CN112264304A

CN112264304A - Fine material sorting and dedusting system

Info

Publication number: CN112264304A
Application number: CN202011179941.8A
Authority: CN
Inventors: 杨国俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-01-26

Abstract

The invention discloses a fine material sorting and dust removing system, wherein a mountain flour fine sand separating chamber, a vibrating screening machine and a wind power impact screening and dust removing chamber are sequentially arranged on an integral support from top to bottom, stone materials and mountain flour are separated by sequentially passing 3mm fine stone materials through the mountain flour fine sand separating chamber, the vibrating screening machine and the wind power impact screening and dust removing chamber, and the separated mountain flour enters a dust extraction main pipeline through a dust extraction branch pipeline, so that the separation of the stone materials and the mountain flour is completed; the whole support is sequentially provided with a settling chamber, a cyclone dust collector and a dust-containing gas purification chamber from top to bottom, stone dust in a dust pumping main pipeline is sent into the settling chamber under the action of a dust pumping fan, and the clean gas discharged from the dust-containing gas purification chamber is ensured through the treatment of the cyclone dust collector and the dust-containing gas purification chamber in sequence, and the collection of the stone dust is ensured.

Description

Fine material sorting and dedusting system

Technical Field

The invention belongs to the field of stone sorting and dust removing systems, and particularly relates to a fine material sorting and dust removing system.

Background

In the process of stone treatment, large stones are uniformly fed into a jaw crusher or a hammer crusher for coarse crushing through a bin by a vibrating feeder, the coarsely crushed stones are fed into a cone crusher (or a counterattack crusher) for intermediate crushing through a belt conveyor, the intermediately crushed stones are fed into a vibrating screening sieve machine for screening through the belt conveyor, finished sand (undersize products) are fed into a sand washer for cleaning through the belt conveyor and then are fed into a finished product pile through the belt conveyor, large stones (oversize products) are fed into an impact type stone shaping machine for fine crushing through the belt conveyor, the vibrating screening sieve machine is generally of a two-layer sieve structure, the vibrating screening sieve machine of a three-layer structure is also a fine material vibrating screening sieve machine, but a large amount of stone dust is generated when the vibrating screening sieve machine, the impact type stone shaping machine and other crushers work, some stone dust is doped in stones, and some stone dust is attached to stones, however, stone dust is widely used and products made therefrom are ubiquitous in our lives, for example: plastics, calcium tablets, cosmetics, clothing, toothpaste, etc.; moreover, if stone dust adheres to stone materials, the quality of finished stone materials can be affected, particularly in the process of treating 3mm fine stone materials, the stone materials are difficult to separate from the stone powder and collect the stone powder due to the fact that the stone materials are thin, and the existing dust removal mode generally adopts a settling chamber or a cyclone dust collector and the like, but when the cyclone dust collector is used for treating the stone dust, the discharged gas still contains the stone dust, so that the discharged gas is not purified, and a part of the stone dust can be lost.

Disclosure of Invention

The invention aims to: the fine material sorting and dedusting system can separate stone materials from stone powder and collect stone powder aiming at 3mm fine stone materials.

The technical scheme adopted by the invention is as follows:

a fine material sorting and dust removing system comprises a vibrating screening machine, a settling chamber and a cyclone dust collector; the method is characterized in that: the device also comprises an integral support, a stone powder and fine sand separation chamber, a wind power impact screening and dust removing chamber, a dust-containing gas purification chamber and a dust pumping main pipeline;

the integral support is sequentially provided with a fine mountain flour and sand separation chamber, a vibrating screening machine and a wind power impact screening dust removal chamber from top to bottom, and the fine mountain flour and sand separation chamber is sequentially connected with the vibrating screening machine and the wind power impact screening dust removal chamber; dust extraction branch pipelines are arranged on the stone powder fine sand separation chamber, the vibration screening machine and the wind power impact screening dust removal chamber, and each dust extraction branch pipeline is communicated with the dust extraction main pipeline;

the integral support is sequentially provided with a settling chamber, a cyclone dust collector and a dust-containing gas purification chamber from top to bottom, and the settling chamber is sequentially connected with the cyclone dust collector and the dust-containing gas purification chamber;

the upper end of the dust extraction main pipeline is connected with the settling chamber, and the upper end of the dust extraction main pipeline is provided with a dust extraction fan.

The further technical scheme is as follows: the stone powder and fine sand separation chamber comprises a separation chamber body, a hole sieve plate, an air supply device and a dust removal device; the bottom of the left side of the separation chamber body is provided with a first discharge hole, and the top of the right side of the separation chamber body is provided with a first feed hole; the lower end of the right side of the separation chamber body is provided with an air supply inlet, and the upper end of the left side of the separation chamber body is provided with a dust outlet; the hole sieve plate is positioned in the separation chamber body, the upper end of the hole sieve plate is fixed on the right side of the first feed port, the lower end of the hole sieve plate is fixed on the right side of the first discharge port, a plurality of conical holes are uniformly distributed on the hole sieve plate, and the hole sieve plate divides the interior of the separation chamber body into two spaces; the caliber of the conical hole is gradually reduced along the direction from the air supply inlet to the dust outlet; the air supply device comprises an air supply pipeline and an air feeder, the air feeder is provided with an air outlet, one end of the air supply pipeline is fixedly connected with an air supply inlet, and the other end of the air supply pipeline is fixedly connected with the air outlet; the dust collecting device comprises a dust collecting pipeline, and the dust collecting pipeline is fixedly connected with a dust pumping branch pipeline corresponding to the stone powder and fine sand separating chamber; a conical discharge hopper is fixed at the lower end of the first discharge hole of the separation chamber body.

The further technical scheme is as follows: the mesh sieve plate is in a ladder shape from top to bottom.

The further technical scheme is as follows: the hole sieve plate includes outer frame and a plurality of sub-sieve, and is a plurality of have the clearance between the sub-sieve, and be a plurality of the sub-sieve is the echelonment and distributes, and is a plurality of the sub-sieve all is fixed with outer frame.

The further technical scheme is as follows: the wind power impact screening dust removal chamber comprises a dust removal chamber body, a fan and an impacted slat; the lower part of one end of the dedusting chamber body in the horizontal direction is provided with an air inlet channel, the upper part of the other end of the dedusting chamber body in the horizontal direction is provided with an air outlet channel, one end of the air inlet channel, which is connected with the dedusting chamber body, extends into the dedusting chamber body, the bottom of one end, which is positioned in the dedusting chamber body, of the air inlet channel extends out of a bearing plate, one side, which is close to the air inlet channel, of the top of the dedusting chamber body is provided with a second feed inlet, and the bottom of the dedusting chamber body is provided with; the fan is provided with an air supply pipeline which is communicated with the air inlet channel; the collision slat comprises a plurality of collision slats which are uniformly distributed and fixed in the dedusting chamber body, the length direction of the collision slats is in the vertical direction, and the upper end and the lower end of each collision slat are fixed with the dedusting chamber body; the width directions of all the collided strip plates in the horizontal direction from the air inlet channel to the air outlet channel are distributed in a zigzag shape, the discharge hole is positioned between two adjacent collided strip plates in the horizontal direction from the air inlet channel to the air outlet channel, and the dust extraction branch pipeline on the wind power collision screening dust removal chamber is coaxially and fixedly connected with the free end of the air outlet channel; a receiving hopper is fixed at the bottom of the dedusting chamber body, a plurality of strip-shaped discharging holes are all positioned in the receiving hopper, and a second discharging hole is formed in the bottom of the receiving hopper; the bottom of the air outlet channel forms an angle with the vertical direction.

The further technical scheme is as follows: one end of the air inlet channel, which is positioned outside the dedusting chamber body, is of a square structure, one end of the air inlet channel, which is positioned inside the dedusting chamber body, is of a rectangular structure, and two ends of the air inlet channel are in smooth transition; the included angle between the bottom of the air inlet channel and the horizontal direction is larger than the included angle between the top of the air inlet channel and the horizontal direction.

The further technical scheme is as follows: the bearing plate is positioned right below the second feeding hole.

The further technical scheme is as follows: the dust-containing gas purification chamber comprises a frame, a purification chamber frame, a floating bearing assembly, filter cloth, a vibrator and a dust collection bin; the top of the clean room frame is provided with an air inlet, the bottom of the clean room frame is provided with an outlet, the clean room frame is positioned on the rack, and the upper part and the lower part of the clean room frame are connected with the rack by two or more floating bearing assemblies; the floating bearing assembly comprises a support, a pressure spring and a bearing plate, the support is fixed on the frame, a sliding rod is fixed at the top of the support, the bearing plate is fixed on the side surface of the purification chamber frame, a sliding hole is formed in the bearing plate along the vertical direction, and the bearing plate is sleeved on the sliding rod through the sliding hole and is in sliding connection with the sliding rod; the pressure spring is sleeved on the sliding rod, the upper end of the pressure spring is in contact with the bearing plate, and the lower end of the pressure spring is in contact with the support; the filter cloth is coated outside the purifying chamber frame and fixed with the purifying chamber frame; the vibrator is fixed on the side surface of the purifying chamber frame and is used for vibrating the purifying chamber frame up and down; the dust collection bin is positioned below the clean room frame and is fixed with the frame, the lower end of the clean room frame is connected with the upper end of the dust collection bin by virtue of an annular sleeve, and the annular sleeve is provided with a waveform fold; the cyclone dust collector is provided with an exhaust port, and the exhaust port is connected with the air inlet through a corrugated hose.

The further technical scheme is as follows: the top of the dust collection bin is provided with an inlet, the bottom of the dust collection bin is provided with a dust outlet, and a valve is arranged at the dust outlet.

The further technical scheme is as follows: the whole purifying chamber frame is of a conical structure with a thin upper end and a thick lower end; and the top of the clean room frame is provided with a top cover, and the air inlet is positioned on the top cover.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

according to the invention, a mountain flour fine sand separation chamber, a vibration screening machine and a wind power impact screening dust removal chamber are sequentially arranged on an integral support from top to bottom, the mountain flour fine sand separation chamber is sequentially connected with the vibration screening machine and the wind power impact screening dust removal chamber, dust-pumping branch pipelines are respectively arranged on the mountain flour fine sand separation chamber, the vibration screening machine and the wind power impact screening dust removal chamber, and each dust-pumping branch pipeline is communicated with a dust-pumping main pipeline; the stone and the stone powder are separated by sequentially passing 3mm fine stone through a stone powder fine sand separation chamber, a vibration screening machine and a wind power impact screening dust removal chamber, and the separated stone powder enters a dust extraction main pipeline through a dust extraction branch pipeline, so that the stone and the stone powder are separated, and the stone is easier to separate from stone powder dust in the dynamic flowing process;

set gradually the deposit room from last to down on the monolith support, cyclone and dirty gas clean room, and the deposit room connects gradually cyclone and dirty gas clean room, take out dirt main pipe upper end and be connected with the deposit room, and take out dirt main pipe upper end and be provided with the dust exhaust fan, the mountain flour dust that is located to take out dirt main pipe sends into the deposit room under the effect of dust exhaust fan, and pass through cyclone and dirty gas clean room's processing in proper order, guarantee from the clean gas of dirty gas clean room exhaust, and guarantee the collection to the mountain flour.

Drawings

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

FIG. 2 is a schematic view of the structure of a stone dust and fine sand separation chamber according to the present invention;

FIG. 3 is a schematic top view of the separation chamber body of the stone dust and fine sand separation chamber of the present invention;

FIG. 4 is a schematic view of the construction of the perforated screen plate of the stone dust and fine sand separation chamber according to the present invention;

FIG. 5 is a schematic view of another side of the perforated screen plate according to the present invention;

FIG. 6 is a schematic structural view of a wind impact screening dust chamber according to the present invention;

FIG. 7 is a schematic diagram of the distribution structure of the collided slats of the wind impact screening dust chamber of the invention;

FIG. 8 is a schematic view of the bottom structure of the dedusting chamber body of the wind impact screening dedusting chamber of the present invention

FIG. 9 is a schematic structural view of a dust-laden gas cleaning chamber according to the present invention;

FIG. 10 is a schematic top view of a dust-laden gas cleaning chamber according to the present invention;

FIG. 11 is a schematic view of the connection structure of the frame and the filter cloth of the clean room for cleaning the dust-containing gas according to the present invention

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1-11, a fine material sorting and dust removing system comprises a vibrating screening machine 3, a settling chamber 7 and a cyclone dust collector 8; the method is characterized in that: the device comprises an integral support 1, a stone powder and fine sand separation chamber 2, a wind power impact screening and dust removing chamber 4, a dust-containing gas purification chamber 9 and a dust pumping main pipeline 5; the integral support 1 is sequentially provided with a mountain flour fine sand separation chamber 2, a vibrating screening machine 3 and a wind power impact screening dust removal chamber 4 from top to bottom, and the mountain flour fine sand separation chamber 2 is sequentially connected with the vibrating screening machine 3 and the wind power impact screening dust removal chamber 4; the stone powder and fine sand separation chamber 2, the vibration screening machine 3 and the wind power impact screening dust removal chamber 4 are respectively provided with a dust extraction branch pipe 6, and each dust extraction branch pipe 6 is communicated with a dust extraction main pipe 5; the integral support 1 is sequentially provided with a settling chamber 7, a cyclone dust collector 8 and a dust-containing gas purification chamber 9 from top to bottom, and the settling chamber 7 is sequentially connected with the cyclone dust collector 8 and the dust-containing gas purification chamber 9; the upper end of the dust extraction main pipeline 5 is connected with the settling chamber 7, and the upper end of the dust extraction main pipeline 5 is provided with a dust extraction fan 10.

The stone material with the thickness less than 3mm is sent into the fine stone powder and sand separating chamber 2 through a lifting conveyor, the stone material falls into the vibrating screening machine 3 for screening after coming out from the fine stone powder and sand separating chamber 2, the screened coarser stone material falls into the interior of the wind power impact screening dust removing chamber 4, and the stone material coming out from the wind power impact screening dust removing chamber 4 is the finished stone material without stone powder.

A dust extraction branch pipe 6 is arranged on a shell of the existing vibration screening machine 3, and the dust extraction branch pipe 6 is communicated with the inner space of the shell.

In the invention, a mountain flour fine sand separation chamber 2, a vibration screening machine 3 and a wind power impact screening dust removal chamber 4 are sequentially arranged on an integral support 1 from top to bottom, the mountain flour fine sand separation chamber 2 is sequentially connected with the vibration screening machine 3 and the wind power impact screening dust removal chamber 4, dust-pumping branch pipelines 6 are respectively arranged on the mountain flour fine sand separation chamber 2, the vibration screening machine 3 and the wind power impact screening dust removal chamber 4, and each dust-pumping branch pipeline 6 is connected and communicated with a dust-pumping main pipeline 5; the stone materials and the stone powder are separated by sequentially passing the 3mm fine stone materials through a stone powder fine sand separation chamber 2, a vibration screening machine 3 and a wind power impact screening dust removal chamber 4, and the separated stone powder enters a dust extraction main pipeline 5 through a dust extraction branch pipeline 6, so that the stone materials and the stone powder are separated;

on the integral support 1 from last to setting gradually settling chamber 7 down, cyclone 8 and dirty gas clean room 9, and settling chamber 7 connects gradually cyclone 8 and dirty gas clean room 9, take out the main pipeline 5 upper end of dirt and be connected with settling chamber 7, and take out the main pipeline 5 upper end of dirt and be provided with dust exhaust fan 10, the mountain flour dust that is located to take out the main pipeline 5 of dirt sends into settling chamber 7 under dust exhaust fan 10's effect, and pass through cyclone 8 and dirty gas clean room 9's processing in proper order, guarantee from the clean gas of dirty gas clean room 9 exhaust, and guarantee the collection to the mountain flour.

The stone powder fine sand separation chamber 2 comprises a separation chamber body 101, a hole sieve plate 201, an air supply device and a dust removal device; the left bottom of the separation chamber body 101 is provided with a first discharge hole 301, and the right top of the separation chamber body 101 is provided with a first feed hole 401; the lower end of the right side of the separation chamber body 101 is provided with an air supply inlet 501, and the upper end of the left side of the separation chamber body 101 is provided with a dust outlet 601; the hole sieve plate 201 is positioned in the separation chamber body 101, the upper end of the hole sieve plate 201 is fixed on the right side of the first feeding hole 401, the lower end of the hole sieve plate 201 is fixed on the right side of the first discharging hole 301, a plurality of conical holes 701 are uniformly distributed on the hole sieve plate 201, and the hole sieve plate 201 divides the interior of the separation chamber body 101 into two spaces; the caliber of the conical hole 701 is gradually reduced along the direction from the air supply inlet 501 to the dust outlet 601; the air supply device comprises an air supply pipeline 801 and an air blower 901, the air blower 901 is provided with an air outlet, one end of the air supply pipeline 801 is fixedly connected with the air supply inlet 501, and the other end of the air supply pipeline 801 is fixedly connected with the air outlet; the dust collecting device comprises a dust collecting pipeline 1001, and the dust collecting pipeline 1001 is fixedly connected with a dust pumping branch pipeline 6 corresponding to the fine stone dust separating chamber 2; a conical discharge hopper 1301 is fixed at the lower end of the first discharge hole 301 of the separation chamber body 101; the hole sieve plate 201 is in a step shape from top to bottom. The hole screen plate 201 comprises an outer frame 1401 and a plurality of sub-screen plates 1501, gaps are formed among the sub-screen plates 1501, the sub-screen plates 1501 are distributed in a step shape, and the sub-screen plates 1501 are fixed with the outer frame 1401.

The left bottom of the separation chamber body 101 is provided with a first discharge hole 301, and the right top of the separation chamber body 101 is provided with a first feed hole 401; the lower end of the right side of the separation chamber body 101 is provided with an air supply inlet 501, the upper end of the left side of the separation chamber body 101 is provided with a dust outlet 601, stone enters the separation chamber body 101 from a first feeding hole 401, is discharged from a first discharging hole 301 and falls into the vibrating screening machine 3 for screening; the perforated sieve plate 201 is positioned in the separation chamber body 101, the upper end of the perforated sieve plate 201 is fixed on the right side of the first feeding hole 401, the lower end of the perforated sieve plate 201 is fixed on the right side of the first discharging hole 301, and the perforated sieve plate 201 divides the interior of the separation chamber body 101 into two spaces; after entering the separation chamber body 101, stone powder fine sand materials fall on the hole sieve plate 201 and slide downwards on the hole sieve plate 201 to the first discharge hole 301, and stone powder attached to the fine sand is easier to separate in the sliding process of the hole sieve plate 201; the air supply device comprises an air supply pipeline 801 and an air blower 901, the air blower 901 is provided with an air outlet, one end of the air supply pipeline 801 is fixedly connected with the air supply inlet 501, and the other end of the air supply pipeline 801 is fixedly connected with the air outlet; air is supplied into the separation chamber body 101 from an air supply inlet 501 through an air supply machine 901 by means of an air supply pipeline 801, and as a plurality of conical holes 701 are uniformly distributed on the hole sieve plate 201, air flow can pass through the conical holes 701 and blow stone powder fine sand materials sliding to the hole sieve plate 201, so that stone powder doped in the fine sand can be blown away from the fine sand to separate the fine sand and the fine sand; the caliber of the conical hole 701 is gradually reduced along the direction from the air supply inlet 501 to the dust outlet 601, so that the air flow entering the conical hole 701 is gradually reduced, the air flow speed is increased, the stone powder blowing force can be improved, and fine sand of the stone powder is prevented from leaking from the conical hole 701 while air is blown; the hole sieve plate 201 is stepped from top to bottom, when the stepped hole sieve plate 201 enables the fine mountain flour sand to slide to the junction of the previous step and the next step, due to the quality difference of the mountain flour and the fine sand, the separation of the mountain flour and the fine sand is facilitated, and the coarse stone screened from the vibrating screening machine 3 falls into the wind power impact screening dust chamber 4. The hole sieve plate 201 is stepped from top to bottom, and the stepped hole sieve plate 2201 can enable the mountain flour fine sand to be separated more favorably due to the quality difference of mountain flour and the fine sand stone when the mountain flour fine sand slides to the junction of the previous step and the next step. A conical discharge hopper 1301 is fixed at the lower end of the first discharge port 301 of the separation chamber body 101, and the separated fine sand can be discharged from the conical discharge hopper 1301 in a centralized manner through the first discharge port 301. The hole sieve plate 201 comprises an outer frame 1401 and a plurality of sub-sieve plates 1501, gaps are formed among the sub-sieve plates 1501, the sub-sieve plates 1501 are distributed in a ladder shape, the sub-sieve plates 1501 are all fixed with the outer frame 1401, stone cannot pass through the gaps among the sub-sieve plates 1501, but wind generated by the blower 901 can pass through the gaps, the effect of removing dust in the stone can be further improved, the stone is easier to be separated from the dust when passing through the gaps, the hole sieve plate 201 is connected and fixed with the separation chamber body 1 through the outer frame, the outer frame 1401 is fixed with the separation chamber body 101 through bolts, the hole sieve plate 201 and the outer frame 1401 are fixed through bolts, the hole sieve plate 201 can be made of a silica gel plate or a steel plate, the tapered holes 701 are of a four-edge-hole-shaped structure, fine sand can be suspended on the hole sieve plate 201 under the action of airflow when passing through the tapered holes 701, and is favorable for separating the fine, and further prevents fine sand from escaping the tapered bore 701.

The wind power impact screening dust removal chamber 4 comprises a dust removal chamber body 102, a fan 202 and a collided slat 302; the lower part of one end of the dedusting chamber body 102 in the horizontal direction is provided with an air inlet channel 402, the upper part of the other end of the dedusting chamber body 102 in the horizontal direction is provided with an air outlet channel 502, one end of the air inlet channel 402 connected with the dedusting chamber body 102 extends into the dedusting chamber body 102, the bottom of one end of the air inlet channel 402 located inside the dedusting chamber body 102 extends out of a bearing plate 602, one side of the top of the dedusting chamber body 102 close to the air inlet channel 402 is provided with a second feeding hole 702, and the bottom of the dedusting chamber body 102 is provided with a plurality of strip-shaped discharge holes 802; the fan 202 is provided with an air supply pipeline which is communicated with the air inlet channel 402; the plurality of the hit laths 302 are uniformly distributed and fixed inside the dust chamber body 102, the length direction of the hit laths 302 is in the vertical direction, and the upper ends and the lower ends of the hit laths 302 are fixed with the dust chamber body 102; the width directions of all the impacted strips 302 in the horizontal direction from the air inlet channel 402 to the air outlet channel 502 are distributed in a zigzag shape, the discharge hole 802 is positioned between two adjacent impacted strips 302 in the horizontal direction from the air inlet channel 402 to the air outlet channel 502, and the dust extraction branch pipe on the wind power impact screening dust removal chamber is coaxially and fixedly connected with the free end of the air outlet channel 502; a receiving hopper 902 is fixed at the bottom of the dedusting chamber body 102, a plurality of strip-shaped discharging holes 802 are all positioned in the receiving hopper 902, and a second discharging hole 1002 is formed in the bottom of the receiving hopper 902; the bottom of the air outlet channel 502 forms an angle with the vertical direction. One end of the air inlet channel 402, which is positioned outside the dedusting chamber body 102, is in a square structure, one end of the air inlet channel 402, which is positioned inside the dedusting chamber body 102, is in a rectangular structure, and two ends of the air inlet channel 402 are in smooth transition; the included angle between the bottom of the air inlet channel 402 and the horizontal direction is larger than the included angle between the top of the air inlet channel 402 and the horizontal direction, and the bearing plate 602 is located under the second feed inlet 702.

The lower part of one end of the dedusting chamber body 102 in the horizontal direction is provided with an air inlet channel 402, the upper part of the other end of the dedusting chamber body 102 in the horizontal direction is provided with an air outlet channel 502, one end of the air inlet channel 402 connected with the dedusting chamber body 102 extends into the dedusting chamber body 102, one side of the top of the dedusting chamber body 102 close to the air inlet channel 402 is provided with a second feed inlet 702, and the bottom of the dedusting chamber body 102 is provided with a plurality of strip-shaped discharge holes 802; the fan 202 is provided with an air supply pipeline which is communicated with the air inlet channel 402, a plurality of the hit ribbon boards 302 are evenly distributed and fixed inside the dust chamber body 102, all the hit laths 302 in the horizontal direction from the air inlet channel 402 to the air outlet channel 502 are distributed in a zigzag shape in the width direction, and the stone material is discharged from the vibrating screen sifter 3 and then falls into the dust chamber body 102 through the second feed opening 702, the stone is blown toward the striker plate 302 by the wind generated from the fan 202, and the moving path of the stone is in a zigzag shape by the blocking of the striker plate 302, and the stone powder on the hit ribbon board 302 falls off once when the stone collides once, and the fallen stone powder enters the air outlet channel 502 along with the air flow to be convenient for collecting the stone powder, and the stone falls under the blocking action of the striking plate 302 under the self-gravity and is discharged from the discharging hole 802 at the bottom of the dedusting chamber body 102; the bottom of the end of the air inlet channel 402 inside the dedusting chamber body 102 extends out of the receiving plate 602, and the receiving plate 602 can receive the rock material falling from the second feeding port 702, so that the rock material entering the dedusting chamber body 102 can be collided with the collided slat 302 by the force of the air flow generated by the fan 202. The blower 202 is a roots blower, and the wind power is stronger, so that fine stones can be blown to the collided slat 302. One end of the air inlet channel 402, which is positioned outside the dedusting chamber body 102, is in a square structure, one end of the air inlet channel 402, which is positioned inside the dedusting chamber body 102, is in a rectangular structure, and two ends of the air inlet channel 402 are in smooth transition; the included angle between the bottom of the air inlet channel 402 and the horizontal direction is larger than the included angle between the top of the air inlet channel 402 and the horizontal direction. The airflow passing through the air inlet channel 402 can be widened and thinned, the impact force of the airflow on the fine stones is increased, and the force of the fine stones impacting the collided strip plate 302 is further increased, so that the stone powder is further ensured to be separated from the stones; the angle between the bottom of the air inlet channel 402 and the horizontal direction is larger than the angle between the top of the air inlet channel 402 and the horizontal direction, so that the airflow entering the interior of the dedusting chamber body 102 is inclined upwards, and further the stone can collide with the collided strip plate 302. The bottom of the dedusting chamber body 102 is fixed with a receiving hopper 902, a plurality of strip-shaped discharging holes 802 are located inside the receiving hopper 902, and the bottom of the receiving hopper 902 is provided with a second discharging hole 1002. The receiving hopper 902 is used for receiving and collecting stone discharged from the discharging hole 802 having a bar shape. The accept plate 602 is located directly below the second feed inlet 702 to ensure that the rock material falls directly onto the accept plate 602. The bottom of the air outlet channel 502 forms an angle with the vertical direction, so that airflow can blow stone powder to move towards the air outlet channel 502, the stone powder can enter the air outlet channel 502, and stone materials fall into the vibrating screening machine 3 for further screening after coming out from the second material outlet 1002.

The dirty gas inside the dust exhaust main pipe 5 is sent into the settling chamber 7 through the dust exhaust fan 10 and sequentially passes through the cyclone dust collector 8 and the dirty gas purifying chamber 9, the mountain flour dust in the dirty gas is collected through the settling chamber 7 and the cyclone dust collector 8, but the part of the gas discharged through the cyclone dust collector 8 is still not collected by the cyclone dust collector 8, and then the gas discharged through the cyclone dust collector 8 is further purified through the dirty gas purifying chamber 9.

The dust-containing gas purification chamber 9 comprises a frame 103, a purification chamber frame 203, a floating bearing assembly, filter cloth 303, a vibrator 403 and a dust collection bin 503; the top of the clean room frame 203 is provided with an air inlet 603, the bottom of the clean room frame 203 is provided with an outlet 703, the clean room frame 203 is positioned on the rack 103, and the upper part and the lower part of the clean room frame 203 are connected with the rack 103 by two or more floating bearing components; the floating bearing assembly comprises a support 803, a pressure spring 903 and a bearing plate 1003, the support 803 is fixed on the rack 103, a sliding rod 1703 is fixed at the top of the support 803, the bearing plate 1003 is fixed on the side surface of the clean room frame 203, a sliding hole is formed in the bearing plate 1003 along the vertical direction, and the bearing plate 1003 is sleeved on the sliding rod 1703 through the sliding hole and is in sliding connection with the sliding rod 1703; the pressure spring 903 is sleeved on the sliding rod 1703, the upper end of the pressure spring 903 is in contact with the bearing plate 1003, and the lower end of the pressure spring 903 is in contact with the support 803; the filter cloth 303 is coated outside the purifying chamber frame 203 and fixed with the same; the vibrator 403 is fixed on the side surface of the clean room frame 203 and is used for vibrating the clean room frame 203 up and down; the dust collection bin 503 is positioned below the clean room frame 203 and is fixed with the frame 103, the lower end of the clean room frame 203 is connected with the upper end of the dust collection bin 503 through an annular sleeve 1803, and the annular sleeve 1803 is provided with a wave-shaped fold; the cyclone 8 has an exhaust opening, the line leading to the inlet 603 of which is connected to the inlet 603 by means of a bellows hose. The top of the dust collecting bin 503 is provided with an inlet 1103, the bottom of the dust collecting bin 503 is provided with a dust outlet 1203, and a valve 1303 is arranged at the dust outlet 1203. The whole purifying chamber frame 203 is of a conical structure with a thin upper end and a thick lower end; and the top of the clean room frame 203 is provided with a top cover on which the gas inlet 603 is positioned.

The gas discharged from the cyclone 8 is sent to the interior of the dust-containing gas cleaning chamber 9 through a pipeline, and the cleaning chamber frame 203 is a frame structure. The purifying chamber frame 203 is positioned on the machine frame 103, the upper part and the lower part of the purifying chamber frame 203 are connected with the machine frame 103 by two or more floating bearing components, the filter cloth 303 is coated outside the purifying chamber frame 203 and is fixed with the purifying chamber frame 203, the vibrator 403 is fixed on the side surface of the purifying chamber frame 203 and is used for vibrating the purifying chamber frame 203 up and down, the dust collection bin 503 is positioned below the purifying chamber frame 203 and is fixed with the machine frame 103, the dust-containing gas is introduced into the purifying chamber frame 203 from the air inlet 603, the dust can be left on the filter cloth 303 after the dust-containing gas passes through the filter cloth 303, the purified gas passes through the filter cloth 303, and the filter cloth 303 can be vibrated by the whole body of the purifying chamber frame 203 through the vibrator 403, the filter cloth 303 can be prevented from being blocked by the filtered dust, the effectiveness of the filter cloth 303 can be ensured, the residual dust can be treated and purified, and a large amount of dust can be treated and the dust-containing gas improves the dust removal efficiency because the filter cloth 303 has a larger contact area with the dust-containing gas. The floating bearing assembly comprises a support 803, a pressure spring 903 and a bearing plate 1003, wherein the support 803 is fixed on the rack 103, a sliding rod 1703 is fixed at the top of the support 803, the bearing plate 1003 is fixed on the side surface of the clean room frame 203, a sliding hole is formed in the bearing plate 1003 in the vertical direction, and the bearing plate 1003 is sleeved on the sliding rod 1703 through the sliding hole and is in sliding connection with the sliding rod 1703; the compression spring 903 is sleeved on the sliding rod 1703, the upper end of the compression spring 903 is in contact with the bearing plate 1003, the lower end of the compression spring 903 is in contact with the support 803, the purifying chamber frame 203 is connected to the sliding rod 1703 in a sliding mode through the bearing plate 1003, and the purifying chamber frame 203 is guaranteed to float up and down under the action of the compression spring 903 so as to be matched with the vibrator 403 to shake the filter cloth 303. The filter cloth 303 and the clean room frame 203 may be fixed by using a binding rope. The annular sleeve 1803 and the filter cloth 303 are made of the same material and are both the existing filter cloth 303, and the annular sleeve 1803 and the lower end of the clean room frame 203 and the upper end of the dust collection bin 503 can be fixed by binding ropes. By arranging the annular sleeve 1803, the flexible connection between the clean room frame 203 and the dust collection bin 503 can be realized, the dust-containing gas is prevented from being directly discharged from the gap between the clean room frame 203 and the dust collection bin 503, and the clean room frame 203 is ensured not to be influenced by the dust collection bin 503 when vibrating up and down. The dust collecting chamber 503 is used for collecting dust filtered by the filter cloth 303. The top of the dust collecting bin 503 is provided with an inlet 1103, the bottom of the dust collecting bin 503 is provided with a dust outlet 1203, a valve 1303 is arranged at the dust outlet 1203, and the collected dust can be taken out from the dust outlet 1203 by opening the valve 1303. The vibrator 403 is a vibration motor. The whole purifying chamber frame 203 is of a conical structure with a thin upper end and a thick lower end; and the top of the clean room frame 203 is provided with a top cover on which the gas inlet 603 is positioned.

The settling chamber 7 is connected with the cyclone dust collector 8 and the dust-containing gas purification chamber 9 through pipelines in sequence, the air inlet 603 of the settling chamber 7 is connected with the dust extraction main pipeline 5, the air outlet of the settling chamber 7 is connected with the air inlet 603 of the cyclone dust collector 8, and the air outlet of the cyclone dust collector 8 is connected with the air inlet 603 at the top of the purification chamber frame 203

The foregoing is only a preferred embodiment of the invention.

Claims

1. A fine material sorting and dedusting system comprises a vibrating screening screen (3), a settling chamber (7) and a cyclone dust collector (8); the method is characterized in that: the device also comprises an integral support (1), a stone powder and fine sand separation chamber (2), a wind power impact screening and dust removing chamber (4), a dust-containing gas purification chamber (9) and a dust pumping main pipeline (5);

the integral support (1) is sequentially provided with a fine stone powder and sand separating chamber (2), a vibrating screening screen (3) and a wind power impact screening dust removing chamber (4) from top to bottom, and the fine stone powder and sand separating chamber (2) is sequentially connected with the vibrating screening screen (3) and the wind power impact screening dust removing chamber (4); dust extraction branch pipelines (6) are respectively arranged on the stone powder fine sand separation chamber (2), the vibration screening machine (3) and the wind impact screening dust removal chamber (4), and each dust extraction branch pipeline (6) is communicated with a dust extraction main pipeline (5);

a settling chamber (7), a cyclone dust collector (8) and a dust-containing gas purification chamber (9) are sequentially arranged on the integral support (1) from top to bottom, and the settling chamber (7) is sequentially connected with the cyclone dust collector (8) and the dust-containing gas purification chamber (9);

the upper end of the dust extraction main pipeline (5) is connected with the settling chamber (7), and the upper end of the dust extraction main pipeline (5) is provided with a dust extraction fan (10).

2. The fines sorting dust removal system of claim 1, further comprising: the stone powder and fine sand separation chamber (2) comprises a separation chamber body (101), a hole sieve plate (201), an air supply device and a dust removal device; the left bottom of the separation chamber body (101) is provided with a first discharge hole (301), and the right top of the separation chamber body (101) is provided with a first feed hole (401); the lower end of the right side of the separation chamber body (101) is provided with an air supply inlet (501), and the upper end of the left side of the separation chamber body (101) is provided with a dust outlet (601); the hole sieve plate (201) is positioned in the separation chamber body (101), the upper end of the hole sieve plate (201) is fixed to the right side of the first feeding hole (401), the lower end of the hole sieve plate (201) is fixed to the right side of the first discharging hole (301), a plurality of conical holes (701) are uniformly distributed in the hole sieve plate (201), and the inside of the separation chamber body (101) is divided into two spaces by the hole sieve plate (201); the caliber of the conical hole (701) is gradually reduced along the direction from the air supply inlet (501) to the dust outlet (601); the air supply device comprises an air supply pipeline (801) and an air supply blower (901), the air supply blower (901) is provided with an air outlet, one end of the air supply pipeline (801) is fixedly connected with an air supply inlet (501), and the other end of the air supply pipeline (801) is fixedly connected with the air outlet; the dust collecting device comprises a dust collecting pipeline (1001), and the dust collecting pipeline (1001) is fixedly connected with a dust pumping branch pipeline (6) corresponding to the stone powder fine sand separating chamber (2); a conical discharge hopper (1301) is fixed at the lower end of the first discharge hole (301) of the separation chamber body (101).

3. The fines sorting dust removal system of claim 2, further comprising: the hole sieve plate (201) is in a step shape from top to bottom.

4. The fines sorting dust removal system of claim 2, further comprising: the hole sieve plate (201) comprises an outer frame (1401) and a plurality of sub-sieve plates (1301), gaps are formed among the sub-sieve plates (1501), the sub-sieve plates (1501) are distributed in a step shape, and the sub-sieve plates (1501) are fixed with the outer frame (1401).

5. The fines sorting dust removal system of claim 1, further comprising: the wind power impact screening dust removal chamber (4) comprises a dust removal chamber body (102), a fan (202) and a collided slat (302); the dust removing chamber is characterized in that an air inlet channel (402) is arranged at the lower part of one end of the dust removing chamber body (102) in the horizontal direction, an air outlet channel (502) is arranged at the upper part of the other end of the dust removing chamber body (102) in the horizontal direction, one end, connected with the dust removing chamber body (102), of the air inlet channel (402) extends into the dust removing chamber body (102), a bearing plate (602) extends out of the bottom of one end, located inside the dust removing chamber body (102), of the air inlet channel (402), a second feeding hole (702) is formed in one side, close to the air inlet channel (402), of the top of the dust removing chamber body (102), and a plurality of strip-shaped discharging holes (802; the fan (202) is provided with an air supply pipeline which is communicated with the air inlet channel (402); the collision slat (302) comprises a plurality of collision slats (302), the collision slats (302) are uniformly distributed and fixed in the dust removal chamber body (102), the length direction of the collision slats (302) is in the vertical direction, and the upper end and the lower end of each collision slat (302) are fixed with the dust removal chamber body (102); the width directions of all collided battens (302) in the horizontal direction from the air inlet channel (402) to the air outlet channel (502) are distributed in a zigzag shape, the discharge hole (802) is positioned between two adjacent collided battens (302) in the horizontal direction from the air inlet channel (402) to the air outlet channel (502), and a dust extraction branch pipe (8) on the wind power impact screening dust removal chamber (4) is coaxially and fixedly connected with the free end of the air outlet channel (502); a receiving hopper (902) is fixed at the bottom of the dedusting chamber body (102), a plurality of strip-shaped discharging holes (802) are all positioned in the receiving hopper (902), and a second discharging hole (1002) is formed in the bottom of the receiving hopper (902); the bottom of the air outlet channel (502) forms an angle with the vertical direction.

6. The fines sorting dust removal system of claim 5, further comprising: one end of the air inlet channel (402) positioned outside the dedusting chamber body (102) is of a square structure, one end of the air inlet channel (402) positioned inside the dedusting chamber body (102) is of a rectangular structure, and two ends of the air inlet channel (402) are in smooth transition; the included angle between the bottom of the air inlet channel (402) and the horizontal direction is larger than the included angle between the top of the air inlet channel (402) and the horizontal direction.

7. The fines sorting dust removal system of claim 5, further comprising: the bearing plate (602) is positioned right below the second feeding hole (702).

8. The fines sorting dust removal system of claim 1, further comprising: the dust-containing gas purification chamber (9) comprises a frame (103), a purification chamber frame (203), a floating bearing assembly, filter cloth (303), a vibrator (403) and a dust collection bin (503); the top of the clean room frame (203) is provided with an air inlet (603), the bottom of the clean room frame (203) is provided with an outlet (703), the clean room frame (203) is positioned on the rack (103), and the upper part and the lower part of the clean room frame (203) are connected with the rack (103) by two or more floating bearing assemblies; the floating bearing assembly comprises a support (803), a pressure spring (903) and a bearing plate (1003), the support (803) is fixed on the rack (103), a sliding rod (1703) is fixed at the top of the support (803), the bearing plate (1003) is fixed on the side surface of the purification chamber frame (203), a sliding hole is formed in the bearing plate (1003) along the vertical direction, and the bearing plate (1003) is sleeved on the sliding rod (1703) through the sliding hole and is in sliding connection with the sliding rod (1703); the pressure spring (903) is sleeved on the sliding rod (1703), the upper end of the pressure spring (903) is in contact with the bearing plate (1003), and the lower end of the pressure spring (903) is in contact with the support (803); the filter cloth (303) is coated outside the purifying chamber frame (203) and is fixed with the purifying chamber frame; the vibrator (403) is fixed on the side surface of the clean room frame (203) and is used for vibrating the clean room frame (203) up and down; the dust collection bin (503) is positioned below the clean room frame (203) and is fixed with the rack (103), the lower end of the clean room frame (203) is connected with the upper end of the dust collection bin (503) through an annular sleeve (1803), and the annular sleeve (1803) is provided with a wave-shaped fold; the cyclone (8) has an air outlet which is connected to the air inlet (603) by means of a bellows.

9. The fines sorting dust removal system of claim 8, further comprising: the top of the dust collection bin (503) is provided with an inlet (1103), the bottom of the dust collection bin (503) is provided with a dust outlet (1203), and a valve (1303) is arranged at the dust outlet (1203).

10. The fines sorting dust removal system of claim 8, further comprising: the whole purifying chamber frame (203) is of a conical structure with a thin upper end and a thick lower end; and the top of the clean room frame (203) is provided with a top cover, and the air inlet (603) is positioned on the top cover.