CN209222223U - Pulverizer for sodium trimetaphosphate material block piece - Google Patents
Pulverizer for sodium trimetaphosphate material block piece Download PDFInfo
- Publication number
- CN209222223U CN209222223U CN201821948231.5U CN201821948231U CN209222223U CN 209222223 U CN209222223 U CN 209222223U CN 201821948231 U CN201821948231 U CN 201821948231U CN 209222223 U CN209222223 U CN 209222223U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- grinding
- box
- fixed
- push plate
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title claims abstract description 29
- UGTZMIPZNRIWHX-UHFFFAOYSA-K sodium trimetaphosphate Chemical compound [Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 UGTZMIPZNRIWHX-UHFFFAOYSA-K 0.000 title claims abstract description 23
- 238000000227 grinding Methods 0.000 claims abstract description 75
- 238000003306 harvesting Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 210000000515 tooth Anatomy 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 13
- 239000000843 powder Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012216 screening Methods 0.000 abstract description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 abstract description 3
- 239000001488 sodium phosphate Substances 0.000 abstract description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 abstract description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229930003268 Vitamin C Natural products 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- AZSFNUJOCKMOGB-UHFFFAOYSA-K cyclotriphosphate(3-) Chemical compound [O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 AZSFNUJOCKMOGB-UHFFFAOYSA-K 0.000 description 1
- 235000019820 disodium diphosphate Nutrition 0.000 description 1
- GYQBBRRVRKFJRG-UHFFFAOYSA-L disodium pyrophosphate Chemical compound [Na+].[Na+].OP([O-])(=O)OP(O)([O-])=O GYQBBRRVRKFJRG-UHFFFAOYSA-L 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model discloses the pulverizers for sodium trimetaphosphate material block piece, including crushing motor, mounting rack, first cylinder, second cylinder, grind case, mixing roll, crush box, telescoping tube, second push plate, 4th cylinder, vibrating motor, sieve, screen box and Material collecting box for harvesting, the present apparatus drives grinding gear to rotate using motor is crushed, it is connected using being engaged between each grinding gear, raw material is crushed, screen box is driven to shake using vibrating motor, to be screened to raw material, push the second push plate that the incongruent raw material of granularity is imported grinding case using the 4th cylinder, mixing roll whereabouts is driven to be pressed on grinding case using the second cylinder, raw material is ground, the first push plate is driven to introduce a material into inside Material collecting box for harvesting using third cylinder, the utility model can crush raw material, screening, subsequent grinding, guarantee that produce three is inclined The quality of sodium phosphate powder, production efficiency is more preferable, and practicability is more preferable.
Description
Technical field
The utility model relates to a kind of sodium trimetaphosphate manufacture fields, are particularly used for the crushing of sodium trimetaphosphate material block piece
Machine.
Background technique
Sodium trimetaphosphate is the critically important material of chemical industry, is industrially had many uses, especially vitamin C be esterified,
In the reaction process such as starch esterification.Field of fine chemical requires the sodium trimetaphosphate of high-purity, it is desirable that its water-insoluble is less than
0.1%.The preparation of traditional sodium trimetaphosphate is by sodium orthophosphate via intermediate product, and mainly Sodium Acid Pyrophosphate adds
Heat, generates the reactant containing trimetaphosphate ingredient, and this reactant is often mingled with polyphosphate not soluble in water.Than
Hexa metaphosphoric acid sodium raw materials are preferably prepared into the sodium trimetaphosphate block material of high-purity at a suitable temperature.
The sodium trimetaphosphate used on the market is generally powdered, so the raw material filled to block piece is needed to crush, but
It is to need in addition to increase screening installation without screening function in the disintegrating apparatus used on the market to work, working efficiency
It is low.
Utility model content
The purpose of this utility model is to provide the pulverizers for sodium trimetaphosphate material block piece, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions:
For the pulverizer of sodium trimetaphosphate material block piece, including crushes motor, mounting rack, the first cylinder, the second cylinder, grinds
Tumbling barrel, the first push plate, third cylinder, fixed frame, mixing roll, feed hopper, grinding gear group, crush box, telescoping tube, second push away
Plate, the 4th cylinder, vibrating motor, sieve, screen box and Material collecting box for harvesting, the feed inlet and feed hopper that the crush box top surface middle part opens up
Bottom is fixedly connected, and upper and lower part is respectively provided with a grinding gear group, the grinding gear group the inside inside the crush box
There are three grinding gear, the shaft of grinding gear front-end and back-end is separately fixed on the inner wall of crush box front and back and opens
If groove inside, it is most left inside the crush box inside the grinding gear group on top inside the inner ring of fixed fixing bearing
The shaft of the grinding gear front end of side is passed through through crush box front, is stretched out inside crush box, and the shaft of the grinding gear is stretched
It is socketed with gear in outlet, the gear and crushing is connected between the gear being socketed in the shaft of motor with chain, the crushing
Motor is fixed on crush box left side top position, is fixedly connected at the top of the crushing box bottom and telescoping tube, the telescoping tube bottom
Opened up in the middle part of portion and screen box top surface feed inlet connect, sieve, the screen box the inside are equipped at screen box bottom base panel position
Right side is equipped with the second push plate, and square through hole is offered on the left of the screen box, is equipped with first at the square through hole position of the screen box
Sealing plate, the screen box right side central are transversely provided with the 4th cylinder, the piston rod of the 4th cylinder passed through on the right side of screen box and
Second push plate right side central is fixedly connected, and the 4th cylinder is arranged right below vibrating motor, the working end of the vibrating motor
It is fixedly connected with screen box right side, the screen box left bottom is fixedly connected with grinding case right hand top, and grinding case is fixed on installation
Plate top surface one end of frame, the L-shaped setting of mounting rack, the grinding case two sides symmetrically open up square through hole, the grinding
It is equipped with the second sealing plate at square through hole position on the right side of case, is equipped with first at the square through hole position on the left of the grinding case and pushes away
Plate, the first push plate outside middle part are fixedly connected with the piston rod for the third cylinder being laterally arranged, third cylinder one end
It is fixed in the vertical plate of mounting rack, longitudinal inside the grinding case to be equipped with mixing roll, the mixing roll front and back turns
Axis is fixedly connected with the inner ring of the fixing bearing of fixed frame bottom installation respectively, is separately fixed at installation at the top of two fixed frames
Board bottom face both ends, the installation plate top surface middle part are fixedly connected with the piston rod of the second cylinder, and the top of second cylinder is solid
First cylinder one end on the movable block of the first cylinder is scheduled on to be fixed in the vertical plate of mounting rack.
As a further solution of the present invention: the bottom surface of second push plate and the contact of sieve top surface, described second
The length of push plate is equal to the distance between screen box front and back inner wall.
First cylinder is rodless cylinder as a further solution of the present invention,.
Compared with prior art, the utility model has the beneficial effects that the present apparatus drives grinding gear using motor is crushed
Rotation is connected using engaging between each grinding gear, is crushed to raw material, the raw material crushed enters sieve through telescoping tube
Case drives screen box to shake using vibrating motor, and the sodium trimetaphosphate powder for meeting granularity is fallen through sieve, to sieve to it
Choosing is pushed the second push plate that the incongruent raw material of granularity is imported grinding case, is driven later using the first cylinder using the 4th cylinder
Second cylinder moves left and right, so that mixing roll be driven to move left and right, drives mixing roll whereabouts to be pressed in grinding case using the second cylinder
On, raw material is ground during mixing roll moves left and right, drives the first push plate using third cylinder after the completion of grinding
It introduces a material into inside Material collecting box for harvesting, the utility model can crush raw material, screen, subsequent grinding, guarantee the three of production partially
The quality of sodium phosphate powder, production efficiency is more preferable, and practicability is more preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the pulverizer for sodium trimetaphosphate material block piece.
Fig. 2 is the structural schematic diagram that top view is arranged for grinding gear group in the pulverizer of sodium trimetaphosphate material block piece.
In figure: crushing motor 1, mounting rack 2, the first cylinder 3, the second cylinder 4, grinding case 5, the first push plate 6, third cylinder
7, fixed frame 8, mixing roll 9, feed hopper 10, grinding gear group 11, crush box 12, telescoping tube 13, the second push plate 14, the 4th cylinder
15, vibrating motor 16, sieve 17, screen box 18 and Material collecting box for harvesting 19.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to Fig. 1~2, in the utility model embodiment, for the pulverizer of sodium trimetaphosphate material block piece, including crushes
Motor 1, mounting rack 2, the first cylinder 3, the second cylinder 4, grinding case 5, the first push plate 6, third cylinder 7, fixed frame 8, mixing roll
9, feed hopper 10, grinding gear group 11, crush box 12, telescoping tube 13, the second push plate 14, the 4th cylinder 15, vibrating motor 16, sieve
Net 17, screen box 18 and Material collecting box for harvesting 19, the feed inlet that 12 top surface of the crush box middle part opens up are fixedly connected with 10 bottom of feed hopper,
The 12 the inside upper and lower part of crush box is respectively provided with a grinding gear group 11, two engagement connections of grinding gear group 11, institute
11 the inside of grinding gear group is stated there are three grinding gear, the height of three grinding gears from left to right successively reduces, three crushing
Connection is intermeshed between gear, grinding gear level is longitudinally disposed, and the shaft of grinding gear front-end and back-end is separately fixed at
Inside the groove opened up on the inner wall of 12 front and back of crush box, inside the inner ring of fixed fixing bearing, the crush box
11 the inside of grinding gear group of 12 the insides top, the shaft of the grinding gear front end of the leftmost side are passed through through 12 front of crush box, are stretched
Out inside crush box 12, gear, the gear and turn for crushing motor 1 are socketed on the extension end of the shaft of the grinding gear
It is connected between the gear being socketed on axis with chain, the crushing motor 1 is fixed on 12 left side top position of crush box, the powder
Broken 12 the inside grinding gear group left and right side of case is one millimeter at a distance from 12 left and right side inner wall of crush box, the powder
Broken 12 bottom of case is round table-like in setting, and 12 bottom of crush box does not set bottom plate, 12 bottom of crush box and telescoping tube 13
Top is fixedly connected, and the telescoping tube 13 is vertically arranged.
Opened up in the middle part of 13 bottom of telescoping tube and 18 top surface of screen box feed inlet connects, the 18 bottom base panel position of screen box
It sets place and is equipped with sieve 17, the sieve 17 is made of stainless steel web plate, and the 18 the inside right side of screen box is equipped with the second push plate
14, the bottom surface of second push plate 14 and the contact of 17 top surface of sieve, the length of second push plate 14 be equal to 18 front of screen box and
The distance between back side inner wall drives the second cylinder 4 to move left and right using the first cylinder 3, so that mixing roll 9 or so be driven to move
It is dynamic, drive the whereabouts of mixing roll 9 to be pressed on grinding case 5 using the second cylinder 4, to raw material during mixing roll 9 moves left and right
It is ground, is offered on the left of the screen box 18 and 14 horizontal symmetrical of the second push plate, the identical square through hole of size, the screen box
The first sealing plate is equipped at 18 square through hole position, 18 right side central of screen box is transversely provided with the 4th cylinder 15, and described the
The piston rod of four cylinders 15 is fixedly connected through passing through on the right side of screen box 18 with 14 right side central of the second push plate, 15 bottom of the 4th cylinder
Portion is fixed on a cradle top surface, and the 4th cylinder 15 is arranged right below vibrating motor 16, the work of the vibrating motor 16
It holds and is fixedly connected on the right side of screen box 18,18 left bottom of screen box is fixedly connected with grinding 5 right hand top of case, the grinding case
The longitudinal length of 5 longitudinal length and screen box 18 is equal, and grinding case 5 is fixed on plate top surface one end of mounting rack 2, the installation
The L-shaped setting of frame 2,2 bottom surface of mounting rack are equipped with supporting leg, and the supporting leg bottom surface and cradle bottom surface flush, the supporting leg and branch
Material collecting box for harvesting 19 is equipped between frame.
5 two sides of grinding case symmetrically open up square through hole, the length of the square through hole of the grinding case 5, with grinding case 5
The distance between front and back inner wall is equal, is equipped with the second sealing plate, institute at the square through hole position on 5 right side of grinding case
It states and is equipped with the first push plate 6 at the square through hole position in grinding case 5 left side, the outer middle side part of first push plate 6 and be laterally arranged
The piston rod of third cylinder 7 is fixedly connected, and described 7 one end of third cylinder is fixed in the vertical plate of mounting rack 2, the grinding case
5 the insides are longitudinal to be equipped with mixing roll 9, horizontal longitudinally disposed, the end of the shaft of 9 front and back of mixing roll of the mixing roll 9
Face, the distance away from grinding 5 front and back inner wall of case are one millimeter, and the shaft of 9 front and back of mixing roll is respectively and solid
The inner ring for determining the fixing bearing of 8 bottom of frame installation is fixedly connected, and is separately fixed at mounting plate bottom surface two at the top of two fixed frames 8
End, the mounting plate and fixed frame 8 are integrally formed, and the piston rod of installation plate top surface middle part and the second cylinder 4 is fixed to be connected
It connects, the top of second cylinder 4 is fixed on the movable block of the first cylinder 3,3 horizontal cross of the first cylinder setting, institute
Stating the first cylinder 3 is rodless cylinder, and described first cylinder, 3 one end is fixed in the vertical plate of mounting rack 2, the mounting rack 2
It is fixedly connected between vertical plate top and crush box 12 with fixed link.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (7)
1. being used for the pulverizer of sodium trimetaphosphate material block piece, including crush motor, mounting rack, the first cylinder, the second cylinder, grinding
Case, the first push plate, third cylinder, fixed frame, mixing roll, feed hopper, grinding gear group, crush box, telescoping tube, the second push plate,
4th cylinder, vibrating motor, sieve, screen box and Material collecting box for harvesting, which is characterized in that the feed inlet opened up in the middle part of the crush box top surface
It is fixedly connected with feeding funnel bottom part, upper and lower part is respectively provided with a grinding gear group, two crushing tooths inside the crush box
The engagement connection of wheel group, there are three grinding gears for the grinding gear group the inside, and the height of three grinding gears from left to right is successively
It reduces, connection is intermeshed between three grinding gears, grinding gear level is longitudinally disposed, and grinding gear front-end and back-end turn
Axis is separately fixed inside the groove opened up on the inner wall of crush box front and back, inside the inner ring of fixed fixing bearing,
Inside the crush box inside the grinding gear group on top, the shaft of the grinding gear front end of the leftmost side is worn through crush box front
It crosses, stretches out inside crush box, gear, the gear and crushing motor are socketed on the extension end of the shaft of the grinding gear
It is connected between the gear being socketed in shaft with chain, the crushing motor is fixed on crush box left side top position, the crushing
Bottom portion is round table-like in setting, and the crushing box bottom does not set bottom plate, fixed company at the top of the crushing box bottom and telescoping tube
Connect, opened up in the middle part of the flexible bottom of the tube and screen box top surface feed inlet connects；
Sieve is equipped at screen box bottom base panel position, right side is equipped with the second push plate, the screen box left side inside the screen box
It offers and is equipped with first at the square through hole position of the screen box with the second push plate horizontal symmetrical, size identical square through hole
Sealing plate, the screen box right side central are transversely provided with the 4th cylinder, the piston rod of the 4th cylinder passed through on the right side of screen box and
Second push plate right side central is fixedly connected, and the 4th cylinder bottom is fixed on a cradle top surface, the 4th cylinder just under
Side is equipped with vibrating motor, is fixedly connected on the right side of the working end of the vibrating motor and screen box, the screen box left bottom and grinding
Case right hand top is fixedly connected, and grinding case is fixed on plate top surface one end of mounting rack, and the L-shaped setting of mounting rack is described
Mounting rack bottom surface is equipped with supporting leg, and the supporting leg bottom surface and cradle bottom surface flush, and Material collecting box for harvesting, institute are equipped between the supporting leg and bracket
It states grinding case two sides and symmetrically opens up square through hole, be equipped with the second sealing plate, institute at the square through hole position on the right side of the grinding case
It states and is equipped with the first push plate at the square through hole position on the left of grinding case, the third being arranged in the middle part of first push plate outside and laterally
The piston rod of cylinder is fixedly connected, and third cylinder one end is fixed in the vertical plate of mounting rack, vertical inside the grinding case
To be equipped with mixing roll, the mixing roll level is longitudinally disposed, the shaft of the mixing roll front and back, respectively with fixed frame bottom
The inner ring of the fixing bearing of portion's installation is fixedly connected, and is separately fixed at mounting plate bottom surface both ends, the peace at the top of two fixed frames
Loading board and fixed frame are integrally formed, and are fixedly connected in the middle part of the installation plate top surface with the piston rod of the second cylinder, second gas
It is fixed at the top of cylinder on the movable block of the first cylinder, the first cylinder horizontal cross setting, first cylinder is no bar
Cylinder, first cylinder one end are fixed in the vertical plate of mounting rack, the vertical plate top of the mounting rack and crush box it
Between be fixedly connected with fixed link.
2. the pulverizer according to claim 1 for sodium trimetaphosphate material block piece, which is characterized in that in the crush box
Face top grinding gear group left and right side is one millimeter at a distance from crush box left and right side inner wall.
3. the pulverizer according to claim 1 for sodium trimetaphosphate material block piece, which is characterized in that the sieve be by
Stainless steel web plate is made.
4. the pulverizer according to claim 1 for sodium trimetaphosphate material block piece, which is characterized in that second push plate
Bottom surface and the contact of sieve top surface, the length of second push plate be equal to the distance between screen box front and back inner wall.
5. the pulverizer according to claim 1 for sodium trimetaphosphate material block piece, which is characterized in that the grinding case
The longitudinal length of longitudinal length and screen box is equal.
6. the pulverizer according to claim 1 for sodium trimetaphosphate material block piece, which is characterized in that the grinding case
The length of square through hole, the distance between grinding case front and back inner wall are equal.
7. the pulverizer according to claim 1 for sodium trimetaphosphate material block piece, which is characterized in that the mixing roll is just
The end face of the shaft in face and the back side, the distance away from grinding case front and back inner wall are one millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821948231.5U CN209222223U (en) | 2018-11-23 | 2018-11-23 | Pulverizer for sodium trimetaphosphate material block piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821948231.5U CN209222223U (en) | 2018-11-23 | 2018-11-23 | Pulverizer for sodium trimetaphosphate material block piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209222223U true CN209222223U (en) | 2019-08-09 |
Family
ID=67504389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821948231.5U Expired - Fee Related CN209222223U (en) | 2018-11-23 | 2018-11-23 | Pulverizer for sodium trimetaphosphate material block piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209222223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691749A (en) * | 2020-12-08 | 2021-04-23 | 胡田 | Waste recovery device for brake processing |
-
2018
- 2018-11-23 CN CN201821948231.5U patent/CN209222223U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691749A (en) * | 2020-12-08 | 2021-04-23 | 胡田 | Waste recovery device for brake processing |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 |