CN215822449U - Water supply and drainage sewage treatment plant convenient to equipment - Google Patents
Water supply and drainage sewage treatment plant convenient to equipment Download PDFInfo
- Publication number
- CN215822449U CN215822449U CN202122310231.0U CN202122310231U CN215822449U CN 215822449 U CN215822449 U CN 215822449U CN 202122310231 U CN202122310231 U CN 202122310231U CN 215822449 U CN215822449 U CN 215822449U
- Authority
- CN
- China
- Prior art keywords
- water storage
- water
- water inlet
- bin
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 149
- 239000010865 sewage Substances 0.000 title claims abstract description 28
- 238000010030 laminating Methods 0.000 claims description 3
- 238000009428 plumbing Methods 0.000 claims 6
- 238000004065 wastewater treatment Methods 0.000 claims 5
- 238000000926 separation method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Landscapes
- Sewage (AREA)
Abstract
The utility model discloses a conveniently assembled water supply and drainage sewage treatment device, which comprises a water inlet bin and a water storage bin, wherein the upper part and the lower part of the water inlet bin are open, a filter screen is horizontally and hermetically arranged in the water inlet bin, and a horizontally arranged flange is coaxially and fixedly arranged at the lower part of the periphery of the water inlet bin; the top in water storage storehouse is opened, it is in to advance the storehouse through quick detach subassembly detachable stack the top in water storage storehouse. Has the advantages that: according to the utility model, the water inlet bin is detachably superposed on the top of the water storage bin in a mode of vertical sliding fit of the matching block and the matching groove and horizontal sliding fit of the limiting rod and the limiting hole, and the water inlet bin and the water storage bin can be separated only by pulling the limiting rod out of the limiting hole.
Description
Technical Field
The utility model relates to the field of auxiliary assemblies of urban water supply and drainage systems, in particular to a water supply and drainage sewage treatment device convenient to assemble.
Background
Current society focus is more and more focusing on the environmental protection problem, to present, along with the quick development of industry and lead to environmental pollution's problem, it also can lead to the pollution problem of environment also to be exactly that produced domestic waste among the mass daily life, water supply and drainage system in urban system very much, a perfect urban system is comparatively strict to water supply and drainage system's requirement, and in urban water supply and drainage system's sewage treatment, because sewage in the urban system is mingled with insoluble gravel and debris, so at the in-process of sewage treatment plant long-term operation, debris and insoluble gravel in the sewage can lead to solid-liquid separation's filter screen to block up, if can carry out convenient timely clearance not, can directly influence sewage treatment efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a conveniently assembled water supply and drainage sewage treatment device, a water inlet bin is detachably superposed on the top of a water storage bin in a mode of vertical sliding fit of a matching block and a matching groove and horizontal sliding fit of a limiting rod and a limiting hole, the water inlet bin and the water storage bin can be separated only by pulling the limiting rod out of the limiting hole, the separating and assembling mode is simple and easy to realize, and the filter screen can be conveniently reversely washed and cleaned from the bottom independently and comprehensively after the water inlet bin is separated, and the details are explained below.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a conveniently assembled water supply and drainage sewage treatment device, which comprises a water inlet bin and a water storage bin, wherein the upper part and the lower part of the water inlet bin are open, a filter screen is horizontally and hermetically arranged in the water inlet bin, and a horizontally arranged flange is coaxially fixed at the lower part of the periphery of the water inlet bin;
the top in water storage storehouse is opened, the storehouse of intaking is in through quick detach subassembly detachable stack the top in water storage storehouse, just the bottom in the storehouse of intaking is absorbed in the water storage storehouse top, quick detach subassembly fixed mounting be in the flange bottom surface with the water storage storehouse top outside.
Preferably, a sewage discharge pipe is horizontally and fixedly communicated with the position, above the top surface of the filter screen, outside the water inlet bin.
Preferably, the bottom of the water storage bin is horizontally and fixedly communicated with a drain pipe.
Preferably, the outer sides of the sewage draining pipe and the sewage draining pipe are respectively provided with a valve for controlling the opening and the closing.
Preferably, the bottom of the water inlet bin is coaxially and fixedly communicated with a water collecting pipe with a funnel-shaped structure, and the water collecting pipe extends into the top of the water storage bin.
Preferably, the quick release assembly comprises a fixing sleeve and a matching block, the fixing sleeve and the matching block are vertically matched in quantity, the fixing sleeve is vertically fixed on the periphery of the top of the water storage bin, the fixing sleeve is vertically provided with matching grooves, the matching block is vertically fixed on the bottom surface of the flange, the matching block and the matching grooves are in one-to-one correspondence and are in vertical sliding fit, the matching block is provided with limiting holes along the radial direction of the water storage bin, the outer end surface of the fixing sleeve is provided with mounting holes along the radial direction of the water storage bin, the mounting holes are vertically communicated with the corresponding matching grooves, the mounting holes are in coaxial sliding fit with limiting rods, the end parts, close to each other, of the limiting rods are respectively in coaxial sliding fit with the corresponding limiting holes, and the end parts, far away from each other, of the limiting rods are fixed with handles, the limiting rod is located the handle with the equal clearance fit in part between the fixed cover outside has the spring, just the spring both ends respectively with correspond the handle with fixed cover outside fixed connection.
Preferably, the matching block is a rectangular block, the matching groove is a rectangular groove, and the bottom surfaces of the flanges are in contact with the top surface of the fixing sleeve in an attaching mode.
By adopting the conveniently-assembled water supply and drainage sewage treatment device, initially, the water inlet bin is stacked on the top of the water storage bin, the bottom of the water inlet bin extends into the top of the water storage bin, the matching block on the bottom surface of the flange is vertically matched with the matching groove on the periphery of the top of the water storage bin in a sliding manner, the limiting rod of the fixing sleeve is horizontally matched with the limiting hole of the matching block in a sliding manner, the matching block can be locked and cannot be vertically separated from the matching groove through the matching of the limiting rod and the limiting hole, so that the water inlet bin is detachably superposed on the top of the water storage bin, when in use, sewage of an urban water supply and drainage system is input through the top of the water inlet bin, the sewage is subjected to solid-liquid separation by the filter screen when falling through the filter screen, filtered clean water continuously falls and is collected by the water collecting pipe and then is discharged into the water storage bin downwards, the filtered solid dirt is retained on the top surface of the filter screen, when the filter screen needs to be cleaned after long-term operation, water inlet is stopped, then a plurality of persons hold all the peripheral handles simultaneously to pull and make the limiting rod separate from the corresponding limiting hole in a stretched mode through the spring, the limiting rod is kept to be pulled outwards to lift the water inlet bin and take down the water inlet bin in a vertical mode of separating from the matching groove through the matching block, so that the water inlet bin and the water storage bin are quickly separated, the water inlet bin is separated and inverted, then the water collecting pipe is flushed by water to independently and comprehensively clean the filter screen in a reverse flushing mode, the dirt accumulated on the filter screen flows out from the bottom of the inverted water inlet bin, the filter screen is cleaned conveniently and timely, and the efficient sewage treatment is guaranteed, when the water inlet bin and the water storage bin need to be assembled again, the matching blocks and the matching grooves on the bottom surface of the flange are in one-to-one correspondence and are downwards placed from top to bottom to slide into the matching grooves of the fixed sleeve, all the limiting rods are pulled to be received into the corresponding mounting holes simultaneously again, interference on the matching blocks to smoothly slide into the matching grooves is avoided, when the matching blocks slide downwards until the bottom surface of the flange is attached to and contacted with the top surface of the fixed sleeve again, the limiting holes of the matching blocks are coaxially matched with the limiting rods again, the handle is loosened, the spring immediately releases the self stretching state to drive the limiting rods to be inserted into the corresponding limiting holes, so that the state that the water inlet bin is stacked on the top of the water storage bin is locked, and the split assembly mode of the water inlet bin and the water storage bin is simple and easy to realize, be convenient for with the storehouse of intaking is separated the independent full aspect of back and is carried out reverse washing clearance to the filter screen from the bottom, has realized right the convenient timely clearance of filter screen has ensured that sewage treatment goes on with high efficiency.
Has the advantages that: according to the utility model, the water inlet bin is detachably superposed on the top of the water storage bin in a mode of vertical sliding fit of the matching block and the matching groove and horizontal sliding fit of the limiting rod and the limiting hole, and the water inlet bin and the water storage bin can be separated only by pulling the limiting rod out of the limiting hole.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front external view of the present invention;
FIG. 2 is a front cross-sectional view of the utility model of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;
FIG. 4 is a top exterior view of FIG. 1 of the present invention;
fig. 5 is a top cross-sectional view of fig. 1 of the present invention.
The reference numerals are explained below:
1. a water inlet bin; 101. a flange; 102. a blow-off pipe; 103. filtering with a screen; 104. a water collection pipe; 2. a quick release assembly; 201. fixing a sleeve; 202. a matching block; 203. a mating groove; 204. mounting holes; 205. a limiting hole; 206. a handle; 207. a limiting rod; 208. a spring; 3. a water storage bin; 301. a drain pipe; 4. and (4) a valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a conveniently assembled water supply and drainage sewage treatment device, which comprises a water inlet bin 1 and a water storage bin 3, wherein the water inlet bin 1 is open at the upper and lower sides, a filter screen 103 is horizontally installed in the water inlet bin 1 in a closed manner, preferably, the filter screen 103 is made of stainless steel, a horizontally arranged flange 101 is coaxially fixed at the lower part of the periphery of the water inlet bin 1, and preferably, the flange 101 is a ring plate. The top in water storage storehouse 3 is opened, and the storehouse 1 of intaking is through the top of quick detach subassembly 2 detachable stack at water storage storehouse 3, and the bottom in the storehouse 1 of intaking is absorbed in the 3 tops in water storage storehouse, and quick detach subassembly 2 fixed mounting is in the flange 101 bottom surface and the 3 top outsides in water storage storehouse.
As the preferred scheme of present case, the fixed intercommunication of the position level of the storehouse of intaking 1 outside in filter screen 103 top surface top has blow off pipe 102, so set up, be convenient for carry out simple washing to the filter screen 103 top through the mode of opening blow off pipe 102 and continuing to lead to water, with this most the external world of discharging of filth that can make filter screen 103 top accumulate, the fixed intercommunication of bottom level of reservoir 3 has drain pipe 301, so set up, be convenient for make the clear water of reservoir 3 collection discharge fast through drain pipe 301, valve 4 for controlling the switching is all installed in the outside of blow off pipe 102 and drain pipe 301, so set up, be convenient for control corresponding blow off pipe 102 or drain pipe 301 through valve 4 and open or close fast.
The bottom of the water inlet bin 1 is coaxially and fixedly communicated with a water collecting pipe 104 with a funnel-shaped structure, the water collecting pipe 104 extends into the top of the water storage bin 3, and the water collecting pipe 104 is arranged so as to facilitate the arrangement of the water collecting pipe 104 to collect filtered clean water and then discharge the collected clean water to the water storage bin 3.
The quick release component 2 comprises a fixed sleeve 201 and a matching block 202, the fixed sleeve 201 and the matching block 202 are respectively in multiple numbers and are respectively vertically compared, the fixed sleeve 201 is respectively vertically fixed on the top periphery of the water storage bin 3, the fixed sleeve 201 is vertically provided with a matching groove 203, the matching block 202 is vertically fixed on the bottom surface of the flange 101, the matching block 202 and the matching groove 203 are in one-to-one correspondence and are in vertical sliding fit, the matching block 202 is respectively provided with a limiting hole 205 along the radial direction of the water storage bin 3, the outer end surface of the fixed sleeve 201 is respectively provided with a mounting hole 204 along the radial direction of the water storage bin 3, the mounting hole 204 is vertically communicated with the corresponding matching groove 203, the mounting hole 204 is coaxially in sliding fit with a limiting rod 207, the end parts, close to each other, of the limiting rods 207 are respectively in coaxial sliding fit with the corresponding limiting holes 205, the end parts, far away from each other, of the limiting rods 207 are respectively fixed with a handle 206, the parts, of the limiting rods 207, which are positioned between the outer sides of the handle 206 and the fixed sleeve 201 are respectively in clearance fit with a spring 208, and spring 208 both ends respectively with the fixed connection in the fixed cover 201 outside of corresponding handle 206, so set up, be convenient for come the unable vertical cooperation groove 203 that breaks away from of locking cooperation piece 202 through gag lever post 207 and spacing hole 205 complex mode, be convenient for simultaneously remove the unable vertical locking that breaks away from cooperation groove 203 of cooperation piece 202 through the mode that gag lever post 207 breaks away from spacing hole 205.
The cooperation piece 202 is the rectangular block, and cooperation groove 203 is the rectangular channel to cooperation piece 202 has good direction design of rectifying when cooperating the vertical sliding fit of groove 203, and the bottom surface of flange 101 all with the top surface laminating contact of fixed cover 201, so set up, when the gag lever post 207 with the coaxial contrast of the spacing hole 205 that corresponds, all carry out obvious suggestion with the mode of fixed cover 201 top surface laminating contact through the flange 101 bottom surface.
By adopting the structure, initially, the water inlet bin 1 is stacked on the top of the water storage bin 3, the bottom of the water inlet bin 1 extends into the top of the water storage bin 3, meanwhile, the matching block 202 on the bottom surface of the flange 101 is vertically matched with the matching groove 203 of the fixing sleeve 201 on the periphery of the top of the water storage bin 3 in a sliding manner, and the limiting rod 207 of the fixing sleeve 201 is horizontally matched with the limiting hole 205 of the matching block 202 in a sliding manner, so that the matching block 202 can be locked and cannot vertically fall out of the matching groove 203 through the matching of the limiting rod 207 and the limiting hole 205, therefore, the water inlet bin 1 is detachably stacked on the top of the water storage bin 3, when in use, sewage of an urban water supply and drainage system is input through the top of the water inlet bin 1, the sewage is subjected to solid-liquid separation by the filter screen 103 when falling through the filter screen 103, filtered clean water continuously falls and is gathered by the water collecting pipe 104 and then is discharged downwards into the water storage bin 3, filtered solid dirt is kept on the top surface of the filter screen 103, and when the filter screen 103 needs to be cleaned after long-time running, stopping water inflow, simultaneously holding all the peripheral handles 206 by a plurality of persons, pulling the handles and pulling the handles by the springs 208 to enable the limiting rods 207 to be separated from the corresponding limiting holes 205, keeping the limiting rods 207 pulled outwards to lift the water inlet bin 1 and taking down the limiting rods in a mode that the matching blocks 202 are vertically separated from the matching grooves 203, completing the quick separation of the water inlet bin 1 and the water storage bin 3, separating and inverting the water inlet bin 1, flushing water from the water collecting pipe 104 to independently and comprehensively wash and clean the filter screen 103 reversely, enabling the dirt accumulated in the filter screen 103 to flow out from the bottom of the inverted water inlet bin 1, realizing the convenient and timely cleaning of the filter screen 103, ensuring the efficient sewage treatment, when the water inlet bin 1 and the water storage bin 3 need to be assembled again, putting down the matching blocks 202 and the matching grooves 203 on the bottom surface of the flange 101 one by one to one and from top to bottom to slide into the matching grooves 203 of the fixed sleeve 201, the corresponding mounting holes 204 are drawn in by pulling all the limiting rods 207 simultaneously again, interference to the matching block 202 to smoothly slide into the matching groove 203 is avoided, when the matching block 202 slides downwards to the bottom surface of the flange 101 to be attached to the top surface of the fixing sleeve 201 again, the limiting holes 205 of the matching block 202 are coaxially compared with the limiting rods 207 again, the handle 206 is loosened at the moment, the spring 208 releases the self stretching state immediately to drive the limiting rods 207 to be inserted into the corresponding limiting holes 205, so that the state that the water inlet bin 1 is stacked on the top of the water storage bin 3 is locked, the split assembly modes of the water inlet bin 1 and the water storage bin 3 are simple and easy to realize, the filter screen 103 can be reversely washed and cleaned from the bottom independently and in all aspects after the water inlet bin 1 is separated, the filter screen 103 can be cleaned conveniently and timely, and efficient sewage treatment can be guaranteed.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The utility model provides a plumbing sewage treatment plant convenient to equipment, includes into water storehouse (1) and water storage storehouse (3), its characterized in that: the upper part and the lower part of the water inlet bin (1) are open, a filter screen (103) is horizontally and hermetically arranged in the water inlet bin (1), and a flange (101) which is horizontally arranged is coaxially fixed at the lower part of the periphery of the water inlet bin (1);
the top in water storage storehouse (3) is opened, it is in to advance storehouse (1) through quick detach subassembly (2) detachable stack the top in water storage storehouse (3), just the bottom in storehouse (1) of advancing is absorbed in water storage storehouse (3) top, quick detach subassembly (2) fixed mounting be in flange (101) bottom surface with the water storage storehouse (3) top outside.
2. A conveniently assembled plumbing wastewater treatment plant according to claim 1, wherein: a sewage discharge pipe (102) is horizontally and fixedly communicated with the position above the top surface of the filter screen (103) on the outer side of the water inlet bin (1).
3. A conveniently assembled plumbing wastewater treatment plant according to claim 2, wherein: the bottom of the water storage bin (3) is horizontally and fixedly communicated with a drain pipe (301).
4. A conveniently assembled plumbing wastewater treatment plant according to claim 3, wherein: and valves (4) for controlling the opening and the closing are arranged on the outer sides of the sewage draining pipe (102) and the water draining pipe (301).
5. A conveniently assembled plumbing wastewater treatment plant according to claim 4, wherein: the bottom of the water inlet bin (1) is coaxially and fixedly communicated with a water collecting pipe (104) with a funnel-shaped structure, and the water collecting pipe (104) extends into the top of the water storage bin (3).
6. An easy-to-assemble sewage treatment plant according to any of claims 1 to 5, wherein: the quick release component (2) comprises a fixed sleeve (201) and a matching block (202), the fixed sleeve (201) and the matching block (202) are vertically matched in quantity, the fixed sleeve (201) is vertically fixed on the top periphery of the water storage bin (3), the fixed sleeve (201) is vertically provided with a matching groove (203), the matching block (202) is vertically fixed on the bottom surface of the flange (101), the matching block (202) is in one-to-one correspondence and vertical sliding fit with the matching groove (203), the matching block (202) is provided with a limiting hole (205) along the radial direction of the water storage bin (3), the outer end surface of the fixed sleeve (201) is provided with a mounting hole (204) along the radial direction of the water storage bin (3), the mounting hole (204) is vertically communicated with the matching groove (203) in correspondence, and the mounting hole (204) is coaxially and slidably matched with a limiting rod (207), and the tip that gag lever post (207) is close to each other respectively with corresponding spacing hole (205) coaxial sliding fit, the tip that gag lever post (207) kept away from each other all is fixed with handle (206), gag lever post (207) are located handle (206) with the equal clearance fit in part between the fixed cover (201) outside has spring (208), just spring (208) both ends respectively with correspond handle (206) with fixed cover (201) outside fixed connection.
7. A conveniently assembled plumbing wastewater treatment plant according to claim 6, wherein: the cooperation piece (202) is the rectangular block, cooperation groove (203) is the rectangular channel, just the bottom surface of flange (101) all with the top surface laminating contact of fixed cover (201).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122310231.0U CN215822449U (en) | 2021-09-24 | 2021-09-24 | Water supply and drainage sewage treatment plant convenient to equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122310231.0U CN215822449U (en) | 2021-09-24 | 2021-09-24 | Water supply and drainage sewage treatment plant convenient to equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215822449U true CN215822449U (en) | 2022-02-15 |
Family
ID=80200824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122310231.0U Expired - Fee Related CN215822449U (en) | 2021-09-24 | 2021-09-24 | Water supply and drainage sewage treatment plant convenient to equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215822449U (en) |
-
2021
- 2021-09-24 CN CN202122310231.0U patent/CN215822449U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207811426U (en) | A kind of household kitchen wastewater treatment equipment | |
CN215538947U (en) | Sewage filter with automatic slag removal function | |
CN215822449U (en) | Water supply and drainage sewage treatment plant convenient to equipment | |
CN209254232U (en) | Apparatus for treating sewage with movable filter plate | |
CN208578136U (en) | A kind of initial rainwater separator | |
CN205875263U (en) | Domestic sewage filtration system | |
CN209885350U (en) | Sewage purification treatment equipment beneficial to environmental protection | |
CN108395010B (en) | Energy-saving emission-reducing sewage treatment system | |
CN208893729U (en) | A kind of self-cleaning fore filter | |
CN105692948A (en) | Rainwater filtering and purifying device | |
CN201940076U (en) | Novel oil-water separator | |
CN214834159U (en) | Building structure design roof eaves mouth waterproof construction | |
CN213296581U (en) | Town road drainage structures | |
CN217188149U (en) | Water-saving device for secondary utilization of water resource | |
CN203808167U (en) | General water-saving device for families and enterprises | |
CN105544669A (en) | Detachable turning plate type gathered draining device with double-layer filter screen | |
CN205710151U (en) | A kind of dmp filter purifier | |
CN219280835U (en) | Water leakage net component | |
CN201056733Y (en) | Pollution-discharging residue-filtering oil expeller for kitchen | |
CN213174094U (en) | Ecological garden sponge city drainage device | |
CN216317484U (en) | Sewage treatment's of assembly line that washes dishes separates sediment device | |
CN212770287U (en) | Back flushing type slag separating and oil removing device | |
CN210947019U (en) | Deodorization pipeline | |
CN218292185U (en) | Drainage pipeline convenient to clearance | |
CN215049273U (en) | Domestic sewage treatment device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220215 |
|
CF01 | Termination of patent right due to non-payment of annual fee |