CN113606410A - Automatic butt joint of pipeline for geothermal energy - Google Patents
Automatic butt joint of pipeline for geothermal energy Download PDFInfo
- Publication number
- CN113606410A CN113606410A CN202110711990.XA CN202110711990A CN113606410A CN 113606410 A CN113606410 A CN 113606410A CN 202110711990 A CN202110711990 A CN 202110711990A CN 113606410 A CN113606410 A CN 113606410A
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- China
- Prior art keywords
- fixedly connected
- butt joint
- groove
- ring
- pipeline
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2201/00—Special arrangements for pipe couplings
- F16L2201/10—Indicators for correct coupling
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides an automatic butt joint of a pipeline for geothermal energy, and relates to the field of new energy. This automatic butt joint of pipeline for geothermal energy, including last pipe wall, top tube wall bottom end fixedly connected with butt joint pole, top tube wall inside groove fixedly connected with joint groove, butt joint pole lower extreme sliding connection has a slide groove, slide groove bottom end fixedly connected with butt joint pipe, butt joint pipe upper end fixedly connected with joint ring, joint ring is inboard at slide groove, joint ring and joint groove joint, butt joint pipe inner wall fixedly connected with fixed block, the one end fixedly connected with support frame that the fixed block is close to each other, the support frame surface has cup jointed the blocking board. This automatic butt joint of pipeline for geothermal energy blocks the jam plate upset through the joint ring, makes the jam plate can only upwards overturn and can not overturn downwards, seals up the pipeline entry through hanging the flange, makes the inside soil that avoids of pipeline flow backward, has reached the effect of seal installation pipeline, has solved the soil grain and has blockked up or influence the problem of pipeline normal use.
Description
Technical Field
The invention relates to the field of new energy, in particular to an automatic butt joint of a pipeline for geothermal energy.
Background
Geothermal energy is natural heat energy extracted from the earth's crust, which comes from lava rock inside the earth and exists in the form of heat, which is energy that causes volcanic eruptions and earthquakes. The temperature inside the earth is as high as 7000 c, while at depths of 80 to 100 km, the temperature drops to 650 to 1200 c. Through the flow of groundwater and the gushing of lava to the crust 1 to 5 km from the ground, the heat is transferred closer to the ground.
The geothermal energy can utilize the pipeline to carry out the heat exchange from the ground bottom when the extraction is used, when the pipeline is installed at the ground bottom. The pipeline is easily blocked by soil particles or normal use is influenced, and when the pipeline is installed at the bottom of the ground, workers are difficult to enter the ground to butt the pipeline, so that a pipeline joint capable of completing automatic sealing butt joint is needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic butt joint for pipelines for geothermal energy, which solves the problems that soil particles block or influence the normal use of the pipelines, the cost of butting the pipelines in underground operation is high, and the installation result cannot be judged in underground installation.
In order to achieve the purpose, the invention is realized by the following technical scheme: an automatic butt joint of a pipeline for geothermal energy comprises an upper pipe wall, wherein a butt rod is fixedly connected to the bottom end of the upper pipe wall, a clamping groove is fixedly connected to an inner groove of the upper pipe wall, a sliding groove is slidably connected to the lower end of the butt rod, a butt pipe is fixedly connected to the bottom end of the sliding groove, a clamping ring is fixedly connected to the upper end of the butt pipe and is arranged inside the sliding groove, the clamping ring is clamped with the clamping groove, a fixed block is fixedly connected to the inner wall of the butt pipe, one ends of the fixed blocks, which are close to each other, are fixedly connected with a support frame, a blocking plate is sleeved on the outer surface of the support frame, one ends, which are far away from each other, of the blocking plates are fixedly connected with a traction rope, one ends, which are far away from each other, of the blocking plates are in contact connection with the clamping ring, a contraction guide block is fixedly connected to the bottom end of the butt pipe, a folding fixed block is slidably connected with a folding fixed block, the lower end, which is far away from the folding fixed block, is in contact connection with a lower pipe wall, the lower tube wall upper end and shrink guide block fixed connection, shrink guide block outer lane fixedly connected with sealing ring, the one end that folding stator is close to each other is rotated and is connected with the recipient, the extrusion spring has been placed to the recipient inside groove, extrusion spring one end contact is connected with first contact, other end contact is connected with the second contact, first contact and second contact and recipient sliding connection, the one end fixedly connected with duckweed dish that folding stator is close to each other, duckweed dish upper end fixedly connected with articulates the dish, articulate the dish and run through the blocking plate, articulate the dish outside joint and have the inflation stagnant water ring, the inflation stagnant water ring is connected with the blocking plate contact, articulate dish upper end fixedly connected with warning rope, the warning rope runs through the upper tube wall.
Preferably, the slide groove is an arc-shaped triangular block, a sliding groove is formed in an inclined plane at the upper end of the triangular block, five groups of slide grooves are fixedly connected with the butt joint pipes, and the slide grooves are not connected with each other.
Preferably, the shape of the butt joint pipe is a circular ring, five through holes are formed in the opposite surfaces of the circular ring, and the through holes are formed between the two adjacent slide grooves.
Preferably, the upper end of the clamping ring is a triangular clamping key, the clamping key is connected end to form a circular ring, the lower end of the clamping key is a cylinder, and the diameter of the upper end opening of the cylinder is smaller than that of the lower end opening of the cylinder.
Preferably, the blocking plate is composed of fan-shaped plates, every three of the fan-shaped plates are connected with each other through a traction rope, an arc-shaped blocking key is fixedly connected to the upper surface of the blocking plate, and the blocking key is in contact connection with the expansion water stop ring.
Preferably, the folding fixed block consists of a left part and a right part, the bottom of the left end is fixedly connected with a stable groove, the support spring is fixed in the stable groove, and the left end and the right end of the folding fixed block are hinged with each other.
Preferably, the top end of the hanging disc is a disc, the circumferential surface of the disc is fixedly connected with a support, and the center of the bottom end of the disc is fixedly provided with a connecting column.
Compared with the prior art, the invention has the following beneficial effects:
1. this automatic butt joint of pipeline for geothermal energy blocks the jam plate upset through the joint ring, makes the jam plate can only upwards overturn and can not overturn downwards, seals up the pipeline entry through hanging the flange, makes the inside soil that avoids of pipeline flow backward, has reached the effect of seal installation pipeline, has solved the soil grain and has blockked up or influence the problem of pipeline normal use.
2. This automatic butt joint of pipeline for geothermal energy carries out the slide rail direction through the slide groove, makes the butt joint pole can get into the butt joint intraductal groove smoothly, connects through joint ring and joint groove joint and says, makes the butt joint of pipeline more convenient, has reached the effect of quick butt joint pipeline, has solved the problem that underground operation butt joint pipeline cost consumption is big.
3. This automatic butt joint of pipeline for geothermal energy confirms through warning rope whether the pipeline is installed and is accomplished, makes the piping erection confirm more easily, meets water inflation through the inflation stagnant water ring, makes to block the board and can fold and prevent to block liquid, has reached the effect of quick judgement installation result, has solved the unable problem of judging the installation result of underground installation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the butt joint structure of the present invention;
FIG. 3 is a bottom schematic view of the present invention;
FIG. 4 is a schematic view of the internal structure of the present invention;
FIG. 5 is a schematic view of the choke plate configuration of the present invention;
FIG. 6 is a schematic view of a folding fixed block structure according to the present invention;
FIG. 7 is a schematic view of the upper pipe wall structure of the present invention.
The device comprises an upper pipe wall-1, a butt joint rod-2, a clamping groove-3, a slide groove-4, a butt joint pipe-5, a clamping ring-6, a fixing block-7, a support frame-8, a blocking plate-9, a traction rope-10, a contraction guide block-11, a folding fixing block-12, a support spring-13, a sealing ring-14, an extrusion cylinder-15, an extrusion spring-16, a first contact-17, a duckweed disc-18, a hanging disc-19, an expansion water stop ring-20, a warning rope-21, a lower pipe wall-22 and a second contact-23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-7, an automatic pipe butt joint for geothermal energy comprises an upper pipe wall 1, wherein a butt joint rod 2 is fixedly connected to the bottom end of the upper pipe wall 1, a clamping groove 3 is fixedly connected to an inner groove of the upper pipe wall 1, a slide groove 4 is slidably connected to the lower end of the butt joint rod 2, a butt joint pipe 5 is fixedly connected to the bottom end of the slide groove 4, the slide groove 4 is an arc-shaped triangular block, a slide groove is formed in an inclined plane at the upper end of the triangular block, five groups of the slide grooves 4 are fixedly connected with the butt joint pipe 5, the slide grooves 4 are not connected with each other, and the slide groove 4 can guide the pipe to be butted and aligned.
The shape of the butt joint pipe 5 is a circular ring, five through holes are formed opposite to the circular ring, the through holes are formed between the two adjacent slide grooves 4, and the butt joint pipe 5 has the function of providing a butt joint groove and a butt joint platform.
The upper end of the butt joint pipe 5 is fixedly connected with a clamping ring 6, the upper end of the clamping ring 6 is provided with a triangular clamping key, the clamping key is connected end to form a circular ring, the lower end of the clamping key is a cylinder, the diameter of the upper end opening of the cylinder is smaller than that of the lower end opening, and the clamping ring 6 has the functions of clamping and fixing a pipeline and sealing an interface.
The joint ring 6 is inboard in the slide groove 4, and the joint ring 6 is connected with 3 joints in joint groove, and 5 inner wall fixedly connected with fixed block 7 of butt joint pipe, the one end fixedly connected with support frame 8 that fixed block 7 is close to each other, and 8 surface cup joints blocking board 9 of support frame, blocks one end fixedly connected with haulage rope 10 that board 9 kept away from each other, and haulage rope 10 has the effect that the adjacent blocking board 9 of linkage.
The one end that blocks board 9 and keep away from each other is connected with the contact of joint ring 6, and 5 bottom fixedly connected with shrink guide block 11 of butt joint pipe, and 11 inside groove sliding connection of shrink guide block have folding stator 12, and folding stator 12 comprises left and right sides two parts, and left end bottom fixedly connected with stable groove props position spring 13 and fixes at stable inslot, and folding stator 12 left end and right-hand member are articulated each other, and folding stator 12 can be according to the force position make crooked and the effect that straightens.
Folding deciding 12 lower extreme fixedly connected with of piece props a position spring 13, prop the one end contact that position spring 13 kept away from folding deciding 12 and be connected with down pipe wall 22, lower pipe wall 22 upper end and shrink guide 11 fixed connection, shrink guide 11 outer lane fixedly connected with sealing ring 14, the one end that folding deciding 12 are close to each other is rotated and is connected with recipient 15, recipient 15 inside groove has placed extrusion spring 16, extrusion spring 16 one end contact connection has first contact 17, other end contact connection has second contact 23, first contact 17 and second contact 23 and recipient 15 sliding connection, first contact 17 and second contact 23 can be according to the crooked and unbending of folding deciding 12 of the atress assistance of equidirectional.
One end fixedly connected with duckweed dish 18 that folding deciding piece 12 is close to each other, duckweed dish 18 upper end fixedly connected with articulates dish 19, articulates 19 top and is the disc, the global fixedly connected with support of disc, and disc bottom center is fixed with the spliced pole, articulates dish 19 and can block soil entering pipeline.
Hang the closing disc 19 and run through blocking plate 9, hang 19 outside joints of closing disc and have inflation seal ring 20, block that plate 9 comprises 12 sector plates, every three is a set of and passes through haulage rope 10 interconnect, block that fixed surface is connected with circular arc shape on the plate 9 and block the key, block the key and be connected with the contact of inflation seal ring 20, block that plate 9 can block that top soil falls also can chucking duckweed dish 18 assist the judgement installation and whether accomplish.
The expansion water stop ring 20 is connected with the blocking plate 9 in a contact way, the upper end of the hanging disc 19 is fixedly connected with a warning rope 21, and the warning rope 21 penetrates through the upper pipe wall 1.
When the device is used, firstly, the upper pipe wall 1 is descended, the butt joint rod 2 slides along the slide position groove 4 to enter an inner hole of the butt joint pipe 5, the clamping ring 6 enters the clamping groove 3 to be clamped, meanwhile, the folding fixed block 12 presses the support spring 13 under the pressure of the butt joint rod 2, the duckweed disc 18 is driven to descend by the support of the extrusion spring 16 and the second contact 23, the duckweed disc 18 drives the hanging disc 19 to move downwards, the expansion water stop ring 20 is sleeved on the blocking key above the blocking plate 9 in a tension manner, the blocking plate 9 is blocked by the clamping ring 6 to prevent overturning, a pipeline is connected, the operation is conducted, the expansion water stop ring 20 expands when meeting water, the duckweed disc 18 floats upwards when meeting water, the warning rope 21 is drawn, the duckweed disc 18 pushes the blocking plate 9 to rotate around the support frame 8, the expansion water stop ring 20 is clamped by the support frame 8, and the warning rope 21 is drawn out of the duckweed disc 18 and the hanging disc 19.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an automatic butt joint of pipeline for geothermal energy, includes upper tube wall (1), its characterized in that: the bottom end of the upper pipe wall (1) is fixedly connected with a butt joint rod (2), an inner groove of the upper pipe wall (1) is fixedly connected with a clamping groove (3), the lower end of the butt joint rod (2) is connected with a sliding groove (4) in a sliding mode, the bottom end of the sliding groove (4) is fixedly connected with a butt joint pipe (5), the upper end of the butt joint pipe (5) is fixedly connected with a clamping ring (6), the clamping ring (6) is arranged on the inner side of the sliding groove (4), the clamping ring (6) is clamped with the clamping groove (3), the inner wall of the butt joint pipe (5) is fixedly connected with a fixed block (7), one ends, close to each other, of the fixed blocks (7) are fixedly connected with a support frame (8), the outer surface of the support frame (8) is sleeved with a blocking plate (9), one ends, far away from each other, of the blocking plates (9) are fixedly connected with a traction rope (10), and one ends, far away from each other, of the blocking plates (9) are in contact with the clamping ring (6);
the bottom end of the butt joint pipe (5) is fixedly connected with a contraction guide block (11), an inner groove of the contraction guide block (11) is connected with a folding fixed block (12) in a sliding mode, the lower end of the folding fixed block (12) is fixedly connected with a supporting spring (13), one end, far away from the folding fixed block (12), of the supporting spring (13) is connected with a lower pipe wall (22) in a contact mode, the upper end of the lower pipe wall (22) is fixedly connected with the contraction guide block (11), the outer ring of the contraction guide block (11) is fixedly connected with a sealing ring (14), one ends, close to each other, of the folding fixed blocks (12) are connected with an extrusion barrel (15) in a rotating mode, an extrusion spring (16) is placed in the inner groove of the extrusion barrel (15), one end of the extrusion spring (16) is connected with a first contact (17) in a contact mode, the other end of the extrusion spring is connected with a second contact (23) in a contact mode, and the first contact (17) and the second contact (23) are connected with the extrusion barrel (15) in a sliding mode;
folding one end fixedly connected with duckweed dish (18) that decide piece (12) are close to each other, duckweed dish (18) upper end fixedly connected with hangs flange (19), hangs flange (19) and runs through blocking board (9), hangs flange (19) outside joint and has inflation seal ring (20), inflation seal ring (20) and blocking board (9) contact are connected, hangs flange (19) upper end fixedly connected with warning rope (21), warning rope (21) run through upper tube wall (1).
2. An automatic butt joint for a geothermal energy pipeline according to claim 1, wherein: the slide groove (4) is in the shape of a circular arc triangular block, a slide groove is formed in the inclined plane at the upper end of the triangular block, five groups of slide grooves (4) are fixedly connected with the butt joint pipe (5), and the slide grooves (4) are not connected with each other.
3. An automatic butt joint for a geothermal energy pipeline according to claim 1, wherein: the butt joint pipe (5) is in a ring shape, five through holes are formed in the opposite surfaces of the rings, and the through holes are formed between the two adjacent sliding grooves (4).
4. An automatic butt joint for a geothermal energy pipeline according to claim 1, wherein: the upper end of the clamping ring (6) is a triangular clamping key, the clamping key is connected end to form a circular ring, the lower end of the clamping key is a cylinder, and the diameter of the upper end opening of the cylinder is smaller than that of the lower end opening of the cylinder.
5. An automatic butt joint for a geothermal energy pipeline according to claim 1, wherein: the blocking plate (9) is composed of 12 fan-shaped plates, every three fan-shaped plates are connected with each other through a traction rope (10), the upper surface of the blocking plate (9) is fixedly connected with an arc-shaped blocking key, and the blocking key is in contact connection with the expansion water stop ring (20).
6. An automatic butt joint for a geothermal energy pipeline according to claim 1, wherein: the folding fixed block (12) consists of a left part and a right part, the bottom of the left end is fixedly connected with a stable groove, a support spring (13) is fixed in the stable groove, and the left end and the right end of the folding fixed block (12) are hinged with each other.
7. An automatic butt joint for a geothermal energy pipeline according to claim 1, wherein: the top end of the hanging and receiving disc (19) is a disc, a support is fixedly connected to the circumferential surface of the disc, and a connecting column is fixed in the center of the bottom end of the disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110711990.XA CN113606410B (en) | 2021-06-25 | 2021-06-25 | Automatic butt joint of pipeline for geothermal energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110711990.XA CN113606410B (en) | 2021-06-25 | 2021-06-25 | Automatic butt joint of pipeline for geothermal energy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113606410A true CN113606410A (en) | 2021-11-05 |
| CN113606410B CN113606410B (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110711990.XA Active CN113606410B (en) | 2021-06-25 | 2021-06-25 | Automatic butt joint of pipeline for geothermal energy |
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| Country | Link |
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| CN (1) | CN113606410B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180128163A (en) * | 2017-05-23 | 2018-12-03 | 김태형 | float |
| CN209262445U (en) * | 2018-12-25 | 2019-08-16 | 泰州市恒立管业制造有限公司 | A kind of sealed joint pipe of screw-threaded coupling |
| CN111289767A (en) * | 2020-03-25 | 2020-06-16 | 王君华 | High-precision water speed measuring device based on recyclable use of floating mark method |
| CN212361164U (en) * | 2020-04-08 | 2021-01-15 | 付强 | Anti-blocking tap water supply pipeline |
| CN213271517U (en) * | 2020-10-19 | 2021-05-25 | 浙江永瑞气动有限公司 | Splicing type quick-screwing YPN pneumatic pipe joint with self-clamping function |
| CN213508286U (en) * | 2020-07-31 | 2021-06-22 | 浙江墨泉生态建设有限公司 | Slope protection device for ecological environment protection of dam |
-
2021
- 2021-06-25 CN CN202110711990.XA patent/CN113606410B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180128163A (en) * | 2017-05-23 | 2018-12-03 | 김태형 | float |
| CN209262445U (en) * | 2018-12-25 | 2019-08-16 | 泰州市恒立管业制造有限公司 | A kind of sealed joint pipe of screw-threaded coupling |
| CN111289767A (en) * | 2020-03-25 | 2020-06-16 | 王君华 | High-precision water speed measuring device based on recyclable use of floating mark method |
| CN212361164U (en) * | 2020-04-08 | 2021-01-15 | 付强 | Anti-blocking tap water supply pipeline |
| CN213508286U (en) * | 2020-07-31 | 2021-06-22 | 浙江墨泉生态建设有限公司 | Slope protection device for ecological environment protection of dam |
| CN213271517U (en) * | 2020-10-19 | 2021-05-25 | 浙江永瑞气动有限公司 | Splicing type quick-screwing YPN pneumatic pipe joint with self-clamping function |
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| Publication number | Publication date |
|---|---|
| CN113606410B (en) | 2022-11-18 |
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Effective date of registration: 20221102 Address after: Room 501-25, Floor 5, Building 11, Phase I, Hefei Gangji Comprehensive Transportation Logistics Port, No. 8, Hehuai Road, Gangji Town, Changfeng County, Hefei City, 230000, Anhui Province Applicant after: Anhui zean Zhicheng Technology Co.,Ltd. Address before: 550000 room 5301, floor 3, building 5, Guizhou Geological Science and Technology Park, 171 Shilin West Road, guanshanhu District, Guiyang City, Guizhou Province Applicant before: Liao Bo |
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