CN108405035A - A kind of polycrystalline silicon rod breaker and method - Google Patents
A kind of polycrystalline silicon rod breaker and method Download PDFInfo
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- CN108405035A CN108405035A CN201810163162.5A CN201810163162A CN108405035A CN 108405035 A CN108405035 A CN 108405035A CN 201810163162 A CN201810163162 A CN 201810163162A CN 108405035 A CN108405035 A CN 108405035A
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- silicon rod
- polycrystalline silicon
- accommodating chamber
- cooling
- storage room
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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
- B02C1/00—Crushing or disintegrating by reciprocating members
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- Silicon Compounds (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention relates to field of polysilicon production, and in particular to a kind of polycrystalline silicon rod breaker and method.The polycrystalline silicon rod breaker provided in the embodiment of the present invention, in shattering process, in the accommodating chamber that the polycrystalline silicon rod merging in reduction is filled to refrigerant (such as liquid argon or liquid nitrogen), silicon rod is quickly cooled down, and polycrystalline silicon rod is crushed naturally in the refrigerant.The polycrystalline silicon rod of rigid blowing out is cooled down using cooling medium, the residual temperature for making full use of polycrystalline silicon rod to generate.Knocking device is further crushed polycrystalline silicon rod.Feed pipe is used to provide cooling medium to cooling device, and discharge pipe is used to, by the cooling dielectric film filter merging article-storage device after use, form cooling cycle.Control device is set, the automation of polycrystalline silicon rod breaker is easy to implement.The polycrystalline silicon rod breaker provided in the embodiment of the present invention has saving human and material resources, and the remarkable result of crushing efficiency is greatly improved while abundant broken.
Description
Technical field
The present invention relates to field of polysilicon production, and in particular to a kind of polycrystalline silicon rod breaker and method.
Background technology
With the getting worse of world energy sources crisis, the utilization of green energy resource, energy diversification, regenerative resource is at me
The heat subject that the strategic choice of state's sustainable development, wherein solar energy power generating are researched and developed at current power science and technology person it
One.Polysilicon is the direct material for producing monocrystalline silicon, be contemporary artificial intelligence, automatically control, information processing, opto-electronic conversion etc. half
The electronics and information infrastructure material of conductor device, polysilicon purity is higher, and Electronic Performance is better, and corresponding photoelectric conversion rate improves.
Traditional polycrystalline silicon rod crumbling method needs to consume largely artificial and muscle power and carries out broken polysilicon, of high cost, effect
Rate is low, and the cross contaminations such as the sweat stain generated when tapping broken that consume one's strength be easy to cause silicon material surface contamination, influence product quality；
Polysilicon is tapped repeatedly simultaneously and be easy to cause polysilicon surface metal and increases, Wc-Co alloys, which are hammered into shape, remains in silicon material surface table
Metal increases, and the monocrystalline minority carrier life time of preparation reduces, and influences service life and the photoelectric conversion efficiency of downstream solar energy.
Invention content
To solve the above problem in the prior art, the purpose of the present invention is to provide a kind of polycrystalline silicon rod breakers.
Another object of the present invention is to provide a kind of broken sides of polycrystalline silicon rod with above-mentioned polycrystalline silicon rod breaker
Method.
What the embodiment of the present invention was realized in：
A kind of cooling device, cooling device have the accommodating chamber for accommodating polycrystalline silicon rod.For being carried to cooling device
For the article-storage device of cooling medium, article-storage device has the material storage room for storing cooling medium.For smashing polycrystalline silicon rod
Knocking device；And control device, control device are electrically connected with knocking device.Wherein, it is arranged between material storage room and accommodating chamber
There are feed pipe and discharge pipe；Feed pipe one end is connected to material storage room, and the other end is connected to accommodating chamber for by storing
Indoor cooling medium is delivered in accommodating chamber；Discharge pipe one end is connected to accommodating chamber, and the other end is connected to material storage room and is used for
Cooling medium in accommodating chamber is delivered in material storage room.Knocking device is arranged in one end of accommodating chamber for will be after cooling more
Crystalline silicon rod is crushed.
In one embodiment of the invention：
It is provided with surge tank on above-mentioned feed pipe；Surge tank one end is connected to material storage room, and the other end is connected to accommodating chamber；
It is provided with the first check valve between surge tank and material storage room, the second check valve is provided between surge tank and accommodating chamber；Control dress
It sets and is electrically connected with the first check valve, control device is electrically connected with the second check valve.
In one embodiment of the invention：
The filter device for filtering cooling medium is provided on above-mentioned discharge pipe.
In one embodiment of the invention：
It is provided with compression set between above-mentioned filter device and material storage room.
In one embodiment of the invention：
PU liner layers are provided in above-mentioned accommodating chamber.
In one embodiment of the invention：
Above-mentioned knocking device includes adapting table, percussion portion and the driving device being sequentially connected with percussion portion, driving device
For driving percussion portion closer or far from adapting table；Driving device is electrically connected with control device.
In one embodiment of the invention：
Above-mentioned percussion portion includes support plate and is connected to multiple percussions hammer of support plate side, and multiple percussion hammers are equidistant
It is arranged in support plate, percussion hammer is movably connected with support plate.
In one embodiment of the invention：
Above-mentioned polycrystalline silicon rod breaker includes the clamping piece for polycrystalline rod to be placed in accommodating chamber, and clamping piece is filled with cooling
It sets detachably connected.
In one embodiment of the invention：
Air curtain sealing device is equipped on the outside of above-mentioned clamping piece, air curtain sealing device has annular gap, air curtain sealing
Device further includes the feeder being connected to annular gap.
A kind of polycrystalline silicon rod breaking method is based on any one of the above polycrystalline silicon rod breaker, including：
Refrigerant is passed through into accommodating chamber, it is predetermined temperature to make the temperature in accommodating chamber；
Polycrystalline silicon rod merging in reduction furnace is filled and nature occurs to crystalline silicon rod in the accommodating chamber of refrigerant and is crushed；
Polysilicon block in accommodating chamber is carried out accommodating chamber, is further struck polysilicon block using knocking device
It is broken.
The advantageous effect of the embodiment of the present invention is：
The polycrystalline silicon rod breaker provided in the embodiment of the present invention includes cooling device, article-storage device and for hitting
The knocking device of broken polycrystalline silicon rod.In shattering process, by reduction polycrystalline silicon rod merging fill refrigerant (such as liquid argon or
Liquid nitrogen) accommodating chamber in, under the action of refrigerant, at this point, silicon rod is quickly cooled down, because of the brittleness of polycrystalline silicon rod and in generating
Stress, polycrystalline silicon rod are crushed naturally in the refrigerant.The polycrystalline silicon rod of rigid blowing out is cooled down using cooling medium, fully profit
The residual temperature generated with polycrystalline silicon rod, and the physical features of silicon is made full use of to carry out cryogenic pulverization, save human and material resources cost.
Knocking device is set to one end of accommodating chamber for polycrystalline silicon rod after cooling to be further crushed, effectively to polycrystalline silicon rod into
Row is fully broken.Feed pipe is used to provide cooling medium to cooling device, and discharge pipe is used for the cooling medium after use
In recycling merging article-storage device, cooling cycle is formed, can save and utilize cooling medium.Control device is set, polycrystalline is easy to implement
The automation of silicon rod breaker improves working efficiency.The polycrystalline silicon rod breaker provided in the embodiment of the present invention has
There are saving human and material resources, the remarkable result of crushing efficiency is greatly improved while abundant broken.
Polycrystalline silicon rod breaking method provided by the invention, including above-mentioned polycrystalline silicon rod breaker, therefore also have upper
The advantageous effect stated.
Description of the drawings
For the clearer technical solution for illustrating the embodiment of the present invention, below to needing attached drawing to be used to make in embodiment
It is simple to introduce.It should be appreciated that the following drawings illustrates only the certain embodiments of the present invention, it is not construed as to model of the present invention
The limitation enclosed.To those skilled in the art, without creative efforts, it can obtain according to these attached drawings
Obtain other accompanying drawings.
Fig. 1 is the overall structure diagram for the polycrystalline silicon rod breaker that the embodiment of the present invention 1 provides；
Fig. 2 is the clamping piece for the polycrystalline silicon rod breaker that the embodiment of the present invention 1 provides and the knot of air curtain sealing device
Structure schematic diagram.
Icon：10- polycrystalline silicon rod breakers；100- cooling devices；110- accommodating chambers；112- feed pipes；114- goes out
Pipe material；116- draw-out devices；200- article-storage devices；210- material storage room；300- knocking devices；310- adapting tables；320- is tapped
Portion；322- support plates；324- taps hammer；400- surge tanks；The first check valves of 410-；The second check valves of 420-；500- filtering dresses
It sets；600- compression sets；700- clamping pieces；701- clamping parts；702- telescopic rods；710- air curtain sealing devices；711- accommodates empty
Between；The annular gaps 712-；The channels 714-；716- sealing covers.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing, to the present invention
Technical solution in embodiment carries out clear, complete description.Obviously, described embodiment is that the part of the present invention is implemented
Example, instead of all the embodiments.
Therefore, the model of claimed invention is not intended to limit to the detailed description of the embodiment of the present invention below
It encloses, but is merely representative of the section Example of the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
There is the every other embodiment obtained under the premise of making creative work, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature and technology in embodiment and embodiment in the present invention
Scheme can be combined with each other.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term " first ", " second " etc. are only used for distinguishing description, without
It can be interpreted as indicating or implying relative importance.
Embodiment 1：
Fig. 1 to Fig. 2 is please referred to, the present embodiment provides a kind of polycrystalline silicon rod breakers 10 comprising cooling device 100,
Cooling device 100 has the accommodating chamber 110 for accommodating polycrystalline silicon rod.For providing cooling medium to cooling device 100
Article-storage device 200, article-storage device 200 have the material storage room 210 for storing cooling medium.For smashing striking for polycrystalline silicon rod
Hit device 300；And control device (not shown), control device are electrically connected with knocking device 300.Wherein, material storage room 210
Feed pipe 112 and discharge pipe 114 are provided between accommodating chamber 110；112 one end of feed pipe connects with material storage room 210
Logical, the other end is connected to accommodating chamber 110 for the cooling medium in material storage room 210 to be delivered in accommodating chamber 110；Discharge pipe
114 one end are connected to accommodating chamber 110, and the other end is connected to material storage room 210 for the cooling medium in accommodating chamber 110 to be delivered to
In material storage room 210.Knocking device 300 is arranged to be used to polycrystalline silicon rod after cooling being crushed in one end of accommodating chamber 110.
The polycrystalline silicon rod breaker 10 provided in the embodiment of the present invention include cooling device 100, article-storage device 200 with
And the knocking device 300 for smashing polycrystalline silicon rod.In shattering process, the polycrystalline silicon rod merging in reduction is filled into refrigeration and is situated between
In the accommodating chamber 110 of matter (such as liquid argon or liquid nitrogen), under the action of refrigerant, at this point, silicon rod is quickly cooled down, because of polycrystalline silicon rod
The internal stress of brittleness and generation, polycrystalline silicon rod are crushed naturally in the refrigerant.Using cooling medium to the polycrystalline silicon rod of rigid blowing out
It is cooled down, the residual temperature for making full use of polycrystalline silicon rod to generate, and the physical features of silicon is made full use of to carry out cryogenic pulverization, saved
Human and material resources cost.Knocking device 300 is set to one end of accommodating chamber 110 for further breaking polycrystalline silicon rod after cooling
It is broken, effectively polycrystalline silicon rod is carried out fully broken.Feed pipe 112 is used to provide cooling medium, discharging to cooling device 100
Pipeline 114 is used to, by the cooling dielectric film filter merging article-storage device 200 after use, form cooling cycle, can save using cold
But medium.Control device is set, the automation of polycrystalline silicon rod breaker 10 is easy to implement, improves working efficiency.The present invention's
The polycrystalline silicon rod breaker 10 provided in embodiment has saving human and material resources, is greatly improved while abundant broken
The remarkable result of crushing efficiency.
In the present embodiment, it is provided with surge tank 400 on feed pipe 112；400 one end of surge tank connects with material storage room 210
Logical, the other end is connected to accommodating chamber 110；The first check valve 410, surge tank are provided between surge tank 400 and material storage room 210
The second check valve 420 is provided between 400 and accommodating chamber 110；Control device is electrically connected with the first check valve 410, control device
It is electrically connected with the second check valve 420.Surge tank 400 is set, can buffering effectively be played to the cooling medium in article-storage device 200
The effect of release makes the cooling medium in article-storage device 200 steadily controllably be passed through in the accommodating chamber 110 of cooling device 100.If
It sets whether the first check valve 410 is passed through cooling medium convenient for control material storage room 210 into surge tank 400, the second check valve is set
Whether 420 be passed through cooling medium into accommodating chamber 110 convenient for control surge tank 400.
Specifically, in the present embodiment, pressure regulator valve is provided between the first check valve 410 and surge tank 400, setting is adjusted
Pressure valve adjusts the Fluid pressure for entering the cooling medium in surge tank 400 convenient for user.Pressure regulator valve is electrically connected with control device, just
The pressure of the cooling medium in separator tube is adjusted by control device in user.
Specifically, in the present embodiment, fluid pressure sensor (not shown), fluid are provided in surge tank 400
Pressure sensor is electrically connected with control device.The cooling that fluid pressure sensor is measured convenient for user in surge tank 400 is arranged to be situated between
Fluid pressure sensor is electrically connected with control device, is measured according to fluid pressure sensor convenient for user by the Fluid pressure of matter
It is that numerical value monitors the pressure of the fluid media (medium) in surge tank 400 in real time.
In the present embodiment, the filter device 500 for filtering cooling medium is provided on discharge pipe 114.It is discharging
It is to be filtered that filter device 500, which is arranged, convenient for being filtered to the cooling medium after cooled polycrystalline silicon rod in pipeline 114
It is recycled and is passed through in the material storage room 210 of article-storage device 200 later, reused, can effectively be economized on resources.
In the present embodiment, compression set 600 is provided between filter device 500 and material storage room 210.Setting compression dress
600 are set convenient for being compressed to state identical with original cooling medium in material storage room 210 to cooling medium after filtering
Or temperature, convenient for preferably recycling.
In the present embodiment, PU liner layer (not shown)s are provided in accommodating chamber 110.PU liner layers have resistance to low
Temperature and toughness are high, and PU liner layers are provided in accommodating chamber 110 convenient for ensureing the cleanliness factor of polycrystalline silicon rod.It should be noted that this
In the material of the liner layer in accommodating chamber 110 is not defined, it is possible to understand that, in other specific embodiments, also may be used
According to the demand of user, liner layer to be made of other materials.Specifically, in the present embodiment, cooling device 100 is opened
Mouth is arranged in the end of cooling device 100, and opening is provided with end cap.
Specifically, in the present embodiment, discharge pipe 114 is provided with draw-out device close to one end of cooling device 100
116, draw-out device 116 is connected to accommodating chamber 110.Draw-out device 116 is set, is convenient for the cooling medium in cooling device 100
It extracts clean.
In the present embodiment, knocking device 300 includes adapting table 310, percussion portion 320 and is driven company with percussion portion 320
The driving device (not shown) connect, driving device is for driving percussion portion 320 closer or far from adapting table 310；Driving dress
It sets and is electrically connected with control device.Specifically, in the present embodiment, percussion portion 320 including support plate 322 and is connected to support plate
Multiple percussions hammer 324 of 322 sides, multiple percussion hammers 324 are equidistantly arranged in support plate 322, tap hammer 324 and branch
Fagging 322 is movably connected.Setting driving device connect that percussion portion 320 is driven to be tapped automatically with percussion portion 320
, realize the automation of polycrystalline silicon rod breaker 10.And tap hammer 324 and be movably connected with support plate 322, it is convenient for user
Tap the spacing between hammer 324 to adjacent and be adjusted, at the same can the height of bucketing hammer 324 be adjusted.
Specifically, in the present embodiment, offering holding tank (not shown) along the length direction of support plate 322, striking
The hammer handle of hammer 324 runs through holding tank, and will hit against hammer 324 using fixing piece and be fixed.In use, user Ke Tong
It crosses to tap hammer 324 along the sliding of 322 length direction of support plate and then hammer the spacing between 324 into shape to adjacent percussion and be adjusted, pass through
The percussion height that 324 handle of bucketing hammer stretches into the length bucketing hammer 324 of holding tank is adjusted.It should be noted that here simultaneously
The concrete structure of knocking device 300 is defined, it will be understood that, can also be according to user's in other specific embodiments
Demand, the concrete structure that will hit against device 300 are set as other forms.
In the present embodiment, polycrystalline silicon rod breaker 10 includes the clamping piece for polycrystalline rod to be placed in accommodating chamber 110
700, clamping piece 700 and cooling device 100 are detachably connected.Clamping piece 700 is arranged to be convenient for the polycrystalline silicon rod in reduction furnace
Clamping is placed into the accommodating chamber 110 of cooling device 100.Specifically, in the present embodiment, 700 outside of clamping piece is equipped with gas
Curtain sealing device 710, air curtain sealing device 710 have annular gap 712, and air curtain sealing device 710 further includes between annular
The feeder (not shown) that gap 712 is connected to.Air curtain sealing device 710 is set, can be effectively prevented from by polycrystalline silicon rod
From reduction furnace be placed in cooling device 100 accommodating chamber 110 during high temperature polycrystalline silicon rod oxidation.Air curtain sealing device 710
Side wall on offer the channel 714 of connection annular gap 712 for being passed through inert gas into annular gap 712.Specifically,
In the present embodiment, the whole tubular structure in one end open of air curtain sealing device 710, has for accommodating clamping piece 700
And the accommodation space 711 of polycrystalline silicon rod, the opening of air curtain sealing device 710 are provided with sealing cover 716, air curtain sealing device
710 further include the actuator (not shown) for driving 716 open or close of sealing cover, and actuator is passed with sealing cover 716
Dynamic connection.Actuator is electrically connected with control device, the open or close for control device control sealing cover 716.
Specifically, in the present embodiment, clamping piece 700 includes clamping part 701 and is stretched with what clamping part 701 was sequentially connected
Contracting bar 702, telescopic rod 702 is for driving clamping part 701 close or far from accommodation space 711.In use, clamping part
701 stretch out accommodation space 711 and polycrystalline silicon rod are clamped after polycrystalline silicon rod is clamped and pass through telescopic rod by telescopic rod 702
Clamping part 701 is retracted in accommodation space 711 and is fully recessed into accommodation space 711 to polycrystalline silicon rod by 702.Control device and telescopic rod
702 electrical connections drive clamping part 701 to move for controlling telescopic rod 702.Specifically, in use, it seals and fills to air curtain
It sets and is passed through inert gas, such as argon gas or nitrogen in 710 annular gap 712.
During the work time, it opens feeder and is passed through inert gas to annular gap 712, pass through 712 shape of annular gap
Air curtain is circularized, clamping piece 700 is made to be in oxygen barrier environment, after clamping part 701 stretches out the clamping polycrystalline silicon rod of accommodation space 711,
Polycrystalline silicon rod is brought into accommodation space 711, controlling sealing cover 716 by control device is closed, and closes feeder.It opens
Clamping piece 700 is placed in the accommodating chamber 110 of cooling device 100, closed end cap, using draw-out device 116 by cooling device 100
Air in accommodating chamber 110 is extracted totally, the first check valve 410 and the second check valve 420 is opened in succession, makes article-storage device
In cold-zone medium injection accommodating chamber 110 in 200, when temperature reaches preset value, opened by control device.The cooling of low temperature
Medium is contacted with the polycrystalline silicon rod of the high temperature in accommodation space 711, and cryogenic pulverization is carried out using the physical features of silicon.It is broken to complete
Afterwards, by closing seam lid 716, the first check valve 410 and the second check valve 420 are closed, draw-out device 116 extracts accommodating chamber
Cooling medium in 110 opens end cap, clamping piece 700 is placed on the adapting table 310 of knocking device 300, is hammered into shape using tapping
324 further tap polycrystalline silicon rod.
The polycrystalline silicon rod breaker 10 provided in the embodiment of the present invention include cooling device 100, article-storage device 200 with
And the knocking device 300 for smashing polycrystalline silicon rod.In shattering process, the polycrystalline silicon rod merging in reduction is filled into refrigeration and is situated between
In the accommodating chamber 110 of matter (such as liquid argon or liquid nitrogen), under the action of refrigerant, at this point, silicon rod is quickly cooled down, because of polycrystalline silicon rod
The internal stress of brittleness and generation, polycrystalline silicon rod are crushed naturally in the refrigerant.Using cooling medium to the polycrystalline silicon rod of rigid blowing out
It is cooled down, the residual temperature for making full use of polycrystalline silicon rod to generate, and the physical features of silicon is made full use of to carry out cryogenic pulverization, saved
Human and material resources cost.Knocking device 300 is set to one end of accommodating chamber 110 for further breaking polycrystalline silicon rod after cooling
It is broken, effectively polycrystalline silicon rod is carried out fully broken.Feed pipe 112 is used to provide cooling medium, discharging to cooling device 100
Pipeline 114 is used to, by the cooling dielectric film filter merging article-storage device 200 after use, form cooling cycle, can save using cold
But medium.Control device is set, the automation of polycrystalline silicon rod breaker 10 is easy to implement, improves working efficiency.The present invention's
The polycrystalline silicon rod breaker 10 provided in embodiment has saving human and material resources, is greatly improved while abundant broken
The remarkable result of crushing efficiency.
Embodiment 2：
A kind of polycrystalline silicon rod breaking method based on above-mentioned polycrystalline silicon rod breaker 10 is provided in the present embodiment, is wrapped
It includes：
It is passed through refrigerant into accommodating chamber 110, it is predetermined temperature to make the temperature in accommodating chamber 110；
Polycrystalline silicon rod merging in reduction furnace is filled and nature occurs to crystalline silicon rod in the accommodating chamber 110 of refrigerant and is crushed；
Polysilicon block in accommodating chamber 110 is carried out accommodating chamber 110, using knocking device 300 further by polycrystalline
Silico briquette material is broken into pieces.
In the present embodiment, it is passed through refrigerant into accommodating chamber 110, it is -196 DEG C to make the temperature in accommodating chamber 110.It needs
Illustrate, the temperature in accommodating chamber 110 is not defined here, it is possible to understand that, in other specific embodiments, also may be used
It is other temperature values by the temperature setting of accommodating chamber 110, such as -197 DEG C, -195 DEG C or -194 with according to the demand of user
DEG C etc..
In the present embodiment, the polycrystalline silicon rod merging that the blowing out temperature in reduction furnace is 300 DEG C is filled to the appearance of refrigerant
Receive in chamber 110 to crystalline silicon rod that nature occur broken.It should be noted that not being defined here to blowing out temperature, it is possible to understand that
, can also be according to the demand of user other temperature values by blowing out temperature setting in other specific embodiments, such as 310
DEG C, 320 DEG C or 330 DEG C etc..
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (10)
1. a kind of polycrystalline silicon rod breaker, which is characterized in that including：
Cooling device, the cooling device have the accommodating chamber for accommodating polycrystalline silicon rod；
Article-storage device for providing from cooling medium to the cooling device, the article-storage device have for storing cooling Jie
The material storage room of matter；
Knocking device for smashing the polycrystalline silicon rod；And
Control device, the control device are electrically connected with the knocking device；
Wherein, feed pipe and discharge pipe are provided between the material storage room and the accommodating chamber；The feed pipe one
End is connected to the material storage room, and the other end is connected to the accommodating chamber for the indoor cooling medium of the storing to be delivered to appearance
It receives in chamber；Described discharge pipe one end is connected to the accommodating chamber, and the other end is connected to the material storage room for by the receiving
Cooling medium in chamber is delivered in material storage room；
The knocking device is arranged to be used to polycrystalline silicon rod after cooling being crushed in one end of the accommodating chamber.
2. polycrystalline silicon rod breaker according to claim 1, which is characterized in that be provided with buffering on the feed pipe
Tank；Described surge tank one end is connected to the material storage room, and the other end is connected to the accommodating chamber；The surge tank and the storing
It is provided with the first check valve between room, the second check valve is provided between the surge tank and the accommodating chamber；The control dress
It sets and is electrically connected with first check valve, the control device is electrically connected with second check valve.
3. polycrystalline silicon rod breaker according to claim 1, which is characterized in that be provided with and be used on the discharge pipe
The filter device of the cooling medium of filtering.
4. polycrystalline silicon rod breaker according to claim 3, which is characterized in that the filter device and the material storage room
Between be provided with compression set.
5. polycrystalline silicon rod breaker according to claim 1, which is characterized in that be provided with PU liners in the accommodating chamber
Layer.
6. polycrystalline silicon rod breaker according to claim 1, which is characterized in that the knocking device include adapting table,
Percussion portion and the driving device being sequentially connected with the percussion portion, the driving device for driving the percussion portion close or
Far from the adapting table；The driving device is electrically connected with the control device.
7. polycrystalline silicon rod breaker according to claim 6, which is characterized in that the percussion portion include support plate and
It is connected to multiple percussions hammer of the support plate side, multiple percussion hammers are equidistant to be arranged in the support plate,
The percussion hammer is movably connected with the support plate.
8. polycrystalline silicon rod breaker according to claim 1, which is characterized in that the polycrystalline silicon rod breaker includes
Clamping piece for polycrystalline rod to be placed in the accommodating chamber, the clamping piece and the cooling device are detachably connected.
9. polycrystalline silicon rod breaker according to claim 8, which is characterized in that be equipped with air curtain on the outside of the clamping piece
Sealing device, the air curtain sealing device have annular gap, and the air curtain sealing device further includes and the annular gap
The feeder of connection.
10. a kind of polycrystalline silicon rod breaking method, which is characterized in that the polycrystalline silicon rod breaking method is based on claim 1 to 9 times
Polycrystalline silicon rod breaker described in meaning one, including：
It is passed through refrigerant into the accommodating chamber, it is predetermined temperature to make the temperature in the accommodating chamber；
Polycrystalline silicon rod merging in reduction furnace is filled and nature occurs to crystalline silicon rod in the accommodating chamber of refrigerant and is crushed；
Polysilicon block in the accommodating chamber is carried out the accommodating chamber, using the knocking device further by polysilicon
Block is broken into pieces.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810163162.5A CN108405035B (en) | 2018-02-26 | 2018-02-26 | Polycrystalline silicon rod crushing device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810163162.5A CN108405035B (en) | 2018-02-26 | 2018-02-26 | Polycrystalline silicon rod crushing device and method |
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| CN108405035B CN108405035B (en) | 2020-07-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513508A (en) * | 2018-11-20 | 2019-03-26 | 宁夏隆基硅材料有限公司 | A kind of polycrystalline silicon rod crushing device and its breaking method |
| CN111659488A (en) * | 2019-03-05 | 2020-09-15 | 江苏中能硅业科技发展有限公司 | Polycrystalline silicon extrusion crushing device and method |
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| US20040251333A1 (en) * | 2002-08-22 | 2004-12-16 | Arvidson Arvid Neil | Method and apparatus for improving silicon processing efficiency |
| WO2009019749A1 (en) * | 2007-08-03 | 2009-02-12 | Teoss Co., Ltd. | Silicon supporting device and silicon heating rapidly cooling apparatus utilizing the same |
| CN101508151A (en) * | 2009-04-07 | 2009-08-19 | 宝鸡宝色特种金属有限责任公司 | Polysilicon rod thermodynamics breaking technique and device |
| CN102527464A (en) * | 2010-12-13 | 2012-07-04 | 三菱综合材料株式会社 | Polycrystalline silicon crushing plant and method for making polycrystalline silicon particles |
| CN102489372A (en) * | 2011-12-12 | 2012-06-13 | 湖南顶立科技有限公司 | Method and device for breaking polycrystalline silicon rod |
| CN206652532U (en) * | 2017-03-28 | 2017-11-21 | 亚洲硅业（青海）有限公司 | A kind of Novel polycrystalline silicon breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109513508A (en) * | 2018-11-20 | 2019-03-26 | 宁夏隆基硅材料有限公司 | A kind of polycrystalline silicon rod crushing device and its breaking method |
| CN111659488A (en) * | 2019-03-05 | 2020-09-15 | 江苏中能硅业科技发展有限公司 | Polycrystalline silicon extrusion crushing device and method |
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