CN213409761U - Sand cleaning machine - Google Patents

Abstract

The utility model relates to a sand purifying machine, it includes the feeder hopper, conveyer belt and screening case, be provided with the conveying pipe on the feeder hopper, be provided with on the conveying pipe and be used for the picture peg subassembly that the conveying pipe opened and closed, the screening case is erect on one side of the feeder hopper, the feed inlet has been seted up on the screening case, the level elevation that the feed inlet was located is higher than the level elevation that the conveying pipe was located, the conveyer belt slope sets up, conveyer belt transmission initiating terminal is located under the conveying pipe, conveyer belt conveying end runs through the feed inlet and is located screening incasement portion, be provided with the first discharging pipe that is used for the large granule material to flow on the screening case, and be used for the second discharging pipe that the small granule material flows, be provided with the dust. This application has dust fall protection operational environment's effect.

Description

Sand cleaning machine

Technical Field

The application relates to the field of screening of building gravel and sand equipment, in particular to a sand purifying machine.

Background

At present, the building industry is developed vigorously, and in the building construction, than not using sand and stone less, the material thickness degree that corresponds the sand that different processes used is different, and sand need be filtered sand class material after advancing into the field, sieves the material into different thickness degrees to the follow-up process uses.

In the feeder hopper is unloaded to sand class material in batches to the correlation technique, convey the screening installation department with the material through the conveyer belt then, carry out the screening of material in the screening installation, during material roll-off screening installation, directly dash out the screening installation then with ground contact, pile up subaerial, finally form two and dial the sand class material that accords with the screening specification, the use of the follow-up different processes of being convenient for.

Aiming at the related technologies, the inventor thinks that the defects of dust generation and pollution of the surrounding working environment exist when sand materials slide out of the screening equipment and contact with the ground.

SUMMERY OF THE UTILITY MODEL

In order to improve when sand class material roll-off screening installation and ground contact, produce the raise dust, pollute surrounding work environment's defect, this application provides a net husky machine.

The application provides a sand cleaning machine adopts following technical scheme:

the utility model provides a sand cleaning machine, including the feeder hopper, conveyer belt and screening case, be provided with the conveying pipe on the feeder hopper, be provided with on the conveying pipe and be used for the picture peg subassembly that the conveying pipe opened and closed, the screening case is located on one side of the feeder hopper, the feed inlet has been seted up on the screening case, the horizontal elevation that the feed inlet was located is higher than the horizontal elevation that the conveying pipe was located, the conveyer belt slope sets up, conveyer belt transmission initiating terminal is located under the conveying pipe, conveyer belt conveying end runs through the feed inlet and is located screening incasement portion, be provided with the first discharging pipe that is used for the large granule material to flow on the screening case, and be used for the second discharging pipe that the small granule material flows, be provided with.

Through adopting above-mentioned technical scheme, the sand class material of construction site advances the back hopper and is used for depositing of material, open the picture peg subassembly, make the inside noncongestion of conveying pipe, start the conveyer belt simultaneously, material in the feeder hopper falls on the conveyer belt through the conveying pipe, then transport to the screening incasement by the conveyer belt, the material carries out the screening of material particle size at the screening incasement, the screening case carries out the screening of material according to the screening specification, great material passes through first discharging pipe roll-off screening case after the material screening finishes, the less material of granule is from second discharging pipe roll-off screening case, directly fall subaerial behind the material roll-off of less granule, produce the raise dust easily, the raise dust majority of production is suppressed by the dust fall subassembly, reach the dust fall, protect operational environment's effect.

Optionally, the dust fall subassembly includes water tank, flow pipe, force (forcing) pump and shower nozzle, and water tank and force (forcing) pump are all fixed to be set up on screening incasement wall, and the flow pipe encircles on second ejection of compact pipe outer wall, force (forcing) pump one end and water tank intercommunication, the force (forcing) pump other end and flow pipe one end intercommunication, and the flow pipe is kept away from force (forcing) pump one end and is the shutoff form, and the shower nozzle is provided with a plurality ofly, and the shower nozzle is followed flow pipe length direction equidistance and.

Through adopting above-mentioned technical scheme, send the water pipe to encircle on second discharging pipe outer wall, make the space around the cover second discharging pipe that a plurality of shower nozzles can be more comprehensive, will send the interior dust fall water pressurization of water pipe through the force (forcing) pump, then be vaporific spraying through the shower nozzle, carry out the dust fall effect to the environment of second discharging pipe department, slightly wet the accumulational sand class material of second discharging pipe department simultaneously, because the material of second discharging pipe department is the less material of granularity, easily blow up by wind, drench the back by water and be difficult for blowing, be difficult for producing the raise dust, reach the dust fall, work environment's around the protection effect.

Optionally, the feeder hopper erects subaerial, and there is the distance feeder hopper bottom and ground, and the conveying pipe is vertical to be seted up in the feeder hopper bottom, is provided with the bounding wall between conveying pipe and the conveyer belt, and the bounding wall ring cover is fixed on conveying pipe circumference outer wall, and the bounding wall is the opening form towards screening case department.

Through adopting above-mentioned technical scheme, the material make full use of self gravity that the feeder hopper bottom was seted up in the feeder hopper is convenient for in the feeder hopper is followed the feeder pipe roll-off, and the space formation one between feeder pipe and the conveyer belt of bounding wall blocks the space of most raise dust diffusion, plays the effect of dust fall.

Optionally, the picture peg subassembly is including inserting the panel, first card strip and second card strip, the rectangular hole has been seted up on the vertical lateral wall of conveying pipe, the rectangular hole level is seted up, it runs through the rectangular hole and inserts inside the conveying pipe to insert panel one end level, it is located the inside vertical lateral wall of conveying pipe and the inseparable butt of conveying pipe inner wall to insert the panel, it is located conveying pipe outside one end and first card strip fixed connection to insert the panel, first card strip is located inserts panel top and vertical setting, the second card strip is located inserts the panel and gos deep into the inside one end of conveying pipe, the vertical setting of second card strip, second card strip top and the bottom fixed connection of inserting the panel, be provided with supporting component between first card strip top and the feeder hopper outer wall.

By adopting the technical scheme, the arrangement of the inserting plates enables the staff to control the amount of the materials falling on the conveyor belt, control the falling amount to ensure the stability of the conveyor belt and reduce partial dust emission; through the first card strip of pulling, make the staff change will insert the panel and draw in to keeping away from the conveying pipe direction through rectangular hole, thereby open the conveying pipe inner space, and the setting of second card strip plays the effect that blocks to inserting the panel, avoid inserting panel assaults fiercely and directly takes out from the conveying pipe, insert panel part and take out from the conveying pipe after, the material begins to pass through the conveying pipe, partial material falls and inserts panel upper portion, to inserting the panel and cause certain impact and pressure, supporting component's setting plays to support fixed effect to inserting the panel, the stability of inserting the panel has been guaranteed.

Optionally, the vertical projection of rectangular hole along self length direction is parallelogram, the top edge and the base of projection all incline to set up, and the incline direction inclines downwards along being close to the inside direction of feeder hopper, inserts panel outer wall and rectangular downthehole wall butt.

Through adopting above-mentioned technical scheme, the mode that sets up of rectangular hole makes to insert the panel and inserts for the decurrent state of slope behind the conveying pipe, has reduced the direct impact of material to inserting the panel in the conveying pipe, and it is more laborsaving to insert panel slant pull mode and compare horizontal pull, opens to insert the panel for constructor and provides convenience.

Optionally, the supporting component includes mobile jib, auxiliary rod and rack, the vertical setting of rack, and the rack is fixed to be set up on the feeder hopper outer wall, and the tooth back of rack sets up from the feeder hopper outer wall, and mobile jib one end is articulated with first card strip top, and just the articulated position is just to the rack setting, and another end links cover is provided with the bolt on the auxiliary rod outer wall on the mobile jib, and the bolt runs through the mobile jib and the inseparable butt of auxiliary rod outer wall, and the auxiliary rod is kept away from mobile jib one end and is supported to inlay between adjacent tooth.

Through adopting above-mentioned technical scheme, the panel is convenient for insert when different states in the setting of mobile jib and vice pole, and the distance of panel tip apart from the feeder hopper outer wall is inserted in the cooperation, through the relative position of adjusting mobile jib and vice pole, and the tip that makes the vice pole keep away from the mobile jib can be supported all the time and inlay between adjacent tooth to play the supporting role for inserting the panel.

Optionally, a suction fan is fixedly arranged on the outer wall of the feed hopper, a suction opening of the suction fan is arranged downwards, the suction fan is located on the outer wall of the feed hopper, which is opposite to the screening box, the suction fan is located right above the conveyor belt, a dust removal cloth bag is sleeved on the outer wall of the suction fan, and the dust removal cloth bag is sleeved at an air outlet of the suction fan.

Through adopting above-mentioned technical scheme, easily screening under the material dry state, so the material that falls from the feeder hopper is the dry material mostly, falls the dust absorption that the material was raised through the suction fan, is collected by the dust removal sack then, plays the effect of dust fall, has protected operational environment.

Optionally, the water tank is made of transparent materials.

Through adopting above-mentioned technical scheme, the water tank that transparent material made is convenient for the staff and observes the water level in the water tank constantly, to the timely replenishment of the dust fall water in the water tank.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the dust falling component is arranged to play a dust falling effect on dust generated by the smaller particle materials sliding out of the second discharge pipe, so that the working environment is protected;

2. the arrangement of the inserting plates enables workers to control the amount of the materials falling on the conveyor belt, control the falling amount to ensure the stability of the conveyor belt and reduce partial dust emission;

3. the suction fan and the dust removal cloth bag are arranged to play a role in dust collection at the feeding pipe, so that the effects of dust fall and protection of the surrounding working environment are achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of the overall structure of an embodiment of the present application;

FIG. 3 is a schematic view showing a part of the structure of the suction fan;

FIG. 4 is a partial structural cross-sectional view highlighting the support assembly.

Description of reference numerals: 1. a feed hopper; 11. a feed pipe; 111. a strip hole; 12. a suction fan; 13. a dust removal cloth bag; 14. a first leg; 2. a conveyor belt; 3. a screening box; 31. a feed inlet; 32. a first discharge pipe; 33. a second discharge pipe; 34. a sieve plate; 341. screening holes; 35. a second leg; 4. inserting and embedding the assembly; 41. inserting the panel; 42. a first clip strip; 43. a second card strip; 5. a dust fall assembly; 51. a water tank; 52. a water supply pipe; 53. a pressure pump; 54. a spray head; 6. enclosing plates; 7. a support assembly; 71. a main rod; 72. an auxiliary rod; 73. a rack.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses sand purifying machine.

Referring to fig. 1, a sand cleaning machine comprises a feed hopper 1, a conveyor belt 2 and a screening box 3, wherein the feed hopper 1 is communicated with a feeding pipe 11, the screening box 3 is positioned beside the feed hopper 1, the screening box 3 is provided with a feed inlet 31, the screening box 3 is communicated with a first discharge pipe 32 and a second discharge pipe 33, the conveyor belt 2 is positioned between the feed hopper 1 and the screening box 3, the transmission starting end of the conveyor belt 2 is positioned under the feeding pipe 11, the transmission tail end of the conveyor belt 2 penetrates through the feed inlet 31 and extends into the screening box 3, the feeding pipe 11 is provided with an inserting component 4, the inserting component 4 is used for controlling the opening and closing of an internal channel of the feeding pipe 11, when sand type materials on a construction site enter the sand type material, the sand type materials are unloaded into the feed hopper 1, the feed hopper 1 stores the materials, the conveyor belt 2 is started, meanwhile, the internal channel of the feeding pipe 11 is in a smooth state through the inserting component 4, then transported in screening case 3 by conveyer belt 2, the material is screened in screening case 3, make the material particle diameter of following first discharging pipe 32 and second discharging pipe 33 outflow be different specifications, the material particle diameter of following first discharging pipe 32 outflow is greater than the material particle diameter of second discharging pipe 33 outflow in this embodiment, second discharging pipe 33 department is provided with dust fall subassembly 5, dust fall subassembly 5 carries out the dust fall effect with the raise dust that second discharging pipe 33 department produced, reach the air circumstance dust fall to the construction, protect the effect of construction environment.

Referring to fig. 2, the feed hopper 1 is open at the top, a plurality of first support legs 14 are arranged at the bottom of the feed hopper 1, the feed hopper 1 is supported off the ground by the first support legs 14, and the feeding pipe 11 is vertically communicated with the bottom of the feed hopper 1; the bottom of the screening box 3 is provided with a plurality of second supporting legs 35, the screening box 3 is supported away from the ground by the second supporting legs 35, the first discharging pipe 32 is arranged on the side wall of the screening box 3, which is far away from the feed hopper 1, one end of the first discharging pipe 32 is communicated with the inside of the screening box 3, the other end of the first discharging pipe is arranged downwards in an inclined manner towards the direction far away from the screening box 3, the second discharging pipe 33 is vertically communicated with the bottom of the screening box 3, the feeding port 31 is arranged on the vertical side wall of the screening box 3, which is just opposite to the feed hopper 1, the vertical height of the feeding port 31 is higher than that of the feeding pipe 11 and that of the; the screening box 3 is internally and fixedly provided with a screen plate 34, the screen plate 34 is obliquely arranged, the vertical side wall of the screen plate 34 is fixedly connected with the inner wall of the screening box 3, one end of the screen plate 34 is positioned below the feeding port 31 and is arranged adjacent to the feeding port 31, the other end of the screen plate 34 is positioned below the first discharging pipe 32 and is arranged adjacent to the first discharging pipe 32, a plurality of screen holes 341 are formed in the screen plate 34, the screen plate 34 and the screen holes 341 are used for screening materials, the materials in the feeding hopper 1 fall on the conveying belt 2 under the self-weight, are conveyed to the feeding port 31 through the conveying belt 2 and then fall on the screen plate 34, because the screen plate 34 is in an oblique shape, the materials automatically slide to the lower part of the screen plate 34, the materials in accordance with the size of the screen holes 341 are screened by the screen plate 34, the materials falling below the screen plate 34 flow out through, and screening the materials and finally screening large-particle materials and small-particle materials.

Referring to fig. 1 and 3, be provided with bounding wall 6 between conveying pipe 11 and the conveyer belt 2, 6 ring covers of bounding wall are fixed in 11 bottoms of conveying pipe, this embodiment bounding wall 6 and conveying pipe 11's fixed mode can be for the bolt fastening, leave the distance between 6 bottoms of bounding wall and the conveyer belt, the inclination slope setting of conveyer belt 2 is complied with to 6 bottoms of bounding wall promptly, 6 one side of orientation screening case 3 of bounding wall is the opening form that falls, the material in the feeder hopper 1 passes through conveying pipe 11 on conveyer belt 2, can produce certain raise dust, 6 setting of bounding wall plays the effect that blocks partial raise dust to external environment diffusion, play the guard action to the construction environment.

Referring to fig. 2 and 4, the outer wall of the feeding pipe 11 is provided with a long hole 111, the long hole 111 is horizontally provided, the vertical projection of the top hole wall and the bottom hole wall of the long hole 111 along the length direction of the long hole 111 is inclined, and the inclined direction is inclined downwards towards the inner part of the feeding pipe 11; insert element 4 includes insert panel 41, first card strip 42, and second card strip 43. The feeding pipe 11 is rectangular pipe-shaped, the inserting and embedding plate 41 is correspondingly arranged into a rectangular plate shape, one end of the inserting and embedding plate 41 penetrates through the elongated hole 111 and extends into the feeding pipe 11, the vertical side wall of the inserting and embedding plate 41, which is positioned inside the feeding pipe 11, is tightly abutted against the inner wall of the feeding pipe 11, the outer wall of the inserting and embedding plate 41, which is close to the elongated hole 111, is tightly abutted against the hole wall of the elongated hole 111, the second clamping strip 43, which is positioned at one end of the inserting and embedding plate 41, which extends into the feeding pipe 11, the second clamping strip 43, which is vertically arranged, the top end of the second clamping strip 43 is fixedly connected with the bottom of the inserting and embedding plate 41, the first clamping strip 42, which is positioned at one end of the inserting and embedding plate 41, which is exposed outside the feeding pipe 11, the first clamping strip 42, which is vertically arranged, the bottom end of the first clamping strip 42 is fixedly connected with the top of the inserting and embedding plate 41, the vertical side, the panel 41 is conveniently pulled by a worker, the panel 41 is pulled by the worker, and the panel 41 is also inclined by the inclined arrangement mode of the strip holes 111, so that the phenomenon that the top of the panel 41 directly bears material impact is reduced, the panel 41 is pulled and pulled more labor-saving, the supporting component 7 is arranged between the top of the first clamping strip 42 and the outer wall of the feeding pipe 11, and the supporting component 7 plays a role in supporting the panel 41.

Referring to fig. 2 and 4, the supporting assembly 7 includes a main rod 71, a secondary rod 72 and a rack 73, the main rod 71 is hollow, one end of the main rod 71 is hinged to the top of the first clamping strip 42, the other end of the main rod is sleeved on the outer wall of one end of the secondary rod 72, the rack 73 is vertically arranged, the rack 73 is located on the vertical side wall of the feeding pipe 11 facing the first clamping strip 42, the rack 73 is located above the elongated hole 111, teeth of the rack 73 are facing the first clamping strip 42, one end of the secondary rod 72 far away from the main rod 71 is embedded between adjacent teeth, a bolt is arranged on the outer wall of the main rod 71, the bolt penetrates through the outer wall of the main rod 71 and abuts against the inner wall of the secondary rod 72, so that the main rod 71 and the secondary rod 72 are fixed, one end of the insert plate 41 located inside the feeding pipe 11 bears downward pressure caused by the material, and the supporting assembly 7 plays.

Referring to fig. 3, the fixed suction fan 12 that is provided with on the conveying pipe 11 outer wall, the inlet scoop of suction fan 12 sets up down, suction fan 12 is located directly over conveyer belt 2, suction fan 12 is located conveying pipe 11 and deviates from the vertical lateral wall of supporting component 7, the fit pot has dust removal sack 13 on the outer wall of suction fan 12, dust removal sack 13 overlaps and covers at suction fan 12 air outlet department, the material that falls on conveyer belt 2 produces the raise dust, most raise dust that spills over from enclosing fender breach department is siphoned away by suction fan 12, then by the sack dust fall collection, play the dust fall, protect the effect of construction environment on every side.

Referring back to fig. 1, the dustfall assembly 5 includes a plurality of water tanks 51, water supply pipes 52, pressure pumps 53 and nozzles 54, wherein the nozzles 54 are provided, the water tanks 51 and the pressure pumps 53 are fixedly arranged on the same vertical side wall of the screening box 3, the water tanks 51 are positioned above the pressure pumps 53, the water tanks 51 are made of plastic materials and are transparent, one ends of the pressure pumps 53 are communicated with the water tanks 51, the other ends of the pressure pumps are communicated with the water supply pipes 52, the water supply pipes 52 are annularly sleeved on the outer wall of the second discharge pipe 33, the nozzles 54 are fixedly arranged on the part of the water supply pipe 52 which surrounds the outer wall of the second discharge pipe 33, the adjacent nozzles 54 are equidistantly arranged along the length direction of the water supply pipe 52, nozzles of the nozzles 54 are arranged downwards, since the material with smaller particles flows out from the second discharge pipe 33 after being screened by the screening box 3, the material with smaller particles is more prone to generate dust, the pressure pumps 53, to the regional dust fall in second discharging pipe 33 below, wet the less material surface of granularity to piling up in second discharging pipe 33 below simultaneously, thereby reduce the phenomenon that wind blows the less material of granularity and produces the raise dust, reach the effect of protection construction environment.

The implementation principle of a sand purifying machine in the embodiment of the application is as follows: insert panel 41 is taken out, adjust supporting component 7, make the tip that vice pole 72 is far away from mobile jib 71 support to inlay on rack 73, sand class material falls on conveyer belt 2 from conveying pipe 11, the raise dust that produces this moment is absorbed by suction fan 12, dry material passes through conveyer belt 2 and gets into screening case 3, filter in screening case 3, the less material of granularity flows out from second discharging pipe 33, the great material of granularity flows out from first discharging pipe 32, shower nozzle 54 is the state of continuously spraying water, carry out the dust fall effect to the environment of second discharging pipe 33 department, reach the effect of protection surrounding construction environment.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A sand cleaning machine is characterized in that: comprises a feed hopper (1), a conveyor belt (2) and a screening box (3), wherein the feed hopper (1) is provided with a feeding pipe (11), the feeding pipe (11) is provided with an inserting plate component which is opened and closed together with the feeding pipe (11), the screening box (3) is erected beside the feed hopper (1), the screening box (3) is provided with a feed inlet (31), the level of the feed inlet (31) is higher than the level of the feeding pipe (11), the conveyor belt (2) is obliquely arranged, the transmission starting end of the conveyor belt (2) is positioned under the feeding pipe (11), the transmission tail end of the conveyor belt (2) penetrates through the feed inlet (31) and is positioned in the screening box (3), the screening box (3) is provided with a first discharge pipe (32) for large-particle materials to flow out, and a second discharge pipe (33) for flowing out of the small particle materials, wherein a dust fall component (5) for reducing dust at the discharge hole is arranged on the second discharge pipe (33).

2. A sand cleaning machine according to claim 1, wherein: dust fall subassembly (5) include water tank (51), flow tube (52), force (forcing) pump (53) and shower nozzle (54), water tank (51) and force (forcing) pump (53) are all fixed to be set up on screening case (3) outer wall, flow tube (52) encircle on second discharging pipe (33) outer wall, force (forcing) pump (53) one end and water tank (51) intercommunication, force (forcing) pump (53) other end and flow tube (52) one end intercommunication, flow tube (52) are kept away from force (forcing) pump (53) one end and are the shutoff form, shower nozzle (54) are provided with a plurality ofly, shower nozzle (54) are along flow tube (52) length direction equidistance distribution.

3. A sand cleaning machine according to claim 1, wherein: feeder hopper (1) erects subaerial, and there is the distance feeder hopper (1) bottom and ground, and feeding tube (11) are vertical to be seted up in feeder hopper (1) bottom, are provided with bounding wall (6) between feeding tube (11) and conveyer belt (2), and bounding wall (6) ring cover is fixed on feeding tube (11) circumference outer wall, and bounding wall (6) are located to be the opening form towards screening case (3).

4. A sand cleaning machine according to claim 3, wherein: the board assembly includes a board (41), first card strip (42) and second card strip (43), rectangular hole (111) have been seted up on the vertical lateral wall of conveying pipe (11), rectangular hole (111) level is seted up, insert panel (41) one end level and run through rectangular hole (111) and insert inside conveying pipe (11), insert panel (41) and be located the inside vertical lateral wall of conveying pipe (11) and feed pipe (11) inner wall closely butt, insert panel (41) and be located the outside one end of conveying pipe (11) and first card strip (42) fixed connection, first card strip (42) are located insert panel (41) top and vertical setting, second card strip (43) are located insert panel (41) and go deep into the inside one end of conveying pipe (11), second card strip (43) vertical setting, second card strip (43) top and insert panel (41) bottom fixed connection, be provided with between first card strip (42) top and feeder hopper (1) outer wall and prop up subassembly (7).

5. A sand cleaning machine according to claim 4, wherein: the vertical projection of rectangular hole (111) along self length direction is parallelogram, the top edge and the base of projection all incline to set up, and the incline direction inclines downwards along being close to feeder hopper (1) inside direction, inserts panel (41) outer wall and rectangular hole (111) inner wall butt.

6. A sand cleaning machine according to claim 4, wherein: supporting component (7) include mobile jib (71), vice pole (72) and rack (73), rack (73) vertical setting, rack (73) are fixed to be set up on feeder hopper (1) outer wall, the tooth of rack (73) sets up from feeder hopper (1) outer wall, mobile jib (71) one end is articulated with first gib block (42) top, and articulated position is just setting up rack (73), another end ring cover is on vice pole (72) outer wall, be provided with the bolt on mobile jib (71), the bolt runs through mobile jib (71) and the inseparable butt of vice pole (72) outer wall, mobile jib (71) one end butt is kept away from in vice pole (72) is inlayed between adjacent tooth.

7. A sand cleaning machine according to claim 1, wherein: the screening device is characterized in that a suction fan (12) is fixedly arranged on the outer wall of the feed hopper (1), an air suction opening of the suction fan (12) is arranged downwards, the suction fan (12) is located on the outer wall of the feed hopper (1) and just opposite to the screening box (3), meanwhile, the suction fan (12) is located right above the conveyor belt (2), a dust removal cloth bag (13) is sleeved on the outer wall of the suction fan (12), and the dust removal cloth bag (13) is sleeved at an air outlet of the suction fan (12).

8. A sand cleaning machine according to claim 2, wherein: the water tank (51) is made of transparent materials and is used as the water tank (51).

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