CN213727643U - Coke production screening dust collector - Google Patents
Coke production screening dust collector Download PDFInfo
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- CN213727643U CN213727643U CN202022827323.1U CN202022827323U CN213727643U CN 213727643 U CN213727643 U CN 213727643U CN 202022827323 U CN202022827323 U CN 202022827323U CN 213727643 U CN213727643 U CN 213727643U
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- 238000012216 screening Methods 0.000 title claims abstract description 97
- 239000000571 coke Substances 0.000 title claims abstract description 67
- 239000000428 dust Substances 0.000 title claims abstract description 27
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 10
- 239000004744 fabric Substances 0.000 abstract description 23
- 239000002245 particle Substances 0.000 abstract description 16
- 239000002817 coal dust Substances 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 241000220317 Rosa Species 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of coke production equipment, especially, relate to a coke production screening dust collector, it opens the motor, through the transmission of speed reducer, drive pivot and helical blade and rotate, the continuous upper and lower upset of rotatory helical blade to the coke, and push away the coke to the filter cylinder right-hand member, through the first screen cloth, second screen cloth and the third screen cloth that set up on the filter cylinder, the coke particle that is less than the screen cloth mesh passes through the screen cloth, and fall into the cavity of collection box from first hopper, second hopper and third hopper respectively, the large granule coke that can't be screened at last is discharged through the discharge tube and is collected the cavity of box inside, accomplish the classified screening to the coke of different particle size, improve the practicality; the fan is opened, coal dust is sucked into the filter cavity of the filter box along with air through the screening cylinder, the air suction cover, the first air suction pipe, the filter box, the collecting box, the air suction pipe and the second air suction pipe, and the air is discharged through the connecting pipe and the fan, so that the safety is improved.
Description
Technical Field
The utility model relates to a technical field of coke production facility especially relates to a coke production screening dust collector.
Background
The screening and dust removing device for coke production is an auxiliary device for screening and dust removing in coke production, and is widely used in the field of coke production equipment; the screening and dust removing device for coke production comprises a base, a screening cylinder, a support frame, a feeding hopper and a first discharging hopper, wherein the screening cylinder is arranged above the base through the support frame, a working cavity is arranged inside the screening cylinder, a feeding hole is formed in the top end of the screening cylinder, a first screen mounting hole is formed in the bottom end of the screening cylinder, the feeding hole and the first screen mounting hole of the screening cylinder are communicated with the internal working cavity, the bottom end of the feeding hopper is communicated with the feeding hole of the screening cylinder, a first screen is arranged in the first screen mounting hole of the screening cylinder, and the top end of the first discharging hopper is communicated with the first screen mounting hole of the screening cylinder; when the screening and dedusting device for coke production in the prior art is used, coke is firstly poured into the screening cylinder through the feed hopper, coke particles smaller than meshes of the first screen pass through the first screen and are discharged from the first discharge hopper; the existing screening and dust removing device for coke production is found that coke particles with different particle sizes cannot be screened in a grading manner, so that the practicability is poor; coal dust is generated in the screening process, explosion is possible when the coal dust reaches a certain concentration and temperature, and the safety is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a motor is turned on, transmission through the speed reducer drives pivot and helical blade and rotates, the continuous upper and lower upset is carried out to the coke to the screening drum right-hand member to the pivoted helical blade, and coke moves from left to right in the screening drum, through the first screen cloth, second screen cloth and the third screen cloth that set up on the screening drum, the coke granule that is less than the screen cloth mesh passes through the screen cloth, and fall into the cavity of collecting box from first hopper, second hopper and third hopper respectively, the coke that can't be screened at last passes through the discharge tube and discharges to the cavity of collecting box inside, accomplish the classified screening to the coke of different particle size, improve the practicality; the fan is opened, the coal dust is sucked into the filter cavity of the filter box along with the air through the screening cylinder, the air suction cover, the first air suction pipe, the filter box, the collecting box, the air suction pipe and the second air suction pipe, the air is discharged through the connecting pipe and the fan, the coal dust generated in the screening process is prevented from floating in the air, and the safety of the coke production screening dust removal device is improved.
The utility model discloses a coke production screening dust collector, including base, sieve tube, support frame, feeder hopper and first play hopper, the sieve tube is installed in the top of base through the support frame, the inside of sieve tube is provided with the working chamber, the top of sieve tube is provided with the feed inlet, the bottom of sieve tube is provided with first screen cloth installing port, the feed inlet and the first screen cloth installing port of sieve tube all communicate with each other with inside working chamber, the bottom of feeder hopper is connected with the feed inlet of sieve tube and communicates with each other, the first screen cloth installing port of sieve tube is provided with first screen cloth, the input of first play hopper is connected with the first screen cloth installing port of sieve tube and communicates with each other; the automatic feeding device comprises a screening cylinder, and is characterized by further comprising a second screen, a third screen, a second discharge hopper, a third discharge hopper, a discharge pipe, a collecting box, a motor support, a speed reducer, a motor and a helical blade, wherein a second screen mounting hole, a third screen mounting hole and a discharge hole are sequentially formed in the right side of the first screen mounting hole in the bottom end of the screening cylinder, the second screen mounting hole is formed in the second screen mounting hole of the screening cylinder, a third screen is arranged in the third screen mounting hole of the screening cylinder, the input end of the second discharge hopper is communicated with the second screen mounting hole of the screening cylinder, the input end of the third discharge hopper is communicated with the third screen mounting hole of the screening cylinder, the input end of the discharge pipe is communicated with the discharge hole of the screening cylinder, the bottom end of the collecting box is connected with the top end of a base, four cavities are formed in the collecting box from left to right, a material receiving hole is formed in the top of each cavity of the collecting box, the material receiving hole of the collecting box is communicated with the corresponding cavity and is respectively communicated with the first discharge hopper, The output ends of the second discharge hopper, the third discharge hopper and the discharge pipe are communicated, the bottom end of the motor support is connected with the top end of the base, the speed reducer and the motor are both installed at the top end of the motor support, the input end of the speed reducer is connected with the output end of the motor, the output end of the speed reducer is provided with a rotating shaft, the rotating shaft penetrates through the left side wall of the screening drum and extends into the working cavity of the screening drum, and the rotating shaft is provided with a helical blade which is positioned in the working cavity of the screening drum; the filter box comprises a filter box support, a base, a suction hood, a first suction pipe, four groups of suction pipes, a second suction pipe, a filter box support, a filter box, a fan and a connecting pipe, wherein the suction opening is formed in the upper right part of a screening cylinder, the suction opening of the screening cylinder is communicated with an internal working cavity, the input end of the suction hood is communicated with the suction opening of the screening cylinder, the input end of the first suction pipe is communicated with the output end of the suction hood, the top of each cavity of a collecting box is provided with an air suction opening and is communicated with the cavity, the input ends of the four groups of suction pipes are respectively communicated with the four air suction openings of the collecting box, the output ends of the four groups of suction pipes are respectively communicated with the four groups of input ends of the second suction pipe, the bottom end of the filter box support is connected with the top end of the base, the bottom end of the filter box is connected with the top end of the filter box support, the filter cavity is arranged in the filter box, the air inlet is formed in the left end of the filter box and is communicated with the filter cavity, the bottom end of the filter box is provided with an air outlet and is communicated with the filter cavity, the bottom end of the fan is connected with the top end of the base, the input end of the connecting pipe is communicated with the air outlet of the filter box, and the output end of the connecting pipe is communicated with the input end of the fan.
The utility model discloses a coke production screening dust collector, the mesh size of first screen cloth, second screen cloth and third screen cloth increases in proper order.
The utility model discloses a coke production screening dust collector still is provided with the bin gate of getting including getting the bin gate, the front end of every cavity of collecting box.
The utility model discloses a coke production screening dust collector still includes the filter screen, and the filter chamber of rose box is inside to be provided with the filter screen.
The utility model discloses a coke production screening dust collector, the front end of rose box is provided with the access door.
The utility model discloses a coke production screening dust collector installs rubber shock absorber between base and motor support, support frame, collecting box, rose box support and the fan.
Compared with the prior art, the beneficial effects of the utility model are that: the motor is started, the rotating shaft and the spiral blades are driven to rotate through the transmission of the speed reducer, the rotating spiral blades continuously overturn the coke up and down and push the coke to the right end of the screening drum, coke particles move from left to right in the screening drum, when passing through a first screen, a second screen and a third screen arranged on the screening drum, the coke particles smaller than meshes of the screens pass through the screens and respectively fall into the cavity of the collecting box from the first discharging hopper, the second discharging hopper and the third discharging hopper, and finally large particles of the coke which cannot be screened are discharged into the cavity of the collecting box through the discharging pipe, so that the grading screening of the cokes with different particle sizes is completed, and the practicability is improved; the fan is opened, the coal dust is sucked into the filter cavity of the filter box along with the air through the screening cylinder, the air suction cover, the first air suction pipe, the filter box, the collecting box, the air suction pipe and the second air suction pipe, the air is discharged through the connecting pipe and the fan, the coal dust generated in the screening process is prevented from floating in the air, and the safety is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
FIG. 3 is a schematic diagram of the construction of a first screen, a second screen, and a third screen;
in the drawings, the reference numbers: 1. a base; 2. a screening cylinder; 3. a support frame; 4. a feed hopper; 5. a first screen; 6. a first discharge hopper; 7. a second screen; 8. a third screen; 9. a second discharge hopper; 10. a third discharge hopper; 11. a discharge pipe; 12. a collection box; 13. a motor bracket; 14. a speed reducer; 15. a motor; 16. a rotating shaft; 17. a helical blade; 18. an air suction hood; 19. a first air suction pipe; 20. an air intake duct; 21. a second aspiration channel; 22. a filter box bracket; 23. a filter box; 24. a fan; 25. a connecting pipe; 26. a material taking door; 27. and (4) a filter screen.
Detailed Description
The following detailed description of the embodiments of the present invention is provided 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.
As shown in fig. 1 to 3, the utility model discloses a screening and dust removing device for coke production, which comprises a base 1, a screen cylinder 2, a support frame 3, a feed hopper 4 and a first discharge hopper 6, wherein the screen cylinder 2 is installed above the base 1 through the support frame 3, a working chamber is arranged inside the screen cylinder 2, a feed inlet is arranged at the top end of the screen cylinder 2, a first screen mounting port is arranged at the bottom end of the screen cylinder 2, the feed inlet and the first screen mounting port of the screen cylinder 2 are both communicated with the internal working chamber, the bottom end of the feed hopper 4 is communicated with the feed inlet of the screen cylinder 2, a first screen mounting port of the screen cylinder 2 is provided with a first screen 5, and the input end of the first discharge hopper 6 is communicated with the first screen mounting port of the screen cylinder 2; the device also comprises a second screen 7, a third screen 8, a second discharge hopper 9, a third discharge hopper 10, a discharge pipe 11, a collection box 12, a motor bracket 13, a speed reducer 14, a motor 15 and a helical blade 17, wherein the bottom end of the screen cylinder 2 is sequentially provided with a second screen mounting port, a third screen mounting port and a discharge port on the right side of the first screen mounting port, the second screen mounting port of the screen cylinder 2 is provided with the second screen 7, the third screen mounting port of the screen cylinder 2 is provided with the third screen 8, the input end of the second discharge hopper 9 is communicated with the second screen mounting port of the screen cylinder 2, the input end of the third discharge hopper 10 is communicated with the third screen mounting port of the screen cylinder 2, the input end of the discharge pipe 11 is communicated with the discharge port of the screen cylinder 2, the bottom end of the collection box 12 is connected with the top end of the base 1, the interior of the collection box 12 is provided with four chambers from left to right, the top of each cavity of the collecting box 12 is provided with a material receiving port, the material receiving ports of the collecting box 12 are communicated with the corresponding cavities and are respectively communicated with the output ends of the first discharging hopper 6, the second discharging hopper 9, the third discharging hopper 10 and the discharging pipe 11, the bottom end of the motor support 13 is connected with the top end of the base 1, the speed reducer 14 and the motor 15 are both installed at the top end of the motor support 13, the input end of the speed reducer 14 is connected with the output end of the motor 15, the output end of the speed reducer 14 is provided with a rotating shaft 16, the rotating shaft 16 penetrates through the left side wall of the screening drum 2 and extends into the working cavity of the screening drum 2, the rotating shaft 16 is provided with a helical blade 17, and the helical blade 17 is positioned in the working cavity of the screening drum 2; the device also comprises an air suction cover 18, a first air suction pipe 19, four groups of air suction pipes 20, a second air suction pipe 21, a filter box bracket 22, a filter box 23, a fan 24 and a connecting pipe 25, wherein the upper end of the right part of the screening cylinder 2 is provided with an air suction opening, the air suction opening of the screening cylinder 2 is communicated with an internal working cavity, the input end of the air suction cover 18 is communicated with the air suction opening of the screening cylinder 2, the input end of the first air suction pipe 19 is communicated with the output end of the air suction cover 18, the top of each cavity of the collecting box 12 is provided with an air suction opening and is communicated with the cavity, the input ends of the four groups of air suction pipes 20 are respectively communicated with four air suction openings of the collecting box 12, the output ends of the four groups of air suction pipes 20 are respectively communicated with four groups of input ends of the second air suction pipe 21, the bottom end of the filter box bracket 22 is connected with the top end of the base 1, the bottom end of the filter box 23 is connected with the top end of the filter box bracket 22, the filter cavity is arranged in the filter box 23, the left end of the filter box 23 is provided with an air inlet and is communicated with the filter cavity, the bottom end of the filter box 23 is provided with an air outlet and is communicated with the filter cavity, the bottom end of the fan 24 is connected with the top end of the base 1, the input end of the connecting pipe 25 is communicated with the air outlet of the filter box 23, and the output end of the connecting pipe 25 is communicated with the input end of the fan 24; the motor 15 is started, the rotating shaft 16 and the helical blade 17 are driven to rotate through the transmission of the speed reducer 14, the rotating helical blade 17 continuously overturns coke up and down and pushes the coke to the right end of the screening drum 2, coke particles move from left to right inside the screening drum 2, when passing through the first screen 5, the second screen 7 and the third screen 8 arranged on the screening drum 2, the coke particles smaller than meshes of the screens pass through the screens and respectively fall into the cavity of the collecting box 12 from the first discharging hopper 6, the second discharging hopper 9 and the third discharging hopper 10, and finally large particles of the coke which cannot be screened are discharged into the cavity of the collecting box 12 through the discharging pipe 11, so that the grading screening of the cokes with different particle sizes is completed, and the practicability is improved; the fan 24 is turned on, coal dust is sucked into the filter cavity of the filter box 23 along with air through the screening cylinder 2, the air suction cover 18, the first air suction pipe 19, the filter box 23, the collecting box 12, the air suction pipe 20 and the second air suction pipe 21, and the air is discharged through the connecting pipe 25 and the fan 24, so that the coal dust generated in the screening process is prevented from floating in the air, and the safety is improved.
The sieving and dust removing device for coke production of the utility model has the advantages that the mesh sizes of the first screen 5, the second screen 7 and the third screen 8 are sequentially increased; complete the grading screening of the cokes with different sizes and improve the practicability.
The screening and dedusting device for coke production of the utility model also comprises a material taking door 26, and the material taking door 26 is arranged at the front end of each chamber of the collecting box 12; the take-out door 26 is opened to take out the coke inside each chamber of the collection bin 12, improving practicality.
The utility model discloses a coke production screening dust collector, which also comprises a filter screen 27, wherein the filter screen 27 is arranged in the filter cavity of the filter box 23; the filter screen 27 filters the air with coal dust entering the filter cavity of the filter box 23, and the filtered air is discharged through the connecting pipe 25 and the fan 24, so that the practicability is improved.
The utility model relates to a coke production screening dust removal device, the front end of a filter box 23 is provided with an access door; the access door on the filter box 23 is opened, and the coal dust in the filter cavity of the filter box 23 is cleaned, so that the convenience is improved.
The utility model discloses a coke production screening dust collector, rubber shock absorbers are arranged between a base 1 and a motor bracket 13, a support frame 3, a collecting box 12, a filter box bracket 22 and a fan 24; reduce noise and vibration that the operation in-process produced and improve the practicality.
The utility model discloses a coke production screening dust collector, it is at the during operation, at first open motor 15 and fan 24, later pour the coke into filter tube 2 through feeder hopper 4, pivoted helical blade 17 carries out continuous upset from top to bottom to the coke, and push away the coke to filter tube 2 right-hand member, coke particles from left to right removes in filter tube 2 is inside, through the first screen cloth 5 that sets up on filter tube 2, during second screen cloth 7 and third screen cloth 8, the coke particles that are less than the screen cloth mesh pass through the screen cloth, and respectively from first play hopper 6, second play hopper 9 and third play hopper 10 fall into to the cavity inside of collection box 12, the large granule coke that can't be screened at last discharges to the collection box 12 through arranging hopper 11 inside, the coal dust that the screening produced passes through filter tube 2, the suction hood 18, first suction pipe 19, rose box 23 and collecting box 12, The air suction pipe 20 and the second air suction pipe 21 are sucked into the filter cavity of the filter box 23 along with air, the filter screen 27 filters the air with coal dust entering the filter cavity of the filter box 23, the filtered air is discharged through the connecting pipe 25 and the fan 24, then the material taking door 26 is opened, and the coke in each cavity of the collecting box 12 is taken out.
The utility model discloses a coke production screening dust collector, its mounting means, connected mode or set up the mode and be common mechanical system, as long as can reach all can implement of its beneficial effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A screening and dedusting device for coke production comprises a base (1), a screening cylinder (2), a support frame (3), a feeding hopper (4) and a first discharging hopper (6), wherein the screening cylinder (2) is installed above the base (1) through the support frame (3), a working chamber is arranged inside the screening cylinder (2), a feeding hole is formed in the top end of the screening cylinder (2), a first screen mounting hole is formed in the bottom end of the screening cylinder (2), the feeding hole and the first screen mounting hole of the screening cylinder (2) are communicated with the internal working chamber, the bottom end of the feeding hopper (4) is communicated with the feeding hole of the screening cylinder (2), a first screen (5) is arranged at the first screen mounting hole of the screening cylinder (2), and the input end of the first discharging hopper (6) is communicated with the first screen mounting hole of the screening cylinder (2); it is characterized by also comprising a second screen (7), a third screen (8), a second discharge hopper (9), a third discharge hopper (10), a discharge pipe (11), a collection box (12), a motor bracket (13), a speed reducer (14), a motor (15) and a helical blade (17), wherein the bottom end of the screen cylinder (2) is provided with a second screen mounting port, a third screen mounting port and a discharge port in sequence on the right side of the first screen mounting port, the second screen mounting port of the screen cylinder (2) is provided with the second screen (7), the third screen mounting port of the screen cylinder (2) is provided with the third screen (8), the input end of the second discharge hopper (9) is communicated with the second screen mounting port of the screen cylinder (2), the input end of the third discharge hopper (10) is communicated with the third screen mounting port of the screen cylinder (2), the input end of the discharge pipe (11) is communicated with the discharge port of the screen cylinder (2), the bottom end of the collecting box (12) is connected with the top end of the base (1), four cavities are arranged in the collecting box (12) from left to right, a material receiving port is arranged at the top of each cavity of the collecting box (12), the material receiving ports of the collecting box (12) are communicated with the corresponding cavities and are respectively communicated with the first discharging hopper (6), the second discharging hopper (9), the third discharging hopper (10) and the output end of the discharging pipe (11), the bottom end of the motor bracket (13) is connected with the top end of the base (1), the speed reducer (14) and the motor (15) are both arranged at the top end of the motor bracket (13), the input end of the speed reducer (14) is connected with the output end of the motor (15), the output end of the speed reducer (14) is provided with a rotating shaft (16), the rotating shaft (16) penetrates through the left side wall of the screening drum (2) and extends into the working cavity of the screening drum (2), and a spiral blade (17) is arranged on the rotating shaft (16), the helical blade (17) is positioned in the working cavity of the screening drum (2); the device also comprises an air suction cover (18), a first air suction pipe (19), four groups of air suction pipes (20), a second air suction pipe (21), a filter box bracket (22), a filter box (23), a fan (24) and a connecting pipe (25), wherein the upper end of the right part of the screening cylinder (2) is provided with an air suction opening, the air suction opening of the screening cylinder (2) is communicated with the internal working cavity, the input end of the air suction cover (18) is communicated with the air suction opening of the screening cylinder (2), the input end of the first air suction pipe (19) is communicated with the output end of the air suction cover (18), the top of each cavity of the collecting box (12) is provided with an air suction port and communicated with the cavity, the input ends of the four groups of air suction pipes (20) are respectively communicated with the four air suction ports of the collecting box (12), the output ends of the four groups of air suction pipes (20) are respectively communicated with the four groups of the input ends of the second air suction pipe (21), the bottom end of the filter box bracket (22) is connected with the top end of the base (1), the bottom end of the filter box (23) is connected with the top end of the filter box support (22), a filter cavity is arranged inside the filter box (23), the left end of the filter box (23) is provided with an air inlet and is communicated with the filter cavity, the bottom end of the filter box (23) is provided with an air outlet and is communicated with the filter cavity, the bottom end of the fan (24) is connected with the top end of the base (1), the input end of the connecting pipe (25) is connected with the air outlet of the filter box (23) and is communicated with the air outlet, and the output end of the connecting pipe (25) is connected with the input end of the fan (24).
2. A coke production screening dust removal apparatus as claimed in claim 1, wherein the mesh sizes of the first screen (5), the second screen (7) and the third screen (8) are sequentially increased.
3. A coke production screening dust removal apparatus as claimed in claim 2, further comprising a take-out gate (26), the front end of each chamber of the collection bin (12) being provided with a take-out gate (26).
4. A coke production screening dust removal apparatus as claimed in claim 3, further comprising a filter screen (27), wherein the filter screen (27) is disposed in the filter chamber of the filter box (23).
5. A coke production screening dust removal apparatus as claimed in claim 4, wherein the front end of the filter box (23) is provided with an access door.
6. A coke production screening dust collector as claimed in claim 5, characterized in that rubber dampers are installed between the base (1) and the motor bracket (13), the supporting frame (3), the collection box (12), the filter box bracket (22) and the fan (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827323.1U CN213727643U (en) | 2020-11-30 | 2020-11-30 | Coke production screening dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827323.1U CN213727643U (en) | 2020-11-30 | 2020-11-30 | Coke production screening dust collector |
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| Publication Number | Publication Date |
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| CN213727643U true CN213727643U (en) | 2021-07-20 |
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| CN202022827323.1U Active CN213727643U (en) | 2020-11-30 | 2020-11-30 | Coke production screening dust collector |
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| CN (1) | CN213727643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113731814A (en) * | 2021-09-13 | 2021-12-03 | 三亚城投众辉新型建材有限公司 | Environment-friendly regeneration machine-made sand gummer |
-
2020
- 2020-11-30 CN CN202022827323.1U patent/CN213727643U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113731814A (en) * | 2021-09-13 | 2021-12-03 | 三亚城投众辉新型建材有限公司 | Environment-friendly regeneration machine-made sand gummer |
| CN113731814B (en) * | 2021-09-13 | 2022-05-10 | 三亚城投众辉新型建材有限公司 | Environment-friendly regeneration machine-made sand gummer |
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Effective date of registration: 20240307 Address after: Room 201, 3rd Floor, New Century Garden, Hedong North Street, Botou City, Cangzhou City, Hebei Province, 061000 Patentee after: Zhang Lianfeng Country or region after: China Address before: 116000 Qipan village, gezhenbao Town, Ganjingzi District, Dalian City, Liaoning Province Patentee before: Dalian jiafengda renewable resources Co.,Ltd. Country or region before: China |
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Effective date of registration: 20240430 Address after: 061500 Fu Zhuang Village, Liu Bali Township, Nanpi County, Cangzhou City, Hebei Province Patentee after: Cangzhou Danyu Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: Room 201, 3rd Floor, New Century Garden, Hedong North Street, Botou City, Cangzhou City, Hebei Province, 061000 Patentee before: Zhang Lianfeng Country or region before: China |
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