CN210875508U - Novel clean coal screening grinding mechanism for coal powder production - Google Patents
Novel clean coal screening grinding mechanism for coal powder production Download PDFInfo
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- CN210875508U CN210875508U CN201921914643.1U CN201921914643U CN210875508U CN 210875508 U CN210875508 U CN 210875508U CN 201921914643 U CN201921914643 U CN 201921914643U CN 210875508 U CN210875508 U CN 210875508U
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- vibrating plate
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- 238000012216 screening Methods 0.000 title claims abstract description 61
- 239000003245 coal Substances 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 239000000843 powder Substances 0.000 title description 8
- 239000002817 coal dust Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 7
- 239000008187 granular material Substances 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 description 6
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 5
- 238000007873 sieving Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 241000951498 Brachypteraciidae Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Abstract
The utility model discloses a novel fine coal screening grinding mechanism is used in buggy production, including grinding pot and screening jar, the upper end of grinding pot is run through and is fixed with the feeder hopper, all be fixed with the fixed block on the relative lateral wall in the grinding pot, two relative one side of fixed block all is equipped with two and rotates the groove, it is equipped with grinder to rotate the inslot, one side of grinding pot is fixed with the guard box, the lower extreme of grinding pot is connected with the spiral conveying pipeline, the upper end at the screening jar is connected to the one end of spiral conveying pipeline, all be fixed with the mounting panel on the relative lateral wall in the screening jar. The utility model discloses the convenience is ground the raw materials, and is convenient for carry the pulverized coal after grinding, and sealing performance is good, can effectively avoid the pulverized coal to waft the harm that brings, uses safelyr, still can filter the pulverized coal, and the convenient granule that will disqualify is got rid of, has promoted the screening quality of pulverized coal, and production quality is high.
Description
Technical Field
The utility model relates to a technical field is used in the buggy processing, especially relates to a novel clean coal screening grinding mechanism is used in buggy production.
Background
The environmental protection boiler refers to a boiler with waste gas emission which can meet the environmental protection requirement, and the boiler does not refer to a certain boiler, and the flue gas emission of the coal-fired boiler after desulfurization and dust removal treatment can also meet the environmental protection requirement, so the coal-fired boiler which meets the environmental protection standard is also an environmental protection boiler, the fuel of the boiler is mainly pulverized coal, the pulverized coal refers to coal with the granularity of less than 0.5 mm, the boiler is a coal product prepared by screening, airing and polishing clean coal, coking coal and the like, the calorific value of the boiler can reach 6700 kilocalories, the sulfur content is less than four thousandths, the use is more environmental protection, and the pulverized coal is ground and screened in the processing production.
Because the pulverized coal after grinding is fine in particle, pulverized coal of unit mass has a large surface area, and a large amount of air can be adsorbed on the surface, so that the pulverized coal has fluidity, the sealing performance of the existing device is poor, the pulverized coal after grinding is easy to scatter when flowing to influence the production environment, the pulverized coal has large harm to a production device and production personnel, and the pulverized coal after grinding is not screened sufficiently, so that the production quality of the pulverized coal is influenced, and the problem of poor production quality exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel clean coal screening and grinding mechanism for coal dust production.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel clean coal screening and grinding mechanism for coal dust production comprises a grinding tank and a screening tank, wherein a feed hopper is penetrated through and fixed at the upper end of the grinding tank, fixed blocks are fixed on opposite side walls in the grinding tank, two rotating grooves are formed in opposite sides of the two fixed blocks, a grinding device is arranged in each rotating groove, a protective box is fixed on one side of the grinding tank, the lower end of the grinding tank is connected with a spiral conveying pipe, one end of each spiral conveying pipe is connected to the upper end of the screening tank, mounting plates are fixed on opposite side walls in the screening tank, two limiting grooves are formed in opposite sides of the two mounting plates, two limiting rods are fixed on opposite side walls in the four limiting grooves, a screening device is arranged on each limiting rod, a vibration motor is fixed at the lower end of the screening device, two material collecting pipes are penetrated through and fixed on two sides of the screening tank respectively, two discharge pipes are fixed at one ends of the two material collecting pipes.
Preferably, grinder is including rotating the first grinding roller that connects on relative lateral wall in wherein two rotation inslots respectively, and equal rotation on relative lateral wall in two other rotation inslots is connected with the second and grinds the roller, two first grinding roller is located the upper end that two second ground rollers respectively, two distance between the first grinding roller is greater than the distance between two second grinding rollers, and two first grinding rollers and two second grind the one end of roller and all run through one side lateral wall in the grinding jar and one side of guard box in proper order and extend to the guard box in, two first grinding roller one end is all fixed the cover and is equipped with the action wheel, two second grinding roller one end is all fixed the cover and is equipped with from the driving wheel, and the action wheel on the same vertical direction passes through transmission chain drive connection from the driving wheel.
Preferably, the screening device comprises a first vibrating plate and a second vibrating plate which are respectively sleeved on four limiting rods on the same water surface, connecting plates are fixed on two sides of the upper end of the second vibrating plate, the upper ends of the two connecting plates are respectively fixed on two sides of the lower end of the first vibrating plate, the upper end of the vibrating motor is fixed at the lower end of the second vibrating plate, the first vibrating plate is positioned at the upper end of the second vibrating plate, springs are sleeved on the eight limiting rods, the lower ends of the eight springs are respectively fixed on one end side wall in the limiting groove, the upper ends of the four springs are respectively fixed at four corners of the lower end of the first vibrating plate, the upper ends of the other four springs are respectively fixed at four corners of the lower end of the second vibrating plate, troughs are respectively arranged at the upper ends of the first vibrating plate and the second vibrating plate, an opening is arranged at the bottom in one trough, the screen cloth with be located first vibration board, the opposite end of first vibration board and second vibration board respectively with two collection material pipe mutual correspondences.
Preferably, a bearing block is fixed at the bottom in the protection box, two driving motors are fixed at the upper end of the bearing block, and the tail ends of output shafts of the two driving motors are respectively fixed at one ends of the two first grinding rollers.
Preferably, the bottom in the two troughs is all the slope setting, and the incline direction of bottom is opposite setting in two troughs.
Preferably, the lower extreme four corners of grinding tank all is fixed with first carrier bar, the lower extreme four corners of screening jar all is fixed with the second carrier bar.
Preferably, the bottom of the grinding tank is arranged obliquely.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the grinding tank, the screening tank, the spiral conveying pipe, the grinding device and other components are matched, so that raw materials can be conveniently ground, pulverized coal can be conveniently conveyed after grinding, the problems that the existing device is poor in sealing performance, pulverized coal is easy to float when flowing to affect the production environment, the pulverized coal has great harm to a production device and production personnel are solved, the harm caused by pulverized coal floating is effectively avoided, the sealing performance of the device is improved, and the device is safer to use;
2. through the matching of the first vibrating plate, the second vibrating plate, the discharging pipe, the vibrating motor and other components, the ground coal powder is conveniently screened, so that unqualified particles are removed, the problem that the production quality of the coal powder is influenced due to the insufficient screening of the coal powder ground by the conventional device is solved, the screening quality of the coal powder is improved, and the production quality is high;
to sum up, the utility model discloses the convenience is ground the raw materials, and is convenient for carry the pulverized coal after grinding, and sealing performance is good, can effectively avoid the pulverized coal to waft the harm of bringing, uses safelyr, still can filter the pulverized coal, conveniently gets rid of unqualified granule, has promoted the screening quality of pulverized coal, and production quality is high.
Drawings
Fig. 1 is a front view of a novel clean coal screening and grinding mechanism for coal dust production provided by the utility model;
fig. 2 is a schematic view of the internal structure of a novel clean coal screening and grinding mechanism for coal dust production provided by the utility model;
fig. 3 is a schematic view of the internal structure of the grinding tank of the novel clean coal screening and grinding mechanism for coal dust production provided by the utility model;
fig. 4 is a side view of the grinding tank of the novel clean coal screening and grinding mechanism for coal dust production provided by the utility model;
fig. 5 is a schematic view of the internal structure of the screening tank of the novel clean coal screening and grinding mechanism for coal dust production provided by the utility model;
fig. 6 is a side view of a screening tank of a novel clean coal screening and grinding mechanism for coal dust production according to the present invention;
in the figure: 1 grinding tank, 2 screening jars, 3 feeder hoppers, 4 spiral conveying pipelines, 5 first carrier bars, 6 second carrier bars, 7 discharging pipes, 8 material collecting pipes, 9 first grinding rollers, 10 second grinding rollers, 11 fixed blocks, 12 first vibrating plates, 13 springs, 14 mounting plates, 15 driving motors, 16 carrier blocks, 17 transmission chains, 18 protection boxes, 19 limiting rods, 20 screens, 21 vibrating motors, 22 connecting plates and 23 second vibrating plates.
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.
Referring to fig. 1-6, a novel clean coal screening grinding mechanism for coal dust production, including grinding tank 1 and screening jar 2, the lower extreme four corners of grinding tank 1 all is fixed with first carrier bar 5, makes things convenient for the outrigger of grinding tank 1, and the lower extreme four corners of screening jar 2 all is fixed with second carrier bar 6, makes things convenient for the outrigger of screening jar 2.
The utility model discloses in, grinding pot 1's upper end is run through and is fixed with feeder hopper 3, makes things convenient for the raw materials to pass through feeder hopper 3 and gets into to grinding pot 1 in, and the bottom in grinding pot 1 is the slope setting, makes things convenient for the flow of buggy, all is fixed with fixed block 11 on the relative lateral wall in grinding pot 1, and relative one side of two fixed block 11 all is equipped with two rotation grooves, rotates the inslot and is equipped with grinder, conveniently grinds the raw materials through grinder.
The utility model discloses in, one side of grinding jar 1 is fixed with protecting box 18, and the bottom in the protecting box 18 is fixed with carrier block 16, and carrier block 16's upper end is fixed with two driving motor 15, and driving motor 15 can provide power for the rotation that roller 10 was ground to first grinding roller 9 and second, and two driving motor 15's output shaft ends are fixed respectively in the one end of two first grinding rollers 9, makes things convenient for driving motor 15 to drive first grinding roller 9 through the output shaft and rotates.
The utility model discloses in, the lower extreme of grinding pot 1 is connected with spiral conveying pipeline 4, the upper end at screening jar 2 is connected to the one end of spiral conveying pipeline 4, the buggy after conveniently will grinding is carried to screening jar 2 in through spiral conveying pipeline 4 and is filtered, all be fixed with mounting panel 14 on the relative lateral wall in the screening jar 2, two relative one side of mounting panel 14 all is equipped with two spacing grooves, all be fixed with two gag lever posts 19 jointly on the relative lateral wall of four spacing inslots, be equipped with the sieving mechanism on the gag lever post 19, the sieving mechanism conveniently filters the buggy, thereby get rid of unqualified granule, promote the production quality of buggy.
The utility model discloses in, sieving mechanism's lower extreme is fixed with vibrating motor 21, conveniently drives sieving mechanism vibrations to be convenient for filter, the both sides of screening jar 2 are run through respectively and are fixed with two collection material pipes 8, and the one end of two collection material pipes 8 all is fixed with two discharging pipes 7, and collection material pipe 8 and discharging pipe 7 are convenient with the buggy discharge of first vibration board 12 and second vibration board 23 upper end.
The utility model discloses in, grinder is including rotating the first grinding roller 9 of connection on two of them rotation inslot relative lateral walls respectively, make things convenient for the rotation of first grinding roller 9, it is connected with second grinding roller 10 all to rotate on two other rotation inslot relative lateral walls, make things convenient for the rotation of second grinding roller 10, two first grinding rollers 9 are located the upper end that two second grinding rollers 10 respectively, distance between two first grinding rollers 9 is greater than the distance between two second grinding rollers 10, be convenient for carry out the abrasive treatment of first time through two first grinding rollers 9, rethread two second grinding rollers 10 carry out more meticulous grinding.
The utility model discloses in, two first grinding roller 9 and two second grinding roller 10's one end all run through the one end lateral wall in grinding tank 1 and one side of guard box 18 in proper order and extend to the guard box 18 in, two first grinding roller 9 one ends are all fixed the cover and are equipped with the action wheel, it rotates to drive the action wheel when convenient first grinding roller 9 rotates, two second grinding roller 10 one ends are all fixed the cover and are equipped with from the driving wheel, make things convenient for two to drive second grinding roller 10 from the driving wheel and rotate, the ascending action wheel of same vertical side and pass through the transmission of driving chain 17 from the driving wheel and connect, accessible driving chain 17 drives when the action wheel rotates from the driving wheel rotation, thereby realize grinding roller 9 with the first grinding roller of one side and second grinding roller 10 synchronous rotation.
The utility model discloses in, sieving mechanism establishes first vibration board 12 and second vibration board 23 on four gag lever posts 19 of same surface of water including establishing respectively, make things convenient for first vibration board 12 and second vibration board 23 to move on gag lever post 19, the upper end both sides of second vibration board 23 all are fixed with connecting plate 22, the lower extreme both sides at first vibration board 12 are fixed respectively to the upper end of two connecting plates 22, make things convenient for second vibration board 23 to drive first vibration board 12 vibrations through connecting plate 22, the lower extreme at second vibration board 23 is fixed to vibrating motor 21's upper end, vibrating motor 21 can drive second vibration board 23 and shake.
The utility model discloses in, first vibration board 12 is located the upper end of second vibration board 23, all the cover is equipped with spring 13 on eight gag lever post 19, eight spring 13's lower extreme is all fixed on the one end lateral wall of spacing inslot, wherein the lower extreme four corners at first vibration board 12 is fixed respectively to four spring 13's upper end, the lower extreme four corners at second vibration board 23 is fixed respectively to four spring 13's upper end in addition, make things convenient for first vibration board 12 and second vibration board 23 to reset under spring 13's elastic force, be convenient for the vibrations of first vibration board 12 and second vibration board 23, the going on of convenient screening work, and can reduce the influence of vibrational force to screening jar 2.
The utility model discloses in, the upper end of first vibration board 12 and second vibration board 23 all is equipped with the silo, and the bottom in two silos all is the slope setting, makes things convenient for first vibration board 12 and second vibration board 23 the buggy on its upper end can fall to two collection material intraductals 8 when vibrations in, and the incline direction of bottom is opposite setting in two silos, makes things convenient for separately the transport of unqualified and qualified buggy.
The utility model discloses in, the bottom in one of them silo is equipped with the opening, be fixed with screen cloth 20 jointly on the a week lateral wall in the opening, screen cloth 20 with be located first vibration board 12, be convenient for carry out the interception screening with unqualified granule, guarantee the quality of screening, the opposite one end of first vibration board 12 and second vibration board 23 corresponds each other with two collection material pipes 8 respectively, the buggy of first vibration board 12 and second vibration board 23 upper end all can fall to two collection material pipes 8 in, make things convenient for the buggy to pass through discharging pipe 7 and discharge.
In the utility model, when in use, the raw material enters into the grinding tank 1 through the feed hopper 3, the two driving motors 15 drive the two first grinding rollers 9 to rotate through the output shaft, so that the two first grinding rollers 9 drive the two driven wheels to rotate through the driving wheel and the transmission chain 17, the two driven wheels respectively drive the two second grinding rollers 10 to rotate, the raw material is ground under the rotating action of the two first grinding rollers 9 and the two second grinding rollers 10, the ground coal powder falls to the bottom in the grinding tank 1 and enters into the spiral conveying pipe 4, the coal powder is conveyed into the screening tank 2 under the action of the spiral conveying pipe 4, the vibrating motor 21 drives the second vibrating plate 23 to vibrate, so that the second vibrating plate 23 drives the first vibrating plate 12 to vibrate through the connecting plate 22, the first vibrating plate 12 and the second vibrating plate 23 are convenient to reset under the elastic action of the spring 13, and the influence of the vibrating force on the screening tank 2 can be reduced, under screen cloth 20's filtering action, can get rid of unqualified granule to qualified buggy falls to second vibration board 23 on, because the bottom in two silos all is the slope setting, the buggy of first vibration board 12 and second vibration board 23 upper end all can fall to two collection material intraductal, makes things convenient for the discharge of buggy.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel clean coal screening grinding mechanism for buggy production, includes grinding tank (1) and screening jar (2), its characterized in that: the grinding device is characterized in that a feed hopper (3) penetrates through and is fixed at the upper end of the grinding tank (1), fixed blocks (11) are fixed on opposite side walls in the grinding tank (1), two rotary grooves are formed in opposite sides of the fixed blocks (11), a grinding device is arranged in each rotary groove, a protection box (18) is fixed on one side of the grinding tank (1), a spiral conveying pipe (4) is connected to the lower end of the grinding tank (1), one end of each spiral conveying pipe (4) is connected to the upper end of the screening tank (2), mounting plates (14) are fixed on opposite side walls in the screening tank (2), two limiting grooves are formed in opposite sides of the mounting plates (14), four limiting rods (19) are fixed on opposite side walls in the limiting grooves together, a screening device is arranged on each limiting rod (19), and a vibration motor (21) is fixed at the lower end of the screening device, two sides of the screening tank (2) are respectively penetrated and fixed with two material collecting pipes (8), and two discharging pipes (7) are fixed at one ends of the material collecting pipes (8).
2. The novel clean coal screening and grinding mechanism for coal dust production as claimed in claim 1, is characterized in that: the grinding device comprises first grinding rollers (9) which are respectively and rotatably connected with the opposite side walls in two of the rotating grooves, the opposite side walls in the other two rotating grooves are rotatably connected with second grinding rollers (10), the two first grinding rollers (9) are respectively positioned at the upper ends of the two second grinding rollers (10), the distance between the two first grinding rollers (9) is greater than the distance between the two second grinding rollers (10), and the one end of two first grinding roller (9) and two second grinding roller (10) all runs through the one side of the one end lateral wall in grinding jar (1) and guard box (18) in proper order and extend to guard box (18) in, two first grinding roller (9) one end is all fixed the cover and is equipped with the action wheel, two second grinding roller (10) one end is all fixed the cover and is equipped with from the driving wheel, and the action wheel of same vertical side is connected through driving chain (17) transmission with from the driving wheel.
3. The novel clean coal screening and grinding mechanism for coal dust production as claimed in claim 1, is characterized in that: the screening device comprises a first vibrating plate (12) and a second vibrating plate (23) which are respectively sleeved on four limiting rods (19) on the same water surface, connecting plates (22) are fixed on two sides of the upper end of the second vibrating plate (23), the upper ends of the two connecting plates (22) are respectively fixed on two sides of the lower end of the first vibrating plate (12), the upper end of a vibrating motor (21) is fixed at the lower end of the second vibrating plate (23), the first vibrating plate (12) is located at the upper end of the second vibrating plate (23), springs (13) are sleeved on eight limiting rods (19), the lower ends of the eight springs (13) are respectively fixed on one end side wall in a limiting groove, the upper ends of the four springs (13) are respectively fixed at four corners of the lower end of the first vibrating plate (12), and the upper ends of the other four springs (13) are respectively fixed at four corners of the lower end of the second vibrating plate (, the upper end of first vibration board (12) and second vibration board (23) all is equipped with the silo, and the bottom in one of them silo is equipped with the opening, be fixed with screen cloth (20) jointly on the intraoral a week lateral wall of opening, screen cloth (20) with be located first vibration board (12), the opposite one end of first vibration board (12) and second vibration board (23) corresponds with two collection pipe (8) each other respectively.
4. The novel clean coal screening and grinding mechanism for coal dust production as claimed in claim 1, is characterized in that: the grinding device is characterized in that a bearing block (16) is fixed at the bottom in the protection box (18), two driving motors (15) are fixed at the upper ends of the bearing block (16), and the tail ends of output shafts of the two driving motors (15) are respectively fixed at one ends of the two first grinding rollers (9).
5. The novel clean coal screening and grinding mechanism for coal dust production as claimed in claim 3, is characterized in that: two the bottom in the silo all is the slope setting, and the incline direction of bottom is opposite setting in two silos.
6. The novel clean coal screening and grinding mechanism for coal dust production as claimed in claim 1, is characterized in that: the grinding device is characterized in that first bearing rods (5) are fixed at four corners of the lower end of the grinding tank (1), and second bearing rods (6) are fixed at four corners of the lower end of the screening tank (2).
7. The novel clean coal screening and grinding mechanism for coal dust production as claimed in claim 1, is characterized in that: the bottom in the grinding tank (1) is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921914643.1U CN210875508U (en) | 2019-11-08 | 2019-11-08 | Novel clean coal screening grinding mechanism for coal powder production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921914643.1U CN210875508U (en) | 2019-11-08 | 2019-11-08 | Novel clean coal screening grinding mechanism for coal powder production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210875508U true CN210875508U (en) | 2020-06-30 |
Family
ID=71330896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921914643.1U Expired - Fee Related CN210875508U (en) | 2019-11-08 | 2019-11-08 | Novel clean coal screening grinding mechanism for coal powder production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210875508U (en) |
-
2019
- 2019-11-08 CN CN201921914643.1U patent/CN210875508U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211125 Address after: 255400 1301, No. 818a, Linzi Avenue, Jixia street, Linzi District, Zibo City, Shandong Province Patentee after: SHANDONG MEISITE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 255400 No. 87 ethylene South Road, Linzi District, Shandong, Zibo Patentee before: Zibo Baxing industry and Trade Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |