CN215429506U - Abandonment brick and tile superfine sand apparatus for producing - Google Patents

Abstract

The utility model belongs to the technical field of constructional engineering, and particularly relates to a production device of waste brick and tile superfine sand. The production device of the waste brick and tile superfine sand comprises a crushing box, a feeding belt, a crushing roller, a crushing motor, a first vibrating screen, a second vibrating screen, a coarse material guide belt, a return belt, a scraper type lifting belt I and a grinding mill. The two-stage crushing structure is arranged to circularly crush the waste brick and tile materials, the roller pair mode is adopted for primary crushing, the large materials are mainly crushed into small materials, the grinding mode is adopted for secondary crushing, the small materials are ground, the crushing efficiency is high, the crushed materials basically meet the requirement of the particle size of the superfine sand, and the crushing effect is good.

Description

Abandonment brick and tile superfine sand apparatus for producing

Technical Field

The utility model belongs to the technical field of constructional engineering, and particularly relates to a production device of waste brick and tile superfine sand.

Background

The method for recycling the waste brick and tile resources mainly comprises the steps of crushing broken bricks and tiles into 'recycled aggregate', wherein the broken bricks and tiles can be used for manufacturing ultrafine sand, so that the waste bricks and tiles are recycled, the conventional crushing equipment can crush the waste bricks, large materials can be crushed into small materials, and the crushed materials cannot meet the requirement on the particle size of the ultrafine sand. Therefore, it is needed to design a superfine material crushing device for waste bricks and tiles to meet the requirement of making superfine sand from the waste bricks and tiles and realize recycling of the waste bricks and tiles.

Disclosure of Invention

The utility model aims to provide a production device of waste brick and tile superfine sand, which adopts a high-two-stage crushing mode and has high crushing efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a production device of waste brick and tile ultrafine sand comprises a crushing box, a feeding belt, a crushing roller, a crushing motor, a first vibrating screen, a second vibrating screen, a coarse material guiding belt, a return belt, a scraper type lifting belt I and a grinding mill; a feed inlet is arranged on one side of the crushing box, a feed belt is arranged at the outlet of the feed inlet, a group of crushing rollers are arranged in the middle of the crushing box through rotating shafts, the rotating shafts of the two crushing rollers are connected through gear transmission, wherein the rotating shaft of one crushing roller is in transmission connection with the output shaft of a crushing motor through a V-belt, a first vibrating screen and a second vibrating screen are sequentially arranged below the crushing roller from top to bottom, a material guide plate is arranged on the side wall of the crushing box opposite to the first vibrating screen, a coarse material guide belt is arranged at the outlet of the screen surface of the first vibrating screen, coarse fodder lead and send belt discharge end below to be provided with coarse fodder feed back belt, coarse fodder feed back belt discharge end below is provided with scraper blade type and promotes belt I, scrapes the butt joint of scraper blade type and promotes belt I upper end and feeding belt, the second shakes and sieves screen surface export below and installs the mill that is used for the fine material after the second shakes the sieve screening and grinds, the second shakes and sieves the below and is provided with the superfine sand export.

Further, the production device of the waste brick and tile superfine sand further comprises a dust removal mechanism, a dust removal opening is formed in the top of the crushing box, and the dust removal mechanism is communicated with the dust removal opening.

Further, dust removal mechanism include dust removal case, expand the fan housing, filter screen, fan, suction hood, tuber pipe valve, dust exhaust valve, the induced air mouth has been seted up at dust removal roof portion, induced air mouth department is connected with expands the fan housing, expands fan housing and dust removal case intercommunication department and sets up the filter screen, expands the fan housing export and passes through the pipeline and be connected with the fan, the suction hood install at the dust removal mouth, the dust removal hood passes through tuber pipe and dust removal case intercommunication, is provided with the tuber pipe valve on the tuber pipe, dust removal bottom of the case portion is provided with the dust exhaust mouth, installs the dust exhaust valve on the dust exhaust mouth.

Further, dust removal mechanism still include the controller, the tuber pipe valve be the solenoid valve, the dust exhaust valve is the electrodynamic type valve of unloading, tuber pipe valve, dust exhaust valve and fan all be connected with the controller electricity.

Further, the dust exhaust valve comprises a shell, a flashboard and an unloading motor, the shell is cylindrical, the flashboard is installed in the shell through a rotating shaft, the installing rotating shaft of the flashboard is connected with an output shaft of the unloading motor outside the shell, and the unloading motor is electrically connected with the controller.

Further, the mill including mill storehouse, feeder hopper, fixed pinion rack, decide tooth, final drive shaft, move the fluted drum, move tooth, support on, annular vibrating screen, fine sand export and fine sand guide belt, the storehouse top of milling be provided with the feeder hopper, the feeder hopper is located under first sieve face export that shakes, grind storehouse inner wall circumference and install fixed pinion rack, the arrangement of fixed tooth on the fixed pinion rack, the tooth cylinder is installed through final drive shaft to fixed pinion rack below, move the tooth cylinder outer fringe axial arrangement and move the tooth, move fluted drum and fixed pinion rack clearance fit, final drive shaft passes through the bearing and installs on the support, the motor output shaft of milling be connected with final drive shaft transmission, move the clearance below between fluted drum and the fixed pinion rack and be provided with annular vibrating screen, the fine sand export has been seted up to annular vibrating screen one side, the fine sand exit is connected with the fine sand guide belt.

Furthermore, the fixed toothed plate and the movable toothed roller are both in a conical structure.

Furthermore, the movable teeth on the movable tooth roller are arranged in a spiral manner, and a plurality of nail teeth are arranged into a plurality of spiral teeth.

Furthermore, a cylindrical baffle matched with the edge of the bottom of the movable tooth roller is arranged on the inner side of the annular vibrating screen.

Further, fine sand guide belt discharge end below be provided with fine sand feed back belt, fine sand feed back belt discharge end below is provided with scraper type lifting belt II, scraper type lifting belt upper end is connected with fine sand feed belt, fine sand feed belt end is located the feeder hopper top.

The utility model has the beneficial effects that:

1. the two-stage crushing structure is arranged to circularly crush the waste brick and tile materials, the roller pair mode is adopted for primary crushing, the large materials are mainly crushed into small materials, the grinding mode is adopted for secondary crushing, the small materials are ground, the crushing efficiency is high, the crushed materials basically meet the requirement of the particle size of the superfine sand, and the crushing effect is good.

2. According to the utility model, the dust in the inner cavity of the crushing box is collected in a negative pressure adsorption mode, and the dust attached to the dust filter screen is subjected to back-blowing cleaning in a fan back-blowing mode, so that the dust in the crushing process can be effectively reduced, the dust can be recovered, and the harm of the dust to workers is greatly reduced. In addition, carry out automated control to the raise dust clearance process through the controller, the controller can realize the automatic switch between two operating condition of dust absorption and dust exhaust, reduces the human input, avoids the filter screen shutoff, prolongs its life.

3. The grinding machine is provided with the fixed toothed plate and the movable toothed roller, small materials are subjected to secondary crushing and grinding in a rotating and grinding mode, the grinding efficiency is high, the requirement on the particle size of ultrafine sand can be met to a greater extent, the qualified rate of the ground materials is greatly improved, the crushing effect is good, the movable teeth are arranged in a spiral shape, the materials can move along the spiral movable teeth in the grinding process, the materials cannot directly fall to the tail end of the movable toothed roller and cannot be accumulated at a certain position of the movable teeth, the spiral movable teeth can slowly guide the materials from the upper end of the movable toothed roller to the tail end, and the materials are continuously extruded in the process, so that the materials are ground.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a rear view of the crushing box of the present invention;

FIG. 3 is a schematic view of the dust exhausting valve of the present invention;

FIG. 4 is a moving-tooth drum of the present invention;

FIG. 5 is a schematic structural view of an annular vibratory screen of the present invention;

FIG. 6 is a control block diagram of the dust removing device of the present invention;

fig. 7 is a circuit diagram of fig. 6.

In the figure: 1-crushing box, 2-feeding port, 3-feeding belt, 4-crushing roller, 5-crushing motor, 6-first vibrating screen, 7-second vibrating screen, 8-coarse material guiding and conveying belt, 9-coarse material returning belt, 10-scraper type lifting belt I, 11-superfine sand outlet, 12-dust removing port, 13-dust removing box, 14-air inducing port, 15-air diffusing cover, 16-dust filtering net, 17-fan, 18-dust absorbing cover, 19-air pipe, 20-air pipe valve, 21-dust removing port, 22-dust removing valve, 23-controller, 24-shell, 25-discharging motor, 26-discharging motor, 27-shutter grinding bin, 28-feeding hopper, 29-fixed toothed plate, 30-fixed tooth, 31-main transmission shaft, 32-moving tooth roller, 33-moving tooth, 34-support, 35-grinding motor, 36-annular vibrating screen, 37-fine sand outlet, 38-fine sand guiding belt, 39-cylindrical baffle, 40-fine sand returning belt, 41-scraper type lifting belt II, 42-fine sand feeding belt and 43-guide plate.

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. 1-7, a device for producing ultra-fine sand from waste tiles comprises a crushing box 1, a feeding belt 3, a crushing roller 4, a crushing motor 5, a first vibrating screen 6, a second vibrating screen 7, a coarse material guiding belt 8, a return belt, a scraper type lifting belt I10 and a grinding mill; the crushing box comprises a crushing box 1, a feed inlet 2, a feed belt 3, a group of crushing rollers 4, a gear transmission connection between the rotating shafts of the two crushing rollers 4, a V belt for connecting the rotating shaft of one crushing roller 4 with the output shaft of a crushing motor 5, a first vibrating screen 6 and a second vibrating screen 7 sequentially arranged below the crushing rollers 4 from top to bottom, the first vibrating screen 6 and the second vibrating screen 7 are obliquely arranged, the outlet end of the screen surface is lower than the other end of the screen surface to ensure that the material can slide down along the screen surface by self-weight, a material guide plate 43 is arranged on the side wall of the crushing box 1 opposite to the first vibrating screen 6 and used for guiding the material on the right side of the crushing box 1 to the high point position at the left end of the first vibrating screen 6 to avoid the crushed material from directly falling to the outlet of the screen surface of the first vibrating screen 6 to ensure the screening effect, a coarse material guide belt 8 is arranged at the outlet of the screen surface of the first vibrating screen 6, 8 discharge end below of coarse fodder guide belt is provided with coarse fodder feed back belt 9, 9 discharge end below of coarse fodder feed back belt are provided with scraper type lifting belt I10, scraper type lifting belt I10 upper end and feeding belt 3 butt joint, the second shakes 7 sifter face export below and installs the mill that is used for the fine material after 7 sieves of second shake to grind, second shakes 7 below of sifter and is provided with superfine sand export 11. During the crushing, the material is first led by the feeding belt 3 of feed inlet 2 department and is sent to broken incasement 1, then there is crushing motor 5 to rotate and drive two crushing rollers 4 and rotate, carry out the one-level breakage to bold abandonment brick and tile material, the breakage is the tiny particle coarse fodder promptly in advance, with bold abandonment brick and tile material breakage, material dead weight whereabouts after the breakage is to first sieve 6 that shakes on, sieve by first sieve 6 that shakes, the coarse fodder that the breakage that separates out on the sifter is not in place is derived to the feed back belt by coarse fodder guide belt 8, and lead back feeding belt 3 by scraper blade type promotion belt I10, carry out repeated breakage, until the material breakage to can pass first sieve 6 sieve mesh that shakes. The fine material that sieves 6 screens through first shaking then falls to the second and shakes sieve 7 under the dead weight, and the second shakes 7 sieve mesh diameters of sieve and satisfies the demand of superfine sand particle diameter, and the material that passes second and shakes sieve 7 is superfine sand material, can directly use, and the material that sieves 7 screens out by the second shakes then by the second shake sieve 7 sifter export discharge fall into the mill built-in, carry out the second grade breakage. The two-stage crushing structure is arranged to circularly crush the waste brick and tile materials, the roller pair mode is adopted for primary crushing, the large materials are mainly crushed into small materials, the grinding mode is adopted for secondary crushing, the small materials are ground, the crushing efficiency is high, the crushed materials basically meet the requirement of the particle size of the superfine sand, and the crushing effect is good.

Waste brick and tile superfine sand apparatus for producing still include dust removal mechanism, dust removal mouth 12 has been seted up at broken case 1 top, dust removal mechanism and dust removal mouth 12 intercommunication, at the crushing process, because it is great to produce the dust volume when the broken bold material of pair roller, can adsorb the dust that produces in the crushing process through dust removal mechanism, avoid the dust to scatter outward in a large number, reduce the harm of dust to the staff. Dust removal mechanism include dust removal case 13, expand fan housing 15, dust screen 16, fan 17, suction hood 18, tuber pipe 19, tuber pipe valve 20, dust exhaust valve 22, and induced air 14 has been seted up at dust removal case 13 top, and induced air 14 department is connected with expands fan housing 15, expands fan housing 15 and sets up dust screen 16 with dust removal case 13 intercommunication department, expands fan housing 15 export and passes through the pipeline and be connected with fan 17, suction hood 18 install at dust removal mouth 12, the dust hood passes through tuber pipe 19 and dust removal case 13 intercommunication, is provided with tuber pipe valve 20 on the tuber pipe 19, dust removal case 13 bottom is provided with dust exhaust mouth 21, installs dust exhaust valve 22 on the dust exhaust mouth 21. Dust removal mechanism still include controller 23, tuber pipe valve 20 be the solenoid valve, dust exhaust valve 22 is the electrodynamic type valve of unloading, tuber pipe valve 20, dust exhaust valve 22 and fan 17 all be connected with controller 23 electricity. During crushing, the controller 23 controls the fan 17 to start, the fan 17 rotates forwards, the dust exhaust valve 22 is controlled to close, the air pipe valve 20 is opened, the fan 17 exhausts air in the dust removal box 13, so that the dust removal box 13 is in a negative pressure state, dust generated by crushing in the crushing box 1 is exhausted from the dust removal port 12, is collected by the dust hood 18 and is pumped into the dust removal box 13 through the air pipe 19, the dust filter 16 can filter the dust during adsorption, the wind can be exhausted from the fan 17 through the dust filter 16, when the dust filter 16 adsorbs excessive dust and cannot pass through wind flow, the controller 23 controls the air pipe valve 20 to close, the dust exhaust valve 22 is opened, the fan 17 is controlled to rotate backwards, when the fan 17 rotates backwards, the wind blows into the wind expansion cover 15 to blow the dust adsorbed on the dust filter 16, the dust is blown to the bottom of the dust removal box 13 and is exhausted through the dust exhaust port 21, the dust is cleaned. The raise dust of 1 inner chamber of broken case is collected through the absorbent mode of negative pressure to the mode through 17 blowbacks carries out the blowback clearance to the dust that adheres to on the dirt screen 16, not only can the effectual raise dust that reduces among the crushing process, but also can carry out recovery processing to the raise dust, the harm of the raise dust that has significantly reduced to the workman. In addition, the dust raising and cleaning process is automatically controlled through the controller 23, the controller 23 can realize automatic conversion between two working states of dust collection and dust discharge, the labor input is reduced, the blocking of the dust filter 16 is avoided, and the service life of the dust filter is prolonged.

Dust exhaust valve 22 include casing 24, flashboard 25 and motor 26 of unloading, casing 24 is cylindrical, install the flashboard 25 through the pivot in the casing 24, the installation pivot of flashboard 25 is connected with the outer motor 26 output shaft of unloading of casing 24, motor 26 of unloading is connected with controller 23 electricity, dust exhaust valve 22 closes, flashboard 25 is in horizontal position, the blocking is stopped dust exhaust mouth 21, during the dust exhaust, controller 23 control motor 26 of unloading rotates, drive flashboard 25 rotates, make flashboard 25 be in vertical state, dust exhaust valve 22 opens, make things convenient for the dust to discharge.

The mill including mill storehouse 27, feeder hopper 28, fixed tooth plate 29, decide tooth 30, final drive shaft 31, move tooth cylinder 32, move tooth 33, support 34 on, annular vibrating screen 36, fine sand export and fine sand guide belt, mill storehouse 27 top be provided with feeder hopper 28, feeder hopper 28 is located under the 6 sifter exports of first shale shaker, grind storehouse inner wall circumference and install fixed tooth plate 29, the last fixed tooth 30 of having arranged of fixed tooth plate 29, the movable tooth cylinder 32 is installed through final drive shaft 31 in fixed tooth plate 29 below, the movable tooth 33 of having arranged of movable tooth cylinder 32 outer fringe axial, movable tooth cylinder 32 and fixed tooth plate 29 clearance fit, final drive shaft 31 passes through the bearing and installs on support 34, mill motor 35 output shaft and final drive shaft 31 transmission be connected, the clearance below between movable tooth cylinder 32 and the fixed tooth plate 29 is provided with annular vibrating screen 36, fine sand export 37 has been seted up to annular vibrating screen 36 one side, the edge of the support 34 below the annular vibrating screen 36 is provided with a material guide table for guiding the superfine sand passing through the annular vibrating screen 36 to the periphery of the support 34, so that the material is convenient to clean. The fine sand outlet 37 is connected with a fine sand guiding and conveying belt 38, a fine sand return belt 40 is arranged below the discharge end of the fine sand guiding and conveying belt 38, a scraper type lifting belt II41 is arranged below the discharge end of the fine sand return belt 40, the upper end of the scraper type lifting belt is connected with a fine sand feeding belt 42, and the tail end of the fine sand feeding belt 42 is positioned above the feed hopper 28. During grinding, the grinding motor 35 works to drive the movable tooth roller 32 to rotate, the materials crushed in the first stage enter the grinding bin 27 from the feed hopper 28 and then fall into a gap between the fixed tooth plate 29 and the movable tooth roller 32, the materials are crushed in the second stage due to the matching of the fixed tooth 30 and the movable tooth 33, the materials are ground for the second time, the materials after grinding fall to the annular vibrating screen 36, the materials are screened by the annular vibrating screen 36, the separated superfine sand materials directly pass through the vibrating screen and then fall to the periphery of the material guide table, the separated fine sand needs to be ground again, therefore, the separated fine sand materials are discharged from the fine sand outlet 37 on one side of the annular vibrating screen 36, are guided to the fine sand return belt 40 by the fine sand guide belt 38, are guided to the scraper type lifting belt II41 by the fine sand return belt 40, and are lifted to the fine scraper type lifting belt II41, and then is guided back into the feed hopper 28 by a fine sand feeding belt 42 to be milled again until the requirement of the diameter of the ultrafine sand is met. The utility model adopts a rotary grinding mode to carry out secondary crushing and grinding on small materials, has high grinding efficiency, can meet the requirement of the particle size of the superfine sand to a greater extent, greatly improves the qualified rate of the ground materials and has good crushing effect.

The fixed gear plate 29 and the movable gear roller 32 are both in a conical structure. Move the tooth 33 that moves on the tooth cylinder 32 and become spiral arrangement, arrange into a plurality of heliciform teeth by a plurality of spike teeth, move tooth 33 and arrange into the heliciform, at the abrasive material in-process, the material can move along spiral tooth 33, not only can directly not drop to move tooth cylinder 32 end, also can not pile up in a certain department that moves tooth 33, it can be terminal by moving tooth cylinder 32 upper end guide slowly with the material to be spiral-shaped to move tooth 33, constantly extrude between this in-process material, realize that the material mills.

The cylindrical baffle 39 matched with the bottom edge of the movable tooth roller 32 is arranged on the inner side of the annular vibrating screen 36, so that the materials are prevented from scattering from the edge of the movable tooth roller 32, and the material loss is reduced.

The working process of the utility model is as follows:

during the crushing, the material is guided by the feeding belt 3 of feed inlet 2 department earlier and is sent to broken incasement 1, then there is crushing motor 5 to rotate and drive two crushing rollers 4 and rotate, carry out the one-level breakage to massive abandonment brick and tile material, material dead weight after the breakage falls to first sieve 6 that shakes, sieve by first sieve 6 that shakes, the coarse fodder that the breakage that separates out on the sifter is not in place is derived to the feed back belt by coarse fodder guide belt 8, and guide back feeding belt 3 by scraper type promotion belt I10, carry out repeated breakage, until the material is broken to can pass 6 sieve meshes of first sieve that shakes. The fine material that is sieved out by first shale shaker dead weight whereabouts to second sieve 7 that shakes to shake by the second and carry out the secondary screening, the material that passes second sieve 7 that shakes is superfine sand material, can directly use, and the material that is sieved out by second sieve 7 sifter that shakes then is shaken by the second and is sieved 7 sifter export discharge and fall into the milling machine, carries out the milling of second grade.

During grinding, the grinding motor 35 works to drive the movable tooth roller 32 to rotate, the materials crushed in the first stage enter the grinding bin 27 from the feed hopper 28 and then fall into a gap between the fixed tooth plate 29 and the movable tooth roller 32, the materials are crushed in the second stage due to the matching of the fixed tooth 30 and the movable tooth 33, the materials are ground for a second time, the materials after grinding fall to the annular vibrating screen 36, the materials after grinding are screened by the annular vibrating screen 36, the separated superfine sand materials directly pass through the vibrating screen and then fall to the periphery of the material guide table, the separated fine sand materials are discharged from a fine sand outlet 37 at one side of the annular vibrating screen 36 and are conveyed to a fine sand return belt 40 by a fine sand guide belt 38, then are conveyed to a scraper type lifting belt II41 by the fine sand return belt 40, are lifted to a fine sand feeding belt 42 by a scraper type lifting belt II41, and then are conveyed back to the feed hopper 28 by the fine sand feeding belt 42, grinding is carried out again until the requirement of the diameter of the superfine sand is met.

During dust removal, the controller 23 controls the fan 17 to start, the fan 17 rotates forwards, the dust exhaust valve 22 is controlled to close, the air pipe valve 20 is opened, the fan 17 exhausts air in the dust removal box 13, so that the dust removal box 13 is in a negative pressure state, dust generated by crushing in the crushing box 1 is exhausted from the dust removal port 12, is collected by the dust hood 18 and is pumped into the dust removal box 13 through the air pipe 19, the dust filter 16 can filter the dust during adsorption, the wind can be exhausted by the fan 17 through the dust filter 16, when the dust filter 16 adsorbs excessive dust and cannot pass through wind flow, the controller 23 controls the air pipe valve 20 to close, the dust exhaust valve 22 is opened, the fan 17 is controlled to rotate backwards, when the fan 17 rotates backwards, the wind blows into the wind expansion cover 15 to blow the dust adsorbed on the dust filter 16, the dust is blown to the bottom of the dust removal box 13 and is exhausted through the dust exhaust port 21, the dust is cleaned.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (10)

1. The utility model provides a super fine sand apparatus for producing of abandonment brick and tile which characterized in that: the production device of the waste brick and tile superfine sand comprises a crushing box, a feeding belt, a crushing roller, a crushing motor, a first vibrating screen, a second vibrating screen, a coarse material guide belt, a return belt, a scraper type lifting belt I and a grinding mill; a feed inlet is arranged on one side of the crushing box, a feed belt is arranged at the outlet of the feed inlet, a group of crushing rollers are arranged in the middle of the crushing box through rotating shafts, the rotating shafts of the two crushing rollers are connected through gear transmission, wherein the rotating shaft of one crushing roller is in transmission connection with the output shaft of a crushing motor through a V-belt, a first vibrating screen and a second vibrating screen are sequentially arranged below the crushing roller from top to bottom, a material guide plate is arranged on the side wall of the crushing box opposite to the first vibrating screen, a coarse material guide belt is arranged at the outlet of the screen surface of the first vibrating screen, coarse fodder lead and send belt discharge end below to be provided with coarse fodder feed back belt, coarse fodder feed back belt discharge end below is provided with scraper blade type and promotes belt I, scrapes the butt joint of scraper blade type and promotes belt I upper end and feeding belt, the second shakes and sieves screen surface export below and installs the mill that is used for the fine material after the second shakes the sieve screening and grinds, the second shakes and sieves the below and is provided with the superfine sand export.

2. The apparatus for producing ultra-fine sand from waste bricks and tiles as claimed in claim 1, wherein: the production device for the waste brick and tile superfine sand further comprises a dust removal mechanism, a dust removal opening is formed in the top of the crushing box, and the dust removal mechanism is communicated with the dust removal opening.

3. The apparatus for producing ultra-fine sand from waste bricks and tiles as claimed in claim 2, wherein: dust removal mechanism include dust removal case, expand the fan housing, filter screen, fan, suction hood, tuber pipe valve, dust exhaust valve, the induced air mouth has been seted up at dust removal roof portion, induced air mouth department is connected with expands the fan housing, expands the fan housing and sets up the filter screen with dust removal case intercommunication department, expands the fan housing export and passes through the pipeline and be connected with the fan, the suction hood install at the dust removal mouth, the dust removal hood passes through tuber pipe and dust removal case intercommunication, is provided with the tuber pipe valve on the tuber pipe, dust removal bottom of the case portion is provided with the dust exhaust mouth, installs the dust exhaust valve on the dust exhaust mouth.

4. The apparatus for producing ultra-fine sand from waste bricks and tiles as claimed in claim 3, wherein: the dust removal mechanism still include the controller, the tuber pipe valve be the solenoid valve, the dust exhaust valve is the electrodynamic type valve of unloading, tuber pipe valve, dust exhaust valve and fan all be connected with the controller electricity.

5. The apparatus for producing ultra-fine sand from waste bricks and tiles as claimed in claim 4, wherein: the dust exhaust valve comprises a shell, a flashboard and an unloading motor, wherein the shell is cylindrical, the flashboard is installed in the shell through a rotating shaft, the rotating shaft for installing the flashboard is connected with an output shaft of the unloading motor outside the shell, and the unloading motor is electrically connected with the controller.

6. The apparatus for producing ultra-fine sand from waste tiles according to claim 1 or 2, wherein: the mill including the storehouse of milling, feeder hopper, fixed pinion rack, decide tooth, final drive shaft, move the fluted drum, move tooth, support on, annular vibrating screen, fine sand export and fine sand guide the belt, the storehouse top of milling be provided with the feeder hopper, the feeder hopper is located under first shale shaker sifter surface export, grind storehouse inner wall circumference and install fixed pinion rack, the fixed tooth of having arranged on the fixed pinion rack, decide the fluted drum below and install through final drive shaft and move the fluted drum, move fluted drum outer fringe axial and arrange and move the tooth, move fluted drum and decide fluted drum clearance fit, final drive shaft passes through the bearing and installs on the support, it is provided with annular vibrating screen to move the clearance below between fluted drum and the fixed pinion rack, the fine sand export has been seted up to annular vibrating screen one side, the fine sand exit is connected with the fine sand and guides the belt.

7. The apparatus for producing ultra-fine sand from waste bricks and tiles as claimed in claim 6, wherein: the fixed toothed plate and the movable toothed roller are both in a conical structure.

8. The apparatus for producing ultra-fine sand from waste bricks and tiles as claimed in claim 7, wherein: the movable teeth on the movable tooth roller are arranged in a spiral manner, and a plurality of nail teeth are arranged into a plurality of spiral teeth.

9. The apparatus for producing ultra-fine sand from waste bricks and tiles as claimed in claim 6, wherein: and a cylindrical baffle matched with the edge of the bottom of the movable tooth roller is arranged on the inner side of the annular vibrating screen.

10. The apparatus for producing ultra-fine sand from waste bricks and tiles as claimed in claim 6, wherein: the fine sand guide belt discharge end below be provided with fine sand feed back belt, fine sand feed back belt discharge end below is provided with scraper type lifting belt II, scraper type lifting belt upper end is connected with fine sand feed belt, fine sand feed belt end is located the feeder hopper top.

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