CN111991976A

CN111991976A - Efficient dust removal process for dust gas

Info

Publication number: CN111991976A
Application number: CN202010971017.7A
Authority: CN
Inventors: 沈高金
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2020-11-27

Abstract

The invention discloses an efficient dust removal process for dust gas, which comprises the following steps: the exhaust of the processing furnace is firstly blocked by the ash blocking device and the filtering device, a large amount of dust in the gas is primarily blocked, then the gas is purified again by the dust removing bag in the dust removing device, and finally the gas is completely purified by the electrostatic dust collector with the electrostatic dust removing function and then discharged into the atmosphere. According to the invention, the ash blocking device and the filtering device are arranged, so that a large amount of dense dust particles are blocked, the subsequent dust removal pressure is reduced, the ash blocking device and the filtering device are both mechanical structures, the cost investment is low, and the ash blocking device and the filtering device are arranged in a pipeline, so that the occupied area is not required, the public resources are saved, and the popularization is facilitated; a large amount of dust collector gathering through setting up filters for it is more transparent clean that gaseous, thereby avoids polluting the atmosphere.

Description

Efficient dust removal process for dust gas

Technical Field

The invention relates to the technical field of air pollution control, in particular to an efficient dust removal process for dust gas.

Background

With the rapid development of economy, the processing of various solid substances in the industrial field such as crushing, screening and the like, or the combustion of solids, which all discharge a large amount of dust-containing gas, has long been a concern for the environmental development of removing particulate matters to reduce the emission thereof to the atmosphere. Most enterprises devote significant effort in improving production processes and combustion techniques to reduce particulate generation. Meanwhile, the dust removing device can also purify the generated dust so as to discharge the dust to the atmosphere after reaching the standard. However, most enterprises have single dust removal devices, and dust particles which just come out of the processing furnace are dense, so that the dust removal pressure of the single dust removal device is increased, the maintenance period of the single dust removal device is shortened, the maintenance cost is increased, and the development of the enterprises is not facilitated.

Disclosure of Invention

The invention aims to provide an efficient dust removal process for dust gas, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides an efficient dust removal process for dust gas, which comprises the following steps:

firstly, a dust gas preliminary removing stage:

s1, firstly, two electric push rods in the dust and gas dust removal equipment are started to drive a linkage rod to push downwards, an arc block is pressed through a clamping groove to enable a shifting block to rotate around a pin in a sleeve ring, so that the bottom ends of dust blocking plates are tilted and arranged in the middle of a dust blocking pipeline, and a plurality of dust blocking plates alternately form a drop type structure after being unfolded;

s2, when dust gas generated in the furnace to be processed passes through the dust blocking pipeline, the dust gas is blocked by a plurality of dust blocking plates and a large amount of dust is retained in the groove;

s3, when a small amount of gas with dust enters the filter pipe, the speed reducing motor is started to drive the filter plates to rotate, the dust in the small amount of gas with dust is blocked, and the dust is immersed in clean water along with the rotation of the filter plates and is washed and dissolved in water;

s4, transferring the gas to be introduced into the water into the vertical section of the filter pipe along with the filter disc, starting the pipeline fan to enable the pipeline fan to work to generate suction force, sucking the gas in the vertical section of the filter pipe away, and diffusing and discharging the gas through the exhaust hood;

the dust and gas dust removal equipment comprises a processing furnace, an ash blocking device and a filtering device are arranged on an exhaust pipeline of the processing furnace, the ash blocking device comprises an ash blocking pipeline and an ash blocking mechanism symmetrically arranged in the ash blocking pipeline, two sides of the ash blocking pipeline are in a high-low shape and are provided with long grooves, the ash blocking mechanism comprises a plurality of ash blocking plates which are turned over against the inner wall of the ash blocking pipeline and a linkage rod which is arranged in the long grooves and drives the ash blocking plates to turn over, an electric push rod for driving the linkage rod to move up and down is arranged at the top end of the linkage rod, the filtering device comprises a filtering pipe communicated with the ash blocking pipeline and a pipeline fan arranged at the top end of the filtering pipe, the filtering pipe is L-shaped, square openings are formed in the bottom surfaces of corners, a water tank is arranged right below the square openings, a plurality of rotatable filtering sheets are arranged at the top of the;

secondly, a large amount of dust gas is removed:

s5, allowing the gas diffused and exhausted from the exhaust hood to enter a dust removal box, allowing the gas to pass through a plurality of dust removal bags to enter the bags and then to be gathered in the space between the sealing plate and the square plate, and blocking the dust on the outer surfaces of the dust removal bags;

s6, starting a pipeline fan on the right side of the dust removal box, and pumping dust removal gas collected between the sealing plate and the square plate away;

s7, starting the blower again to generate airflow, flushing the airflow into each dust bag through the main air pipe, the air dividing pipe and the air outlet pipe, blowing and vibrating dust on the outer surface of the dust bag, and collecting the dust falling into the dust collecting box;

one side of the filtering device is provided with a dust removing device which comprises a dust removing box with a box body structure and an opening at the front end, the dust removal box comprises a plurality of dust removal bags which are distributed in a longitudinal and transverse dot matrix manner in the dust removal box and an air blower which is arranged at the front end of the top surface of the dust removal box and can clean dust deposited on the outer surface of the dust removal bags, a rectangular air inlet is formed in the middle of the left side of the dust removal box, a plurality of air outlets are formed in the right side of the dust removal box and in front of a sealing plate, air guide covers are arranged in the dust removal box and above and below the air inlet, a plurality of arched air distribution plates are welded on the inner wall of the rear part of the dust removal box from top to bottom, a dust collection box communicated with the interior of the dust removal box is arranged at the bottom of the dust removal box, a main air pipe penetrating through the interior of the dust removal box is tightly inserted into the air outlets of;

thirdly, dust gas final removing stage:

s8, when dust removal gas to be collected between the sealing plate and the square plate enters the bottom of the dust removal cylinder, the electric collecting cylinder and the corona tube are respectively connected with a positive power supply and a negative power supply to enable the interior of the electric collecting cylinder and the corona tube to generate electrostatic motion, so that dust in the gas is completely adsorbed on the inner wall of the electric collecting cylinder, and the completely purified gas is discharged from a top port of the electric collecting cylinder;

s9, after the electrostatic dust removal work is finished, the servo motor is started to drive the round wheel to rotate until the round block is reset under the resilience force of the pressure spring, and then the knocking block instantly strikes the flashlight, so that the flashlight is vibrated, and dust on the inner wall of the flashlight is vibrated;

one side of dust collector is provided with electrostatic precipitator, and electrostatic precipitator includes the dust removal section of thick bamboo, dust removal section of thick bamboo inside the cover establish current collector and the corotron of suspension on the flashlight center pin, and one side of dust removal section of thick bamboo is provided with the vibrating tube of hitting the collection flashlight, and the welding of one side of vibrating tube has the piece of strikeing that corresponds the joint with logical groove, and servo motor is installed in the outside of dust removal section of thick bamboo.

As the further improvement of this technical scheme, it is a plurality of the cassette is the equidistant combination of annular, and the radius of rotation of a plurality of cassettes equals with the interior height of filter tube, and the top of cassette is equipped with the circular arc board, and has the contained angle between the axis of circular arc board and the axis of rotation of a plurality of cassettes, and the top opening and the bottom of water tank are equipped with the drain pipe rather than inside being linked together, and the water valve is installed to drain pipe one side, and the top corner of water tank is equipped with the water filling nozzle rather than inside being linked together, and the crossing department welding of a plurality of cassettes has circle axle and gear motor coaxial coupling.

As a further improvement of the technical scheme, the top end of the ash blocking plate is symmetrically provided with lantern rings along the width direction, the ash blocking plate penetrates through the inner wall and the outer wall of the ash blocking pipeline through pins and is rotatably connected with inner holes of the lantern rings, a plurality of grooves are formed in the outer side face of the ash blocking plate at equal intervals, the middle part of the inner side of the top end of the ash blocking plate is vertically provided with a shifting block, and the top end of the shifting block is provided with a circular arc block on one side deviating from the ash blocking plate.

As a further improvement of the technical scheme, the ash accumulation pipe communicated with the interior of the ash blocking pipeline is arranged in the vertical direction of the bottom end of the ash blocking pipeline, the vent pipe communicated with the interior of the ash blocking pipeline is arranged in the horizontal direction of the bottom end of the ash blocking pipeline, one end of the filter pipe is fixedly connected with the vent pipe through a bolt, one end of the air outlet of the pipeline fan is provided with an exhaust hood, the inner size of the front port of the exhaust hood is matched with the size of the air inlet, and the exhaust hood is fixedly connected with the dust removal box through a bolt.

As a further improvement of the technical scheme, the linkage rod moves upwards to enable the ash blocking plate to be in a vertical furled state, the linkage rod moves downwards to enable the ash blocking plate to be in an inclined unfolded state, a plurality of clamping grooves are formed in the front side face of the linkage rod at equal intervals, the clamping grooves are connected with the shifting block in an inserting mode, the bottom faces of the clamping grooves are inclined and extend towards the lower portion of the inner portion of the ash blocking pipeline, limiting edges in a long strip structure are symmetrically arranged on two sides of the linkage rod, a rod seat connected with the linkage rod in a sliding mode is clamped inside the long groove, and reset springs are symmetrically arranged at the bottom end of the long.

As the further improvement of this technical scheme, there is the square plate dust removal case's preceding port through bolted connection, the inner wall of dust removal case and the welding that is close to front end department have the closing plate, a plurality of through-holes that can put into a plurality of dust pockets are seted up to the terminal surface of closing plate, from last every gas board that divides down all is located the below of every layer of through-hole on the horizontal direction, the rear inner wall welding of dust removal case has the layer board with the semi-circular structure of through-hole with the axis, the dust pocket adopts the fine acupuncture felt of glass to make one end open-ended cylindricly, the inside and outside cover of dust pocket is equipped with inner cylinder cover and outer cylinder cover respectively, the front and back end of outer cylinder cover.

As a further improvement of the technical scheme, the top end of the air guide cover is provided with an air outlet cover opening, the air outlet cover openings of the upper air guide cover and the lower air guide cover are respectively positioned on one side of the air distribution plate on the upper side and the lower side, the bottom end of the air guide cover is provided with an air inlet cover opening, the air inlet cover openings of the upper air guide cover and the lower air guide cover are respectively positioned on one side of the upper horizontal side and the lower horizontal side of the air inlet, and the main air pipe is positioned right ahead of.

As a further improvement of the technical scheme, a pipeline fan is installed on one side of the bottom of the dust removing cylinder, an air inlet pipe is connected to the air inlet end of the top of the pipeline fan, the air inlet pipe is in plug-in fit with the air outlet, an ash drawing opening is formed in one side of the bottom of the dust removing cylinder, a sealing cover is hinged to one side of the ash drawing opening, one end of the sealing cover is fixedly connected with the outer side of the dust removing cylinder through a bolt, and the air outlet end of the bottom of the pipeline fan penetrates through the bottom of the dust removing cylinder through.

As a further improvement of the technical scheme, the top end of the electric collecting torch is provided with an outwardly extending ring edge, the top end opening of the electric collecting torch is tightly clamped with a plastic ring made of plastic materials, the corotron is in plug-in fit with a central hole of the plastic ring, the collecting cylinder is connected with a positive power supply through a wire, and the corotron is connected with a negative power supply through a wire.

As the further improvement of this technical scheme, the vertical symmetry in one side of a dust removal section of thick bamboo is provided with spacing post, and a plurality of logical grooves have been seted up to one side equidistant that just is located spacing post on the dust removal section of thick bamboo, and the last lower extreme of vibrating tube is pegged graft and rotatable with the spacing post of upper and lower side, and the welding of the opposite side middle part of vibrating tube has the stick-up piece, inlays between stick-up piece and the dust removal section of thick bamboo and is equipped with a plurality of pressure springs, and servo motor's output coaxial coupling has and sticks up the round wheel that the piece is in with horizontal position, and one.

Compared with the prior art, the invention has the beneficial effects that:

1. in the high-efficiency dust removal process of the dust gas, the dust blocking device arranged at the exhaust end of the processing furnace is used for blocking a large amount of dense dust particles, so that the gas can smoothly pass through, the subsequent dust removal pressure is reduced, the dust blocking device is of a mechanical structure, the cost is low, the dust blocking device is installed in a pipeline, the occupied area is not required, the public resources are saved, and the popularization is facilitated.

2. In this gaseous high-efficient dust removal technology of dust, through the filter equipment who sets up immediately after blocking grey device for the dust is further filtered and purified, and when purifying the gas after filtering again, just can reduce the dust removal pressure of equipment, and filter equipment is mechanical structure, and its cost drops into lowly, and installs in the pipeline, need not to take up an area of and uses, need not to collect a land again, has the value of using widely.

3. In the high-efficiency dust removal process of the dust gas, a large amount of dust is gathered through the arranged dust removal device, and is filtered through the dust removal bag made of a plurality of glass fiber needled felts arranged in the dust removal device, so that the porosity is high, the gas filtration resistance is small, the dust removal effect can be enhanced, and the gas is more transparent and cleaner.

4. In this gaseous high-efficient dust removal technology of dust, as last one through the electrostatic precipitator who sets up, the small ash floating of its inside electrostatic adsorption that produces of accessible self makes clear no particulate matter's gas discharge in the atmosphere to avoid polluting the atmosphere.

Drawings

FIG. 1 is a schematic view of an overall assembly structure of embodiment 1;

FIG. 2 is a schematic view of an assembly structure of the dust blocking device according to embodiment 1;

FIG. 3 is a plan view showing the structure of the dust blocking mechanism according to example 1 in an expanded state;

FIG. 4 is a structural plan view of the ash blocking mechanism of embodiment 1 in a collapsed state;

FIG. 5 is a schematic structural view of a dust blocking plate according to example 1;

FIG. 6 is a partial structural view of a rod seat according to embodiment 1;

FIG. 7 is a partial structural view of a linkage rod according to embodiment 1;

FIG. 8 is a plan view showing a structure of a dust-blocking state of the dust-blocking plate according to example 1;

FIG. 9 is a plan view showing a structure of the dust-retaining plate of example 1 in a dust-fallen state;

FIG. 10 is a plan view showing the internal structure of the filtration apparatus of example 1;

FIG. 11 is a schematic view of an assembled structure of a filter tube according to example 1;

FIG. 12 is a schematic view showing an assembled structure of a water tank and a filter of embodiment 1;

FIG. 13 is a schematic view of an assembled structure of the dust removing device of embodiment 1;

FIG. 14 is a schematic view of the dust removing box of embodiment 1;

FIG. 15 is a schematic view of the internal structure of the dust removing box of embodiment 1;

FIG. 16 is a schematic view of the structure of the scoop in example 1;

FIG. 17 is a schematic view of the assembled dust bag of example 1;

FIG. 18 is an exploded view of the dust bag of example 1;

FIG. 19 is an assembly view of the blower according to embodiment 1;

FIG. 20 is a schematic view showing the construction of an electrostatic precipitator in accordance with embodiment 1;

FIG. 21 is a schematic structural view of a dust removing cartridge according to embodiment 1;

FIG. 22 is a schematic view showing the structure of a collector case according to example 1;

figure 23 is a schematic view of the corona tube configuration of example 1;

fig. 24 is a schematic structural view of the vibrating tube of embodiment 1.

The various reference numbers in the figures mean:

100. a processing furnace;

200. a dust blocking device;

210. a dust blocking pipeline; 211. a long groove; 212. an ash accumulation pipe; 213. a breather pipe;

220. a dust blocking mechanism; 221. a dust blocking plate; 2210. a collar; 2211. a groove; 2212. shifting blocks; 2213. an arc block;

222. a linkage rod; 2220. a card slot; 2221. a return spring; 2222. a limiting edge;

223. a rod seat; 224. sealing the shell; 225. an electric push rod;

300. a filtration device;

310. a filter tube; 320. a pipeline fan; 321. an exhaust hood; 322. an air inlet pipe;

330. a water tank; 331. a water injection nozzle; 332. a drain pipe; 340. a filter disc; 341. a circular arc plate; 350. a reduction motor;

400. a dust removal device;

410. a dust removal box; 411. a sealing plate; 412. a through hole; 413. an air inlet; 414. an air outlet; 415. a gas guide hood; 4151. an air inlet cover opening; 4152. an air outlet cover opening; 416. a gas distribution plate; 417. a support plate; 418. an ash gathering box;

420. a dust removal bag; 421. an inner cylinder cover; 422. an outer cylinder cover; 430. a blower; 431. a main air duct; 432. air distributing pipes; 433. an air outlet pipe;

500. an electrostatic precipitator;

510. a dust removal cylinder; 511. digging an ash hole; 512. a servo motor; 513. a round wheel; 514. a round block; 515. a through groove; 516. a limiting column;

520. an electric torch; 521. a plastic ring; 530. a corotron;

540. vibrating the tube; 541. knocking the block; 542. warping blocks; 543. and (5) pressing a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central axis", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

The invention provides an efficient dust removal process for dust gas, which comprises the following steps:

firstly, a dust gas preliminary removing stage:

s1, firstly, two electric push rods 225 in the dust and gas dust removal equipment are started to drive a linkage rod 222 to push downwards, an arc block 2213 is pressed through a clamping groove 211, a shifting block 2212 rotates around pins in a lantern ring 2210, the bottom ends of dust blocking plates 221 are tilted and placed in the middle of a dust blocking pipeline 210, and a plurality of dust blocking plates 221 are alternately unfolded to form a drop type structure;

s2, when dust gas generated in the furnace 100 to be processed passes through the dust blocking pipeline 210, the dust gas is blocked by the dust blocking plates 221 and a large amount of dust is retained in the groove 2211;

s3, when a small amount of gas with dust enters the filter pipe 310, the speed reducing motor 350 is started again to drive the filter plates 340 to rotate, the dust in the small amount of gas with dust is blocked, and the dust is immersed in clean water along with the rotation of the filter plates 340 to be washed and dissolved in water;

s4, transferring the gas to be introduced into the water into the vertical section of the filter pipe 310 along with the filter sheet 340, starting the pipeline fan 320 to work to generate suction force, sucking the gas in the vertical section of the filter pipe 310, and diffusing and discharging the gas through the exhaust hood 321;

the dust and gas dust removing equipment comprises a processing furnace 100, an ash blocking device 200 and a filtering device 300 are arranged on an exhaust pipeline of the processing furnace 100, the ash blocking device 200 comprises an ash blocking pipeline 210 and ash blocking mechanisms 220 symmetrically arranged in the ash blocking pipeline 210, two sides of the ash blocking pipeline 210 are in a high-low shape and provided with a long groove 211, each ash blocking mechanism 220 comprises a plurality of ash blocking plates 221 turning against the inner wall of the ash blocking pipeline 210 and a linkage rod 222 driving the ash blocking plates 221 to turn arranged in the long groove 211, the top end of the linkage rod 222 is provided with an electric push rod 225 driving the linkage rod to move up and down, the filtering device 300 comprises a filtering pipe 310 communicated with the ash blocking pipeline 210 and a pipeline fan 320 arranged at the top end of the filtering pipe 310, the filtering pipe 310 is L-shaped, and the bottom surface of a corner is, a water tank 330 is arranged right below the square opening, a plurality of rotatable filter sheets 340 are arranged at the top of the water tank 330, and a speed reducing motor 350 capable of driving the plurality of filter sheets 340 to rotate is arranged behind the top of the water tank 330;

secondly, a large amount of dust gas is removed:

s5, allowing the gas diffused and exhausted from the exhaust hood 321 to enter the dust removing box 410, allowing the gas to pass through a plurality of dust removing bags 420 to enter the bags and further to be gathered in the space between the sealing plate 411 and the square plate, and blocking the dust on the outer surfaces of the dust removing bags 420;

s6, starting the pipeline fan 320 on the right side of the dust removal box 410, and pumping away dust removal gas gathered between the sealing plate 411 and the square plate;

s7, starting the blower 430 again to generate airflow which is flushed into each dust bag 420 through the main air pipe 431, the air dividing pipe 432 and the air outlet pipe 433, and then blowing and vibrating dust on the outer surface of the dust bag 420 to fall into the dust collecting box 418 to be collected;

one side of the filtering device 300 is provided with a dust removing device 400, the dust removing device 400 comprises a dust removing box 410 which is of a box body structure and has an opening at the front end, a plurality of dust removing bags 420 which are distributed in a vertical and horizontal lattice manner in the dust removing box 410, and an air blower 430 which is arranged at the front end of the top surface of the dust removing box 410 and can clean dust deposited on the outer surface of the dust removing bags 420, a rectangular air inlet 413 is arranged in the middle of the left side of the dust removing box 410, a plurality of air outlets 414 are arranged on the right side of the dust removing box 410 and in front of a sealing plate 411, an air guide cover 415 is arranged in the dust removing box 410 and above and below the air inlet 413, a plurality of arched air distribution plates 416 are welded on the inner wall of the rear side of the dust removing box 410 from top to bottom, an ash collecting box 418 communicated with the interior of the dust removing box 410 is arranged at the bottom of the dust removing box 410, an air outlet pipe 433 which guides air flow to enter the through hole 412 is arranged behind the air dividing pipe 432;

thirdly, dust gas final removing stage:

s8, when the dust removal gas gathered between the sealing plate 411 and the square plate enters the bottom of the dust removal cylinder 510, the collecting cylinder 520 and the corotron 530 are respectively connected with a positive power supply and a negative power supply to enable the interior of the collecting cylinder 520 to generate electrostatic motion, so that the dust in the gas is thoroughly adsorbed on the inner wall of the collecting cylinder 520, and the thoroughly purified gas is discharged from the top port of the collecting cylinder 520;

s9, after the electrostatic dust collection operation is finished, the servo motor 512 is started to drive the round wheel 513 to rotate until the round block 514 is reset under the resilience force of the pressure spring 543, and then the knocking block 541 instantly strikes the flashlight collection 520 to generate vibration and shake off dust on the inner wall of the flashlight collection 520;

one side of the dust removing device 400 is provided with an electrostatic dust collector 500, the electrostatic dust collector 500 comprises a dust removing cylinder 510, a collecting cylinder 520 sleeved inside the dust removing cylinder 510 and a corona tube 530 suspended on the central shaft of the collecting cylinder 520, one side of the dust removing cylinder 510 is provided with a vibrating tube 540 for striking the collecting cylinder 520, one side of the vibrating tube 540 is welded with a striking block 541 correspondingly clamped with the through groove 515, and the outside of the dust removing cylinder 510 is provided with a servo motor 512.

Referring to fig. 1 to 24, the present invention provides a high-efficiency dust removing apparatus for factory exhaust, which includes a processing furnace 100, and an exhaust duct of the processing furnace 100 is provided with an ash blocking device 200 and a filtering device 300. The ash blocking device 200 comprises an ash blocking pipeline 210 and ash blocking mechanisms 220 symmetrically arranged in the ash blocking pipeline 210, wherein two sides of the ash blocking pipeline 210 are in a high-low shape and are provided with long grooves 211, so that the ash blocking mechanisms 220 are arranged in a staggered mode to form a water-drop ash blocking effect, and therefore a large amount of dense dust is blocked. The ash blocking mechanism 220 comprises a plurality of ash blocking plates 221 which are turned against the inner wall of the ash blocking pipeline 210, and a linkage rod 222 which is arranged in the long groove 211 and drives the ash blocking plates 221 to turn. The linkage rod 222 moves upward to keep the dust blocking plate 221 in a vertically folded state, i.e., the dust blocking plate 221 leans against the inner wall of the dust blocking pipe 210, so as to dump the dust. The linkage rod 222 moves downwards to enable the dust blocking plates 221 to be in an inclined unfolding state, so that the dust blocking plates 221 are in a working state, when dust and gas pass through the dust blocking pipeline 210, the dust is blocked by the plurality of dust blocking plates 221 alternately, and the gas passes through smoothly. The top end of the linkage rod 222 is provided with an electric push rod 225 for driving the linkage rod to move up and down. The filtering apparatus 300 includes a filtering pipe 310 communicated with the ash blocking pipe 210 and a pipe fan 320 installed at the top end of the filtering pipe 310, wherein the gas passing through the ash blocking pipe 210 is introduced through the filtering pipe 310, and the gas in the filtering pipe 310 is sucked by the pipe fan 320 for transportation. The square opening has been seted up to the bottom surface that filter tube 310 is L type and corner, and is provided with water tank 330 under the square opening, square opening size and water tank 330 top open size looks adaptation to can seal filter tube 310 inside behind the fixed water tank 330. The top of the water tank 330 is provided with a plurality of rotatable filter sheets 340, the plurality of filter sheets 340 are combined in an annular equal interval manner, the rotating radius of the plurality of filter sheets 340 is equal to the inner height of the filter pipe 310, the length of the square opening is equal to the rotating diameter of the plurality of filter sheets 340, so that gas and a small amount of dust in the filter pipe 310 can only rotate along with the filter sheets 340, the gas and the small amount of dust pass through the top of the water tank 330 and are washed away by clean water in the water tank again, and the gas smoothly enters the vertical section of the filter pipe 310 along with the re-rotation of the filter sheets 340 and is sucked away by the pipeline fan 320. The top end of the filter 340 is provided with the arc plate 341, which is beneficial to blocking dust attached to the filter 340, an included angle is formed between the central axis of the arc plate 341 and the rotation axis of the plurality of filters 340, the included angle is preferably 3 degrees to 5 degrees, so that the phenomenon that the arc plate 341 and the inner wall of the filter pipe 310 have too large gap, air leakage and dust leakage is avoided, meanwhile, the arc plate 341 is slightly inclined by the structure, when the arc plate blocks dust and enters clean water of the water tank 330, the clean water is stirred by the filters 340, and then the dust can be rapidly taken away along the inclined arc plate 341. A reduction motor 350 for driving the plurality of filter sheets 340 to rotate is installed at the rear of the top of the water tank 330.

Specifically, the top end of the ash blocking plate 221 is symmetrically provided with the collars 2210 along the width direction, the ash blocking plate 221 penetrates through the inner and outer walls of the ash blocking pipe 210 through the pins and is rotatably connected with the inner holes of the collars 2210, and the collars 2210 are close to the inner wall of the ash blocking pipe 210. The outer side surface of the dust blocking plate 221 is provided with a plurality of grooves 2211 at equal intervals, which is beneficial to blocking and storing dust. The middle part of the inner side of the top end of the ash blocking plate 221 is vertically provided with the shifting block 2212, the top end of the shifting block 2212 and the side away from the ash blocking plate 221 are provided with the arc block 2213, namely the tip end of the arc block 2213 is positioned on one side of the shifting block 2212, so that after the shifting block 2212 rotates to be in a vertical state, the arc block 2213 can be in contact with the top of the clamping groove 2220, and when the linkage rod 222 moves downwards, the arc block 2213 can be pressed through the clamping groove 2220 to tilt the ash blocking plate 221 to play a role in blocking ash.

Further, a plurality of clamping grooves 2220 are formed in the front side face of the linkage rod 222 at equal intervals, the clamping grooves 2220 are inserted into the shifting block 2212, the bottom face of each clamping groove 2220 is inclined and extends towards the lower portion of the inner portion of the ash blocking pipeline 210, when the linkage rod 222 moves upwards, the shifting block 2212 is pushed by the bottom inclined face of each clamping groove 2220 to rotate around the pins in the sleeve ring 2210, so that the ash blocking plate 221 is close to the inner wall of the ash blocking pipeline 210, and dust accumulated on the ash blocking plate 221 can be poured down. The configuration of slot 2220 allows block 2212 to be angled from vertical without interference. Limiting edges 2222 in a long strip structure are symmetrically arranged on two sides of the linkage rod 222, a rod seat 223 connected with the linkage rod 222 in a sliding mode is clamped inside the long groove 211, the rod seat 223 is in a concave structure, and sinking grooves connected with the limiting edges 2222 in an inserting mode are formed in two inner sides of the rod seat 223, so that the linkage rod 222 is guided to move up and down. The bottom end of the long slot 211 is symmetrically provided with a return spring 2221 for moving up against the linkage rod 222. A sealing shell 224 is arranged outside the dust blocking pipeline 210 and outside the long groove 211 through bolts, so that the long groove 211 is sealed, and dust in the dust blocking pipeline 210 is prevented from being discharged.

Further, a dust collecting pipe 212 communicated with the inside of the dust blocking pipeline 210 is vertically arranged at the bottom end of the dust blocking pipeline and used for storing dust falling from the dust blocking plate 221. The bottom of the dust collecting pipe 212 is hinged with a sealed cover, the other end of the dust collecting pipe is fixedly connected with the side surface of the dust collecting pipe 212 through a pin, the cover can be opened by pulling out the pin, and dust is cleaned and released. The bottom end of the ash blocking pipeline 210 is horizontally provided with a vent pipe 213 communicated with the inside of the ash blocking pipeline for exhausting gas. One end of the filtering pipe 310 is fixedly connected with the breather pipe 213 by a bolt, thereby introducing gas flowing through the breather pipe 213. An exhaust hood 321 is arranged at one end of an air outlet of the duct fan 320, the inner size of a front port of the exhaust hood 321 is matched with the size of an air inlet 413, the exhaust hood 321 is fixedly connected with the dust removal box 410 through bolts, and gas is diffused and exhausted into the dust removal box 410 through the exhaust hood 321.

In addition, the top end of the water tank 330 is open and the bottom end is provided with a drain pipe 332 communicated with the inside of the water tank, and one side of the drain pipe 332 is provided with a water valve for controlling the discharge of sewage from the drain pipe 332. A water injection nozzle 331 communicated with the inside of the water tank 330 is arranged at the top corner of the water tank 330 and used for injecting clean water from the outside of the water tank into the water tank 330. The round shafts are welded at the intersection of the plurality of filter discs 340 and are coaxially connected with the speed reducing motor 350, the two ends of each round shaft are inserted into the middle round holes at the two sides of the top end of the water tank 330, the speed reducing motor 350 is started to drive the plurality of filter discs 340 to rotate around the round shafts, and the filter discs are continuously and alternately blocked off dust passing through the filter pipes 310 and then dissolved in clean water of the water tank 330 to be precipitated.

One side of filter equipment 300 is provided with dust collector 400, and dust collector 400 is including being box structure and front end open-ended dust removal case 410, the inside a plurality of dust removal bags 420 that are vertically and horizontally lattice distribution of dust removal case 410 and the air-blower 430 that can clear up dust removal bag 420 surface deposition of dust removal case 410 top front end installation. The front end of the dust removing box 410 is connected with a square plate through a bolt, so that the dust removing box 410 is sealed, the dust removing bag 420 can remove dust of gas entering the dust removing box 410, and the gas after dust removal can be collected and discharged. The inner wall of the dust removing box 410 is welded with a sealing plate 411 near the front end, and a space is left between the sealing plate 411 and the square plate, namely a gas gathering space after dust removal. The end surface of the sealing plate 411 is opened with a plurality of through holes 412 for placing a plurality of dust removing bags 420. The middle of the left side of the dust removing box 410 is provided with a rectangular air inlet 413, the right side of the dust removing box 410 and the front of the sealing plate 411 are provided with a plurality of air outlets 414, and the gas gathered between the sealing plate 411 and the square plate is exhausted from the air outlets 414. The inside of dust removal case 410 and be located the upper and lower side of air inlet 413 and be provided with air guide cover 415 for the water conservancy diversion gas, make it evenly distributed in dust removal case 410 evenly by a plurality of dust removal bags 420 remove dust, and then the extension is close to near the dust removal cycle of the dust removal bag 420 of air inlet 413. The rear inner wall of dust removal case 410 and from last to welding down have a plurality of gas boards 416 that are arch, from last every gas board 416 down all is located the below of every layer of through-hole 412 in the horizontal direction, and dust removal case 410 bottom is equipped with the collection ash case 418 rather than inside being linked together, and the bottom of gathering ash case 418 has also articulated sealed lid, opens then can release its inside dust. The setting of gas distribution plate 416 does benefit to and separates the gas that gets into in dust removal case 410, is removed dust by regionalization, when shaking the dust outside dust bag 420 simultaneously, does benefit to the guide dust and slides to the inside both sides of dust removal case 410 and fall to gathering in the ash box 418, is concentrated and is collected, avoids on falling into the dust bag 420 of below, influences its dust removal effect. The air outlet of the air blower 430 is closely inserted with a main air pipe 431 penetrating through the interior of the dust removal box 410, the main air pipe 431 is located right ahead of the middle of the sealing plate 411, the two sides of the main air pipe 431 are provided with air distribution pipes 432 flush with each layer of the through holes 412, the rear of each air distribution pipe 432 is provided with an air outlet pipe 433 guiding air flow to enter the through holes 412, the main air pipe 431, the air distribution pipes 432 and the air outlet pipes 433 are communicated in a homogeneous mode, the bottom end of the main air pipe 431 is sealed, the two ends of each air distribution pipe 432 are sealed, so that air flow generated during the work of the air blower 430 is flushed into the dust removal bags 420 in the through holes 412 through the air outlet pipes 433, and is flushed through multiple air flows, and further dust accumulated on the outer.

Specifically, the top end of the gas guide hood 415 is provided with a gas outlet hood opening 4152, and the gas outlet hood openings 4152 of the upper and lower gas guide hoods 415 are respectively positioned at one side of the gas distribution plate 416 at the upper and lower sides, so that the discharged gas is distributed into the dust removal bag 420 areas positioned at the upper and lower sides in the dust removal box 410. The bottom end of the gas guide cover 415 is provided with a gas inlet cover opening 4151, the gas inlet cover openings 4151 of the upper and lower gas guide covers 415 are respectively positioned at the upper and lower horizontal sides of the gas inlet 413, wherein the area of the region of the gas inlet cover opening 4151 is one third of the area of the region of the gas inlet 413, so that the gas entering the dust removal box 410 is divided into three parts, two parts are divided through the gas guide cover 415, and the gas entering the middle region of the gas inlet 413 flows to the middle part of the dust removal box 410 and is removed dust by the dust removal bag 420 positioned at the middle part.

Further, a supporting plate 417 having a semicircular structure and having the same central axis as the through hole 412 is welded to the rear inner wall of the dust removing box 410, and is used for supporting the tail end of the dust removing bag 420. The dust bag 420 is made of a glass fiber needle felt into a cylindrical shape with one open end, and has high porosity and small resistance to gas filtration, so that dust is blocked on the outer surface of the dust bag when gas enters the dust bag 420, and more transparent gas flows from the front port of the dust bag 420 to a space left between the sealing plate 411 and the square plate to be discharged. The inside and outside of dust bag 420 is equipped with inner cylinder cover 421 and outer cylinder cover 422 respectively, and both adopt plastics to make fretwork tubulose to press from both sides dust bag 420 inside and outside and prop it up, its fretwork form also does benefit to in gaseous entering dust bag 420. The front end and the rear end of the outer cylinder cover 422 are respectively in inserting fit with the through hole 412 and the supporting plate 417, so that the dust removal bag 420 is placed stably and is convenient to disassemble and assemble.

One side of the dust removing device 400 is provided with an electrostatic dust collector 500, the electrostatic dust collector 500 comprises a dust removing cylinder 510, a collecting cylinder 520 sleeved inside the dust removing cylinder 510 and a corona tube 530 suspended on the central shaft of the collecting cylinder 520, the collecting cylinder 520 is connected with a positive power supply through a wire, the corona tube 530 is connected with a negative power supply through a wire, after the power is switched on, a non-uniform electric field is established between the collecting cylinder 520 and the corona tube 530, and the electric field around the corona tube 530 is maximum. When the actual electric field intensity is close to the breakdown electric field of air, air is ionized to form a large amount of positive ions and free electrons. The free electrons drift to the positive pole along with the electric field, and collide with neutral molecules or particles in the gas dust in the drift process, and the dust particles absorb the electrons to form charged particles, so that the original neutral dust is charged negatively. Under the action of the electric field, these negatively charged dust particles continue to move to the positive electrode and finally adhere to the inner wall of the collector drum 520, so that the minute dust in the gas is removed. The top of collection torch 520 is equipped with the ring limit of outside extension, does benefit to take on the top of dust removal section of thick bamboo 510, and the top mouth of collection torch 520 is close to be pegged graft and is had the plastics ring 521 of plastics material, and corotron 530 and the cooperation of pegging graft of the centre bore of plastics ring 521 for corotron 530 suspension is stable and the dismouting is convenient.

Specifically, the pipeline fan 320 is installed on one side of the bottom of the dust removing cylinder 510, the air inlet end at the top of the pipeline fan 320 is connected with the air inlet pipe 322, the air inlet pipe 322 is in plug fit with the air outlet 414, the air outlet end at the bottom of the pipeline fan 320 penetrates through the bottom of the dust removing cylinder 510 through a pipeline, the pipeline fan 320 is started to generate suction force to suck dust removing gas between the sealing plate 411 and the square plate to the bottom of the dust removing cylinder 510, and then the dust removing gas is diffused up along the dust removing cylinder 510, and in the process, the electric collecting tube 520 and the corona tube 530 are respectively connected with a positive power supply and a negative power. An ash drawing opening 511 is formed in one side of the bottom of the dust removing cylinder 510, a sealing cover is hinged to one side of the ash drawing opening 511, one end of the sealing cover is fixedly connected with the outer side of the dust removing cylinder 510 through a bolt, and accumulated dust at the bottom of the dust removing cylinder 510 can be drawn out from the ash drawing opening 511 by opening the sealing cover, so that the cleaning effect is achieved.

Further, a vibrating tube 540 for striking the current collecting tube 520 is disposed at one side of the dust removing cylinder 510, so that the current collecting tube 520 vibrates, and dust adsorbed on the inner wall of the current collecting tube falls to the bottom of the dust removing cylinder 510. The vertical symmetry in one side of a dust removal section of thick bamboo 510 is provided with spacing post 516, a plurality of logical grooves 515 have been seted up to one side equidistant that just is located spacing post 516 on a dust removal section of thick bamboo 510, it pegs graft and rotatable with the spacing post 516 of upper and lower side at the upper and lower end of vibrating tube 540, the welding of one side of vibrating tube 540 has the piece 541 of strikeing that corresponds the joint with logical groove 515, it strikes on the outer wall at current collection section of thick bamboo 520 to strike piece 541 to see through logical groove 515, make it vibrate to produce, the quantity that leads to groove 515 is three at least, and evenly distributed is in one side of a dust removal section of thick bamboo 510, make current collection torch 520 struck by strikeing piece 541 evenly, make current. A warping block 542 is welded in the middle of the other side of the vibrating tube 540, a plurality of pressure springs 543 are embedded between the warping block 542 and the dust removing cylinder 510, a servo motor 512 is installed on the outer side of the dust removing cylinder 510, the output end of the servo motor 512 is coaxially connected with a round wheel 513 which is located at the same horizontal position with the warping block 542, one side of the round wheel 513 is provided with a round block 514 which is used for contacting the warping block 542, after the electrostatic dust removing operation is finished, the servo motor 512 is started to drive the round wheel 513 to rotate until the round block 514 contacts the warping block 542 at the moment, the vibrating tube 540 is driven to rotate, the knocking block 541 is far away from the through groove 515, after the round block 514 is separated from the warping block 542, the warping block 542 is reset under the resilience force of the pressure springs 543, the knocking block 541 is clamped into the through groove 515 instantaneously, the electric collecting tube 520 is struck, vibration is generated, dust on the inner wall of the vibrating tube is.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An efficient dust removal process for dust gas is characterized in that: the method comprises the following steps:

firstly, a dust gas preliminary removing stage:

secondly, a large amount of dust gas is removed:

thirdly, dust gas final removing stage:

2. The process for efficiently removing dust from a dust gas according to claim 1, wherein: a plurality of the cassette is the equidistant combination of annular, and the radius of rotation of a plurality of cassettes equals with the interior height of filter tube, and the top of cassette is equipped with the circular arc board, and has the contained angle between the axis of circular arc board and the rotation axis of a plurality of cassettes, and the top opening and the bottom of water tank are equipped with the drain pipe rather than inside being linked together, and the water valve is installed to drain pipe one side, and the top corner of water tank is equipped with the water filling nozzle rather than inside being linked together, and the crossing welding of a plurality of cassettes has circle axle and gear motor coaxial coupling.

3. The process for efficiently removing dust from a dust gas according to claim 1, wherein: the top of blocking the ash board just is equipped with the lantern ring along its width direction symmetry, and the blocking ash board runs through blocking the ash pipeline inside and outside wall and lantern ring hole through the pin and rotates the connection, and a plurality of recesses have been seted up to the lateral surface of blocking the ash board equidistant, and the inboard middle part in top of blocking the ash board is vertical to be equipped with the shifting block, and the top of shifting block just deviates from blocking ash board one side and is equipped with the circular arc piece.

4. The process for efficiently removing dust from a dust gas according to claim 1, wherein: the dust collecting pipe is arranged in the vertical direction of the bottom end of the dust blocking pipeline and communicated with the inside of the dust blocking pipeline, the vent pipe is arranged in the horizontal direction of the bottom end of the dust blocking pipeline and communicated with the inside of the dust blocking pipeline, one end of the filter pipe is fixedly connected with the vent pipe through a bolt, an exhaust hood is arranged at one end of an air outlet of the pipeline fan, the inner size of a front port of the exhaust hood is matched with the size of an air inlet, and the exhaust hood is fixedly connected with the dust removal box through a.

5. The process for efficiently removing dust from a dust gas according to claim 3, wherein: the linkage rod moves upwards to enable the ash blocking plate to be in a vertical furled state, the linkage rod moves downwards to enable the ash blocking plate to be in an inclined unfolded state, a plurality of clamping grooves are formed in the front side face of the linkage rod at equal intervals, the clamping grooves are connected with the shifting block in an inserting mode, the bottom faces of the clamping grooves are inclined and extend towards the lower portion of the inner portion of the ash blocking pipeline, limiting edges in a long strip structure are symmetrically arranged on two sides of the linkage rod, rod seats connected with the linkage rod in a sliding mode are clamped inside the long grooves, and reset springs are symmetrically arranged at the bottom ends of the long grooves.

6. The process for efficiently removing dust from a dust gas according to claim 1, wherein: the front end mouth of dust removal case has the square plate through bolted connection, the inner wall of dust removal case and the welding of being close to front end department have the closing plate, a plurality of through-holes that can put into a plurality of dust removal bags are seted up to the terminal surface of closing plate, from last every gas board that divides all to be located the below of every layer of through-hole on the horizontal direction down, the rear inner wall welding of dust removal case has the layer board with the semi-circular structure of through-hole with the axis, the dust removal bag adopts the fine acupuncture felt of glass to make one end open-ended cylindricly, the inside and outside cover of dust removal bag is equipped with inner cylinder cover and outer cylinder cover respectively, the front and back end.

7. The process for efficiently removing dust from a dust gas according to claim 1, wherein: the top of air guide cover is equipped with the air outlet cover mouth, and the air outlet cover mouth of upper and lower air guide cover is located gas distribution plate one side of upper and lower side respectively, and the bottom of air guide cover is equipped with the air inlet cover mouth, and the air inlet cover mouth of upper and lower air guide cover is located the upper and lower level one side of air inlet respectively, and the main tuber pipe is located the dead ahead in middle part of closing plate.

8. The process for efficiently removing dust from a dust gas according to claim 1, wherein: the pipeline fan is installed to the bottom one side of a dust removal section of thick bamboo, and the top inlet end of pipeline fan is connected with the intake pipe, and the cooperation of pegging graft of intake pipe and gas outlet, the bottom one side of a dust removal section of thick bamboo has been seted up and has been drawn the ash mouth, and one side of drawing the ash mouth articulates there is sealed lid, and the bolt fixed connection is passed through in the one end of sealed lid and the outside of a dust removal section of thick bamboo, and the bottom of pipeline fan is given vent to anger the end.

9. The process for efficiently removing dust from a dust gas according to claim 1, wherein: the top of collection torch is equipped with the ring limit of outside extension, and the top port of collection torch closely the joint has the plastics ring of plastics material, and the cooperation is pegged graft to the centre bore of corotron and plastics ring, and positive power is connected through the wire to the current collection section of thick bamboo, and the corotron passes through the wire and connects the negative power.

10. The process for efficiently removing dust from a dust gas according to claim 9, wherein: the vertical symmetry in one side of a dust removal section of thick bamboo is provided with spacing post, and the dust removal section of thick bamboo is gone up and is located one side of spacing post equidistant a plurality of logical grooves of having seted up, and the last lower extreme of vibrating tube is pegged graft and rotatable with the spacing post of upper and lower side, and the opposite side middle part welding of vibrating tube has the stick-up piece, inlays between stick-up piece and the dust removal section of thick bamboo and is equipped with a plurality of pressure springs, and servo motor's output coaxial coupling has and is in the round wheel with horizontal position with the stick-up piece, and one.