CN107520023B - A kind of flexible base board scraps processing system and method - Google Patents
A kind of flexible base board scraps processing system and method Download PDFInfo
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- CN107520023B CN107520023B CN201710708564.4A CN201710708564A CN107520023B CN 107520023 B CN107520023 B CN 107520023B CN 201710708564 A CN201710708564 A CN 201710708564A CN 107520023 B CN107520023 B CN 107520023B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
- B02C19/186—Use of cold or heat for disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
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- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
- Disintegrating Or Milling (AREA)
Abstract
Processing system and method are scrapped the present invention relates to a kind of flexible base board, to solve the problems, such as that the design of conventional breakers was not suitable for flexible base board scraps processing.The system includes: cooling system, for carrying out cooling processing to flexible base board, makes the temperature of flexible base board lower than the first preset temperature；Write-off equipment, for carrying out Mechanical Crushing processing to cooling treated flexible base board；Wherein, the first preset temperature is the minimum brittle temperature of flexible base material in flexible base board.Since flexible base material is brittle in flexible base board after cooling, the whole brittleness of flexible base board increases, it is handled again using Mechanical Crushing processing mode, it is then easy to make flexible base board fragmentation, flexible base board waste material after fragmentation does not bond, and can be detached from from equipment naturally, without the processing of other auxiliary equipment, it is scratched when can shorten the time for scrapping processing each time, and flexible base board can be sent to enter write-off equipment again to avoid subsequent movement equipment by remaining waste material.
Description
Technical field
The present invention relates to display base plate scrap processing technology field more particularly to a kind of flexible base board scrap processing system
System and method.
Background technique
Currently, Flexible Displays are the nascent technology of display industry, but there is no corresponding for the flexible base board for having scrapped
Treating method, for AMOLED flexibility producing line, conventional breakers manufacturer be difficult solve flexible base board processing of scrapping ask
Topic, the design of general conventional breakers remain in the processing mode to rigid substrates, i.e., using Mechanical Crushing mode to soft
Property substrate carry out pulverization process, however, this Mechanical Crushing mode to be coated with Kapton flexible base board and be not suitable for,
Simple mechanical treatment occurs after being crushed, and the flexible base board of bonding is easy to card knot in equipment, cannot be automatically completely from equipment
It is detached from, needs manually to handle, it is longer to expend the time, and be difficult that it is completely broken.Therefore, it is necessary to propose a kind of needle
Treatment process is scrapped to flexible base board.
Summary of the invention
Processing system and method are scrapped the object of the present invention is to provide a kind of flexible base board, it is broken to solve tradition at present
The design of broken machine is not suitable for the problem of scrapping processing of flexible base board.
A kind of flexible base board provided in an embodiment of the present invention scraps processing system, the system comprises: cooling system and
Write-off equipment；
The cooling system makes the temperature of the flexible base board lower than first for carrying out cooling processing to flexible base board
Preset temperature；
The write-off equipment, for treated that the flexible base board carries out Mechanical Crushing processing to cooling；
Wherein, first preset temperature is the minimum brittle temperature of flexible base material in the flexible base board.
Preferably, the system also includes: at least one mobile device；
The mobile device, for that will cool down that treated, the flexible base board will be moved in the write-off equipment.
Preferably, the cooling system includes: cooling chamber and air supply source；
The cooling chamber, for holding the flexible base board for carrying out cooling processing；
The air supply source, for providing the gas for carrying out cooling processing for cooling chamber.
Preferably, the cooling chamber includes: first chamber and second chamber；Wherein,
The first chamber drops the temperature of the flexible base board gradually for carrying out pre- cooling processing to flexible base board
As low as the second preset temperature；
The second chamber makes described for pre- cooling, treated that the flexible base board continues cooling processing
The temperature of flexible base board is not higher than first preset temperature in preset duration；
Wherein, second preset temperature is higher than first preset temperature.
Preferably, the second chamber further include: the immersion chamber that can be sealed, and be arranged in the immersion chamber
Liquefied gas；
The immersion chamber, for impregnating pre- cooling treated the flexible base board, to the flexible base board continue into
Row cooling processing；
The air supply source further include: gas liquefaction system；
The gas liquefaction system, the gas for will export in the air supply source carry out liquefaction processing, and will be at liquefaction
The liquefied gas obtained after reason is conveyed to the immersion chamber.
Preferably, the system also includes: the first barrier door, the second barrier door and third barrier door；Wherein,
The first barrier door, for open when as make the flexible base board enter the first chamber channel,
Make the first chamber in sealing state when closed；
The second barrier door, for described as the flexible base board is moved to from the first chamber when opening
Channel in second chamber makes the first chamber and the second chamber in sealing state when closed；
The third barrier door, for described as the flexible base board is moved to from the second chamber when opening
Channel in write-off equipment makes the second chamber in sealing state when closed.
Preferably, the system also includes: the waste tank below the write-off equipment is set；
The waste tank, for holding the flexible base board waste material fallen after the Mechanical Crushing processing.
Processing method is scrapped the embodiment of the invention also provides a kind of flexible base board, which comprises
Cooling processing is carried out to flexible base board, makes the temperature of the flexible base board lower than the first preset temperature；
To cooling, treated that the flexible base board carries out Mechanical Crushing processing；
Wherein, first preset temperature is the minimum brittle temperature of flexible base material in the flexible base board.
Preferably, described carry out cooling processing to flexible base board, comprising:
Pre- cooling processing is carried out to flexible base board, the temperature of the flexible base board is made to be gradually lowered to the second preset temperature；
To pre- cooling, treated that the flexible base board continues cooling processing, makes the temperature of the flexible base board pre-
If being lower than first preset temperature in duration；
Wherein, second preset temperature is higher than first preset temperature.
Preferably, the gas for carrying out the cooling processing includes one of the following or combination:
Hydrogen, helium and nitrogen.
The present invention has the beneficial effect that:
Flexible base board provided in an embodiment of the present invention scraps processing system and method, can first pass through cooling system to soft
Property substrate carry out cooling processing, so that the temperature of flexible base board is lower than the minimum brittle temperature of flexible base material, cooling processing
Afterwards, then to flexible base board Mechanical Crushing processing is carried out.It is flexible since flexible base material is brittle in flexible base board after cooling
The whole brittleness of substrate increases, then is handled using Mechanical Crushing processing mode, then is easy to make flexible base board fragmentation, fragmentation
Flexible base board waste material afterwards does not bond, and can be detached from from equipment naturally, without the processing of other auxiliary equipment, can contract
The short time for scrapping processing each time, and flexible base board can be sent to enter write-off equipment again to avoid subsequent movement equipment when, is residual
The waste material stayed scratches.
Detailed description of the invention
Fig. 1 is the basic structure schematic diagram for scrapping processing system of flexible base board provided in an embodiment of the present invention；
Fig. 2 be it is provided in an embodiment of the present invention include two cooling chamber the structural schematic diagram for scrapping processing system；
Fig. 3 is the overall structure diagram for scrapping processing system of flexible base board provided in an embodiment of the present invention；
Fig. 4 is the flow chart for scrapping processing method of flexible base board provided in an embodiment of the present invention；
Fig. 5 is the method flow diagram provided in an embodiment of the present invention that cooling processing is carried out to flexible base board.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, is not whole embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Wherein, the size and shape of structure does not reflect its actual proportions in attached drawing, and purpose is the schematically illustrate present invention
Content.
As shown in Figure 1, be the basic structure schematic diagram for scrapping processing system of flexible base board provided in an embodiment of the present invention,
The system includes: cooling system 1 and write-off equipment 2；
Cooling system 1 makes the temperature of flexible base board lower than the first default temperature for carrying out cooling processing to flexible base board 3
Degree；
Write-off equipment 2, for carrying out Mechanical Crushing processing to cooling treated flexible base board 3；
Wherein, the first preset temperature is the minimum brittle temperature of flexible base material in flexible base board.
In the specific implementation, due to material (for example, polyimide material) flexibility of flexible substrates in flexible base board compared with
By force, non-breakable, therefore processing system provided in an embodiment of the present invention of scrapping first passes through cooling system 1 to the progress of flexible base board 3
Cooling processing, makes the temperature of flexible base board 3 lower than the first preset temperature, and the first preset temperature is the flexibility on flexible base board 3
The minimum brittle temperature of base material, thus after cooling processing, the whole brittleness of flexible base material embrittlement, flexible base board increases
Greatly.
Cooling processing is carried out to flexible base board and then using Mechanical Crushing processing by the way of to cooling down, that treated is soft
Property substrate is handled, then is easy to make flexible base board fragmentation, and the flexible base board waste material after fragmentation does not bond, can naturally from
It is detached from equipment, without the processing of other auxiliary equipment, the time for scrapping processing each time can be shortened, and can be to avoid
Subsequent movement equipment send flexible base board to be scratched when entering write-off equipment by remaining waste material again.
Specifically, general first preset temperature is lower than -200 DEG C, when flexible base board makes flexibility using polyimide material
It is high-molecular organic material due to polyimides when substrate, performance is stablized, and the temperature range that can generally bear is -200 DEG C and arrives
300℃。
In addition, in order to preferably manage the residues such as the glass fragment generated after Mechanical Crushing processing, it can be by write-off equipment
It is also disposed in the chamber that one can seal.Preferably, above-mentioned write-off equipment is arranged in the chamber that can be sealed.
In the specific implementation, it can according to need setting cooling system, it, can will be flexible in order to improve the utilization rate of the energy
Substrate is placed into the chamber of vacuum heat-insulation.
Preferably, cooling system 1 includes: cooling chamber 11 and air supply source 12；
Cool down chamber 11, for holding the flexible base board 3 for carrying out cooling processing；
Air supply source 12, for providing the gas for carrying out cooling processing for cooling chamber 11.
Specifically, the flexible base board 3 of processing to be scrapped can be placed into cooling chamber, and in practical applications, it can
A chucking device also can be set, clamp flexibility for placing flexible base board so that an objective table is arranged in cooling chamber
Substrate 3, or be that directly flexible base board is placed in cooling chamber, it is not limited here.Then pass through air supply source to drop
Transporting low temperature gas in warm chamber carries out cooling processing to flexible base board.
And in order to make flexible base board be unlikely to burst because temperature is quenched in cooling treatment process, above-mentioned cooling processing
Process can be divided into the progress of two steps, and lower mask body is introduced.
As shown in Fig. 2, for it is provided in an embodiment of the present invention include two cooling chambers the structure for scrapping processing system show
It is intended to；
Preferably, cooling chamber 11 includes: first chamber 111 and second chamber 112；Wherein,
First chamber 111 is gradually lowered to the temperature of flexible base board 3 for carrying out pre- cooling processing to flexible base board 3
Second preset temperature；
Second chamber 112 makes flexible base board 3 for treated that flexible base board 3 continues cooling processing to pre- cooling
Temperature in preset duration be not higher than the first preset temperature；
Wherein, the second preset temperature is higher than the first preset temperature.
Specifically, cooling chamber 11 can be divided into the first chamber 111 for being cooled down in advance, and continue the of cooling
Two chambers 112, wherein pre- cooling processing first is carried out to flexible base board, the temperature of flexible base board can be made to gradually decrease, Bu Huiyin
It bursts for temperature quenching, when the temperature of flexible base board is reduced to the second preset temperature, general second preset temperature ratio
First preset temperature wants high, is again moved to flexible base board continues to cool down in second chamber at this time, make it in preset duration
Temperature is held at the minimum brittle temperature of flexible base material hereinafter, can make the flexible base material on flexible base board in this way
It being capable of embrittlement completely.
In addition, cooling system is divided into first chamber and second chamber, the utilization rate for scrapping processing system can also be improved,
After by first piece of flexible base board in advance cooling processing, it can be moved into second chamber and continue cooling processing, and this
When can then reuse first chamber pre- cooling processing is carried out to second piece of flexible base board, to improve the benefit for scrapping processing system
With rate.
It in the specific implementation, can be second in order to enable the pre- whole fast cooling of cooling treated flexible base board
One immersion chamber is set in chamber.
Preferably, second chamber 112 further include: the immersion chamber 112a that can be sealed, and setting is in impregnating chamber
Liquefied gas 112b；Chamber 112a is impregnated, for impregnating pre- cooling treated flexible base board, flexible base board is continued
Cooling processing.
The liquefied gas of low temperature is provided in chamber specifically, impregnating, it can will cooling be handled in advance in first chamber 111
Flexible base board afterwards is moved in the immersion chamber 112a of second chamber, using the liquefied gas 112b impregnated in chamber to pre- drop
Treated that flexible base board is impregnated for temperature, continues cooling processing, keeps the temperature of flexible base board not high in preset duration
In first preset temperature.The periphery for impregnating chamber is thermally insulated with the second chamber of vacuum, to guarantee temperature control,
Improve the utilization rate of the energy.
In the specific implementation, air supply source can provide the gas of low temperature for cooling chamber, due to Yu Jiangwen in first chamber
When, the gas of low temperature can be directly used, and the gas after liquefaction is needed in the immersion chamber of second chamber, at this point it is possible to
Increase a gas liquefaction system on air supply source as needed, which can be configured according to the gas actually provided, In
This is not specifically limited.
Preferably, air supply source 12 further include: gas liquefaction system 12a；Gas liquefaction system 12a is used for air supply source 12
The gas of middle output carries out liquefaction processing, and the liquefied gas obtained after liquefaction is handled is conveyed to and impregnates chamber 112a.
And the gas for carrying out cooling processing that specific air supply source provides includes one of hydrogen, helium and nitrogen
Or combination.Wherein, liquefy hydrogen, helium temperature can achieve -253 DEG C, far below flexible base material in flexible base board
Minimum brittle temperature, but risk is big；And the temperature of liquified helium can achieve -268 DEG C, far below flexible substrates in flexible base board
The minimum brittle temperature of material, risk are smaller；The temperature of liquefaction nitrogen can reach -196 DEG C, the flexible substrates close in flexible base board
The minimum brittle temperature of material, risk are smaller.
It in the specific implementation, can be accordingly in each chamber in order to allow each chamber to form the soak chamber of sealing
The barrier door that flexible base board can be made to pass through is set in room.
Preferably, system further include: the first barrier door 4a, the second barrier door 4b and third barrier door 4c；Wherein,
First barrier door 4a, for, as the channel for making flexible base board 3 enter first chamber 111, being closed when opening
When make first chamber 111 in sealing state；
Second barrier door 4b makes flexible base board 3 be moved to second chamber from first chamber 111 for being used as when opening
Channel in 112 makes first chamber 111 and second chamber 1112 in sealing state when closed；
Third barrier door 4c makes flexible base board 3 be moved to write-off equipment 2 from second chamber 112 for being used as when opening
In channel, make second chamber in sealing state when closed.
In the specific implementation, each chamber (first chamber 111 and second chamber 1112) can using barrier door carry out every
Absolutely, the disengaging of strict control flexible base board makes each chamber that can close barrier door when in use, forms soak chamber, with control
The temperature of system cooling processing.
In the specific implementation, flexible base board needs to be moved accordingly during processing, as shown in figure 3, being this hair
The overall structure diagram for scrapping processing system for the flexible base board that bright embodiment provides；Preferably, system further include: at least one
A mobile device 5；Mobile device 5, for that will cool down that treated, flexible base board 3 will be moved in write-off equipment 2.
Specifically, the mobile device can be as shown in Figure 3 simple removable and can carry setting for flexible base board
It is standby, it is also possible to existing mechanical arm, as long as flexible base board can be made to move i.e. between each chamber and write-off equipment
Can, it can according to need one mobile device of setting, a mobile device, In can also be respectively provided in each chamber or equipment
This is not specifically limited.
After flexible base board progress Mechanical Crushing processing, it is also necessary to waste material is carried, preferably, system further include: setting
Waste tank 6 below write-off equipment；Waste tank 6, for holding the flexible base board waste material fallen after mechanical break process.
Specifically, as shown in figure 3, waste tank can be arranged in the lower section of write-off equipment, after Mechanical Crushing processing
The waste material fallen can directly be fallen into waste tank, and in order to be managed to waste material residue, it can also be set above waste tank
Set a 4th barrier door 4d, can using write-off equipment to flexible base board carry out Mechanical Crushing processing when, open the 4th every
Door 4d is kept off, falls to waste material directly in waste tank；And when not using write-off equipment, then it can close the 4th barrier door
4d keeps waste tank closed.
Based on the same inventive concept, the embodiment of the invention also provides a kind of processing methods of scrapping of flexible base board, including
Above-mentioned flexible base board provided in an embodiment of the present invention scraps processing system.The implementation for scrapping processing method may refer to above-mentioned
Any embodiment for scrapping processing system, overlaps will not be repeated.
As shown in figure 4, being the flow chart for scrapping processing method of flexible base board provided in an embodiment of the present invention.This method packet
Include following steps:
Step 401, cooling processing is carried out to flexible base board, makes the temperature of flexible base board lower than the first preset temperature；
Step 401, Mechanical Crushing processing is carried out to cooling treated flexible base board；
Wherein, the first preset temperature is the minimum brittle temperature of flexible base material in flexible base board.
As shown in figure 5, for the method flow diagram provided in an embodiment of the present invention for carrying out cooling processing to flexible base board.The party
Method includes the following steps:
Step 4011, pre- cooling processing is carried out to flexible base board, so that the temperature of flexible base board is gradually lowered to second default
Temperature；
Step 4012, to pre- cooling, treated that flexible base board continues cooling processing, and the temperature of flexible base board is made to exist
It is lower than the first preset temperature in preset duration；
Wherein, the second preset temperature is higher than the first preset temperature.
Preferably, the gas for carrying out cooling processing includes one of the following or combination:
Hydrogen, helium and nitrogen.
In conclusion flexible base board provided in an embodiment of the present invention scraps processing system and method, it can be first using drop
Warm equipment makes the temperature of flexible base board be lower than the minimum embrittlement of flexible base material for carrying out cooling processing to flexible base board
Temperature cools down and then carries out Mechanical Crushing processing to flexible base board.Since flexible base material has been in flexible base board after cooling
Through embrittlement, the whole brittleness of flexible base board increases, then is handled using Mechanical Crushing processing mode, then is easy to make flexible base
Plate fragmentation, the flexible base board waste material after fragmentation do not bond, and can be detached from from equipment naturally, without other auxiliary equipment
Processing, can shorten the time for scrapping processing each time, and flexible base board can be sent again to enter report to avoid subsequent movement equipment
It is scratched when useless equipment by remaining waste material.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of flexible base board scraps processing system, which is characterized in that the system comprises: cooling system and write-off equipment；
The cooling system keeps the temperature of the flexible base board default lower than first for carrying out cooling processing to flexible base board
Temperature；
The write-off equipment, for treated that the flexible base board carries out Mechanical Crushing processing to cooling；
Wherein, first preset temperature is the minimum brittle temperature of flexible base material in the flexible base board；
Wherein, the cooling system includes: cooling chamber and air supply source；
The cooling chamber, for holding the flexible base board for carrying out cooling processing；
The air supply source, for providing the gas for carrying out cooling processing for cooling chamber；
The cooling chamber includes: first chamber and second chamber；The air supply source includes gas liquefaction system；
The gas liquefaction system, the gas for will export in the air supply source carry out liquefaction processing；
The first chamber, the gas for being provided by the air supply source carry out pre- cooling processing to flexible base board, make
The temperature of the flexible base board is gradually lowered to the second preset temperature；
The second chamber, comprising: the immersion chamber that can be sealed and the liquefied gas being arranged in immersion chamber, wherein
The immersion chamber continues cooling processing for impregnating pre- cooling treated flexible base board, to the flexible base board, makes
The temperature of the flexible base board is not higher than first preset temperature in preset duration；
Wherein, second preset temperature is higher than first preset temperature.
2. the system as claimed in claim 1, which is characterized in that the system also includes: at least one mobile device；
The mobile device, for that will cool down that treated, the flexible base board will be moved in the write-off equipment.
3. the system as claimed in claim 1, which is characterized in that the second chamber further include: the immersion chamber that can be sealed,
And the liquefied gas in the immersion chamber is set；
The immersion chamber continues to drop for impregnating pre- cooling treated the flexible base board to the flexible base board
Temperature processing；
The air supply source further include: gas liquefaction system；
The gas liquefaction system, the gas for will export in the air supply source carry out liquefaction processing, and after liquefaction is handled
Obtained liquefied gas is conveyed to the immersion chamber.
4. system as claimed in claim 3, which is characterized in that the system also includes the first barrier door, the second barrier door and
Third barrier door；Wherein,
The first barrier door, for, as the channel for making the flexible base board enter the first chamber, being closed when opening
Make the first chamber in sealing state when closing；
The second barrier door makes the flexible base board be moved to described second from the first chamber for being used as when opening
Channel in chamber makes the first chamber and the second chamber in sealing state when closed；
The third barrier door makes the flexible base board be moved to described scrap from the second chamber for being used as when opening
Channel in equipment makes the second chamber in sealing state when closed.
5. the system as claimed in claim 1, which is characterized in that the system also includes: it is arranged below the write-off equipment
Waste tank；
The waste tank, for holding the flexible base board waste material fallen after the Mechanical Crushing processing.
6. a kind of flexible base board scraps processing method, which is characterized in that the described method includes:
Cooling processing is carried out to flexible base board, makes the temperature of the flexible base board lower than the first preset temperature；
To cooling, treated that the flexible base board carries out Mechanical Crushing processing；
Wherein, first preset temperature is the minimum brittle temperature of flexible base material in the flexible base board；
It is described that cooling processing is carried out to flexible base board, comprising:
Pre- cooling processing is carried out to flexible base board by cryogenic gas, so that the temperature of the flexible base board is gradually lowered to second pre-
If temperature；
By will pre- cooling treated that the flexible base board is immersed in liquefied gas to pre- cooling treated the flexibility
Substrate continues cooling processing, makes the temperature of the flexible base board in preset duration lower than first preset temperature；
Second preset temperature is higher than first preset temperature.
7. method as claimed in claim 6, which is characterized in that the gas for carrying out the cooling processing includes in following
A kind of or combination:
Hydrogen, helium and nitrogen.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710708564.4A CN107520023B (en) | 2017-08-17 | 2017-08-17 | A kind of flexible base board scraps processing system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710708564.4A CN107520023B (en) | 2017-08-17 | 2017-08-17 | A kind of flexible base board scraps processing system and method |
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| CN107520023B true CN107520023B (en) | 2019-11-05 |
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|---|---|---|---|---|
| CN1240162A (en) * | 1998-06-22 | 2000-01-05 | 曾绍谦 | Air assistant ultralow temp. method for making plastics powder |
| DE102007020520A1 (en) * | 2007-05-02 | 2008-11-06 | New View S.L. | Process and plant for cryogenic crushing of bulk material |
| CN103157541A (en) * | 2013-03-26 | 2013-06-19 | 上海金树树脂粉末有限公司 | Production process for crushing thermoplastic high-molecular materials |
| CN105597900A (en) * | 2016-01-05 | 2016-05-25 | 临沂奥星化工有限公司 | Chlorinated polyethylene smashing system |
| EP3135380A1 (en) * | 2015-08-27 | 2017-03-01 | Josef Fischer | Cryogenic grinding device and method |
| CN206008963U (en) * | 2016-08-30 | 2017-03-15 | 周易 | A kind of material two-stage pre-cooler |
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2017
- 2017-08-17 CN CN201710708564.4A patent/CN107520023B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240162A (en) * | 1998-06-22 | 2000-01-05 | 曾绍谦 | Air assistant ultralow temp. method for making plastics powder |
| DE102007020520A1 (en) * | 2007-05-02 | 2008-11-06 | New View S.L. | Process and plant for cryogenic crushing of bulk material |
| CN103157541A (en) * | 2013-03-26 | 2013-06-19 | 上海金树树脂粉末有限公司 | Production process for crushing thermoplastic high-molecular materials |
| EP3135380A1 (en) * | 2015-08-27 | 2017-03-01 | Josef Fischer | Cryogenic grinding device and method |
| CN105597900A (en) * | 2016-01-05 | 2016-05-25 | 临沂奥星化工有限公司 | Chlorinated polyethylene smashing system |
| CN206008963U (en) * | 2016-08-30 | 2017-03-15 | 周易 | A kind of material two-stage pre-cooler |
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| Publication number | Publication date |
|---|---|
| CN107520023A (en) | 2017-12-29 |
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