CN215030848U - A building rubbish preprocessing device for concrete - Google Patents
A building rubbish preprocessing device for concrete Download PDFInfo
- Publication number
- CN215030848U CN215030848U CN202121343038.0U CN202121343038U CN215030848U CN 215030848 U CN215030848 U CN 215030848U CN 202121343038 U CN202121343038 U CN 202121343038U CN 215030848 U CN215030848 U CN 215030848U
- Authority
- CN
- China
- Prior art keywords
- storage hopper
- garbage storage
- filter screen
- hopper
- wall
- 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.)
- Active
Links
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 69
- 238000007781 pre-processing Methods 0.000 title claims abstract description 6
- 238000012216 screening Methods 0.000 claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000000151 deposition Methods 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims description 21
- 238000010276 construction Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
- 239000007921 spray Substances 0.000 abstract description 2
- 230000033228 biological regulation Effects 0.000 description 4
- 238000007873 sieving Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model relates to a concrete refuse treatment technical field, concretely relates to building rubbish preprocessing device for concrete, including depositing mechanism, filtering mechanism and screening mechanism, deposit the mechanism and deposit fill, large-scale rubbish and deposit fill, drain pipe and first filter screen including small-size rubbish, the height dimension that small-size rubbish was deposited and is fought is less than the height dimension that large-scale rubbish was deposited and is fought. The utility model overcomes prior art's is not enough, through supporting the fill, the setting of parts such as first filter screen and second filter screen, can deposit the water droplet that subsides in fighting to two and collect temporarily and filter, can make the support fill more and more heavy to the collection of rubbish in fighting along with two depositing, thereby make to support and press two rivers of depositing the bottom of fighting after fighting to descend, accelerate the speed of the first filter screen of rivers, wholly can purify and retrieve the water droplet, be convenient for send the water droplet of retrieving to atomizer and spray once more, improve device's suitability.
Description
Technical Field
The utility model relates to a concrete refuse treatment technical field specifically is a building rubbish preprocessing device for concrete.
Background
Concrete is a general term for engineering composite materials in which aggregate is cemented into a whole by a cementing material. Concrete is also a common kind of construction waste, and the waste treatment of construction concrete is a way of reusing solid waste as a renewable resource. The construction concrete waste is solid waste generated in the process of building construction, reconstruction, extension or demolition.
In order to conveniently recycle concrete, the construction waste pretreatment device is often used for crushing and screening the concrete, but the concrete is crushed, screened and transported to generate dust, so people often can settle the dust by using the spraying device, the pollution to the environment is reduced, but the existing construction waste pretreatment device cannot recycle the settled water drops, the waste of water resources is caused, and the requirement of the prior art cannot be met.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a building rubbish preprocessing device for concrete has overcome prior art's not enough, aims at solving the problem that can't retrieve the water droplet after subsiding and recycle.
In order to achieve the above object, the utility model provides a following technical scheme: a construction waste pretreatment device for concrete comprises a storage mechanism, a filtering mechanism and a screening mechanism, wherein the storage mechanism comprises a small waste storage hopper, a large waste storage hopper, drain pipes and a first filter screen, the height of the small waste storage hopper is smaller than that of the large waste storage hopper, and the two drain pipes are fixedly sleeved at the bottoms of the inner walls of the small waste storage hopper and the large waste storage hopper respectively;
the filtering mechanism comprises a first reset spring, supporting hoppers, a second filter screen, a second reset spring and a baffle plate, the bottom ends of the first reset springs are uniformly welded at the bottoms of the inner walls of the small garbage storage hopper and the large garbage storage hopper, the bottoms of the supporting hoppers are welded with the top ends of the first reset springs, the two supporting hoppers are respectively sleeved on the inner walls of the small garbage storage hopper and the large garbage storage hopper in a sliding mode, and the top of the baffle plate is in contact with the bottom of the supporting hoppers;
screening mechanism includes screening frame, electric putter, spout, threaded rod, loop bar, rotation cover roller and telescopic link, screening frame rotates through the free bearing and connects and deposit one side top of fighting at large-scale rubbish, screening frame is located small-size rubbish and deposits directly over fighting, two the spout symmetry is seted up at screening frame inner wall, and is a plurality of threaded rod sliding sleeve is at the spout inner wall, loop bar thread bush is two between the threaded rod outer wall, it rotates the cover roller and rotates the cover at the loop bar outer wall, the loop bar all is located inside the screening frame with rotating the cover roller.
As the utility model discloses a preferred technical scheme, first filter screen fixed mounting is at the drain pipe inner wall, small-size rubbish is deposited and is fought one side and large-scale rubbish and deposit and fight outer wall welding.
As a preferred technical scheme of the utility model, the second filter screen passes through bolt fixed mounting and fights the inner wall top at the support, the welding of second reset spring top is in second filter screen bottom center department.
As a preferred technical scheme of the utility model, the welding of second reset spring bottom is in baffle top center department, second reset spring is located and supports inside fighting.
As an optimal technical scheme of the utility model, two electric putter rotates through the free bearing and connects in screening frame one side bottom, the screening frame is located large-scale rubbish and deposits between fill and the electric putter.
As an optimal technical scheme of the utility model, loop bar one end outer wall welding has the telescopic link, electric putter and external power source electric connection.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a support the fill, the setting of parts such as first filter screen and second filter screen, can deposit the water droplet that subsides in the fill to two and collect temporarily and filter, can make the support fill more and more heavy to the collection of rubbish in depositing the fill along with two, thereby make to support to push two rivers of depositing the bottom of fighting after fighting the decline, accelerate the speed of the first filter screen of rivers, wholly can purify and retrieve the water droplet, be convenient for send the water droplet of retrieving to atomizer and spray once more, improve the suitability of device.
(2) The utility model discloses an electric putter can jack up or put down screening frame one end after stretching out and drawing back for concrete on the screening frame can be along with gravity and rotate the clearance between the cover roller and enter into corresponding depositing in the fill in proper order, realizes the screening to concrete rubbish, and the speed of screening to concrete is still controllable through the flexible volume of adjusting electric putter, improves the practicality of device.
(3) The utility model discloses a threaded rod's slip in the spout, can remove the position of rotating the cover roller to be convenient for control rotates the interval between the cover roller, realizes the interval regulation to screening mechanism, but the rotatory telescopic link of interval regulation back still makes the loop bar rotate, makes two threaded rod lateral shifting, makes two threaded rod pressures in the spout convenient to make, fixes the interval after the regulation, only needs rotatory telescopic link during interval regulation, easy operation facilitates the use.
Drawings
Fig. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a front sectional view of the overall structure of the present invention;
fig. 3 is an enlarged view of the structure a in fig. 2 according to the present invention;
fig. 4 is a front sectional view of the screen frame of the present invention.
In the figure: 1. a storage mechanism; 11. a small garbage storage hopper; 12. a large garbage storage hopper; 13. a drain pipe; 14. a first filter screen; 2. a filtering mechanism; 21. a first return spring; 22. a support hopper; 23. a second filter screen; 24. a second return spring; 25. a baffle plate; 3. a screening mechanism; 31. a screening rack; 32. an electric push rod; 33. a chute; 34. a threaded rod; 35. a loop bar; 36. rotating the sleeve roller; 37. a telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a construction waste pretreatment apparatus for concrete includes a storage mechanism 1, a filtering mechanism 2 and a screening mechanism 3, the storage mechanism 1 includes a small waste storage hopper 11 and a large waste storage hopper 12, the drain pipes 13 and the first filter screen 14 are convenient for storing concrete garbage, the height of the small garbage storage hopper 11 is smaller than that of the large garbage storage hopper 12, so that the small garbage and the large garbage can be conveniently collected, hopper doors are respectively arranged on one sides of the small garbage storage hopper 11 and one side of the large garbage storage hopper 12, so that the storage hopper can be cleaned and air in the hopper can be conveniently circulated, the two drain pipes 13 are respectively fixedly sleeved at the bottoms of the inner walls of the small garbage storage hopper 11 and the large garbage storage hopper 12, so that filtered water flow can be conveniently discharged out of the small garbage storage hopper 11 and the large garbage storage hopper 12, and the water flow can be conveniently recycled;
the filtering mechanism 2 comprises a first reset spring 21, a supporting hopper 22, a second filter screen 23, a second reset spring 24 and a baffle 25, and is convenient for filtering water flow, the bottom ends of a plurality of first reset springs 21 are uniformly welded at the bottoms of the inner walls of the small garbage storage hopper 11 and the large garbage storage hopper 12, so that the first reset springs 21 are conveniently supported and fixed, the bottom of the supporting hopper 22 is welded with the top end of the first reset spring 21, so that the first reset spring 21 can conveniently support and limit the supporting hopper 22, the two supporting hoppers 22 are respectively sleeved on the inner walls of the small garbage storage hopper 11 and the large garbage storage hopper 12 in a sliding manner, so that the two storage hoppers can conveniently limit the supporting hopper 22, the gap between the storage hopper and the supporting hopper 22 is small, the top of the baffle 25 is in contact with the bottom of the supporting hopper 22, and the baffle 25 can conveniently shield the bottom of the supporting hopper 22;
the screening mechanism 3 comprises a screening frame 31, an electric push rod 32, sliding grooves 33, threaded rods 34, sleeve rods 35, rotating sleeve rollers 36 and telescopic rods 37, and is convenient for screening concrete garbage, the screening frame 31 is rotatably connected to the top of one side of a large garbage storage hopper 12 through a hinged support and is convenient for supporting and limiting the screening frame 31, the screening frame 31 is positioned right above a small garbage storage hopper 11, so that the garbage with small volume after screening can enter the small garbage storage hopper 11 through a gap, the two sliding grooves 33 are symmetrically arranged on the inner wall of the screening frame 31, the threaded rods 34 are slidably sleeved on the inner wall of the sliding grooves 33, the threaded rods 34 can conveniently slide on the inner wall of the screening frame 31 through the sliding grooves 22, the screening gap can be conveniently adjusted, the sleeve rods 35 are threadedly sleeved between the outer walls of the two threaded rods 34, the two transversely adjacent threaded rods 34 are convenient for supporting the sleeve rods 35, the rotating sleeve rollers 36 are rotatably sleeved on the outer walls of the sleeve rods 35, be convenient for to the support of rotating the mantle roller 36, rotate the mantle roller 36 and only rotate the cover outside loop bar 35 for rotate 36 rotation back can not take the mantle roller 35 to rotate, and the mantle roller 35 all is located screening frame 31 inside with rotating the mantle roller 36, and the mantle roller 36 is rotated in the cooperation of the mantle roller 35 of being convenient for to the screening of concrete, and the spraying mechanism is prior art, and is not repeated here too much.
Specifically, please refer to fig. 2, the first filter 14 is fixedly installed on the inner wall of the drain pipe 13, so that the first filter 14 can filter the water flowing into the drain pipe 13, and one side of the small garbage storage hopper 11 is welded to the outer wall of the large garbage storage hopper 12, so that the two storage hoppers can be connected conveniently, and the stability between the two storage hoppers is improved.
Specifically, please refer to fig. 2 and 3, the second filter 23 is fixedly mounted on the top of the inner wall of the supporting hopper 22 by bolts, so that the second filter 23 is conveniently fixed, the second filter 23 is also convenient for preliminarily filtering the water flow in the two storage hoppers, the top end of the second return spring 24 is welded at the center of the bottom of the second filter 23, so that the second return spring 24 is conveniently supported, and the baffle 25 can be pulled upwards by the elastic force of the second return spring 24, so that the baffle 25 is blocked at the bottom of the supporting hopper 22.
Specifically, referring to fig. 2 and 3, the bottom end of the second return spring 24 is welded at the top center of the baffle 25, so that the second return spring 24 can support the baffle 25, and the second return spring 24 is located inside the support bucket 22, so that the second return spring 24 is hidden and protected inside the support bucket 22.
Specifically, referring to fig. 2, the two electric push rods 32 are rotatably connected to the bottom of one side of the sieving frame 31 through a hinged support, so that the electric push rods 32 can be conveniently extended and retracted to jack up or put down one end of the sieving frame 31, and the sieving frame 31 is located between the large garbage storage hopper 12 and the electric push rods 32, so that the large garbage storage hopper 12 and the electric push rods 32 can conveniently support and limit the sieving frame 31.
Specifically, please refer to fig. 2 and 4, the outer wall of one end of the loop bar 35 is welded with a telescopic rod 37, so that the loop bar 35 can be rotated conveniently through the telescopic rod 37, the telescopic rod 37 can be extended and retracted, the peripheral rotating loop roller 36 is prevented from being affected, the electric push rod 32 is electrically connected with an external power supply, and the external power supply supplies power.
The working principle is as follows: when in use, the primarily crushed concrete garbage can be poured onto the screening frame 31, at the moment, the electric push rod 32 stretches and retracts to jack up or put down one end of the screening frame 31, so that the small concrete garbage on the screening frame 31 can enter the small garbage storage buckets 11 in sequence along with the gravity and the gap between the rotating sleeve rollers 36, the large concrete garbage can not pass through the gap and can roll into the large garbage storage bucket 12, thereby realizing the screening of concrete, the tops of the two storage buckets can be sprayed with water mist for dust fall at the same time of screening, water drops can drop into the two storage buckets after settlement, after the water drops are primarily filtered by the second filter screen 23, the water drops can be collected into water flows in the supporting buckets 22, the baffle 25 is pressed open to enter the bottoms of the two storage buckets, and after the water drops are filtered by the first filter screen 14, the water drops are discharged along with the drain pipe 13, and are recycled, the supporting hopper 22 can be heavier and heavier along with the collection of garbage in the two storage hoppers, at the moment, the supporting hopper 22 can descend under the support of the first reset spring 21, the baffle 25 can shield the bottom of the supporting hopper 22 again under the tension of the second reset spring 24, the air at the bottom of the two storage hoppers can be pressed by the supporting hopper 22 after descending, the speed of water flowing through the first filter screen 14 is accelerated, the position of the rotating sleeve roller 36 can be moved through the sliding of the threaded rod 34 in the sliding groove 33, the distance between the rotating sleeve rollers 36 can be controlled conveniently, the distance adjustment of the screening mechanism is realized, the telescopic rod 37 can be rotated to enable the sleeve rod 35 to rotate after the distance adjustment, the two threaded rods 34 are pressed in the sliding groove 33 after transverse movement, and the adjusted distance is fixed.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a building rubbish preprocessing device for concrete, is including depositing mechanism (1), filtering mechanism (2) and screening mechanism (3), its characterized in that:
the storage mechanism (1) comprises a small garbage storage hopper (11), a large garbage storage hopper (12), drain pipes (13) and a first filter screen (14), wherein the height of the small garbage storage hopper (11) is smaller than that of the large garbage storage hopper (12), and the two drain pipes (13) are fixedly sleeved at the bottoms of the inner walls of the small garbage storage hopper (11) and the large garbage storage hopper (12) respectively;
the filtering mechanism (2) comprises first return springs (21), supporting hoppers (22), a second filter screen (23), a second return spring (24) and a baffle (25), the bottom ends of the first return springs (21) are uniformly welded to the bottoms of the inner walls of the small garbage storage hopper (11) and the large garbage storage hopper (12), the bottom of each supporting hopper (22) is welded to the top end of the corresponding first return spring (21), the two supporting hoppers (22) are respectively sleeved on the inner walls of the small garbage storage hopper (11) and the large garbage storage hopper (12) in a sliding mode, and the top of the baffle (25) is in contact with the bottom of each supporting hopper (22);
screening mechanism (3) are including screening frame (31), electric putter (32), spout (33), threaded rod (34), loop bar (35), rotation loop roller (36) and telescopic link (37), screening frame (31) rotate through the free bearing and connect and deposit fill (12) one side top at large-scale rubbish, screening frame (31) are located small-size rubbish and deposit directly over fill (11), two spout (33) symmetry is seted up at screening frame (31) inner wall, and is a plurality of threaded rod (34) slip cap is at spout (33) inner wall, loop bar (35) thread bush is two between threaded rod (34) outer wall, rotate loop roller (36) and rotate the cover at loop bar (35) outer wall, loop bar (35) and rotation loop roller (36) all are located inside screening frame (31).
2. The construction waste pretreatment device for concrete according to claim 1, characterized in that: the first filter screen (14) is fixedly installed on the inner wall of the drain pipe (13), and one side of the small garbage storage hopper (11) is welded with the outer wall of the large garbage storage hopper (12).
3. The construction waste pretreatment device for concrete according to claim 1, characterized in that: the second filter screen (23) is fixedly installed at the top of the inner wall of the supporting bucket (22) through bolts, and the top end of the second return spring (24) is welded at the center of the bottom of the second filter screen (23).
4. The construction waste pretreatment device for concrete according to claim 1, characterized in that: the bottom end of the second return spring (24) is welded at the center of the top of the baffle plate (25), and the second return spring (24) is positioned inside the support hopper (22).
5. The construction waste pretreatment device for concrete according to claim 1, characterized in that: the two electric push rods (32) are rotatably connected to the bottom of one side of the screening frame (31) through hinged supports, and the screening frame (31) is located between the large garbage storage hopper (12) and the electric push rods (32).
6. The construction waste pretreatment device for concrete according to claim 1, characterized in that: the outer wall of one end of the loop bar (35) is welded with a telescopic bar (37), and the electric push rod (32) is electrically connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121343038.0U CN215030848U (en) | 2021-06-17 | 2021-06-17 | A building rubbish preprocessing device for concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121343038.0U CN215030848U (en) | 2021-06-17 | 2021-06-17 | A building rubbish preprocessing device for concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215030848U true CN215030848U (en) | 2021-12-07 |
Family
ID=79203344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121343038.0U Active CN215030848U (en) | 2021-06-17 | 2021-06-17 | A building rubbish preprocessing device for concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215030848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620910A (en) * | 2022-04-28 | 2022-06-14 | 浙江迈图环保科技有限公司 | Dyeing alkali decrement sewage treatment process |
-
2021
- 2021-06-17 CN CN202121343038.0U patent/CN215030848U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620910A (en) * | 2022-04-28 | 2022-06-14 | 浙江迈图环保科技有限公司 | Dyeing alkali decrement sewage treatment process |
| CN114620910B (en) * | 2022-04-28 | 2023-06-06 | 浙江迈图环保科技有限公司 | Dyeing alkali deweighting sewage treatment process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206168746U (en) | Grit sieve | |
| CN215030848U (en) | A building rubbish preprocessing device for concrete | |
| CN106734876B (en) | Casting old-sand regeneration handles equipment integrating | |
| CN103934204B (en) | Garbage disposal Pre-sorting device | |
| CN107497580A (en) | A kind of sandstone production line | |
| CN109731631B (en) | Environment-friendly boiler coal cinder system of recycling | |
| CN209379402U (en) | A kind of sand-gravel separation device | |
| CN211216809U (en) | Construction waste treatment equipment | |
| CN113751124A (en) | Municipal administration building rubbish crushing and classifying treatment device | |
| CN212524482U (en) | Hierarchical formula rubbing crusher for chemical industry | |
| CN209424049U (en) | A kind of inclined screen claw sand sieving machine | |
| CN218655757U (en) | Construction rubble separation cleaning equipment | |
| CN209109553U (en) | A kind of tea processing screening plant with cleaning function | |
| CN207552897U (en) | A kind of Portable broken-stone material distributing machine for road pavement defect treatment | |
| CN214766740U (en) | Sand screening plant for building | |
| CN214553892U (en) | A smash mechanism for building rubbish handles | |
| CN112169889B (en) | Recovery unit is smashed to building rubbish | |
| CN217866166U (en) | A waste residue filters garbage bin for rural area sewage treatment | |
| CN210947610U (en) | Prevent wall plastering machine of ground paste suck-back | |
| CN217249187U (en) | Waste material reducing mechanism for decoration | |
| CN216756562U (en) | Industrial solid waste handles and uses sieving mechanism | |
| CN215964731U (en) | Tubular grid-shaped stale garbage vibrating screening device | |
| CN205966509U (en) | Cleaning device of cylinder of drum sieve | |
| CN216226093U (en) | Garbage vibration dewatering screen for treating slag in garbage incineration power plant | |
| CN213922582U (en) | Garbage collector matched with coarse grating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240103 Address after: Room 11013 and 11014, 10th Floor, Wanjing Business Center, No. 23 Xi'er Road, Xincheng District, Xi'an City, Shaanxi Province, 710000 Patentee after: Shaanxi Hengrui Architectural Design Engineering Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Effective date of registration: 20240103 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: No.2 Xueyuan Road, Yiwu City, Jinhua City, Zhejiang Province Patentee before: YIWU INDUSTRIAL & COMMERCIAL College |