CN113356346A - Waste water treatment well - Google Patents
Waste water treatment well Download PDFInfo
- Publication number
- CN113356346A CN113356346A CN202110699997.4A CN202110699997A CN113356346A CN 113356346 A CN113356346 A CN 113356346A CN 202110699997 A CN202110699997 A CN 202110699997A CN 113356346 A CN113356346 A CN 113356346A
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- CN
- China
- Prior art keywords
- cage body
- well
- inner cage
- wall
- sewage
- 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.)
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 16
- 239000010865 sewage Substances 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000011449 brick Substances 0.000 claims abstract description 4
- 239000000872 buffer Substances 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 3
- 239000010813 municipal solid waste Substances 0.000 description 7
- 239000002699 waste material Substances 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000007853 buffer solution Substances 0.000 description 2
- 239000011456 concrete brick Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010794 food waste Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003900 soil pollution Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- -1 contains excrement Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F11/00—Cesspools
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention discloses a wastewater treatment well which comprises a well body formed by stacking concrete and bricks, wherein a sewage inlet pipe and a sewage outlet pipe are arranged on the outer wall of the well body; a movable inner cage body is arranged inside the well body, the lower end of the inner cage body is closed, the upper end of the inner cage body is provided with an opening, the outer wall of the inner cage body is provided with a water inlet, and the water inlet is arranged at the upper half part of the inner cage body; a plurality of slots are annularly formed in the outer wall of the inner cage body, and screens are welded at the slots; the open slot is positioned at the lower half part of the inner cage body; the device is suitable for high-rise houses, and can be used for filtering sewage.
Description
Technical Field
The invention relates to a wastewater treatment well.
Background
Three public hazards in nature, waste water, waste gas and noise pollution
Waste water (water) is a generic term for water discharged during activities of residents and runoff rainwater. It includes domestic sewage, industrial waste water and other useless water, such as the first rain flows into the drainage canal.
Domestic sewage mainly contains excrement, food residues, paper towels and the like, and the wastes are accumulated in a sewage pipeline along with the flushing of water flow to cause the blockage of the sewage pipeline, so that a sewage well or a septic tank is required to be arranged below a high-rise residence to collect the solid wastes.
However, the sewage well has limited capacity, so that frequent salvage and cleaning are needed, the operation is troublesome, waste deposited at the bottom of the sewage well is not treated during the operation, and the septic tank has a large volume structure, so that the trouble of salvaging floating garbage is very troublesome.
Based on the problems, the waste water treatment well is suitable for high-rise residences and can be used for filtering sewage waste water.
Disclosure of Invention
The invention aims to provide a wastewater treatment well which is suitable for high-rise residences and can be used for filtering sewage.
In order to solve the problems, the invention adopts the following technical scheme:
a wastewater treatment well comprises a well body formed by stacking concrete and bricks, wherein a sewage inlet pipe and a sewage outlet pipe are arranged on the outer wall of the well body, and the height of the sewage outlet pipe is not higher than that of the sewage inlet pipe; a movable inner cage body is arranged inside the well body, the lower end of the inner cage body is closed, the upper end of the inner cage body is provided with an opening, the outer wall of the inner cage body is provided with a water inlet, and the water inlet is arranged at the upper half part of the inner cage body; a plurality of slots are annularly formed in the outer wall of the inner cage body, and screens are welded at the slots; the slotted hole is positioned at the lower half part of the inner cage body, two L-shaped sliding grooves are symmetrically arranged at the front and back of the inner wall of the well body, the sliding grooves penetrate through the well body upwards, two guide pillars are arranged at the outer wall of the inner cage body, the guide pillars are matched with the sliding grooves, when the guide pillars are matched with the vertical part of the sliding grooves and slide to the limit position, the sewage inlet pipe is coaxial with the water inlet hole, and after the guide pillars slide along the transverse part of the sliding grooves, the sewage inlet pipe is inserted into the water inlet hole; a steel outer ring is poured at the outer ring of the upper end of the well body, and a detachable well cover is installed on the outer ring.
Preferably, a steel inner block body is poured on the inner wall of the well body, a guide shaft is processed on the end face of the inner block body, a threaded portion is arranged at the tail end of the guide shaft, a nut is matched with the threaded portion, a through hole is formed in the outer wall of the inner cage body, the guide shaft is inserted into the inner side of the inner cage body through the through hole, a spring is sleeved on the guide shaft, and the spring acts between the inner cage body and the nut.
Preferably, a buffer block made of rubber is assembled on the guide shaft and acts between the well body and the inner cage body; when the inner cage body moves to the right side under the impact of water flow, the spring is compressed, after the impact force disappears, the spring rebounds, and at the moment, the outer wall of the inner cage body contacts the buffer block to absorb energy and buffer; under the condition that does not set up the buffer block, the collision of the internal cage body and the internal wall of well can be caused in the reseing of spring, and this kind of collision can cause droing of the internal wall of well concrete, causes the internal emergence of well to ooze water. After the buffer block is adopted, the collision between the inner cage body and the inner wall of the well body can be avoided, and the water seepage caused by the collision is avoided.
Preferably, a hanging ring is welded on the position, close to the upper end, of the inner wall of the inner cage body; the lifting ring is arranged, so that the inner cage body can be lifted upwards by means of lifting equipment, and garbage collected in the inner cage body can be separated conveniently.
Preferably, a buffer base plate corresponding to the sewage inlet pipe is arranged on the outer wall of the inner cage body, and water flow rushing out from the sewage inlet pipe impacts the buffer base plate; this structure can strengthen the inner wall of the inner cage body, avoids the inner cage body damage that causes under the long-time sewage impact.
Preferably, a base is arranged at the bottom of the well body, a slot is arranged at the upper end of the base, and the lower end of the well body is installed in the slot; an inner barrel body is arranged at the inner bottom position of the well body, the lower end of the inner barrel body is inserted into the inserting groove, and the inner wall of the inner barrel body and the inner wall of the well body are in smooth transition; in the conventional technology, the well of the transition is a concrete brick structure, but due to the fact that accumulated water exists at the bottom of the well, water seepage can occur for a long time, the water seepage can occur on the outer side of the sewage well, soil pollution can be caused, and if the well is close to a building, the soil layer can be soft, and the building sinks. And adopted above-mentioned technical scheme, can play waterproof technological effect through interior staving, the base can play outside waterproof technological effect simultaneously, through dual waterproof, can ensure that the bottom of the well body has sufficient leakproofness.
Preferably, a conical bearing surface is arranged at the outer wall of the base; the setting of bearing surface can let the base receive stable holding down force after the compaction soil layer, increases the stability of base.
Preferably, the upper end of the sliding chute is provided with a V-shaped guide port; the outer wall of the guide pillar is sleeved with a rubber sleeve made of rubber, the outer diameter of the rubber sleeve is smaller than the groove width of the sliding groove, when the guide pillar is assembled from the guide opening, the rubber sleeve deforms to reduce impact on the inner cage body, when the inner cage body is impacted by sewage entering from the sewage inlet pipe, sliding resistance of the guide pillar during sliding can be increased through the rubber sleeve, and then the inner cage body is helped to absorb energy, and pressure of the spring is reduced.
The invention has the beneficial effects that:
1) in the device, the waste water falling from the high-rise residence can be received through the built-in inner cage body, the waste in the waste water is collected through the inner cage body, excrement and food residues can be decomposed along with the accumulation of time, tissues and the like which cannot be decomposed are intercepted by the plastic packaging bag, fine particulate matters and liquid are discharged through the screen, and when the liquid level in the well body reaches the sewage outlet pipe, the waste liquid begins to be discharged;
2) the garbage is intercepted in the inner cage body, so that the waste liquid in the well body can be directly extracted through the sewage disposal vehicle during the sewage disposal operation, the garbage in the inner cage body can be manually cleaned after the waste liquid is completely extracted, the cleaning area is small, the garbage is intensively stored, and the cleaning efficiency is improved;
3) the inner cage body can be taken out upwards, and after being taken out, the garbage stored inside can be directly treated, so that the operation is simple and the quick connection is realized;
4) the inner cage body can absorb energy transversely and can bear the impact force of the wastewater quickly rushed down from a high-rise;
5) the structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.
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 cross-sectional view of the present invention;
FIG. 2 is a schematic view of the well and inner cage in combination;
FIG. 3 is a partial schematic view of a well body;
FIG. 4 is a partial schematic view of the inner cage;
fig. 5 is a partial enlarged view of fig. 1 at a.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being 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 present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 5.
Example 1
A wastewater treatment well comprises a well body 1 formed by stacking concrete and bricks, wherein a sewage inlet pipe 2 and a sewage outlet pipe 3 are arranged on the outer wall of the well body 1, and the height of the sewage outlet pipe 3 is not higher than that of the sewage inlet pipe 2; a movable inner cage body 4 is arranged inside the well body 1, the lower end of the inner cage body 4 is closed, the upper end of the inner cage body 4 is provided with an opening, the outer wall of the inner cage body 4 is provided with a water inlet 401, and the water inlet 401 is arranged at the upper half part of the inner cage body 4; a plurality of slots 402 are annularly formed in the outer wall of the inner cage body 4, and a screen 433 is welded to the slots 402; the slot 402 is located at the lower half part of the inner cage body 4, two L-shaped sliding grooves 101 are symmetrically arranged at the front and back of the inner wall of the well body 1, the sliding grooves 101 penetrate the well body 1 upwards, two guide pillars 403 are arranged at the outer wall of the inner cage body 4, the guide pillars 403 are matched with the sliding grooves 101, when the guide pillars 403 are matched with the vertical part of the sliding grooves 101 and slide to the limit, the sewage inlet pipe 2 is coaxial with the water inlet hole 401, and when the guide pillars 403 slide along the horizontal part of the sliding grooves 101, the sewage inlet pipe 2 is inserted into the water inlet hole 401; a steel outer ring 5 is poured at the outer ring of the upper end of the well body 1, and a detachable well cover 6 is installed on the outer ring 5.
Example 2
The steel inner block body 7 is poured on the inner wall of the well body 1, a guide shaft 701 is processed on the end face of the inner block body 7, a threaded portion is arranged at the tail end of the guide shaft 701, a nut 702 is matched with the threaded portion, a through hole is formed in the outer wall of the inner cage body 4, the guide shaft 701 is inserted into the inner side of the inner cage body 4 through the through hole, a spring 703 is sleeved on the guide shaft 701, and the spring 703 acts between the inner cage body 4 and the nut 702.
Example 3
A buffer block 704 made of rubber is assembled on the guide shaft 701, and the buffer block 704 acts between the well body 1 and the inner cage body 4; when the inner cage body 4 moves to the right side under the impact of water flow, the spring 703 is compressed, after the impact force disappears, the spring 703 rebounds, and at the moment, the outer wall of the inner cage body 4 contacts the buffer block 704 to absorb energy and buffer; under the condition that the buffer block 704 is not arranged, the reset of the spring 703 can cause the collision between the inner cage body 4 and the inner wall of the well body 1, and the collision can cause the falling off of the concrete inner wall of the well body and cause the water seepage of the well body 1. After the buffer block 704 is adopted, the collision between the inner cage body 4 and the inner wall of the well body 1 can be avoided, and the water seepage caused by the collision can be avoided.
Example 4
A hanging ring 411 is welded on the inner wall of the inner cage body 4 close to the upper end; the lifting ring 411 is arranged to lift the inner cage body 4 upwards by means of lifting equipment, so that garbage collected in the inner cage body 4 can be separated conveniently.
Example 5
A buffer backing plate 412 corresponding to the sewage inlet pipe 2 is arranged on the outer wall of the inner cage body 4, and water flow rushing out from the sewage inlet pipe 2 impacts the buffer backing plate 412; this structure can strengthen the inner wall of the inner cage body, and the inner cage body 4 that causes under avoiding long-time sewage to strike is damaged.
Example 6
A base 8 is arranged at the bottom of the well body 1, a slot 801 is arranged at the upper end of the base 8, and the lower end of the well body 1 is installed in the slot 801; an inner barrel body 9 is arranged at the inner bottom position of the well body 1, the lower end of the inner barrel body 9 is inserted into the insertion groove 801, and the inner wall of the inner barrel body 9 and the inner wall of the well body 1 are in smooth transition; in the conventional technology, the well of the transition is a concrete brick structure, but due to the fact that accumulated water exists at the bottom of the well, water seepage can occur for a long time, the water seepage can occur on the outer side of the sewage well, soil pollution can be caused, and if the well is close to a building, the soil layer can be soft, and the building sinks. And adopted above-mentioned technical scheme, can play waterproof technological effect through interior staving 9, the base 8 can play outside waterproof technological effect simultaneously, through dual waterproof, can ensure that the bottom of the well body 1 has sufficient leakproofness.
A conical pressure bearing surface 881 is arranged on the outer wall of the base 8; the provision of the pressure bearing surface 881 allows the base 8 to receive a stable downward pressure after compacting the soil layer, increasing the stability of the base 8.
Example 7
The upper end of the chute 101 is provided with a V-shaped guide opening 121; the outer wall of the guide post 403 is sleeved with a rubber sleeve 444 made of rubber, the outer diameter of the rubber sleeve 444 is smaller than the groove width of the sliding groove 101, when the guide post 403 is assembled from the guide opening 121, the rubber sleeve 444 deforms to reduce the impact on the inner cage body 4, when the inner cage body 4 is impacted by sewage entering from the sewage inlet pipe 2, the sliding resistance of the guide post 403 during sliding can be increased through the rubber sleeve 444, so that the inner cage body 4 can absorb energy, and the pressure of the spring is reduced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A waste water treatment well, includes the well body (1) that is piled up by concrete and fragment of brick and forms its characterized in that: a sewage inlet pipe (2) and a sewage outlet pipe (3) are arranged on the outer wall of the well body (1), and the height of the sewage outlet pipe (3) is not higher than that of the sewage inlet pipe (2); a movable inner cage body (4) is arranged inside the well body (1), the lower end of the inner cage body (4) is closed, the upper end of the inner cage body is provided with an opening, a water inlet hole (401) is formed in the outer wall of the inner cage body (4), and the water inlet hole (401) is formed in the upper half part of the inner cage body (4); a plurality of slots (402) are annularly formed in the outer wall of the inner cage body (4), and a screen (433) is welded in the slots (402); the open slot (402) is positioned at the lower half part of the inner cage body (4), two L-shaped sliding chutes (101) are symmetrically arranged at the front and back of the inner wall of the well body (1), the sliding chutes (101) upwards penetrate through the well body (1), two guide pillars (403) are arranged at the outer wall of the inner cage body (4), the guide pillars (403) are matched with the sliding chutes (101), when the guide pillars (403) are matched with the vertical part of the sliding chutes (101) and slide to the limit, the sewage inlet pipe (2) and the water inlet hole (401) are coaxial, and when the guide pillars (403) slide along the horizontal part of the sliding chutes (101), the sewage inlet pipe (2) is inserted into the water inlet hole (401); the outer ring of the upper end of the well body (1) is poured with a steel outer ring (5), and a detachable well cover (6) is installed on the outer ring (5).
2. A wastewater treatment well according to claim 1, wherein: the steel inner block body (7) is poured on the inner wall of the well body (1), a guide shaft (701) is machined on the end face of the inner block body (7), a threaded part is arranged at the tail end of the guide shaft (701), a nut (702) is matched with the threaded part, a through hole is formed in the outer wall of the inner cage body (4), the guide shaft (701) is inserted into the inner side of the inner cage body (4) through the through hole, a spring (703) is sleeved on the guide shaft (701), and the spring (703) acts between the inner cage body (4) and the nut (702).
3. A wastewater treatment well according to claim 2, wherein: a buffer block (704) made of rubber is assembled on the guide shaft (701), and the buffer block (704) acts between the well body (1) and the inner cage body (4); when the inner cage body (4) moves towards the right side under the impact of water flow, the spring (703) is compressed, after the impact force disappears, the spring (703) rebounds, and at the moment, the outer wall of the inner cage body (4) contacts the buffer block (704) to absorb energy and buffer.
4. A wastewater treatment well according to claim 1, 2 or 3, wherein: and a lifting ring (411) is welded at the position, close to the upper end, of the inner wall of the inner cage body (4).
5. A wastewater treatment well according to claim 1, wherein: the outer wall of the inner cage body (4) is provided with a buffer backing plate (412) corresponding to the sewage inlet pipe (2), and water flow rushing out from the sewage inlet pipe (2) impacts the buffer backing plate (412).
6. A wastewater treatment well according to claim 1, wherein: a base (8) is arranged at the bottom of the well body (1), an insertion groove (801) is formed in the upper end of the base (8), and the lower end of the well body (1) is installed in the insertion groove (801); an inner barrel body (9) is arranged at the inner bottom position of the well body (1), the lower end of the inner barrel body (9) is inserted into the insertion groove (801), and the inner wall of the inner barrel body (9) and the inner wall of the well body (1) are in smooth transition.
7. A wastewater treatment well according to claim 6, characterized in that: the outer wall of the base (8) is provided with a conical pressure bearing surface (881).
8. A wastewater treatment well according to claim 1, wherein: the upper end of the sliding chute (101) is provided with a V-shaped guide opening (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110699997.4A CN113356346A (en) | 2021-06-23 | 2021-06-23 | Waste water treatment well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110699997.4A CN113356346A (en) | 2021-06-23 | 2021-06-23 | Waste water treatment well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113356346A true CN113356346A (en) | 2021-09-07 |
Family
ID=77536027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110699997.4A Withdrawn CN113356346A (en) | 2021-06-23 | 2021-06-23 | Waste water treatment well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113356346A (en) |
-
2021
- 2021-06-23 CN CN202110699997.4A patent/CN113356346A/en not_active Withdrawn
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| 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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211009 Address after: 523000 No. 13, Weide Road, Hengli village, Hengli Town, Dongguan City, Guangdong Province Applicant after: Guangdong yingruitong Environmental Technology Co., Ltd Address before: 518000 No. 13, Wuxiang, Liutang new village, Bao'an District, Shenzhen City, Guangdong Province Applicant before: Song Danling |
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| TA01 | Transfer of patent application right | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210907 |
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| WW01 | Invention patent application withdrawn after publication |