Impurity removing and filtering device of aluminum electrolysis dedusting distributor

Abstract

The utility model relates to the technical field of distributor impurity removal, in particular to an aluminum electrolysis dedusting distributor impurity removal filter device which comprises a distributor, a case and a first transmission rod. The material distributor is arranged on the upper portion of the machine frame, and the machine box is arranged on the lower portion of the material distributor. The first transmission rod is fixedly connected to one side of the case through a coupling; the material distributor further comprises a transmission belt, a material collecting box and a purifying box. The first transmission rod is sleeved with the transmission belt, and the first transmission rod is in transmission connection with the transmission belt. The material collecting box is installed on the lower portion of the material distributing machine, a material distributing cavity for materials to pass through is formed in the inner side of the material distributing machine, and the material collecting box is used for collecting aluminum oxide subjected to dust and impurity removal; the purifying box is installed on the other side of the machine box and used for sucking dust and impurities in the material distributing machine. According to the technical scheme, caked aluminum oxide can be scattered and raised, sand and impurities are collected in the aluminum oxide raising process, and the sand and the impurities are prevented from being sucked into the mouth and the nose.

Description

Technical Field

[0001] The utility model relates to the technical field of impurity removal of a distributor, in particular to an impurity removal and filtering device for an aluminum electrolytic dust removal distributor. Background Art

[0002] Alumina (AluminaOxide), chemical formula Al2O3, is a high hardness compound with a melting point of 2045℃ and a boiling point (℃, 5.2kPa) of 2980℃. It is insoluble in water, alcohol and ether, and slightly soluble in alkali and acid. Ionic crystals that can be ionized at high temperatures are often used to make refractory materials. Industrial alumina is prepared from bauxite (Al2O3·3H2O) and diaspore. For Al2O3 with high purity requirements, it is generally prepared by chemical methods. Al2O3 has many isomorphous crystals, more than 10 of which are known, and there are mainly three crystal forms, namely α-Al2O3, β-Al2O3, and γ-Al2O3. Different structures have different properties, and they are almost completely converted into α-Al2O3 at high temperatures above 1300℃.

[0003] Chinese patent (CN217250664) is a filtering and impurity removal device for an alumina conveying system. When alumina is conveyed, this solution filters and screens alumina and foreign matter through an external impurity removal device, thereby separating the foreign matter from the alumina, making it difficult for the foreign matter to affect subsequent processing, thereby improving the product yield.

[0004] However, in actual use, the above structure separates sand and impurities in alumina by means of vibration, and alumina will generate large dust when vibrating. At the same time, when the oxide is agglomerated, it is not convenient to break up the agglomerated alumina by vibration. Utility Model Content

[0005] In view of the above problems, an aluminum electrolytic dust removal separator impurity removal and filtering device is provided, which solves the problem that sand and impurities between alumina are difficult to clean through a separator plate.

[0006] In order to solve the problems in the prior art, the utility model provides an impurity removal and filtering device for an aluminum electrolytic dust removal classifier.

[0007] Preferably, it includes a feeder, a chassis and a first transmission rod; the feeder is arranged on the upper part of the frame, and the chassis is arranged at the lower part of the feeder; the first transmission rod is fixedly connected to one side of the chassis through a coupling; the feeder includes a transmission belt, a collection box and a purification box; the transmission belt is sleeved on the outside of the first transmission rod, and the first transmission rod is transmission-connected to the transmission belt; the collection box is installed at the lower part of the feeder, and a feeder cavity for materials to pass through is opened on the inner side of the feeder, and the collection box is used to collect alumina after dust and impurity removal; the purification box is installed on the other side of the chassis, and the purification box is used to suck in dust and impurities in the feeder.

[0008] Preferably, the first transmission rod also includes a first rotating roller, a dividing plate, a lifting plate and a first telescopic spring; the dividing plate is fixedly installed on the outside of the first rotating roller, the dividing plate is located in the dividing machine, and the dividing plate is used to evenly rotate the alumina to avoid blockage of the alumina during the initial feeding, and it is convenient to lift up the dust and impurities mixed in a number of aluminas, while avoiding the accumulation and blockage of alumina; the lifting plate is rotatably installed in the dividing machine, the lifting plate and the dividing plate are on the same horizontal plane, and the lifting plate and the dividing plate cooperate with each other to evenly lift the alumina repeatedly; the first telescopic spring is fixedly installed between the lifting plate and the dividing machine, and the first telescopic spring is used to drive the lifting plate to always be in contact with the dividing plate and make an angle tilting movement.

[0009] Preferably, the first transmission rod also includes a half-fan gear, a rack, a guide rod and a second telescopic spring; the half-fan gear is fixedly installed on the outside of the first transmission rod, and a rack colinear with the axis of the half-fan gear is slidably installed in the purification box, and the half-fan gear is in intermittent contact with the rack; the guide rod is installed in the rack, and the guide rod and the rack are clearance-fitted, and the rack is slidably fitted through the guide rod inserted inside; the second telescopic spring is installed on the outside of the guide rod, which is located between the guide rod and the rack, and the second telescopic spring is used to drive the rack to intermittently contact with the half-fan gear.

[0010] Preferably, it also includes a piston cylinder, a first return spring, a push rod, an air intake pipe, a dust suction pipe, a dust collection box and a pull-out box; the piston cylinder is fixedly installed in the purification box, and the first return spring is arranged on the inner side of the piston cylinder; the push rod is slidably arranged on the outside of the piston cylinder, and the air intake pipe is fixedly installed on the outside of the piston cylinder, and air is sucked in and discharged from the inside of the piston cylinder through the air intake pipe; the dust suction pipe is fixedly installed in the distributor, and the dust collection box is fixedly installed between the purification box and the dust suction pipe, and when the push rod is retracted and slid in the opposite direction in the piston cylinder, the one-way valve in the dust suction pipe is opened, so that dust and impurities are sucked into the dust collection box through the dust suction pipe, and the raised aluminum oxide can be used to suck in dust and impurities to ensure the cleanliness of the aluminum oxide; the pull-out box is slidably arranged in the collection box, the bottom of the pull-out box is made of filter mesh material and the surroundings are made of acrylic plate material, the pull-out box and the collection box are gap-matched, and the pull-out box solves the collection and dumping of dust and impurities.

[0011] Preferably, the transmission belt also includes a first contact block, a second contact block, a circular rod, a second return spring and a connecting block; the first contact block is fixedly installed on the outside of the transmission belt, and a plurality of first contact blocks are regularly arranged along the transmission belt; the second contact block is slidably installed on the upper part of the frame, the second contact block is clearance-matched with the frame, and the second contact block is slidably matched through a guide groove provided in the upper part of the frame; the circular rod is fixedly installed on one side of the second contact block, the second return spring is installed between the circular rod and the second contact block, the second return spring lifts the second contact block, and drives the second contact block to intermittently contact with the first contact block; the connecting block is fixedly installed at the lower part of the second contact block.

[0012] Preferably, it also includes a limiting block, a guide block and a vibrating screen; the limiting block is fixedly installed at the lower part of the frame, and the axis of the limiting block and the connecting block are colinear; the guide block is slidably arranged in the limiting block, and the connecting block and the connecting block are matched through the guide block clearance, and the guide block causes the connecting block to be restricted to one side of the limiting block for stable sliding; the vibrating screen is rotatably installed on one side of the frame, and the vibrating screen can screen the dust-removed and impurity-removed alumina due to the reciprocating sliding of the connecting block, thereby avoiding blockage of the alumina at the discharge port of the distributor, and effectively separating the sand and impurities in the alumina.

[0013] Preferably, it also includes a mounting block, a locking bolt and a collecting box; the mounting block is rotatably mounted on the outside of the vibrating screen, a locking bolt is threadedly connected between the vibrating screen and the mounting block, the locking bolt has a clearance fit with the vibrating screen and the mounting block, and the problem of inconvenient disassembly and installation of the vibrating screen is solved by rotating the locking bolt; the collecting box is slidably mounted in the aggregate box, the collecting box has a clearance fit with the aggregate box, and the collecting box can collect the alumina after dust and impurity removal.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. By setting up the dividing plate, the alumina can be evenly turned over, and the sand and impurities mixed in the alumina can be fully lifted up, while avoiding the alumina from agglomerating and preventing the sand and impurities from adhering to the alumina and being difficult to clean.

[0016] 2. The piston cylinder can be set to suck in the sand and impurities scattered during the lifting of alumina to remove dust and impurities.

[0017] 3. By setting up a pull-out box, the sand and magazines collected in the dust collection box can be dumped.

[0018] 4. The problem of blockage at the bottom discharge port of the distributor is solved by setting the first contact block and the second contact block.

[0019] 5. The problem of sand and impurities in alumina is solved by setting a vibrating screen, and the dust and impurity removal work of alumina is further refined.

[0020] 6. The problem of difficult disassembly and replacement of the vibrating screen is solved by setting the mounting block and locking bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The present invention is a three-dimensional structural diagram of an aluminum electrolytic dust collector, a material separator, a dust removal and filtering device from a first-person perspective.

[0022] Figure 2 The present invention is a front view stereoscopic structural diagram of an aluminum electrolytic dust removal separator and impurity removal filter device.

[0023] Figure 3 The present invention is a three-dimensional structural diagram of an aluminum electrolytic dust collector, a material separator, a dust removal and filtering device from a second viewing angle.

[0024] Figure 4 The invention discloses a longitudinally cut stereoscopic structural diagram of an impurity removal and filtering device of an aluminum electrolytic dust collector, a material separator and a dust removal device.

[0025] Figure 5 The present invention is a three-dimensional structural diagram of a dust collecting box and a dust suction pipe of an impurity removal and filtering device of an aluminum electrolytic dust collector.

[0026] Figure 6 It is an aluminum electrostatic dust removal separator impurity removal and filtering device. Figure 5 Enlarged structural diagram at point A in the middle.

[0027] Figure 7 The present invention is a three-dimensional structural diagram of a vibrating screen and a mounting block of an impurity removal and filtering device of an aluminum electrolytic dust collector and a material separator.

[0028] The numbers in the figure are: 1-distributor; 2-chassis; 3-first transmission rod; 31-first rotating roller; 32-distributor plate; 33-lifting plate; 34-first telescopic spring; 35-half-fan gear; 36-rack; 37-guide rod; 38-second telescopic spring; 39-piston cylinder; 391-first return spring; 392-top rod; 393-intake pipe; 304-dust suction pipe; 395-dust collection box; 396-pull-out box; 4-transmission belt; 41-first contact block; 42-second contact block; 43-round rod; 44-second return spring; 45-connecting block; 46-limiting block; 47-guide block; 48-vibrating screen; 49-mounting block; 491-locking bolt; 492-collection box; 5-collection box; 6-purification box. DETAILED DESCRIPTION

[0029] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0030] See also Figure 1-Figure 7As shown, an aluminum electrolytic dust separator impurity removal and filtering device includes a separator 1, a chassis 2 and a first transmission rod 3; the separator 1 is arranged on the upper part of the frame, and the chassis 2 is arranged at the lower part of the separator 1; the first transmission rod 3 is fixedly connected to one side of the chassis 2 through a coupling; the separator 1 includes a transmission belt 4, a collection box 5 and a purification box 6; the transmission belt 4 is sleeved on the outside of the first transmission rod 3, and the first transmission rod 3 is transmission-connected to the transmission belt 4; the collection box 5 is installed at the lower part of the separator 1, and a separation cavity for material to pass through is opened on the inner side of the separator 1, and the collection box 5 is used for collecting alumina after dust and impurity removal; the purification box 6 is installed on the other side of the chassis 2, and the purification box 6 is used to suck in dust and impurities in the separator 1.

[0031] First, the alumina that needs to be dusted and removed is manually put into the feeder 1, and then the first transmission rod 3 is driven to rotate through the chassis 2, so that the alumina put in the feeder 1 can be evenly turned over to avoid sand and impurities adhering to the alumina and preventing the alumina from agglomerating. Then, a dust removal mechanism is set in the purification box 6 to collect and process sand and impurities in the oxygen process of the alumina, thereby improving the cleanliness of the alumina.

[0032] See also Figure 4-Figure 5 As shown, the first transmission rod 3 also includes a first rotating roller 31, a dividing plate 32, a lifting plate 33 and a first telescopic spring 34; the dividing plate 32 is fixedly installed on the outside of the first rotating roller 31, and the dividing plate 32 is located in the dividing machine 1. The dividing plate 32 is used to evenly rotate the alumina to avoid blockage of the alumina during the initial feeding, and it is convenient to lift up the dust and impurities mixed in a number of aluminas, while avoiding the accumulation and blockage of the alumina; the lifting plate 33 is rotatably installed in the dividing machine 1, and the lifting plate 33 and the dividing plate 32 are on the same horizontal plane. The lifting plate 33 and the dividing plate 32 cooperate with each other, and the alumina can be evenly lifted repeatedly; the first telescopic spring 34 is fixedly installed between the lifting plate 33 and the dividing machine 1, and the first telescopic spring 34 is used to drive the lifting plate 33 to always be in contact with the dividing plate 32 and make an angle tilting movement.

[0033] The dividing plate 32 evenly discharges and reacts the alumina, and repeatedly squeezes the lifting plate 33 while rotating, causing the lifting plate 33 to make an inclined reciprocating motion under the action of the first telescopic spring 34, so that the alumina turned up at the dividing plate 32 can be lifted up for a second time, so that the sand and impurities mixed between several aluminas can be lifted up to avoid adhesion to the alumina.

[0034] See also Figure 5-Figure 6As shown, the first transmission rod 3 also includes a half-fan gear 35, a rack 36, a guide rod 37 and a second telescopic spring 38; the half-fan gear 35 is fixedly installed on the outside of the first transmission rod 3, and a rack 36 that is colinear with the axis of the half-fan gear 35 is slidably installed in the purification box 6, and the half-fan gear 35 is in contact and intermittently matched with the rack 36; the guide rod 37 is installed through the rack 36, and the guide rod 37 and the rack 36 are clearance-matched, and the rack 36 is slidably matched through the guide rod 37 inserted inside; the second telescopic spring 38 is installed on the outside of the guide rod 37, which is located between the guide rod 37 and the rack 36, and the second telescopic spring 38 is used to drive the rack 36 to intermittently contact with the half-fan gear 35.

[0035] When the half-sector gear 35 rotates, the rack 36 is driven to make intermittent contact with the half-sector gear 35. When in contact, the rack 36 is driven to slide smoothly under the action of the guide rod 37 until the half-sector gear 35 is no longer in contact with the rack 36. When there is no contact, the second telescopic spring 38 pushes the rack 36 out again.

[0036] See also Figure 5-Figure 6 As shown, it also includes a piston cylinder 39, a first return spring 391, a push rod 392, an air intake pipe 393, a dust suction pipe 394, a dust collection box 395 and a pull-out box 396; the piston cylinder 39 is fixedly installed in the purification box 6, and the first return spring 391 is arranged on the inner side of the piston cylinder 39; the push rod 392 is slidably arranged on the outside of the piston cylinder 39, and the air intake pipe 393 is fixedly installed on the outside of the piston cylinder 39, and the air is sucked and discharged inside the piston cylinder 39 through the air intake pipe 393; the dust suction pipe 394 is fixedly installed in the distributor 1, and the dust collection box 395 is fixedly installed. Installed between the purification box 6 and the dust suction pipe 394, when the push rod 392 slides back in the opposite direction in the piston cylinder 39, the one-way valve in the dust suction pipe 394 opens, causing dust and impurities to be sucked into the dust collection box 395 through the dust suction pipe 394, and the raised aluminum oxide can be used to suck in dust and impurities to ensure the cleanliness of the aluminum oxide; the pull-out box 396 is slidably set in the collection box 395, the bottom of the pull-out box 396 is made of filter mesh material and the surroundings are made of acrylic plate material, the pull-out box 396 and the collection box 395 are matched with each other, and the pull-out box 396 solves the collection and dumping of dust and impurities.

[0037] When the push rod 392 moves to the left inside the piston cylinder 39, the one-way valve in the air intake pipe 393 is a normally open one-way valve, and air enters the interior of the piston cylinder 39, while the one-way valve in the dust suction pipe 394 is closed; when the push rod 392 moves to the right inside the piston cylinder 39, air is discharged through the air intake pipe 393 and the one-way valve in the dust suction pipe 394 is opened, and at the same time, negative pressure is formed in the piston cylinder 39, causing the dust suction pipe 394 to suck in the sand and impurities in the raised alumina into the dust collection box 395, where they are blocked by the filter screen at the bottom of the pull-out box 396, and then the sand and impurities collected in the pull-out box 396 can be dumped by pulling the pull-out box 396.

[0038] See also Figure 6-Figure 7 As shown, the transmission belt 4 also includes a first contact block 41, a second contact block 42, a circular rod 43, a second return spring 44 and a connecting block 45; the first contact block 41 is fixedly installed on the outside of the transmission belt 4, and a plurality of first contact blocks 41 are regularly arranged along the transmission belt 4; the second contact block 42 is slidably installed on the upper part of the frame, the second contact block 42 is clearance-matched with the frame, and the second contact block 42 is slidably matched through a guide groove provided on the upper part of the frame; the circular rod 43 is fixedly installed on one side of the second contact block 42, and the second return spring 44 is installed between the circular rod 43 and the second contact block 42, and the second return spring 44 lifts the second contact block 42, driving the second contact block 42 to intermittently contact the first contact block 41; the connecting block 45 is fixedly installed on the lower part of the second contact block 42.

[0039] The first contact block 41 contacts the second contact block 42, causing the second contact block 42 to move up and down along the circular rod 43. When the first contact block 41 is not in contact with the second contact block 42, the second return spring 44 is sleeved on the outside of the circular rod 43 to push the second contact block 42 out to the initial position again.

[0040] See also Figure 5-Figure 6 As shown, it also includes a limiting block 46, a guide block 47 and a vibrating screen 48; the limiting block 46 is fixedly installed at the lower part of the frame, and the axis of the limiting block 46 and the connecting block 45 are colinear; the guide block 47 is slidably arranged in the limiting block 46, and the connecting blocks 45 and 45 are clearance-matched through the guide block 47, and the guide block 47 causes the connecting block 45 to be restricted to one side of the limiting block 46 for stable sliding; the vibrating screen 48 is rotatably installed on one side of the frame, and the vibrating screen 48 can screen the dust-removed and impurity-removed alumina due to the reciprocating sliding of the connecting block 45, thereby avoiding clogging of the alumina at the discharge port of the distributor 1, and effectively separating the sand and impurities in the alumina.

[0041] When the first contact block 41 contacts the second contact block 42 and causes the second contact block 42 to move downward, the connecting block 45 and the guide block 47 are driven to slide stably on the inner side of the limit block 46. At the same time, when the connecting block 45 descends, the vibrating screen 48 can be moved up and down reciprocatingly, so that the vibrating screen 48 can vibrate and screen the discharge port of the distributor 1, while avoiding blockage of the discharge port.

[0042] The above embodiments only express one or several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the attached claims.

Claims

1. An aluminum electrostatic dust removal and impurity removal and filtering device, comprising a distributor (1), a chassis (2) and a first transmission rod (3); the distributor (1) is arranged on the upper part of the frame, and the chassis (2) is arranged at the lower part of the distributor (1); the first transmission rod (3) is fixedly connected to one side of the chassis (2) through a coupling; the distributor (1) comprises a transmission belt (4), a collection box (5) and a purification box (6); the transmission belt (4) is sleeved on the outside of the first transmission rod (3), and the first transmission rod (3) is transmission-connected to the transmission belt (4); the collection box (5) is installed at the lower part of the distributor (1), and a distribution cavity for materials to pass through is opened on the inner side of the distributor (1), and the collection box (5) is used to collect aluminum oxide after dust removal and impurity removal; the purification box (6) is installed on the other side of the chassis (2), and the purification box (6) is used to suck in dust and impurities in the distributor (1).

2. The impurity removal and filtering device for aluminum electrostatic dust separator according to claim 1 is characterized in that: The first transmission rod (3) also includes a first rotating roller (31), a material dividing plate (32), a lifting plate (33) and a first telescopic spring (34); the material dividing plate (32) is fixedly mounted on the outside of the first rotating roller (31), the material dividing plate (32) is located in the material dividing machine (1), and the material dividing plate (32) is used to evenly rotate the aluminum oxide to avoid clogging of the aluminum oxide during the initial feeding, and to facilitate the lifting of dust and impurities mixed in the aluminum oxide, while avoiding the aluminum oxide The lifting plate (33) is rotatably installed in the distributor (1), the lifting plate (33) and the distributor plate (32) are on the same horizontal plane, the lifting plate (33) and the distributor plate (32) cooperate with each other, and can lift the aluminum oxide repeatedly and evenly; the first telescopic spring (34) is fixedly installed between the lifting plate (33) and the distributor (1), and the first telescopic spring (34) is used to drive the lifting plate (33) to always be in contact with the distributor plate (32) and make an angled tilting movement.

3. The impurity removal and filtering device for aluminum electrostatic dust separator according to claim 1 is characterized in that: The first transmission rod (3) further comprises a half-sector gear (35), a rack (36), a guide rod (37) and a second telescopic spring (38); the half-sector gear (35) is fixedly mounted on the outside of the first transmission rod (3); a rack (36) colinear with the axis of the half-sector gear (35) is slidably mounted in the purification box (6); the half-sector gear (35) and the rack (36) are in contact and intermittent fit; the guide rod (37) is inserted into the rack (36); the guide rod (37) and the rack (36) are clearance-fitted; the rack (36) is slidably fitted through the guide rod (37) inserted inside; the second telescopic spring (38) is mounted on the outside of the guide rod (37) and is located between the guide rod (37) and the rack (36); the second telescopic spring (38) is used to drive the rack (36) and the half-sector gear (35) to be in intermittent contact.

4. The impurity removal and filtering device for aluminum electrostatic dust separator according to claim 1 is characterized in that: The utility model also comprises a piston cylinder (39), a first return spring (391), a push rod (392), an air intake pipe (393), a dust suction pipe (394), a dust collection box (395) and a pull-out box (396); the piston cylinder (39) is fixedly installed in the purification box (6), and the first return spring (391) is arranged on the inner side of the piston cylinder (39); the push rod (392) is slidably arranged on the outside of the piston cylinder (39), and the air intake pipe (393) is fixedly installed on the outside of the piston cylinder (39), and air is sucked in and discharged from the inside of the piston cylinder (39) through the air intake pipe (393); the dust suction pipe (394) is fixedly installed in the distributor (1), and the dust collection box (395) is fixedly installed in the distributor (1). 95) is fixedly installed between the purification box (6) and the dust suction pipe (394). When the push rod (392) slides back in the opposite direction in the piston cylinder (39), the one-way valve in the dust suction pipe (394) opens, causing dust and impurities to be sucked into the dust collection box (395) through the dust suction pipe (394). The raised aluminum oxide can be used to suck in dust and impurities, thereby ensuring the cleanliness of the aluminum oxide; the pull-out box (396) is slidably arranged in the collection box (395). The bottom of the pull-out box (396) is made of a filter material and the surroundings are made of an acrylic plate material. The pull-out box (396) and the collection box (395) are matched with each other in a clearance. The pull-out box (396) solves the problem of collecting and dumping dust and impurities.

5. The impurity removal and filtering device for aluminum electrostatic dust separator according to claim 1 is characterized in that: The transmission belt (4) also includes a first contact block (41), a second contact block (42), a circular rod (43), a second return spring (44) and a connecting block (45); the first contact block (41) is fixedly mounted on the outside of the transmission belt (4), and a plurality of first contact blocks (41) are regularly arranged along the transmission belt (4); the second contact block (42) is slidably mounted on the upper part of the frame, the second contact block (42) is clearance-matched with the frame, and the second contact block (42) is slidably matched through a guide groove provided on the upper part of the frame; the circular rod (43) is fixedly mounted on one side of the second contact block (42), the second return spring (44) is mounted between the circular rod (43) and the second contact block (42), the second return spring (44) lifts the second contact block (42), and drives the second contact block (42) to intermittently contact with the first contact block (41); the connecting block (45) is fixedly mounted on the lower part of the second contact block (42).

6. The impurity removal and filtering device for aluminum electrostatic dust separator according to claim 1, characterized in that: The invention also comprises a limiting block (46), a guide block (47) and a vibrating screen (48); the limiting block (46) is fixedly mounted on the lower part of the frame, and the axes of the limiting block (46) and the connecting block (45) are colinear; the guide block (47) is slidably arranged in the limiting block (46), and the connecting blocks (45) and the connecting blocks (45) are fitted with each other through the clearance of the guide block (47), and the guide block (47) causes the connecting block (45) to be restricted to slide stably on one side of the limiting block (46); the vibrating screen (48) is rotatably mounted on one side of the frame, and the vibrating screen (48) can screen the dust-removed and impurity-removed aluminum oxide due to the reciprocating sliding of the connecting block (45), thereby preventing the aluminum oxide from being blocked at the discharge port of the distributor (1), and effectively separating the sand and impurities in the aluminum oxide.

7. The impurity removal and filtering device for aluminum electrostatic dust separator according to claim 1 is characterized in that: It also includes a mounting block (49), a locking bolt (491) and a collecting box (492); the mounting block (49) is rotatably mounted on the outside of the vibrating screen (48); a locking bolt (491) is threadedly connected between the vibrating screen (48) and the mounting block (49); the locking bolt (491) is clearance-matched with the vibrating screen (48) and the mounting block (49); the problem of the inconvenience of disassembling and installing the vibrating screen (48) is solved by rotating the locking bolt (491); the collecting box (492) is slidably mounted in the collecting box (5); the collecting box (492) is clearance-matched with the collecting box (5); the collecting box (492) can collect the aluminum oxide after dust removal and impurity removal.

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