CN115518936A - Acid pickling equipment for solar-grade polycrystalline silicon material - Google Patents
Acid pickling equipment for solar-grade polycrystalline silicon material Download PDFInfo
- Publication number
- CN115518936A CN115518936A CN202211319070.4A CN202211319070A CN115518936A CN 115518936 A CN115518936 A CN 115518936A CN 202211319070 A CN202211319070 A CN 202211319070A CN 115518936 A CN115518936 A CN 115518936A
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- pickling
- roller
- supporting shaft
- silicon material
- rod
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- 238000005554 pickling Methods 0.000 title claims abstract description 185
- 239000002210 silicon-based material Substances 0.000 title claims abstract description 50
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 19
- 239000002253 acid Substances 0.000 title claims description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 12
- 229920005591 polysilicon Polymers 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 abstract 1
- 230000005526 G1 to G0 transition Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 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
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
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- 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 polycrystalline silicon materials, in particular to pickling equipment for a solar-grade polycrystalline silicon material, which comprises a pickling box body and a pickling roller, wherein a feeding bin and a pickling tank are arranged in an inner cavity of the pickling box body; according to the invention, the pickling roller and the mounting rack are arranged, the pickling roller can be fixedly clamped through the mounting rack, the drive mechanism drives the pickling roller to rotate, and the pickling roller can vibrate back and forth, so that a silicon material can turn over and vibrate simultaneously along with the rotation of the pickling roller, the silicon material is ensured to be in a moving state all the time, and the pickling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of polycrystalline silicon materials, in particular to acid washing equipment for a solar-grade polycrystalline silicon material.
Background
The raw material used for preparing the monocrystalline silicon is a silicon material. Since the silicon material contains impurities such as metal and metal oxide, the purity of the single crystal silicon is affected in the process of preparing the single crystal silicon. Therefore, the silicon material needs to be acid-washed to remove impurities in the silicon material. The traditional silicon material pickling impurity removal method is to put the silicon material into a pickling 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 static process, and the processing capacity of the acid needs to be slowly released for a long time.
In the prior art, for example, application number 2016104954215 discloses a horizontal split type silicon material pickling impurity removal device, which specifically comprises a dual-purpose hopper, a stirring device, a driving device and an environment-friendly cover, wherein an opening at the upper end of the dual-purpose hopper corresponds to an opening at the lower end of the environment-friendly cover; through setting up the double-purpose hopper, it is all very convenient to load and unload material and filtration process, can stir through agitating unit.
However, in the application disclosed in 2016104954215, the silicon material is stirred by the stirring rod, and the whole pickling tank is still stationary, so that the silicon material is accumulated at the bottom of the pickling tank and even is clamped in the gap, the pickling effect is affected, and the trouble is caused when the silicon material is taken out subsequently.
Disclosure of Invention
The invention aims to provide acid washing equipment for a solar-grade polysilicon silicon material, which aims to solve the problems in the background technology.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a pickling equipment of solar energy level polycrystalline silicon material, including pickling box and pickling roller, the inner chamber of pickling box is provided with feeding storehouse and descaling bath, be provided with the sealing door that is used for the separation between feeding storehouse and the descaling bath, the inner chamber top both sides of pickling box all are provided with the slide rail, it links to each other to slide between the slide rail has the crossbeam, the bottom both sides of crossbeam all are provided with electric telescopic handle, electric telescopic handle's bottom is provided with fixture, fixture is used for centre gripping pickling roller and sends into the descaling bath, be provided with the mounting bracket that is used for fixed pickling roller in the descaling bath, two inside walls of descaling bath are provided with the shower nozzle, the shower nozzle is used for spraying the pickling roller.
Furthermore, the rear end of the feeding bin is provided with a push plate used for pushing the pickling roller, a first hydraulic cylinder is fixedly mounted at the rear end of the pickling box body, 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 equal stationary phase in both ends of crossbeam even has the gyro wheel, and the lateral wall of slide rail is seted up and is linked to each other with gyro wheel matched with activity groove, and the crossbeam passes through the gyro wheel and links to each other with the slide rail activity, and the inner chamber of crossbeam rotates and links to each other has the lead screw, and electric telescopic handle's top stationary phase even has spacing slider, and spacing slider and lead screw thread link to each other.
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 links to each other with the two-way threaded rod, and the top stationary phase of anchor clamps even has the removal slider, and the removal slider links to each other with two-way threaded rod screw thread, and two removal sliders are located two-way threaded rod opposite thread groove departments in both ends 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 descaling bath respectively, first back shaft is fixed in the inside wall of descaling bath, the rear end of second back shaft is provided with the second pneumatic cylinder, the expansion end of second pneumatic cylinder links to each other with the second back shaft is fixed, the surface cover of second back shaft is equipped with the bracket, the bracket is fixed in the bottom of descaling bath, and the second back shaft slides with the bracket and links to each other, first back shaft and second back shaft are used for supporting the pickling roller, one side of first back shaft is provided with actuating mechanism, 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 supporting axle, and driven gear and first supporting axle rotate and link to each other, and driven gear's inside wall is provided with two inserted bars relatively, and the one end of pickling roller is seted up with inserted bar matched with jack, and driven gear's top meshing has the driving gear, and the outside of driving gear 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.
Furthermore, 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 in one end, away from the driven gear, of the first supporting shaft, a second through hole matched with the second connecting rod is formed in one end, away from the second hydraulic cylinder, of the second supporting shaft, and the first supporting shaft and the second supporting shaft are used for fixedly clamping the fixed shaft;
the one end that actuating mechanism was kept away from to the pickling roller is provided with sealed lid, 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 the 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 the surface of pickling roller and pickling cylinder.
Furthermore, the surface of the cylinder is provided with a spiral chute, the inner side wall of the pickling roller is fixedly connected with a first bump, the pickling roller is movably connected with the cylinder through the first bump, and the pickling roller rotates relatively and moves back and forth relative to the cylinder;
the inner chamber of pickling cylinder distributes from inside to outside and has a plurality ofly to be hollow cylindric branch sieve board, divides the surface of sieve all to have seted up the sieve mesh, and the internal diameter of sieve mesh reduces from inside to outside step by step.
Further, two inside walls of descaling bath all are provided with the crane, and the shower nozzle array distributes on the surface of crane, and the stationary phase even has the slide bar in the lateral wall of descaling bath, and the crane slides from top to bottom through the slide bar is done in the descaling bath, and the bottom stationary phase of crane even has the transfer line, and the one end that the transfer line was kept away from the crane links to each other with the acid-resistant pump.
Furthermore, the top of crane is provided with the carousel, and the carousel rotates with the inside wall of descaling bath and links to each other, and the surface stationary phase that the carousel is close to the lateral wall even 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 top of crane is fixed and is linked to each other and has the second lug, and the surface stationary phase of second lug links to each other and has the second gag lever post, and the one end that first gag lever post was kept away from to the actuating lever 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 rack are arranged, the fixing shaft of the pickling roller can be fixedly clamped through the mounting rack, then the pickling roller is driven to rotate through the driving mechanism, and the pickling roller can vibrate back and forth, so that a silicon material can be turned over along with the rotation of the pickling roller and vibrate at the same time, the silicon material is ensured to be in a moving state all the time, and the pickling efficiency is improved;
2. according to the invention, the liftable spray heads are arranged on the two sides of the pickling roller, and the spray heads can always spray on the surface of the pickling roller, so that silicon materials can be prevented from being clamped in gaps, and the silicon materials can be more fully contacted with acid liquor, thereby realizing the purpose of pickling;
3. according to the invention, the conveying mechanism is arranged, the pickling roller is fixedly clamped by the clamping mechanism, the electric telescopic rod realizes lifting motion, and the pickling roller can enter and exit through the sliding rail.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the internal structure of the pickling tank of the present invention;
FIG. 3 is a schematic view of the attachment of the pickling roller of the invention to a mounting frame;
FIG. 4 is a schematic view of the connection between the electric telescopic rod and the cross beam;
FIG. 5 is a schematic view of the clamping mechanism of the present invention;
FIG. 6 is an expanded view of the pickling roller and mounting bracket of the invention;
FIG. 7 is a schematic structural view of a pickling roller according to the 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 head of the present invention.
The reference numbers in the figures are as follows:
1. pickling a box body; 2. a feeding bin; 21. pushing the plate; 22. a first hydraulic cylinder; 3. a sealing door; 4. a slide rail; 5. a cross beam; 51. a roller; 52. a lead screw; 6. an electric telescopic rod; 61. a limiting slide block; 7. a clamping mechanism; 71. a fixing plate; 72. a clamp; 73. a bidirectional 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 drive mechanism; 831. a driven gear; 832. inserting a rod; 833. a driving gear; 834. a drive motor; 9. a pickling roller; 90. a fixed shaft; 901. a first link; 902. a second link; 91. a sealing cover; 92. pickling a roller; 921. separating the sieve plates; 922. screening holes; 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. a transfusion tube; 14. a turntable; 15. a first limit rod; 16. a drive rod; 17. a second bump; 18. a second limiting rod.
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, 2 and 9, a solar-grade polysilicon silicon material pickling device comprises a pickling box body 1 and a pickling roller 9, wherein a feeding bin 2 and a pickling tank are arranged in an inner cavity of the pickling box body 1, a silicon material is placed into the pickling roller 9, then the pickling roller 9 is fed into the pickling box body 1 along the feeding bin 2, finally the pickling roller 9 is placed into the pickling tank for pickling, a sealing door 3 for separation is arranged between the feeding bin 2 and the pickling tank for forming an independent closed space for the pickling tank, slide 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 slide rails 4 in a sliding manner, electric telescopic rods 6 are arranged on two sides of the bottom of the cross beam 5, a clamping mechanism 7 is arranged at the bottom of the electric telescopic rods 6, and the clamping mechanism 7 is used for clamping the pickling roller 9, then rise pickling roller 9 through electric telescopic handle 6, slide in along slide rail 4 through crossbeam 5 subsequently, until sending pickling roller 9 into the descaling bath, be provided with the mounting bracket 8 that is used for fixed pickling roller 9 in the descaling bath, and simultaneously, the acidizing fluid in the descaling bath can soak the silicon material in pickling roller 9, and the acidizing fluid submergence pickling roller 9 half at most, can carry out at the uniform velocity rotation along mounting bracket 8 through pickling roller 9, the pivoted speed is adjustable, and in pickling roller 9 pivoted time, the silicon material can be all the time in pickling roller 9's bottom, the silicon material is in the state of motion all the time, guarantee the effect of pickling, two inside walls of descaling bath 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 card is 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 mounted at the rear end of the pickling box body 1, the movable end of the first hydraulic cylinder 22 penetrates through the rear side wall of the pickling box body 1 to be connected with the push plate 21, after the silicon material is pickled, the pickling roller 9 can be placed on the feeding bin 2, and then the first hydraulic cylinder 22 pushes the push plate 21, so that the pickling roller 9 can be pushed out.
Refer to fig. 3 and fig. 4 as an illustration, the both ends of crossbeam 5 are all fixed and are connected with gyro wheel 51, slide rail 4's lateral wall is seted up with gyro wheel 51 matched with activity groove, and crossbeam 5 passes through gyro wheel 51 and links to each other with slide rail 4 activity, crossbeam 5's inner chamber rotates and is connected with lead screw 52, electric telescopic handle 6's top stationary phase even has limit slide 61, and limit slide 61 and lead screw 52 threaded connection, synchronous motion can be through the rotation of lead screw 52 to two electric telescopic handle 6, here interval between two electric telescopic handle 6 will be greater than pickling roller 9, just so can guarantee that pickling roller 9 can be between two electric telescopic handle 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 a fixing shaft 90 on the pickling roller 9, notches corresponding to the fixing shaft 90 are formed in the inner side wall of the clamps 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 each 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 opposite threaded grooves at two ends of the bidirectional threaded rod 73, and the two clamps 72 can move inwards or outwards at the same time, so that the fixing shaft 90 can be clamped and loosened.
Referring to fig. 6, the mounting frame 8 includes a first supporting shaft 81 and a second supporting shaft 82, the first supporting shaft 81 and the second supporting shaft 82 are respectively located at two ends of the pickling tank, the first supporting shaft 81 and the second supporting shaft 82 are used for fixing two ends of the fixing shaft 90, the first supporting shaft 81 is fixed on an inner side wall of the pickling tank, the second supporting shaft 82 is movable, a second hydraulic cylinder 821 is arranged at a rear end of the second supporting shaft 82, a movable end of the second hydraulic cylinder 821 is fixedly connected with the second supporting shaft 82, a bracket 822 is sleeved on a surface of the second supporting shaft 82, the bracket 822 is fixed at a bottom of the pickling tank, the second supporting shaft 82 is connected with the bracket 822 in a sliding manner, the first supporting shaft 81 and the second supporting shaft 82 are used for supporting the fixing shaft 90 on the pickling roller 9, a driving mechanism 83 is arranged on one side of the first supporting shaft 81, the pickling roller 9 can rotate relative to the fixing shaft 90, and the driving mechanism 83 is used for driving the pickling roller 9 to rotate.
Referring to fig. 6 and 7, a fixing shaft 90 is disposed at the center of the pickling roller 9, the pickling roller 9 is rotatably connected to the fixing shaft 90, a first connecting rod 901 and a second connecting rod 902 are respectively disposed at two ends of the fixing shaft 90, a first through hole matched with the first connecting rod 901 is formed at one end of the first supporting shaft 81 away from the driven gear 831, a second through hole matched with the second connecting rod 902 is formed at one end of the second supporting shaft 82 away from the second hydraulic cylinder 821, and the first supporting shaft 81 and the second supporting shaft 82 are used for fixedly clamping the fixing shaft 90, after the fixing 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 fixing shaft 90 is continuously pushed, the first connecting rod 901 is inserted into the first supporting shaft 81 and tightly abutted against the first connecting rod 901, and then the clamping mechanism 7 releases the fixing shaft 90;
referring to fig. 7 and 8, a sealing cover 91 is disposed at one end of the pickling roller 9 away from the driving mechanism 83, the sealing cover 91 is connected to the pickling roller 9 in a snap-fit manner, a pickling roller 92 and a cylinder 93 are disposed in an inner cavity of the pickling roller 9, the pickling roller 92 is fixedly connected to the pickling roller 9, the cylinder 93 is connected to the fixed shaft 90, the pickling roller 92 can rotate along with the pickling roller 9, the cylinder 93 can be kept stationary, and liquid inlet holes 94 for allowing acid liquid to enter and exit are disposed on the 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 bump 95, the pickling roller 9 is movably connected with the cylinder 93 through the first bump 95, and the pickling roller 92 rotates relative to the cylinder 93 and moves back and forth;
the inner chamber of pickling cylinder 92 distributes from inside to outside and has a plurality of hollow circular cylinder's branch sieve plate 921 that are, divides the surface of sieve plate 921 and has all seted up sieve mesh 922, and the internal diameter of sieve mesh 922 reduces from inside to outside step by step, can sieve the silicon material, can separate and carry out the pickling simultaneously with the silicon material.
Refer to fig. 9 and show, two inside walls of descaling bath all are provided with crane 11, shower nozzle 10 array distribution has slide bar 12 in crane 11's the surface, the stationary phase even has in the lateral wall of descaling bath, crane 11 passes through slide bar 12 and can do and slide from top to bottom in the descaling bath, crane 11's bottom stationary phase even has transfer line 13, transfer line 13 keeps away from crane 11's one end and links to each other with the acid-proof pump, spray the surface of pickling roller 9 through shower nozzle 10, can prevent that the silicon material card from in sieve mesh 922, let the silicon material can remain the state at the motion all the time.
The top of crane 11 is provided with carousel 14, carousel 14 rotates with the inside wall of descaling bath and links to each other, and the fixed surface that carousel 14 is close to the lateral wall links to each other has 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 crane 11's top stationary phase even has second lug 17, and the fixed surface of second lug 17 even has second gag lever post 18, and 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.
The working principle of the invention is as follows: firstly, putting a silicon material on a screen plate 921 at the center of a pickling roller 92, then covering a sealing cover 91, pushing a pickling roller 9 inwards along a feeding bin 2, then lowering a clamping mechanism 7, enabling two clamping mechanisms 7 to be positioned at 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, enabling a cross beam 5 to slide along a sliding rail 4, sending the pickling roller 9 into a pickling tank, closing a sealing door 3, lowering the pickling roller 9, enabling the fixed shaft 90 to be aligned with two support shafts, then 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 and continuously pushing forwards, enabling a first connecting rod 901 to be inserted into a first support shaft 81, enabling an inserting rod 832 to be inserted into an insertion hole, fixing the pickling roller 9, loosening the clamping mechanism 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 fixing shaft 90 through the matching of the driving gear 833 and the driven gear 831, and meanwhile, the first bump 95 in the pickling roller 9 slides along the sliding chute 931 on the surface of the cylinder 93, so as to realize the rotation and left-right swing of the pickling roller 92, thereby moving the silicon material, which can be further sieved in the pickling roller 92, and meanwhile, the turntable 14 rotates, and the turntable 14 drives the lifting frame 11 to move up and down through the driving rod 16, so that the spraying head 10 sprays towards the pickling roller 9, and the silicon material can be prevented from being clamped in the sieve mesh 922; and finally, after the pickling is finished, lowering the clamping mechanism 7 again, fixing the clamping fixed shaft 90, separating the pickling roller 9 from the two support shafts, drying the pickling roller, finally opening the sealing door 3, putting the pickling roller 9 on the feeding bin 2, and pushing the pickling roller out by the push plate 21.
The foregoing shows and describes the general principles, essential 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, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a pickling equipment of solar energy level polycrystalline silicon material, including pickling box (1) and pickling roller (9), a serial communication port, the inner chamber of pickling box (1) is provided with feeding storehouse (2) and descaling bath, the top of pickling box (1) is provided with the vent, be provided with between feeding storehouse (2) and the descaling bath and be used for sealing door (3) of separation, the inner chamber top both sides of pickling box (1) all are provided with slide rail (4), slide between slide rail (4) and link to each other 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 descaling bath, be provided with in the descaling bath and be used for mounting bracket (8) of fixed pickling roller (9), two inside walls of descaling bath are provided with shower nozzle (10), shower nozzle (10) are used for spraying pickling roller (9).
2. The pickling equipment of the solar-grade polysilicon silicon material according to claim 1, wherein 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 installed at the rear end of the pickling box body (1), and the movable end of the first hydraulic cylinder (22) penetrates through the rear side wall of the pickling box body (1) and is connected with the push plate (21).
3. The pickling equipment of the solar-grade polysilicon silicon material according to claim 1, wherein two ends of the cross beam (5) are fixedly connected with rollers (51), the side wall of the sliding rail (4) is provided with a movable groove matched with the rollers (51), the cross beam (5) is movably connected with the sliding rail (4) through the rollers (51), the inner cavity of the cross beam (5) is rotatably connected with a lead screw (52), the top end of the electric telescopic rod (6) is fixedly connected with a limit slide block (61), and the limit slide block (61) is in threaded connection with the lead screw (52).
4. The pickling equipment of the solar-grade polysilicon silicon material according to claim 1, wherein 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 an inner cavity of the fixed plate (71), a movable slider (74) is fixedly connected to the top end of each clamp (72), the movable slider (74) is in threaded connection with the bidirectional threaded rod (73), and the two movable sliders (74) are respectively located at thread grooves at two opposite ends of the bidirectional threaded rod (73).
5. The acid pickling equipment of solar grade polycrystalline silicon material as claimed in claim 1, wherein the mounting rack (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 located 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 slidably connected with the bracket (822), 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.
6. The acid washing device of the solar-grade polysilicon silicon material according to claim 5, 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 rotatably connected with the first supporting shaft (81), two insertion rods (832) are oppositely arranged on the inner side wall of the driven gear (831), one end of the acid washing roller (9) is provided with insertion holes matched with the insertion rods (832), the top of the driven gear (831) is engaged with a driving gear (833), 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 acid washing box body (1), and the output end of the driving motor (834) is connected with the driving gear (833).
7. The pickling apparatus for the solar grade polysilicon silicon material according to claim 6, wherein a fixed shaft (90) is arranged at the center of the pickling roller (9), the pickling roller (9) is rotatably connected with the fixed shaft (90), a first connecting rod (901) and a second connecting rod (902) are respectively arranged at two ends of the fixed shaft (90), a first through hole matched with the first connecting rod (901) is formed at one end of the first supporting shaft (81) far away from the driven gear (831), a second through hole matched with the second connecting rod (902) is formed at one end of the second supporting shaft (82) far away from the second hydraulic cylinder (821), and the first supporting shaft (81) and the second supporting shaft (82) are used for fixedly clamping the fixed shaft (90);
one end of the pickling roller (9) far away from the driving mechanism (83) is provided with a sealing cover (91), the sealing cover (91) is connected with a buckle of the pickling roller (9), an inner cavity of the pickling roller (9) is provided with a pickling roller (92) and a cylinder (93), the pickling roller (92) is fixedly connected with the pickling roller (9), the cylinder (93) is connected with a fixing shaft (90), and a liquid inlet hole (94) is formed in the surfaces of the pickling roller (9) and the pickling roller (92).
8. The pickling apparatus for the solar grade polysilicon silicon material according to claim 7, wherein 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 bump (95), the pickling roller (9) is movably connected with the cylinder (93) through the first bump (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) distributes from inside to outside and has a plurality of hollow cylindric branch sieve boards (921) that are, divides the surface of sieve board (921) and has all seted up sieve mesh (922), and the internal diameter of sieve mesh (922) reduces step by step from inside to outside.
9. The acid washing equipment of solar grade polysilicon silicon material as claimed in claim 1, wherein two inner side walls of the acid washing tank are both provided with a lifting frame (11), the spray heads (10) are distributed on the surface of the lifting frame (11) in an array manner, a slide rod (12) is fixedly connected with the inner side wall of the acid washing tank, the lifting frame (11) slides up and down in the acid washing tank through the slide rod (12), the bottom of the lifting frame (11) is fixedly connected with a liquid conveying pipe (13), and one end of the liquid conveying pipe (13) far away from the lifting frame (11) is connected with an acid-resisting pump.
10. The pickling equipment of solar-grade polysilicon silicon material as claimed in claim 9, wherein a turntable (14) is arranged at the top of the lifting frame (11), the turntable (14) is rotationally connected with the inner side wall of the pickling tank, a first limit rod (15) is fixedly connected with the surface of the turntable (14) close to the side wall, a driving rod (16) is sleeved on the surface of the first limit rod (15), the driving rod (16) is movably connected with the first limit rod (15), a second bump (17) is fixedly connected with the top of the lifting frame (11), a second limit rod (18) is fixedly connected with the surface of the second bump (17), and one end of the driving rod (16) far away from the first limit rod (15) is movably connected with the second limit rod (18).
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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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