Controllable discharging device for polycrystalline silicon powder grinding processing
Technical Field
The invention relates to the technical field of polycrystalline silicon processing, in particular to a controllable discharging device for polycrystalline silicon powdering processing.
Background
Polycrystalline silicon is a form of simple substance silicon, when molten simple substance silicon is solidified under a supercooling condition, silicon atoms are arranged into a plurality of crystal nuclei in a diamond lattice form, if the crystal nuclei grow into crystal grains with different crystal face orientations, the crystal grains are combined to crystallize into the polycrystalline silicon, the polycrystalline silicon has gray metallic luster, the density is 2.32-2.34 g/cm3, the melting point is 1410 ℃, the boiling point is 2355 ℃, the polycrystalline silicon is dissolved in mixed acid of hydrofluoric acid and nitric acid, the polycrystalline silicon is insoluble in water, nitric acid and hydrochloric acid, the hardness is between germanium and quartz, the polycrystalline silicon is brittle at room temperature, and the polycrystalline silicon is easy to crack during cutting. The alloy has ductility when heated to above 800 ℃, shows obvious deformation when heated to 1300 ℃, is inactive at normal temperature, reacts with oxygen, nitrogen, sulfur and the like at high temperature, has larger chemical activity when in a high-temperature molten state, can almost act with any material, has semiconductor properties and is an extremely important excellent semiconductor material.
The existing discharging device for powder processing of controllable polycrystalline silicon does not have the function of recycling raised-dust silicon powder, the polycrystalline silicon is lighter in weight after being crushed, the crushing action amplitude is larger, a large amount of polycrystalline silicon dust is scattered in the air, so that serious waste is caused, and when the polycrystalline silicon is crushed, the crushing effect of a crushing hammer of the polycrystalline silicon crushing device is poor, so that the problem of incomplete crushing is caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a controllable discharging device for polysilicon powdering processing, which solves the problems in the prior art.
(II) technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a controllable formula polycrystalline silicon is beaten whitewashed processing and is used discharge apparatus, includes box and telescopic link, the middle part fixed connection at mount and box top is passed through to the surface of telescopic link, the bottom of telescopic link runs through the box and extends to the inner chamber of box, the bottom fixedly connected with crushing unit of telescopic link to the equal fixedly connected with striker plate in both sides at box inner chamber top, one side fixedly connected with material pump between striker plate and the box, the bottom intercommunication of material pump has a feed nozzle to the bottom joint of box surface has the under casing, the equal fixedly connected with bottom plate in both sides of under casing bottom, the bottom fixedly connected with of under casing inner chamber surface holds carrier, the equal joint in both sides that holds carrier top has the conduction board to the joint between the opposite side of conduction board and the inner wall of under casing.
Preferably, the bearing platform penetrates through the middle of the surface of the bearing part, the bottoms of two sides of the bearing platform are fixedly connected with fixing parts, and the middle of the surface of each fixing part is movably connected with a fixing bolt.
Preferably, the equal fixedly connected with in top between the carrier bottom both sides and the installed part of gim peg adaptation, the both sides corner that holds carrier top middle part sets up to circular-arc.
Preferably, an electric heater and a refrigerator are fixedly connected to two sides between the inner cavity of the bearing piece and the bottom of the inner cavity of the bottom box respectively, and heat conduction pipes and cold conduction pipes are communicated with two sides of the surfaces of the electric heater and the refrigerator respectively.
Preferably, one end of each of the heat transfer pipe and the cold transfer pipe extends through the carrier to the top of the carrier, and the heat transfer pipe and the cold transfer pipe are located at the bottom of the conductive plate.
Preferably, crushing unit includes crushing hammer and mounting panel to the top of crushing hammer and the bottom fixed connection of telescopic link, the top of mounting panel is through the top fixed connection of fixed block with the box inner chamber.
Preferably, a transverse channel is formed in the top of the inner cavity of the crushing hammer, a plurality of longitudinal channels are formed in the surfaces, located on the transverse channel, of the two sides of the top and the bottom of the inner cavity of the crushing hammer, and the transverse channel is communicated with the longitudinal channels.
Preferably, the equal fixedly connected with air cock in both ends between horizontal passageway inner chamber top and the bottom, the gas outlet intercommunication of air cock both sides has the spring pipe, top fixed connection check valve between the vertical passageway inner chamber both sides, the gag lever post of a plurality of groups of fixedly connected with and vertical passageway adaptation of both sides of mounting panel bottom.
Preferably, the other end of the spring pipe penetrates through the striker plate and extends to the other side of the striker plate, and the other end of the spring pipe is communicated with the air inlet end of the pumping pump.
Preferably, the handles are fixedly connected to the two sides of the top of the box body, and the air holes are formed in the bottoms of the two sides of the outer surface of the bottom box.
(III) advantageous effects
The invention provides a controllable discharging device for polysilicon powdering processing. The method has the following beneficial effects:
(1) the controllable discharging device for polysilicon powdering processing is fixedly connected with the middle of the top of a box body through a fixing frame by virtue of the outer surface of a telescopic rod, the bottom end of the telescopic rod penetrates through the box body and extends to the inner cavity of the box body, a crushing assembly is fixedly connected with the bottom end of the telescopic rod, striker plates are fixedly connected with both sides of the top of the inner cavity of the box body, a material pumping pump is fixedly connected with one side between the striker plates and the box body, the bottom end of the material pumping pump is communicated with a material discharging nozzle, a bottom box is clamped with the bottom of the outer surface of the box body, bottom plates are fixedly connected with both sides of the bottom box, a bearing part is fixedly connected with the bottom of the outer surface of the inner cavity of the bottom box, conducting plates are clamped with both sides of the top of the bearing part, when polysilicon is crushed and is subjected to hammer crushing aiming at a silicon block subjected to brittle treatment, silicon powder lifted along with the lifting of the crushing hammer can be collected, thereby effectually avoided the wasting of resources, still let in the air in whole shredding place, can not fly away too much slight dust, avoided the injury to the staff, realize full automation moreover, the staff can not launch this subassembly with manual, can launch by oneself when shredding assembly moves, realize intellectuality, this people of being convenient for use.
(2) The controllable discharging device for polysilicon powdering processing is fixedly connected with the middle of the top of a box body through a fixing frame by virtue of the outer surface of a telescopic rod, the bottom end of the telescopic rod penetrates through the box body and extends to the inner cavity of the box body, a crushing assembly is fixedly connected with the bottom end of the telescopic rod, striker plates are fixedly connected with the two sides of the top of the inner cavity of the box body, a material pumping pump is fixedly connected with one side between the striker plates and the box body, the bottom end of the material pumping pump is communicated with a material discharging nozzle, a bottom box is clamped with the bottom of the outer surface of the box body, bottom plates are fixedly connected with the two sides of the bottom box, a bearing part is fixedly connected with the bottom of the outer surface of the inner cavity of the bottom box, conducting plates are clamped between the other sides of the conducting plates and the inner wall of the bottom box, the special-shaped design of a crushing hammer and the bearing platform ensures that silicon blocks are more thorough when crushed, and effectively avoids silicon powder from being attached to the crushing hammer, and the crushing effect of improvement that can show lets the silicon briquette can be by kibbling more thoroughly, and some comparatively tiny silicon briquettes are smashed fast under the extrusion of dysmorphism angle, even the silicon briquette card appears in vertical passageway, also can be released by the gag lever post when smashing the hammer and rising, avoided the jam of passageway, set up the passageway simultaneously and conveniently smash the operation again, realize the purpose of high-efficient processing, this people of being convenient for use.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the spring rod and the pump according to the present invention;
FIG. 4 is a schematic view of the construction of the size reduction assembly of the present invention;
FIG. 5 is a schematic view of a carrier table structure according to the present invention.
In the figure, 1-box body, 2-telescopic rod, 3-crushing component, 31-crushing hammer, 32-mounting plate, 33-transverse channel, 34-longitudinal channel, 35-air nozzle, 36-one-way valve, 37-limiting rod, 4-baffle plate, 5-suction pump, 6-discharge nozzle, 7-bottom box, 8-bearing piece, 9-conduction plate, 10-bearing table, 11-fixing piece, 12-fixing bolt, 13-mounting piece, 14-electric heater, 15-refrigerator, 16-heat conduction pipe, 17-cold conduction pipe, 18-spring pipe, 19-handle and 20-air vent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the invention provides a technical solution: a controllable discharging device for polysilicon powdering processing comprises a box body 1 and a telescopic rod 2, wherein the outer surface of the telescopic rod 2 is fixedly connected with the middle part of the top of the box body 1 through a fixing frame, the bottom end of the telescopic rod 2 penetrates through the box body 1 and extends to an inner cavity of the box body 1, the bottom end of the telescopic rod 2 is fixedly connected with a crushing component 3, the two sides of the top of the inner cavity of the box body 1 are fixedly connected with baffle plates 4, one side between the baffle plates 4 and the box body 1 is fixedly connected with a pumping pump 5, the bottom end of the pumping pump 5 is communicated with a discharge nozzle 6, the bottom of the outer surface of the box body 1 is clamped with a bottom box 7, the two sides of the bottom box 7 are fixedly connected with bottom plates, the bottom of the outer surface of the inner cavity of the bottom box 7 is fixedly connected with a bearing member 8, the two sides of the top of the bearing member 8 are respectively clamped with a conducting plate 9, the other side of the conducting plate 9 is clamped with the inner wall of the bottom box 7, the conducting plate 9 is a temperature conducting plate, which itself has good thermal conductivity to quickly conduct the temperature generated by the electric heater 14 and the refrigerator 15 to the surface of the silicon block.
In the invention, a bearing platform 10 penetrates through the middle part of the surface of a bearing part 8, fixing parts 11 are fixedly connected to the bottoms of both sides of the bearing platform 10, and a fixing bolt 12 is movably connected to the middle part of the surface of each fixing part 11.
In the invention, the mounting pieces 13 matched with the fixing bolts 12 are fixedly connected to the top between the two sides of the bottom of the bearing piece 8, the corners of the two sides of the middle part of the top of the bearing piece 8 are arc-shaped, and after the bearing piece is designed to be contacted with the crushing hammer 31, concave-convex gaps exist at the corners for extruding and grinding silicon blocks, so that the silicon blocks are crushed more thoroughly.
In the invention, an electric heater 14 and a refrigerator 15 are respectively fixedly connected with two sides between the inner cavity of a bearing piece 8 and the bottom of the inner cavity of a bottom box 7, two sides of the surfaces of the electric heater 14 and the refrigerator 15 are respectively communicated with a heat conduction pipe 16 and a cold conduction pipe 17, and the bearing piece 8 is made of 15CrMo steel and is used for supporting the impact of a crushing hammer 31.
In the invention, one end of each of the heat conduction pipe 16 and the cold conduction pipe 17 penetrates through the bearing part 8 and extends to the top of the bearing part 8, the heat conduction pipe 16 and the cold conduction pipe 17 are positioned at the bottom of the conduction plate 9, the heat conduction pipe 16 and the cold conduction pipe 17 are polyurethane steel pipes and are embedded in the bearing part 8, and the heat insulation performance and the corrosion resistance performance are good.
In the invention, the crushing assembly 3 comprises the crushing hammer 31 and the mounting plate 32, the top of the crushing hammer 31 is fixedly connected with the bottom end of the telescopic rod 2, the top of the mounting plate 32 is fixedly connected with the top of the inner cavity of the box body 1 through a fixing block, and the crushing hammer 31 is made of high-chromium alloy and has high-strength impact resistance effect.
In the invention, the top of the inner cavity of the crushing hammer 31 is provided with a transverse channel 33, the crushing hammer 31 is matched with the middle part of the surface of the bearing member 8, the surfaces of the crushing hammer 31 and the bearing member are all provided with special-shaped structures which can be mutually attached, the crushing hammer 31 can be attached to the top surface of the bearing member 8 when being hammered, a gap exists between the crushing hammer 31 and the bearing member only at the arc-shaped structure at the corner, the two sides of the top and the bottom of the inner cavity of the crushing hammer 31 and the surface of the transverse channel 33 are provided with a plurality of longitudinal channels 34, and the transverse channel 33 is communicated with the longitudinal channels 34.
According to the invention, air nozzles 35 are fixedly connected to two ends between the top and the bottom of an inner cavity of the transverse channel 33, air outlets on two sides of the air nozzles 35 are communicated with the spring tube 18, a one-way valve 36 is fixedly connected to the top end between two sides of an inner cavity of the longitudinal channel 34, a plurality of groups of limiting rods 37 matched with the longitudinal channel 34 are fixedly connected to two sides of the bottom of the mounting plate 32, the one-way valves 36 are flap type one-way valves, flaps are combined to form sealing in a normal state, and the limiting rods 37 are inserted to open the flaps.
In the invention, the other end of the spring tube 18 penetrates through the striker plate 4 and extends to the other side of the striker plate 4, the other end of the spring tube 18 is communicated with the air inlet end of the material pumping pump 5, and the spring tube 18 is a metal corrugated hose with elasticity.
In the invention, handles 19 are fixedly connected to both sides of the top of the box body 1, and air holes 20 are formed in the bottoms of both sides of the outer surface of the bottom box 7.
When in use, firstly, the handle 19 is held, the whole box body 1 is lifted, then the bearing platform 10 is clamped at the bottom of the bearing part 8, the fixing frame 11 and the mounting part 13 are clamped and fixed through the fixing bolt 12, then, the processing can be carried out, the silicon block to be crushed is placed at the top of the bearing part 8, then, the box body 1 is covered back, at the moment, the conductive plate 9 is heated through the electric heater 14 and the heat conduction pipe 16 to heat the silicon block so as to increase the temperature of the silicon block, the heater is closed after the continuous heating for a period of time, the conductive plate 9 is refrigerated through the refrigerator 15 and the cold conduction pipe 17 to rapidly cool the silicon block so as to embrittle the silicon block, then, the refrigerator 15 is closed after the primary processing is finished, the crushing hammer 31 is driven by the telescopic rod 2 to hammer-crush the silicon block, the silicon block collides with the top of the bearing part 8 and the concave-convex structure on the surface of the crushing hammer 31, the crushing efficiency is improved, the material pumping pump 5 is started at the same time, the material pumping pump 5 generates suction force, when the crushing hammer 31 descends, the limiting rod 37 can be separated from the longitudinal channel 34, then the transverse channel 33 is communicated with the longitudinal channel 34, at the moment, the suction force can be applied to the longitudinal channel 34 to absorb the silicon powder lifted in the box body, therefore, the purpose of recycling is realized, when the crushing hammer 31 rises, firstly the crushing hammer passes through the check valve 36 and then is attached to the longitudinal channel 34 to close the communication between the transverse channel 33 and the longitudinal channel, the absorbed silicon powder enters from the air nozzle 35 and then enters the material pumping pump 5 through the spring pipe 18, the material pumping pump 5 sprays the silicon powder on the conduction plate 9 through the material discharging nozzle 6, the silicon powder slides to the bottom along the angle of the conduction plate 9, after the crushing is finished, the fixing bolt 12 is screwed and the plummer 10 is drawn out, so that small part of controllable discharging can be carried out, and if large-scale discharging is needed, the whole box body 1 can be lifted.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.