CN119318842A - Flue gas low temperature dry process SOx/NOx control treatment system - Google Patents
Flue gas low temperature dry process SOx/NOx control treatment system Download PDFInfo
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- CN119318842A CN119318842A CN202411579810.7A CN202411579810A CN119318842A CN 119318842 A CN119318842 A CN 119318842A CN 202411579810 A CN202411579810 A CN 202411579810A CN 119318842 A CN119318842 A CN 119318842A
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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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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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
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/508—Sulfur oxides by treating the gases with solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/83—Solid phase processes with moving reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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Abstract
本发明属于烟气处理技术领域，且公开了一种烟气低温干法脱硫脱硝治理系统，包括SDS脱硫反应器、进料机、氨水罐、SCR脱硝反应器和除尘罐；所述除尘罐的上部开设有排气室，所述除尘罐的内腔顶面竖直固定安装有除尘布袋，所述除尘布袋的内腔中设置有清理机构，所述除尘罐的顶面固定安装有高压泵机。本发明通过高压泵机、除尘布袋、清理机构配合设计，能够对除尘布袋分区域逐步清灰，清灰均匀性好，同时产生震动作用提升对除尘布袋外表面附着灰尘清理的效果，避免了除尘布袋内远离高压空气进入的一侧反吹清灰效果差，靠近高压空气进入的一侧反吹清灰效果好，降低了对除尘布袋外表面附着灰尘清理的均匀性，且降低了清理效果的问题。
The present invention belongs to the technical field of flue gas treatment, and discloses a low-temperature dry desulfurization and denitrification treatment system for flue gas, including an SDS desulfurization reactor, a feeder, an ammonia water tank, an SCR denitrification reactor and a dust removal tank; an exhaust chamber is provided on the upper part of the dust removal tank, a dust removal bag is vertically fixedly installed on the top surface of the inner cavity of the dust removal tank, a cleaning mechanism is arranged in the inner cavity of the dust removal bag, and a high-pressure pump is fixedly installed on the top surface of the dust removal tank. The present invention can gradually clean the dust removal bag in different areas through the coordinated design of the high-pressure pump, the dust removal bag and the cleaning mechanism, and the cleaning uniformity is good. At the same time, the vibration effect is generated to improve the effect of cleaning the dust attached to the outer surface of the dust removal bag, and the back-blowing cleaning effect on the side of the dust removal bag far from the high-pressure air entrance is poor, and the back-blowing cleaning effect on the side close to the high-pressure air entrance is good, which reduces the uniformity of cleaning the dust attached to the outer surface of the dust removal bag and reduces the problem of cleaning effect.
Description
Technical Field
The invention belongs to the technical field of flue gas treatment, and particularly relates to a flue gas low-temperature dry desulfurization and denitrification treatment system.
Background
The flue gas desulfurization and denitrification technology is a boiler flue gas treatment technology applied to the chemical industry for generating multiple nitrogen oxides and sulfur oxides, wherein the nitrogen oxides and the sulfur oxides are one of main sources of air pollution, and flue gas is required to be treated by a desulfurization and denitrification treatment system in the flue gas emission process.
The desulfurization and denitrification treatment system generally comprises an SCR denitrification reactor, an SDS desulfurization reactor, a bag-type dust remover, an ammonia water tank and the like, wherein smoke dust in the smoke is filtered mainly through the bag-type dust remover.
When the cloth bag dust collector in the prior art is used, smoke dust enters the dust collector, dust in the smoke dust can be filtered by the outer surface of the dust collection cloth bag, after the smoke gas penetrates into the dust collection cloth bag, the smoke gas is discharged from the opening of the dust collection cloth bag through a communication pipeline, and in order to keep the filtering effect of the dust collection cloth bag, high-pressure air is intermittently sprayed into the dust collection cloth bag to back-blow the dust attached to the outer surface of the dust collection cloth bag, so that the dust on the outer surface of the dust collection cloth bag is cleaned, but the back-blowing dust removing effect on the side, far from the inlet of the high-pressure air, of the dust collection cloth bag is poor, the back-blowing dust removing effect on the side, close to the inlet of the high-pressure air, is good, the uniformity of cleaning the dust attached to the outer surface of the dust collection cloth bag is reduced, and the cleaning effect is reduced.
Disclosure of Invention
Technical problem to be solved
In order to solve the problems in the background art, the invention provides a flue gas low-temperature dry desulfurization and denitrification treatment system, which has the advantages of convenience in operation, gradual ash removal in different areas, good ash removal uniformity and good ash removal effect, and can be used for gradual ash removal in different areas by the aid of the cooperation design of structures such as a high-pressure pump, a dust removal cloth bag and a cleaning mechanism, so that the ash removal uniformity is good, and the vibration effect can be improved to clean dust attached to the outer surface of the dust removal cloth bag.
Technical proposal
The invention provides a flue gas low-temperature dry desulfurization and denitrification treatment system, which comprises an SDS desulfurization reactor, a feeder, an ammonia water tank, an SCR denitrification reactor and a dedusting tank, wherein an exhaust chamber is arranged at the upper part of the dedusting tank, a dedusting cloth bag is vertically and fixedly arranged on the top surface of the inner cavity of the dedusting tank, a cleaning mechanism is arranged in the inner cavity of the dedusting cloth bag, and a high-pressure pump is fixedly arranged on the top surface of the dedusting tank;
The cleaning mechanism comprises a fixed frame fixedly sleeved at the bottom of the outer surface of the dust removal cloth bag, a mounting column vertically arranged in the inner cavity of the dust removal cloth bag, an annular mounting block symmetrically and fixedly arranged on the outer surface of the mounting column, two annular partition plates symmetrically and fixedly arranged on the upper side and the lower side of the annular mounting block, a group of air outlet channels circumferentially and equidistantly arranged on the upper part of the outer ring of the annular mounting block, a communication mechanism arranged on the lower part of the inner ring of the annular mounting block and in the inner cavity of the mounting column and used for conveying high-pressure air, two eccentric rollers symmetrically arranged on the left side and the right side between the two annular partition plates, a transmission mechanism arranged on the outer ring of the annular mounting block and used for driving the eccentric rollers to move circumferentially, a linkage mechanism arranged on the opposite surfaces of the two annular partition plates and a detection mechanism arranged on the two eccentric rollers;
The fixing frame is fixedly connected with the inner cavity of the dust removal tank, a hydraulic rod is vertically and fixedly installed at the center of the bottom surface of the fixing frame, when the hydraulic rod operates, the annular installation block is driven to move up and down through the communication mechanism, the outer ring of the annular separation plate is movably connected with the inner cavity wall of the dust removal cloth bag, the outer surface of the eccentric roller is movably connected with the inner cavity wall of the dust removal cloth bag, and the high-pressure pump can convey high-pressure air into the inner cavity of the installation column.
In the above technical solution, preferably, the communication mechanism includes a connection block disposed in the inner cavity of the mounting column, two U-shaped communication pipes symmetrically fixed on the left and right sides of the bottom surface of the connection block, an annular chamber disposed in the middle of the annular mounting block, and two inclined holes symmetrically disposed on the bottom surface of the annular chamber;
The lower part of the U-shaped communicating pipe penetrates to the lower part of the mounting column, an air inlet port of the U-shaped communicating pipe penetrates to the upper surface of the connecting block, an air outlet end of the U-shaped communicating pipe is fixedly connected with an inner ring of the annular mounting block, an air outlet port of the U-shaped communicating pipe is communicated with an inner cavity of the inclined hole, an inner cavity of the air outlet channel is communicated with the upper part of the inner cavity of the annular cavity, and the top end of an output shaft of the hydraulic rod is fixedly connected with the center of the bottom surface of the connecting block.
In the above technical scheme, preferably, the transmission mechanism comprises an impeller rotating in the inner cavity of the annular chamber, an annular shell rotationally sleeved on the outer surface of the annular mounting block, two cross bars symmetrically and fixedly mounted on the left side and the right side of the outer ring of the annular shell, a sealing block moving left and right in the inner cavity of the cross bar, a mounting frame movably sleeved on the connecting shafts at the upper end and the lower end of the eccentric roller through a bearing, an annular air inlet opening formed in the upper part of the inner ring of the annular shell, and two groups of air exhaust holes formed in the upper surface and the lower surface of the cross bar at equal intervals;
the annular air inlet opening is matched with the position of the air outlet channel in height, one side of the mounting frame penetrates into the inner cavity of the cross rod and is fixedly connected with the side wall of the sealing block, an annular connecting plate is fixedly mounted in the middle of the inner ring of the annular shell, the inner ring of the annular connecting plate penetrates into the inner cavity of the annular cavity, and the inner ring of the annular connecting plate is fixedly connected with the outer ring of the impeller.
In the above technical scheme, preferably, the linkage mechanism comprises two annular guide rails symmetrically and fixedly installed at the edges of opposite surfaces of the two annular separation plates and two rollers fixedly sleeved on connecting shafts at the upper end and the lower end of the eccentric roller, wherein the outer ring of each roller is movably connected with the inner ring of each annular guide rail.
In the above technical scheme, preferably, the detection mechanism comprises a mounting cavity arranged between two connecting shafts on the eccentric roller, a sliding block moving up and down in the inner cavity of the mounting cavity, a connecting rod vertically movably arranged on the upper surface of the sliding block through a bearing, an annular turntable arranged above the two eccentric rollers, an annular support plate movably arranged in an inner ring of the annular turntable through a bearing, a sliding resistance ring fixed in the inner ring of the annular support plate, a fixed resistance ring vertically arranged in the inner ring of the sliding resistance ring, a resistance detection signal wireless transmitter fixed at the bottom surface of the annular support plate and provided with a built-in power supply, a control panel fixed at the front part of the dust removal tank, and a group of ventilation holes circumferentially equidistantly arranged at the bottom surface of the inner cavity of the mounting cavity;
Wherein two moving blocks are symmetrically and transversely arranged on the left side and the right side of the bottom surface of the annular turntable in a sliding manner, the top ends of the connecting rods penetrate through the upper connecting shaft of the eccentric roller and are movably connected with the bottom surface of the moving blocks through bearings, the upper surface of annular extension board is through four spring holders that circumference equidistance set up with one the bottom surface of annular division board is connected, the inner circle wall of slip resistance ring with the outer lane wall swing joint of fixed resistance ring, slip resistance ring, fixed resistance ring respectively through the wire with resistance detection signal wireless transmitter electricity is connected.
In the above technical scheme, preferably, the top of the dust removal cloth bag is provided with an opening, the top of the dust removal cloth bag penetrates to the bottom of the inner cavity of the exhaust chamber, and an air outlet pipe communicated with the air outlet port of the high-pressure pump penetrates to the opening of the top of the dust removal cloth bag and is communicated with the upper part of the inner cavity of the mounting column.
In the above technical scheme, preferably, a drain hole is formed in the bottom surface of the inner cavity of the dust removal tank, and the drain hole is used for communicating with dust collection equipment arranged outside.
In the above technical scheme, preferably, the lower part intercommunication of SDS desulfurization reactor has the admission line, the upper portion of SDS desulfurization reactor through first siphunculus with the inner chamber lower part intercommunication of dust removal jar, surface upper portion one side of dust removal jar is provided with and is used for with the exhaust chamber with the second siphunculus of SCR denitration reactor inner chamber upper portion intercommunication, the bottom intercommunication of SCR denitration reactor has the air exhauster, the air exit end of air exhauster communicates with the inner chamber lower part of chimney, surface one side intercommunication of SDS desulfurization reactor has the feeder that is used for carrying sodium bicarbonate dry powder, the aqueous ammonia jar communicates with the inner chamber upper portion of second siphunculus through the third siphunculus.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, through the cooperation design of the structures such as the high-pressure pump, the dust removing cloth bag and the cleaning mechanism, an operator controls the intermittent operation of the hydraulic rod through the external control device, the annular installation block is driven by the communication mechanism to drive the two annular separation plates to move upwards (when the hydraulic rod intermittently operates, the length of each extension or retraction of the output end of the hydraulic rod is set to be the same as the interval between the two annular separation plates), the outer rings of the two annular separation plates are attached to the inner ring wall of the dust removing cloth bag, an annular sealing space can be formed, meanwhile, the high-pressure pump conveys high-pressure air between the two annular separation plates through the communication mechanism, the high-pressure air can carry out blowback dust cleaning on the inner cavity of the dust removing cloth bag between the two annular separation plates, the regional gradual dust cleaning can be carried out on the dust removing cloth bag, the dust cleaning uniformity is good, meanwhile, the air flow of the high-pressure air can drive the eccentric roller to move circumferentially through the transmission mechanism, and autorotation can occur when the eccentric roller moves circumferentially, so that the side wall of the eccentric roller can push the dust removing cloth bag to expand, the dust removing cloth bag can generate the dust cleaning effect, the dust cleaning effect on the dust side of the dust bag in the prior art, the dust removing cloth bag enters the high-removing cloth bag side close to the high-pressure air blowback dust cleaning effect, and the dust cleaning effect is well, and the dust cleaning effect is reduced.
2. According to the invention, through the matching design of the structures such as the annular separation plates, the dust removing cloth bags, the eccentric roller and the detection mechanism, when the outer rings of the two annular separation plates are attached to the inner ring wall of the dust removing cloth bags to form an annular sealing space, and high-pressure air reversely blows and cleans the inner cavity of the dust removing cloth bag between the two annular separation plates, when the gap of the dust removing cloth bag is seriously blocked, the high-pressure air in the annular sealing space enters the eccentric roller through the vent holes, along with the increase of air pressure, the high-pressure air can push the sliding block to move upwards, the sliding block is driven to move upwards by the connecting rod during the movement of the sliding block, the annular supporting plate is driven to move by the annular turntable during the movement of the sliding block, the sliding resistance ring can be driven to slide on the outer surface of the fixed resistance ring during the movement of the annular supporting plate, and the resistance detection signal wireless transmitter can detect the resistance change value on the sliding resistance ring and send the detection value to an external operation system, so that an operator can compare and analyze the gap blocking condition of the dust removing cloth bag according to the detection data, and the operator can replace the dust removing cloth bag in time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the dust removal tank and the high-pressure pump of the invention;
FIG. 3 is a schematic view of a partial front cross-sectional structure of the dust removal tank, high pressure pump, exhaust chamber, dust removal cloth bag, and cleaning mechanism of the present invention;
FIG. 4 is a schematic diagram of a front cross-sectional structure of the dust collection bag of the present invention;
FIG. 5 is a schematic view of a partial front cross-sectional structure of the dust collection bag and cleaning mechanism of the present invention;
FIG. 6 is an enlarged schematic view of portion A of FIG. 5;
FIG. 7 is a schematic view of the structure of the annular mounting block and the air outlet channel of the present invention;
FIG. 8 is a schematic view of a partial front cross-sectional structure of an annular mounting block, annular divider plate, annular chamber, angled hole of the present invention;
FIG. 9 is a schematic top view of the impeller, annular shell, cross bar, and vent of the present invention;
FIG. 10 is a schematic view of a partial front cross-sectional view of the eccentric roller and detection mechanism of the present invention;
fig. 11 is an enlarged schematic view of the portion B shown in fig. 5.
The device comprises a1 SDS desulfurization reactor, a2 feed machine, a 3 ammonia tank, a 4 SCR denitration reactor, a 5 dedusting tank, a 6 exhaust chamber, a 7 dedusting cloth bag, an 8 cleaning mechanism, a 81, a fixing frame, a 82, a mounting column, a 83, an annular mounting block, a 84, an annular partition plate, a 85, an exhaust gas outlet, a 86, an eccentric roller, a 87, a hydraulic rod, a 9, a high-pressure pump, a 10, a communicating mechanism, a 101, a connecting block, a 102, a U-shaped communicating pipe, a 103, an annular chamber, a 104, an inclined hole, a 11, a transmission mechanism, a 111, an impeller, a 112, an annular shell, a 113, a cross rod, a 114, a sealing block, a 115, a mounting frame, a 116, an annular air inlet opening, a 117, an exhaust hole, a 118, an annular connecting plate, a 12, a linkage mechanism, a 121, an annular guide rail, a 122, rollers, a 13, a detection mechanism, a 131, a mounting cavity, a 132, a slider, a 133, a connecting rod, a 134, an annular turntable, a 135, a sliding resistance ring, a 137, a fixed resistance ring and a 138.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 10, the invention provides a flue gas low-temperature dry desulfurization and denitrification treatment system, which comprises an SDS desulfurization reactor 1, a feeder 2, an ammonia water tank 3, an SCR denitrification reactor 4 and a dedusting tank 5, wherein an exhaust chamber 6 is arranged at the upper part of the dedusting tank 5, a dedusting cloth bag 7 is vertically and fixedly arranged on the top surface of the inner cavity of the dedusting tank 5, a cleaning mechanism 8 is arranged in the inner cavity of the dedusting cloth bag 7, and a high-pressure pump 9 is fixedly arranged on the top surface of the dedusting tank 5;
The top of the dust removing cloth bag 7 is provided with an opening, the top of the dust removing cloth bag 7 penetrates to the bottom of the inner cavity of the exhaust chamber 6, an air outlet pipe communicated with an air outlet port of the high-pressure pump 9 penetrates to the opening of the top of the dust removing cloth bag 7 and is communicated with the upper part of the inner cavity of the mounting column 82, the lower part of the SDS desulfurization reactor 1 is communicated with an air inlet pipeline, the upper part of the SDS desulfurization reactor 1 is communicated with the lower part of the inner cavity of the dust removing tank 5 through a first through pipe, one side of the upper part of the outer surface of the dust removing tank 5 is provided with a second through pipe for communicating the exhaust chamber 6 with the upper part of the inner cavity of the SCR denitration reactor 4, the bottom of the SCR denitration reactor 4 is communicated with an exhaust fan, the air outlet end of the exhaust fan is communicated with the lower part of the inner cavity of the chimney, one side of the outer surface of the SDS desulfurization reactor 1 is communicated with a feeder 2 for conveying baking soda dry powder, and the ammonia tank 3 is communicated with the upper part of the inner cavity of the second through a third through pipe;
When the flue gas desulfurization device is used, flue gas is conveyed into the SDS desulfurization reactor 1 through the air inlet pipeline, sodium bicarbonate powder is conveyed into the SDS desulfurization reactor 1 by the feeder 2 to react with sulfur dioxide in the flue gas, a desulfurization effect is achieved, then the flue gas enters the dust removal tank 5 to filter dust in the flue gas through the dust removal cloth bag 7, the flue gas enters the second through pipe, ammonia water in the ammonia water tank 3 is sprayed into the second through pipe to react with the flue gas, the flue gas in the second through pipe enters the SCR denitration reactor 4 to react with a catalyst to reduce the concentration of nitrogen oxides, a denitration effect is achieved, and finally the flue gas subjected to desulfurization and denitration treatment is discharged into the atmosphere through a chimney by the exhaust fan.
The cleaning mechanism 8 comprises a fixing frame 81 fixedly sleeved at the bottom of the outer surface of the dust removing cloth bag 7, a mounting column 82 vertically arranged in the inner cavity of the dust removing cloth bag 7, an annular mounting block 83 moving up and down on the outer surface of the mounting column 82, two annular partition plates 84 symmetrically and fixedly arranged on the upper side and the lower side of the annular mounting block 83, a group of air outlet channels 85 circumferentially and equidistantly arranged on the upper part of the outer ring of the annular mounting block 83, a communication mechanism 10 arranged on the lower part of the inner ring of the annular mounting block 83 and in the inner cavity of the mounting column 82 and used for conveying high-pressure air, two eccentric rollers 86 symmetrically arranged on the left side and the right side between the two annular partition plates 84, a transmission mechanism 11 arranged on the outer ring of the annular mounting block 83 and used for driving the eccentric rollers 86 to move circumferentially, a linkage mechanism 12 arranged on the opposite surfaces of the two annular partition plates 84 and a detection mechanism 13 arranged on the two eccentric rollers 86;
wherein, fixing frame 81 and the inner chamber fixed connection of dust removal jar 5, the vertical fixed mounting in bottom surface center department of fixing frame 81 has hydraulic stem 87, when hydraulic stem 87 operated, through the fixed cover of outer lane of communication mechanism 10 drive annular installation piece 83 reciprocates, the outer lane of annular division board 84 and the inner chamber wall swing joint of dust removal sack 7, and the surface and the inner chamber wall swing joint of dust removal sack 7 of eccentric roller 86, and high-pressure pump 9 can carry high-pressure air to the inner chamber of erection column 82, the blowdown hole has been seted up to the inner chamber bottom surface of dust removal jar 5, the blowdown hole is used for communicating with the dust collecting equipment that outside set up, the outer lane fixed cover of annular division board 84 is equipped with annular gasbag, can shrink or expand when the gasbag receives the extrusion force, the outer lane of gasbag is laminated with the inner chamber of dust removal sack 7.
The annular installation block 83 and the two annular separation plates 84 are located at the bottom of the inner cavity of the dust collection cloth bag 7 in the initial state, during cleaning, an operator controls the intermittent operation of the hydraulic rod 87 through external control equipment, the annular installation block 83 is driven by the communication mechanism 10 to drive the two annular separation plates 84 to move upwards, when the hydraulic rod 87 intermittently operates, the length of each extending or retracting of the output end of the hydraulic rod is set to be the same as the interval between the two annular separation plates 84, the outer ring of the two annular separation plates 84 is attached to the inner ring wall of the dust collection cloth bag 7, an annular sealing space can be formed, meanwhile, the high-pressure pump 9 conveys high-pressure air between the two annular separation plates 84 through the communication mechanism 10, the inner cavity of the dust collection cloth bag 7 between the two annular separation plates 84 can be subjected to back-blowing dust removal, the dust collection cloth bag 7 can be subjected to regional gradual dust removal, the dust removal uniformity of the dust removal is good, meanwhile, the air flow of the high-pressure air can drive the eccentric roller 86 to move circumferentially through the transmission mechanism 11, and under the action of the linkage mechanism 12, the eccentric roller 86 can rotate when moving circumferentially, the eccentric roller 86 rotates, the side wall of the eccentric roller 86 can push the dust collection cloth bag 7 to expand, and the dust collection cloth bag 7 can generate a vibration cleaning effect, and the dust collection effect can be attached to the outer surface.
It should be noted that, when the outer lane of two annular division boards 84 and the inner ring wall laminating of dust removal sack 7 form an annular sealed space, and high-pressure air carries out the blowback deashing to the dust removal sack 7 inner chamber between two annular division boards 84, high-pressure air can flood in annular sealed space, high-pressure air can get into the operation of drive detection mechanism 13 in the eccentric roller 86, can detect dust removal sack 7 surface space jam through detection mechanism 13, the practicality of equipment has been promoted, the operating personnel of being convenient for compares the space jam condition of analysis dust removal sack 7 according to the detection data simultaneously, and the operating personnel of being convenient for in time changes the maintenance to dust removal sack 7.
As shown in fig. 5, the communication mechanism 10 includes a connection block 101 disposed in an inner cavity of the mounting post 82, two U-shaped communication pipes 102 symmetrically fixed on left and right sides of a bottom surface of the connection block 101, an annular chamber 103 disposed in a middle portion of the annular mounting block 83, and two inclined holes 104 symmetrically disposed on a bottom surface of the annular chamber 103;
The lower part of the U-shaped communicating tube 102 penetrates below the mounting post 82, the air inlet port of the U-shaped communicating tube 102 penetrates to the upper surface of the connecting block 101, the air outlet end of the U-shaped communicating tube 102 is fixedly connected with the inner ring of the annular mounting block 83, the air outlet port of the U-shaped communicating tube 102 is communicated with the inner cavity of the inclined hole 104, the inner cavity of the air outlet channel 85 is communicated with the upper part of the inner cavity of the annular chamber 103, and the top end of the output shaft of the hydraulic rod 87 is fixedly connected with the center of the bottom surface of the connecting block 101.
When the dust removal bag 7 is used, when the output shaft of the hydraulic rod 87 stretches out or retracts, the connecting block 101 can be driven to move vertically, the annular mounting block 83 can be driven to drive the two annular partition plates 84 to move through the two U-shaped communicating pipes 102 when the connecting block 101 moves, meanwhile, the high-pressure pump 9 conveys high-pressure air into the inner cavity of the mounting column 82, the high-pressure air enters the inclined holes 104 through the U-shaped communicating pipes 102, when the high-pressure air in the inclined holes 104 enters the annular cavity 103, the high-pressure air can push the transmission mechanism 11 to operate, the eccentric roller 86 can be driven to move circumferentially when the transmission mechanism 11 operates, rotation occurs under the action of the linkage mechanism 12, the dust removal bag 7 is vibrated and the dust removal effect is improved, and meanwhile, the high-pressure air in the annular cavity 103 can enter a sealing space formed by the outer ring of the two annular partition plates 84 and the inner ring wall of the dust removal bag 7 in a fitting mode, and the split area blowback dust removal bag 7 is realized.
As shown in fig. 6 and 9, the transmission mechanism 11 comprises an impeller 111 rotating in the inner cavity of the annular chamber 103, an annular shell 112 rotatably sleeved on the outer surface of the annular mounting block 83, two cross bars 113 symmetrically and fixedly mounted on the left and right sides of the outer ring of the annular shell 112, a sealing block 114 moving left and right in the inner cavity of the cross bars 113, a mounting frame 115 movably sleeved on the connecting shafts at the upper and lower ends of the eccentric roller 86 through bearings, an annular air inlet opening 116 formed at the upper part of the inner ring of the annular shell 112, and two groups of air exhaust holes 117 formed on the upper and lower surfaces of the cross bars 113 at equal intervals;
wherein, the annular air inlet opening 116 is highly adapted to the position of the air outlet channel 85, one side of the installation frame 115 penetrates into the inner cavity of the cross rod 113 and is fixedly connected with the side wall of the sealing block 114, the annular joint plate 118 is fixedly installed in the middle of the inner ring of the annular shell 112, the inner ring of the annular joint plate 118 penetrates into the inner cavity of the annular cavity 103, and the inner ring of the annular joint plate 118 is fixedly connected with the outer ring of the impeller 111.
When the dust removal bag is used, when high-pressure air in the inclined hole 104 enters the annular cavity 103, the impeller 111 can be pushed to rotate by the high-pressure air, the annular shell 112 is driven to rotate by the impeller 111 through the annular connecting plate 118, the cross rod 113 is driven to move circumferentially by the rotation of the annular shell 112, the eccentric roller 86 can be driven to move circumferentially by the cross rod 113 through the mounting frame 115 when the cross rod 113 moves circumferentially, meanwhile, the high-pressure air discharged in the air outlet channel 85 enters the annular shell 112 through the annular air inlet opening 116, then the sealing block 114 is pushed to move by the high-pressure air, the eccentric roller 86 is driven to move by the sealing block 114 to rotate by the mounting frame 115, the linkage mechanism 12 can be activated, the eccentric roller 86 can conveniently move circumferentially, and the high-pressure air enters a sealing space formed by the outer rings of the two annular separation plates 84 and the inner ring wall of the dust removal bag 7 in a fitting mode through the exhaust holes 117 after the high-pressure air pushes the sealing block 114 to move.
As shown in FIG. 11, the linkage mechanism 12 comprises two annular guide rails 121 symmetrically and fixedly arranged at the edges of opposite surfaces of the two annular partition plates 84 and two rollers 122 fixedly sleeved on connecting shafts at the upper end and the lower end of the eccentric roller 86, wherein the outer ring of the rollers 122 is movably connected with the inner ring of the annular guide rails 121.
When the eccentric roller 86 moves circumferentially in use, the roller 122 and the annular guide rail 121 act to rotate the eccentric roller 86 while moving circumferentially.
As shown in fig. 10, the detection mechanism 13 comprises a mounting cavity 131 arranged between two connecting shafts on the eccentric roller 86, a sliding block 132 moving up and down in the inner cavity of the mounting cavity 131, a connecting rod 133 vertically movably mounted on the upper surface of the sliding block 132 through a bearing, an annular rotary table 134 arranged above the two eccentric rollers 86, an annular support plate 135 movably mounted in the inner ring of the annular rotary table 134 through a bearing, a sliding resistance ring 136 fixed in the inner ring of the annular support plate 135, a fixed resistance ring 137 vertically arranged in the inner ring of the sliding resistance ring 136, a resistance detection signal wireless transmitter 138 with a built-in power supply fixed on the bottom surface of the annular support plate 135, a control panel fixed on the front part of the dust removal tank 5 and a group of ventilation holes circumferentially equidistantly arranged on the inner cavity bottom surface of the mounting cavity 131;
Wherein, two movable blocks are symmetrically and transversely slidingly installed on the left and right sides of the bottom surface of the annular rotary table 134, the top end of the connecting rod 133 penetrates through the upper connecting shaft of the eccentric roller 86 and is movably connected with the bottom surface of the movable block through bearings, the upper surface of the annular support plate 135 is connected with the bottom surface of one annular partition plate 84 through four spring seats which are circumferentially equidistant, the inner ring wall of the sliding resistor ring 136 is movably connected with the outer ring wall of the fixed resistor ring 137, and the sliding resistor ring 136 and the fixed resistor ring 137 are respectively electrically connected with the resistor detection signal wireless transmitter 138 through wires.
When the dust collection bag 7 is used, when the outer ring of the two annular separation plates 84 is attached to the inner ring wall of the dust collection bag 7 to form an annular sealing space, and high-pressure air reversely blows and cleans the inner cavity of the dust collection bag 7 between the two annular separation plates 84, when the gap blockage of the dust collection bag 7 is serious, the high-pressure air in the annular sealing space enters the eccentric roller 86 through the vent holes, along with the increase of air pressure, the high-pressure air can push the sliding block 132 to move upwards, the sliding block 132 drives the moving block to move upwards through the connecting rod 133, the moving block drives the annular support plate 135 to move through the annular turntable 134, the annular support plate 135 can drive the sliding resistance ring 136 to slide on the outer surface of the fixed resistance ring 137 when moving, and the resistance detection signal wireless transmitter 138 can detect resistance change values on the sliding resistance ring 136 and the fixed resistance ring 137 and send the detection values to an external operation system, so that an operator can compare and analyze the gap blockage condition of the dust collection bag 7 according to the detection data, and the operator can replace the dust collection bag 7 in time.
The working principle and the using flow of the invention are as follows:
When in use, firstly, the annular mounting block 83 and the two annular partition plates 84 are positioned at the bottom of the inner cavity of the dust collection cloth bag 7 in an initial state, during cleaning, an operator controls the intermittent operation of the hydraulic rod 87 through external control equipment, when the intermittent operation of the hydraulic rod 87 is performed, the length of each extending or retracting of the output end of the hydraulic rod 87 is set to be the same as the interval between the two annular partition plates 84, when the output shaft of the hydraulic rod 87 extends, the connecting block 101 can be driven to vertically move, when the connecting block 101 moves, the annular mounting block 83 can be driven to drive the two annular partition plates 84 to move through the two U-shaped communicating pipes 102, the outer rings of the two annular partition plates 84 are attached to the inner ring wall of the dust collection cloth bag 7, an annular sealing space can be formed, meanwhile, the high-pressure air is conveyed into the inner cavity of the mounting column 82 through the U-shaped communicating pipes 102 by the high-pressure pump 9, when the high-pressure air in the inclined hole 104 enters the annular cavity 103, the high-pressure air can push the impeller 111 to rotate, the impeller 111 drives the annular shell 112 to rotate through the annular connecting plate 118, the annular shell 112 drives the cross rod 113 to move circumferentially, the cross rod 113 can drive the eccentric roller 86 to move circumferentially through the mounting frame 115 when moving circumferentially, meanwhile, the high-pressure air discharged in the air outlet channel 85 enters the annular shell 112 through the annular air inlet opening 116, then the high-pressure air pushes the sealing block 114 to move, the sealing block 114 moves and drives the mounting frame 115 to drive the eccentric roller 86 to move, the roller 122 is driven to be jointed with the inner ring of the annular guide rail 121 to extrude when the eccentric roller 86 moves, so that autorotation occurs when the eccentric roller 86 rotates circumferentially, the side wall of the eccentric roller 86 can push the dust collecting cloth bag 7 to expand, the effect of cleaning dust attached to the outer surface of the dust collecting cloth bag 7 can be improved by the vibration effect, meanwhile, high-pressure air pushes the sealing block 114 to move and then enters a sealing space formed by the outer rings of the two annular separation plates 84 and the inner ring wall of the dust collection cloth bag 7 through the exhaust holes 117, the high-pressure air can reversely blow and clean the inner cavity of the dust collection cloth bag 7 between the two annular separation plates 84, so that the dust collection cloth bag 7 is conveniently and gradually cleaned in areas, meanwhile, when the gap of the dust collection cloth bag 7 is seriously blocked, the high-pressure air in the annular sealing space enters the eccentric roller 86 through the air holes, along with the increase of air pressure, the high-pressure air can push the sliding block 132 to move upwards, the sliding block 132 is driven to move upwards through the connecting rod 133 when moving, the annular supporting plate 135 is driven to move through the annular turntable 134 when moving, the annular supporting plate 135 can drive the sliding resistance ring 136 to slide on the outer surface of the fixed resistance ring 137, the resistance detection signal wireless transmitter 138 can detect resistance change values on the sliding resistance ring 136 and the fixed resistance ring 137, and send the detection values to an external operation system, so that an operator can compare and analyze the blocking condition of the dust collection cloth bag 7 according to the detection data in time, and the operator can conveniently maintain and change the dust collection cloth bag 7.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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)
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| CN202411579810.7A CN119318842B (en) | 2024-11-07 | 2024-11-07 | Flue gas low temperature dry process SOx/NOx control treatment system |
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| CN202411579810.7A CN119318842B (en) | 2024-11-07 | 2024-11-07 | Flue gas low temperature dry process SOx/NOx control treatment system |
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| CN119318842B CN119318842B (en) | 2025-05-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN120132501A (en) * | 2025-04-15 | 2025-06-13 | 浙江恒以蓝环保设备有限公司 | A high-efficiency exhaust gas treatment system equipped with a fiber filter element |
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| KR20030053672A (en) * | 2001-12-22 | 2003-07-02 | 주식회사 포스코 | Pressure Difference Control Device using Pulsing Device for Pulverulent Body Collector |
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| CN119318842B (en) | 2025-05-13 |
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