CN221027962U - Leaching device for sewage treatment - Google Patents
Leaching device for sewage treatment Download PDFInfo
- Publication number
- CN221027962U CN221027962U CN202322869928.0U CN202322869928U CN221027962U CN 221027962 U CN221027962 U CN 221027962U CN 202322869928 U CN202322869928 U CN 202322869928U CN 221027962 U CN221027962 U CN 221027962U
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- Prior art keywords
- water
- water inlet
- water distribution
- sewage treatment
- sewage
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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 97
- 238000002386 leaching Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 286
- 238000012856 packing Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000007704 transition Effects 0.000 claims description 18
- 239000000945 filler Substances 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 9
- 244000005700 microbiome Species 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 239000010802 sludge Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 238000006396 nitration reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater 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
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a leaching device for sewage treatment, which comprises a water collecting area, a packing layer arranged above the water collecting area and a water distribution mechanism arranged above the packing layer, wherein the water distribution mechanism comprises a water inlet tank which is horizontally arranged and a plurality of water distribution tanks which are communicated with the water inlet tank and are horizontally arranged; the water inlet tank is divided into a water inlet area and a water guide area by the baffle plates, the water distribution tanks are communicated with the water guide area, the bottom of the water inlet tank is provided with a water inlet which is communicated with the water inlet area, the relative position of the water inlet is provided with a cover plate, the cover plate and the inner wall of the water inlet tank form a water inlet buffer space, overflowed sewage basically falls into the filler layer under the action of gravity, and the sewage does not have a larger initial speed when separating from the water distribution tanks, so that the sewage stays in the filler layer with the same structure for a longer time and is distributed more uniformly when the water distribution mechanism is utilized for water guide, the contact reaction of the sewage and microorganisms in the filler layer is facilitated, and the sewage treatment effect is improved.
Description
Technical Field
The utility model relates to the technical field of sewage treatment equipment, in particular to a leaching device for sewage treatment.
Background
The sewage treatment process is widely applied to various fields of construction, agriculture, traffic, energy, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like, and is increasingly used in the daily life of common people. The sewage treatment process is to purify the discharged water to reach the corresponding discharge standard, and in the sewage treatment process, the corresponding sewage treatment process is set according to the characteristics of sewage, so that different sewage treatment settings are adopted. The sewage leaching device is mainly used for the sewage biochemical treatment process, the pre-treated sewage is subjected to nitration reaction, nitrogen substances in the water are consumed, the water quality is improved, and the purpose of sewage treatment is achieved.
In the prior art, as in the patent application number CN202221298818.2 of the inventor and named as a sewage treatment leaching tower device, a water collecting tank is arranged in the patent to temporarily store pretreated sewage, a denitrification tank and a filler layer arranged above the denitrification tank can carry out biochemical reaction on the pretreated sewage, the reacted sewage can flow into a sedimentation tank to be precipitated, the sewage treatment is completed, and the emission standard can be reached. Wherein, the sewage in the water collecting tank is led out from the water distribution pipe above the packing layer after being guided by the lifting pump.
However, in the above structure, since the water distribution pipe is directly connected with the lift pump, the lift pump has a supercharging effect on water flow, the water flow led out from the water distribution pipe actually enters the position above the packing layer in a jet flow mode, and the water distribution mechanism easily reduces the time for the water flow to pass through the packing layer, and reduces the residence time of sewage in the packing layer, thereby reducing the reaction time of the sewage and nitrifying bacteria in the packing layer, and further causing the problem that the sewage treatment effect of the existing sewage treatment device is not ideal.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides a leaching device for sewage treatment, which solves the problem that the sewage treatment device in the prior art has an unsatisfactory sewage treatment effect.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the leaching device for sewage treatment comprises a water collecting area, a packing layer arranged above the water collecting area and a water distribution mechanism arranged above the packing layer, wherein the water distribution mechanism comprises a water inlet tank which is horizontally arranged and a plurality of water distribution tanks which are communicated with the water inlet tank and are horizontally arranged;
The water inlet tank is divided into a water inlet area and a water guide area by the baffle plates, the water distribution tanks are communicated with the water guide area, the bottom of the water inlet tank in the water inlet area is provided with a water inlet which is communicated with the water inlet tank, the relative position of the water inlet is provided with a cover plate, the cover plate and the inner wall of the water inlet tank form a water inlet buffer space, and the water inlet buffer space is provided with a water outlet gap which is opposite to the baffle plates.
The principle of the utility model is as follows: the sewage which is pretreated outside is transmitted through the lift pump and enters the water inlet buffer space in the water inlet tank through the water inlet, the water flow which enters from the water inlet is impacted on the cover plate for one time to be decelerated, when the water flow is full of the water inlet buffer space, the water which is led out from the water outlet gap theoretically has a certain water outlet speed because the volume of the buffer space is larger than that of the water outlet gap, the water flow which is led out from the water outlet gap is blocked by the baffle plate, the water flow speed is slowed down by contact, the aim of secondary deceleration is fulfilled, and after the gap between the cover plate and the baffle plate is full of the water flow, the water overflows from the baffle plate to the water guide area, so that the sewage enters into the water distribution tank for water distribution, the sewage overflows from the side wall of the water distribution tank enters into the filler layer below to react with microorganisms in the filler layer in a contact mode, and the reacted sewage enters into the water collection area for retention or enters into the next sewage treatment flow.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the water flow led in by the lift pump is subjected to secondary deceleration treatment by the water inlet tank, so that the flow rate of sewage entering a plurality of water distribution tanks can be reduced, the sewage entering the water distribution tanks overflows after being filled in the water distribution tanks, and the overflowed sewage basically falls into the filler layer under the action of gravity and does not have a larger initial speed when being separated from the water distribution tanks, so that the residence time of the sewage in the filler layer with the same structure is longer, the water distribution is more uniform, the contact reaction of the sewage and microorganisms in the filler layer is facilitated, and the sewage treatment effect is improved.
Further, the baffle is arranged between the two side walls of the water inlet tank, and the height of the baffle is smaller than the height of the two side walls of the water inlet tank.
Further, the length direction of the water distribution groove is perpendicular to the length direction of the water inlet groove, and the water distribution grooves are distributed at intervals along the length direction of the water inlet groove and are communicated with the water inlet groove.
Further, a plurality of water leakage notches are formed in the two side walls of the water distribution groove, and the water leakage notches are uniformly distributed along the length direction of the water distribution groove.
Further, the water leakage notch is of a V-shaped structure.
Further, the water distribution device also comprises transition grooves which are parallel to the water inlet grooves and are distributed at intervals, a plurality of water distribution grooves are arranged between the water inlet grooves and the transition grooves, and the water distribution grooves are communicated with the transition grooves.
Further, the bottoms of the water inlet tank and the transition tank are respectively provided with a mud discharging pipe.
Further, a supporting frame for installing a packing layer and at least one connecting rod for adjusting levelness of the water distribution groove are arranged above the water collecting area, and the connecting rod is arranged below the water distribution groove to support the water distribution groove.
Further, the water inlet is connected with a water inlet pipe.
Further, a plurality of drain pipes are arranged at the bottom of the water collecting area.
Drawings
FIG. 1 is a schematic diagram of a leaching device for sewage treatment according to the present utility model;
FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;
FIG. 3 is a schematic structural view of the water distribution mechanism of the present utility model;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic view of the structure of the water inlet tank of the present utility model;
FIG. 6 is a sectional view of the structure of the water inlet tank of the present utility model;
FIG. 7 is an enlarged view of portion B of FIG. 6;
Fig. 8 is an enlarged view of a portion C in fig. 6.
In the figure: the sewage treatment device comprises a water collecting area 1, a sewage discharge pipe 11, a filling frame 12, a supporting frame 13, a supporting plate 14, a connecting rod 15, a water inlet tank 2, a sewage discharge hole 21, a baffle 22, a cover plate 23, a water outlet gap 24, a water inlet 25, a secondary buffer area 26, a water guide area 27, a through hole 28, a water inlet buffer space 29, a water distribution tank 3, a water leakage notch 31, a transition tank 4, a mud discharge pipe 41 and a water inlet pipe 5.
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.
As shown in fig. 1 and 2, the leaching device for sewage treatment comprises a shell, a water collecting area 1 arranged in the shell, a packing layer arranged above the water collecting area 1 and a water distribution mechanism arranged above the packing layer. A plurality of support plates 14 are arranged in the water collecting area 1, a support frame 13 is arranged above the plurality of support plates 14, and the support frame 13 is of a multi-layer structure and is convenient for placement of the layers of the packing frame 12 for loading packing. The stuffing in the stuffing frame 12 can be hydrophilic polyurethane sponge blocks with the length of 3-4cm 3 in the prior art to form facultative state required by microbial denitrification, and the total nitrogen can be removed efficiently. Of course, other microorganisms may be attached to the packing within the packing frame 114 to biochemically react with the wastewater to remove other contaminants from the water. The filler layer is formed by a plurality of filler frames 12 provided with fillers, and the water distribution mechanism is arranged above the filler layer and is used for carrying out water distribution operation on pretreated sewage, so that the sewage and the fillers in the filler layer can smoothly contact and react, and nitrogen compounds in the sewage can be removed. The sewage after digestion reaction flows back to the water collecting area 1 for temporary storage or overflows to the subsequent treatment process.
When the pretreatment sewage is subjected to the nitration reaction, the sewage treatment effect can be improved by increasing the residence time of the sewage in the filler layer under the condition that the structure of the filler layer and the type of the filler are unchanged. Because the pretreated sewage is directly injected from the upper part of the packing layer through the lift pump in the prior art, the sewage treatment efficiency in the prior art is still unsatisfactory, and therefore, the structure of the existing water distribution mechanism is improved, and the water flow led in by the lift pump is subjected to secondary speed reduction treatment, so that the water flow is basically free from initial velocity when being separated from the water distribution mechanism, and the residence time of the sewage entering the packing layer is further prolonged.
Specifically, as shown in fig. 3-8, the water distribution mechanism comprises a water inlet tank 2 which is horizontally arranged and a plurality of water distribution tanks 3 which are communicated with the water inlet tank 2 and are horizontally arranged; the water inlet tank 2 is divided into a water inlet area and a water guide area 27 by a baffle 22, a plurality of water distribution tanks 3 are communicated with the water guide area 27, a water inlet 25 which is communicated with each other is arranged at the bottom of the water inlet tank 2 in the water inlet area, a cover plate 23 is arranged above the water inlet 25, the cover plate 23 is arranged at one end of the water inlet tank 2 and forms a water inlet buffer space 29 with the inner wall of the water inlet tank 2, and the water inlet buffer space 29 is provided with a water outlet gap 24 which is opposite to the baffle 22. The water inlet pipe 5 and the water distribution groove 3 are of a bar-shaped groove structure, the water inlet groove 2 is horizontally arranged above the supporting frame 13 and is fixed with the supporting frame 13, the length direction of the water distribution groove 3 is perpendicular to the length direction of the water inlet groove 2, a plurality of water distribution grooves 3 are distributed at intervals along the length direction of the water inlet groove 2 and are respectively communicated with through holes 28 formed in the side wall of the water inlet groove 2, at least one connecting rod 15 is arranged below the water distribution grooves 3, the connecting rod 15 is detachably connected with the supporting frame 13, during installation, the water distribution groove 3 can be checked to be horizontal through the aid of a level meter, and after the water distribution groove 3 is horizontal, the connecting rod 15 for supporting the water distribution groove 3 can be fixed with a shell (not shown in the figure) through bolts. In order to ensure that the connecting rods 15 effectively support and level the water distribution tank 3, three connecting rods 15 which are distributed at intervals are arranged, and the connecting rods 15 are parallel to the water inlet tank 2 and detachably fixed with a shell (not shown).
As shown in fig. 3 and 4, in order to facilitate the sewage entering the water distribution tank 3 to overflow into the filler layer, a plurality of water leakage notches 31 are arranged on both side walls of the water distribution tank 3, the water leakage notches 31 are uniformly distributed along the length direction of the water distribution tank 3, and the water leakage notches 31 are in a V-shaped structure. When sewage in the water inlet tank 2 enters the water distribution tanks 3, in order to overflow water in the water distribution tanks 3, the other end of the water distribution tank 3 is in theory required to be sealed, so that the sewage can be conveniently accumulated in the water distribution tanks 3 and overflows from the water leakage notches 31. The utility model aims to make the overflow water distribution effect of a plurality of water distribution tanks 3 more uniform, the water distribution mechanism comprises transition tanks 4 which are parallel to the water inlet tank 2 and are distributed at intervals, the plurality of water distribution tanks 3 are arranged between the water inlet tank 2 and the transition tanks 4, and the plurality of water distribution tanks 3 are communicated with the transition tanks 4. The transition groove 4 is fixed above the support frame 13. When the sewage treatment device is used for the first time, the water inflow is increased to ensure that sewage enters the transition pipe from the water distribution groove 3, and then the flow is gradually regulated, so that the sewage can be distributed in the whole water distribution mechanism stably.
The utility model can improve the principle of sewage treatment effect: the sewage which is pretreated from the outside is conveyed by a lift pump and then is led into the water inlet tank 2 through the water inlet pipe 5 which is communicated with the water inlet 25, because the cover plate 23 is arranged opposite to the water inlet 25, the water flow which is fed from the water inlet 25 is impacted on the cover plate 23 for one time to be decelerated, when the water flow is full of the water inlet buffer space 29, the water which is led out from the water outlet gap 24 theoretically has a certain water outlet speed because the volume of the buffer space is larger than that of the water outlet gap 24, the water flow which is led out from the water outlet gap 24 is blocked by the baffle plate 22, the water flow speed is slowed down by contact, the purpose of secondary deceleration is achieved, and when the gap between the cover plate 23 and the baffle plate 22 is full of water flow, the water overflows from the baffle plate 22 to the water guide area 27, so as to be distributed in the water distribution tanks 3, the sewage overflowed from the side walls of the water distribution tanks 3 enters the filler layer below, and the microorganism in the filler layer to contact and react, and the sewage which is reacted enters the water collecting area 1 or enters the next sewage treatment flow.
As shown in fig. 3, 5, 6 and 7, the baffle 22 is disposed between two side walls of the water inlet tank 2, the baffle 22 may be disposed perpendicular to the length direction of the water inlet tank 2, or may be disposed between two side walls of the water inlet tank 2 along an oblique direction, and the baffle 22 and the water outlet gap 24 are disposed at intervals to form a secondary buffer area 26, so that the sewage blocked by the cover plate 23 can realize secondary buffer and speed reduction in the secondary buffer area 26, and the water after speed reduction overflows from the baffle 22 to the water guiding area 27.
As shown in fig. 3, 5 and 8, the water inlet tank 2 and the transition tank 4 are used for continuously introducing pretreated sewage, the sewage possibly contains sludge or other impurities, the water distribution mechanism has a speed reducing effect on water inflow, the water flow speed entering the water inlet tank 2 and the transition tank 4 along with water flow is low, the sludge or other impurities mixed in the sewage are easy to settle at the bottoms of the water inlet tank 2 and the transition tank 4, and for this purpose, the bottoms of the water inlet tank 2 and the transition tank 4 are respectively provided with a sludge discharge hole 21, the sludge discharge holes 21 are fixedly provided with a sludge discharge pipe 41 which is communicated, the sludge discharge pipe 41 can be provided with a valve, the opening and the closing of the sludge discharge pipe 41 can be controlled through the valve, when the sewage is required to be cleaned, and when the sewage is not required to be cleaned, the sludge discharge pipe 41 is closed, so that the use of the whole water distribution mechanism is not influenced.
As shown in fig. 1 and 2, since the packing frame 12 of the present utility model has a rectangular frame structure, and the length direction of the packing frame 12 is perpendicular to the length direction of the water distribution grooves 3, in order to make the water overflowed from the water distribution grooves 3 distribute water uniformly the packing in the packing frame 12 in the structure, the plurality of water distribution grooves 3 of the present utility model are arranged in pairs, two water distribution grooves 3 of each group are arranged adjacently and matched, and two water distribution grooves 3 of each group are matched with a row of packing frames 12 arranged along the length direction of the water distribution grooves 3.
As shown in fig. 1, the sewage passing through the filler layer also contains sludge or other impurities, and the impurities in the sewage can be settled in the temporary storage process of the sewage in the water collecting area 1, so that the impurities in the water collecting area 1 are conveniently led out, and a plurality of sewage pipes 11 are arranged at the bottom of the water collecting area 1.
According to the utility model, the water flow led in by the lifting pump is subjected to secondary deceleration treatment by the water inlet tank 2, so that the flow rate of sewage entering the water distribution tanks 3 can be reduced, the sewage entering the water distribution tanks 3 overflows after being filled in the water distribution tanks 3, and the overflowed sewage basically falls into the filler layer under the action of gravity and does not have a larger initial speed when leaving the water distribution tanks 3, so that the residence time of the sewage in the filler layer with the same structure is longer when the water distribution mechanism is used for water guide, the contact reaction of the sewage and microorganisms in the filler layer is more facilitated, and the sewage treatment effect is improved.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Claims (10)
1. The utility model provides a leaching device for sewage treatment, includes water collecting region (1), sets up the packing layer and the water distribution mechanism of setting in the packing layer top of water collecting region (1), its characterized in that: the water distribution mechanism comprises a water inlet tank (2) which is horizontally arranged and a plurality of water distribution tanks (3) which are communicated with the water inlet tank (2) and are horizontally arranged;
the water inlet tank (2) is divided into a water inlet area and a water guide area (27) through the baffle plate (22), the water distribution tanks (3) are communicated with the water guide area (27), a water inlet (25) which is communicated with each other is arranged at the bottom of the water inlet tank (2) in the water inlet area, a cover plate (23) is arranged at the opposite position of the water inlet (25), a water inlet buffer space (29) is formed by the cover plate (23) and the inner wall of the water inlet tank (2), and a water outlet gap (24) which is opposite to the baffle plate (22) is arranged in the water inlet buffer space (29).
2. The leaching device for sewage treatment according to claim 1, wherein: the baffle (22) is arranged between two side walls of the water inlet tank (2), and the height of the baffle (22) is smaller than the height of the two side walls of the water inlet tank (2).
3. The leaching device for sewage treatment according to claim 1, wherein: the length direction of the water distribution groove (3) is perpendicular to the length direction of the water inlet groove (2), and the water distribution grooves (3) are distributed at intervals along the length direction of the water inlet groove (2) and are communicated with the water inlet groove (2).
4. A leaching apparatus for sewage treatment according to claim 3, wherein: a plurality of water leakage gaps (31) are formed in the two side walls of the water distribution groove (3), and the water leakage gaps (31) are uniformly distributed along the length direction of the water distribution groove (3).
5. The leaching apparatus for sewage treatment according to claim 4, wherein: the water leakage notch (31) is of a V-shaped structure.
6. A leaching apparatus for sewage treatment according to any one of claims 1 to 5, wherein: the water distribution device further comprises transition grooves (4) which are parallel to the water inlet grooves (2) and are distributed at intervals, a plurality of water distribution grooves (3) are arranged between the water inlet grooves (2) and the transition grooves (4), and the water distribution grooves (3) are all communicated with the transition grooves (4).
7. The leaching apparatus for sewage treatment according to claim 6, wherein: mud pipes (41) are arranged at the bottoms of the water inlet tank (2) and the transition tank (4).
8. The leaching apparatus for sewage treatment according to any one of claims 1, 2, 3, 4, 5, and 7, wherein: the water collecting area (1) top is equipped with support frame (13) that are used for installing the packing layer and is used for adjusting at least one connecting rod (15) of water distribution groove (3) levelness, connecting rod (15) set up in water distribution groove (3) below support water distribution groove (3).
9. The leaching apparatus for sewage treatment according to claim 8, wherein: the water inlet (25) is connected with a water inlet pipe (5).
10. The leaching apparatus for sewage treatment according to claim 9, wherein: a plurality of blow-down pipes (11) are arranged at the bottom of the water collecting area (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322869928.0U CN221027962U (en) | 2023-10-24 | 2023-10-24 | Leaching device for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322869928.0U CN221027962U (en) | 2023-10-24 | 2023-10-24 | Leaching device for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221027962U true CN221027962U (en) | 2024-05-28 |
Family
ID=91138207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322869928.0U Active CN221027962U (en) | 2023-10-24 | 2023-10-24 | Leaching device for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221027962U (en) |
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2023
- 2023-10-24 CN CN202322869928.0U patent/CN221027962U/en active Active
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