CN109759328B

CN109759328B - Gangue separating sieve, gangue separating part and coal purifying and gangue removing machine

Info

Publication number: CN109759328B
Application number: CN201910141886.4A
Authority: CN
Inventors: 蔚伟; 蔚梓琪; 严冬梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-26
Filing date: 2019-02-26
Publication date: 2023-12-26
Anticipated expiration: 2039-02-26
Also published as: CN109759328A

Abstract

The invention discloses a gangue separating sieve, a gangue separating part and a coal purifying and gangue removing machine. The gangue coal separating screen is characterized in that the bottom surface of the gangue coal separating screen is right trapezoid, a plurality of ventilation openings are distributed on the plate surface of the gangue coal separating screen, and a plurality of guide channels are distributed on the upper surface of the gangue coal separating screen. The gangue separation part comprises the gangue separation sieve. The gangue removing machine for coal purification comprises the gangue coal sorting part, a frame part, a feeding part, a discharging part, an air supply part and a dust removing part. The invention can vibrate the gangue separating screen and combine with wind blown up from a plurality of ventilation openings to separate and split gangue mixtures on the gangue separating screen, thus separating coal from gangue without water resources, and simultaneously separating coal from gangue underground. Can separate coal from gangue in the coal mine site.

Description

Gangue separating sieve, gangue separating part and coal purifying and gangue removing machine

Technical Field

The invention relates to a separation sieve, a separation part and a purifying machine, in particular to a gangue separating sieve, a gangue separating part and a coal purifying and gangue removing machine.

Background

The mixing of a large amount of gangue in the raw coal mining of the coal mine not only brings difficulty to other operation steps such as pre-screening, but also causes a large amount of blocky gangue to enter the coal dressing operation, directly influences the coal dressing operation, and is unfavorable for improving the product quality. The common separation method has the advantages that the manual separation method is adopted, the large gangue is picked out from the mixed coal on the belt conveyor by hand, the labor intensity of the method is high, the working environment of workers is very hard, the efficiency is low, and the condition of miss-selection and miss-selection often occurs. The water separation utilizes the difference of the densities of coal and gangue, and the separation is carried out by means of the buoyancy of water, so that the method has good effect, but the equipment is expensive, the process is complex, a large amount of water resources are needed, and for some places rich in coal resources but lacking water, the water separation is a big bottleneck of the coal separation process, is contrary to the low energy consumption in the current stage of China, can only separate coal from gangue in a fixed factory building, and cannot separate coal from gangue in a coal mine site.

Disclosure of Invention

The invention aims to provide a gangue coal separating screen, which can separate coal from gangue without water resources and can separate coal from gangue underground.

The second technical problem to be solved by the invention is to provide a gangue separating part which can separate coal from gangue without water resources and can separate the coal from the gangue underground.

The third technical problem to be solved by the invention is to provide the coal purification and gangue removal machine, which can separate coal from gangue without water resources and can separate the coal from the gangue underground.

In order to solve the first technical problem, the invention provides a gangue separating screen, the shape of a bottom plate of the gangue separating screen is a right trapezoid, a high side of the bottom plate of the gangue separating screen is provided with an inclined baffle, an included angle between the inclined baffle and the bottom plate of the gangue separating screen is an acute angle, at least one vibrating motor is arranged outside the inclined baffle, a rotating shaft of the vibrating motor is perpendicular to the high side of the bottom plate of the gangue separating screen, an included angle between the rotating shaft of the vibrating motor and the bottom plate of the gangue separating screen is larger than 0 DEG and smaller than or equal to 90 DEG, the rotating shaft of the vibrating motor rotates clockwise when seen from the upper end of the rotating shaft of the vibrating motor, the long bottom edge of the bottom plate of the gangue separating screen is provided with a long baffle, the utility model discloses a gangue coal separating screen bottom plate, including gangue coal separating screen bottom plate, a plurality of vent, a plurality of guide way are parallel to each other to the bottom plate distribution of gangue coal separating screen bottom plate, guide way for the direction of gangue coal separating screen bottom plate's long base slope with the hypotenuse of gangue coal separating screen bottom plate for the direction of gangue coal separating screen bottom plate's long base slope is unanimous, the guide way with the contained angle between the long base of gangue coal separating screen bottom plate is less than the contained angle between the hypotenuse of gangue coal separating screen bottom plate and the long base of gangue coal separating screen bottom plate, the middle part the length of guide way is greater than limit the length of guide way.

The long baffle is perpendicular to the bottom plate of the gangue separating screen.

The short baffle is perpendicular to the bottom plate of the gangue separating screen.

The included angle between the inclined baffle plate and the bottom plate of the gangue separating screen is 55 degrees.

The number of the vibration motors is two.

The two vibrating motors are fixedly connected with the inclined baffle plates through brackets respectively.

The included angle between the rotating shaft of each vibrating motor and the bottom plate of the gangue separating screen is 90 degrees, 69 degrees or 55 degrees.

The surface of the gangue coal separating screen is distributed with connection points.

The connection point is a hanging connection point. Or,

the connection point is a support connection point.

The hanging connection point is arranged on the top surface of the gangue coal separating screen.

The supporting connection point is arranged on the bottom surface of the gangue separating screen.

The hanging connection point is a hanging connection ring.

The bearing connection point is a guiding connection rod.

The number of the hanging connection points is four.

The four hanging connection points are distributed in a small right trapezoid. And/or the number of the groups of groups,

the number of the supporting connection points is four.

The four supporting connection points are distributed in a small right trapezoid shape. Or,

the number of the hanging connection points is two.

The number of the support connection points is two.

The projections of the two hanging connection points and the two supporting connection points on the horizontal plane are distributed in a small right trapezoid shape.

The two hanging connection points are positioned at two end points of the long bottom edge of the small right trapezoid.

The two support connection points are positioned at two end points of the short bottom side of the small right trapezoid.

The gangue coal separating screen sequentially comprises an air distribution plate, an elastic plate and a plurality of isolating bars from bottom to top.

The air distribution plate, the elastic plate and the isolation strips are fixedly connected.

The air distribution plate is made of steel plates.

The ventilation holes are distributed on the steel plate.

The elastic plate is a rubber plate.

The rubber plate is made of rubber.

The ventilation holes are distributed on the rubber plate.

The upper surface of the elastic plate is distributed with a plurality of zigzag strips.

A plurality of the zigzag-shaped bars are juxtaposed with each other.

The direction that the zigzag strip inclines relative to the long base of the elastic plate is consistent with the direction that the hypotenuse of the elastic plate inclines relative to the long base of the elastic plate, the included angle between the zigzag strip and the long base of the elastic plate is smaller than the included angle between the hypotenuse of the elastic plate and the long base of the elastic plate, the length of the zigzag strip in the middle is greater than that of the zigzag strip in the side part, and the tooth tip of the zigzag strip is close to the long base of the elastic plate and far away from the short base of the elastic plate. Or,

The zigzag strip is perpendicular to the long bottom edge of the elastic plate.

The cross section of the zigzag strip is right triangle.

A plurality of the isolating bars are made of angle steel.

The plurality of diversion channels are formed by the plurality of isolation strips.

A plurality of the isolating bars are parallel to each other.

The space between two adjacent isolating bars forms a diversion channel; the inclined direction of the plurality of isolation strips relative to the long bottom edge of the elastic plate is consistent with the inclined direction of the inclined edge of the elastic plate relative to the long bottom edge of the elastic plate, the included angle between the plurality of isolation strips and the long bottom edge of the elastic plate is smaller than the included angle between the inclined edge of the elastic plate and the long bottom edge of the elastic plate, and the length of the isolation strip at the middle part is larger than the length of the zigzag strip at the edge part;

the air distribution plate, the elastic plate and the isolation strips are respectively and correspondingly provided with fixing holes;

the air distribution plate, the elastic plate and the isolation strips are fixedly connected through bolts.

Compared with the prior art, the gangue coal separating screen has the following beneficial effects.

1. The technical proposal is that the shape of the bottom plate of the gangue separating screen is right trapezoid, the high side of the bottom plate of the gangue separating screen is provided with an inclined baffle, the inclined baffle and the bottom plate of the gangue separating screen form an acute angle, at least one vibrating motor is arranged outside the inclined baffle, the rotating shaft of the vibrating motor is perpendicular to the high side of the bottom plate of the gangue separating screen, the included angle between the rotating shaft of the vibrating motor and the bottom plate of the gangue separating screen is more than 0 DEG and less than or equal to 90 DEG, the rotating shaft of the vibrating motor rotates clockwise when seen from the upper end of the rotating shaft of the vibrating motor, the long bottom edge of the bottom plate of the gangue separating screen is provided with a long baffle, the short bottom edge of the bottom plate of the gangue separating screen is provided with a short baffle, the bottom plate of the gangue separating screen is distributed with a plurality of ventilation openings, the upper surface of the gangue-coal separation sieve bottom plate is distributed with a plurality of guide channels, the guide channels are parallel to each other, the direction of inclination of the guide channels relative to the long bottom edge of the gangue-coal separation sieve bottom plate is consistent with the direction of inclination of the inclined edge of the gangue-coal separation sieve bottom plate relative to the long bottom edge of the gangue-coal separation sieve bottom plate, the included angle between the guide channels and the long bottom edge of the gangue-coal separation sieve bottom plate is smaller than the included angle between the inclined edge of the gangue-coal separation sieve bottom plate and the long bottom edge of the gangue-coal separation sieve bottom plate, the length of the guide channels at the middle part is longer than the length of the guide channels at the side part, so the gangue-coal separation sieve can vibrate the gangue-coal separation sieve and separate and split gangue mixtures on the gangue-coal separation sieve in cooperation with wind blown up from a plurality of ventilation openings, and thus water resources are not needed, meanwhile, the separation of coal and gangue in the coal mine site can be realized.

2. According to the technical scheme, the long baffle is perpendicular to the bottom plate of the gangue coal separating screen; the short baffle is perpendicular to the bottom plate of the gangue separating screen; the short baffle is perpendicular to the bottom plate of the gangue separating screen; the long baffle is perpendicular to the bottom plate of the gangue separating screen; the inclined baffle plate and the bottom plate of the gangue separating screen have an included angle of 55 degrees, so that the gangue separating screen can be prevented from being jumped out of the high side of the bottom plate of the gangue separating screen more effectively.

3. The technical proposal adopts two vibration motors; the two vibrating motors are fixedly connected with the inclined baffle plates through brackets respectively; the included angle between the rotating shaft of each vibrating motor and the bottom plate of the gangue separating screen is 90 degrees, 69 degrees or 55 degrees, so that various gangue separating screens can be manufactured according to actual conditions.

4. According to the technical scheme, the technical means that the connecting points are distributed on the surface of the gangue separating screen is adopted, so that connection of the gangue separating screen is facilitated.

5. The technical proposal adopts the hanging connection point (which is beneficial to the flexibility of vibration) as the connection point is adopted; or the connecting point is a technical means for supporting the connecting point (which is beneficial to the stability of vibration), so that various gangue separating screens can be manufactured according to the requirements and actual conditions of different clients.

6. According to the technical scheme, the hanging connection point is arranged on the top surface of the gangue coal separating screen; the supporting connection point is arranged on the bottom surface of the gangue separating screen; the hanging connection point is a hanging connection ring; the supporting connection point is a guiding connection rod; four hanging connection points are arranged; the four hanging connection points are distributed in a small right trapezoid shape; and/or, the support connection points are four; the four supporting connection points are distributed in a small right trapezoid shape; or two hanging connection points are arranged; two support connection points are arranged; the projections of the two hanging connection points and the two supporting connection points on the horizontal plane are distributed in a small right trapezoid shape; the two hanging connection points are positioned at two end points of the long bottom edge of the small right trapezoid; the two supporting connection points are positioned at the two end points of the short bottom edge of the small right trapezoid, so that various gangue separating screens can be manufactured according to the requirements of different clients.

7. According to the technical scheme, the gangue coal separating screen comprises an air distribution plate, an elastic plate and a plurality of isolating bars from bottom to top; the air distribution plate, the elastic plate and the plurality of isolation strips are fixedly connected, so that air supply is facilitated, separation of gangue and coal mixtures is facilitated, and meanwhile, split flow of separated gangue and coal is facilitated.

8. The technical proposal adopts that the air distribution plate is made of steel plates; the ventilation holes are distributed on the steel plate by using a technical means, so that the structure is simple and the processing treatment is facilitated.

9. The elastic plate is a rubber plate; the rubber plate is made of rubber; the ventilation holes are distributed on the rubber plate; the upper surface of the elastic plate is distributed with a plurality of zigzag strips; a plurality of zigzag strips are mutually juxtaposed; the inclined direction of the zigzag strip relative to the long bottom edge of the elastic plate is consistent with the inclined direction of the inclined edge of the elastic plate relative to the long bottom edge of the elastic plate, the included angle between the zigzag strip and the long bottom edge of the elastic plate is smaller than the included angle between the inclined edge of the elastic plate and the long bottom edge of the elastic plate, the length of the zigzag strip in the middle part is larger than that of the zigzag strip at the edge part, and the tooth tip of the zigzag strip is close to the long bottom edge of the elastic plate and far away from the short bottom edge of the elastic plate; alternatively, the zigzag strip is perpendicular to the long bottom edge of the elastic plate; the cross section of the zigzag strip is right triangle, so the elasticity of the gangue coal separating screen can be greatly improved.

10. According to the technical scheme, the plurality of isolation strips are made of angle steel; the plurality of diversion channels are formed by a plurality of isolation strips; a plurality of the isolating bars are parallel to each other; the space between two adjacent isolating bars forms a diversion channel; the inclined direction of the plurality of isolation strips relative to the long bottom edge of the elastic plate is consistent with the inclined direction of the inclined edge of the elastic plate relative to the long bottom edge of the elastic plate, the included angle between the plurality of isolation strips and the long bottom edge of the elastic plate is smaller than the included angle between the inclined edge of the elastic plate and the long bottom edge of the elastic plate, and the length of the isolation strip at the middle part is larger than the length of the zigzag strip at the edge part; the air distribution plate, the elastic plate and the isolation strips are respectively and correspondingly provided with fixing holes; the air distribution plate, the elastic plate and the isolation strips are fixedly connected through bolts, so that split gangue and coal are split.

In terms of the sorting section, in order to solve the second technical problem described above, the present invention provides a gangue sorting section including a gangue separating sieve as described above.

The gangue coal separating screen is connected with the upper beam frame sequentially through a lifting rope, a lifting rod and an elastic connecting part. And/or the gangue separating screen is connected with the frame part through an elastic supporting part.

The lower end of the lifting rope is connected with the gangue separating screen.

The upper end of the lifting rope is connected with the lower end of the lifting rod.

The top surface of upper beam frame is provided with the shoulder hole.

The elastic connecting component comprises a spring, a gasket and two nuts.

The spring is placed in the stepped hole of the upper beam frame.

The upper end of the suspender passes through the stepped hole and the spring hole of the upper beam frame from bottom to top.

The upper end of the suspender is provided with threads.

The washer and the two nuts are fixed at the upper end of the suspender.

The elastic support member includes a support spring.

The supporting spring is positioned between the gangue separating screen and the lower beam frame.

And the top surface of the lower beam frame is provided with a guide hole.

The number of the lifting ropes is four, the number of the lifting rods is four, and the number of the elastic connecting parts is four. And/or the elastic supporting parts are four. Or,

the number of the lifting ropes is two, the number of the lifting rods is two, the number of the elastic connecting parts is two, and the number of the elastic supporting parts is two.

The gangue coal separating screen bottom plate has four corners.

The vertexes of the four angles are a first vertex, a second vertex, a third vertex and a fourth vertex respectively.

The first vertex, the second vertex, the third vertex and the fourth vertex are positioned in the same plane.

The gangue separating screen is characterized in that after hanging and/or supporting, the first peak is highest, and the third peak and/or the fourth peak is lowest.

The included angle between the bottom plate of the gangue coal separating screen and the horizontal plane is more than 0 degrees and less than or equal to 10 degrees.

The included angle between the bottom plate of the gangue coal separating screen and the horizontal plane is equal to 6 degrees.

Compared with the prior art, the gangue coal sorting part has the following beneficial effects.

1. According to the technical scheme, the gangue separation part comprises the technical means of the gangue separation sieve, so that the gangue separation part can vibrate the gangue separation sieve to match with wind blown up from a plurality of ventilation openings to separate and split gangue mixtures on the gangue separation sieve, coal and gangue can be separated without water resources, and meanwhile, the coal and the gangue can be separated on a coal mine site.

2. According to the technical scheme, the gangue coal separating screen is connected with the upper beam frame through the lifting rope, the lifting rod and the elastic connecting component in sequence. And/or the gangue separating screen is connected with the frame part through an elastic supporting part, so that a plurality of gangue separating parts can be manufactured according to the requirements of different clients.

3. The technical proposal adopts the connection of the lower end of the lifting rope and the gangue separating screen; the upper end of the lifting rope is connected with the lower end of the lifting rod; the top surface of the upper beam frame is provided with a stepped hole; the elastic connecting part comprises a spring, a gasket and two nuts; the spring is arranged in the stepped hole of the upper beam frame; the upper end of the suspender passes through the stepped hole and the spring hole of the upper beam frame from bottom to top; the upper end part of the suspender is provided with threads; the washer and the two nuts are fixed on the suspender; the elastic supporting member includes a supporting spring; the supporting spring is positioned between the gangue separating screen and the lower beam frame; the top surface of the lower beam frame is provided with a guide hole; the number of the lifting ropes is four, the number of the lifting rods is four, and the number of the elastic connecting parts is four; and/or the elastic supporting component has four; or the two lifting ropes, the two lifting rods, the two elastic connecting parts and the two elastic supporting parts are adopted, so that the inclination direction of the gangue coal separating screen is adjusted, and the amplitude of the gangue coal separating screen is increased.

4. According to the technical scheme, after hanging and/or supporting the gangue separating screen, the first peak is highest, and the third peak and/or the fourth peak is lowest; the gangue coal separating screen comprises a bottom plate, a horizontal plane and a gangue coal separating screen, wherein the bottom plate is provided with an included angle of more than 0 degrees and less than or equal to 10 degrees, and the gangue coal separating screen is beneficial to separating gangue from coal.

5. According to the technical scheme, the technical means that the included angle between the bottom plate of the gangue coal separating screen and the horizontal plane is 6 degrees is adopted, so that the gangue coal separating screen has the best separating effect, and the separating effect is proved by long-term practice.

In order to solve the third technical problem, the invention provides a coal purification gangue removal machine, which comprises a gangue coal separation part, a frame part, a feeding part, a discharging part, an air supply part and a dust removal part.

The frame part comprises a frame body, wheels, a cover body, a hydraulic support column, a towing point, a distribution box and a tool box.

The frame body comprises a front frame body and a rear frame body.

The front housing body is higher than the rear housing body.

The rear side of the front frame body is fixedly connected with the front side of the rear frame body through a plurality of support columns.

And reinforcing ribs are arranged between the front frame body and the support columns.

And reinforcing ribs are arranged between the rear frame body and the support columns.

The wheels are two or four.

The two wheels are respectively arranged on the left side and the right side of the rear frame body and are positioned at the rear part of the middle part of the rear frame body in the front-rear direction.

The four wheels are equally divided into two groups.

The two groups of wheels are respectively arranged on the left side and the right side of the rear frame body and are positioned at the rear part of the middle part of the rear frame body in the front-rear direction.

A cover body is arranged on the frame body.

The shape of the cover body is cuboid.

A door is arranged in front of the cover body. And/or a door is arranged at the rear of the cover body. And/or a door is arranged on the left side of the cover body. And/or a door is arranged on the right side of the cover body. And/or the top surface of the cover body is provided with a door.

The upper part of the front face of the cover body is provided with a feed inlet.

The distribution box and the tool box are located in the cover body.

The distribution box and the tool box are positioned on the left side of the middle part or the right side of the middle part of the rear rack body.

The gangue coal sorting part, the frame part, the feeding part, the discharging part, the air supply part and the dust removing part are positioned in the cover body.

The hydraulic support columns are four.

The four hydraulic support columns are distributed at the bottom of the rear frame body.

The four hydraulic support columns are distributed in a rectangular shape.

The pulling point is arranged on the middle bottom surface of the front side of the front frame body.

The shape of the pulling point is cylindrical.

The gangue separation part is positioned at the front part of the rear frame body.

The long bottom edge of the gangue separating screen bottom plate faces forward.

The short bottom edge of the gangue separating screen bottom plate faces backwards.

The feeding part is positioned on the front frame body.

The feeding part comprises a material bin, a belt conveyor and a supporting frame.

The belt conveyor is a weighing belt conveyor.

The material bin is in a rectangular pyramid funnel shape.

The material bin is fixedly connected with the front frame body through the supporting frame.

The feed inlet of the material bin corresponds to the feed inlet at the upper part of the front surface of the cover body.

The discharge gate of material storehouse offset in the left side of preceding frame body.

The feed inlet of the belt conveyor corresponds to the discharge outlet of the material bin.

And a discharge hole of the belt conveyor is positioned at the left upper part of the front side of the gangue separating screen.

The discharging part is arranged below the bevel edge of the gangue separating screen.

The discharging part comprises a first discharging box, a second discharging box and a third discharging box.

The first discharging box, the second discharging box and the third discharging box are sequentially arranged from the front end to the rear end of the bevel edge of the gangue separating screen.

The first discharge box is a fine coal discharge box.

The second discharge box is a coarse coal discharge box.

The third discharging box is a gangue discharging box.

The air supply part comprises an air blower.

The air outlet of the air blower is communicated with the air inlets of the air boxes in a sealing way through the front air delivery duct.

And air inlets of the air boxes are provided with air door baffles.

The rear part of the front air delivery duct is connected with a heater in series in a sealing way.

The air inlet and the air outlet of the heater are respectively communicated with the rear part of the front air delivery duct in a sealing way through high-temperature-resistant connecting parts.

The front part of the front air delivery duct is provided with a side-blowing branch air delivery duct and a plurality of upper-blowing branch air delivery ducts.

The upper blowing branch air delivery channels are respectively communicated with the air inlets of the air boxes in a sealing manner through the soft connecting parts.

The side wall of the side blowing branch air delivery duct is provided with a plurality of air outlets along the length direction.

And a plurality of air outlets are formed in the inclined baffle plate of the gangue coal separating screen along the length direction.

And a plurality of air outlets of the inclined baffle plate of the gangue coal separating screen are respectively communicated with a plurality of air outlets on the inclined baffle plate of the gangue coal separating screen in a sealing way through a plurality of hoses.

An air outlet of the side-blowing branch air delivery duct is provided with an air outlet baffle.

The air boxes are distributed on the bottom surface of the gangue coal separating screen.

The air outlets of the air boxes are arranged in rows and columns in parallel and distributed on the bottom surface of the gangue coal separating screen.

And the air outlets of the air boxes are communicated with the ventilation openings on the bottom surface of the gangue separating screen in a sealing way.

And angle steel is welded at the air outlet of the air box in a sealing way along the circumferential direction.

The horizontal plate of angle steel is located in the air outlet of bellows.

Fixing holes are correspondingly formed between the horizontal plates of the angle steel and the bottom plate of the gangue separating screen.

And sealant is coated between the horizontal plate of the angle steel and the bottom plate of the gangue separating screen.

The horizontal plate of the angle steel is fixedly connected with the bottom plate of the gangue separating screen in a sealing manner through bolts.

The bellows is in the shape of a rectangular pyramid funnel.

The shape of the air outlet of the air box is rectangular or trapezoidal.

The shape of the air inlet of the bellows is round.

A honeycomb baffle is arranged in the air inlet of the bellows.

The air inlet of the air feeder is communicated with the air outlet of the rear air delivery duct in a sealing way.

The dust removing part comprises a dust remover.

A cyclone separator is arranged in the dust remover.

The cyclone separator is conical in shape.

The air inlet of the dust remover is communicated with the air outlet of the dust removing air duct in a sealing way.

The air inlet of the dust removal air duct is communicated with the air outlet of the dust removal cover in a sealing way.

The dust hood is positioned above the gangue separating screen.

The number of the dust collectors is two.

The two dust collectors are juxtaposed.

The air inlets of the two dust collectors are respectively communicated with the two air outlets of the dust collection air duct in a sealing way.

The air outlets of the two dust collectors are respectively communicated with the two air inlets of the air collecting bellows in a sealing way through the two air collecting channels.

The gas collecting bellows are located above the two dust collectors.

And the air outlet of the air collecting bellows is communicated with the air inlet of the rear air delivery duct in a sealing way.

The ash outlet of the dust remover is communicated with the ash inlet of the ash removing hopper in a sealing way.

The ash outlet of the ash removing hopper is communicated with the ash inlet of the electric ash discharging port in a sealing way.

Compared with the prior art, the coal purification gangue removal machine has the following beneficial effects.

1. According to the technical scheme, the waste rock coal separating machine adopts the technical means comprising the waste rock coal separating part, the frame part, the feeding part, the discharging part, the air supply part and the dust removing part, so that the waste rock coal purifying and removing machine can vibrate the waste rock coal separating screen to separate and split waste rock coal mixtures on the waste rock coal separating screen in cooperation with wind blown up from a plurality of ventilation openings, coal and waste rock can be separated without water resources, and meanwhile, the coal and the waste rock can be separated on a coal mine site.

2. The technical scheme is that the frame part comprises a frame body, wheels, a cover body, a hydraulic support column, a traction point, a distribution box and a tool box, so that the installation of a gangue separating part, a frame part, a feeding part, a discharging part, an air supplying part and a dust removing part of the coal purification and gangue removal machine is facilitated, the transportation of the coal purification and gangue removal machine is facilitated, the power-on operation of the coal purification and gangue removal machine is facilitated, and the loading, unloading and maintenance of the coal purification and gangue removal machine are facilitated.

3. The technical proposal adopts the technical proposal that the frame body comprises a front frame body and a rear frame body; the front frame body is higher than the rear frame body; the rear side of the front frame body is fixedly connected with the front side of the rear frame body through a plurality of support columns; reinforcing ribs are arranged between the front frame body and the support columns; the technical means of the reinforcing ribs are arranged between the rear frame body and the support columns, so that the gravity center of the coal purification and gangue removal machine is reduced, and the traction head is connected with the coal purification and gangue removal machine in a hanging mode.

4. The technical proposal adopts two or four wheels; the two wheels are respectively arranged at the left side and the right side of the rear frame body and are positioned at the rear part of the middle part of the rear frame body in the front-rear direction; the four wheels are equally divided into two groups; the two groups of wheels are respectively arranged on the left side and the right side of the rear frame body and positioned at the middle part of the rear frame body in the front-rear direction, so that the balanced stress of the rear frame body is facilitated.

5. The technical proposal is that the cover body is arranged on the frame body; the shape of the cover body is cuboid; a door is arranged in front of the cover body. And/or a door is arranged at the rear of the cover body. And/or a door is arranged on the left side of the cover body. And/or a door is arranged on the right side of the cover body. And/or the top surface of the cover body is provided with a door; the upper part of the front surface of the cover body is provided with a feed inlet; the distribution box and the tool box are positioned in the cover body; the distribution box and the tool box are positioned on the left side of the middle part or the right side of the middle part of the rear rack body; the gangue coal sorting part, the frame part, the feeding part, the discharging part, the air supply part and the dust removing part are located in the cover body, so that the air pollution is reduced, the gangue coal sorting part, the frame part, the feeding part, the discharging part, the air supply part, the dust removing part, the distribution box and the tool box are protected, and meanwhile, the operation of workers is facilitated.

6. The technical proposal adopts four hydraulic support columns; the four hydraulic support columns are distributed at the bottom of the rear frame body; the four hydraulic support columns are distributed in a rectangular shape; the traction point is arranged on the bottom surface of the middle part of the front side of the front frame body; the shape of the pulling point is cylindrical, so that the steering of the traction head is facilitated.

7. According to the technical scheme, the gangue coal sorting part is positioned at the front part of the rear frame body; the long bottom edge of the gangue separating screen bottom plate faces forward; the technical means that the short bottom edge of the gangue separating sieve bottom plate is backwards is beneficial to the integral design of the gangue removing machine for coal purification. The method comprises the steps of carrying out a first treatment on the surface of the

8. According to the technical scheme, the feeding part is arranged on the front frame body; the feeding part comprises a material bin, a belt conveyor and a supporting frame; the belt conveyor is a weighing belt conveyor; the material bin is in a rectangular pyramid funnel shape; the material bin is fixedly connected with the front frame body through the supporting frame; the feed inlet of the material bin corresponds to the feed inlet at the upper part of the front surface of the cover body; the discharge hole of the material bin is offset to the left side of the front frame body; the feed inlet of the belt conveyor corresponds to the discharge outlet of the material bin; the discharging hole of the belt conveyor is positioned at the left upper part of the front side of the gangue separating screen, so that the smooth conveying of the gangue mixture is facilitated.

9. According to the technical scheme, the discharging part is arranged below the bevel edge of the gangue separating screen; the discharging part comprises a first discharging box, a second discharging box and a third discharging box; the first discharging box, the second discharging box and the third discharging box are sequentially arranged from the front end to the rear end of the bevel edge of the gangue separating screen; the first discharging box is a fine coal discharging box; the second discharging box is a coarse coal discharging box; the third discharging box is a technical means of the gangue discharging box, so that the coal classifying and collecting device is beneficial to classifying and collecting coal.

10. The technical proposal adopts the air supply part comprising an air blower; the air outlet of the air blower is communicated with the air inlets of the air boxes in a sealing way through the front air delivery duct; the air inlets of the air boxes are provided with air door baffles; the rear part of the front air delivery duct is connected with a heater in series in a sealing way; the air inlet and the air outlet of the heater are respectively communicated with the rear part of the front air delivery duct in a sealing way through high-temperature-resistant connecting parts; a side blowing branch air delivery duct and a plurality of upper blowing branch air delivery ducts are distributed at the front part of the front air delivery duct; the upper blowing branch air delivery channels are respectively communicated with air inlets of the air boxes in a sealing way through a plurality of soft connecting parts; a plurality of air outlets of the side-blowing branch air delivery duct are distributed along the length direction of the inclined baffle plate of the gangue coal separating screen; the air outlets of the side-blowing branch air delivery duct are positioned above the inclined baffle plate of the gangue coal separating screen; the axes of a plurality of air outlets of the side-blowing branch air delivery duct are in the same horizontal plane; a plurality of air outlets of the side-blowing branch air delivery duct face to the position right above the gangue coal separating screen; an air outlet baffle is arranged at the air outlet of the side-blowing branch air delivery duct; the air boxes are distributed on the bottom surface of the gangue coal separating screen; the air outlets of the air boxes are arranged on the bottom surface of the gangue coal separating screen in parallel; the air outlets of the air boxes are communicated with the bottom ventilation openings of the gangue separating screen in a sealing way; the air outlet of the air box is welded with angle steel in a sealing way along the circumferential direction; the horizontal plate of the angle steel is positioned in the air outlet of the air box; a fixing hole is correspondingly arranged between the horizontal plate of the angle steel and the bottom plate of the gangue separating screen; a sealant is coated between the horizontal plate of the angle steel and the bottom plate of the gangue separating screen; the horizontal plate of the angle steel is fixedly connected with the bottom plate of the gangue separating screen in a sealing manner through bolts; the shape of the bellows is a rectangular pyramid funnel; the shape of the air outlet of the air box is rectangular or trapezoidal; the shape of the air inlet of the air box is circular; a honeycomb baffle is arranged in the air inlet of the air box; the air inlet of the air feeder is communicated with the air outlet of the rear air delivery duct in a sealing way, so that the sealing performance of the gangue coal separating screen and the air box is improved, the air supply efficiency is improved, the gangue coal mixture is separated efficiently, the gangue coal mixture is dried, and coal and gangue are prevented from falling into the front air delivery duct.

11. The technical proposal adopts that the dust removing part comprises a dust remover; a cyclone separator is arranged in the dust remover; the cyclone separator is conical in shape; the air inlet of the dust remover is communicated with the air outlet of the dust removing air duct in a sealing way; the air inlet of the dust removal air duct is communicated with the air outlet of the dust removal cover in a sealing way; the dust hood is positioned above the gangue coal separating screen; the number of the dust collectors is two; the two dust collectors are juxtaposed; the air inlets of the two dust collectors are respectively communicated with the two air outlets of the dust collection air duct in a sealing way; the air outlets of the two dust collectors are respectively communicated with the two air inlets of the air collecting bellows in a sealing way through two air collecting channels; the gas collecting bellows are positioned above the two dust collectors; the air outlet of the air collecting bellows is communicated with the air inlet of the rear air delivery duct in a sealing way; the ash outlet of the dust remover is communicated with the ash inlet of the ash removing hopper in a sealing way; the ash outlet of the ash removing hopper is communicated with the ash inlet of the electric ash discharging port in a sealing way, so that air supply and dust removal can be realized by only one air feeder, and meanwhile, the dust removal efficiency is greatly improved, and the manufacturing cost of the coal purification and gangue removal machine is greatly saved.

Drawings

The gangue separating sieve, the gangue separating part and the coal purifying and gangue removing machine of the invention are further described in detail below with reference to the accompanying drawings and the specific embodiments.

FIG. 1 is a right-side view structure schematic diagram of the coal purification gangue removal machine.

Fig. 2 is a schematic diagram of a left-hand structure of the coal purification and gangue removal machine of the invention.

Fig. 3 is a schematic diagram of a rear view structure of the coal purification and gangue removal machine of the invention.

Fig. 4 is a schematic top view of the coal purification and gangue removal machine.

Fig. 5 is a schematic view of the C-direction structure in fig. 1.

Fig. 5a is an enlarged schematic view of the side-blown air duct in fig. 5.

Fig. 6 is a schematic structural view of the blower and dust removing parts in fig. 1.

Fig. 7 is a schematic diagram of a front view structure of a gangue coal separating screen (when hung) in the coal purifying and gangue removing machine.

Fig. 8 is a schematic diagram of a right-side view structure of a gangue-coal separating screen (when hung) in the coal purification and gangue removal machine.

Fig. 9 is a schematic diagram of a top view structure of a gangue coal separating screen (when hung) in the coal purification and gangue removal machine.

FIG. 10 is a schematic structural view of a gangue coal separating screen bottom plate in the coal purifying and gangue removing machine.

FIG. 11 is a schematic top view of a grid plate in a gangue separator screen of the coal purification and gangue removal machine of the invention.

Fig. 12 is a schematic top view of a first elastic plate in a gangue separator screen of the coal purification and gangue removal machine according to the present invention.

Fig. 13 is a schematic view of the structure of the direction a in fig. 12.

Fig. 14 is a schematic top view of a second elastic plate in a gangue separator screen of the coal purification and gangue removal machine according to the present invention.

Fig. 15 is a schematic view of the B-direction structure in fig. 14.

Fig. 16 is a schematic top view of the distribution of the separation bars in the gangue separator screen of the coal purification and gangue removal machine of the invention.

FIG. 17 is a schematic diagram of a top view of the distribution of the wind boxes in the coal purification and gangue removal machine of the invention.

FIG. 18 is a schematic side view of the bellows of FIG. 17.

Reference numerals are explained as follows.

1 to a frame part; 1-1 to a frame body; 1-1 to a front frame body; 1-1-2 parts of a rear frame body; 1-1-3 to support columns; 1-1-4 to reinforcing ribs; 1-2 to wheels; 1-3 to a cover body; 1-3-1 to a feed inlet; 1-4 to hydraulic support columns; 1-5 to a pulling point; 1-6 to a distribution box; 1-7 to a tool box; 2 to a feeding part; 2-1 to a material bin; 2-2 to a belt conveyor; 2-3 to a supporting frame; 3 to gangue separation parts; 3-1 to gangue separating screen; 3-1 to 1 air distribution plate; 3-1-2 to an elastic plate; 3-1-3 to 3 isolating strips; 3-1-4-angle; 3-1-4-1 to a first vertex; 3-1-4-2 to a second vertex; 3-1-4-3 to a third vertex; 3-1-4-4 to a fourth vertex; 3-1-5 inclined baffles; 3-1-6 long baffles; 3-1-7 short baffles; 3-1-8 brackets; 3-1-9 vibration motors; 3-1-10 gangue auxiliary outlets; 3-2 to a lifting rope; 3-3 to boom; 3-4 to elastic connecting parts; 3-5 to upper beam frame; 4-a discharging part; 4-1 to a first discharging box; 4-2 to a second discharging box; 4-3 to a third discharging box; 5-air supply part; 5-1 to a blower; 5-2 to bellows; 5-2-1 to an air door baffle; 5-2-angle steel; 5-3 to a front air delivery duct; 5-3-1 to a flexible connecting part; 5-3-2 to an upward blowing branch air delivery duct; 5-3-3 to side blowing branch air delivery duct; 5-3-4 to an air outlet baffle; 5-3-5-hose; 5-4 to a heater; 5-4-1 to high temperature resistant connecting parts; 5-5 parts of a rear air delivery duct; 6 to a dust removing part; 6-1 to a dust remover; 6-2 to cyclone separator; 6-3 to dust hood; 6-4 to ash removal hopper; 6-5 to an electric ash discharge port; 6-6 to gas-collecting bellows; 6-7 to gas collection air duct; 6-8 to dust removal air duct.

Detailed Description

As shown in fig. 7 to 9, the shape of the bottom plate of the gangue-coal separation sieve 3-1 is a right trapezoid, the high side of the bottom plate of the gangue-coal separation sieve 3-1 is provided with an inclined baffle plate 3-1-5, the inclined baffle plate 3-1-5 and the bottom plate of the gangue-coal separation sieve 3-1 form an acute angle, at least one vibrating motor 3-1-9 is arranged outside the inclined baffle plate 3-1-5, the rotating shaft of the vibrating motor 3-1-9 is perpendicular to the high side of the bottom plate of the gangue-coal separation sieve 3-1, the inclined angle between the rotating shaft of the vibrating motor 3-1-9 and the bottom plate of the gangue-coal separation sieve 3-1 is larger than 0 DEG and smaller than or equal to 90 DEG, the rotating shaft of the vibrating motor 3-1-9 rotates along time when seen from the upper end of the rotating shaft of the vibrating motor 3-1-9, the long bottom plate of the gangue-coal separation sieve 3-1 is provided with a long baffle plate 3-1-9, the small bottom plate 3-1 is arranged, the small bottom plate 3-1 is inclined relative to the bottom plate of the gangue-coal separation sieve 3-1, the small bottom plate is provided with a plurality of inclined channels which are parallel to the long bottom plate 3-1 and the bottom plate of the gangue-coal separation sieve, the small bottom plate is provided with multiple inclined channels which are parallel to the long bottom plates 3-1 and the bottom plate 1 and are distributed on the bottom plate 3 and are parallel to each other, the included angle between the guide channel and the long bottom edge of the bottom plate of the gangue separating screen 3-1 is smaller than the included angle between the inclined edge of the bottom plate of the gangue separating screen 3-1 and the long bottom edge of the bottom plate of the gangue separating screen 3-1, and the length of the guide channel in the middle is larger than that of the guide channel in the side.

Various modifications of the present embodiment are described in detail below.

As shown in fig. 7 to 9, the long baffle 3-1-6 is perpendicular to the bottom plate of the gangue separating screen 3-1.

The short baffle plates 3-1-7 are perpendicular to the bottom plate of the gangue separating screen 3-1.

And a gangue auxiliary outlet 3-1-10 is arranged on the bottom plate of the gangue separating screen 3-1 and close to the short baffle 3-1-7.

The included angle between the inclined baffle plate 3-1-5 and the bottom plate of the gangue separating screen 3-1 is 55 degrees.

There are two vibration motors 3-1-9.

The two vibrating motors 3-1-9 are fixedly connected with the inclined baffle plates 3-1-5 through brackets 3-1-8 respectively.

The included angle between the rotation axis of each vibration motor 3-1-9 and the bottom plate of the gangue separating screen 3-1 is 90 DEG or 69 DEG or 60 deg.

The surface of the gangue separating screen 3-1 is distributed with connection points.

The connection point is a hanging connection point. Or,

the connection point is a support connection point.

The hanging connection point is arranged on the top surface of the gangue separating screen 3-1.

The supporting connection point is arranged on the bottom surface of the gangue separating screen 3-1.

The hanging connection point is a hanging connection ring.

The bearing connection point is a guiding connection rod.

The number of the hanging connection points is four.

The number of the supporting connection points is four.

the number of the hanging connection points is two.

The number of the support connection points is two.

As shown in FIG. 10, the gangue separating screen 3-1 comprises an air distribution plate 3-1-1, an elastic plate 3-1-2 and a plurality of isolating bars 3-1-3 from bottom to top.

The air distribution plate 3-1-1, the elastic plate 3-1-2 and the plurality of isolation strips 3-1-3 are fixedly connected.

As shown in FIG. 11, the air distribution plate 3-1-1 is made of a steel plate.

The ventilation holes are distributed on the steel plate.

As shown in fig. 12 to 15, the elastic plate 3-1-2 is a rubber plate.

The rubber plate is made of rubber.

The ventilation holes are distributed on the rubber plate.

The upper surface of the elastic plate 3-1-2 is distributed with a plurality of zigzag strips.

A plurality of the zigzag-shaped bars are juxtaposed with each other.

As shown in fig. 12 to 13, the direction in which the zigzag bar is inclined with respect to the long bottom edge of the elastic plate 3-1-2 coincides with the direction in which the oblique edge of the elastic plate 3-1-2 is inclined with respect to the long bottom edge of the elastic plate 3-1-2, the angle between the zigzag bar and the long bottom edge of the elastic plate 3-1-2 is smaller than the angle between the oblique edge of the elastic plate 3-1-2 and the long bottom edge of the elastic plate 3-1-2, the length of the zigzag bar in the middle is greater than the length of the zigzag bar in the edge portion, and the tooth tip of the zigzag bar is close to the long bottom edge of the elastic plate 3-1-2 and far from the short bottom edge of the elastic plate 3-1-2.

Of course, the zigzag bar may be perpendicular to the long bottom edge of the elastic plate 3-1-2 as shown in fig. 12 to 13.

As shown in fig. 16, the cross-sectional shape of the zigzag bar is a right triangle.

A plurality of the isolating bars 3-1-3 are made of angle steel.

The plurality of diversion channels are formed by the plurality of isolation strips 3-1-3.

A plurality of the barrier ribs 3-1-3 are parallel to each other.

The space between two adjacent isolating bars 3-1-3 forms a diversion channel; the direction of inclination of the plurality of isolation strips 3-1-3 relative to the long bottom edge of the elastic plate 3-1-2 is consistent with the direction of inclination of the hypotenuse of the elastic plate 3-1-2 relative to the long bottom edge of the elastic plate 3-1-2, the included angle between the plurality of isolation strips 3-1-3 and the long bottom edge of the elastic plate 3-1-2 is smaller than the included angle between the hypotenuse of the elastic plate 3-1-2 and the long bottom edge of the elastic plate 3-1-2, and the length of the isolation strip 3-1-3 at the middle part is longer than the length of the zigzag strip at the side part;

the air distribution plate 3-1-1, the elastic plate 3-1-2 and the isolating strips 3-1-3 are respectively and correspondingly provided with fixing holes;

the air distribution plate 3-1-1, the elastic plate 3-1-2 and the isolation strips 3-1-3 are fixedly connected through bolts.

As shown in FIG. 10, the air distribution plate 3-1-1, the elastic plate 3-1-2, the guide plate 3-1-3 and the isolation strip 3-1-3-1 are fixedly connected through bolts.

As shown in fig. 5, the present embodiment provides a gangue sorting section, and the gangue sorting section 3 includes the gangue separating sieve 3-1 as described above.

Various modifications of the present embodiment are described in detail below.

As shown in FIG. 5, the gangue separating screen 3-1 is connected with the upper beam frame 3-5 through a lifting rope 3-2, a lifting rod 3-3 and an elastic connecting part 3-4 in sequence. Of course, the gangue separating screen 3-1 may be connected to the frame part 1 via an elastic support member.

The lower end of the lifting rope 3-2 is connected with the gangue separating screen 3-1.

The upper end of the lifting rope 3-2 is connected with the lower end of the lifting rod 3-3.

The top surface of the upper beam frame 3-5 is provided with a stepped hole.

The upper beam frame 3-5 is made of channel steel.

And holes are formed in the inner bottom surface of the channel steel.

And a steel pipe is welded on the inner bottom surface of the channel steel.

The steel tube is coaxial with the bore.

The steel pipe and the hole form the stepped hole.

The elastic connection part 3-4 comprises a spring, a washer and two nuts.

The spring is placed in the stepped hole of the upper beam frame 3-5.

The upper end of the suspender 3-3 passes through the stepped hole and the spring hole of the upper beam frame 3-5 from bottom to top.

The upper end of the boom 3-3 is provided with threads.

The washer and the two nuts are fixed to the upper end of the boom 3-3.

The elastic support member includes a support spring.

The supporting spring is positioned between the gangue separating screen 3-1 and the lower beam frame.

And the top surface of the lower beam frame is provided with a guide hole.

The number of the lifting ropes 3-2 is four, the number of the lifting rods 3-3 is four, and the number of the elastic connecting parts 3-4 is four.

Of course, there may be four elastic support members.

Of course, there may be two suspension ropes 3-2, two suspension rods 3-3, two elastic connection members 3-4, and two elastic support members.

As shown in fig. 7 to 9, the bottom plate of the gangue separating sieve 3-1 has four corners 3-1-4.

The vertexes of the four angles 3-1-4 are a first vertex 3-1-4-1, a second vertex 3-1-4-2, a third vertex 3-1-4-3, and a fourth vertex 3-1-4-4, respectively.

The first vertexes 3-1-4-1, the second vertexes 3-1-4-2, the third vertexes 3-1-4-3 and the fourth vertexes 3-1-4-4 are positioned in the same plane.

After hanging and/or supporting, the gangue separating screen 3-1 has the highest first vertex 3-1-4-1, and the lowest third vertex 3-1-4-3 and/or the lowest fourth vertex 3-1-4-4;

The included angle between the bottom plate of the gangue separating screen 3-1 and the horizontal plane is more than 0 degrees and less than or equal to 10 degrees;

the included angle between the bottom plate of the gangue separating screen 3-1 and the horizontal plane is equal to 6 degrees.

As shown in fig. 1 to 18, the present embodiment provides a coal purification and gangue removal machine, which includes the gangue coal separation section, the frame section 1, the feeding section 2, the discharging section 4, the air supply section 5, and the dust removal section 6.

Various modifications of the present embodiment are described in detail below.

As shown in fig. 1 to 4, the frame part 1 comprises a frame body 1-1, wheels 1-2, a cover body 1-3, a hydraulic support column 1-4, a pulling point 1-5, a distribution box 1-6 and a tool box 1-7.

The frame body 1-1 comprises a front frame body 1-1-1 and a rear frame body 1-1-2.

The front frame body 1-1-1 is higher than the rear frame body 1-1-2.

The rear side of the front frame body 1-1-1 is fixedly connected with the front side of the rear frame body 1-1-2 through a plurality of support columns 1-1-3.

Reinforcing ribs 1-1-4 are arranged between the front frame body 1-1-1 and the support columns 1-1-3.

Reinforcing ribs 1-1-4 are arranged between the rear frame body 1-1-2 and the support columns 1-1-3.

The wheels 1-2 have two or four wheels.

The two wheels 1-2 are respectively arranged at the left side and the right side of the rear frame body 1-1-2 and are positioned at the rear part of the middle part of the rear frame body 1-1-2 in the front-rear direction.

Four of the wheels 1-2 are equally divided into two groups.

The two groups of wheels 1-2 are respectively arranged at the left side and the right side of the rear frame body 1-1-2 and are positioned at the rear part of the middle part of the rear frame body 1-1-2 in the front-rear direction.

The upper surface of the frame body 1-1 is provided with a cover body 1-3.

The shape of the cover body 1-3 is cuboid.

A door is arranged in front of the cover body 1-3. And/or a door is arranged at the rear of the cover body 1-3. And/or the left side of the cover body 1-3 is provided with a door. And/or the right side of the cover body 1-3 is provided with a door. And/or the top surface of the cover body 1-3 is provided with a door.

The upper part of the front face of the cover body 1-3 is provided with a feed inlet 1-3-1.

The distribution box 1-6 and the tool box 1-7 are positioned in the cover body 1-3.

The distribution box 1-6 and the tool box 1-7 are positioned on the left side of the middle part or the right side of the middle part of the rear frame body 1-1-2.

The gangue coal sorting part, the frame part 1, the feeding part 2, the discharging part 4, the air supply part 5 and the dust removing part 6 are positioned in the cover body 1-3.

The hydraulic support columns 1-4 are four. Of course, six hydraulic support columns 1-4 are also possible.

Four hydraulic support columns 1-4 are distributed at the bottom of the rear frame body 1-1-2.

The four hydraulic support columns 1-4 are distributed in a rectangular shape.

Four of the six hydraulic support columns 1-4 are arranged at the bottom of the rear frame body 1-1-2.

Two other two are arranged at the front part of the front frame body 1-1-1

The pulling point 1-5 is arranged on the middle bottom surface of the front side of the front frame body 1-1-1.

The shapes of the pulling points 1-5 are cylindrical.

As shown in fig. 1 to 5, the gangue sorting part 3 is located at the front of the rear frame body 1-1-2.

The long bottom edge of the bottom plate of the gangue separating screen 3-1 faces forward.

The short bottom edge of the bottom plate of the gangue separating screen 3-1 faces backwards.

As shown in fig. 1 to 4, the feeding portion 2 is located on the front frame body 1-1-1.

The feeding part 2 comprises a material bin 2-1, a belt conveyor 2-2 and a supporting frame 2-3.

The belt conveyor 2-2 is a weighing belt conveyor.

The material bin 2-1 is in a rectangular pyramid funnel shape.

The material bin 2-1 is fixedly connected with the front frame body 1-1 through the supporting frame 2-3.

The feed inlet of the material bin 2-1 corresponds to the feed inlet at the upper part of the front surface of the cover body 1-3.

The discharge hole of the material bin 2-1 is offset to the left side of the front frame body 1-1.

The feed inlet of the belt conveyor 2-2 corresponds to the discharge outlet of the material bin 2-1.

The discharge port of the belt conveyor 2-2 is positioned at the left upper part of the front side of the gangue separating screen 3-1.

As shown in fig. 1 and 9, the discharging part 4 is arranged below the inclined edge of the gangue separating sieve 3-1.

The discharging part 4 comprises a first discharging box 4-1, a second discharging box 4-2 and a third discharging box 4-3.

The first discharging box 4-1, the second discharging box 4-2 and the third discharging box 4-3 are sequentially arranged from the front end to the rear end of the inclined edge of the gangue separating screen 3-1.

The first discharge bin 4-1 is a fine coal discharge bin.

The second discharge box 4-2 is a coarse coal discharge box.

The third discharging box 4-3 is a gangue discharging box.

As shown in fig. 1 to 6, the blower 5 includes a blower 5-1.

The air outlet of the air blower 5-1 is communicated with the air inlets of the air boxes 5-2 in a sealing way through the front air delivery duct 5-3.

The air inlets of the air boxes 5-2 are respectively provided with an air door baffle plate 5-2-1.

The rear part of the front air delivery duct 5-3 is hermetically connected with a heater 5-4 in series.

The air inlet and the air outlet of the heater 5-4 are respectively communicated with the rear part of the front air delivery duct 5-3 in a sealing way through a high-temperature resistant connecting part 5-4-1.

The front part of the front air delivery duct 5-3 is distributed with a side-blowing branch air delivery duct 5-3-3 and a plurality of upper-blowing branch air delivery ducts 5-3-2.

The plurality of upward blowing branch air delivery ducts 5-3-2 are respectively communicated with air inlets of the plurality of air boxes 5-2 in a sealing way through a plurality of soft connecting parts 5-3-1.

The side wall of the side blowing branch air delivery duct 5-3-3 is provided with a plurality of air outlets along the length direction.

The inclined baffle plate 3-1-5 of the gangue separating screen 3-1 is provided with a plurality of air outlets along the length direction.

The air outlets of the inclined baffle plates 3-1-5 of the gangue coal separating screen 3-1 are respectively communicated with the air outlets of the inclined baffle plates 3-1-5 of the gangue coal separating screen 3-1 in a sealing manner through a plurality of hoses 5-3-5.

The air outlet of the side-blowing branch air delivery duct 5-3-3 is provided with an air outlet baffle 5-3-4.

The plurality of bellows 5-2 are distributed on the bottom surface of the gangue separating screen 3-1.

The air outlets of the air boxes 5-2 are arranged in rows and columns and are distributed on the bottom surface of the gangue separating screen 3-1.

The air outlets of the air boxes 5-2 are communicated with the ventilation openings on the bottom surface of the gangue separating screen 3-1 in a sealing way.

The air outlet of the air box 5-2 is welded with angle steel 5-2-2 in a sealing way along the circumferential direction.

The horizontal plate of the angle steel 5-2-2 is positioned in the air outlet of the air box 5-2.

Fixing holes are correspondingly formed between the horizontal plate of the angle steel 5-2-2 and the bottom plate of the gangue separating screen 3-1.

And sealant is coated between the horizontal plate of the angle steel 5-2-2 and the bottom plate of the gangue separating screen 3-1.

The horizontal plate of the angle steel 5-2-2 is fixedly connected with the bottom plate of the gangue separating screen 3-1 in a sealing manner through bolts.

The bellows 5-2 is shaped as a rectangular pyramid funnel.

The air outlet of the air box 5-2 is rectangular or trapezoidal.

The shape of the air inlet of the air box 5-2 is round.

A honeycomb baffle is arranged in the air inlet of the air box 5-2.

The air inlet of the air feeder 5-1 is communicated with the air outlet of the rear air delivery duct 5-5 in a sealing way.

As shown in fig. 1 to 6, the dust removing part 6 includes a dust remover 6-1.

A cyclone separator 6-2 is arranged in the dust remover 6-1.

The cyclone separator 6-2 is conical in shape.

The air inlet of the dust remover 6-1 is communicated with the air outlet of the dust removing air duct 6-8 in a sealing way.

The air inlet of the dust removal air duct 6-8 is communicated with the air outlet of the dust removal cover 6-3 in a sealing way.

The dust hood 6-3 is positioned above the gangue separating screen 3-1.

There are two dust collectors 6-1.

The two dust collectors 6-1 are juxtaposed.

The air inlets of the two dust collectors 6-1 are respectively communicated with the two air outlets of the dust collection air duct 6-8 in a sealing way.

The air outlets of the two dust collectors 6-1 are respectively communicated with the two air inlets of the air collecting bellows 6-6 in a sealing way through the two air collecting channels 6-7.

The gas collecting bellows 6-6 are located above the two dust collectors 6-1.

The air outlet of the air collecting bellows 6-6 is communicated with the air inlet of the rear air delivery duct 5-5 in a sealing way.

The ash outlet of the dust remover 6-1 is communicated with the ash inlet of the ash removing hopper 6-4 in a sealing way.

The ash outlet of the ash removing hopper 6-4 is communicated with the ash inlet of the electric ash discharging port 6-5 in a sealing way.

Claims

1. A gangue separating screen is characterized in that: the shape of the bottom plate of the gangue-coal separation sieve (3-1) is a right trapezoid, an inclined baffle (3-1-5) is arranged at the high side of the bottom plate of the gangue-coal separation sieve (3-1), an included angle between the inclined baffle (3-1-5) and the bottom plate of the gangue-coal separation sieve (3-1) is an acute angle, at least one vibrating motor (3-1-9) is arranged outside the inclined baffle (3-1-5), the rotating shaft of the vibrating motor (3-1-9) is perpendicular to the high side of the bottom plate of the gangue-coal separation sieve (3-1), the included angle between the rotating shaft of the vibrating motor (3-1-9) and the bottom plate of the gangue-coal separation sieve (3-1) is larger than 0 DEG and smaller than or equal to 90 DEG, the rotating shaft of the vibrating motor (3-1-9) rotates clockwise when seen from the upper end of the rotating shaft of the vibrating motor (3-1-9), the long bottom plate of the gangue-coal separation sieve (3-1) is provided with a plurality of small bottom plates (3-1) and a plurality of small bottom plates (3-1) are arranged on the bottom plates, the small bottom plates are distributed on the small bottom plates (3-1) and the small bottom plates are distributed on the small bottom plates, the small bottom plates are distributed on the small bottom plates (3-coal separation sieve (3-1) are parallel to the small bottom plates) and the small bottom plates are distributed on the small bottom plates, the direction of inclination of the guide channel relative to the long bottom edge of the bottom plate of the gangue separating screen (3-1) is consistent with the direction of inclination of the inclined edge of the bottom plate of the gangue separating screen (3-1) relative to the long bottom edge of the bottom plate of the gangue separating screen (3-1), the included angle between the guide channel and the long bottom edge of the bottom plate of the gangue separating screen (3-1) is smaller than the included angle between the inclined edge of the bottom plate of the gangue separating screen (3-1) and the long bottom edge of the bottom plate of the gangue separating screen (3-1), and the length of the guide channel in the middle part is larger than the length of the guide channel in the side part.

2. The gangue separator screen as claimed in claim 1 wherein:

the long baffle plate (3-1-6) is perpendicular to the bottom plate of the gangue separating screen (3-1);

the short baffle plate (3-1-7) is perpendicular to the bottom plate of the gangue separating screen (3-1);

the included angle between the inclined baffle plate (3-1-5) and the bottom plate of the gangue separating screen (3-1) is 55 degrees;

the number of the vibration motors (3-1-9) is two;

the two vibrating motors (3-1-9) are fixedly connected with the inclined baffle plates (3-1-5) through brackets (3-1-8) respectively;

the included angle between the rotating shaft of each vibrating motor (3-1-9) and the bottom plate of the gangue separating screen (3-1) is 90 degrees or 69 degrees or 55 degrees;

the surface of the gangue coal separating screen (3-1) is distributed with connection points;

the connection point is a hanging connection point; and/or the number of the groups of groups,

the connection point is a support connection point;

the hanging connection point is arranged on the top surface of the gangue coal separating screen (3-1);

the supporting connection point is arranged on the bottom surface of the gangue separating screen (3-1);

the hanging connection point is a hanging connection ring;

the supporting connection point is a guiding connection rod;

four hanging connection points are arranged;

the four hanging connection points are distributed in a small right trapezoid shape; and/or the number of the groups of groups,

four support connection points are arranged;

The four supporting connection points are distributed in a small right trapezoid shape; or,

the number of the hanging connection points is two;

two support connection points are arranged;

the projections of the two hanging connection points and the two supporting connection points on the horizontal plane are distributed in a small right trapezoid shape;

the bottom plate of the gangue coal separating screen (3-1) comprises an air distribution plate (3-1-1), an elastic plate (3-1-2) and a plurality of isolating strips (3-1-3) from bottom to top in sequence;

the air distribution plate (3-1-1), the elastic plate (3-1-2) and the isolation strips (3-1-3) are fixedly connected;

the air distribution plate (3-1-1) is made of steel plates;

the vent holes are distributed on the steel plate;

the elastic plate (3-1-2) is a rubber plate;

the rubber plate is made of rubber;

the ventilation holes are distributed on the rubber plate;

the upper surface of the elastic plate (3-1-2) is distributed with a plurality of zigzag strips;

a plurality of zigzag strips are mutually juxtaposed;

the direction of inclination of the zigzag strip relative to the long bottom edge of the elastic plate (3-1-2) is consistent with the direction of inclination of the hypotenuse of the elastic plate (3-1-2) relative to the long bottom edge of the elastic plate (3-1-2), the included angle between the zigzag strip and the long bottom edge of the elastic plate (3-1-2) is smaller than the included angle between the hypotenuse of the elastic plate (3-1-2) and the long bottom edge of the elastic plate (3-1-2), the length of the zigzag strip at the middle part is larger than the length of the zigzag strip at the edge part, and the tooth tip of the zigzag strip is close to the long bottom edge of the elastic plate (3-1-2) and far away from the short bottom edge of the elastic plate (3-1-2); or,

The zigzag strip is perpendicular to the long bottom edge of the elastic plate (3-1-2);

the cross section of the zigzag strip is in a right triangle shape;

the plurality of isolation strips (3-1-3) are made of angle steel:

the plurality of diversion channels are formed by a plurality of isolation strips (3-1-3);

a plurality of the isolating bars (3-1-3) are parallel to each other;

the space between two adjacent isolating bars (3-1-3) forms a flow guide channel; the direction of inclination of the plurality of isolation strips (3-1-3) relative to the long bottom edge of the elastic plate (3-1-2) is consistent with the direction of inclination of the inclined edge of the elastic plate (3-1-2) relative to the long bottom edge of the elastic plate (3-1-2), the included angle between the plurality of isolation strips (3-1-3) and the long bottom edge of the elastic plate (3-1-2) is smaller than the included angle between the inclined edge of the elastic plate (3-1-2) and the long bottom edge of the elastic plate (3-1-2), and the length of the isolation strip (3-1-3) at the middle part is larger than the length of the zigzag strip at the edge part;

the air distribution plate (3-1-1), the elastic plate (3-1-2) and the isolation strips (3-1-3) are respectively provided with fixing holes correspondingly;

the air distribution plate (3-1-1), the elastic plate (3-1-2) and the isolation strips (3-1-3) are fixedly connected through bolts.

3. The gangue sorting part is characterized in that: the gangue separating part (3) comprises the gangue separating sieve (3-1) as claimed in claim 1 or 2.

4. A gangue sorting section as claimed in claim 3, wherein:

the gangue coal separating screen (3-1) is connected with the upper beam frame (3-5) through a lifting rope (3-2), a lifting rod (3-3) and an elastic connecting component (3-4) in sequence; and/or the gangue separating screen (3-1) is connected with the frame part (1) through an elastic supporting part;

the lower end of the lifting rope (3-2) is connected with the gangue separating screen (3-1);

the upper end of the lifting rope (3-2) is connected with the lower end of the lifting rod (3-3);

the top surface of the upper beam frame (3-5) is provided with a stepped hole;

the elastic connecting part (3-4) comprises a spring, a gasket and two nuts;

the spring is arranged in the stepped hole of the upper beam frame (3-5);

the upper end of the suspender (3-3) passes through the stepped hole and the spring hole of the upper beam frame (3-5) from bottom to top;

the upper end part of the suspender (3-3) is provided with threads;

the washer and the two nuts are fixed at the upper end of the suspender (3-3);

the elastic supporting member includes a supporting spring;

the supporting spring is positioned between the gangue separating screen (3-1) and the lower beam frame;

the top surface of the lower beam frame is provided with a guide hole;

the number of the lifting ropes (3-2) is four, the number of the lifting rods (3-3) is four, and the number of the elastic connecting parts (3-4) is four; and/or the elastic supporting component has four; or,

The number of the lifting ropes (3-2) is two, the number of the lifting rods (3-3) is two, the number of the elastic connecting parts (3-4) is two, and the number of the elastic supporting parts is two;

the bottom plate of the gangue coal separating screen (3-1) is provided with four corners (3-1-4);

the vertexes of the four angles (3-1-4) are a first vertex (3-1-4-1), a second vertex (3-1-4-2), a third vertex (3-1-4-3) and a fourth vertex (3-1-4-4), respectively;

the first vertex (3-1-4-1), the second vertex (3-1-4-2), the third vertex (3-1-4-3) and the fourth vertex (3-1-4-4) are positioned in the same plane;

after hanging and/or supporting, the gangue separating screen (3-1) has the highest first vertex (3-1-4-1), and the lowest third vertex (3-1-4-3) and/or the lowest fourth vertex (3-1-4-4);

the included angle between the bottom plate of the gangue separating screen (3-1) and the horizontal plane is more than 0 degrees and less than or equal to 10 degrees.

5. A coal purification gangue removal machine is characterized in that: comprising the gangue sorting part, a frame part (1), a feeding part (2), a discharging part (4), an air supply part (5) and a dust removing part (6) according to the claims 3 or 4.

6. The coal purification gangue removal machine as claimed in claim 5 wherein:

the frame part (1) comprises a frame body (1-1), wheels (1-2), a cover body (1-3), a hydraulic support column (1-4), a pulling point (1-5), a distribution box (1-6) and a tool box (1-7);

The frame body (1-1) comprises a front frame body (1-1-1) and a rear frame body (1-1-2);

the front frame body (1-1-1) is higher than the rear frame body (1-1-2);

the rear side of the front frame body (1-1-1) is fixedly connected with the front side of the rear frame body (1-1-2) through a plurality of support columns (1-1-3);

reinforcing ribs (1-1-4) are arranged between the front frame body (1-1-1) and the support columns (1-1-3);

reinforcing ribs (1-1-4) are arranged between the rear frame body (1-1-2) and the support columns (1-1-3);

-said wheels (1-2) are two or four;

the two wheels (1-2) are respectively arranged at the left side and the right side of the rear frame body (1-1-2) and are positioned at the rear part of the middle part of the rear frame body (1-1-2) in the front-rear direction;

the four wheels (1-2) are equally divided into two groups;

the two groups of wheels (1-2) are respectively arranged at the left side and the right side of the rear frame body (1-1-2) and are positioned at the rear part of the middle part of the rear frame body (1-1-2) in the front-rear direction;

a cover body (1-3) is arranged on the frame body (1-1);

the shape of the cover body (1-3) is cuboid;

a door is arranged in front of the cover body (1-3); and/or a door is arranged at the rear of the cover body (1-3); and/or a door is arranged on the left side of the cover body (1-3); and/or the right side of the cover body (1-3) is provided with a door; and/or the top surface of the cover body (1-3) is provided with a door;

The upper part of the front surface of the cover body (1-3) is provided with a feed inlet (1-3-1);

the distribution box (1-6) and the tool box (1-7) are positioned in the cover body (1-3);

the distribution box (1-6) and the tool box (1-7) are positioned on the left side of the middle part or the right side of the middle part of the rear frame body (1-1-2);

the gangue coal sorting part, the frame part (1), the feeding part (2), the discharging part (4), the air supply part (5) and the dust removing part (6) are positioned in the cover body (1-3);

the hydraulic support columns (1-4) are four or six;

the four hydraulic support columns (1-4) are distributed at the bottom of the rear frame body (1-1-2);

the four hydraulic support columns (1-4) are distributed in a rectangular shape;

the pulling point (1-5) is arranged on the middle bottom surface of the front side of the front frame body (1-1-1);

the shape of the pulling points (1-5) is cylindrical.

7. The coal purification gangue removal machine of claim 6, wherein:

the gangue separation part (3) is positioned at the front part of the rear frame body (1-1-2);

the long bottom edge of the bottom plate of the gangue separating screen (3-1) faces forward;

the short bottom edge of the bottom plate of the gangue separating screen (3-1) faces backwards.

8. The coal purification gangue removal machine as claimed in claim 7 wherein:

the feeding part (2) is positioned on the front frame body (1-1-1);

The feeding part (2) comprises a material bin (2-1), a belt conveyor (2-2) and a supporting frame (2-3);

the belt conveyor (2-2) is a weighing belt conveyor;

the material bin (2-1) is in a rectangular pyramid funnel shape;

the material bin (2-1) is fixedly connected with the front frame body (1-1-1) through the supporting frame (2-3);

the feed inlet of the material bin (2-1) corresponds to the feed inlet at the upper part of the front surface of the cover body (1-3);

the discharge hole of the material bin (2-1) is offset to the left side of the front frame body (1-1-1);

the feed inlet of the belt conveyor (2-2) corresponds to the discharge outlet of the material bin (2-1);

the discharge port of the belt conveyor (2-2) is positioned at the left upper part of the front side of the gangue separating screen (3-1).

9. The coal purification gangue removal machine of claim 8, wherein:

the discharging part (4) is arranged below the bevel edge of the gangue separating screen (3-1);

the discharging part (4) comprises a first discharging box (4-1), a second discharging box (4-2) and a third discharging box (4-3);

the first discharging box (4-1), the second discharging box (4-2) and the third discharging box (4-3) are sequentially arranged from the front end to the rear end of the inclined edge of the gangue separating screen (3-1);

the first discharging box (4-1) is a fine coal discharging box;

The second discharging box (4-2) is a coarse coal discharging box;

the third discharging box (4-3) is a gangue discharging box.

10. The coal purification gangue removal machine of claim 9, wherein:

the air supply part (5) comprises an air supply device (5-1);

the air outlet of the air feeder (5-1) is communicated with the air inlets of the air boxes (5-2) in a sealing way through a front air delivery duct (5-3);

air door baffles (5-2-1) are arranged at the air inlets of the plurality of air boxes (5-2);

the rear part of the front air delivery duct (5-3) is connected with a heater (5-4) in series in a sealing way;

an air inlet and an air outlet of the heater (5-4) are respectively communicated with the rear part of the front air delivery duct (5-3) in a sealing way through a high-temperature-resistant connecting part (5-4-1);

a side blowing branch air delivery duct (5-3-3) and a plurality of upper blowing branch air delivery ducts (5-3-2) are distributed at the front part of the front air delivery duct (5-3);

the plurality of upper blowing branch air delivery channels (5-3-2) are respectively communicated with air inlets of the plurality of air boxes (5-2) in a sealing way through a plurality of soft connecting parts (5-3-1);

the side wall of the side blowing branch air delivery duct (5-3-3) is provided with a plurality of air outlets along the length direction;

the inclined baffle plate (3-1-5) of the gangue coal separating screen (3-1) is provided with a plurality of air outlets along the length direction;

the air outlets of the inclined baffle plates (3-1-5) of the gangue coal separating screen (3-1) are respectively communicated with the air outlets of the inclined baffle plates (3-1-5) of the gangue coal separating screen (3-1) in a sealing manner through a plurality of hoses (5-3-5);

An air outlet of the side-blowing branch air delivery duct (5-3-3) is provided with an air outlet baffle (5-3-4);

the plurality of air boxes (5-2) are distributed on the bottom surface of the gangue coal separating screen (3-1);

the air outlets of the air boxes (5-2) are distributed on the bottom surface of the gangue coal separating screen (3-1) in parallel;

the air outlets of the air boxes (5-2) are communicated with the bottom surface ventilation openings of the gangue separating screen (3-1) in a sealing way;

the angle steel (5-2-2) is welded at the air outlet of the air box (5-2) along the circumferential direction in a sealing way;

the horizontal plate of the angle steel (5-2-2) is positioned in the air outlet of the air box (5-2);

a fixing hole is correspondingly arranged between the horizontal plate of the angle steel (5-2-2) and the bottom plate of the gangue separating screen (3-1);

a sealant is coated between the horizontal plate of the angle steel (5-2-2) and the bottom plate of the gangue separating screen (3-1);

the horizontal plate of the angle steel (5-2-2) is fixedly connected with the bottom plate of the gangue separating screen (3-1) in a sealing manner through bolts;

the shape of the bellows (5-2) is a rectangular pyramid funnel;

the shape of the air outlet of the air box (5-2) is rectangular or trapezoidal;

the shape of the air inlet of the air box (5-2) is round;

a honeycomb baffle is arranged in the air inlet of the air box (5-2);

the air inlet of the air feeder (5-1) is communicated with the air outlet of the rear air delivery duct (5-5) in a sealing way;

The dust removing part (6) comprises a dust remover (6-1);

a cyclone separator (6-2) is arranged in the dust remover (6-1);

the cyclone separator (6-2) is conical in shape;

an air inlet of the dust remover (6-1) is communicated with an air outlet of the dust removing air duct (6-8) in a sealing way;

the air inlet of the dust removal air duct (6-8) is communicated with the air outlet of the dust removal cover (6-3) in a sealing way;

the dust hood (6-3) is positioned above the gangue coal separating screen (3-1);

the number of the dust collectors (6-1) is two;

the two dust collectors (6-1) are juxtaposed;

the air inlets of the two dust collectors (6-1) are respectively communicated with the two air outlets of the dust collection air duct (6-8) in a sealing way;

the air outlets of the two dust collectors (6-1) are respectively communicated with the two air inlets of the air collecting bellows (6-6) in a sealing way through the two air collecting channels (6-7);

the gas collecting bellows (6-6) are positioned above the two dust collectors (6-1);

the air outlet of the air collecting bellows (6-6) is communicated with the air inlet of the rear air delivery duct (5-5) in a sealing way;

the ash outlet of the dust remover (6-1) is communicated with the ash inlet of the ash removing hopper (6-4) in a sealing way;

the ash outlet of the ash removing hopper (6-4) is communicated with the ash inlet of the electric ash discharging port (6-5) in a sealing way.