CN114031137A - Energy-saving and environment-friendly wastewater circulating type recovery treatment equipment - Google Patents
Energy-saving and environment-friendly wastewater circulating type recovery treatment equipment Download PDFInfo
- Publication number
- CN114031137A CN114031137A CN202111512573.9A CN202111512573A CN114031137A CN 114031137 A CN114031137 A CN 114031137A CN 202111512573 A CN202111512573 A CN 202111512573A CN 114031137 A CN114031137 A CN 114031137A
- Authority
- CN
- China
- Prior art keywords
- box body
- mixing
- sliding
- environment
- saving
- 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.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides energy-saving and environment-friendly wastewater circulating type recycling treatment equipment, relates to the technical field of wastewater treatment, and solves the problems that most cover plates of the existing device are of sliding type installation structures, sliding protrusions on the cover plates are easy to collide in the cover plate placing process, the sliding protrusions on the cover plates cannot be protected through structural improvement, and meanwhile, the limiting of fixing bolts of water inlet pipes is achieved. The energy-saving and environment-friendly wastewater circulating type recovery treatment equipment comprises a mixing part and an auxiliary part; the box body is placed on the ground, and a cover plate is arranged on the box body. Because of being the rectangular array form on the mixing plate and having seted up the through-hole, and the through-hole that the rectangular array form was seted up has constituteed the stirring formula mixed structure of box liquid jointly to it is the efflux form to reciprocate in-process through-hole department when the mixing plate, and then has realized the further mixing of sewage and purification medicament in the box.
Description
Technical Field
The invention belongs to the technical field of wastewater treatment, and particularly relates to energy-saving and environment-friendly wastewater circulating type recovery treatment equipment.
Background
There are various methods for wastewater treatment, wherein the dissolution treatment is one of them, and the dissolution treatment is to add treatment chemicals into wastewater to achieve dissolution treatment of wastewater.
The existing wastewater treatment equipment has the following defects at present:
one is that the cover plate of the existing device is mostly of a sliding type mounting structure, the sliding protrusion on the cover plate is easy to collide in the process of placing the cover plate, and the protection of the sliding protrusion on the cover plate and the limit of the fixing bolt of the water inlet pipe cannot be realized through structural improvement; furthermore, although the existing device can realize mixing through the blades, the existing device cannot realize auxiliary mixing through driving other structures in the process of blade mixing through structural improvement.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an energy-saving and environment-friendly wastewater recycling treatment device is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides energy-saving and environment-friendly wastewater circulating type recycling equipment, which aims to solve the problems that the cover plate of the existing device is mostly of a sliding type mounting structure, the sliding protrusion on the cover plate is easy to collide in the process of placing the cover plate, the protection of the sliding protrusion on the cover plate cannot be realized through structural improvement, and the limit of a fixing bolt of a water inlet pipe cannot be realized at the same time; furthermore, although the existing device can realize mixing through the blades, the problem of auxiliary mixing cannot be realized through driving other structures in the process of blade mixing through structural improvement.
The invention is based on the purposes and effects of energy-saving and environment-friendly wastewater circulating type recovery treatment equipment, and is achieved by the following specific technical means:
the energy-saving and environment-friendly wastewater circulating type recovery treatment equipment comprises a box body, a mixing part and an auxiliary part; the box body is placed on the ground, and a cover plate is arranged on the box body; the cover plate is of a concave structure, and the cover plate forms a protective structure with two sliding bulges; the mixing part consists of a rotating shaft, a driving motor and an impeller, and the rotating shaft is rotationally connected to the box body; the auxiliary part comprises pedestal, slide bar, mixing plate, elastic component, through-hole, adhesion subsides and gauze, and the pedestal passes through bolt fixed connection in the box.
Furthermore, two sliding grooves are symmetrically formed in the box body; two sliding bulges are symmetrically welded on the cover plate and matched with the sliding grooves, and the sliding bulges are connected with the sliding grooves in a sliding manner; the box body is connected with a drain pipe and a water inlet pipe; the water inlet pipe is connected with a fixing nut for fixing the water inlet pipe in a threaded manner, and the fixing nut is in contact with the bottom end face of the cover plate.
Furthermore, driving motor passes through bolt fixed connection on the box, and driving motor's axis of rotation is connected with the pivot to install four impellers in the pivot.
Furthermore, four sliding rods are arranged, the four sliding rods are all connected to the seat body in a sliding mode, and the tail ends of the four sliding rods are all connected with the mixing plate in a welding mode; each sliding rod is sleeved with an elastic piece, and the four elastic pieces jointly form an elastic reset structure of the mixing plate; the mixing plate is provided with through holes in a rectangular array shape, and the through holes in the rectangular array shape jointly form a stirring type mixing structure of the liquid in the box body.
Further, the bottom end face of the mixing plate is in elastic contact with the impeller, and the mixing plate reciprocates when the impeller rotates.
Further, the connecting arm is fixedly connected to the mixing plate through a bolt, a cleaning block is adhered to the connecting arm, and the cleaning block is in contact with a filter screen at the drain pipe; the adhesion paste is adhered to the top end face of the mixing plate, a gauze is adhered to the adhesion paste, and the gauze forms a sewage filtering and impurity cleaning structure.
Compared with the prior art, the invention has the following beneficial effects:
through the arrangement of the cover plate, firstly, the cover plate is of a concave structure, and the cover plate forms a protective structure with two sliding bulges, so that the sliding bulges can be prevented from colliding when the cover plate is placed; secondly, the box body is connected with a drain pipe and a water inlet pipe; threaded connection has the fixation nut who is used for the inlet tube to fix on the inlet tube, and fixation nut and apron bottom face contact to can realize fixation nut's locking spacing through the apron.
Through the arrangement of the mixing part and the auxiliary part, firstly, the driving motor is fixedly connected to the box body through the bolt, the rotating shaft of the driving motor is connected with the rotating shaft, and the rotating shaft is provided with the four impellers, so that the effective mixing of the sewage and the purifying agent in the box body can be realized under the rotating action of the impellers when the driving motor rotates; secondly, the bottom end surface of the mixing plate is in elastic contact with the impeller, and the mixing plate reciprocates when the impeller rotates, so that indirect drive of the mixing plate is realized; thirdly, because of being the rectangular array form on the mixing plate and having seted up the through-hole, and the through-hole that the rectangular array form was seted up has constituteed the stirring formula mixed structure of box liquid jointly to it is efflux form to reciprocate in-process through-hole department when the mixing plate, and then has realized the further mixing of sewage and purification medicament in the box.
Through the setting of gauze, because of the adhesion pastes the top face that adheres at the mixed board, and the adhesion is pasted and is adhered with the gauze to the gauze has constituteed the filtration of sewage and the clearance structure of debris, thereby can realize the block of bold debris through the gauze on the one hand, and on the other hand can directly take off the gauze from the adhesion when clearing up these bold debris, can take out bold debris through the gauze this moment.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is an enlarged schematic view of fig. 1 at a.
Fig. 3 is a schematic view of the present invention in an axially disassembled configuration.
Fig. 4 is an enlarged view of the structure of fig. 3B according to the present invention.
Fig. 5 is a schematic view of the present invention in a broken-away axial view.
Fig. 6 is a schematic front view of fig. 5 according to the present invention.
Fig. 7 is a schematic view of the structure C of fig. 6 according to the present invention.
Fig. 8 is an enlarged axial view of the auxiliary portion of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a box body; 101. a sliding groove; 102. a drain pipe; 103. a water inlet pipe; 104. fixing a nut; 2. a cover plate; 201. a sliding projection; 3. a mixing section; 301. a rotating shaft; 302. a drive motor; 303. an impeller; 4. an auxiliary part; 401. a base body; 402. a slide bar; 403. a mixing plate; 404. an elastic member; 405. a through hole; 406. sticking; 407. a screen; 408. a connecting arm; 409. and (6) cleaning the blocks.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides energy-saving and environment-friendly wastewater circulating type recovery treatment equipment, which comprises a box body 1, a mixing part 3 and an auxiliary part 4; the box body 1 is placed on the ground, and a cover plate 2 is arranged on the box body 1; two sliding grooves 101 are symmetrically formed in the box body 1; two sliding protrusions 201 are symmetrically welded on the cover plate 2, the sliding protrusions 201 are matched with the sliding groove 101, and the sliding protrusions 201 are in sliding connection with the sliding groove 101, so that the cover plate 2 can be opened and closed quickly; the cover plate 2 is of a concave structure, and the cover plate 2 forms a protective structure of the two sliding protrusions 201, so that the sliding protrusions 201 can be prevented from colliding when the cover plate 2 is placed; the box body 1 is connected with a drain pipe 102, and the box body 1 is also connected with a water inlet pipe 103; a fixing nut 104 for fixing the water inlet pipe 103 is connected to the water inlet pipe 103 in a threaded manner, and the fixing nut 104 is in contact with the bottom end surface of the cover plate 2, so that the anti-loosening limit of the fixing nut 104 can be realized through the cover plate 2; the mixing part 3 consists of a rotating shaft 301, a driving motor 302 and an impeller 303, and the rotating shaft 301 is rotatably connected to the box body 1; the auxiliary part 4 consists of a seat body 401, a sliding rod 402, a mixing plate 403, an elastic piece 404, a through hole 405, an adhesive sticker 406 and a gauze 407, and the seat body 401 is fixedly connected in the box body 1 through bolts; four sliding rods 402 are arranged, the four sliding rods 402 are all connected to the base 401 in a sliding manner, and the tail ends of the four sliding rods 402 are all connected with the mixing plate 403 in a welding manner; each sliding rod 402 is sleeved with an elastic piece 404, and the four elastic pieces 404 jointly form an elastic reset structure of the mixing plate 403, so that the elastic reset of the mixing plate 403 can be realized through the elastic pieces 404 after the mixing plate 403 loses the poking power; the mixing plate 403 is provided with through holes 405 in a rectangular array shape, and the through holes 405 in the rectangular array shape jointly form a stirring type mixing structure of the liquid in the box body 1, so that the through holes 405 are in a jet flow shape in the up-and-down moving process of the mixing plate 403, and further mixing of the sewage and the purifying agent in the box body 1 is realized; the bottom end surface of the mixing plate 403 is in elastic contact with the impeller 303, and the mixing plate 403 reciprocates when the impeller 303 rotates, thereby realizing indirect drive of the mixing plate 403; the connecting arm 408 is fixedly connected to the mixing plate 403 through a bolt, a cleaning block 409 is adhered to the connecting arm 408, and the cleaning block 409 is in contact with a filter screen at the drain pipe 102, so that the filter screen of the drain pipe 102 can be cleaned through the cleaning block 409 when the mixing plate 403 reciprocates up and down; the adhesive sticker 406 is adhered to the top end face of the mixing plate 403, a gauze 407 is adhered to the adhesive sticker 406, and the gauze 407 forms a sewage filtering and sundry cleaning structure, so that blocking of large sundries can be achieved through the gauze 407 on one hand, and the gauze 407 can be directly taken off from the adhesive sticker 406 when the large sundries are cleaned on the other hand, and the large sundries can be taken out through the gauze 407.
Referring to fig. 6, the driving motor 302 is fixedly connected to the tank 1 by bolts, and the rotating shaft of the driving motor 302 is connected to the rotating shaft 301, and four impellers 303 are installed on the rotating shaft 301, so that effective mixing of the sewage in the tank 1 and the purifying chemicals can be achieved under the rotation of the impellers 303 when the driving motor 302 rotates.
In another embodiment, the sliding rod 402 and the elastic member 404 may be implemented by an elastic telescopic rod.
The specific use mode and function of the embodiment are as follows:
when the driving motor 302 rotates, the mixing of the sewage and the purifying chemicals in the tank 1 can be realized by the impeller 303, and at the same time, firstly, the indirect driving of the mixing plate 403 is realized because the bottom end surface of the mixing plate 403 is elastically contacted with the impeller 303 and the mixing plate 403 moves in a reciprocating manner when the impeller 303 rotates; secondly, the mixing plate 403 is provided with the through holes 405 in a rectangular array shape, and the through holes 405 in the rectangular array shape jointly form a stirring type mixing structure of the liquid in the box body 1, so that the through holes 405 are in a jet flow shape in the up-and-down moving process of the mixing plate 403, and further mixing of the sewage and the purifying agent in the box body 1 is realized;
when the cover plate 2 is opened and closed, the box body 1 is connected with a drain pipe 102, and the box body 1 is also connected with a water inlet pipe 103; a fixing nut 104 for fixing the water inlet pipe 103 is connected to the water inlet pipe 103 in a threaded manner, and the fixing nut 104 is in contact with the bottom end surface of the cover plate 2, so that the anti-loosening limit of the fixing nut 104 can be realized through the cover plate 2;
when apron 2 was placed, because of apron 2 is the concave structure, and apron 2 has constituteed the protective structure of two protruding 201 that slide to can prevent that the protruding 201 that slides from colliding with when placing apron 2.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (9)
1. Energy-concerving and environment-protective waste water circulating recovery treatment equipment, its characterized in that: comprises a box body (1), a mixing part (3) and an auxiliary part (4); the box body (1) is placed on the ground, and a cover plate (2) is arranged on the box body (1); the cover plate (2) is of a concave structure, and the cover plate (2) forms a protective structure of two sliding protrusions (201); the mixing part (3) consists of a rotating shaft (301), a driving motor (302) and an impeller (303), and the rotating shaft (301) is rotationally connected to the box body (1); the auxiliary part (4) consists of a base body (401), a sliding rod (402), a mixing plate (403), an elastic piece (404), a through hole (405), an adhesive sticker (406) and a gauze (407), and the base body (401) is fixedly connected in the box body (1) through bolts.
2. The energy-saving and environment-friendly wastewater circulating type recycling treatment equipment as claimed in claim 1, wherein: two sliding grooves (101) are symmetrically formed in the box body (1); two sliding protrusions (201) are symmetrically welded on the cover plate (2), the sliding protrusions (201) are matched with the sliding groove (101), and the sliding protrusions (201) are connected with the sliding groove (101) in a sliding mode.
3. The energy-saving and environment-friendly wastewater circulating type recycling treatment equipment as claimed in claim 1, wherein: the box body (1) is connected with a drain pipe (102), and the box body (1) is also connected with a water inlet pipe (103); the water inlet pipe (103) is connected with a fixing nut (104) for fixing the water inlet pipe (103) in a threaded manner, and the fixing nut (104) is in contact with the bottom end face of the cover plate (2).
4. The energy-saving and environment-friendly wastewater circulating type recycling treatment equipment as claimed in claim 1, wherein: the driving motor (302) is fixedly connected to the box body (1) through bolts, a rotating shaft of the driving motor (302) is connected with the rotating shaft (301), and four impellers (303) are mounted on the rotating shaft (301).
5. The energy-saving and environment-friendly wastewater circulating type recycling treatment equipment as claimed in claim 1, wherein: the number of the sliding rods (402) is four, the four sliding rods (402) are all connected to the base body (401) in a sliding mode, and the tail ends of the four sliding rods (402) are all connected with the mixing plate (403) in a welding mode; each sliding rod (402) is sleeved with an elastic piece (404), and the four elastic pieces (404) jointly form an elastic reset structure of the mixing plate (403).
6. The energy-saving and environment-friendly wastewater circulating type recycling treatment equipment as claimed in claim 1, wherein: through holes (405) are formed in the mixing plate (403) in a rectangular array shape, and the through holes (405) formed in the rectangular array shape jointly form a stirring type mixing structure of liquid in the box body (1).
7. The energy-saving and environment-friendly wastewater circulating type recycling treatment equipment as claimed in claim 1, wherein: the bottom end face of the mixing plate (403) is elastically contacted with the impeller (303), and the mixing plate (403) is in a reciprocating motion when the impeller (303) rotates.
8. The energy-saving and environment-friendly wastewater circulating type recycling treatment equipment as claimed in claim 1, wherein: the connecting arm (408) is fixedly connected to the mixing plate (403) through a bolt, a cleaning block (409) is adhered to the connecting arm (408), and the cleaning block (409) is in contact with a filter screen at the drain pipe (102).
9. The energy-saving and environment-friendly wastewater circulating type recycling treatment equipment as claimed in claim 1, wherein: the adhesive sticker (406) is adhered to the top end face of the mixing plate (403), a gauze (407) is adhered to the adhesive sticker (406), and the gauze (407) forms a filtering structure of sewage and a cleaning structure of sundries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111512573.9A CN114031137A (en) | 2021-12-11 | 2021-12-11 | Energy-saving and environment-friendly wastewater circulating type recovery treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111512573.9A CN114031137A (en) | 2021-12-11 | 2021-12-11 | Energy-saving and environment-friendly wastewater circulating type recovery treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114031137A true CN114031137A (en) | 2022-02-11 |
Family
ID=80140338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111512573.9A Pending CN114031137A (en) | 2021-12-11 | 2021-12-11 | Energy-saving and environment-friendly wastewater circulating type recovery treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114031137A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713105A (en) * | 2022-05-06 | 2022-07-08 | 浙江寰龙环境建设有限公司 | Multiple sewage hybrid processing system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6245226B1 (en) * | 1999-07-01 | 2001-06-12 | Industrial Technology Research Institute | Pretreatment system and method for recycling exhaust water |
| CN111617569A (en) * | 2020-06-04 | 2020-09-04 | 王晓洁 | Decomposition type treatment type sewage purification treatment device |
| CN111747566A (en) * | 2020-07-06 | 2020-10-09 | 段云龙 | Sewage linkage mixing and multi-stage blocking type purifying device for environmental protection treatment |
| CN112273204A (en) * | 2020-11-06 | 2021-01-29 | 肖占伟 | Irrigation device for crop cultivation |
| CN112897610A (en) * | 2021-01-27 | 2021-06-04 | 金诗怡 | Sewage treatment device with water flow impact type linkage structure |
| CN113251771A (en) * | 2021-06-10 | 2021-08-13 | 长沙杉达机械科技有限公司 | Energy-saving traditional chinese medicine drying equipment |
| CN113443665A (en) * | 2021-06-28 | 2021-09-28 | 宿州宝擎网络科技有限公司 | A effluent treatment plant for bio-pharmaceuticals |
-
2021
- 2021-12-11 CN CN202111512573.9A patent/CN114031137A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6245226B1 (en) * | 1999-07-01 | 2001-06-12 | Industrial Technology Research Institute | Pretreatment system and method for recycling exhaust water |
| CN111617569A (en) * | 2020-06-04 | 2020-09-04 | 王晓洁 | Decomposition type treatment type sewage purification treatment device |
| CN111747566A (en) * | 2020-07-06 | 2020-10-09 | 段云龙 | Sewage linkage mixing and multi-stage blocking type purifying device for environmental protection treatment |
| CN112273204A (en) * | 2020-11-06 | 2021-01-29 | 肖占伟 | Irrigation device for crop cultivation |
| CN112897610A (en) * | 2021-01-27 | 2021-06-04 | 金诗怡 | Sewage treatment device with water flow impact type linkage structure |
| CN113251771A (en) * | 2021-06-10 | 2021-08-13 | 长沙杉达机械科技有限公司 | Energy-saving traditional chinese medicine drying equipment |
| CN113443665A (en) * | 2021-06-28 | 2021-09-28 | 宿州宝擎网络科技有限公司 | A effluent treatment plant for bio-pharmaceuticals |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713105A (en) * | 2022-05-06 | 2022-07-08 | 浙江寰龙环境建设有限公司 | Multiple sewage hybrid processing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114031137A (en) | Energy-saving and environment-friendly wastewater circulating type recovery treatment equipment | |
| CN214214249U (en) | Concrete mixing dust collector | |
| CN207429847U (en) | A kind of cutting fluid circulation | |
| CN217092295U (en) | Sewage filtering device for building construction | |
| CN211885624U (en) | Pipeline filtering device for tank body of sprinkler | |
| CN111747566B (en) | Sewage linkage mixing and multi-stage blocking type purifying device for environmental protection treatment | |
| CN220116311U (en) | Water pollution treatment circulation purifier | |
| CN219261269U (en) | Sewage discharging device | |
| CN219167843U (en) | Sewage treatment device convenient to clearance filter screen plate | |
| CN111977847A (en) | Environment-friendly purification treatment device for environmental sewage | |
| CN215463687U (en) | Environment-friendly mixer for industrial waste water treatment | |
| CN112010452A (en) | Multistage purification and filtration device for phosphating water | |
| CN210799387U (en) | Mixed flow pump convenient to it is clean | |
| CN211226674U (en) | Sewage treatment ware that sewage treatment used | |
| CN111517501A (en) | Sewage treatment device convenient to overhaul | |
| CN112158999A (en) | Efficient and environment-friendly sewage treatment device | |
| CN215592790U (en) | Automatic sewage treatment equipment for car washing | |
| CN215195788U (en) | Novel bypass flow processor | |
| CN221045972U (en) | Medicament mixing arrangement for sewage treatment | |
| CN215195741U (en) | Rotary micro-filter | |
| CN217949296U (en) | River course device of decontaminating for municipal works | |
| CN219324550U (en) | Spiral sand washing device | |
| CN220317432U (en) | Industrial sewage treatment ware with filtration | |
| CN216808370U (en) | Domestic sewage recovery device | |
| CN217645950U (en) | Building drainage structures with filter clearance fast |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220211 |
|
| RJ01 | Rejection of invention patent application after publication |