CN220449921U - Sewage biological treatment equipment with pollution reduction and energy saving functions - Google Patents
Sewage biological treatment equipment with pollution reduction and energy saving functions Download PDFInfo
- Publication number
- CN220449921U CN220449921U CN202321225468.1U CN202321225468U CN220449921U CN 220449921 U CN220449921 U CN 220449921U CN 202321225468 U CN202321225468 U CN 202321225468U CN 220449921 U CN220449921 U CN 220449921U
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- Prior art keywords
- sewage
- treatment tank
- aeration
- guide shell
- functions
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- 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.)
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- 239000010865 sewage Substances 0.000 title claims abstract description 58
- 238000005273 aeration Methods 0.000 claims abstract description 51
- 238000004146 energy storage Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 239000010802 sludge Substances 0.000 claims description 51
- 238000007667 floating Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000012535 impurity Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 244000005700 microbiome Species 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005276 aerator Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment 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
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
A sewage biological treatment device with functions of reducing pollution and saving energy, which relates to the technical field of sewage treatment; including handling the pond, install aeration equipment in handling the pond, aeration equipment is used for leading-in aeration equipment of air in handling the pond, the top of handling the pond is equipped with the opening, the open-top of handling the pond is provided with the movable plate that can reciprocating motion, the guide shell that follows movable plate synchronous motion is installed to the upper end of movable plate, one side of guide shell is connected with the inlet tube that gets into sewage, the bottom of guide shell is equipped with the discharge gate, the discharge gate vertically runs through to the below of movable plate, the cutting wheel that the multiunit can rotate is installed to the top that is located the discharge gate to the inside top that is located of guide shell, servo motor two that drive cutting wheel is rotatory are installed in the outside of guide shell, through support fixed mounting photovoltaic board in the top outside of guide shell, carry out solar energy absorption through the photovoltaic plate, and energy storage is carried out to energy storage through the energy storage battery.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to sewage biological treatment equipment with functions of reducing sewage and saving energy.
Background
A sewage biological treatment apparatus, which is a technology for sewage treatment, generally degrades organic substances into water and carbon dioxide using microorganisms, is an effective way to treat various kinds of sewage in cities, industries, and agricultural production.
Sewage biological treatment plants generally comprise the following parts:
the preprocessing unit comprises: the method is mainly used for removing large solid matters and sediments in sewage, such as sand, stones, plastics and the like.
Activated sludge treatment system: the method comprises two treatment modes of activated sludge and biomembrane sludge, wherein the activated sludge treatment is to degrade organic matters into stable organic matters and finally convert the organic matters into water and gas; biofilm sludge treatment is achieved by adsorbing and degrading organic substances on the biofilm.
The activated sludge treatment generally adopts an aerobic treatment mode, namely sewage and microorganisms are treated together under the condition of sufficient oxygen, so that the microorganisms can efficiently degrade organic substances, under the aerobic condition, the microorganisms can metabolize and grow by utilizing the organic substances and oxygen in the sewage, and the biological activities of the microorganisms are maintained by absorbing and degrading the organic substances and oxidizing inorganic substances;
in the prior art, a water inlet of a treatment tank is usually fixed, so that sludge impurities in sewage are not uniformly precipitated in the treatment tank, sludge at the bottom of the treatment tank is not uniformly precipitated, and in the aeration process, the oxygen utilization rate of the sludge is relatively low, so that microorganisms can not degrade organic substances efficiently, and effluent is not up to standard, and therefore, the sewage biological treatment equipment with the functions of reducing pollution and saving energy is provided to solve the problem.
Disclosure of Invention
The present utility model aims to solve the technical problems described above in the prior art.
The aim and the effect of the utility model are achieved by the following specific technical means:
the utility model provides a sewage biological treatment equipment that has concurrently and subtract dirty and energy-conserving function, including handling the pond, install aeration equipment in the processing pond, aeration equipment is installed in the outside of handling the pond, aeration equipment is used for carrying out the aeration with the leading-in aeration equipment of air in handling the pond, the top of handling the pond is equipped with the opening, the open-top of handling the pond is provided with the movable plate that can reciprocating motion, the guide shell that follows movable plate synchronous motion is installed to the upper end of movable plate, one side of guide shell is connected with the inlet tube that gets into sewage, the bottom of guide shell is equipped with the discharge gate, the discharge gate vertically runs through to the below of movable plate, the servo motor second that the drive cutting wheel was rotatory is installed to the top that is located the discharge gate in the guide shell, the inside top of guide shell is equipped with independent installation chamber, install the energy storage battery in the installation chamber, through support fixed mounting photovoltaic plate in the top outside of guide shell, carry out solar energy absorption through the photovoltaic plate, and energy storage is carried out to the energy storage through the energy storage battery.
Preferably, grooves are formed in the front side and the rear side of the opening of the treatment tank, a reciprocating screw rod is rotatably connected between the two ends of the inside of the grooves, one end of the reciprocating screw rod penetrates through the outer side of the treatment tank and is connected with the outer side of the treatment tank through a synchronous wheel synchronous belt transmission, a first servo motor for driving the reciprocating screw rod on one side to rotate is arranged on the outer side of the treatment tank, sliding blocks are connected to the front side and the rear side of the moving plate, the sliding blocks are inserted into the grooves on the adjacent side, and the sliding blocks are sleeved on the outer side of the reciprocating screw rod in a threaded mode.
Preferably, the overflow pipe is integrally communicated with the upper part of the outer side of the treatment tank.
Preferably, a sludge pumping pipe is arranged at the bottom in the treatment tank, a sludge pump is arranged at the outer side of the treatment tank, a suction port of the sludge pump is connected with the sludge pumping pipe, and a discharge port of the sludge pump is connected with the sludge discharge pipe.
Preferably, the bottom in the treatment tank is fixed with a pipe frame through a support rod, the pipe frame is formed by connecting and connecting pipes vertically and horizontally, the aeration component is arranged above the pipe frame, and a plurality of groups of aeration components are arranged.
Preferably, the bottom of the tube rack is spaced apart from the bottom of the treatment tank by 12 cm.
Preferably, the aeration component is an aeration disc, and a turbulence component is arranged above the aeration component.
Preferably, the vortex part comprises hollow soft strips, one ends of the soft strips are communicated with small holes in the aeration disc, the soft strips are sequentially connected with a plurality of groups along the circumferential direction of the top of the aeration disc, and through holes are formed in the outer sides of the soft strips.
Preferably, the outer side of the soft strip is connected with a plurality of groups of floating blocks.
The beneficial effects are that:
1. this kind of have sewage biological treatment equipment of pollution abatement and energy-conserving function concurrently is provided with the guide shell, and the guide shell can follow the movable plate and carry out reciprocating motion, and then in leading-in treatment tank with sewage and mud even, be difficult for leading to mud to gather the inhomogeneous condition of heap, smash the processing simultaneously when mud gets into the treatment tank, follow-up can be more abundant with oxygen contact, and then reach more efficient processing.
2. The sewage biological treatment equipment with the functions of reducing sewage and saving energy is provided with the turbulence component, air flow generated by the aeration disc enters the soft strip and then is emitted through the through hole of the soft strip, the air flow can drive the soft strip to swing in sewage through the air flow in the soft strip, meanwhile, the soft strip with the interference of external air flow can swing all the time, so that bubbles in the sewage are continuously generated, oxygen and the sewage can be fully contacted, the outer side of the soft strip is connected with a plurality of groups of floating blocks, the soft strip can be upwards due to the arrangement of the floating blocks, and the soft strip is prevented from falling to the bottom of a treatment tank due to the surface adhesion of impurities such as sludge and the like.
Drawings
FIG. 1 is a schematic diagram of a sewage biological treatment apparatus with both pollution reduction and energy saving functions according to the present utility model.
FIG. 2 is a schematic cross-sectional view of a treatment cell of the present utility model.
FIG. 3 is a schematic cross-sectional view of a guide shell of the present utility model.
FIG. 4 is a schematic view of the connection of the pipe rack and the aeration device of the present utility model.
Fig. 5 is an enlarged schematic view of fig. 1 a according to the present utility model.
Fig. 6 is a schematic view of the structure of the aeration component and the turbulence component of the present utility model.
In fig. 1-6: the device comprises a treatment tank 1, a groove 101, a material guiding shell 2, a water inlet pipe 201, a discharge hole 202, a cutting wheel 203, an overflow pipe 3, a sludge pump 4, a sludge discharge pipe 5, a reciprocating screw rod 6, a moving plate 7, a sliding block 701, a photovoltaic plate 8, a sludge suction pipe 9, a pipe frame 10, an aeration component 11, a turbulence component 12, a flexible strip 121, a through hole 122, a floating block 123, an aeration device 13 and an energy storage battery 14.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-6, a sewage biological treatment device with functions of reducing pollution and saving energy comprises a treatment tank 1, wherein the top of the treatment tank 1 is provided with an opening, grooves 101 are formed in the front side and the rear side of the opening of the treatment tank 1, a reciprocating screw rod 6 is rotatably connected between the two ends of the inside of the grooves 101, one end of the reciprocating screw rod 6 penetrates through the outer side of the treatment tank 1 and is in transmission connection through a synchronous wheel synchronous belt, so that the reciprocating screw rod 6 can synchronously rotate, a first servo motor is installed on the outer side of the treatment tank 1, an output shaft of the first servo motor is connected with one end of the reciprocating screw rod 6 rotatably installed in the groove 101 on one side, the first servo motor is connected with a mains supply, and the first servo motor is controlled to be started and stopped through setting a power switch;
a horizontal moving plate 7 is arranged at the top opening of the treatment tank 1, the front side and the rear side of the moving plate 7 are both connected with a sliding block 701, the sliding block 701 is inserted into a groove 101 corresponding to the adjacent side, the sliding block 701 is sleeved on the outer side of the reciprocating screw rod 6 in a threaded manner, the reciprocating screw rod 6 is driven to rotate after the servo motor is started, the sliding block 701 drives the moving plate 7 to reciprocate along the reciprocating screw rod 6, a material guide shell 2 is arranged at the top of the moving plate 7, and the material guide shell 2 synchronously reciprocates left and right along with the top opening of the treatment tank 1 by the moving plate 7;
the guide shell 2 is a closed container with a cavity, one side of the guide shell 2 is connected with a water inlet pipe 201 for entering sewage, the bottom of the guide shell 2 is provided with a discharge hole 202, the discharge hole 202 vertically penetrates to the lower side of the movable plate 7, a rotating shaft capable of rotating is arranged between the front side and the rear side of the inside of the guide shell 2, a plurality of groups of cutting wheels 203 are fixed on the rotating shaft, the cutting wheels 203 are positioned right above the discharge hole 202, a servo motor II is arranged on the outer side of the guide shell 2, an output shaft of the servo motor II is connected with the rotating shaft, the servo motor II is connected with commercial power, the power supply switch is arranged to control the opening and closing of the servo motor II, the servo motor II is started to drive the rotating shaft to drive the cutting wheels 203 to rotate, sewage enters through sludge and impurities carried by the water inlet pipe 201, the servo motor II is started to drive the cutting wheels 203 to rotate and smash the impurities, so that the agglomerated sludge and the impurities can enter a treatment tank to carry out biological treatment in a smaller volume, the later stage is also convenient for enabling the sludge impurities to be fully contacted with oxygen to reach the high utilization rate, and the sewage can fall into the sewage treatment tank 1 after the reciprocating movement of the guide shell 2 is synchronous, and the sludge can be evenly treated in the sewage tank 1.
The inside top of guide shell 2 is equipped with independent installation cavity, installs energy storage battery 14 in the installation cavity, passes through support fixed mounting photovoltaic board 8 in the top outside of guide shell 2, carries out solar energy's absorption through photovoltaic board 8 to with solar energy conversion to electric energy, carry out the energy storage through energy storage battery 14, so that the electric energy that energy storage battery 14 stored supplies the consumer to use, in order to make the treatment tank have the pollution abatement and reach energy-conserving effect to a certain extent.
The overflow pipe 3 is integrally communicated with the upper part of the outer side of the treatment tank 1, and the overflow pipe 3 can guide redundant sewage of the treatment tank 1 into the tank body at the rear end for rear end treatment.
A sludge pumping pipe 9 is arranged at the bottom in the treatment tank 1, a sludge pump 4 is arranged at the outer side of the treatment tank 1, a suction port of the sludge pump 4 is connected with the sludge pumping pipe 9, a discharge port of the sludge pump 4 is connected with a sludge discharge pipe 5, the sludge pump 4 is connected with a mains supply, and a power switch is arranged to control the on-off of the sludge pump 4; after the sludge treatment is completed, the sludge pump 4 can be started, the sludge in the treatment tank 1 is pumped out through the sludge pumping pipe 9, and the sludge is discharged through the sludge discharging pipe 5, so that the treated sludge can be subjected to composting treatment and can be used as a soil remediation material or used for other purposes, and the sludge can be recycled.
The bottom in the treatment tank 1 is fixed with a pipe frame 10 through a support rod, the pipe frame 10 is formed by connecting pipes communicated with each other vertically and horizontally, a plurality of groups of aeration components 11 are connected and communicated with the pipe frame 10, a distance of 10-15cm is reserved between the bottom of the pipe frame 10 and the bottom of the treatment tank 1, so that sludge can be better contained in the bottom of the treatment tank 1, meanwhile, the sludge is not easy to enter the rear vertical Ma Maimei pipe frame 10 and the aeration components 11, a turbulence component 12 is arranged above the aeration components 11, an aeration device 13 is arranged on the outer side of the treatment tank 1, an air outlet of the aeration device 13 is connected with the pipe frame 10 through a pipeline, the aeration device 13 is connected with commercial power, a power switch is arranged to open and close the aeration device 13, air enters the pipe frame 10 after the aeration device 13 is started, and then aeration is carried out through the aeration components 11, so that a large amount of bubbles are generated in sewage and sludge can be biologically treated in an aerobic sufficient environment.
In this embodiment, the aeration component 11 may be any device capable of bursting oxygen-containing gas into water, such as a tubular aerator, a cyclone aerator and a jet aerator, and the aeration disk is preferably circular, and has many small holes on the surface, so that air flow can be emitted in multiple directions, a large number of tiny bubbles can be formed, the contact area between the air and water is increased, and the utilization rate is improved.
The vortex part 12 comprises a hollow soft strip 121, one end of the soft strip 121 is communicated with small holes on an aeration disc, the soft strip 121 is sequentially connected with a plurality of groups along the circumferential direction of the top of the aeration disc, through holes 122 are formed in the outer side of the soft strip 121, air flow generated by the aeration disc enters the soft strip 121 and then is emitted through the through holes 122 of the soft strip 121, the air flow flows in the soft strip 121 and drives the soft strip 121 to swing in sewage, meanwhile, the soft strip 121 with the interference of external air flow always swings, bubbles in the sewage are continuously generated, and oxygen and sewage can be fully contacted.
In this embodiment, the outer side of the soft strip 121 is connected with a plurality of groups of floating blocks 123, and the floating blocks 123 can make the soft strip 121 face upwards, so that the soft strip 12 is prevented from falling to the bottom of the treatment tank 1 due to the surface adhesion of impurities such as sludge and the like and does not float.
Working principle:
during the use, sewage gets into the inside of guide shell 2 through inlet tube 201, start servo motor one, and then drive reciprocating screw 6 rotation, and then make slider 701 drive movable plate 7 reciprocating motion, and then drive the reciprocating motion of guide shell 2, start servo motor two and drive cutting wheel 203 rotation, make sewage after getting into guide shell 2, cutting wheel 203 smashes mud, impurity, finally get into in the treatment tank 1 through discharge gate 202 is even, start aeration equipment 13, aeration part 11 carries out the aeration, simultaneously, the influence that receives aeration part 11 makes vortex part 12 swing, make the inside bubble of sewage continuous production, and then make sewage and mud can with the contact of oxygen more, make microorganism degradation organic matter effectively, after the sludge treatment is accomplished, start sludge pump 4, take out mud through mud pipe 9, then discharge through mud pipe 5, the sewage of handling is exported through 3 cooperation pumps, overflow pipe 3 also can be with the automatic export of the sewage of treatment tank 1.
Claims (9)
1. The utility model provides a sewage biological treatment equipment with pollution reduction and energy-saving functions concurrently, includes treatment tank (1), its characterized in that, install aeration equipment (11) in treatment tank (1), aeration equipment (13) are installed in the outside of treatment tank (1), aeration equipment (13) are used for leading-in aeration equipment (11) with air in treatment tank (1), the top of treatment tank (1) is equipped with the opening, the top opening of treatment tank (1) is provided with movable plate (7) that can reciprocating motion, guide shell (2) that follow movable plate (7) synchronous motion are installed to the upper end of movable plate (7), one side of guide shell (2) is connected with inlet tube (201) that gets into sewage, and the bottom of guide shell (2) is equipped with discharge gate (202), the below to movable plate (7) is vertically run through to discharge gate (202), the cutting wheel (203) that can rotate are installed to the top of guide shell (2) inside position in discharge gate (202), motor (2) top opening is provided with movable plate (7) that can reciprocate, two guide shell (2) are equipped with respectively at the side of the solar cell (2) that installs in the solar cell (2) through the fixed carrier (8), solar energy is absorbed through the photovoltaic panel (8), and is converted into electric energy, and energy storage is performed through the energy storage battery (14).
2. The sewage biological treatment device with the functions of reducing pollution and saving energy according to claim 1, wherein grooves (101) are formed in the front side and the rear side in an opening of the treatment tank (1), a reciprocating screw rod (6) is rotatably connected between two ends in the grooves (101), one end of the reciprocating screw rod (6) penetrates through the outer side of the treatment tank (1) and is in transmission connection through a synchronous wheel synchronous belt, a first servo motor for driving the reciprocating screw rod (6) on one side to rotate is arranged on the outer side of the treatment tank (1), sliding blocks (701) are connected on the front side and the rear side of the moving plate (7), the sliding blocks (701) are inserted into the grooves (101) on the adjacent side, and the sliding blocks (701) are sleeved on the outer side of the reciprocating screw rod (6) in a threaded mode.
3. The sewage biological treatment device with the functions of reducing pollution and saving energy according to claim 1, wherein the overflow pipe (3) is integrally communicated with the upper part of the outer side of the treatment tank (1).
4. The sewage biological treatment device with the functions of reducing sewage and saving energy according to claim 1, wherein a sludge pumping pipe (9) is arranged at the inner bottom of the treatment tank (1), a sludge pump (4) is arranged at the outer side of the treatment tank (1), a suction port of the sludge pump (4) is connected with the sludge pumping pipe (9), and a discharge port of the sludge pump (4) is connected with a sludge discharge pipe (5).
5. The sewage biological treatment device with the functions of reducing pollution and saving energy according to claim 1, wherein a pipe frame (10) is fixed at the inner bottom of the treatment tank (1) through a supporting rod, the pipe frame (10) is composed of pipes which are connected vertically and horizontally, an aeration component (11) is arranged above the pipe frame (10), and a plurality of groups of aeration components (11) are arranged.
6. The sewage biological treatment device with the functions of reducing pollution and saving energy according to claim 5, wherein the bottom of the pipe rack (10) and the bottom of the treatment tank (1) are kept at a distance of 12 cm.
7. The sewage biological treatment device with the functions of reducing sewage and saving energy according to claim 1, wherein the aeration component (11) is an aeration disc, and a turbulence component (12) is arranged above the aeration component (11).
8. The sewage biological treatment device with the functions of reducing sewage and saving energy according to claim 7, wherein the turbulence component (12) comprises a hollow soft strip (121), one end of the soft strip (121) is communicated with the small holes on the aeration disc, the soft strip (121) is sequentially connected with a plurality of groups along the top circumference of the aeration disc, and through holes (122) are formed in the outer side of the soft strip (121).
9. The sewage biological treatment apparatus with both the functions of reducing sewage and saving energy according to claim 8, wherein the outer side of the soft strip (121) is connected with a plurality of groups of floating blocks (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321225468.1U CN220449921U (en) | 2023-05-20 | 2023-05-20 | Sewage biological treatment equipment with pollution reduction and energy saving functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321225468.1U CN220449921U (en) | 2023-05-20 | 2023-05-20 | Sewage biological treatment equipment with pollution reduction and energy saving functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220449921U true CN220449921U (en) | 2024-02-06 |
Family
ID=89729401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321225468.1U Active CN220449921U (en) | 2023-05-20 | 2023-05-20 | Sewage biological treatment equipment with pollution reduction and energy saving functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220449921U (en) |
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2023
- 2023-05-20 CN CN202321225468.1U patent/CN220449921U/en active Active
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