CN206404889U - A kind of compound pulverizer mill of chemical industry - Google Patents
A kind of compound pulverizer mill of chemical industry Download PDFInfo
- Publication number
- CN206404889U CN206404889U CN201621262939.6U CN201621262939U CN206404889U CN 206404889 U CN206404889 U CN 206404889U CN 201621262939 U CN201621262939 U CN 201621262939U CN 206404889 U CN206404889 U CN 206404889U
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- rotating shaft
- chamber
- grinding chamber
- circulation pipe
- chemical industry
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Abstract
The utility model discloses a kind of compound pulverizer mill of chemical industry, including pulverizing chamber, crushing shaft, grinding chamber, main stone roller axle, point stone roller axle, the chamber that gathers materials, active sieve plate, vibrating motor, circulation pipe, dust suction pump and hair-dryer, feed hopper, first rotating shaft, crushing shaft and grinding chamber are disposed with the pulverizing chamber；Connector, split check valve, the second rotating shaft, main stone roller axle, flow distribution plate, the 3rd rotating shaft, the 4th rotating shaft, point stone roller axle, the chamber that gathers materials, active sieve plate, vibrating motor, circulation pipe, dust suction pump and hair-dryer are disposed with grinding chamber；Gather materials and be provided with movable pumping case in chamber.The utility model is crushed material using crushing shaft first, and then is pulverized by being distributed twice, can effectively improve material powders efficiency, coordinate the circulatory system by the particle cyclic process of not up to standard, utilization of materials is improved, increase vibrating motor drives powder sieving, improves production efficiency.
Description
Technical field
The utility model is related to a kind of grinder, specifically a kind of compound pulverizer mill of chemical industry.
Background technology
Grinding passes through lap tool and workpiece under a certain pressure relative using applying or be press-fitted the abrasive grain on lap tool
Move the finished machined carried out to finished surface（Such as machining）.Grinding can be used for processing various metals and nonmetallic materials,
The surface configuration of processing has plane, the inside and outside face of cylinder and circular conical surface, convex, concave spherical surface, screw thread, the flank of tooth and its alloytype face.Processing essence
Degree is up to IT5~IT01, and surface roughness is up to Ra0.63~0.01 micron., it is necessary to often to chemical industry in chemical process
Raw material is ground.
Existing general chemical industry grinder all only has the function of grinding, it is impossible to material is crushed, thus led
Cause grinding efficiency low, if it is larger-size, or even can not grind；Although common grinder has setting is multiple to grind
Mill, but be on same vertical plane, grinding efficiency raising is limited in the case that the state of material is not broken up again；
Existing device then re-grinds or abandoned, so influence for not having screened material all to unify to reclaim after grinding
The efficiency of work, while also having influence on the utilization rate of material.
The content of the invention
The purpose of this utility model is to provide a kind of chemical industry compound pulverizer mill, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical scheme：
A kind of compound pulverizer mill of chemical industry, including pulverizing chamber, crushing shaft, grinding chamber, main stone roller axle, point grind axle, gather materials
Chamber, active sieve plate, vibrating motor, circulation pipe, dust suction pump and hair-dryer, the pulverizing chamber upper end are connected with feed hopper, institute
State to be located between pulverizing chamber front and rear wall below the feed hopper and be connected with first rotating shaft, the first rotating shaft peripheral solder is set
Crushing shaft is equipped with, the pulverizing chamber lower end welding is provided with grinding chamber, between the grinding chamber upper end and the pulverizing chamber lower end
It is provided through in connector, the connector being provided with split check valve, grinding chamber front and rear sides wall is located at the company
Be provided with the second rotating shaft below interface, the second rotating shaft peripheral solder is provided with main stone roller axle, the grinding chamber front-rear side walls it
Between be located at below second rotating shaft be provided between flow distribution plate, the grinding chamber front-rear side walls be located at it is right below the flow distribution plate
Side is provided between the 3rd rotating shaft, the grinding chamber front-rear side walls is provided with the 4th rotating shaft positioned at the flow distribution plate lower left,
3rd rotating shaft and the 4th rotating shaft periphery welding is provided with a point stone roller axle, and the grinding chamber lower end, which is connected with, to gather materials
Chamber, the grinding chamber lower end and the chamber junction that gathers materials, which are horizontally disposed with, active sieve plate, and the active sieve plate lower end welding is set
It is equipped with vibrating motor, the chamber that gathers materials and is movably set with movable pumping case, on the downside of the grinding chamber right wall and pulverizing chamber right side
It is connected between on the downside of wall on circulation pipe, the circulation pipe and is connected with dust suction pump, the dust suction pump input and institute
Connection on the left of the connection of circulation pipe bottom, the dust suction pump output terminal and circulation pipe upper end connection, the grinding chamber is stated to set
There is hair-dryer, the hair-dryer output end is connected with the grinding chamber bottom, the hair-dryer output end and the circulation pipe
Lower end is oppositely arranged.
It is used as further program of the utility model：The first rotating shaft is symmetrically arranged with two, described first turn of right side
Axle is connected with motor.
It is used as further program of the utility model：Two crushing shaft peripheries are equipped with sawtooth, two crushing
Axle mutually agrees with.
It is used as further program of the utility model：The split check valve is by two relative one-directional rotation plectrum groups
Into two parts plectrum of the split check valve is connected with the connector left and right sides respectively by torsionspring.
It is used as further program of the utility model：Second rotating shaft is symmetrically arranged with two, described the second of right side
Rotating shaft is connected by the first rotating shaft on belt and right side.
It is used as further program of the utility model：3rd rotating shaft and the relatively described flow distribution plate pair of the 4th rotating shaft
Claim to set, the 3rd rotating shaft is identical with the 4th pivot structure, and the 3rd rotating shaft and the 4th rotating shaft have
Two, the 3rd rotating shaft and the 4th rotating shaft positioned at right side are connected by belt and the first rotating shaft.
It is used as further program of the utility model：The side of active sieve plate two has and the cavity edge phase contract of gathering materials
The chute of conjunction.
It is used as further program of the utility model：The vibrating motor power line is connected with fixed power source, described to shake
The vibration of high frequency slightly is presented after dynamic motor starting.
It is used as further program of the utility model：The circulation pipe connects the pulverizing chamber and the grinding chamber, described
Circulation pipe upper end is stretched into by the pulverizing chamber right wall and reached above the connector.
Compared with prior art, the beneficial effects of the utility model are：In use, material enters pulverizing chamber by feed hopper
It is interior, crushing shaft relatively rotate can cutting and grinding material, material makes split check valve be opened from middle part is relative after falling, such
Setting can be easy to material to pass through, while avoiding the dust produced during lower floor's materiel machining from kicking up has influence on production environment；Material
Fall in into grinding chamber between main stone roller axle, fall after pulverizing and shunted on flow distribution plate, material assigns to point stone roller axle table of both sides
Face continues to pulverize, and is so pulverized by two steps, can preferably by material powders, pulverize it is more efficient, while pass through shunting
Mode, powder accumulation can be avoided to have influence on and pulverize effect；Fall after grind on active sieve plate surface, Vibration on Start-up motor
The vibration of active sieve plate frequency low-amplitude is driven, so promotes the powder for reaching standard to enter movable pumping case quickly through active sieve plate
In, such setting can be improved by efficiency, effectively increase production capacity, it is to avoid powder accumulation；Active sieve plate surface some not
Powder particle up to standard, now starts dust suction pump and hair-dryer, and hair-dryer blows afloat the powder particle on active sieve plate surface, dust suction pump
Powder particle is discharged to above connector by circulation pipe inhalation of dust particle and by circulation pipe upper end, is so easy to thing
Expect secondary operation, it is to avoid the waste of material, improve raw material availability, while processing efficiency is also greatly improved.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the compound pulverizer mill of chemical industry.
Fig. 2 is a kind of structural representation of chemical industry split check valve in compound pulverizer mill.
Fig. 3 is a kind of structural representation of chemical industry active sieve plate in compound pulverizer mill.
In figure：1- pulverizing chambers, 2- feed hoppers, 3- first rotating shafts, 4- crushing shafts, 5- connectors, the split check valves of 6-, 7- is ground
Room is ground, the rotating shafts of 8- second, the main stone roller axles of 9-, 10- flow distribution plates, the rotating shafts of 11- the 3rd, the rotating shafts of 12- the 4th, 13- points of stone roller axles, 14- gathers materials
Chamber, 15- active sieve plates, 16- vibrating motors, 17- activity pumping cases, 18- circulation pipes, 19- dust suction pumps, 20- hair-dryers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer in Fig. 1~3, the utility model embodiment, a kind of compound pulverizer mill of chemical industry, including pulverizing chamber 1,
Crushing shaft 4, grinding chamber 7, main stone roller axle 9, point stone roller axle 13, the chamber 14 that gathers materials, active sieve plate 15, vibrating motor 16, circulation pipe 18, dust suction
Pump 19 and hair-dryer 20, the upper end of pulverizing chamber 1 are connected between feed hopper 2, the front and rear wall of pulverizing chamber 1 positioned at described
The lower section of feed hopper 2 is connected with first rotating shaft 3, and the first rotating shaft 3 is symmetrically arranged with two, the right side first rotating shaft 3
Motor is connected with, the first rotating shaft 3 can be rotated on the side wall of pulverizing chamber 1, the peripheral solder of first rotating shaft 3 is set
There is crushing shaft 4, two peripheries of crushing shaft 4 are equipped with sawtooth, and two crushing shafts 4 mutually agree with, and the crushing shaft 4 exists
The first rotating shaft 3 is driven under lower relative rotation, the material cutting and grinding that can fall the feed hopper 2, the pulverizing chamber 1
End welding is provided with grinding chamber 7, and connector 5, thing are provided through between the upper end of grinding chamber 7 and the lower end of the pulverizing chamber 1
Material is fallen after crushing by the connector 5, and split check valve 6, the split check valve are provided with the connector 5
6 are made up of two relative one-directional rotation plectrums, two parts plectrum of the split check valve 6 by torsionspring respectively and institute
The connection of the left and right sides of connector 5 is stated, described split two parts of check valve 6 are opened under the compressing of material by middle part, such energy
Enough unidirectionally to pass through material, it is to avoid falling in post-processing has dust to kick up influence environment, the front and rear sides wall of grinding chamber 7 is located at institute
State the lower section of connector 5 and be provided with the second rotating shaft 8, second rotating shaft 8 is symmetrically arranged with two, second rotating shaft 8 on right side
Connected by the first rotating shaft 3 on belt and right side, second rotating shaft 8 can be between the front-rear side walls of grinding chamber 7
Rotate, the first rotating shaft 3, which is rotated, drives right side second rotating shaft 8 to rotate, and the peripheral solder of the second rotating shaft 8 is provided with master
Axle 9 is ground, two main stone roller axle 9 edges mutually agree with, and the main stone roller axle 9 can turn relative after the material of crushing is fallen
Further pulverize between material, the front-rear side walls of grinding chamber 7 to be located at below second rotating shaft 8 during dynamic and be provided with shunting
Plate 10, the flow distribution plate 10 is the upward triangular prism in side, and material falls in the flow distribution plate 10 after the main stone roller axle 9 pulverizes
Surface, is diverted between both sides, the front-rear side walls of grinding chamber 7 by the flow distribution plate 10 and is located at the lower section of flow distribution plate 10 right side
Side is provided between the 3rd rotating shaft 11, the front-rear side walls of grinding chamber 7 is provided with the 4th positioned at the lower left of flow distribution plate 10
Rotating shaft 12, the relatively described flow distribution plate 10 of the 3rd rotating shaft 11 and the 4th rotating shaft 12 is symmetrical arranged, the 3rd rotating shaft 11
Identical with the structure of the 4th rotating shaft 12, the 3rd rotating shaft 11 and the 4th rotating shaft 12 have two, positioned at right side
The 3rd rotating shaft 11 and the 4th rotating shaft 12 connected by belt and the first rotating shaft 3, the 3rd rotating shaft 11
And the 4th rotating shaft 12 can be rotated between the front-rear side walls of grinding chamber 7, the 3rd rotating shaft 11 and described 4th turn
The welding of the periphery of axle 12 is provided with a point stone roller axle 13, and described point of the periphery of the 3rd rotating shaft 11 grinds axle 13 and the 4th rotating shaft 12
Described point of periphery, which grinds the equal edge of axle 13, mutually to be agreed with, and material falls after being shunted by the flow distribution plate 10 to be ground at described in left side points
It can be rolled on axle 13 and the described point of stone roller axle 13 on right side by secondary, result in and preferably pulverize effect, can obtain
Higher material powders, the lower end of grinding chamber 7 is connected with the chamber 14 that gathers materials, and the lower end of grinding chamber 7 and described gathers materials
The junction of chamber 14 is horizontally disposed active sieve plate 15, and described 15 liang of sides of active sieve plate have and the edge phase contract of chamber 14 of gathering materials
The chute of conjunction, the active sieve plate 15 movable can be extracted out and changed, and material falls in work after powdered in the grinding chamber 7
Sieved on dynamic sieve plate 15, reach that the powder of standard is fallen into the chamber 14 that gathers materials, the lower end of active sieve plate 15 welding is set
Vibrating motor 16 is equipped with, the power line of vibrating motor 16 is connected with fixed power source, the vibrating motor 16 is presented after starting
The vibration of high frequency slightly, the vibration of vibrating motor 16 drives the active sieve plate 15 to vibrate, and powder can be promoted to pass through, described
Gather materials and movable pumping case 17 is movably set with chamber 14, powder, which is fallen into the movable pumping case 17, to be easy to collect, and the grinding chamber 7 is right
Circulation pipe 18 is connected between on the downside of wall and on the downside of the right wall of the pulverizing chamber 1, the circulation pipe 18 connects the pulverizing chamber 1
With the grinding chamber 7, the upper end of circulation pipe 18 is stretched into by the right wall of pulverizing chamber 1 and reaches the top of connector 5,
Dust suction pump 19, the input of dust suction pump 19 and the circulation pipe 18 the bottom connection, institute are connected with the circulation pipe 18
The output end of dust suction pump 19 and the connection of the upper end of the circulation pipe 18 are stated, by the surface of active sieve plate 15 after the startup of dust suction pump 19
The particle for being difficult to sieve is sucked through the discharge of the upper end of circulation pipe 18, is so easy to powder second processing to pulverize, it is to avoid material wave
Take, improve processing efficiency, the left side of the grinding chamber 7 is connected with hair-dryer 20, the output end of hair-dryer 20 and described grind
The mill bottom of room 7 is connected, and the output end of hair-dryer 20 and the lower end of the circulation pipe 18 are oppositely arranged, and the hair-dryer 20 starts
The powder particle disengaging active sieve plate 15 that after-blow shortness of breath is entered on the active sieve plate 15 enters in the circulation pipe 18, improves
Powder using efficiency.
Operation principle of the present utility model is：In use, material is entered in pulverizing chamber 1 by feed hopper 2, the phase of crushing shaft 4
To rotate can cutting and grinding material, material makes split check valve 6 be opened from middle part is relative after falling, such setting can be just
Pass through in material, while avoiding the dust produced during lower floor's materiel machining from kicking up has influence on production environment；Material enters grinding chamber 7
Inside fall between main stone roller axle 9, fall after pulverizing and shunted on flow distribution plate 10, point stone roller axle 13 surface that material assigns to both sides is continued
Pulverize, so pulverized by two steps, can preferably by material powders, pulverize it is more efficient, while by way of shunting,
Powder accumulation can be avoided to have influence on and pulverize effect；Fall after grind on the surface of active sieve plate 15, the band of Vibration on Start-up motor 16
The vibration of the dynamic frequency low-amplitude of active sieve plate 15, so promotes the powder for reaching standard to be taken out quickly through active sieve plate 15 into activity
In box 17, such setting can be improved by efficiency, effectively increase production capacity, it is to avoid powder accumulation；The surface of active sieve plate 15
Some below standard powder particles, now start dust suction pump 19 and hair-dryer 20, and hair-dryer 20 blows afloat the surface of active sieve plate 15
Powder particle is discharged to company by powder particle, dust suction pump 19 by the inhalation of dust particle of circulation pipe 18 and by the upper end of circulation pipe 18
The top of interface 5, is so easy to material secondary operation, it is to avoid the waste of material, improves raw material availability, while processing effect
Rate is also greatly improved.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (9)
1. a kind of compound pulverizer mill of chemical industry, including pulverizing chamber, crushing shaft, grinding chamber, main stone roller axle, point grind axle, the chamber that gathers materials,
Active sieve plate, vibrating motor, circulation pipe, dust suction pump and hair-dryer, it is characterised in that the pulverizing chamber upper end be connected with into
It is located between hopper, the pulverizing chamber front and rear wall below the feed hopper and is connected with outside first rotating shaft, the first rotating shaft
Weld all around, which connects, is provided with crushing shaft, and the pulverizing chamber lower end welding is provided with grinding chamber, the grinding chamber upper end and the pulverizing chamber
It is provided through in connector, the connector being provided with split check valve, grinding chamber front and rear sides wall position between lower end
The second rotating shaft is provided with below the connector, the second rotating shaft peripheral solder is provided with before main stone roller axle, the grinding chamber
It is located to be provided between flow distribution plate, the grinding chamber front-rear side walls below second rotating shaft between rear wall and is located at the shunting
Plate lower right is provided between the 3rd rotating shaft, the grinding chamber front-rear side walls is provided with positioned at the flow distribution plate lower left
Four rotating shafts, the 3rd rotating shaft and the 4th rotating shaft periphery welding is provided with a point stone roller axle, and the grinding chamber lower end connection is set
The chamber that gathers materials is equipped with, the grinding chamber lower end and the chamber junction that gathers materials, which are horizontally disposed with, to be had under active sieve plate, the active sieve plate
End welding, which is provided with vibrating motor, the chamber that gathers materials, is movably set with movable pumping case, on the downside of the grinding chamber right wall and described
It is connected between on the downside of pulverizing chamber right wall on circulation pipe, the circulation pipe and is connected with dust suction pump, the dust suction pump is defeated
Enter on the left of end and circulation pipe bottom connection, the dust suction pump output terminal and circulation pipe upper end connection, the grinding chamber
Hair-dryer is connected with, the hair-dryer output end is connected with the grinding chamber bottom, the hair-dryer output end and institute
Circulation pipe lower end is stated to be oppositely arranged.
2. the compound pulverizer mill of a kind of chemical industry according to claim 1, it is characterised in that the first rotating shaft is symmetrical
Two are provided with, the right side first rotating shaft is connected with motor.
3. the compound pulverizer mill of a kind of chemical industry according to claim 1, it is characterised in that outside two crushing shafts
Enclose and be equipped with sawtooth, two crushing shafts mutually agree with.
4. the compound pulverizer mill of a kind of chemical industry according to claim 1, it is characterised in that the split check valve by
Two relative one-directional rotation plectrums compositions, two parts plectrum of the split check valve by torsionspring respectively with the company
The interface left and right sides is connected.
5. the compound pulverizer mill of a kind of chemical industry according to claim 1, it is characterised in that second rotating shaft is symmetrical
Two are provided with, second rotating shaft on right side is connected by the first rotating shaft on belt and right side.
6. the compound pulverizer mill of a kind of chemical industry according to claim 1, it is characterised in that the 3rd rotating shaft and institute
State the relatively described flow distribution plate of the 4th rotating shaft to be symmetrical arranged, the 3rd rotating shaft is identical with the 4th pivot structure, described
3rd rotating shaft and the 4th rotating shaft have two, and the 3rd rotating shaft and the 4th rotating shaft positioned at right side pass through belt
With first rotating shaft connection.
7. a kind of compound pulverizer mill of chemical industry according to claim 1, it is characterised in that the active sieve plate both sides
The chute that Bian Junyou mutually agrees with the cavity edge that gathers materials.
8. a kind of compound pulverizer mill of chemical industry according to claim 1, it is characterised in that the vibrating motor power supply
Line is connected with fixed power source, and the vibration of high frequency slightly is presented in the vibrating motor after starting.
9. the compound pulverizer mill of a kind of chemical industry according to claim 1, it is characterised in that the circulation pipe connects institute
Pulverizing chamber and the grinding chamber are stated, the circulation pipe upper end is stretched into and reached on the connector by the pulverizing chamber right wall
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262939.6U CN206404889U (en) | 2016-11-24 | 2016-11-24 | A kind of compound pulverizer mill of chemical industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262939.6U CN206404889U (en) | 2016-11-24 | 2016-11-24 | A kind of compound pulverizer mill of chemical industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206404889U true CN206404889U (en) | 2017-08-15 |
Family
ID=59548774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621262939.6U Expired - Fee Related CN206404889U (en) | 2016-11-24 | 2016-11-24 | A kind of compound pulverizer mill of chemical industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206404889U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108295956A (en) * | 2018-01-24 | 2018-07-20 | 吴晓丽 | A kind of high-efficiency grinder |
| CN108355764A (en) * | 2018-04-27 | 2018-08-03 | 安庆泽远化工有限公司 | A kind of industrial chemicals fining production method |
| CN108579911A (en) * | 2018-04-27 | 2018-09-28 | 安庆泽远化工有限公司 | A kind of industrial chemicals fining production system |
| CN110669881A (en) * | 2019-10-02 | 2020-01-10 | 华北理工大学 | Energy-saving and environment-friendly blast furnace slag treatment equipment |
| CN110773286A (en) * | 2019-09-29 | 2020-02-11 | 北京中森国际工程咨询有限责任公司 | Gardens leaf recovery unit |
| CN111298905A (en) * | 2020-03-23 | 2020-06-19 | 长沙宁湖机械设备有限公司 | Self-adaptive bidirectional rotor ball mill |
| CN112246407A (en) * | 2020-10-16 | 2021-01-22 | 中铁隧道局集团有限公司 | Device capable of producing abrasive materials with different particle sizes |
| CN113457796A (en) * | 2021-06-30 | 2021-10-01 | 孔宪明 | Medicinal material grinding device for bio-pharmaceuticals |
-
2016
- 2016-11-24 CN CN201621262939.6U patent/CN206404889U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108295956A (en) * | 2018-01-24 | 2018-07-20 | 吴晓丽 | A kind of high-efficiency grinder |
| CN108355764A (en) * | 2018-04-27 | 2018-08-03 | 安庆泽远化工有限公司 | A kind of industrial chemicals fining production method |
| CN108579911A (en) * | 2018-04-27 | 2018-09-28 | 安庆泽远化工有限公司 | A kind of industrial chemicals fining production system |
| CN108355764B (en) * | 2018-04-27 | 2020-02-18 | 上海福美泰生物科技有限公司 | Fine production method of chemical raw materials |
| CN108579911B (en) * | 2018-04-27 | 2020-05-19 | 浙江物美生物科技有限公司 | Chemical raw material refined production system |
| CN110773286A (en) * | 2019-09-29 | 2020-02-11 | 北京中森国际工程咨询有限责任公司 | Gardens leaf recovery unit |
| CN110669881A (en) * | 2019-10-02 | 2020-01-10 | 华北理工大学 | Energy-saving and environment-friendly blast furnace slag treatment equipment |
| CN111298905A (en) * | 2020-03-23 | 2020-06-19 | 长沙宁湖机械设备有限公司 | Self-adaptive bidirectional rotor ball mill |
| CN111298905B (en) * | 2020-03-23 | 2021-10-19 | 平顶山天瑞姚电水泥有限公司 | Self-adaptive bidirectional rotor ball mill |
| CN112246407A (en) * | 2020-10-16 | 2021-01-22 | 中铁隧道局集团有限公司 | Device capable of producing abrasive materials with different particle sizes |
| CN113457796A (en) * | 2021-06-30 | 2021-10-01 | 孔宪明 | Medicinal material grinding device for bio-pharmaceuticals |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20181124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |