CN112573245A - Auxiliary dust removal device and method for coal conveying system of thermal power plant - Google Patents
Auxiliary dust removal device and method for coal conveying system of thermal power plant Download PDFInfo
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- CN112573245A CN112573245A CN202011361946.2A CN202011361946A CN112573245A CN 112573245 A CN112573245 A CN 112573245A CN 202011361946 A CN202011361946 A CN 202011361946A CN 112573245 A CN112573245 A CN 112573245A
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- Prior art keywords
- fixed
- coal
- dust removal
- dust
- electrostatic adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/185—Preventing escape of dust by means of non-sealed systems
Abstract
The invention discloses an auxiliary dust removal device and a dust removal method of a coal conveying system of a thermal power plant, and belongs to the technical field of the thermal power plant, the auxiliary dust removal device of the coal conveying system of the thermal power plant comprises a dust removal box body, an electrostatic adsorption box, an inner lining box, a coal leading-out component and a dust cleaning component, wherein a connecting pipe is fixed at the upper end of the dust removal box body, a connecting flange is fixed outside the connecting pipe, the connecting flange fixes a coal conveying pipe through a screw, the electrostatic adsorption box is fixed inside the dust removal box body, one end of the electrostatic adsorption box is in sliding connection with the coal leading-out component, the other end of the electrostatic adsorption box is fixed with a fixing clamping plate, a lining sleeve is fixed; the invention adopts electrostatic dust collection in the coal conveying process, automatically leads out coal and filters dust, has low operation cost and basically has no coal ash generated by workers.
Description
Technical Field
The invention belongs to the technical field of thermal power plants, and particularly relates to an auxiliary dust removal device and a dust removal method for a coal conveying system of a thermal power plant.
Background
Coal dust is one of the largest sources of pollution in coal handling systems. The hidden danger-burying type multifunctional combined machine not only destroys the working environment and influences the physical health of workers, but also buries hidden dangers, threatens normal production and is not beneficial to civilized production.
In a series of working processes of unloading, distributing, crushing and the like of fire coal, a coal conveying system of a power plant is easy to generate dust at the following places: 1) a transfer station. When coal conveyed by the belt falls to a lower-level belt from a high position, the coal can carry a large amount of air into the material guide groove of the lower-level belt to form a certain positive pressure, so that part of coal dust is emitted from gaps of the material guide groove and is diffused indoors. 2) A coal crushing machine chamber. In the process that the fire coal falls to the lower-level belt from the coal breaker, besides the fire coal carries a large amount of air to enter the material guide groove of the lower-level belt to form a certain positive pressure, the positive pressure of the material guide groove is further increased when the coal breaker rotor rotates to work, and partial coal dust is blown out from the gap of the material guide groove and diffused indoors.
At present, in the process of comprehensive treatment of civilized production of a coal conveying system, a dust removal process for ensuring the sealing of a conveying pipeline and additionally installing an air lock device and dust removal equipment matched with the process are often adopted for dust removal, but the method has numerous pipelines and higher cost.
Disclosure of Invention
The invention aims to provide an auxiliary dust removal device and a dust removal method for a coal conveying system of a thermal power plant.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a subassembly, dust cleaning assembly are derived including dust removal box, electrostatic absorption case, inside lining case, coal to this supplementary dust collector of coal conveying system of thermal power plant, the dust removal box upper end is fixed with the connecting pipe, and the connecting pipe outside is fixed with flange, and flange passes through the fixed coal conveyer pipe of screw, and the electrostatic absorption case is fixed inside the dust removal box, and electrostatic absorption case one end sliding connection the subassembly is derived to the coal, and the other end is fixed with fixed cardboard, and the neck bush is fixed inside the electrostatic absorption case, and the dust cleaning assembly slides and connects in the dust removal bottom half.
Preferably, the coal is derived the subassembly and is connected including sliding the sliding plate of electrostatic absorption case one end, and sliding plate upper end both ends are equipped with the retaining member of fixing on the electrostatic absorption case, and the electrostatic absorption case end is kept away from to the sliding plate is fixed with the connecting rod, and the sliding plate end is kept away from to the connecting rod is fixed with the cylinder, and the cylinder bottom is fixed with the backup pad, and the backup pad is fixed in dust removal case side.
Adopt above-mentioned scheme: the sliding plate is connected through the air cylinder, the sliding plate is driven to move left and right, when the coal briquette needs to be led out, the sliding plate is driven to be led out automatically through the air cylinder, manual operation is reduced, and work safety is improved.
Preferably, the retaining member is including seting up the logical groove at both ends about the electrostatic absorption case, and logical inslot portion rotates and is connected with the latch segment, and latch segment one end is fixed with coupling spring, and the other end is fixed with the fixture block, is close to fixture block department, and electrostatic absorption case upper end is fixed with the fixed block, and coupling spring keeps away from the latch segment end and is fixed with the fixed plate, and the fixed plate is fixed in electrostatic absorption case upper end, and coupling spring is equipped with a plurality ofly along fixed plate length direction.
Adopt above-mentioned scheme: in the sliding process of the sliding plate, the locking block can be driven to rotate, and then in the rotating process of the locking block, the clamping block is clamped with the fixing block, so that the sliding plate can be fixed.
Preferably, the dust cleaning assembly comprises a cutting block fixed at the bottom of the dust removal box body, two sides of the upper end of the cutting block are inclined, two grooves are formed in the lower end of the cutting block, a sliding block sliding at the bottom of the dust removal box body is arranged inside each groove, an adjusting screw rod is connected to the inner portion of each sliding block in a threaded mode, one end of each adjusting screw rod extends out of the dust removal box body, and a motor is fixed to the extending end of each adjusting screw.
Adopt above-mentioned scheme: rotate through motor drive adjusting screw, when adjusting screw rotated, can drive two sliding blocks and remove, derive the dust, simple structure easily operates, and the dust is easily cleared up.
Preferably, the upper end of the partition block is coated with an antistatic thin film material.
Adopt above-mentioned scheme: because antistatic material's surface anti adsorption performance is strong, when the dust falls, reducible dust bonds, and effectual derivation dust improves the inside cleanliness factor of whole dust removal box.
Preferably, the dust removal box body is far away from the coal leading-out assembly end and is further provided with a through groove, a leading-out frame is fixed inside the through groove, and the two leading-out frames are symmetrically arranged in the middle of the dust removal box body.
Adopt above-mentioned scheme: the frame of deriving is convenient for the coal cinder and is derived, sets up two simultaneously and derives the frame, improves the efficiency of deriving.
The auxiliary dust removal method of the coal conveying system of the thermal power plant comprises the following steps:
s1, connecting the coal conveying pipeline to the upper end of the connecting pipe through a screw, and enabling the coal to enter the electrostatic adsorption box along the connecting pipe;
s2, opening the electrostatic adsorption box, dedusting the coal briquette under the action of static electricity, and allowing the dust to fall onto the partition blocks at the bottom of the dedusting box body along the bottom of the electrostatic adsorption box and to slide into the through grooves along the upper layers of the antistatic film materials on the partition blocks;
s3, turning on a motor, driving an adjusting screw rod to rotate by the motor, and pushing dust out of the dust removal box body through a sliding block;
and S4, opening the cylinder, driving the moving plate to slide, pushing out the coal blocks in the electrostatic adsorption box along the guide-out frame, and conveying the coal blocks to a conveying line to finish dust removal.
Preferably, the antistatic film material comprises a polyvinyl alkyl sulfonic acid composite.
The invention has the beneficial effects that:
1. the coal guiding-out assembly comprises a sliding plate connected to one end of an electrostatic adsorption box in a sliding mode, locking pieces fixed to the electrostatic adsorption box are arranged at two ends of the upper end of the sliding plate, a connecting rod is fixed to the end, away from the electrostatic adsorption box, of the sliding plate, an air cylinder is fixed to the end, away from the sliding plate, of the connecting rod, a supporting plate is fixed to the bottom of the air cylinder, and the supporting plate is fixed to the side; the sliding plate is connected through the air cylinder, the sliding plate is driven to move left and right, when the coal briquette needs to be led out, the sliding plate is driven to be led out automatically through the air cylinder, manual operation is reduced, and work safety is improved.
2. The locking piece provided with the sliding plate comprises through grooves formed in the upper end and the lower end of the electrostatic adsorption box, a locking block is rotatably connected inside each through groove, a connecting spring is fixed at one end of each locking block, a clamping block is fixed at the other end of each locking block, the clamping block is close to the clamping block, a fixing block is fixed at the upper end of the electrostatic adsorption box, a fixing plate is fixed at the end, far away from the locking block, of each connecting spring, the fixing plate is fixed at the upper end of the electrostatic adsorption box, and a plurality; in the sliding process of the sliding plate, the locking block can be driven to rotate, and then in the rotating process of the locking block, the clamping block is clamped with the fixing block, so that the sliding plate can be fixed.
3. The dust cleaning assembly comprises a cutting block fixed at the bottom of a dust removal box body, wherein two sides of the upper end of the cutting block are inclined, two grooves are formed in the lower end of the cutting block, a sliding block sliding at the bottom of the dust removal box body is arranged in each groove, an adjusting screw rod is connected in each sliding block in a threaded mode, one end of each adjusting screw rod extends out of the dust removal box body, and a motor is fixed at the extending end of each adjusting screw rod; rotate through motor drive adjusting screw, when adjusting screw rotated, can drive two sliding blocks and remove, derive the dust, simple structure easily operates, and the dust is easily cleared up.
Drawings
FIG. 1 is a schematic perspective view of an auxiliary dust removing device of a coal conveying system of a thermal power plant according to the present invention;
FIG. 2 is a schematic top view of an auxiliary dust removing device of a coal conveying system of a thermal power plant provided by the present invention in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 of an auxiliary dust removing apparatus of a coal conveying system of a thermal power plant according to the present invention;
FIG. 4 is an enlarged schematic view I of FIG. 3 of an auxiliary dust removing device of a coal conveying system of a thermal power plant according to the present invention;
FIG. 5 is a schematic structural diagram of a dust cleaning assembly of an auxiliary dust removing device of a coal conveying system of a thermal power plant provided by the invention.
In the figure: 1. a dust removal box body; 2. an electrostatic adsorption tank; 3. a lining box; 4. a coal export assembly; 5. a dust cleaning assembly; 6. a connecting pipe; 7. a connecting flange; 8. a coal conveying pipeline; 9. fixing the clamping plate; 10. a sliding plate; 11. a connecting rod; 12. a cylinder; 13. a support plate; 14. a through groove; 15. a locking block; 16. a connecting spring; 17. a clamping block; 18. a fixed block; 19. a fixing plate; 20. dividing blocks; 21. a groove; 22. a slider; 23. adjusting the screw rod; 24. a motor; 25. a through groove; 26. and (5) exporting the frame.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 5, an auxiliary dust removing device and a dust removing method for a coal conveying system of a thermal power plant according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
This supplementary dust collector of coal conveying system of thermal power plant derives subassembly 4, dust clearance subassembly 5 including dust removal box 1, electrostatic absorption case 2, inside lining case 3, coal, dust removal box 1 upper end is fixed with connecting pipe 6, and 6 external fixations of connecting pipe have flange 7, and flange 7 passes through screw fixation coal conveyer pipe 8, and electrostatic absorption case 2 is fixed inside dust removal box 1, 2 one end sliding connection of electrostatic absorption case subassembly 4 is derived to the coal, and the other end is fixed with fixed cardboard 9, and inside lining 3 is fixed inside electrostatic absorption case 2, and dust clearance subassembly 5 slides and connects in dust removal box 1 bottom.
Specifically, subassembly 4 is derived to coal is including sliding the sliding plate 10 of connecting in electrostatic absorption case 2 one end, and sliding plate 10 upper end both ends are equipped with the retaining member of fixing on electrostatic absorption case 2, and sliding plate 10 is kept away from electrostatic absorption case 2 end and is fixed with connecting rod 11, and connecting rod 11 is kept away from sliding plate 10 end and is fixed with cylinder 12, and cylinder 12 bottom is fixed with backup pad 13, and backup pad 13 is fixed in dust removal box 1 side.
Specifically, the retaining member is including seting up the logical groove 14 at electrostatic absorption case 2 upper and lower both ends, and logical groove 14 internal rotation is connected with latch segment 15, and 15 one end of latch segment is fixed with coupling spring 16, and the other end is fixed with fixture block 17, is close to fixture block 17 department, and 2 upper ends of electrostatic absorption case are fixed with fixed block 18, and coupling spring 16 keeps away from 15 ends of latch segment and is fixed with fixed plate 19, and fixed plate 19 is fixed in 2 upper ends of electrostatic absorption case, and coupling spring 16 is equipped with a plurality ofly along 19 length direction of fixed plate.
Specifically, dust clearance subassembly 5 is including fixing the piece 20 of cutting apart of dust removal box 1 bottom cuts apart 20 upper end both sides and is the slope form, and two recess 21 have been seted up to the lower extreme, and recess 21 is inside to be equipped with the sliding block 22 of sliding in dust removal box 1 bottom, and the inside threaded connection of sliding block 22 has adjusting screw 23, and adjusting screw 23 one end is stretched out dust removal box 1, stretches out the end and is fixed with motor 24.
Specifically, the upper end of the segment block 20 is coated with an antistatic thin film material.
Specifically, dust removal box 1 is kept away from subassembly 4 end is derived to coal has still been seted up logical groove 25, leads to the inside frame 26 that is fixed with of groove 25, derives frame 26 and is related to dust removal box 1 middle part symmetry and sets up two.
The auxiliary dust removal method of the coal conveying system of the thermal power plant comprises the following steps:
s1, connecting the coal conveying pipeline 8 to the upper end of the connecting pipe 6 through a screw, and enabling the coal to enter the electrostatic adsorption box 2 along the connecting pipe 6;
s2, opening the electrostatic adsorption box, dedusting the coal briquette under the action of static electricity, and allowing the dust to fall onto the partition block 20 at the bottom of the dedusting box body along the bottom of the electrostatic adsorption box 2 and slide into the through groove 25 along the upper layer of the antistatic film material on the partition block 20;
s3, turning on the motor 24, driving the adjusting screw 23 to rotate by the motor, and pushing the dust out of the dust removal box body 1 through the sliding block 22;
and S4, opening the cylinder 12, driving the sliding plate 10 to slide, pushing out the coal blocks in the electrostatic adsorption box 2 along the guide-out frame 26, and conveying the coal blocks to a conveying line to finish dust removal.
Specifically, the antistatic film material comprises a polyvinyl alkyl sulfonic acid composite material.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an auxiliary dust collector of coal conveying system of thermal power plant, its characterized in that, this auxiliary dust collector of coal conveying system of thermal power plant derives subassembly (4), dust clearance subassembly (5) including dust removal box (1), electrostatic adsorption case (2), inside lining case (3), coal, dust removal box (1) upper end is fixed with connecting pipe (6), and connecting pipe (6) external fixation has flange (7), and flange (7) are through screw fixation coal conveyer pipe (8), and electrostatic adsorption case (2) are fixed inside dust removal box (1), and electrostatic adsorption case (2) one end sliding connection subassembly (4) are derived to the coal, and the other end is fixed with fixed cardboard (9), and inside lining (3) are fixed inside electrostatic adsorption case (2), and dust clearance subassembly (5) slide and connect in dust removal box (1) bottom.
2. The auxiliary dust removal device of the coal conveying system of the thermal power plant as claimed in claim 1, wherein the coal guiding-out assembly (4) comprises a sliding plate (10) connected to one end of the electrostatic adsorption tank (2) in a sliding manner, locking pieces fixed to the electrostatic adsorption tank (2) are arranged at two ends of the upper end of the sliding plate (10), a connecting rod (11) is fixed to the end, away from the electrostatic adsorption tank (2), of the sliding plate (10), an air cylinder (12) is fixed to the end, away from the sliding plate (10), of the connecting rod (11), a support plate (13) is fixed to the bottom of the air cylinder (12), and the support plate (13) is fixed to the side face.
3. The auxiliary dust removal device for the coal conveying system of the thermal power plant as claimed in claim 2, wherein the locking member comprises a through groove (14) formed in the upper end and the lower end of the electrostatic adsorption tank (2), a locking block (15) is rotatably connected inside the through groove (14), one end of the locking block (15) is fixed with a connecting spring (16), the other end of the locking block (15) is fixed with a clamping block (17), the position close to the clamping block (17) is fixed with a fixing block (18), the end, far away from the locking block (15), of the connecting spring (16) is fixed with a fixing plate (19), the fixing plate (19) is fixed at the upper end of the electrostatic adsorption tank (2), and the connecting spring (16) is provided with a plurality of connecting blocks along the length direction of.
4. The auxiliary dust removing device of the coal conveying system of the thermal power plant as claimed in claim 1, wherein the dust cleaning assembly (5) comprises a dividing block (20) fixed at the bottom of the dust removing box body (1), two sides of the upper end of the dividing block (20) are inclined, two grooves (21) are formed in the lower end of the dividing block, a sliding block (22) sliding on the bottom of the dust removing box body (1) is arranged inside each groove (21), an adjusting screw rod (23) is connected to the inside of each sliding block (22) in a threaded manner, one end of each adjusting screw rod (23) extends out of the dust removing box body (1), and a motor (24) is fixed at the extending end of each.
5. The auxiliary dust removing device and the dust removing method for the coal conveying system of the thermal power plant as claimed in claim 4, wherein the upper end of the partition block (20) is coated with an antistatic film material.
6. The auxiliary dust removing device of the coal conveying system of the thermal power plant as claimed in claim 1, wherein a through groove (25) is further formed in the end, away from the coal guiding component (4), of the dust removing box body (1), a guiding frame (26) is fixed inside the through groove (25), and two guiding frames (26) are symmetrically arranged in the middle of the dust removing box body (1).
7. An auxiliary dust removal method for a coal conveying system of a thermal power plant is characterized by comprising the following steps:
s1, connecting the coal conveying pipeline to the upper end of the connecting pipe through a screw, and enabling the coal to enter the electrostatic adsorption box along the connecting pipe;
s2, opening the electrostatic adsorption box, dedusting the coal briquette under the action of static electricity, and allowing the dust to fall onto the partition blocks at the bottom of the dedusting box body along the bottom of the electrostatic adsorption box and to slide into the through grooves along the upper layers of the antistatic film materials on the partition blocks;
s3, turning on a motor, driving an adjusting screw rod to rotate by the motor, and pushing dust out of the dust removal box body through a sliding block;
and S4, opening the air cylinder, driving the sliding plate to slide, pushing out the coal blocks in the electrostatic adsorption box along the guide-out frame, and conveying the coal blocks to a conveying line to finish dust removal.
8. The method as claimed in claim 7, wherein the antistatic film material comprises a polyvinyl alkyl sulfonic acid composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011361946.2A CN112573245A (en) | 2020-11-28 | 2020-11-28 | Auxiliary dust removal device and method for coal conveying system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011361946.2A CN112573245A (en) | 2020-11-28 | 2020-11-28 | Auxiliary dust removal device and method for coal conveying system of thermal power plant |
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| Publication Number | Publication Date |
|---|---|
| CN112573245A true CN112573245A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011361946.2A Pending CN112573245A (en) | 2020-11-28 | 2020-11-28 | Auxiliary dust removal device and method for coal conveying system of thermal power plant |
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| CN (1) | CN112573245A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208678698U (en) * | 2018-08-17 | 2019-04-02 | 陈志鑫 | A kind of ventilation chock dust remover of spinning and weaving workshop |
| CN110162150A (en) * | 2018-04-17 | 2019-08-23 | 苏州晨霞美合智能科技有限公司 | A kind of computer host box with high-effective dust-removing function |
| CN210386826U (en) * | 2019-06-19 | 2020-04-24 | 宜昌亚峰环保科技有限公司 | Small electrostatic dust removing box |
| CN210386201U (en) * | 2019-06-12 | 2020-04-24 | 南京伍师自动化科技有限公司 | Electric automatization switch board |
| CN210898073U (en) * | 2019-12-18 | 2020-06-30 | 先锋电力设备有限公司 | Dustproof high-low voltage switch cabinet |
-
2020
- 2020-11-28 CN CN202011361946.2A patent/CN112573245A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162150A (en) * | 2018-04-17 | 2019-08-23 | 苏州晨霞美合智能科技有限公司 | A kind of computer host box with high-effective dust-removing function |
| CN208678698U (en) * | 2018-08-17 | 2019-04-02 | 陈志鑫 | A kind of ventilation chock dust remover of spinning and weaving workshop |
| CN210386201U (en) * | 2019-06-12 | 2020-04-24 | 南京伍师自动化科技有限公司 | Electric automatization switch board |
| CN210386826U (en) * | 2019-06-19 | 2020-04-24 | 宜昌亚峰环保科技有限公司 | Small electrostatic dust removing box |
| CN210898073U (en) * | 2019-12-18 | 2020-06-30 | 先锋电力设备有限公司 | Dustproof high-low voltage switch cabinet |
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Application publication date: 20210330 |