CN209901729U

CN209901729U - Gangue separation sieve, gangue separation part and coal purification and gangue removal machine

Info

Publication number: CN209901729U
Application number: CN201920241333.1U
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: 2020-01-07
Anticipated expiration: 2029-02-26

Abstract

The utility model discloses a gangue separating screen, gangue separation portion and coal purification gangue removing machine. The bottom surface of the gangue separation screen is in a right trapezoid shape, a plurality of ventilation openings are distributed on the surface of the gangue separation screen, and a plurality of guide channels are distributed on the upper surface of the gangue separation screen. The gangue separation part comprises a gangue separation screen as described above. The coal purification and gangue removal machine comprises the gangue separation part, a frame part, a feeding part, a discharging part, an air supply part and a dust removal part. The utility model discloses can vibrate the gangue separation sieve and cooperate the gangue mixture with the gangue separation sieve on with the wind that blows from a plurality of vents and separate and shunt, like this, do not need the water resource just can separate coal and gangue, simultaneously, can realize separating coal and gangue in the pit. The coal and the gangue can be separated at the coal mine site.

Description

Gangue separation sieve, gangue separation part and coal purification and gangue removal machine

Technical Field

The utility model relates to a separation sieve, separation portion and purification machine especially relate to a gangue separation sieve, gangue separation portion and coal purification gangue removing machine.

Background

A large amount of gangue is mixed in the coal mine raw coal mining, which not only brings difficulty to other operation steps such as pre-screening, but also a large amount of massive gangue enters the coal dressing operation to directly influence the coal dressing work and is not beneficial to the improvement of the product quality. The common separation method is manual work, and large gangue is picked out from the mixed coal on the belt conveyor by hands, and the method has high labor intensity, very hard working environment of workers and low efficiency, and the conditions of missed selection and wrong selection often occur. The water separation utilizes the density difference of coal and gangue, and the separation is carried out by the buoyancy of water, the method has good effect, but the equipment is expensive and the process is complex, and a large amount of water resources are needed, for some places which are rich in coal resources and lack of water, the method is a big bottleneck of the coal separation process, the method is contrary to the low energy and low consumption of the current stage of China, and the coal and the gangue can only be separated in a fixed factory building, and the coal and the gangue can not be separated on a coal mine site.

SUMMERY OF THE UTILITY MODEL

The to-be-solved first technical problem of the utility model is to provide a gangue separation sieve, this gangue separation sieve do not need the water resource just can separate coal and gangue, can realize separating coal and gangue in the pit.

The to-be-solved second technical problem of the utility model is to provide a gangue separation part, this gangue separation part does not need the water resource just can separate coal and gangue, can realize separating coal and gangue in the pit.

The to-be-solved third technical problem of the utility model is to provide a coal purification takes off cash machine, this coal purification takes off cash machine does not need the water resource just can separate coal and waste rock, can realize separating coal and waste rock in the pit.

In terms of the separating screen, in order to solve the first technical problem, the utility model provides a gangue separating screen, the bottom plate of the gangue separating screen is in a right trapezoid shape, the high side of the gangue separating screen bottom plate is provided with an inclined baffle, the included angle between the inclined baffle and the bottom plate of the gangue separating screen is an acute angle, the outside of the inclined baffle is provided with at least one vibrating motor, the rotating shaft of the vibrating motor is perpendicular to the high side of the gangue separating screen bottom plate, the included angle between the rotating shaft of the vibrating motor and the bottom plate of the gangue separating screen is more than 0 degree and less than or equal to 90 degrees, when viewed from the upper end of the rotating shaft of the vibrating motor, the rotating shaft of the vibrating motor rotates clockwise, the long bottom side of the gangue separating screen bottom plate is provided with a long baffle, the short bottom side of the gangue separating screen bottom plate is provided with a short baffle, the utility model discloses a gangue separation sieve, including gangue separation sieve bottom plate, the bottom plate of gangue separation sieve distributes and has a plurality of vents, the last surface distribution of gangue separation sieve bottom plate has a plurality of direction passageways, and is a plurality of direction passageway is parallel to each other, direction passageway for the direction of the long base limit slope of gangue separation sieve bottom plate with the hypotenuse of gangue separation sieve bottom plate for the direction of the long base limit slope of gangue separation sieve bottom plate is unanimous, direction passageway with contained angle between the long base limit of gangue separation sieve bottom plate is less than the hypotenuse of gangue separation sieve bottom plate with contained angle between the long base limit of gangue separation sieve bottom plate, middle part direction passageway's length is greater than limit portion direction passageway's length.

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

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

The inclined baffle plate and the bottom plate of the gangue separation sieve form an included angle of 55 degrees.

The number of the vibration motors is two.

And the two vibration motors are fixedly connected with the inclined baffle through brackets respectively.

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

And connecting points are distributed on the surface of the gangue separation screen.

The connection points are hanging connection points. Alternatively, the first and second electrodes may be,

the connection points are support connection points.

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

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

The hanging connection point is a hanging connection ring.

The support connection point is a guide connection rod.

Four hanging connection points are arranged.

The four hanging connection points are distributed in a small right trapezoid shape. And/or the presence of a gas in the gas,

there are four of the support connection points.

The four supporting connection points are distributed in a small right-angle trapezoid shape. Alternatively, the first and second electrodes may be,

the number of the hanging connection points is two.

There are two of the support connection points.

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 side of the small right-angled trapezoid.

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

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

The air distribution plate, the elastic plate and the plurality of isolating strips are fixedly connected.

The air distribution plate is made of a steel plate.

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.

A plurality of saw-tooth-shaped strips are distributed on the upper surface of the elastic plate.

The plurality of saw-tooth strips are juxtaposed with each other.

The utility model discloses a spring plate, including the elasticity board, zigzag strip, hypotenuse, the direction of elasticity board, including the hypotenuse of elasticity board, the direction of zigzag strip for the long base limit slope of elasticity board with the hypotenuse of elasticity board for the direction of the long base limit slope of elasticity board is unanimous, zigzag strip with contained angle between the long base limit of elasticity board is less than the hypotenuse of elasticity board with contained angle between the long base limit of elasticity board, middle part the length of zigzag strip is greater than limit portion the length of zigzag strip, the prong of zigzag strip is close to the long base of elasticity board is kept away from the short base limit of elasticity board. Alternatively, the first and second electrodes may be,

the sawtooth-shaped strips are perpendicular to the long bottom edge of the elastic plate.

The cross section of the sawtooth-shaped strip is in a right-angled triangle shape.

A plurality of the spacers are made of angle steel.

The plurality of flow guide channels are formed by a plurality of isolating strips.

The plurality of the spacers are parallel to each other.

The space between two adjacent isolating strips forms one flow guide channel; the direction of the plurality of isolating strips inclining relative to the long bottom edge of the elastic plate is consistent with the direction of the inclined edge of the elastic plate inclining relative to the long bottom edge of the elastic plate, the included angle between the plurality of isolating 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 isolating strips in the middle part is larger than that of the sawtooth-shaped strips at the edge parts;

the air distribution plate, the elastic plate and the plurality of isolating strips are respectively and correspondingly provided with a fixing hole;

the air distribution plate, the elastic plate and the plurality of isolating strips are fixedly connected through bolts.

Compared with the prior art, the gangue separating screen of the utility model has the following beneficial effects.

1. The technical proposal is that the bottom plate of the gangue separation sieve is in a right trapezoid shape, the high edge of the gangue separation sieve bottom plate is provided with an inclined baffle, the included angle between the inclined baffle and the bottom plate of the gangue separation sieve is an acute angle, the outside of the inclined baffle is at least provided with a vibration motor, the rotating shaft of the vibration motor is perpendicular to the high edge of the gangue separation sieve bottom plate, the included angle between the rotating shaft of the vibration motor and the bottom plate of the gangue separation sieve is more than 0 degree and less than or equal to 90 degrees, the rotating shaft of the vibration motor rotates clockwise when seen from the upper end of the rotating shaft of the vibration motor, the long bottom edge of the gangue separation sieve bottom plate is provided with a long baffle, the short bottom edge of the gangue separation sieve bottom plate is provided with a short baffle, the bottom plate of the gangue separation sieve is provided with a plurality of ventilation openings, and the upper surface of the gangue separation sieve bottom plate is provided with a plurality of guide channels, the guide channels are parallel to each other, the direction of the inclination of the guide channels relative to the long bottom edge of the gangue separation screen bottom plate is consistent with the direction of the inclination of the bevel edge of the gangue separation screen bottom plate relative to the long bottom edge of the gangue separation screen bottom plate, the included angle between the guide channel and the long bottom edge of the gangue separation sieve bottom plate is smaller than the included angle between the bevel edge of the gangue separation sieve bottom plate and the long bottom edge of the gangue separation sieve bottom plate, the length of the guide channel in the middle part is larger than that of the guide channel in the edge part, therefore, the gangue separation sieve can vibrate the gangue separation sieve and is matched with the wind blown from the plurality of ventilation openings to separate and shunt the gangue mixture on the gangue separation sieve, therefore, the coal and the gangue can be separated without water resources, and meanwhile, the coal and the gangue can be separated at a coal mine site.

2. According to the technical scheme, the long baffle is perpendicular to the bottom plate of the gangue separation sieve; the short baffle is vertical to the bottom plate of the gangue separation screen; the short baffle is vertical to the bottom plate of the gangue separation screen; the long baffle is vertical to the bottom plate of the gangue separation screen; the inclined baffle plate and the bottom plate of the gangue separation sieve form an included angle of 55 degrees, so that coal blocks can be effectively prevented from jumping out of the gangue separation sieve from the high edge of the gangue separation sieve bottom plate.

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

4. The technical scheme adopts the technical means that the connecting points are distributed on the surface of the gangue separation sieve, so that the connection of the gangue separation sieve is facilitated.

5. The technical proposal adopts the connection point as a hanging connection point (which is beneficial to the flexibility of vibration); or the connecting points are technical means for supporting the connecting points (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 customers.

6. According to the technical scheme, the hanging connection points are arranged on the top surface of the gangue separation sieve; the supporting connection point is arranged on the bottom surface of the gangue separation screen; the hanging connection point is a hanging connection ring; the support connection point is a guide connecting rod; four hanging connection points are arranged; the four hanging connection points are distributed in a small right trapezoid shape; and/or, there are four of said support attachment points; 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 side of the small right trapezoid; the two support connection points are positioned at the two end points of the short bottom side of the small right-angled trapezoid, so that various gangue separation sieves can be manufactured according to the requirements of different customers.

7. According to the technical scheme, the gangue separation screen sequentially comprises an air distribution plate, an elastic plate and a plurality of isolating strips from bottom to top; the technical means of fixed connection among the air distribution plate, the elastic plate and the plurality of isolating strips is not only favorable for air supply, but also favorable for separating a gangue and coal mixture, and simultaneously, is more favorable for separating the separated gangue and coal.

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

9. In the technical scheme, the elastic plate is a rubber plate; the rubber plate is made of rubber; the air vents are distributed on the rubber plate; a plurality of saw-tooth-shaped strips are distributed on the upper surface of the elastic plate; a plurality of said zigzag strips are juxtaposed to one another; the direction of the sawtooth-shaped strips inclining relative to the long bottom edge of the elastic plate is consistent with the direction of the inclined edges of the elastic plate inclining relative to the long bottom edge of the elastic plate, the included angle between the sawtooth-shaped strips and the long bottom edge of the elastic plate is smaller than the included angle between the inclined edges of the elastic plate and the long bottom edge of the elastic plate, the length of the sawtooth-shaped strips in the middle is larger than that of the sawtooth-shaped strips at the edge parts, and the tooth tips of the sawtooth-shaped strips are close to the long bottom edge of the elastic plate and far away from the short bottom edge of the elastic plate; or the sawtooth-shaped strips are perpendicular to the long bottom edge of the elastic plate; the cross section of the zigzag strip is in the shape of a right triangle, so that the elasticity of the gangue separation screen can be greatly improved.

10. According to the technical scheme, the plurality of isolating strips are made of angle steel; the plurality of flow guide channels are formed by a plurality of isolating strips; the plurality of isolating bars are parallel to each other; the space between two adjacent isolating strips forms one flow guide channel; the direction of the plurality of isolating strips inclining relative to the long bottom edge of the elastic plate is consistent with the direction of the inclined edge of the elastic plate inclining relative to the long bottom edge of the elastic plate, the included angle between the plurality of isolating 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 isolating strips in the middle part is larger than that of the sawtooth-shaped strips at the edge parts; the air distribution plate, the elastic plate and the plurality of isolating strips are respectively and correspondingly provided with a fixing hole; the air distribution plate, the elastic plate and the plurality of isolating strips are fixedly connected through bolts, so that the separated gangue and coal are favorably shunted.

With regard to the separation part, in order to solve the second technical problem, the utility model provides a gangue separation part, gangue separation part includes the gangue separation sieve as before.

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

The lower end of the lifting rope is connected with the gangue separation 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 washer and two nuts.

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

The upper end of the suspender penetrates 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 a thread.

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

The elastic support member includes a support spring.

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

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

Four lifting ropes, four hanging rods and four elastic connecting parts are arranged. And/or, there are four resilient support members. Alternatively, the first and second electrodes may be,

the lifting rope is provided with two lifting rods, the elastic connecting part is provided with two elastic connecting parts, and the elastic supporting part is provided with two elastic supporting parts.

The gangue separation sieve bottom plate has four angles.

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

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

After the gangue separation screen is hung and/or supported, the first peak is highest, and the third peak and/or the fourth peak are/is lowest.

The included angle between the bottom plate of the gangue separation sieve and the horizontal plane is greater than 0 degree and less than or equal to 10 degrees.

The included angle between the bottom plate of the gangue separation sieve and the horizontal plane is equal to 6 degrees.

Compared with the prior art, the utility model has the following beneficial effects.

1. This technical scheme is owing to adopted a waste rock separation portion, the waste rock separation portion includes as before the technical means of waste rock separation sieve, so, waste rock separation portion can vibrate the waste rock separation sieve and separate and shunt with the waste rock mixture on the waste rock separation sieve with the wind that blows from a plurality of vents is mutually supported, like this, does not need the water resource just can separate coal and waste rock, simultaneously, can realize separating coal and waste rock at the colliery scene.

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

3. The lower end of the lifting rope is connected with the gangue separation 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 washer and two nuts; the spring is arranged in the stepped hole of the upper beam frame; the upper end of the hanger rod penetrates 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 a thread; the washer and the two nuts are fixed on the hanger rod; the elastic support member includes a support 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; four lifting ropes, four lifting rods and four elastic connecting parts are arranged; and/or, there are four elastic support members; or the technical means that two lifting ropes are arranged, two lifting rods are arranged, two elastic connecting parts are arranged, and two elastic supporting parts are arranged are adopted, so that the inclination direction of the gangue separation screen can be adjusted conveniently, and the amplitude of the gangue separation screen can be increased conveniently.

4. According to the technical scheme, after the gangue separation screen is hung and/or supported, the first top point is highest, and the third top point and/or the fourth top point are/is lowest; the included angle between the bottom plate of the gangue separation screen and the horizontal plane is larger than 0 degree and smaller than or equal to 10 degrees, so that the gangue and coal separation screen is beneficial to separation.

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

With regard to the purifying machine, in order to solve the third technical problem, the utility model provides a coal purification gangue removing machine, including as before gangue separation portion, frame portion, feeding portion, ejection of compact portion, air supply portion, dust removal portion.

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

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 supporting columns.

And reinforcing ribs are arranged between the front frame body and the plurality of supporting columns.

And reinforcing ribs are arranged between the rear frame body and the plurality of supporting 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 divided equally 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 rack body.

The shape of the cover body is cuboid.

The front of the cover body is provided with a door. And/or a door is arranged behind the cover body. And/or a door is arranged on the left surface of the cover body. And/or a door is arranged on the right side of the cover body. And/or a door is arranged on the top surface of the cover body.

The upper part of the front of the cover body is provided with a feeding port.

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 or the right side of the middle part of the rear frame body.

The gangue sorting part, the frame part, the feeding part, the discharging part, the air supply part and the dust removal 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 towing and hanging point is arranged on the bottom surface of the middle part of the front side of the front frame body.

The shape of the dragging and hanging point is cylindrical.

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

The long bottom edge of the bottom plate of the gangue separation screen faces forwards.

The short bottom edge of the bottom plate of the gangue separation screen 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 shape of the material bin is a quadrangular pyramid funnel.

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

And a feed inlet of the material bin corresponds to a feed inlet at the upper part of the front of the cover body.

And a discharge port of the material bin is offset on the left side of the front 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 above the left side of the front side of the gangue separation screen.

The discharging part is arranged below the bevel edge of the gangue separation 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 separation 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 gangue discharging box.

The air supply part comprises an air feeder.

And the air outlet of the air feeder is communicated with the air inlets of the air boxes in a sealing manner through a front air supply channel.

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

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

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

And a side branch blowing air duct and a plurality of upper branch blowing air ducts are distributed at the front part of the front air duct.

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

And a plurality of air outlets are formed in the side wall of the side-blowing branch air supply duct along the length direction.

And a plurality of air outlets are formed in the inclined baffle of the gangue separation sieve along the length direction.

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

And an air outlet baffle is arranged at an air outlet of the side-blowing branch air supply duct.

The plurality of wind boxes are distributed on the bottom surface of the gangue separation screen.

And air outlets of the air boxes are distributed on the bottom surface of the gangue separation screen in a row-in-row manner.

And a plurality of air outlets of the air boxes are communicated with a bottom vent of the gangue separation sieve in a sealing way.

And an air outlet of the air box is welded with angle steel in a sealing mode along the circumferential direction.

And the horizontal plate of the angle steel is positioned in the air outlet of the air box.

And a fixing hole is correspondingly arranged between the horizontal plate of the angle steel and the bottom plate of the gangue separation screen.

And sealant is coated between the horizontal plate of the angle steel and the bottom plate of the gangue separation sieve.

And the horizontal plate of the angle steel is fixedly connected with the bottom plate of the gangue separation sieve in a sealing manner through bolts.

The shape of the air box 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.

And a honeycomb baffle is arranged in the air inlet of the air box.

And the air inlet of the air feeder is communicated with the air outlet of the rear air feeding channel in a sealing way.

The dust removing part comprises a dust remover.

And a cyclone separator is arranged in the dust remover.

The cyclone separator is in the shape of a cone.

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

And the air inlet of the dust removal air channel is communicated with the air outlet of the dust removal cover in a sealing manner.

The dust excluding hood is positioned above the gangue separating screen.

The number of the dust collectors is two.

The two dust collectors are juxtaposed.

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

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

And the gas collection air box is positioned above the two dust collectors.

And the air outlet of the air collection air box is communicated with the air inlet of the rear air supply channel in a sealing way.

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

And 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 purifying and gangue removing machine of the utility model has the following beneficial effects.

1. This technical scheme is owing to adopted including as before the gangue separation part, frame portion, feeding portion, ejection of compact portion, air supply portion, the technological means of dust removal portion, so, this coal purification gangue removal machine can vibrate the gangue separation sieve and the wind that blows from a plurality of vents is cooperateed and is separated the gangue mixture on the gangue separation sieve and reposition of redundant personnel, like this, does not need the water resource just can separate coal and gangue, simultaneously, can realize separating coal and gangue at the colliery scene.

2. This technical scheme is owing to adopted rack portion includes rack body, wheel, the cover body, hydraulic support column, drags the technical means of hanging point, block terminal, toolbox, so, be favorable to the gangue coal of coal purification gangue removal machine to select separately the installation of portion, rack portion, feeding portion, ejection of compact portion, air supply portion, dust removal portion, be favorable to the transportation to coal purification gangue removal machine, be favorable to adding the work to coal purification gangue removal machine, be favorable to the loading and unloading and the maintenance to coal purification gangue removal machine.

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 that the reinforcing ribs are arranged between the rear frame body and the plurality of supporting columns is favorable for reducing the gravity center of the coal purification gangue removing machine, and is favorable for hanging the traction headstock and the coal purification gangue removing machine.

4. The technical proposal adopts two or four wheels; 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 divided into two groups on average; 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 front and rear directions of the rear frame body, so that the balanced stress of the rear frame body is facilitated.

5. In the technical scheme, the cover body is arranged on the rack body; the shape of the cover body is a cuboid; the front of the cover body is provided with a door. And/or a door is arranged behind the cover body. And/or a door is arranged on the left surface of the cover body. And/or a door is arranged on the right side of the cover body. And/or a door is arranged on the top surface of the cover body; a feeding port is formed in the upper part of the front surface of the cover body; 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 or the right side of the middle part of the rear frame body; the gangue separation part, the frame part, the feeding part, the discharging part, the air supply part and the dust removal part are located in the cover body, so that air pollution is favorably reduced, and the gangue separation part, the frame part, the feeding part, the discharging part, the air supply part, the dust removal part and the distribution box are favorably protected.

6. The technical proposal adopts four hydraulic support columns; the four hydraulic supporting columns are distributed at the bottom of the rear frame body; the four hydraulic supporting columns are distributed in a rectangular shape; the towing and hanging point is arranged on the bottom surface of the middle part of the front side of the front frame body; the shape of the towing and hanging point is cylindrical, so that the towing and hanging point is beneficial to steering of the towing vehicle head.

7. According to the technical scheme, the gangue separation part is arranged at the front part of the rear frame body; the long bottom edge of the bottom plate of the gangue separation screen faces forwards; the short bottom edge of the bottom plate of the gangue separation screen faces backwards, so that the overall design of the gangue removal machine for coal purification is facilitated.

8. In the technical scheme, 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 quadrangular pyramid funnel shape; the material bin is fixedly connected with the front frame body through the supporting frame; a feed inlet of the material bin corresponds to a feed inlet at the upper part of the front 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 discharge hole of the belt conveyor is positioned above the left side of the front side of the gangue separation screen, so that the belt conveyor is beneficial to smooth conveying of gangue mixture.

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

10. The technical proposal adopts the air supply part comprising an air feeder; the air outlet of the air feeder is hermetically communicated with the air inlets of the air boxes through a front air supply duct; air door baffles are arranged at the air inlets of the air boxes; the rear part of the front air supply 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 supply duct in a sealing way through high-temperature resistant connecting parts; the front part of the front air supply duct is distributed with a side branch air supply duct and a plurality of upper branch air supply ducts; the plurality of upper blowing branch air supply ducts are respectively communicated with the air inlets of the plurality of 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 an inclined baffle of the gangue separation screen; a plurality of air outlets of the side-blowing branch air delivery duct are positioned above the inclined baffle of the gangue separation sieve; the axes of a plurality of air outlets of the side-blowing branch air supply 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 separation sieve; an air outlet baffle is arranged at an air outlet of the side-blowing branch air supply duct; the plurality of wind boxes are distributed on the bottom surface of the gangue separation screen; the air outlets of the air boxes are distributed on the bottom surface of the gangue separation screen in a row-in-row manner; the air outlets of the air boxes are in sealed communication with the ventilation openings on the bottom surface of the gangue separation sieve; 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 formed between the horizontal plate of the angle steel and the bottom plate of the gangue separation screen; sealant is coated between the horizontal plate of the angle steel and the bottom plate of the gangue separation sieve; the horizontal plate of the angle steel is fixedly connected with the bottom plate of the gangue separation screen in a sealing way through bolts; the shape of the air box 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 plate is arranged in the air inlet of the air box; the technical means that the air inlet of the air feeder is communicated with the air outlet of the rear air feeding channel in a sealing mode is favorable for improving the sealing performance of the gangue separating screen and the air box, improving the air feeding efficiency, efficiently separating gangue mixtures, drying the gangue mixtures and preventing coal and gangue from falling into the front air feeding channel.

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

Drawings

The gangue separation screen, the gangue separation part and the coal purifying and gangue removing machine of the present invention will be described in detail with reference to the accompanying drawings and the following detailed description.

FIG. 1 is a schematic diagram of the coal purifying and gangue removing machine according to the present invention.

FIG. 2 is a left side view structure schematic diagram of the coal purifying and gangue removing machine of the utility model.

FIG. 3 is a rear view schematic structural diagram of the coal purifying and gangue removing machine of the utility model.

FIG. 4 is a schematic view of the overlooking structure of the coal purifying and gangue removing machine of the utility model.

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

Fig. 5a is an enlarged schematic view of the side branch blowing duct in fig. 5.

Fig. 6 is a schematic structural view of the air blowing part and the dust removing part in fig. 1.

FIG. 7 is a schematic structural view of the gangue-coal separating screen (during hanging) in the coal purifying and gangue-removing machine of the present invention.

FIG. 8 is a schematic diagram of the structure of the gangue-coal separating screen (during hanging) in the coal purifying and gangue-removing machine of the present invention.

FIG. 9 is a schematic view of the top view of the gangue separation screen (hanging) in the coal purifying and gangue removing machine of the present invention.

FIG. 10 is a schematic structural view of a gangue separation sieve bottom plate in the coal purifying and gangue removing machine of the utility model.

FIG. 11 is a schematic view of the air distribution plate in the gangue separation sieve of the coal purifying and gangue removing machine of the present invention.

FIG. 12 is a schematic view of the overlooking structure of the first elastic plate in the gangue separation sieve of the coal purifying and gangue removing machine of the present invention.

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

FIG. 14 is a schematic view of the second elastic plate in the gangue separation sieve of the coal purifying and gangue removing machine of the present invention.

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

FIG. 16 is a schematic view of the top view structure of the separation strips in the gangue separation screen of the coal purifying and gangue removing machine of the present invention.

Fig. 17 is a schematic view of the top view structure of the distribution of the wind boxes in the coal purifying and gangue removing machine of the present invention.

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

The reference numerals are explained below.

1-a frame part; 1-frame body; 1-1-1-front frame body; 1-1-2-rear frame body; 1-1-3 to support columns; 1-1-4-reinforcing ribs; 1-2-vehicle wheel; 1-3 to cover body; 1-3-1-material inlet; 1-4-hydraulic support column; 1-5 to a hanging point; 1-6-distribution box; 1-7-tool box; 2 to a feeding part; 2-1-material bin; 2-belt conveyor; 2-3 to a support frame; 3-gangue sorting part; 3-1-gangue separation sieve; 3-1-1 air distribution plate; 3-1-2-elastic plate; 3-1-3-spacer bars; 3-1-4-degree angle; 3-1-4-1 to the first vertex; 3-1-4-2 to the second vertex; 3-1-4-3 to the third vertex; 3-1-4-4 to the fourth vertex; 3-1-5 inclined baffles; 3-1-6 long baffles; 3-1-7 short baffles; 3-1-8 of a scaffold; 3-1-9 vibration motors; 3-1-10 auxiliary gangue outlets; 3-2-lifting rope; 3-3 to a suspender; 3-4-elastic connecting part; 3-5 to put on the 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-an air supply part; 5-1-blower; 5-2 to an air box; 5-2-1-damper; 5-2-angle steel; 5-3 to a front air supply duct; 5-3-1-soft connecting part; 5-3-2-upper blowing branch air delivery duct; 5-3-side branch blowing air duct; 5-3-4 to the air outlet baffle; 5-3-5-hose; 5-4 to a heater; 5-4-1-high temperature resistant connecting part; 5-rear air supply duct; 6-a dust removal part; 6-1-dust remover; 6-2-cyclone separator; 6-3 to a dust hood; 6-4 to an ash removal hopper; 6-5 parts of an electric ash discharge port; 6-6 parts of gas collection bellows; 6-7-gas collection air duct; 6-8 to the dust removal air duct.

Detailed Description

As shown in fig. 7 to 9, a gangue separating screen, wherein a bottom plate of a gangue separating screen 3-1 is in a right trapezoid shape, a high side of the bottom plate of the gangue separating screen 3-1 is provided with an inclined baffle 3-1-5, an included angle between the inclined baffle 3-1-5 and the bottom plate of the gangue separating screen 3-1 is an acute angle, at least one vibration motor 3-1-9 is arranged outside the inclined baffle 3-1-5, a rotating shaft of the vibration motor 3-1-9 is perpendicular to the high side of the bottom plate of the gangue separating screen 3-1, an included angle between the rotating shaft of the vibration motor 3-1-9 and the bottom plate of the gangue separating screen 3-1 is greater than 0 degree and less than or equal to 90 degrees, as viewed from the upper end of the rotating shaft of the vibration motor 3-1-9, the rotating shaft of the vibrating motor 3-1-9 rotates clockwise, the long bottom edge of the bottom plate of the gangue separation sieve 3-1 is provided with a long baffle 3-1-6, the short bottom edge of the bottom plate of the gangue separation sieve 3-1 is provided with a short baffle 3-1-7, a plurality of ventilation openings are distributed on the bottom plate of the gangue separation sieve 3-1, a plurality of guide channels are distributed on the upper surface of the bottom plate of the gangue separation sieve 3-1 and are parallel to each other, the inclination direction of the guide channels relative to the long bottom edge of the bottom plate of the gangue separation sieve 3-1 is consistent with the inclination direction of the bevel edge of the bottom plate of the gangue separation sieve 3-1 relative to the long bottom edge of the bottom plate of the gangue separation sieve 3-1, and the included angle between the guide channels and the long bottom edge of the bottom plate of the gangue separation sieve 3-1 is smaller than that of the bottom plate of the gangue separation sieve 3-1 The included angle between the bevel edge and the long bottom edge of the bottom plate of the gangue separation sieve 3-1 is larger than the length of the guide channel at the edge part in the middle part.

Various modifications of the present embodiment will be described in detail below.

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

The short baffle 3-1-7 is perpendicular to the bottom plate of the gangue separation screen 3-1.

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

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

Two vibration motors 3-1-9 are provided.

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

An included angle between the rotating shaft of each vibration motor 3-1-9 and the bottom plate of the gangue separation screen 3-1 is 90 degrees, 69 degrees or 60 degrees.

And connecting points are distributed on the surface of the gangue separation screen 3-1.

the connection points are support connection points.

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

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

The hanging connection point is a hanging connection ring.

The support connection point is a guide connection rod.

Four hanging connection points are arranged.

there are four of the support connection points.

the number of the hanging connection points is two.

There are two of the support connection points.

As shown in FIG. 10, the gangue separation screen 3-1 sequentially 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.

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

As shown in fig. 11, the grid 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 sheet 3-1-2 is a rubber sheet.

The rubber plate is made of rubber.

The ventilation holes are distributed on the rubber plate.

A plurality of saw-tooth-shaped strips are distributed on the upper surface of the elastic plate 3-1-2.

The plurality of saw-tooth strips are juxtaposed with each other.

As shown in fig. 12 to 13, the direction in which the zigzag strips are inclined with respect to the long bottom edge of the elastic plate 3-1-2 is the same as 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 included angle between the zigzag strips and the long bottom edge of the elastic plate 3-1-2 is smaller than the included 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 strips in the middle part is greater than that of the zigzag strips in the edge parts, and the tips of the zigzag strips are 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, it is also possible that the zigzag bands are perpendicular to the long bottom edge of the elastic sheet 3-1-2, as shown in fig. 12 to 13.

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

The plurality of the division bars 3-1-3 are made of angle steel.

The plurality of flow guide channels are formed by a plurality of isolating strips 3-1-3.

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

The space between two adjacent isolating strips 3-1-3 forms one flow guide channel; the inclination direction of the plurality of isolating strips 3-1-3 relative to the long bottom edge of the elastic plate 3-1-2 is consistent with the inclination direction 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 isolating 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 isolating strips 3-1-3 in the middle part is larger than that of the zigzag strips at the edge parts;

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

the air distribution plate 3-1-1, the elastic plate 3-1-2 and the plurality of isolating 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 air guide plate 3-1-3 and the isolating bar 3-1-3-1 are fixedly connected by bolts.

As shown in fig. 5, the present embodiment provides a gangue sorting section 3 including a gangue separation screen 3-1 as described above.

As shown in FIG. 5, the gangue separation screen 3-1 is connected with an 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 separation screen 3-1 may be connected to the frame portion 1 by an elastic support member.

The lower end of the lifting rope 3-2 is connected with the gangue separation 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 a hole is 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 connecting 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 part of the suspender 3-3 is provided with a thread.

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

Four lifting ropes 3-2, four lifting rods 3-3 and four elastic connecting parts 3-4.

Of course, four elastic support members may be provided.

Of course, it is also possible to have two lifting ropes 3-2, two lifting rods 3-3, two elastic connecting members 3-4 and two elastic support members.

As shown in FIGS. 7 to 9, the bottom plate of the gangue separation screen 3-1 has four corners 3-1-4.

The vertexes of the four angles 3-1-4 are respectively 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.

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 located in the same plane.

After the gangue separation screen 3-1 is hung and/or supported, the first peak 3-1-4-1 is highest, and the third peak 3-1-4-3 and/or the fourth peak 3-1-4-4 is lowest;

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

the included angle between the bottom plate of the gangue separation 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 purifying and gangue removing machine, which includes the gangue sorting unit, the frame unit 1, the feeding unit 2, the discharging unit 4, the blowing unit 5, and the dust removing unit 6.

As shown in fig. 1 to 4, the rack part 1 includes a rack body 1-1, wheels 1-2, a cover body 1-3, hydraulic support columns 1-4, towing points 1-5, a distribution box 1-6, and a tool box 1-7.

The rack body 1-1 comprises a front rack body 1-1-1 and a rear rack 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 supporting columns 1-1-3.

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

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

Two or four wheels 1-2.

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 divided equally into two groups.

The two groups of wheels 1-2 are respectively arranged on 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 behind the cover bodies 1-3. And/or a door is arranged on the left surface of the cover body 1-3. And/or a door is arranged on the right side of the cover body 1-3. And/or a door is arranged on the top surface of the cover body 1-3.

The upper part of the front of the cover body 1-3 is provided with a feeding port 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 or the right side of the middle of the rear frame body 1-1-2.

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

Four hydraulic support columns 1-4 are provided. Of course, six hydraulic support columns 1-4 may be provided.

The four hydraulic supporting 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 distributed at the bottom of the rear frame body 1-1-2.

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

The towing and hanging point 1-5 is arranged on the bottom surface of the middle part of the front side of the front frame body 1-1-1.

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

As shown in fig. 1 to 5, the gangue separation section 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 separation screen 3-1 faces forwards.

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

As shown in fig. 1 to 4, the feeding part 2 is located on the front housing 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 quadrangular 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 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.

And a discharge hole of the belt conveyor 2-2 is positioned at the upper left of the front side of the gangue separation screen 3-1.

As shown in figures 1 and 9, the discharging part 4 is arranged below the inclined edge of the gangue separation 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 bevel edge of the gangue separation 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.

As shown in fig. 1 to 6, the air blowing part 5 includes an air blower 5-1.

The air outlet of the blower 5-1 is hermetically communicated with the air inlets of the plurality of air boxes 5-2 through a front air supply duct 5-3.

The air inlets of the air boxes 5-2 are provided with air door baffles 5-2-1.

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

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

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

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

And a plurality of air outlets are formed in the side wall of the side-blowing branch air supply duct 5-3-3 along the length direction.

A plurality of air outlets are formed in the inclined baffle 3-1-5 of the gangue separation screen 3-1 along the length direction.

And a plurality of air outlets of the inclined baffle 3-1-5 of the gangue separation screen 3-1 are respectively communicated with a plurality of air outlets on the inclined baffle 3-1-5 of the gangue separation screen 3-1 through a plurality of hoses 5-3-5 in a sealing manner.

An air outlet baffle 5-3-4 is arranged at an air outlet of the side-blowing branch air supply duct 5-3-3.

The air boxes 5-2 are distributed on the bottom surface of the gangue separation screen 3-1.

The air outlets of the air boxes 5-2 are distributed on the bottom surface of the gangue separation screen 3-1 in a juxtaposed mode.

And air outlets of the air boxes 5-2 are hermetically communicated with a bottom vent of the gangue separation screen 3-1.

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

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

And fixing holes are correspondingly formed between the horizontal plate of the angle steel 5-2-2 and the bottom plate of the gangue separation 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 separation sieve 3-1.

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

The shape of the air box 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 circular.

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

And an air inlet of the air blower 5-1 is communicated with an air outlet of the rear air delivery duct 5-5 in a sealing manner.

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 in the shape of a cone.

And 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.

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

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

Two dust removers 6-1 are provided.

Two of the 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 removing air ducts 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 air box 6-6 through two air collecting channels 6-7 in a sealing way.

And the gas collection air box 6-6 is positioned above the two dust collectors 6-1.

And the air outlet of the air collection air box 6-6 is hermetically communicated with the air inlet of the rear air supply channel 5-5.

The ash outlet of the dust remover 6-1 is hermetically communicated with the ash inlet of the ash removing hopper 6-4.

The ash outlet of the ash removing hopper 6-4 is hermetically communicated with the ash inlet of the electric ash discharging port 6-5.

Claims

1. A gangue coal separating screen is characterized in that: the shape of the bottom plate of the waste coal separating screen (3-1) is in a right trapezoid shape, the high side of the bottom plate of the waste coal separating screen (3-1-5) is provided with an inclined baffle (3-1-5), the included angle between the inclined baffle (3-1-5) and the bottom plate of the waste coal separating screen (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 waste coal separating screen (3-1), the included angle between the rotating shaft of the vibrating motor (3-1-9) and the bottom plate of the waste coal separating screen (3-1) is larger than 0 degree and smaller than or equal to 90 degrees, and viewed from the upper end of the rotating shaft of the vibrating motor (3-1-9), the rotating shaft of the vibrating motor (3-1-9) rotates clockwise, the long bottom edge of the bottom plate of the gangue separation sieve (3-1) is provided with a long baffle (3-1-6), the short bottom edge of the bottom plate of the gangue separation sieve (3-1) is provided with a short baffle (3-1-7), a plurality of ventilation openings are distributed on the bottom plate of the gangue separation sieve (3-1), a plurality of guide channels are distributed on the upper surface of the bottom plate of the gangue separation sieve (3-1) and are parallel to each other, the inclination direction of the guide channels relative to the long bottom edge of the bottom plate of the gangue separation sieve (3-1) is consistent with the inclination direction of the bevel edge of the bottom plate of the gangue separation sieve (3-1) relative to the long bottom edge of the gangue separation sieve (3-1), the included angle between the guide channel and the long bottom edge of the bottom plate of the gangue separation sieve (3-1) is smaller than the included angle between the bevel edge of the bottom plate of the gangue separation sieve (3-1) and the long bottom edge of the bottom plate of the gangue separation sieve (3-1), and the length of the guide channel in the middle is larger than that of the guide channel in the edge.

2. The gangue separation screen of claim 1, wherein:

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

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

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

two vibration motors (3-1-9) are provided;

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

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

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

the connection point is a hanging connection point; alternatively, the first and second electrodes may be,

the connection point is a support connection point;

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

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

the hanging connection point is a hanging connection ring;

the support connection point is a guide connecting rod;

four hanging connection points are arranged;

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

four support connection points are arranged;

the four supporting connection points are distributed in a small right trapezoid shape; alternatively, the first and second electrodes may be,

two hanging connection points are provided;

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 separation screen (3-1) sequentially 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;

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

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

the ventilation 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 air vents are distributed on the rubber plate;

a plurality of saw-tooth-shaped strips are distributed on the upper surface of the elastic plate (3-1-2);

a plurality of said zigzag strips are juxtaposed to one another;

the direction of the inclination of the sawtooth-shaped strips relative to the long bottom edge of the elastic plate (3-1-2) is consistent with the direction of the 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 sawtooth-shaped strips 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), the length of the sawtooth-shaped strips at the middle part is larger than that at the edge parts, and the tooth tips of the sawtooth-shaped strips are 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); alternatively, the first and second electrodes may be,

the sawtooth-shaped strips are vertical to the long bottom edge of the elastic plate (3-1-2);

the cross section of each sawtooth-shaped strip is in a right-angled triangle shape;

the plurality of isolating bars (3-1-3) are made of angle steel:

the plurality of flow guide channels are formed by a plurality of isolating strips (3-1-3);

a plurality of said spacers (3-1-3) being parallel to each other;

the space between two adjacent isolating strips (3-1-3) forms one flow guide channel; the inclination direction of the plurality of isolating strips (3-1-3) relative to the long bottom edge of the elastic plate (3-1-2) is consistent with the inclination direction 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 isolating 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 isolating strips (3-1-3) in the middle part is larger than that of the sawtooth-shaped strips at the edge parts;

the air distribution plate (3-1-1), the elastic plate (3-1-2) and the plurality of isolating strips (3-1-3) are respectively and correspondingly provided with a fixing hole;

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

3. The utility model provides a waste rock sorting unit which characterized in that: the gangue separation section (3) comprising a gangue separation screen (3-1) as claimed in claim 1 or 2.

4. The gangue sorting section according to claim 3, wherein:

the gangue separation screen (3-1) is connected with the upper beam frame (3-5) sequentially through a lifting rope (3-2), a suspender (3-3) and an elastic connecting part (3-4); and/or the gangue separation 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 separation 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 washer and two nuts;

the spring is placed in a 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 a thread;

the washer and the two nuts are fixed at the upper end of the hanger rod (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;

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

four lifting ropes (3-2), four lifting rods (3-3) and four elastic connecting parts (3-4); and/or, there are four elastic support members; alternatively, the first and second electrodes may be,

the lifting rope (3-2) is provided with two lifting rods (3-3), the elastic connecting part (3-4) is provided with two elastic supporting parts;

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

the vertexes of the four angles (3-1-4) are respectively 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);

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 the gangue separation screen (3-1) is hung and/or supported, the first peak (3-1-4-1) is highest, and the third peak (3-1-4-3) and/or the fourth peak (3-1-4-4) is lowest;

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

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

5. A coal purification gangue removing machine is characterized in that: the gangue separation part, the frame part (1), the feeding part (2), the discharging part (4), the air supply part (5) and the dust removal part (6) are arranged according to claim 3 or 4.

6. The coal purification gangue-removing machine as claimed in claim 5, characterized in that:

the frame part (1) comprises a frame body (1-1), wheels (1-2), a cover body (1-3), hydraulic support columns (1-4), dragging and hanging points (1-5), a distribution box (1-6) and a tool box (1-7);

the rack body (1-1) comprises a front rack body (1-1-1) and a rear rack 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 supporting columns (1-1-3);

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

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

two or four wheels (1-2);

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 divided into two groups on average;

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 rack 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 behind the cover body (1-3); and/or a door is arranged on the left surface of the cover body (1-3); and/or a door is arranged on the right side of the cover body (1-3); and/or a door is arranged on the top surface of the cover body (1-3);

a feeding port (1-3-1) is arranged at the upper part of the front surface of the cover body (1-3);

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 or the right side of the middle part of the rear frame body (1-1-2);

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

four or six hydraulic supporting columns (1-4);

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

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

the towing and hanging point (1-5) is arranged on the bottom surface of the middle part of the front side of the front frame body (1-1-1);

the shapes of the dragging and hanging points (1-5) are cylindrical.

7. The coal purification gangue-removing machine as claimed in claim 6, characterized in that:

the gangue sorting 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 separation screen (3-1) faces forwards;

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

8. The coal purification gangue-removing machine as claimed in claim 7, characterized in that:

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 quadrangular 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);

a feed inlet of the material bin (2-1) corresponds to a feed inlet at the upper part of the front 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);

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

and a discharge hole of the belt conveyor (2-2) is positioned at the left upper part of the front side of the gangue separation screen (3-1).

9. The coal purification gangue-removing machine as claimed in claim 8, characterized in that:

the discharging part (4) is arranged below the bevel edge of the gangue separation 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 bevel edge of the gangue separation sieve (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-removing machine as claimed in claim 9, characterized in that:

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

the air outlet of the air feeder (5-1) is hermetically communicated with the air inlets of the air boxes (5-2) through a front air supply duct (5-3);

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

the rear part of the front air supply 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 supply duct (5-3) in a sealing way through a high-temperature resistant connecting component (5-4-1);

the front part of the front air supply duct (5-3) is distributed with a side branch air supply duct (5-3-3) and a plurality of upper branch air supply ducts (5-3-2);

the plurality of upper blowing branch air supply ducts (5-3-2) are respectively communicated with the 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 supply duct (5-3-3) is provided with a plurality of air outlets along the length direction;

a plurality of air outlets are formed in the inclined baffle (3-1-5) of the gangue separation sieve (3-1) along the length direction;

a plurality of air outlets of the inclined baffle (3-1-5) of the gangue separation screen (3-1) are respectively communicated with a plurality of air outlets on the inclined baffle (3-1-5) of the gangue separation screen (3-1) through a plurality of hoses (5-3-5);

an air outlet baffle (5-3-4) is arranged at an air outlet of the side-blowing branch air supply duct (5-3-3);

the plurality of wind boxes (5-2) are distributed on the bottom surface of the gangue separation screen (3-1);

the air outlets of the air boxes (5-2) are distributed on the bottom surface of the gangue separation screen (3-1) in a row and column manner;

air outlets of the air boxes (5-2) are hermetically communicated with a bottom surface ventilation opening of the gangue separation sieve (3-1);

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

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 formed between the horizontal plate of the angle steel (5-2-2) and the bottom plate of the gangue separation screen (3-1);

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

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

the shape of the air box (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 circular;

a honeycomb baffle plate 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 feeding 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 in a cone 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 removing air duct (6-8) is communicated with the air outlet of the dust removing cover (6-3) in a sealing way;

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

two dust removers (6-1) are provided;

the two dust removers (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 removing air ducts (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 air box (6-6) through two air collecting air channels (6-7) in a sealing way;

the gas collection air box (6-6) is positioned above the two dust collectors (6-1);

the air outlet of the air collection air box (6-6) is hermetically communicated with the air inlet of the rear air supply channel (5-5);

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.