CN115518936B - Pickling equipment of solar grade polycrystalline silicon material - Google Patents
Pickling equipment of solar grade polycrystalline silicon material Download PDFInfo
- Publication number
- CN115518936B CN115518936B CN202211319070.4A CN202211319070A CN115518936B CN 115518936 B CN115518936 B CN 115518936B CN 202211319070 A CN202211319070 A CN 202211319070A CN 115518936 B CN115518936 B CN 115518936B
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- pickling
- roller
- supporting shaft
- fixed
- cylinder
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- 238000005554 pickling Methods 0.000 title claims abstract description 205
- 239000002210 silicon-based material Substances 0.000 title claims abstract description 41
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 239000002253 acid Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 229920005591 polysilicon Polymers 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000001802 infusion Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention relates to the technical field of polysilicon materials, in particular to a solar-grade polysilicon material acid washing device which comprises an acid washing box body and an acid washing roller, wherein a feeding bin and the acid washing tank are arranged in an inner cavity of the acid washing box body, a sealing door for blocking is arranged between the feeding bin and the acid washing tank, sliding rails are arranged on two sides of the top of the inner cavity of the acid washing box body, a cross beam is connected between the sliding rails in a sliding manner, electric telescopic rods are arranged on two sides of the bottom of the cross beam, a clamping mechanism is arranged at the bottom of each electric telescopic rod and used for clamping the acid washing roller and sending the acid washing roller into the acid washing tank, and a mounting frame for fixing the acid washing roller is arranged in the acid washing tank; according to the invention, the pickling roller and the mounting frame are arranged, the pickling roller can be fixedly clamped through the mounting frame, the pickling roller is driven to rotate through the driving mechanism, the pickling roller can vibrate back and forth, the silicon material can turn over along with the rotation of the pickling roller and vibrate at the same time, the silicon material is ensured to be always in a moving state, and the pickling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of polysilicon materials, in particular to acid cleaning equipment for solar grade polysilicon materials.
Background
The raw material used for preparing the monocrystalline silicon is a silicon material. Because the silicon material contains impurities such as metal, metal oxide and the like, the purity of the monocrystalline silicon can be influenced in the process of preparing the monocrystalline silicon. Therefore, the silicon material needs to be pickled to remove impurities in the silicon material. The traditional silicon material is subjected to acid washing and impurity removal, the silicon material is placed into an acid washing tank containing acid liquor for static soaking, and the method is the simplest and cost-saving mode. However, the surface of the silicon material reacts with the acid during the rest and the acid treating ability is required to be slowly released for a long time.
In the prior art, as disclosed in application number 2016104954215, a horizontal split type silicon material pickling impurity removing device specifically comprises a double-purpose hopper, a stirring device, a driving device and an environment-friendly cover, wherein an opening at the upper end of the double-purpose hopper corresponds to an opening at the lower end of the environment-friendly cover; through setting up the double-purpose hopper, loading and unloading and filtration process are all very convenient, can stir through agitating unit.
However, in the application of 2016104954215, the silicon material is stirred by the stirring rod, and the whole pickling tank is motionless, so that the silicon material is accumulated at the bottom of the pickling tank and is even clamped in a gap, the pickling effect is affected, and the trouble is caused when the silicon material is taken out later.
Disclosure of Invention
The invention aims to provide a solar grade polysilicon silicon material pickling device so as to solve the problems in the background technology.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a pickling equipment of solar energy level polycrystalline silicon material, includes pickling box and pickling roller, the inner chamber of pickling box is provided with feeding storehouse and pickling tank, is provided with the sealing door that is used for the separation between feeding storehouse and the pickling tank, and the inner chamber top both sides of pickling box all are provided with the slide rail, slide between the slide rail and link to each other have the crossbeam, and the bottom both sides of crossbeam all are provided with electric telescopic handle, and electric telescopic handle's bottom is provided with fixture, and fixture is used for the centre gripping pickling roller and sends into the pickling tank, is provided with the mounting bracket that is used for fixed pickling roller in the pickling tank, and two inside walls of pickling tank are provided with the shower nozzle, and the shower nozzle is used for spraying the pickling roller.
Further, the rear end of the feeding bin is provided with a push plate for pushing the pickling roller, the rear end of the pickling box body is fixedly provided with a first hydraulic cylinder, and the movable end of the first hydraulic cylinder penetrates through the rear side wall of the pickling box body and is connected with the push plate.
Further, the both ends of crossbeam all are fixed to link to each other and are had seted up with gyro wheel matched with movable groove, and the crossbeam passes through gyro wheel and slide rail activity and links to each other, and the inner chamber of crossbeam rotates and links to each other there is the lead screw, and the top of electric telescopic handle is fixed to link to each other there is spacing slider, and spacing slider links to each other with the lead screw thread.
Further, fixture includes the fixed plate, and the bottom of fixed plate is provided with two anchor clamps relatively, and the inner chamber of fixed plate rotates and is linked to each other has two-way threaded rod, and the top of anchor clamps is fixed to be linked to each other to remove the slider, removes the slider and links to each other with two-way threaded rod screw thread, and two removal sliders are located two opposite thread groove departments in two ends of two-way threaded rod respectively.
Further, the mounting bracket includes first back shaft and second back shaft, and first back shaft and second back shaft are located the both ends of pickling tank respectively, and first back shaft is fixed in the inside wall of pickling tank, and the rear end of second back shaft is provided with the second pneumatic cylinder, and the expansion end of second pneumatic cylinder links to each other with the second back shaft is fixed, and the surface cover of second back shaft is equipped with the bracket, and the bracket is fixed in the bottom of pickling tank, and the second back shaft links to each other with the bracket is slided, and first back shaft and second back shaft are used for supporting the pickling roller, and one side of first back shaft is provided with actuating mechanism, and actuating mechanism is used for driving the pickling roller and rotates.
Further, actuating mechanism includes driven gear, and driven gear overlaps in the surface of first back shaft, and driven gear rotates with first back shaft and link to each other, and driven gear's inside wall is provided with two inserted bars relatively, and pickling roller's one end has been seted up with inserted bar matched with jack, and driven gear's top meshing has the driving gear, and driving gear's the outside is provided with driving motor, and driving motor is fixed in the lateral wall of pickling box, and driving motor's output links to each other with the driving gear.
Further, a fixed shaft is arranged at the center of the pickling roller, the pickling roller is rotationally connected with the fixed shaft, a first connecting rod and a second connecting rod are respectively arranged at two ends of the fixed shaft, a first through hole matched with the first connecting rod is formed at one end of the first supporting shaft, which is far away from the driven gear, a second through hole matched with the second connecting rod is formed at one end of the second supporting shaft, which is far away from the second hydraulic cylinder, and the first supporting shaft and the second supporting shaft are used for fixedly clamping the fixed shaft;
the pickling roller is provided with sealed lid far away from actuating mechanism's one end, and sealed lid links to each other with the pickling roller buckle, and the inner chamber of pickling roller is provided with pickling cylinder and cylinder, and pickling cylinder links to each other with the pickling roller is fixed, and the cylinder links to each other with the fixed axle, and the feed liquor hole has all been seted up on pickling roller and pickling cylinder's surface.
Further, a spiral chute is formed in the surface of the cylinder, a first lug is fixedly connected to the inner side wall of the pickling roller, the pickling roller is movably connected with the cylinder through the first lug, and the pickling roller rotates relatively to the cylinder and moves forwards and backwards;
the inner cavity of the pickling roller is provided with a plurality of hollow cylindrical screening plates from inside to outside, the surfaces of the screening plates are provided with screening holes, and the inner diameters of the screening holes are gradually reduced from inside to outside.
Further, both inner side walls of the pickling tank are provided with lifting frames, the spray nozzle arrays are distributed on the surfaces of the lifting frames, sliding rods are fixedly connected to the inner side walls of the pickling tank, the lifting frames slide up and down in the pickling tank through the sliding rods, infusion pipes are fixedly connected to the bottoms of the lifting frames, and one ends, far away from the lifting frames, of the infusion pipes are connected with the acid-resistant pumps.
Further, the top of crane is provided with the carousel, and the carousel rotates with the inside wall of pickling tank and links to each other, and the fixed surface that the carousel is close to the lateral wall links to each other has first gag lever post, and the surface cover of first gag lever post is equipped with the actuating lever, and the actuating lever links to each other with first gag lever post activity, and the fixed second lug that links to each other in top of crane, the fixed surface of second lug link to each other has the second gag lever post, and the one end that the first gag lever post was kept away from to the actuating lever post links to each other with the second gag lever post activity.
The invention has the beneficial effects that:
1. according to the invention, the pickling roller and the mounting frame are arranged, the fixed shaft of the pickling roller can be fixedly clamped through the mounting frame, then the pickling roller is driven to rotate through the driving mechanism, the pickling roller can vibrate back and forth, the silicon material can turn over along with the rotation of the pickling roller and vibrate at the same time, the silicon material is ensured to be always in a moving state, and the pickling efficiency is improved;
2. according to the invention, the lifting spray heads are arranged on the two sides of the pickling roller, so that the spray heads can spray the surface of the pickling roller all the time, the silicon material is prevented from being blocked in the gaps, and the silicon material and the acid liquor can be fully contacted, thereby realizing the purpose of pickling;
3. according to the invention, the conveying mechanism is arranged, the pickling roller is fixedly clamped through the clamping mechanism, the electric telescopic rod realizes lifting movement, and the pickling roller can enter and exit through the sliding rail.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the pickling tank of the present invention;
FIG. 3 is a schematic illustration of the attachment of the pickling roller to the mounting bracket of the present invention;
FIG. 4 is a schematic illustration of the connection of the motorized telescopic rod to the cross beam of the present invention;
FIG. 5 is a schematic view of the clamping mechanism of the present invention;
FIG. 6 is an expanded schematic view of the pickling roller and mounting bracket of the present invention;
FIG. 7 is a schematic view of the structure of the pickling roller of the present invention;
FIG. 8 is a schematic view showing the internal structure of the pickling roller of the present invention;
fig. 9 is a schematic view of the structure of the spray head of the present invention.
Reference numerals in the drawings are as follows:
1. a pickling tank body; 2. a feeding bin; 21. a push plate; 22. a first hydraulic cylinder; 3. sealing the door; 4. a slide rail; 5. a cross beam; 51. a roller; 52. a screw rod; 6. an electric telescopic rod; 61. a limit sliding block; 7. a clamping mechanism; 71. a fixing plate; 72. a clamp; 73. a two-way threaded rod; 74. moving the slide block; 8. a mounting frame; 81. a first support shaft; 82. a second support shaft; 821. a second hydraulic cylinder; 822. a bracket; 83. a driving mechanism; 831. a driven gear; 832. a rod; 833. a drive gear; 834. a driving motor; 9. a pickling roller; 90. a fixed shaft; 901. a first link; 902. a second link; 91. sealing cover; 92. a pickling roller; 921. dividing the sieve plate; 922. a sieve pore; 93. a cylinder; 931. a chute; 94. a liquid inlet hole; 95. a first bump; 10. a spray head; 11. a lifting frame; 12. a slide bar; 13. an infusion tube; 14. a turntable; 15. a first stop lever; 16. a driving rod; 17. a second bump; 18. and the second limiting rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to figures 1, 2 and 9, the solar grade polysilicon silicon material pickling equipment comprises a pickling box body 1 and pickling rollers 9, wherein a feeding bin 2 and a pickling tank are arranged in the inner cavity of the pickling box body 1, silicon materials are put into the pickling rollers 9, then the pickling rollers 9 are sent into the pickling box body 1 along the feeding bin 2, finally the pickling rollers 9 are put into the pickling tank for pickling, a sealing door 3 for blocking is arranged between the feeding bin 2 and the pickling tank for forming an independent closed space for the pickling tank, sliding rails 4 are arranged on two sides of the top of the inner cavity of the pickling box body 1, a cross beam 5 is connected between the sliding rails 4 in a sliding manner, electric telescopic rods 6 are arranged on two sides of the bottom of the cross beam 5, clamping mechanisms 7 are arranged at the bottom of the electric telescopic rods 6 and used for clamping the pickling rollers 9, then rise pickling roller 9 through electric telescopic handle 6, inwards slide into along slide rail 4 through crossbeam 5 then, until send into pickling roller 9 the pickling tank in, be provided with the mounting bracket 8 that is used for fixed pickling roller 9 in the pickling tank, simultaneously, the acidizing fluid in the pickling tank can soak the silicon material in the pickling roller 9, and the acidizing fluid submerges pickling roller 9 at most half, can carry out at the uniform velocity rotation along mounting bracket 8 through pickling roller 9, pivoted speed is adjustable, and when pickling roller 9 rotates, the silicon material can be in the bottom of pickling roller 9 all the time, the silicon material is in the state of motion all the time, guarantee the effect of pickling, two inside walls of pickling tank are provided with shower nozzle 10, shower nozzle 10 is used for spraying the silicon material in the pickling roller 9, can prevent that the silicon material from blocking in the clearance.
Referring to fig. 2, a push plate 21 for pushing the pickling roller 9 is arranged at the rear end of the feeding bin 2, a first hydraulic cylinder 22 is fixedly arranged at the rear end of the pickling tank 1, the movable end of the first hydraulic cylinder 22 penetrates through the rear side wall of the pickling tank 1 to be connected with the push plate 21, after pickling of silicon materials is completed, the pickling roller 9 can be placed on the feeding bin 2, and then the push plate 21 is pushed by the first hydraulic cylinder 22, so that the pickling roller 9 can be pushed out.
Referring to fig. 3 and 4, the rollers 51 are fixedly connected to two ends of the cross beam 5, the movable grooves matched with the rollers 51 are formed in the side walls of the slide rail 4, the cross beam 5 is movably connected with the slide rail 4 through the rollers 51, the screw 52 is rotatably connected to the inner cavity of the cross beam 5, the limit sliding block 61 is fixedly connected to the top end of the electric telescopic rod 6, the limit sliding block 61 is in threaded connection with the screw 52, the two electric telescopic rods 6 can synchronously move through the rotation of the screw 52, and the distance between the two electric telescopic rods 6 is larger than that of the pickling roller 9, so that the pickling roller 9 can be ensured between the two electric telescopic rods 6.
Referring to fig. 5, the clamping mechanism 7 includes a fixing plate 71, two clamps 72 are oppositely disposed at the bottom of the fixing plate 71, the clamps 72 are used for clamping the fixed shaft 90 on the pickling roller 9, a notch corresponding to the fixed shaft 90 is formed in the inner side wall of the clamp 72, a bidirectional threaded rod 73 is rotatably connected to the inner cavity of the fixing plate 71, a movable slider 74 is fixedly connected to the top end of the clamp 72, the movable slider 74 is in threaded connection with the bidirectional threaded rod 73, the two movable sliders 74 are respectively located at thread grooves opposite to two ends of the bidirectional threaded rod 73, and the two clamps 72 can simultaneously move inwards or outwards, so that the clamping and releasing of the fixed shaft 90 are realized.
Referring to fig. 6, the mounting frame 8 includes a first support shaft 81 and a second support shaft 82, where the first support shaft 81 and the second support shaft 82 are respectively located at two ends of the pickling tank, the first support shaft 81 and the second support shaft 82 are used to fix two ends of the fixed shaft 90, the first support shaft 81 is fixed on an inner sidewall of the pickling tank, the second support shaft 82 is movable, a second hydraulic cylinder 821 is disposed at a rear end of the second support shaft 82, a movable end of the second hydraulic cylinder 821 is fixedly connected with the second support shaft 82, a bracket 822 is sleeved on a surface of the second support shaft 82, the bracket 822 is fixed at a bottom of the pickling tank, the second support shaft 82 is slidably connected with the bracket 822, the first support shaft 81 and the second support shaft 82 are used to support the fixed shaft 90 on the pickling roller 9, a driving mechanism 83 is disposed on one side of the first support shaft 81, the pickling roller 9 is rotatable relative to the fixed shaft 90, and the driving mechanism 83 is used to drive the pickling roller 9 to rotate.
The driving mechanism 83 comprises a driven gear 831, the driven gear 831 is sleeved on the surface of the first supporting shaft 81, the driven gear 831 is rotationally connected with the first supporting shaft 81, two inserted rods 832 are oppositely arranged on the inner side wall of the driven gear 831, insertion holes matched with the inserted rods 832 are formed in one end of the pickling roller 9, the inserted rods 832 can be inserted into the insertion holes, thereby fixing the pickling roller 9, the pickling roller 9 can be driven to rotate by the insertion holes, a driving gear 833 is meshed with the top of the driven gear 831, a driving motor 834 is arranged on the outer side of the driving gear 833, the driving motor 834 is fixed on the outer side wall of the pickling box 1, and the output end of the driving motor 834 is connected with the driving gear 833.
Referring to fig. 6 and 7, a fixed shaft 90 is provided at the center of the pickling roller 9, the pickling roller 9 is rotatably connected with the fixed shaft 90, two ends of the fixed shaft 90 are respectively provided with a first connecting rod 901 and a second connecting rod 902, one end of the first supporting shaft 81, which is far away from the driven gear 831, is provided with a first through hole matched with the first connecting rod 901, one end of the second supporting shaft 82, which is far away from the second hydraulic cylinder 821, is provided with a second through hole matched with the second connecting rod 902, the first supporting shaft 81 and the second supporting shaft 82 are used for fixedly clamping the fixed shaft 90, after the fixed shaft 90 is moved to be aligned with the two supporting shafts, the second hydraulic cylinder 821 pushes the second supporting shaft 82, so that the first connecting rod 901 is inserted into the second supporting shaft 82, the fixed shaft 90 is continuously pushed, the first connecting rod 901 is inserted into the first supporting shaft 81 and is abutted against the fixed shaft 90, and then the clamping mechanism 7 releases the fixed shaft 90;
referring to fig. 7 and 8, a sealing cover 91 is arranged at one end of the pickling roller 9 away from the driving mechanism 83, the sealing cover 91 is connected with the pickling roller 9 in a buckling manner, a pickling roller 92 and a cylinder 93 are arranged in an inner cavity of the pickling roller 9, the pickling roller 92 is fixedly connected with the pickling roller 9, the cylinder 93 is connected with a fixed shaft 90, the pickling roller 92 can rotate along with the pickling roller 9, the cylinder 93 can be kept still, and liquid inlets 94 for allowing acid liquid to enter and exit are formed in surfaces of the pickling roller 9 and the pickling roller 92.
The surface of the cylinder 93 is provided with a spiral chute 931, the inner side wall of the pickling roller 9 is fixedly connected with a first lug 95, the pickling roller 9 is movably connected with the cylinder 93 through the first lug 95, and the pickling roller 92 relatively rotates and moves back and forth relative to the cylinder 93;
the inner chamber of pickling cylinder 92 from inside to outside distributes a plurality of hollow cylinder's branch sieve 921 that are, and sieve mesh 922 has all been seted up to the surface of branch sieve 921, and the internal diameter of sieve mesh 922 reduces by inside to outside step by step, can sieve the silicon material, can separate the silicon material and carry out the pickling simultaneously.
Referring to fig. 9, two inner side walls of the pickling tank are provided with lifting frames 11, spray heads 10 are distributed on the surfaces of the lifting frames 11, sliding rods 12 are fixedly connected to the inner side walls of the pickling tank, the lifting frames 11 can slide up and down in the pickling tank through the sliding rods 12, a transfusion tube 13 is fixedly connected to the bottom of the lifting frames 11, one end, far away from the lifting frames 11, of the transfusion tube 13 is connected with an acid-resistant pump, the surfaces of the pickling rollers 9 are sprayed through the spray heads 10, silicon materials can be prevented from being clamped in sieve holes 922, and the silicon materials can be kept in a moving state all the time.
The top of crane 11 is provided with carousel 14, carousel 14 rotates with the inside wall of pickling tank and links to each other, and carousel 14 is close to the fixed surface that is close to the lateral wall and is linked to each other and is had first gag lever post 15, and the surface cover of first gag lever post 15 is equipped with actuating lever 16, and actuating lever 16 links to each other with first gag lever post 15 activity, and the fixed second lug 17 that links to each other at the top of crane 11, and the fixed surface of second lug 17 links to each other and is had second gag lever post 18, and the one end that first gag lever post 15 was kept away from to actuating lever post 16 links to each other with second gag lever post 18 activity.
The working principle of the invention is as follows: firstly placing silicon materials on a center-most split screen plate 921 of a pickling roller 92, then covering a sealing cover 91, inwards pushing a pickling roller 9 along a feeding bin 2, then lowering clamping mechanisms 7, enabling two clamping mechanisms 7 to be positioned on two sides of the pickling roller 9, fixedly clamping two ends of a fixed shaft 90 through the clamping mechanisms 7, lifting the pickling roller 9 through an electric telescopic rod 6, sliding a cross beam 5 along a sliding rail 4, feeding the pickling roller 9 into a pickling tank and closing a sealing door 3, putting down the pickling roller 9 so that the fixed shaft 90 is aligned with two support shafts, pushing a second support shaft 82 through a second hydraulic cylinder 821, enabling a second connecting rod 902 on the fixed shaft 90 to be inserted into the second support shaft 82, continuing to push forward, enabling a first connecting rod 901 to be inserted into the first support shaft 81, enabling an inserting rod 832 to be inserted into a jack, and accordingly fixing the pickling roller 9, loosening the clamping mechanisms 7 and lifting; at this time, the driving motor 834 is started, the driving motor 834 drives the pickling roller 9 to rotate along the fixed shaft 90 through the cooperation of the driving gear 833 and the driven gear 831 by the inserted link 832, meanwhile, the first protruding block 95 in the pickling roller 9 slides along the sliding groove 931 on the surface of the cylinder 93, so as to realize the rotation and the left-right swing of the pickling roller 92, thereby enabling the silicon material to move, the silicon material can be further separated in the pickling roller 92, simultaneously, the turntable 14 rotates, and the turntable 14 drives the lifting frame 11 to move up and down through the driving link 16, so that the spray head 10 sprays against the pickling roller 9, and the silicon material can be prevented from being blocked in the sieve holes 922; finally, after the pickling is finished, the clamping mechanism 7 is lowered again, the clamping fixing shafts 90 are fixed, the pickling roller 9 is separated from the two supporting shafts and is dried, finally, the sealing door 3 is opened, the pickling roller 9 is placed on the feeding bin 2, and the push plate 21 pushes the pickling roller out.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (4)
1. The utility model provides a pickling equipment of solar grade polycrystalline silicon material, includes pickling box (1) and pickling roller (9), its characterized in that, the inner chamber of pickling box (1) is provided with feeding storehouse (2) and pickling tank, the top of pickling box (1) is provided with the vent, be provided with between feeding storehouse (2) and the pickling tank and be used for the sealing door (3) of separation, the inner chamber top both sides of pickling box (1) all are provided with slide rail (4), slide rail (4) between the slip link have crossbeam (5), the bottom both sides of crossbeam (5) all are provided with electric telescopic handle (6), the bottom of electric telescopic handle (6) is provided with fixture (7), fixture (7) are used for centre gripping pickling roller (9) and send into the pickling tank in, be provided with in the pickling tank and be used for fixing the mounting bracket (8) of pickling roller (9), two inside walls of pickling tank are provided with shower nozzle (10), shower nozzle (10) are used for pickling roller (9);
the two ends of the cross beam (5) are fixedly connected with idler wheels (51), movable grooves matched with the idler wheels (51) are formed in the side walls of the sliding rails (4), the cross beam (5) is movably connected with the sliding rails (4) through the idler wheels (51), a lead screw (52) is rotatably connected with an inner cavity of the cross beam (5), a limit sliding block (61) is fixedly connected with the top end of the electric telescopic rod (6), and the limit sliding block (61) is connected with the lead screw (52) in a threaded mode;
the clamping mechanism (7) comprises a fixed plate (71), two clamps (72) are oppositely arranged at the bottom of the fixed plate (71), a bidirectional threaded rod (73) is rotatably connected to the inner cavity of the fixed plate (71), a movable slide block (74) is fixedly connected to the top end of the clamp (72), the movable slide block (74) is in threaded connection with the bidirectional threaded rod (73), and the two movable slide blocks (74) are respectively positioned at thread grooves opposite to the two ends of the bidirectional threaded rod (73);
the mounting frame (8) comprises a first supporting shaft (81) and a second supporting shaft (82), the first supporting shaft (81) and the second supporting shaft (82) are respectively positioned at two ends of the pickling tank, the first supporting shaft (81) is fixed on the inner side wall of the pickling tank, a second hydraulic cylinder (821) is arranged at the rear end of the second supporting shaft (82), the movable end of the second hydraulic cylinder (821) is fixedly connected with the second supporting shaft (82), a bracket (822) is sleeved on the surface of the second supporting shaft (82), the bracket (822) is fixed at the bottom of the pickling tank, the second supporting shaft (82) is connected with the bracket (822) in a sliding mode, the first supporting shaft (81) and the second supporting shaft (82) are used for supporting the pickling roller (9), a driving mechanism (83) is arranged on one side of the first supporting shaft (81), and the driving mechanism (83) is used for driving the pickling roller (9) to rotate;
a spiral chute (931) is formed in the surface of the cylinder (93), a first lug (95) is fixedly connected to the inner side wall of the pickling roller (9), the pickling roller (9) is movably connected with the cylinder (93) through the first lug (95), and the pickling roller (92) rotates relatively to the cylinder (93) and moves forwards and backwards;
the inner cavity of the pickling roller (92) is provided with a plurality of hollow cylindrical screening plates (921) from inside to outside, the surfaces of the screening plates (921) are provided with screening holes (922), and the inner diameters of the screening holes (922) are gradually reduced from inside to outside;
lifting frames (11) are arranged on two inner side walls of the pickling tank, spray heads (10) are distributed on the surface of the lifting frames (11), sliding rods (12) are fixedly connected in the side walls of the pickling tank, the lifting frames (11) slide up and down in the pickling tank through the sliding rods (12), infusion pipes (13) are fixedly connected to the bottoms of the lifting frames (11), and one ends, far away from the lifting frames (11), of the infusion pipes (13) are connected with an acid-resistant pump;
the pickling roller (9) is provided with a fixed shaft (90) at the center, the pickling roller (9) is rotationally connected with the fixed shaft (90), two ends of the fixed shaft (90) are respectively provided with a first connecting rod (901) and a second connecting rod (902), one end of a first supporting shaft (81) far away from a driven gear (831) is provided with a first through hole matched with the first connecting rod (901), one end of a second supporting shaft (82) far away from a second hydraulic cylinder (821) is provided with a second through hole matched with the second connecting rod (902), and the first supporting shaft (81) and the second supporting shaft (82) are used for fixedly clamping the fixed shaft (90);
one end that actuating mechanism (83) was kept away from to pickling roller (9) is provided with sealed lid (91), and sealed lid (91) links to each other with pickling roller (9) buckle, and the inner chamber of pickling roller (9) is provided with pickling cylinder (92) and cylinder (93), and pickling cylinder (92) link to each other with pickling roller (9) is fixed, and cylinder (93) link to each other with fixed axle (90), and feed liquor hole (94) have all been seted up on the surface of pickling roller (9) and pickling cylinder (92).
2. The solar grade polysilicon silicon material pickling device according to claim 1, wherein a push plate (21) for pushing a pickling roller (9) is arranged at the rear end of the feeding bin (2), a first hydraulic cylinder (22) is fixedly arranged at the rear end of the pickling tank body (1), and the movable end of the first hydraulic cylinder (22) penetrates through the rear side wall of the pickling tank body (1) and is connected with the push plate (21).
3. The solar grade polysilicon silicon material pickling device according to claim 2, wherein the driving mechanism (83) comprises a driven gear (831), the driven gear (831) is sleeved on the surface of the first supporting shaft (81), the driven gear (831) is rotationally connected with the first supporting shaft (81), two inserting rods (832) are oppositely arranged on the inner side wall of the driven gear (831), an inserting hole matched with the inserting rods (832) is formed in one end of the pickling roller (9), a driving gear (833) is meshed with the top of the driven gear (831), a driving motor (834) is arranged on the outer side of the driving gear (833), the driving motor (834) is fixed on the outer side wall of the pickling box body (1), and the output end of the driving motor (834) is connected with the driving gear (833).
4. A pickling device for solar grade polysilicon silicon material according to claim 3, characterized in that, the top of crane (11) is provided with carousel (14), carousel (14) rotate with the inside wall of pickling tank and link to each other, the fixed surface that carousel (14) is close to the lateral wall links to each other has first gag lever post (15), the surface cover of first gag lever post (15) is equipped with actuating lever (16), and actuating lever (16) and first gag lever post (15) activity link to each other, the fixed second lug (17) that links to each other in top of crane (11), the fixed surface of second lug (17) links to each other has second gag lever post (18), the one end that first gag lever post (15) was kept away from to actuating lever (16) links to each other with second gag lever post (18) activity.
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| CN202211319070.4A CN115518936B (en) | 2022-10-26 | 2022-10-26 | Pickling equipment of solar grade polycrystalline silicon material |
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| CN202211319070.4A CN115518936B (en) | 2022-10-26 | 2022-10-26 | Pickling equipment of solar grade polycrystalline silicon material |
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