquid inlet pipe and the air inlet pipe are all provided with control valves in a matching way.
Furthermore, the bottom surface of the sedimentation tank is an inclined surface, the high end of the inclined surface is close to the liquid discharge pipe, and the bottom end of the inclined surface is close to the partition chamber.
Furthermore, the spacing mechanism comprises a cover plate, a screw rod, a transmission mechanism and a gate, the screw rod is vertically arranged on the gate, and one end of the screw rod penetrates through the cover plate to be in transmission connection with the transmission mechanism.
Furthermore, the transmission mechanism comprises a motor, a driven wheel and a driving wheel, the driving wheel is fixedly mounted on an output shaft of the motor, an internal thread matched with the screw rod is arranged in the through hole of the driven wheel, the driven wheel is meshed with the driving wheel, and a protective shell is mounted outside the driven wheel and the driving wheel.
Furthermore, guide protrusions are oppositely arranged on the side wall of the partition chamber and the side wall of the sewage discharge chamber, and the guide protrusions and the two faces of the gate are oppositely provided with guide grooves which are matched and installed.
Further, the cross section of the guide projection is triangular.
Further, when the sedimentation tank is used for sedimentation, the water level is higher than the notch at the bottom of the compartment.
Furthermore, the desilting part comprises a rotating shaft, vertical plates and scraping plates, wherein the rotating shaft is provided with the vertical plates, the vertical plates form a plurality of intervals, and the scraping plates are distributed in every two adjacent intervals in a staggered manner.
The invention has the following beneficial effects:
according to the sewage sedimentation tank, the sedimentation chamber, the partition chamber, the pressurizing chamber and the sewage discharging chamber are arranged in the tank body, so that the sewage sedimentation tank is convenient for sedimentation treatment of sewage, the bottom surface of the sedimentation chamber is of an inclined surface structure, precipitated dirt can conveniently enter the pressurizing chamber, the partition mechanism arranged in the partition chamber is used for blocking, the partition mechanism arranged in the sewage discharging chamber is opened to discharge the precipitated dirt, and water enters through the liquid inlet pipe arranged on the sealing cover to clean the pressurizing chamber, so that the sewage sedimentation tank is convenient to use.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall assembly structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the structure of the tank body of the present invention;
FIG. 5 is a schematic view of the spacer assembly of the present invention;
FIG. 6 is a schematic view of the rotating assembly of the spacing mechanism of the present invention;
FIG. 7 is a schematic view of the sealing cover assembly of the present invention;
FIG. 8 is a schematic perspective view of a mud removing component of the present invention
FIG. 9 is a schematic side view of the mud-removing component of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a pool body, 101-a partition plate, 102-a settling chamber, 103-a partition chamber, 104-a pressurizing chamber, 105-a sewage discharging chamber, 106-a guide protrusion, 2-a partition mechanism, 201-a cover plate, 202-a screw rod, 203-a motor, 204-a protective shell, 205-a gate, 206-a guide groove, 207-a driven wheel, 208-a driving wheel, 3-a sealing cover, 301-a liquid inlet pipe, 302-a gas inlet pipe, 4-a gas outlet pipe, 5-a liquid outlet pipe, 6-a mud removing component, 601-a rotating shaft, 602-a vertical plate, 603-a scraping plate and 7-a motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "middle," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the present invention.
Example (b):
in this embodiment, as shown in fig. 1-4, the invention is a sedimentation tank for sewage purification, comprising a tank body 1, wherein three partition plates 101 are vertically arranged in the tank body 1, and a cavity of the tank body 1 is sequentially divided into a sedimentation tank 102, a compartment 103, a plenum chamber 104 and a sewage discharge chamber 105; wherein the bottom parts of the sedimentation tank 102, the compartment 103, the plenum chamber 104 and the sewage discharge chamber 105 are communicated with each other; the bottom surface of the sedimentation tank 102 is an inclined surface 1021, the high end of the inclined surface 1021 is close to the drain pipe 5, and the bottom end of the inclined surface 1021 is close to the compartment 103; the sediment in the sedimentation tank 102 is facilitated to slide down the inclined surface 1021 into the pressurizing chamber 104, and the sediment is facilitated to be cleaned.
As shown in fig. 3, a drain pipe 5 communicated with the outside is arranged on one side wall of the sedimentation tank 102, sewage after primary treatment is discharged through the drain pipe 5 after sedimentation is completed, an air outlet pipe 4 communicated with the outside is arranged on one side wall of the pressurizing chamber 104, redundant air in the pressurizing chamber 104 is discharged through the air outlet pipe 4, and the spacing chamber 103 and the sewage discharge chamber 105 are both provided with the spacing mechanism 2 in a matching way;
as shown in fig. 5-7, the spacing mechanism 2 includes a cover plate 201, a screw rod 202, a transmission mechanism, and a gate 205, the screw rod 202 is vertically disposed on the gate 205, and one end of the screw rod 202 penetrates through the cover plate 201 to be connected with the transmission mechanism; the transmission mechanism comprises a motor 203, a driven wheel 207 and a driving wheel 208, wherein the driving wheel 208 is fixedly arranged on an output shaft of the motor 203, an internal thread matched with the screw rod 202 is arranged in a through hole of the driven wheel 207, the driven wheel 207 and the driving wheel 208 are arranged in a meshed manner, and protective shells 204 are arranged outside the driven wheel 207 and the driving wheel 208;
when the sedimentation tank 102 is sedimentated, the water level is higher than the notch at the bottom of the compartment 103;
as shown in fig. 4, the partition mechanism 2 comprises a gate 205 for sealing the bottom opening of the compartment 103 and the bottom opening of the dirt discharge chamber 105, a sealing cover 3 is hermetically mounted at the top end of the pressurizing chamber 104, the sealing cover 3 is hermetically mounted on the compartment 103 and the dirt discharge chamber 105, and a liquid inlet pipe 301 and a gas inlet pipe 302 which are communicated with the pressurizing chamber 104 are arranged on the sealing cover 3; the side wall of the compartment 103 and the side wall of the sewage discharge chamber 105 are both provided with guide protrusions 106 oppositely, the guide protrusions 106 are matched with guide grooves 206 which are formed on two opposite surfaces of the gate 205, and the cross section of each guide protrusion 106 is triangular;
as shown in fig. 8-9, a mud removing component 6 is installed at an outlet of the pressurizing chamber 104, and a rotating shaft 601 of the mud removing component 6 extends out of the tank body 1 to be in transmission connection with an externally installed motor 7; the mud removing part 6 comprises a rotating shaft 601, vertical plates 602 and scrapers 603, wherein the vertical plates 602 are oval, the rotating shaft 601 is provided with a plurality of vertical plates 602, a plurality of intervals are formed between the vertical plates 602, the scrapers 603 are distributed in two adjacent intervals in a staggered manner, in the process of driving the vertical plates 602 to rotate through the rotating shaft, the local cutting of the accumulated sediments is completed, the rotating scrapers 603 can discharge the sewage conveniently, and in addition, the scrapers 603 distributed in a staggered manner cannot influence the flowing of the sediments.
Control valves are arranged on the drain pipe 5, the air outlet pipe 4, the liquid inlet pipe 301 and the air inlet pipe 302 in a matched mode.
When sedimentation is carried out, control valves arranged at the ports of the liquid discharge pipe 5, the gas outlet pipe 4 and the liquid inlet pipe 301 are closed, a gate 205 arranged in the compartment 103 is opened by starting a motor 203, the gate 205 arranged in the sewage discharge chamber 105 is closed, sewage to be treated is injected into the sedimentation chamber 102, the water level of the sewage to be treated is higher than the height of a notch at the bottom of the compartment 103 and lower than three quarters of the depth of the sedimentation chamber 102, after the sewage to be treated is kept still for a period of time, sediment in the sedimentation tank 102 slides down to the inside of the pressurization chamber 104 along the inclined plane 1021, air is injected into the pressurization chamber 104 through the gas inlet pipe 302, redundant water in the pressurization chamber 104 flows back to the sedimentation chamber 102, the screw rod is driven to rotate through the motor 203, the gate 205 arranged in the compartment 103 is closed, an electromagnetic valve arranged on the liquid discharge pipe 5 is opened, the sewage to be.
When sediment is cleaned, control valves arranged on the air outlet pipe 4 and the liquid inlet pipe 301 are opened, air in the pressurizing chamber 104 is exhausted, a gate 205 arranged in the sewage discharging chamber 105 is opened by clicking 203, deposited sediment in the pressurizing chamber 104 is exhausted, water is injected through the liquid inlet pipe 301, and the pressurizing chamber 104 is cleaned; in addition, when cleaning the sediment, the settling chamber 102 can inject the sewage to be treated for settling treatment.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a sedimentation tank for sewage purification, includes cell body (1), its characterized in that:
a plurality of partition plates (101) are vertically arranged in the tank body (1), and the cavity of the tank body (1) is sequentially divided into a sedimentation tank (102), a compartment (103), a pressurizing chamber (104) and a sewage discharging chamber (105);
wherein the bottoms of the sedimentation tank (102), the compartment (103), the pressurizing chamber (104) and the sewage discharging chamber (105) are communicated with each other;
a drain pipe (5) communicated with the outside is arranged on one side wall of the sedimentation tank (102), an air outlet pipe (4) communicated with the outside is arranged on one side wall of the pressurizing chamber (104), the partition chamber (103) and the sewage discharge chamber (105) are internally provided with a partition mechanism (2) in a matched manner, the partition mechanism (2) comprises a gate (205) for sealing the bottom opening of the partition chamber (103) and the bottom opening of the sewage discharge chamber (105), the top end of the pressurizing chamber (104) is provided with a sealing cover (3) in a sealing manner, and meanwhile, the sealing cover (3) is provided with a liquid inlet pipe (301) and an air inlet pipe (302) communicated with the pressurizing chamber (104);
a sludge removing component (6) is installed at an outlet of the pressurizing chamber (104), and a rotating shaft (601) of the sludge removing component (6) extends out of the tank body (1) to be in transmission connection with an externally installed motor (7);
and the drain pipe (5), the air outlet pipe (4), the liquid inlet pipe (301) and the air inlet pipe (302) are all provided with control valves in a matching way.
2. A sewage purification sedimentation tank as claimed in claim 1, wherein the bottom surface of the sedimentation tank (102) is an inclined surface (1021), the upper end of the inclined surface (1021) is located near the drainage pipe (5), and the lower end of the inclined surface (1021) is located near the compartment (103).
3. The sedimentation tank for sewage purification according to claim 1, wherein the spacing mechanism (2) comprises a cover plate (201), a screw rod (202), a transmission mechanism and a gate (205), the screw rod (202) is vertically arranged on the gate (205), and one end of the screw rod (202) penetrates through the cover plate (201) to be in transmission connection with the transmission mechanism.
4. The sedimentation tank for sewage purification according to claim 3, wherein the transmission mechanism comprises a motor (203), a driven wheel (207) and a driving wheel (208), the driving wheel (208) is fixedly installed on an output shaft of the motor (203), an internal thread which is installed in a matching way with the screw rod (202) is arranged in a through hole of the driven wheel (207), the driven wheel (207) and the driving wheel (208) are installed in a meshing way, and a protective shell (204) is installed outside the driven wheel (207) and the driving wheel (208).
5. A sewage purification sedimentation tank according to claim 1, wherein a guide protrusion (106) is provided on each of the side wall of the compartment (103) and the side wall of the soil discharge chamber (105), and the guide protrusion (106) is fitted into a guide groove (206) formed on both opposite sides of the gate (205).
6. A precipitating bath for sewage purification according to claim 6, characterized in that the cross section of the guide projection (106) is triangular.
7. A sedimentation basin for sewage purification according to claim 1, characterized in that the sedimentation basin (102) is arranged such that the water level is higher than the level of the bottom notch of the compartment (103) during sedimentation.
8. The sedimentation tank for sewage purification according to claim 1, wherein the sludge removing member (6) comprises a rotating shaft (601), a plurality of vertical plates (602) and scrapers (603), the rotating shaft (601) is provided with the plurality of vertical plates (602), the plurality of vertical plates (602) form a plurality of intervals, and the scrapers (603) are alternately distributed in two adjacent intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911129824.8A CN110787497A (en) | 2019-11-18 | 2019-11-18 | Sedimentation tank for sewage purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911129824.8A CN110787497A (en) | 2019-11-18 | 2019-11-18 | Sedimentation tank for sewage purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110787497A true CN110787497A (en) | 2020-02-14 |
Family
ID=69445249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911129824.8A Withdrawn CN110787497A (en) | 2019-11-18 | 2019-11-18 | Sedimentation tank for sewage purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110787497A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423021A (en) * | 2020-05-09 | 2020-07-17 | 安庆市虹泰新材料有限责任公司 | Polyamide waste water processing system |
| CN112620192A (en) * | 2020-12-16 | 2021-04-09 | 莱芜连云玻璃股份有限公司 | Coated glass's coating film rubber roll self-cleaning device convenient to maintain |
-
2019
- 2019-11-18 CN CN201911129824.8A patent/CN110787497A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423021A (en) * | 2020-05-09 | 2020-07-17 | 安庆市虹泰新材料有限责任公司 | Polyamide waste water processing system |
| CN111423021B (en) * | 2020-05-09 | 2024-07-09 | 安徽虹泰新材料股份有限公司 | Polyamide production wastewater treatment system |
| CN112620192A (en) * | 2020-12-16 | 2021-04-09 | 莱芜连云玻璃股份有限公司 | Coated glass's coating film rubber roll self-cleaning device convenient to maintain |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110787497A (en) | Sedimentation tank for sewage purification | |
| CN114772796A (en) | Multi-impurity sewage sedimentation promoting device and working method thereof | |
| CN112023518A (en) | Multi-ring sedimentation tank structure for sewage treatment | |
| CN210974233U (en) | Electrochemical water treatment device with descaling function | |
| CN218687255U (en) | Precipitation purification system for sewage | |
| CN112320912B (en) | Sewage treatment device with anti-blocking mechanism for environmental protection | |
| CN214528445U (en) | A grit chamber for handling domestic sewage | |
| CN213407982U (en) | Vegetable cleaning wastewater treatment device | |
| CN213295018U (en) | Building residue washs waste water and deposits filter equipment | |
| CN212974445U (en) | Horizontal flow type sedimentation tank for sewage treatment | |
| CN115072932A (en) | Municipal administration plumbing's domestic sewage treatment equipment | |
| CN210786510U (en) | Sludge discharge device for sewage treatment | |
| CN209940678U (en) | Sewage treatment is with filtering sedimentation case | |
| CN2180317Y (en) | Sewage treatment device with removing device for accumulated dirt | |
| CN113521842A (en) | Fishery breeding tail water purifying and circulating device | |
| CN210229287U (en) | Integrated fiber rotary disc cloth filter | |
| CN207507058U (en) | For the increasing journey flow slowing device of sewage disposal | |
| CN112239292A (en) | Building energy-saving environment-friendly sewage treatment device | |
| CN112093998A (en) | Treatment device for oil stain wastewater | |
| CN213790393U (en) | Sludge-water separation device for sewage treatment convenient to clearance | |
| CN219031969U (en) | Municipal wastewater treatment device | |
| CN117509798B (en) | Air-float high algae water treatment equipment | |
| CN213387923U (en) | Flocculation sedimentation tank with self-cleaning function | |
| CN219701179U (en) | Quick settling device for floats in sewage treatment pond | |
| CN220265320U (en) | Concrete wastewater recycling device |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200214 |
|
| WW01 | Invention patent application withdrawn after publication |