CN114225572A - Low-resistance and low-emission straight-through flow-equalizing cloth bag dust removal equipment and method thereof - Google Patents
Low-resistance and low-emission straight-through flow-equalizing cloth bag dust removal equipment and method thereof Download PDFInfo
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- CN114225572A CN114225572A CN202111549674.3A CN202111549674A CN114225572A CN 114225572 A CN114225572 A CN 114225572A CN 202111549674 A CN202111549674 A CN 202111549674A CN 114225572 A CN114225572 A CN 114225572A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0047—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for discharging the filtered gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The invention discloses a low-resistance low-emission straight-through uniform-flow type cloth bag dust removing device and a method thereof, which belong to the technical field of cloth bag dust removal and solve the problems of large dust removing resistance and low efficiency. The mode of exhaust and slag discharge co-directional flow is adopted, the gas-slag flowability is accelerated, the flow rate is high, the dust removal efficiency is improved, the slag concentration is reduced, the resistance of a dust remover to slag is reduced, and the quality of discharged gas is improved.
Description
Technical Field
The invention relates to the technical field of bag-type dust removal, in particular to low-resistance and low-emission straight-through flow-equalizing bag-type dust removal equipment and a method thereof.
Background
A dust collector or dust removal equipment is equipment that separates dust from flue gas. The bag-type dust collector is also called a filter type dust collector, and is a dry type high-efficiency dust collector which is a dust collector for collecting solid particles in dust-containing gas by utilizing a bag-type filter element made of fiber weaved materials. The principle of action is that dust particles are intercepted by colliding with the fibers due to the action of inertia force when bypassing the fibers of the filter cloth, wherein the dust is attached to the outer surface of the filter bag. When the dust-containing gas passes through the dust remover, the dust is trapped on the outer surface of the filter bag, and the clean gas enters the interior of the filter bag through the filter material. The cage inside the bag serves to support the bag against collapse and at the same time it facilitates the removal and redistribution of the dust cake.
Patent No. CN201910856668.9 discloses a sack cleaner, including filtering component, the last deashing structure that sets up of filtering component, the deashing structure is established the annular elastic component in the filtering component outside including the cover, be equipped with the connecting piece on the annular elastic component, the connecting piece is connected with the cam mechanism of connection on the sack cleaner, the connecting piece promotes through the cam in the cam mechanism and draws annular elastic component to warp and make it leave filtering component. During the deashing, because the rotation of cam, promote the connecting piece to the direction motion of keeping away from filter assembly, connecting piece traction ring shape elastic component takes place alternate deformation/resilience, makes filter assembly's the outside receive similar effect of patting, and then can pat the dust on the filter assembly outer wall and clear away, reduces the dust of filter assembly outer wall adhesion to improve the deashing effect of filter bag, the cycle that the extension filter bag was changed. However, in the above patent, the surface flexibility of dust and waste gas to be filtered is high, the viscosity between the dust and the cloth bag is high, the dust and the waste gas to be filtered are easily attached, so that the gas flow resistance is high, the homogenization degree of the waste gas mixture is low, the dust filtering difficulty is high only by the cloth bag, and the quality of the filtered gas is poor.
Disclosure of Invention
The invention aims to provide low-resistance low-emission straight-through uniform-flow cloth bag dust removal equipment and a method thereof, which adopt a mode of exhaust and slag discharge in the same direction to accelerate the flowability of gas slag, have high flow rate and improved dust removal efficiency, reduce the density of slag materials, reduce the resistance of a dust remover to the slag materials and improve the quality of discharged gas so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the low-resistance low-emission straight-through flow-equalizing cloth bag dust removing device comprises a flue inlet mechanism, a dust remover shell, a gas-slag distributor, a cloth bag dust remover, a dust removing hopper, a slag discharging valve and an exhaust mechanism, wherein the lower end of the flue inlet mechanism is connected with the gas-slag distributor, the gas outlet of the gas-slag distributor is connected with the dust remover shell, the cloth bag dust remover is installed in the middle of the dust remover shell, the dust removing hopper is installed at the lower end of the dust remover shell, the slag discharging valve is installed at the outlet of the lower end of the dust removing hopper, the exhaust mechanism is arranged in the dust removing hopper, and the exhaust mechanism is connected with the cloth bag dust remover.
Further, flue import mechanism includes pipeline one, pipeline two, advances the mouth valve, side direction air inlet, pipeline three, guide plate and air inlet valve, be connected with into the mouth valve between pipeline one and the pipeline two, and the external connection of pipeline one and pipeline two has pipeline three, the one end of pipeline three is connected with the air inlet valve, and the other end intercommunication of pipeline three has the side direction air inlet, and the side direction air inlet is seted up on the lateral wall of pipeline one, all install the guide plate on the inner wall of pipeline three and pipeline one.
Further, the gas slag uniform distributor comprises a first homogenizing plate, a second homogenizing plate, a uniform distributor shell, a left support frame, a right support frame, a first cylinder assembly, a second cylinder assembly and an air pump, wherein the left support frame is arranged on the left side of the uniform distributor shell, the first cylinder assembly and the second cylinder assembly are installed in the left support frame, the air pump is connected between the first cylinder assembly and the second cylinder assembly through a pipeline, the right support frame is arranged on the right side of the uniform distributor shell, the first homogenizing plate and the second homogenizing plate are arranged between the left support frame and the right support frame, the left end of the first homogenizing plate is fixedly connected with an air rod of the first cylinder assembly, the right end of the first homogenizing plate is slidably connected with the right support frame, the left ends of the second homogenizing plate are fixedly connected with an air rod of the second cylinder assembly, and the right end of the second homogenizing plate is slidably connected with the right support frame.
Furthermore, the homogenizing plate I and the homogenizing plate II are consistent in structure, a plurality of through holes are formed in the homogenizing plate I and the homogenizing plate II, and the through holes are in a horn shape with the wide upper end and the narrow lower end.
Further, the bag-type dust collector comprises a bag body, bag cages, bag support frames and gas collecting pipes, wherein the adjacent bag cages are staggered in height, the bag body is sleeved outside the bag cages, the bag support frames are connected to the upper ends of the bag cages, the edges of the bag support frames are fixedly connected to the inner wall of the shell of the dust collector, and the gas collecting pipes are connected with the gas exhaust mechanism.
Furthermore, the cloth bag support frame is composed of a plurality of straight rods and L-shaped bent rods, adjacent cloth bag cages are connected with each other through the L-shaped bent rods, and adjacent L-shaped bent rods are connected with each other through the straight rods.
Further, exhaust mechanism includes solenoid valve one, admission pipe, exhaust chamber, strains gas granule, discharge pipe, clean grey subassembly and solenoid valve two, the upper end of exhaust chamber is connected with the admission pipe, the series connection has solenoid valve one on the admission pipe, the lower extreme of exhaust chamber is connected with the discharge pipe, the series connection has solenoid valve two on the discharge pipe, it strains the gas granule to place in the exhaust chamber, and installs clean grey subassembly in the exhaust chamber.
Further, the ash purification assembly comprises an ash purification pipe, a third electromagnetic valve, a fan and a pulse generator, the pulse generator is installed at the lower end of the exhaust chamber, the upper end of the exhaust chamber is communicated with the ash purification pipe, the third electromagnetic valve is connected to the ash purification pipe in series, and the fan is installed at the end part of the ash purification pipe.
According to another aspect of the invention, a dust removal method of a low-resistance and low-emission straight-through flow-equalizing cloth bag dust removal device is provided, which comprises the following steps:
s101: flue gas and gas mixed with a hardening agent enter the gas-slag uniform distributor from a flue inlet mechanism;
s102: the gas slag uniform distributor mixes and homogenizes the flue gas and the hardening agent and then discharges the mixture into a shell of the dust remover;
s103: the slag enters an ash removing hopper and is discharged out of the shell of the dust remover through a slag discharging valve;
s104: the gas filtered by the bag-type dust collector enters the exhaust mechanism, is purified by the exhaust mechanism and then is discharged out of the shell of the dust collector.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides low-resistance low-emission straight-through flow-equalizing cloth bag dust removing equipment and a method thereof, wherein the gas slag fluidity is accelerated by adopting a mode of exhaust and slag discharge cocurrent flow, the flow rate is high, and the dust removing efficiency is improved;
2. the invention provides low-resistance low-emission straight-through flow-equalizing cloth bag dust removal equipment and a method thereof.A homogenizing plate which can move relative to each other is adopted to homogenize gas of flue gas and mixed hardened gas, the homogenization rate can be improved aiming at the mixed gas of gas-slag primary separation, the slag concentration is reduced, and the resistance of a dust remover to slag is further reduced;
3. the invention provides low-resistance low-emission straight-through flow-equalizing cloth bag dust removing equipment and a method thereof.A mixed gas flowing in the same direction is added into flue gas at an air inlet, a hardening agent is added into the mixed gas, and the hardening agent is utilized to harden the surface of waste materials to form slag, so that the resistance of filtration and gas-slag flowing is reduced, and the efficiency of filtration and dust removal is improved;
4. the invention provides low-resistance low-emission straight-through flow-equalizing cloth bag dust removal equipment and a method thereof.A gas purification structure is arranged at an air outlet, so that gas is further purified after dust is discharged, and the quality of the discharged gas is improved.
Drawings
FIG. 1 is an overall structure diagram of a low-resistance low-discharge straight-through flow-equalizing cloth bag dust removal device of the present invention;
FIG. 2 is a structural diagram of a flue inlet mechanism of the low-resistance low-emission straight-through flow-equalizing cloth bag dust removal device of the invention;
FIG. 3 is a structural diagram of a gas-slag equilizer of the low-resistance low-emission straight-through flow-equalizing cloth bag dust removal equipment of the invention;
FIG. 4 is a connection diagram of an air pump of the low-resistance low-discharge straight-through flow-equalizing cloth bag dust removal device of the invention;
FIG. 5 is a structural diagram of a bag-type dust collector of the low-resistance low-emission straight-through flow-equalizing bag-type dust collector of the invention;
FIG. 6 is a side view of a bag-type dust collector of the low-resistance low-emission straight-through flow-equalizing bag-type dust collector of the present invention;
FIG. 7 is a connection diagram of an exhaust mechanism of the low-resistance low-emission straight-through flow-equalizing cloth bag dust removal device of the present invention;
FIG. 8 is a structural view of an exhaust mechanism of the low-resistance low-emission straight-through flow-equalizing cloth bag dust removal device of the present invention;
fig. 9 is a flow chart of the method of the low-resistance and low-discharge straight-through flow-equalizing cloth bag dust removal device of the present invention.
In the figure: 1. a flue inlet mechanism; 11. a first pipeline; 12. a second pipeline; 13. a smoke inlet valve; 14. a lateral air inlet; 15. a third pipeline; 16. a baffle; 17. an air inlet valve; 2. a dust collector housing; 3. a gas-slag uniform distributor; 31. homogenizing a plate I; 32. a second homogenizing plate; 33. a homogenizer housing; 34. a left direction support frame; 35. a right-hand support frame; 36. a cylinder assembly I; 37. a cylinder component II; 38. an air pump; 4. a bag-type dust collector; 41. a cloth bag body; 42. a cloth bag cage; 43. a cloth bag support frame; 44. a gas collecting pipe; 5. a dust removal hopper; 6. a slag discharge valve; 7. an exhaust mechanism; 71. a first electromagnetic valve; 72. an inlet pipe; 73. an exhaust chamber; 74. filtering gas particles; 75. a discharge pipe; 76. a ash removal assembly; 761. a dust cleaning pipe; 762. a third electromagnetic valve; 763. a fan; 764. a pulse generator; 77. and a second electromagnetic valve.
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.
Referring to fig. 1, the low-resistance low-emission straight-through uniform-flow type cloth bag dust removing device comprises a flue inlet mechanism 1, a dust remover shell 2, a gas-slag uniform distributor 3, a cloth bag dust remover 4, a dust removing hopper 5, a slag discharging valve 6 and an exhaust mechanism 7, wherein the lower end of the flue inlet mechanism 1 is connected with the gas-slag uniform distributor 3, a gas outlet of the gas-slag uniform distributor 3 is connected with the dust remover shell 2, the cloth bag dust remover 4 is installed in the middle of the dust remover shell 2, the dust removing hopper 5 is installed at the lower end of the dust remover shell 2, the slag discharging valve 6 is installed at the lower end outlet of the dust removing hopper 5, the exhaust mechanism 7 is arranged in the dust removing hopper 5, and the exhaust mechanism 7 is connected with the cloth bag dust remover 4.
Referring to fig. 2, the flue inlet mechanism 1 includes a first pipe 11, a second pipe 12, a smoke inlet valve 13, a lateral air inlet 14, a third pipe 15, a guide plate 16 and an air inlet valve 17, the smoke inlet valve 13 is connected between the first pipe 11 and the second pipe 12, the first pipe 11 and the second pipe 12 are externally connected with the third pipe 15, one end of the third pipe 15 is connected with the air inlet valve 17, the other end of the third pipe 15 is communicated with the lateral air inlet 14, the lateral air inlet 14 is arranged on the side wall of the first pipe 11, the guide plate 16 is arranged on the inner walls of the third pipe 15 and the first pipe 11, a mixed gas flowing in the same direction is added into the smoke at the air inlet, a hardening agent is added into the mixed gas, the hardening agent is used for hardening the surface of the waste material to form slag, so that the resistance of filtering and gas slag flowing is reduced, and the efficiency of filtering and dust removing is improved.
Referring to fig. 3 to 4, the gas-slag equilizer 3 comprises a first homogenizing plate 31, a second homogenizing plate 32, an equilizer housing 33, a left support frame 34, a right support frame 35, a first cylinder assembly 36, a second cylinder assembly 37 and an air pump 38, wherein the left side of the equilizer housing 33 is provided with the left support frame 34, the first cylinder assembly 36 and the second cylinder assembly 37 are installed in the left support frame 34, the air pump 38 is connected between the first cylinder assembly 36 and the second cylinder assembly 37 through a pipeline, the right side of the equilizer housing 33 is provided with the right support frame 35, the first homogenizing plate 31 and the second homogenizing plate 32 are arranged between the left support frame 34 and the right support frame 35, wherein the left end of the first homogenizing plate 31 is fixedly connected with an air rod of the first cylinder assembly 36, the right end of the first homogenizing plate 31 is slidably connected with the right support frame 35, the left end of the second homogenizing plate 32 is fixedly connected with an air rod of the second cylinder assembly 37, the right end of the second homogenizing plate 32 is slidably connected with the right support frame 35, the structure of homogenization board 31 and homogenization board two 32 is unanimous, and both all open a plurality of through-holes that are equipped with, and this through-hole is the wide narrow tubaeform of lower extreme in upper end, and the homogenization board that adopts relative movement each other carries out the homogenization with the gas of flue gas, mixed sclerosing gas, and the gas mixture to gas sediment initial segregation can improve the homogenization rate, reduces the slag charge concentration, and then reduces the resistance of dust remover to the slag charge.
Referring to fig. 5 to 6, the bag-type dust collector 4 includes bag bodies 41, bag cages 42, bag support frames 43 and a gas collecting pipe 44, the adjacent bag cages 42 are staggered in height, the bag bodies 41 are sleeved outside the bag cages 42, the upper ends of the bag cages 42 are connected with the bag support frames 43, the edges of the bag support frames 43 are fixedly connected to the inner wall of the dust collector shell 2, and the gas collecting pipe 44 is arranged at the lower end of the bag body 41 and is connected with the gas exhaust mechanism 7; the cloth bag support frame 43 is composed of a plurality of straight bars and L-shaped bent bars, adjacent cloth bag cages 42 are connected with each other through the L-shaped bent bars, and adjacent L-shaped bent bars are connected with each other through the straight bars.
Referring to fig. 7 to 8, the exhaust mechanism 7 includes a first electromagnetic valve 71, an inlet pipe 72, an exhaust chamber 73, filter particles 74, an exhaust pipe 75, an ash cleaning assembly 76 and a second electromagnetic valve 77, the upper end of the exhaust chamber 73 is connected with the inlet pipe 72, the inlet pipe 72 is connected with the first electromagnetic valve 71 in series, the lower end of the exhaust chamber 73 is connected with the exhaust pipe 75, the exhaust pipe 75 is connected with the second electromagnetic valve 77 in series, the exhaust chamber 73 contains the filter particles 74, and the exhaust chamber 73 is provided with the ash cleaning assembly 76; the dust cleaning assembly 76 comprises a dust cleaning pipe 761, three solenoid valves 762, a fan 763 and a pulse generator 764, the pulse generator 764 is installed at the lower end of the exhaust chamber 73, the upper end of the exhaust chamber 73 is communicated with the dust cleaning pipe 761, the three solenoid valves 762 are connected in series on the dust cleaning pipe 761, the fan 763 is installed at the end part of the dust cleaning pipe 761, a gas purification structure is arranged at the exhaust port, gas is further purified after dust is exhausted, and the quality of the gas after exhaust is improved.
Referring to fig. 9, in order to better show the dust removal process of the low-resistance and low-emission straight-through flow-equalizing type bag dust removal device, the embodiment now provides a dust removal method of the low-resistance and low-emission straight-through flow-equalizing type bag dust removal device, which includes the following steps:
s101: flue gas and gas mixed with a hardening agent enter a gas-slag uniform distributor 3 from a flue inlet mechanism 1;
s102: the gas slag uniform distributor 3 mixes and homogenizes the flue gas and the hardening agent and then discharges the mixture into the dust remover shell 2;
s103: the slag enters an ash removing hopper 5 and is discharged out of the dust remover shell 2 through a slag discharging valve 6;
s104: the gas filtered by the bag-type dust collector 4 enters the exhaust mechanism 7, is purified by the exhaust mechanism 7 and then is discharged out of the dust collector shell 2.
In summary, the following steps: the invention provides low-resistance low-emission straight-through flow-equalizing cloth bag dust removing equipment and a method thereof, wherein the gas slag fluidity is accelerated by adopting a mode of exhaust and slag discharge cocurrent flow, the flow rate is high, and the dust removing efficiency is improved; the homogenizing plates which can move relative to each other are adopted to homogenize the gas of the flue gas and the mixed hardening gas, the homogenization rate of the mixed gas which is primarily separated from the gas slag can be improved, the slag concentration is reduced, and the resistance of a dust remover to the slag is further reduced; adding mixed gas flowing in the same direction into the flue gas at the air inlet, adding a hardening agent into the mixed gas, and hardening the surface of the waste material by using the hardening agent to form slag, so that the resistance of filtration and gas-slag flowing is reduced, and the efficiency of filtration and dust removal is improved; and a gas purification structure is arranged at the air outlet, so that gas is further purified after dust is discharged, and the quality of the discharged gas is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The low-resistance low-emission straight-through uniform-flow type cloth bag dust removing device is characterized by comprising a flue inlet mechanism (1), a dust remover shell (2), a gas-slag uniform distributor (3), a cloth bag dust remover (4), a dust removing hopper (5), a slag discharging valve (6) and an exhaust mechanism (7), wherein the lower end of the flue inlet mechanism (1) is connected with the gas-slag uniform distributor (3), the gas outlet of the gas-slag uniform distributor (3) is connected with the dust remover shell (2), the cloth bag dust remover (4) is installed in the middle of the dust remover shell (2), the dust removing hopper (5) is installed at the lower end of the dust remover shell (2), the slag discharging valve (6) is installed at the lower end outlet of the dust removing hopper (5), the exhaust mechanism (7) is arranged in the dust removing hopper (5), and the exhaust mechanism (7) is connected with the cloth bag dust remover (4).
2. The low resistance, low emission straight-through, flow-equalizing, bag-type dust removal apparatus of claim 1, the flue inlet mechanism (1) comprises a first pipeline (11), a second pipeline (12), a smoke inlet valve (13), a lateral air inlet (14), a third pipeline (15), a guide plate (16) and an air inlet valve (17), a smoke inlet valve (13) is connected between the first pipeline (11) and the second pipeline (12), and the outer parts of the first pipeline (11) and the second pipeline (12) are connected with a third pipeline (15), one end of the third pipeline (15) is connected with an air inlet valve (17), the other end of the third pipeline (15) is communicated with a lateral air inlet (14), the lateral air inlet (14) is arranged on the side wall of the first pipeline (11), and guide plates (16) are respectively arranged on the inner walls of the pipeline III (15) and the pipeline I (11).
3. The low-resistance low-emission straight-through flow-equalizing cloth-bag dust-collecting equipment of claim 1, wherein the gas-slag distributor (3) comprises a first homogenizing plate (31), a second homogenizing plate (32), a distributor housing (33), a left support frame (34), a right support frame (35), a first cylinder assembly (36), a second cylinder assembly (37) and an air pump (38), the left support frame (34) is arranged at the left side of the distributor housing (33), the first cylinder assembly (36) and the second cylinder assembly (37) are installed in the left support frame (34), the air pump (38) is connected between the first cylinder assembly (36) and the second cylinder assembly (37) through a pipeline, the right support frame (35) is arranged at the right side of the distributor housing (33), the first homogenizing plate (31) and the second homogenizing plate (32) are arranged between the left support frame (34) and the right support frame (35), the left end of the first homogenizing plate (31) is fixedly connected with an air rod of a first air cylinder assembly (36), the right end of the first homogenizing plate (31) is slidably connected with a right support frame (35), the left end of the second homogenizing plate (32) is fixedly connected with an air rod of a second air cylinder assembly (37), and the right end of the second homogenizing plate (32) is slidably connected with the right support frame (35).
4. The low-resistance low-emission straight-through uniform-flow cloth bag dust removal device as claimed in claim 3, wherein the first homogenizing plate (31) and the second homogenizing plate (32) are consistent in structure, and are provided with a plurality of through holes which are in a horn shape with a wide upper end and a narrow lower end.
5. The low-resistance and low-emission straight-through uniform-flow cloth bag dust removing device as claimed in claim 1, wherein the cloth bag dust remover (4) comprises cloth bag bodies (41), cloth bag cages (42), cloth bag support frames (43) and a gas collecting pipe (44), the height of adjacent cloth bag cages (42) is staggered, the cloth bag bodies (41) are sleeved outside the cloth bag cages (42), the upper ends of the cloth bag cages (42) are connected with the cloth bag support frames (43), the edges of the cloth bag support frames (43) are fixedly connected to the inner wall of the dust remover shell (2), the gas collecting pipe (44) at the lower end of the cloth bag body (41) is connected with the gas exhaust mechanism (7).
6. The low-resistance low-emission straight-through uniform-flow cloth bag dust removing device as claimed in claim 5, wherein the cloth bag support frame (43) is composed of a plurality of straight bars and L-shaped bent bars, adjacent cloth bag cages (42) are connected with each other through the L-shaped bent bars, and adjacent L-shaped bent bars are connected with each other through the straight bars.
7. The low-resistance low-emission straight-through uniform-flow cloth bag dust removing device as claimed in claim 1, wherein the exhaust mechanism (7) comprises a first electromagnetic valve (71), an inlet pipe (72), an exhaust chamber (73), air filtering particles (74), an outlet pipe (75), an ash cleaning component (76) and a second electromagnetic valve (77), the upper end of the exhaust chamber (73) is connected with the inlet pipe (72), the inlet pipe (72) is connected with the first electromagnetic valve (71) in series, the lower end of the exhaust chamber (73) is connected with the outlet pipe (75), the outlet pipe (75) is connected with the second electromagnetic valve (77) in series, the air filtering particles (74) are placed in the exhaust chamber (73), and the ash cleaning component (76) is installed in the exhaust chamber (73).
8. The low-resistance and low-emission straight-through uniform-flow cloth bag dust removing device as claimed in claim 7, wherein the dust cleaning assembly (76) comprises a dust cleaning pipe (761), a solenoid valve III (762), a fan (763) and a pulse generator (764), the pulse generator (764) is installed at the lower end of the exhaust chamber (73), the dust cleaning pipe (761) is communicated with the upper end of the exhaust chamber (73), the solenoid valve III (762) is connected in series to the dust cleaning pipe (761), and the fan (763) is installed at the end part of the dust cleaning pipe (761).
9. The dust removal method of the low-resistance low-emission straight-through uniform-flow bag dust removal device as claimed in any one of claims 1 to 8, wherein the method comprises the following steps:
s101: flue gas and gas mixed with a hardening agent enter a gas-slag uniform distributor (3) from a flue inlet mechanism (1);
s102: the gas slag uniform distributor (3) mixes and homogenizes the flue gas and the hardening agent and then discharges the mixture into the shell (2) of the dust remover;
s103: the slag enters an ash removing hopper (5) and is discharged out of the shell (2) of the dust remover through a slag discharging valve (6);
s104: the gas filtered by the bag-type dust collector (4) enters the exhaust mechanism (7), is purified by the exhaust mechanism (7) and then is discharged out of the dust collector shell (2).
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| CN202111549674.3A CN114225572B (en) | 2021-12-17 | 2021-12-17 | Low-resistance low-emission straight-through flow-equalizing type cloth bag dust removing equipment and method thereof |
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| CN202111549674.3A CN114225572B (en) | 2021-12-17 | 2021-12-17 | Low-resistance low-emission straight-through flow-equalizing type cloth bag dust removing equipment and method thereof |
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