CN213652019U - A aeration tank for municipal sewage treatment - Google Patents
A aeration tank for municipal sewage treatment Download PDFInfo
- Publication number
- CN213652019U CN213652019U CN202021820591.4U CN202021820591U CN213652019U CN 213652019 U CN213652019 U CN 213652019U CN 202021820591 U CN202021820591 U CN 202021820591U CN 213652019 U CN213652019 U CN 213652019U
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- Prior art keywords
- aeration
- piece
- rotating
- main body
- sewage
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- 238000005273 aeration Methods 0.000 title claims abstract description 97
- 239000010865 sewage Substances 0.000 title claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010802 sludge Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 238000007790 scraping Methods 0.000 description 5
- 238000005276 aerator Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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Classifications
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- 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
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model provides an aeration tank for municipal sewage treatment, which relates to the technical field of sewage treatment and solves the problems that when the existing aeration tank for municipal sewage treatment is used, sewage cannot be rotated in an exposure tank, bubbles cannot be uniformly mixed with the sewage, and the exposure efficiency cannot be improved; the rotating part is arranged in the main body, and a forward and reverse rotating motor at the top of the rotating part is connected with the top of the main body through a connecting shaft; the moving piece is arranged in the main body, the outer part of the telescopic rod is connected with the inner part of the main body, and a rack in the rack frame is meshed with the bottom block; the aeration piece is installed at the left end and the right end of the top of the moving piece. The outside rotatory oar of rotating member can drive rotatoryly in the rotating member is rotatory, rotates sewage in the inside of main part, can carry out even mixture with sewage and bubble, makes sewage purification's faster, and the stirring of water can be accelerated to the supplementary oar on the rotatory oar.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, more specifically say, in particular to an aeration tank for municipal sewage treatment.
Background
Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage.
For example, application No.: CN201910070543.3 relates to an aeration tank for municipal sewage treatment, comprising a sewage tank, wherein positive and negative rotation motor boxes are arranged on two sides of the interior of the sewage tank, positive and negative rotation motors are arranged in the positive and negative rotation motor boxes and at the bottom of the sewage tank, output shafts of the positive and negative rotation motors are connected with a screw rod, a support rod is arranged at one end of the screw rod and on the inner wall of the sewage tank, a slide block matched with the screw rod is arranged on the screw rod, a slide groove matched with the slide block is arranged on one side of the slide block and in the sewage tank, an aeration plate is arranged on the other side of the slide block, a rotating device is arranged between the two groups of aeration plates, a plurality of aeration ports are arranged at the upper end of the aeration plate, an internal thread matched with the screw rod is arranged in the slide block, the upper end of the screw rod is connected with the support rod through, the movable shaft is provided with a fixed frame, the upper end and the lower end of the fixed frame are both provided with grooves, movable blocks are arranged in the grooves, and the movable blocks are alternately provided with limit columns.
Based on discovery among the prior art, current municipal sewage treatment's aeration tank is when using, can't be rotatory sewage in the aeration tank, can't be with bubble and sewage homogeneous mixing, can't improve the efficiency of exposure, and current municipal sewage treatment's aeration tank is when using, is difficult to clear up the silt of bottom, causes the exposure tank silt to pile up easily.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an aeration tank for municipal sewage treatment is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an aeration tank for municipal sewage treatment to solve current municipal sewage treatment's aeration tank when using, can't be rotatory sewage in the aeration tank, can't with bubble and sewage homogeneous mixing-, can't improve the efficiency of exposure, current municipal sewage treatment's aeration tank is when using, is difficult to clear up the silt of bottom, causes the accumulational problem of exposure tank silt easily.
The utility model is used for the purpose and the efficiency of the aeration tank for municipal sewage treatment, and is achieved by the following concrete technical means:
an aeration tank for municipal sewage treatment comprises a main body, a rotating part, a moving part and an aeration part; the top of the main body is provided with a water inlet and an aerator, and the bottom of the main body is provided with a sludge discharge port and a water outlet; the rotating piece is arranged in the main body, and a forward and reverse rotating motor at the top of the rotating piece is connected with the top of the main body through a connecting shaft; the moving piece is arranged in the main body, the outer part of the telescopic rod is connected with the inner part of the main body, and a rack in the rack frame is meshed with the bottom block; the aeration piece is installed at the left end and the right end of the top of the moving piece.
Furthermore, the main body comprises a bottom plate, a bottom groove and a bottom piece, the main body is of a rectangular structure, the bottom of the main body is provided with the bottom plate, and the bottom plate is of a rectangular structure; bottom grooves are formed in the left side and the right side of the bottom plate, and the bottom grooves are of rectangular structures; the bottom of kerve is equipped with the bottom spare, and the bottom spare is the rectangle structure.
Furthermore, the rotating piece comprises a rotating paddle, an auxiliary paddle and a bottom block, the rotating piece is of a cylindrical structure, and the rotating paddle is arranged outside the rotating piece; the rotating paddles are of a wedge-shaped structure and are annularly distributed outside the rotating piece; the top end of the outer part of the rotating part is provided with an auxiliary paddle, the auxiliary paddle is of a circular cylindrical structure, and auxiliary teeth are arranged on the outer part of the auxiliary paddle; the bottom of the rotating piece is provided with bottom blocks which are distributed annularly, and the bottom blocks are of rectangular structures; and a forward and reverse rotating motor is installed at the top of the rotating piece.
Furthermore, the moving piece comprises a rack frame, a telescopic rod and a mud scraper, the moving piece is of a rectangular structure, and the rack frame is arranged in the middle of the moving piece; the rack frame is of a rectangular structure, and racks are uniformly arranged in the rack frame; telescopic rods are arranged on two sides of the moving piece, the telescopic rods are of cylindrical structures, and springs are arranged inside the telescopic rods; and a mud scraper is arranged at the bottom of the moving piece and is of a wedge-shaped structure.
Furthermore, the aeration piece comprises an aeration plate, an aeration head and an air inlet piece, the aeration piece is of a rectangular structure, the aeration plate is arranged at the top of the aeration piece, and the aeration plate is of a rectangular structure; the top of the aeration plate is provided with uniformly arranged aeration heads, the aeration heads are of cylindrical structures, and aeration holes are annularly distributed at the top of the aeration heads; the front end of the aeration piece is provided with an air inlet piece which is of a tubular structure.
Compared with the prior art, the utility model discloses following beneficial effect has:
in the device, a rotating part and a moving part are arranged, the rotating part can rotate back and forth by means of the power of a forward and reverse rotating motor, sewage in a main body can be fully rotated, the sewage and a desired liquid can be uniformly mixed together, the sewage treatment is improved, the aeration efficiency is improved, a rotating paddle outside the rotating part can be driven to rotate when the rotating part rotates, the sewage is rotated in the main body, the sewage and air bubbles can be uniformly mixed, the sewage is purified more quickly, the auxiliary paddle on the rotating paddle can accelerate the stirring of water, the upper rotating teeth can be used for assisting in descending the plate, the sewage is stirred more uniformly when the rotating part rotates, the sewage and the air bubbles are combined more uniformly, a bottom block at the bottom of the rotating part is of a rectangular structure, the bottom block is meshed with a rack inside a rack frame, the moving part can be driven to move left and right, thereby realizing the function of driving the moving part;
still furthermore, the moving member is rectangular, can utilize the power of the motor that is just reversing, under the effect of mud scraping plate with the silt of main part bottom, carry on the clearance of silt, thus realize the cleaning of aeration tank, can also bring up the treatment effeciency of the newspaper sewage, the rack inside the moving member, can utilize the power of the rotating member, move about, thus realize the movement of the moving member, the telescopic link is cylindrical structure, can move about, can reduce the resistance when moving the moving member, can also connect moving member and main part, the telescopic link is equipped with the spring inside, can be when moving, make the moving member move about more smoothly, the mud scraping plate of bottom is the wedge structure, can be when moving about, clear up the silt of bottom, clear up the inside of bottom to the bottom, can make the aeration tank more clean, thus solved when using, unable rotatory sewage in the aeration tank, unable even with bubble and sewage mixture, unable efficiency that improves the exposure, current municipal sewage treatment's aeration tank is when using, is difficult to clear up the silt of bottom, causes the accumulational problem of exposure tank silt easily.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the three-dimensional cross-sectional structure of the present invention.
Fig. 3 is a schematic structural view of the main cross section of the present invention.
Fig. 4 is a schematic perspective view of the rotating member of the present invention.
Fig. 5 is a schematic perspective view of the moving member of the present invention.
Fig. 6 is a schematic perspective view of the aeration member of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a main body; 101. a base plate; 102. a bottom groove; 103. a bottom piece; 2. a rotating member; 201. rotating the paddle; 202. an auxiliary paddle; 203. a bottom block; 3. a moving member; 301. a rack frame; 302. a telescopic rod; 303. a mud scraper; 4. an aeration member; 401. an aeration plate; 402. an aeration head; 403. an air inlet member.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying 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, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present 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, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning 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 6:
the utility model provides an aeration tank for municipal sewage treatment, which comprises a main body 1, a rotating part 2, a moving part 3 and an aeration part 4; the top of the main body 1 is provided with a water inlet and an aerator, the bottom of the main body 1 is provided with a sludge discharge port and a water outlet, when the bottom groove 103 at the bottom moves the mud scraping plate 303 left and right, sludge is moved into the bottom piece 103 from the port of the bottom groove, and the bottom piece 103 at the bottom can store the sludge; the rotating part 2 is arranged in the main body 1, a forward and reverse rotating motor at the top of the rotating part 2 is connected with the top of the main body 1 through a connecting shaft, the forward and reverse rotating motor is arranged at the top of the rotating part 2, and the rotating part 2 can rotate back and forth by means of the power of the forward and reverse rotating motor; the moving piece 3 is arranged inside the main body 1, the outer part of the telescopic rod 302 is connected with the inner part of the main body 1, and the rack inside the rack frame 301 is meshed with the bottom block 203; the aeration parts 4 are arranged at the left end and the right end of the top of the moving part 3; the main body 1 comprises a bottom plate 101, a bottom groove 102, a bottom piece 103 and a rectangular structure of the main body 1, wherein the bottom plate 101 is arranged at the bottom of the main body 1, and the bottom plate 101 is of a rectangular structure; the left side and the right side of the bottom plate 101 are provided with bottom grooves 102, and the bottom grooves 102 are rectangular; the bottom of the bottom groove 102 is provided with a bottom piece 103, and the bottom piece 103 is of a rectangular structure. The main body 1 is of a rectangular structure and can store sewage and settled sludge during sewage treatment, the bottom plate 101 is of a rectangular structure and can temporarily store the sludge settled at the bottom, when the bottom groove 103 at the bottom moves the mud scraping plate 303 left and right, the sludge is moved into the bottom piece 103 from the opening of the bottom groove, and the bottom piece 103 at the bottom can store the sludge; the rotating part 2 comprises a rotating paddle 201, an auxiliary paddle 202 and a bottom block 203, the rotating part 2 is of a cylindrical structure, and the rotating paddle 201 is arranged outside the rotating part 2; the rotating paddles 201 are of a wedge-shaped structure, and the rotating paddles 201 are annularly distributed outside the rotating member 2; the top end of the outer part of the rotating part 2 is provided with an auxiliary paddle 202, the auxiliary paddle 202 is of a circular cylindrical structure, and auxiliary teeth are arranged on the outer part of the auxiliary paddle 202; the bottom of the rotating piece 2 is provided with bottom blocks 203 which are distributed annularly, and the bottom blocks 203 are rectangular; the top of the rotating part 2 is provided with a forward and reverse rotating motor, the rotating part 2 can rotate back and forth by means of the power of the forward and reverse rotating motor, the sewage in the main body 1 can be fully rotated, the sewage can be uniformly mixed with the expectation, the sewage treatment is improved, the aeration efficiency is improved, the rotating paddles 2 outside the rotating part 2 can be driven to rotate when the rotating part 2 rotates, the sewage is rotated in the main body 1, the sewage and air bubbles can be uniformly mixed, the sewage purification is faster, the auxiliary paddles 202 on the rotating paddles 201 can accelerate the stirring of the water, the upper rotating teeth can be used for assisting the plate descending, the sewage is stirred more uniformly when rotating, the sewage and the air bubbles are combined more uniformly, the bottom block 203 at the bottom of the rotating part 2 is of a rectangular structure, the bottom block 203 is meshed with the racks in the rack frame 301, the moving part 3 can be driven to move left and right, so that the effect of driving the moving part 3 is realized; the moving piece 3 comprises a rack frame 301, an expansion rod 302 and a mud scraper 303, the moving piece 3 is of a rectangular structure, and the rack frame 301 is arranged in the middle of the moving piece 3; the rack frame 301 is of a rectangular structure, and racks are uniformly arranged in the rack frame 301; two sides of the moving part 3 are provided with telescopic rods 302, the telescopic rods 302 are cylindrical structures, and springs are arranged inside the telescopic rods 302; the bottom of the moving part 3 is provided with a mud scraper 303, the mud scraper 303 is of a wedge-shaped structure, the moving part 3 is of a rectangular structure, sludge at the bottom of the main body 1 can be cleaned under the action of the mud scraper 303 by means of power of a forward and reverse rotating motor, the cleaning of the aeration tank is realized, the treatment efficiency of the reported sewage can be improved, a rack inside the moving part 3 can move leftwards and rightwards by means of power of the rotating part 2, so that the moving part 2 can move, the telescopic rod 302 is of a cylindrical structure, when the moving part 3 can move leftwards and rightwards, the resistance is reduced, the moving part 3 can be connected with the main body 1, a spring is arranged inside the telescopic rod 302, when the moving part 3 moves, the moving part 3 can move leftwards and rightwards more smoothly, the mud scraper 303 at the bottom is of the wedge-shaped structure, and when the moving part moves leftwards and rightwards, the sludge is cleaned to the inner part of the bottom piece 103, so that the aeration tank can be cleaned more; wherein, the aeration member 4 comprises an aeration plate 401, an aeration head 402 and an air inlet 403, the aeration member 4 is of a rectangular structure, the top of the aeration member 4 is provided with the aeration plate 401, and the aeration plate 401 is of a rectangular structure; the top of the aeration plate 401 is provided with aeration heads 402 which are uniformly arranged, the aeration heads 402 are cylindrical structures, and aeration holes are annularly distributed on the top of the aeration heads 402; the front end of aeration spare 4 is equipped with air inlet 403, and air inlet 403 is the tubular structure, aeration spare 4 is the rectangle structure, connect together with the aeration machine, can handle the sewage of bottom, accelerate the effect of processing, the aeration board 401 at top can seal aeration spare 4, thereby make sending more convenience of bubble, aeration head 402 is the cylindrical structure, the top is equipped with the gas pocket, can send the bubble from aeration head 402, thereby improve the aeration rate, air inlet 403 at rear end passes through the pipeline and is connected with the aeration machine, provide the bubble, make sewage treatment can be quick.
The specific use mode and function of the embodiment are as follows:
in the utility model, sewage flows into the aeration tank through the water inlet, the aerator is started, then air is released into the sewage through the aeration head 402, the sewage at the bottom is aerated, then the positive and negative rotating motor is turned on, the rotating part 2 is rotated left and right to drive the rotation of the rotating paddle 201, the auxiliary paddle 202 is rotated accordingly to mix the sewage and the air bubbles more uniformly, the aeration rate is further improved, then the rotating part is kept still for several hours to ensure that mud and people in the sewage are not allowed to discharge through the well water at the water outlet, silt is left at the bottom, the bottom block 203 at the bottom of the rotating part 2 is meshed with the rack inside the rack frame 301, the moving part 3 can be driven to move left and right, the aeration part 4 at the top of the moving part 3 can also move, the air is discharged into the sewage more uniformly, the left and right movement can drive the mud scraping plate 303 at the bottom to move left and right, the sludge is scraped to the inside of the bottom member 103, then the water pump is turned on, and then the sludge inside the bottom member 103 is pumped out.
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 (5)
1. The utility model provides an aeration tank for municipal sewage treatment which characterized in that: comprises a main body (1), a rotating piece (2), a moving piece (3) and an aeration piece (4); the top of the main body (1) is provided with a water inlet and an air blower, and the bottom of the main body (1) is provided with a sludge discharge port and a water outlet; the rotating piece (2) is arranged inside the main body (1), and a forward and reverse rotating motor at the top of the rotating piece (2) is connected with the top of the main body (1) through a connecting shaft; the moving piece (3) is arranged inside the main body (1), the outer part of the telescopic rod (302) is connected with the inner part of the main body (1), and a rack inside the rack frame (301) is meshed with the bottom block (203); the aeration piece (4) is arranged at the left end and the right end of the top of the moving piece (3), and the aeration piece (4) is connected with the air blower through a pipeline.
2. The aeration tank for municipal sewage treatment according to claim 1, wherein: the main body (1) comprises a bottom plate (101), a bottom groove (102) and a bottom piece (103), the main body (1) is of a rectangular structure, the bottom of the main body (1) is provided with the bottom plate (101), and the bottom plate (101) is of a rectangular structure; bottom grooves (102) are formed in the left side and the right side of the bottom plate (101), and the bottom grooves (102) are of rectangular structures; the bottom of the bottom groove (102) is provided with a bottom piece (103), and the bottom piece (103) is of a rectangular structure.
3. The aeration tank for municipal sewage treatment according to claim 1, wherein: the rotating part (2) comprises a rotating paddle (201), an auxiliary paddle (202) and a bottom block (203), the rotating part (2) is of a cylindrical structure, and the rotating paddle (201) is arranged outside the rotating part (2); the rotating paddles (201) are of a wedge-shaped structure, and the rotating paddles (201) are annularly distributed outside the rotating part (2); the top end of the outer part of the rotating part (2) is provided with an auxiliary paddle (202), the auxiliary paddle (202) is of a circular cylindrical structure, and auxiliary teeth are arranged on the outer part of the auxiliary paddle (202); the bottom of the rotating piece (2) is provided with bottom blocks (203) which are distributed annularly, and the bottom blocks (203) are of rectangular structures; and a forward and reverse rotating motor is arranged at the top of the rotating piece (2).
4. The aeration tank for municipal sewage treatment according to claim 1, wherein: the moving piece (3) comprises a rack frame (301), an expansion rod (302) and a mud scraper (303), the moving piece (3) is of a rectangular structure, and the rack frame (301) is arranged in the middle of the moving piece (3); the rack frame (301) is of a rectangular structure, and racks are uniformly arranged in the rack frame (301); telescopic rods (302) are arranged on two sides of the moving piece (3), the telescopic rods (302) are cylindrical structures, and springs are arranged inside the telescopic rods (302); the bottom of the moving piece (3) is provided with a mud scraper (303), and the mud scraper (303) is of a wedge-shaped structure.
5. The aeration tank for municipal sewage treatment according to claim 1, wherein: the aeration piece (4) comprises an aeration plate (401), an aeration head (402) and an air inlet piece (403), the aeration piece (4) is of a rectangular structure, the aeration plate (401) is arranged at the top of the aeration piece (4), and the aeration plate (401) is of a rectangular structure; the top of the aeration plate (401) is provided with uniformly arranged aeration heads (402), the aeration heads (402) are of cylindrical structures, and aeration holes are annularly distributed on the top of the aeration heads (402); the front end of the aeration part (4) is provided with an air inlet part (403), and the air inlet part (403) is of a tubular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021820591.4U CN213652019U (en) | 2020-08-25 | 2020-08-25 | A aeration tank for municipal sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021820591.4U CN213652019U (en) | 2020-08-25 | 2020-08-25 | A aeration tank for municipal sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213652019U true CN213652019U (en) | 2021-07-09 |
Family
ID=76693745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021820591.4U Active CN213652019U (en) | 2020-08-25 | 2020-08-25 | A aeration tank for municipal sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213652019U (en) |
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2020
- 2020-08-25 CN CN202021820591.4U patent/CN213652019U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211018 Address after: 242300 building 3, Fengqi garden, south of Qinglong West Road, Ningguo City, Xuancheng City, Anhui Province, 2006-1006 Patentee after: Anhui Hushi Construction Engineering Co.,Ltd. Address before: Changzhou Institute of technology, NO.666 Liaohe Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: He Peizhi |
|
| TR01 | Transfer of patent right |