CN210085061U - Biochemical sewage treatment pond - Google Patents
Biochemical sewage treatment pond Download PDFInfo
- Publication number
- CN210085061U CN210085061U CN201920590777.6U CN201920590777U CN210085061U CN 210085061 U CN210085061 U CN 210085061U CN 201920590777 U CN201920590777 U CN 201920590777U CN 210085061 U CN210085061 U CN 210085061U
- Authority
- CN
- China
- Prior art keywords
- gas transmission
- main pipe
- pipe
- transmission main
- sewage
- 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
- 239000010865 sewage Substances 0.000 title claims abstract description 69
- 230000005540 biological transmission Effects 0.000 claims abstract description 111
- 238000005273 aeration Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000005086 pumping Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 84
- 238000005201 scrubbing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model relates to a biochemical sewage treatment tank, which comprises a sewage tank, a water inlet and a water outlet which are arranged on the two side walls of the sewage tank, and an aeration component which is arranged in the sewage tank, a tank cover is arranged above the sewage tank, the aeration component comprises an air conveying main pipe, an air conveying branch pipe, an adjusting component and a screw rod component, the tank cover is provided with an air transmission main pipe extending to the sewage tank, the air transmission main pipe is provided with a first cavity, the bottom of the gas transmission main pipe is hinged with a plurality of gas transmission branch pipes, second cavities are arranged in the gas transmission branch pipes, the gas transmission branch pipe and the gas transmission main pipe are enclosed to form an inverted umbrella shape, an adjusting component is hinged between the gas transmission main pipe and the gas transmission branch pipe, be equipped with on the pond lid with the lead screw subassembly that gas transmission house steward top links to each other, be connected with the gas transmission hose between gas transmission house steward and the gas transmission branch pipe, the utility model discloses the less effect of construction work volume has.
Description
Technical Field
The utility model relates to a sewage treatment's technical field especially relates to a biochemical sewage treatment pond.
Background
At present, a general treatment mode of a sewage treatment tank is to discharge sewage into the sewage tank for biochemical treatment, and to oxidize and decompose organic matters in the sewage by using metabolism of microorganisms in the sewage, thereby purifying the sewage.
The prior utility model with the authorization bulletin number of CN208218489U discloses a biochemical sewage treatment tank, which comprises a tank body, wherein modular stuffing boxes are arranged in the tank body at equal intervals, the stuffing boxes are arranged into two rows along the length direction of the tank body, aeration main pipes are fixed on two long-edge tank walls of the tank body, each aeration main pipe is provided with a plurality of branch pipes, and each branch pipe is provided with a control valve; the packing box includes the frame construction of the rectangle that is formed by the galvanized pipe welding, frame construction includes the underframe, the top frame, connect the connecting pipe between top frame and the underframe, be provided with the peg that sets up in pairs on underframe and the top frame respectively, every all hang the filler cluster that sewage treatment used between the peg, the bottom of underframe is provided with the supporting legs, the upper portion of top frame is provided with the lug, the last aeration pipe that still integrates of frame construction, be provided with micropore aeration head on this aeration pipe, the aeration pipe passes through the coupling and can dismantle with the takeover that corresponds and be connected.
The biochemical sewage treatment tank has higher purification efficiency, but the scheme has the following defects: before the aeration pipe is installed, a rectangular frame, a connecting pipe, a hanging rod, supporting legs and the like which are connected in a horizontal and vertical mode need to be arranged for working, and construction workload is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a biochemical sewage treatment pond has the less advantage of construction work volume.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a biochemical sewage treatment pool comprises a sewage pool, water inlets arranged on two side walls of the sewage pool, and a water inlet pipe
The sewage pool comprises a water outlet and an aeration assembly arranged in the sewage pool, wherein a pool cover is arranged above the sewage pool, the aeration assembly comprises a gas transmission main pipe, gas transmission branch pipes, an adjusting assembly and a screw rod assembly, the pool cover is provided with a gas transmission main pipe extending to the sewage pool, the gas transmission main pipe is provided with a first cavity, the bottom of the gas transmission main pipe is hinged with a plurality of gas transmission branch pipes, a second cavity is arranged in each gas transmission branch pipe, the gas transmission branch pipes and the gas transmission main pipe are enclosed to form an inverted umbrella shape, the adjusting assembly is hinged between the gas transmission main pipe and the gas transmission branch pipes, the pool cover is provided with the screw rod assembly connected with the top of the gas transmission main pipe, and a gas transmission hose is connected between the gas transmission main pipe and the gas transmission branch.
By adopting the technical scheme, a constructor installs the aeration component on the tank cover in advance, adjusts the angle between the gas transmission branch pipe and the gas transmission main pipe by using the adjusting component according to the scale of the sewage tank and the sewage amount in the sewage tank, and adjusts the height of the aeration component in the sewage tank by using the screw rod component; when sewage treatment is carried out, covering the sewage tank with a tank cover; the aeration component of the application has the advantages of small installation workload, large radiation sewage range, large number of aeration pipes in the prior art and large construction workload.
The utility model discloses further set up to: the adjusting assembly comprises a sleeve and a connecting pipe, one end of the sleeve is hinged to the gas transmission branch pipe, the other end of the sleeve is connected with the connecting pipe in a sliding mode, one end of the connecting pipe is far away from the sleeve, the other end of the connecting pipe is hinged to the gas transmission main pipe, a first through hole is formed in the outer wall of the sleeve, a plurality of second through holes are formed in the connecting pipe along the axial direction of the connecting pipe, and the sleeve and the connecting pipe are fixed through bolts.
By adopting the technical scheme, a constructor adjusts the angle between the gas transmission branch pipe and the gas transmission main pipe by using the adjusting assembly according to the scale of the sewage pool, the adjusting assembly flexibly adjusts through the sliding fit of the sleeve and the connecting pipe, and after the adjusting assembly slides to a proper length, the connecting pipe is fixed in the sleeve by using a bolt; the sleeve and the connecting pipe can be adjusted in a sliding mode, and the adjusting process is convenient and easy to operate.
The utility model discloses further set up to: the lead screw subassembly includes support frame, motor, lead screw, the support frame is fixed to be located the pond lid top, the motor is fixed to be located the support frame, the fixed lead screw that is equipped with of motor shaft, the lead screw with gas transmission house steward inner wall threaded connection, gas transmission house steward outer wall is equipped with the spacing groove, the spacing groove is followed the vertical setting of gas transmission house steward axial, the spacing groove cooperation of sliding is equipped with the slide bar, the slide bar is kept away from gas transmission house steward one end and is fixed to be located the pond lid diapire.
By adopting the technical scheme, when the water level in the sewage tank is low, the height of the aeration assembly needs to be reduced, the motor drives the screw rod to rotate, the screw rod is driven to rotate, and the gas transmission main pipe is connected with the sliding rod in a sliding manner, so that the gas transmission main pipe cannot rotate synchronously with the screw rod and only can do vertical sliding movement, and the height of the aeration assembly is adjusted; the adjusting process has the advantages of high automation degree, strong stability, safety and rapidness.
The utility model discloses further set up to: the gas transmission branch pipe is provided with an aeration hole communicated with the second cavity, and the aeration hole is fixedly connected with a pressurizing nozzle.
Through adopting above-mentioned technical scheme, gaseous second cavity, aeration hole outflow, set up pressure boost shower nozzle and can be with high-speed air current blowout with gaseous, increase aeration air current's speed and impulsive force, enlarge the aeration scope.
The utility model discloses further set up to: the bottom of the gas transmission main pipe is fixedly provided with a disc, a plurality of equidistant empty grooves are circumferentially arranged on the disc, a rotating shaft is fixedly arranged in each empty groove, and the bottoms of the gas transmission branch pipes are rotatably connected with the rotating shaft.
Through adopting above-mentioned technical scheme, set up the disc and be used for articulated gas transmission branch pipe simultaneously, the bottom of gas transmission branch pipe can rotate round the pivot, sets up the dead slot and can guarantee that gas transmission branch pipe has great turned angle, but reinforcing gas transmission branch pipe's mobility, is convenient for adjust gas transmission branch pipe and gas transmission house steward's angle.
The utility model discloses further set up to: the sewage pond lateral wall is equipped with the scrubbing mouth by the bottom, the scrubbing mouth is connected with takes out dirty pump.
Through adopting above-mentioned technical scheme, mud in the sewage can pile up bottom in the effluent water sump, utilizes to take out the convenient periodic cleaning of dirty pump.
The utility model discloses further set up to: the pool cover is provided with a through hole, the gas transmission main pipe is connected with a vent pipe communicated with the first cavity, and the other end of the vent pipe penetrates through the through hole to be connected with a gas source.
Through adopting above-mentioned technical scheme, be equipped with the air supply that the convenient breather pipe of through-hole connects the pond lid top, the air supply of being convenient for is carried air to the house steward that ventilates.
The utility model discloses further set up to: the pool cover comprises a first cover plate, a second cover plate and a third cover plate, the screw rod assembly is fixedly arranged on the second cover plate, the first cover plate is hinged to one side of the second cover plate, and the third cover plate is hinged to the other side of the second cover plate.
Through adopting above-mentioned technical scheme, first apron, third apron are all articulated with the second apron, and the construction workman can open arbitrary two apron and get into according to the operation position selection in the pond, makes things convenient for the construction workman to operations such as aeration subassembly maintenance, maintenance.
To sum up, the utility model discloses a beneficial technological effect does:
1. the construction workload is small: the installation workload of the aeration component is small, and the radiation sewage range is large; the number of the aeration pipes is small, and the construction workload is small;
2. adjustability: the angles of the gas transmission branch pipes and the gas transmission main pipe are adjusted by utilizing the adjusting assembly, and the height of the aeration assembly is adjusted by utilizing the screw rod assembly;
3. high-efficiency sewage pumping: the sewage pump close to the bottom of the side wall regularly cleans sludge in the sewage tank, and the cleaning efficiency is high;
4. the operation in the later period is convenient: the first apron of pond lid articulated and third apron makes things convenient for the construction workman to get into operation in the sewage pond.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the adjusting assembly of the present invention.
Fig. 3 is a schematic view of the screw rod assembly of the present invention.
Figure 4 is a cross-sectional view of the adjustment assembly of the present invention.
In the figure: 1. a sewage tank; 110. removing a dirt opening; 2. a water inlet; 3. a water outlet; 4. an aeration assembly; 41. a gas transmission main pipe; 410. a first cavity; 42. a gas delivery branch pipe; 420. a second cavity; 43. an adjustment assembly; 431. a sleeve; 432. a connecting pipe; 4310. a first through hole; 4320. a second through hole; 44. a screw assembly; 441. a support frame; 442. a motor; 4421. a motor shaft; 443. a screw rod; 5. a pool cover; 51. a first cover plate; 52. a second cover plate; 53. a third cover plate; 6. a gas hose; 62. an aeration hole; 8. a rotating shaft; 9. a pressurized spray head; 10. a disc; 101. an empty groove; 11. a limiting groove; 12. a slide bar; 13. a breather pipe; 14. a sewage pumping pump; 100. and a through hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, for the utility model discloses a biochemical sewage treatment pond, including effluent water sump 1, locate water inlet 2 and delivery port 3 (not shown in the figure) of 1 both sides wall of effluent water sump and locate aeration components 4 in effluent water sump 1, 1 top in effluent water sump is equipped with pond lid 5, aeration components 4 installs on pond lid 5, when carrying out sewage treatment, cover pond lid 5 on the effluent water sump, the oxygen content in the 4 multiplicable sewage of aeration components, thereby carry out sewage treatment, 1 lateral wall in effluent water sump leans on the bottom to be equipped with scrubbing mouth 110, scrubbing mouth 110 is connected with and takes out dirty pump 14, the clearance of the mud of being convenient for.
Referring to fig. 1, the tank cover 5 includes a first cover plate 51, a second cover plate 52 and a third cover plate 53, the second cover plate 52 is located in the middle of the wastewater tank 1, the screw assembly 44 fixes the second cover plate 52, and both the first cover plate 51 and the third cover plate 53 are hinged to the second cover plate 52, so that a construction worker can conveniently enter the wastewater tank for operation.
Referring to fig. 1, the aeration assembly 4 comprises a gas transmission main pipe 41, a gas transmission branch pipe 42 hinged with the gas transmission main pipe 41, an adjusting assembly 43 for adjusting the angles of the gas transmission main pipe 41 and the gas transmission branch pipe 42, and a screw rod assembly 44 for adjusting the lifting height of the aeration assembly 4; the gas transmission main pipe 41 and the gas transmission branch pipes 42 are enclosed to form an inverted umbrella shape, the adjusting component 43 plays a role of umbrella ribs, the gas transmission hose 6 is connected between the gas transmission main pipe 41 and the gas transmission branch pipes 42, the gas transmission hose 6 is preferably an anticorrosive rubber pipe, the screw rod component 44 is installed on the pool cover 5, and the screw rod component 44 drives the aeration component 4 to do lifting movement.
Referring to fig. 1 and 4, a first cavity 410 is arranged inside the gas transmission main pipe 41, a second cavity 420 is arranged in the gas transmission branch pipe 42, a gas transmission hose 6 for ventilation is connected between the gas transmission main pipe 41 and the gas transmission branch pipe 42, a through hole 100 is arranged on the tank cover 5, a vent pipe 13 communicated with the first cavity 410 is connected on the side wall of the gas transmission main pipe 41, the other end, far away from the gas transmission main pipe 41, of the vent pipe 13 penetrates through the through hole 100 to be connected with a gas source, the gas source is preferably an air pump, the gas source transmits gas to the gas transmission main pipe 41, and the gas transmission main pipe 41 transmits the air to each gas transmission branch pipe.
Referring to fig. 2, a disc 10 is fixedly arranged at the bottom of the gas transmission main pipe 41, an empty slot 101 for hinging the gas transmission branch pipe 42 is circumferentially arranged on the disc 10, the empty slots 101 are equidistantly distributed around the disc 10, a rotating shaft 8 is fixedly arranged in the empty slot 101, the rotating shaft 8 is horizontally arranged, and the rotating shaft 8 is rotatably connected with the bottom of the gas transmission branch pipe 42.
Referring to fig. 2, the adjusting assembly 43 includes a sleeve 431, one end of the sleeve 431 is hinged to the gas transmission branch pipe 4, the other end of the sleeve 431 is connected with a connecting pipe 432 in a sliding manner, one end of the connecting pipe 432, which is far away from the gas transmission branch pipe 42, is hinged to the gas transmission main pipe 41, the sleeve 431 is provided with a first through hole 4310, a plurality of second through holes 4320 are arranged on the side wall 432 of the connecting pipe along the axial direction of the connecting pipe, a constructor adjusts the angle between the gas transmission branch pipe 42 and the gas transmission main pipe 41 by using the adjusting assembly 43 according to the scale of a sewage pool, the adjusting assembly 43 is flexibly adjusted by sliding and matching the sleeve 431 and the connecting pipe 432, and after sliding; the sleeve 431 and the connecting pipe 432 can be adjusted in a sliding mode, and the adjusting process is convenient and easy to operate.
Referring to fig. 3, the screw rod assembly 44 includes a support frame 441, a motor 442 and a screw rod 443, the support frame 441 is fixedly arranged on the upper surface of the tank cover 5, the support frame 441 is fixed with the motor 442, a motor shaft 4421 of the motor 442 is rotatably connected with the screw rod 443, one end of the motor 442 is far away from the screw rod 443 and is in threaded connection with the inner wall of the gas transmission main pipe 41, the outer wall of the gas transmission main pipe 41 is provided with a limit groove 11, the limit groove 11 is vertically arranged along the axial direction of the gas transmission main pipe 41, a sliding rod 12 matched with the limit groove 11 in a sliding manner is fixedly arranged on the bottom wall of the tank cover 5, according to the water level in the sewage.
Referring to fig. 2, the gas transmission branch pipe 42 is provided with a plurality of aeration holes 62, the aeration holes 62 are communicated with the second cavity 420, the aeration holes 62 are fixedly connected with a pressurizing nozzle 9, air enters the second cavity 420 through the gas transmission hose 6, the air is sprayed out through the pressurizing nozzle 9 under the pressure effect, and the pressurizing nozzle 9 increases the speed and the impulsive force of aeration air flow and enlarges the aeration range.
The implementation principle of the embodiment is as follows: when sewage treatment is carried out, the sewage tank 1 is covered with the tank cover 5, the angle between the gas transmission branch pipe 41 and the gas transmission main pipe 42 is adjusted by the adjusting component 43 according to the size of the tank body, the height of the aeration component 4 in the sewage tank is adjusted by the screw rod component 44, the aeration component 4 is installed on the tank cover 5, and the aeration component 4 is connected with an external gas source through the vent pipe 13.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a biochemical sewage treatment pond, includes effluent water sump (1), locates water inlet (2) and delivery port (3) of effluent water sump (1) both sides wall, locate aeration subassembly (4) in effluent water sump (1), its characterized in that: a tank cover (5) is arranged above the sewage tank (1), the aeration component (4) comprises a gas transmission main pipe (41), a gas transmission branch pipe (42), an adjusting component (43) and a screw rod component (44), the tank cover (5) is provided with an air transmission main pipe (41) extending to the sewage tank (1), the gas transmission main pipe (41) is provided with a first cavity (410), the bottom of the gas transmission main pipe (41) is hinged with a plurality of gas transmission branch pipes (42), a second cavity (420) is arranged in the gas transmission branch pipe (42), the gas transmission branch pipe (42) and the gas transmission main pipe (41) are enclosed to form an inverted umbrella shape, an adjusting component (43) is hinged between the gas transmission main pipe (41) and the gas transmission branch pipe (42), the tank cover (5) is provided with a screw rod component (44) connected with the top of the gas transmission main pipe (41), and an air conveying hose (6) is connected between the air conveying main pipe (41) and the air conveying branch pipe (42).
2. A biochemical sewage treatment tank according to claim 1, characterized in that: adjusting part (43) includes sleeve (431), connecting pipe (432), sleeve (431) one end with gas transmission branch pipe (42) are articulated, sleeve (431) other end slides and connects connecting pipe (432), connecting pipe (432) are kept away from sleeve (431) one end is articulated with gas transmission house steward (41), sleeve (431) outer wall is equipped with first through-hole (4310), connecting pipe (432) are equipped with a plurality of second through-holes (4320) along its axial, sleeve (431) with connecting pipe (432) pass through the bolt fastening.
3. A biochemical sewage treatment tank according to claim 1, characterized in that: the lead screw component (44) comprises a support frame (441), a motor (442) and a lead screw (443), the support frame (441) is fixedly arranged at the top of the pool cover (5), the motor (442) is fixedly arranged on the support frame (441), a motor shaft (4421) of the motor (442) is fixedly provided with the lead screw (443), the lead screw (443) is in threaded connection with the inner wall of the gas transmission main pipe (41), the outer wall of the gas transmission main pipe (41) is provided with a limit groove (11), the limit groove (11) is vertically arranged along the axial direction of the gas transmission main pipe (41), the limit groove (11) is provided with a slide rod (12) in a sliding fit mode, and one end of the slide rod (12), far away from the gas transmission main pipe (41), is fixedly arranged on the bottom wall.
4. A biochemical sewage treatment tank according to claim 1, characterized in that: the gas transmission branch pipe (42) is provided with a plurality of aeration holes (62) communicated with the second cavity (420), and the aeration holes (62) are fixedly connected with a pressurizing nozzle (9).
5. A biochemical sewage treatment tank according to claim 1, characterized in that: the bottom of the gas transmission main pipe (41) is fixedly provided with a disc (10), the disc (10) is circumferentially provided with a plurality of equidistant empty grooves (101), a rotating shaft (8) is fixed in each empty groove (101), and the bottoms of the gas transmission branch pipes (42) are rotatably connected with the rotating shaft (8).
6. A biochemical sewage treatment tank according to claim 1, characterized in that: the sewage pool is characterized in that a sewage removing opening (110) is formed in the side wall of the sewage pool (1) close to the bottom, and the sewage removing opening (110) is connected with a sewage pumping pump (14).
7. A biochemical sewage treatment tank according to claim 1, characterized in that: the pool cover (5) is provided with a through hole (100), the gas transmission main pipe (41) is connected with a vent pipe (13) communicated with the first cavity (410), and the other end of the vent pipe (13) penetrates through the through hole (100) to be connected with a gas source.
8. A biochemical sewage treatment tank according to claim 1, characterized in that: the pool cover (5) comprises a first cover plate (51), a second cover plate (52) and a third cover plate (53), the screw rod assembly (44) is fixedly arranged on the second cover plate (52), the first cover plate (51) is hinged to one side of the second cover plate (52), and the third cover plate (53) is hinged to the other side of the second cover plate (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920590777.6U CN210085061U (en) | 2019-04-26 | 2019-04-26 | Biochemical sewage treatment pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920590777.6U CN210085061U (en) | 2019-04-26 | 2019-04-26 | Biochemical sewage treatment pond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210085061U true CN210085061U (en) | 2020-02-18 |
Family
ID=69476163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920590777.6U Expired - Fee Related CN210085061U (en) | 2019-04-26 | 2019-04-26 | Biochemical sewage treatment pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210085061U (en) |
-
2019
- 2019-04-26 CN CN201920590777.6U patent/CN210085061U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 |