CN220245705U - Domestic sewage purifying treatment device - Google Patents
Domestic sewage purifying treatment device Download PDFInfo
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- CN220245705U CN220245705U CN202321469169.2U CN202321469169U CN220245705U CN 220245705 U CN220245705 U CN 220245705U CN 202321469169 U CN202321469169 U CN 202321469169U CN 220245705 U CN220245705 U CN 220245705U
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- tank
- treatment tank
- domestic sewage
- treatment
- sterilization
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- 239000010865 sewage Substances 0.000 title claims abstract description 63
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 65
- 230000001954 sterilising effect Effects 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000001914 filtration Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000002351 wastewater Substances 0.000 claims abstract description 27
- 239000010791 domestic waste Substances 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 235000013311 vegetables Nutrition 0.000 claims abstract description 5
- 230000000249 desinfective effect Effects 0.000 claims description 23
- 238000000746 purification Methods 0.000 claims description 22
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 16
- 239000002893 slag Substances 0.000 claims description 16
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 8
- 239000000460 chlorine Substances 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000004155 Chlorine dioxide Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002910 solid waste Substances 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 244000000010 microbial pathogen Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a domestic sewage purifying treatment device, which comprises; the household waste filter treatment device comprises a bearing frame, wherein a household waste filter treatment mechanism, a first sterilization treatment tank and a second sterilization treatment tank are sequentially arranged at the top of the bearing frame from left to right. When the device is used, domestic sewage is directly led into the lifting conveyor in the domestic waste filtering treatment mechanism, when the sewage is conveyed upwards along with the crawler belt of the lifting conveyor, the water body is led into the waste water collecting tank through the crawler belt clearance and the filtering holes of the conveyor shell, and residues such as vegetable leaves in the domestic sewage are sent into the residue collecting tank, so that more efficient solid-liquid separation and filtering treatment can be realized for the domestic sewage with more solid wastes, and compared with the common grid, filter screen and the like, the solid-liquid filtering separation effect is good, and the blocking risk is small.
Description
Technical Field
The utility model relates to the technical field of sewage purification treatment, in particular to a domestic sewage purification treatment device.
Background
The economic development and the technological progress, although the living standard of people is higher and higher, the wastewater pollution condition is aggravated, and in order to protect the environment and solve the water shortage problem, the application of the sewage purification treatment device is more and more, and the requirements of people on the sewage purification treatment device are higher and higher.
Because sewage purification treatment device often only can utilize filter screen or grid etc. to carry out the preliminary filtration purification treatment when actual operation, and often mix a large amount of residues such as vegetables fruit bits in the domestic sewage, this leads to filter grid etc. of entry end to be stopped up easily, solid-liquid separation effect can not satisfy domestic sewage's demand, again, consider that the pollutant that domestic sewage contained is mainly organic matter and a large amount of pathogenic microorganism, and sewage purification treatment device generally only specific single disinfection mechanism, this leads to it can not thoroughly kill bacterial virus etc. in the waste water, result in the result of use not good, for this reason, we propose a novel domestic sewage purification treatment device, solve above-mentioned problem.
Disclosure of Invention
The utility model aims to provide a domestic sewage purifying treatment device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a domestic sewage purifying treatment device, comprising;
the household waste treatment device comprises a bearing frame, wherein a household waste filtering treatment mechanism, a first sterilizing treatment tank and a second sterilizing treatment tank are sequentially arranged at the top of the bearing frame from left to right, top covers are clamped at the tops of the first sterilizing treatment tank and the second sterilizing treatment tank, a rotary driving piece is arranged at the top of the top cover, a liquid guide pipe piece is connected between the first sterilizing treatment tank and the second sterilizing treatment tank, and a second sewage pump is arranged on the liquid guide pipe piece;
the ozone generator is arranged on one side of the first sterilization and disinfection treatment tank and used for realizing an ozone sterilization function, the chlorine dioxide generator is arranged on one side of the second sterilization and disinfection treatment tank and used for realizing a chlorine sterilization function, and one end, far away from the first sterilization and disinfection treatment tank, of the second sterilization and disinfection treatment tank is connected with the multistage filtering tower.
Further, domestic waste filters processing mechanism includes slag charge collecting vat, promotes conveyer, waste water collecting vat, first sewage pump and intake pipe fitting, slag charge collecting vat welds in the top of bearing frame, waste water collecting vat welds on the bearing frame of slag charge collecting vat one end, promote the inside that the conveyer installed in slag charge collecting vat and waste water collecting vat for realize solid-liquid separation to domestic sewage and handle, filter out slag charge such as dish leaf wherein.
Further, the inlet pipe piece sets up between waste water collecting vat and the disinfection treatment jar that disinfects, first sewage pump is installed in the top of inlet pipe piece for with accomplishing the automatic leading-in next level processing mechanism of water of solid-liquid separation.
Further, fixed lock catches are evenly installed between the first sterilizing and disinfecting treatment tank and the second sterilizing and disinfecting treatment tank and the top cover, and rubber sealing rings are arranged on the inner side walls of the top cover, so that a user can clean and maintain the inner structures of the first sterilizing and disinfecting treatment tank and the second sterilizing and disinfecting treatment tank conveniently.
Further, the rotary driving piece is a servo motor, a mixing shaft is arranged at the output end of the rotary driving piece, wastewater, ozone, chlorine and the like are convenient to fully contact through the movement of a water body, and the effect of sterilizing and disinfecting treatment of sewage is improved.
Further, stainless steel filter screen, filter cloth layer and active carbon filter layer have been set gradually to the inside of multistage filter tower, the input and the output of multistage filter tower all are provided with the ring flange, can carry out filtration purification treatment, filter the float color, the peculiar smell etc. in the dewatering to the water that accomplishes the disinfection treatment, have promoted the purification effect of domestic sewage, are convenient for its follow and directly utilize as well water.
Further, the bottom of the liquid guide pipe piece is uniformly connected with a sludge collecting cylinder in a threaded manner, so that partial solid residues in the water body led into the second sterilization and disinfection treatment tank from the first sterilization and disinfection treatment tank can be collected.
Compared with the prior art, the utility model has the beneficial effects that:
this domestic sewage purification treatment device has optimized self performance through installing waste water collecting tank and first disinfection treatment jar etc. for the device, on the one hand with the inside promotion conveyer of domestic waste filtration treatment mechanism of direct leading-in domestic sewage, during the sewage along with the track upward transmission of promotion conveyer, the inside waste water collecting tank can be passed through to the water, and residues such as dish leaf in the domestic sewage then can be sent to the slag charge collecting tank inside, and then can realize comparatively high-efficient solid-liquid separation to the domestic sewage of solid waste, filtering treatment, it is effectual, block up the risk is little than ordinary grid, its solid-liquid filtration separation such as filter screen, then start first sewage pump, the effect of cooperation intake pipe fitting, can be with the automatic leading-in next stage processing mechanism of the water of accomplishing the solid-liquid separation, on the other hand water can pass through first disinfection treatment jar and the second disinfection treatment jar of disinfecting in proper order, the former is disinfected to leading-in ozone in the waste water through ozone generator, the latter is imported chlorine liquid and is disinfected, and then make the device possess the multistage disinfection mechanism of disinfecting, and have been expected to have the high practicality and have fully disinfected the biological quality of the disinfection and have been expected to have the biological quality of disinfecting.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic diagram of a rear view of a domestic waste filtering and treating mechanism according to the present utility model;
FIG. 3 is a schematic diagram showing the front view of the second sterilizing and disinfecting tank according to the present utility model;
fig. 4 is a schematic rear view of the rotary driving member of the present utility model.
In the figure: 1. a domestic waste filtering and treating mechanism; 101. a slag collection tank; 102. lifting the conveyor; 103. a waste water collection tank; 104. a first sewage pump; 105. a water inlet pipe fitting; 2. a carrier; 3. a first sterilization and disinfection treatment tank; 4. a second sterilization and disinfection treatment tank; 5. an ozone generator; 6. a rotary driving member; 7. fixing the lock catch; 8. a multi-stage filtration tower; 9. a chlorine dioxide generator; 10. a sludge collection cylinder; 11. a catheter member; 12. a second sewage pump; 13. a top cover; 14. and (5) uniformly mixing the shafts.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: a domestic sewage purifying treatment device, comprising;
the household waste treatment device comprises a bearing frame 2, wherein a household waste filtering treatment mechanism 1, a first sterilization and disinfection treatment tank 3 and a second sterilization and disinfection treatment tank 4 are sequentially arranged at the top of the bearing frame 2 from left to right, a top cover 13 is clamped at the tops of the first sterilization and disinfection treatment tank 3 and the second sterilization and disinfection treatment tank 4, a rotary driving piece 6 is arranged at the top of the top cover 13, a liquid guide pipe piece 11 is connected between the first sterilization and disinfection treatment tank 3 and the second sterilization and disinfection treatment tank 4, and a second sewage pump 12 is arranged on the liquid guide pipe piece 11;
an ozone generator 5, wherein the ozone generator 5 is arranged on one side of the first sterilization and disinfection treatment tank 3 and is used for realizing an ozone sterilization function, a chlorine dioxide generator 9 is arranged on one side of the second sterilization and disinfection treatment tank 4 and is used for realizing a chlorine sterilization function, and one end, far away from the first sterilization and disinfection treatment tank 3, of the second sterilization and disinfection treatment tank 4 is connected with a multi-stage filtering tower 8;
the domestic waste filtering treatment mechanism 1 comprises a slag collecting tank 101, a lifting conveyor 102, a waste water collecting tank 103, a first sewage pump 104 and a water inlet pipe fitting 105, wherein the slag collecting tank 101 is welded at the top end of a bearing frame 2, the waste water collecting tank 103 is welded on the bearing frame 2 at one end of the slag collecting tank 101, the lifting conveyor 102 is arranged inside the slag collecting tank 101 and the waste water collecting tank 103 and is used for realizing solid-liquid separation treatment on domestic sewage and filtering out residues such as vegetable leaves;
the water inlet pipe fitting 105 is arranged between the wastewater collecting tank 103 and the first sterilization and disinfection treatment tank 3, and the first sewage pump 104 is arranged at the top of the water inlet pipe fitting 105 and is used for automatically guiding the water body subjected to solid-liquid separation into a next-stage treatment mechanism;
a fixed lock catch 7 is uniformly arranged between the first sterilization and disinfection treatment tank 3 and the second sterilization and disinfection treatment tank 4 and the top cover 13, and a rubber sealing ring is arranged on the inner side wall of the top cover 13;
when the sterilizing and disinfecting device is used, a user can utilize the top covers 13 which are connected with the tops of the first sterilizing and disinfecting treatment tank 3 and the second sterilizing and disinfecting treatment tank 4 through the fixed lock catches 7 to realize the disassembling and assembling treatment of the top covers 13, so that the user can clean and maintain the internal structures of the first sterilizing and disinfecting treatment tank 3 and the second sterilizing and disinfecting treatment tank 4 conveniently;
the rotary driving piece 6 is a servo motor, and a mixing shaft 14 is arranged at the output end of the rotary driving piece 6;
when the sewage treatment device is used, the rotary driving piece 6 is started to drive the mixing shaft 14 to rotate, so that the sewage in the first sterilizing and disinfecting treatment tank 3 and the second sterilizing and disinfecting treatment tank 4 can be stirred, the sewage can be conveniently and fully contacted with ozone, chlorine and the like through the movement of the water body, and the sterilizing and disinfecting treatment effect of the sewage is improved;
the inside of the multi-stage filtering tower 8 is sequentially provided with a stainless steel filter screen, a filter cloth layer and an active carbon filter layer, and the input end and the output end of the multi-stage filtering tower 8 are provided with flange plates;
when the device is used, on one hand, the multi-stage filter tower 8 which is provided with the stainless steel filter screen, the filter cloth layer and the active carbon filter layer in sequence is arranged at the tail end of the device, so that the water body which is subjected to sterilization and disinfection treatment can be subjected to filtration and purification treatment, floating color, peculiar smell and the like in water are filtered, the purification effect of domestic sewage is improved, the domestic sewage is convenient to be directly used as reclaimed water, and on the other hand, the connection between the multi-stage filter tower 8 and the second sterilization and disinfection treatment tank 4 and the connection between the multi-stage filter tower 8 and the water utilization recovery equipment can be realized by using the flange plates arranged at the input end and the output end of the multi-stage filter tower 8;
the bottom of the liquid guiding pipe piece 11 is uniformly connected with a sludge collecting cylinder 10 through threads;
when the device is used, the sludge collection cylinder 10 is uniformly connected with the bottom of the liquid guide pipe piece 11 in a threaded manner, so that partial solid residues in the water body led into the second sterilization and disinfection treatment tank 4 by the first sterilization and disinfection treatment tank 3 can be collected, and the cleaning can be realized by removing the sludge collection cylinder 10.
The working principle of the utility model is as follows: the external power supply firstly directly leads domestic sewage into the lifting conveyor 102 in the domestic waste filtering treatment mechanism 1, when the sewage is upwards transmitted along with the caterpillar band of the lifting conveyor 102, the water body is led into the waste water collecting tank 103 through the caterpillar band clearance and the filtering holes of the conveyor shell, and residues such as vegetable leaves in the domestic sewage are led into the residue collecting tank 101, so that more efficient solid-liquid separation and filtering treatment can be realized for the domestic sewage with more solid wastes, compared with the common grid, the filtering net and the like, the solid-liquid filtering separation effect is good, the blocking risk is small, then the first sewage pump 104 is started, the action of the water inlet pipe fitting 105 is matched, the water body which completes the solid-liquid separation can be automatically led into the next treatment mechanism, then the water body sequentially passes through the first sterilization and disinfection treatment tank 3 and the second sterilization and disinfection treatment tank 4, the former carries out sterilization and disinfection by introducing ozone into the wastewater through an ozone generator 5, and the latter carries out sterilization and disinfection by introducing chlorine liquid into the wastewater through a chlorine dioxide generator 9, so that the device is provided with a two-stage sterilization and disinfection mechanism, the pollution contained in domestic sewage is mainly organic matters and a large number of pathogenic microorganisms, the water body is fully purified through multistage sterilization and disinfection, the practicability is strong, moreover, the rotary driving piece 6 is started to drive the mixing shaft 14 to rotate, the wastewater inside the first sterilization and disinfection treatment tank 3 and the second sterilization and disinfection treatment tank 4 can be stirred and treated, the wastewater is convenient to fully contact with ozone, chlorine and the like through the motion of the water body, the effect of the wastewater sterilization and disinfection treatment is improved, and finally, the multistage filtering tower 8 which is provided with a stainless steel filter screen, a filter cloth layer and an active carbon filter layer in sequence is arranged at the tail end of the device, the water body after the sterilization and disinfection treatment can be subjected to filtration and purification treatment, color and peculiar smell in water filtration and the like, the purification effect of domestic sewage is improved, the domestic sewage is convenient to directly utilize as reclaimed water, on the other hand, the flange plate arranged at the input end and the output end of the multi-stage filtration tower 8 is utilized, the multi-stage filtration tower 8, the second sterilization and disinfection treatment tank 4 and water are communicated and connected by using recovery equipment, on the other hand, a user can utilize the top cover 13 connected with the top of the first sterilization and disinfection treatment tank 3 and the second sterilization and disinfection treatment tank 4 through the fixed lock catch 7, the disassembly and assembly treatment of the top cover 13 is realized, the cleaning and maintenance of the internal structures of the first sterilization and disinfection treatment tank 3 and the second sterilization and disinfection treatment tank 4 are facilitated, on the other hand, the sludge collection cylinder 10 is uniformly connected with the bottom of the liquid guide pipe piece 11 through threads, and part of solid residues in the water body inside the second sterilization and disinfection treatment tank 4 can be collected by the first sterilization and disinfection treatment tank 3, and the cleaning can be realized through the sludge collection cylinder 10.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A domestic sewage purification treatment device, which is characterized by comprising;
the household waste treatment device comprises a bearing frame (2), wherein a household waste filtering treatment mechanism (1), a first sterilizing and disinfecting treatment tank (3) and a second sterilizing and disinfecting treatment tank (4) are sequentially arranged at the top of the bearing frame (2) from left to right, a top cover (13) is clamped at the tops of the first sterilizing and disinfecting treatment tank (3) and the second sterilizing and disinfecting treatment tank (4), a rotary driving piece (6) is arranged at the top of the top cover (13), a liquid guide pipe piece (11) is connected between the first sterilizing and disinfecting treatment tank (3) and the second sterilizing and disinfecting treatment tank (4), and a second sewage pump (12) is arranged on the liquid guide pipe piece (11);
ozone generator (5), ozone generator (5) are installed in one side of first disinfection treatment tank (3) for realize ozone sterilization function, chlorine dioxide generator (9) are installed to one side of second disinfection treatment tank (4) for realize chlorine sterilization function, the one end that second disinfection treatment tank (4) kept away from first disinfection treatment tank (3) is connected with multistage filter tower (8).
2. The domestic sewage purification treatment device according to claim 1, wherein the domestic waste filtering treatment mechanism (1) comprises a slag collecting tank (101), a lifting conveyor (102), a waste water collecting tank (103), a first sewage pump (104) and a water inlet pipe fitting (105), wherein the slag collecting tank (101) is welded at the top end of the bearing frame (2), the waste water collecting tank (103) is welded on the bearing frame (2) at one end of the slag collecting tank (101), and the lifting conveyor (102) is arranged inside the slag collecting tank (101) and the waste water collecting tank (103) and is used for realizing solid-liquid separation treatment on domestic sewage and filtering vegetable leaf slag in the waste water.
3. The domestic sewage purification treatment device according to claim 2, wherein the water inlet pipe (105) is arranged between the wastewater collection tank (103) and the first sterilization and disinfection treatment tank (3), and the first sewage pump (104) is installed at the top of the water inlet pipe (105) and is used for automatically guiding the water body subjected to solid-liquid separation into the next-stage treatment mechanism.
4. The domestic sewage purification treatment device according to claim 1, wherein a fixed lock catch (7) is uniformly arranged between the first sterilization treatment tank (3) and the second sterilization treatment tank (4) and the top cover (13), and a rubber sealing ring is arranged on the inner side wall of the top cover (13).
5. The domestic sewage purification treatment device according to claim 1, wherein the rotary driving member (6) is a servo motor, and a mixing shaft (14) is mounted at the output end of the rotary driving member (6).
6. The domestic sewage purification treatment device according to claim 1, wherein a stainless steel filter screen, a filter cloth layer and an active carbon filter layer are sequentially arranged in the multistage filter tower (8), and flanges are arranged at the input end and the output end of the multistage filter tower (8).
7. A domestic sewage purification treatment device according to claim 1, wherein the bottom of the catheter member (11) is uniformly threaded with a sludge collection cartridge (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321469169.2U CN220245705U (en) | 2023-06-09 | 2023-06-09 | Domestic sewage purifying treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321469169.2U CN220245705U (en) | 2023-06-09 | 2023-06-09 | Domestic sewage purifying treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220245705U true CN220245705U (en) | 2023-12-26 |
Family
ID=89232080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321469169.2U Active CN220245705U (en) | 2023-06-09 | 2023-06-09 | Domestic sewage purifying treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220245705U (en) |
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2023
- 2023-06-09 CN CN202321469169.2U patent/CN220245705U/en active Active
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