CN117463144A - Dry desulfurization equipment for coal-charging dust-removing flue gas - Google Patents
Dry desulfurization equipment for coal-charging dust-removing flue gas Download PDFInfo
- Publication number
- CN117463144A CN117463144A CN202311797946.0A CN202311797946A CN117463144A CN 117463144 A CN117463144 A CN 117463144A CN 202311797946 A CN202311797946 A CN 202311797946A CN 117463144 A CN117463144 A CN 117463144A
- Authority
- CN
- China
- Prior art keywords
- dust
- charging
- fixedly connected
- flue gas
- coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000003546 flue gas Substances 0.000 title claims abstract description 35
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 20
- 230000023556 desulfurization Effects 0.000 title claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 70
- 239000000428 dust Substances 0.000 claims abstract description 51
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims description 28
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- 239000011593 sulfur Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 6
- 239000000920 calcium hydroxide Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 230000003009 desulfurizing effect Effects 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 14
- 230000033001 locomotion Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B01D46/0052—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
- B01D46/0053—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with vibrating filtering elements
-
- 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
- B01D46/0052—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
- B01D46/0056—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with rotational movement
-
- 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
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of flue gas dry desulfurization, in particular to a coal-charging dust-removing flue gas dry desulfurization device, which comprises a lower box body and an upper box body fixedly connected to the upper side of the lower box body, wherein the upper box body is communicated with the inner part of the lower box body, an air inlet is arranged on the side edge of the lower box body, a dust outlet is arranged at the bottom of the lower box body, an air outlet is arranged at the top of the upper box body, and the coal-charging dust-removing flue gas dry desulfurization device further comprises: the cloth bag dust filtering mechanism is arranged in the lower box body and is used for carrying out preliminary dust removal treatment on the coal-charging flue gas; the invention adopts a cloth bag dust filtering mechanism to increase the contact efficiency of cloth bags and flowing gas in a rotating mode, so that the cloth bags are filtered more uniformly, and meanwhile, the inside of the cloth bags is provided with a plug which continuously and pneumatically oscillates the cloth bags, so that the cloth bags can be kept clean all the time, the filtering effect of the cloth bags is ensured, and the cloth bag cleaning frequency is reduced.
Description
Technical Field
The invention relates to the technical field of flue gas dry desulfurization, in particular to a dry desulfurization device for flue gas with coal-charging and dust-removing functions.
Background
The dry desulfurizing process of fume is one kind of efficient and energy saving air pollution treating technology, and is mainly used in eliminating sulfur dioxide from fume produced in coal and power, iron and steel, chemical, petrochemical and other industrial fields to reach the aims of environment protection, saving energy and reducing exhaust.
The existing dry desulfurization method of the coal-charging dust-removing flue gas is generally divided into two steps, the first step is to remove dust from the flue gas, the second step is to react and absorb sulfur dioxide in the flue gas, in the dust removing step of the first step, a cloth bag dust remover is generally used for processing, although the dust removing effect is good, cloth bags in the cloth bag dust remover are kept still, the dust is only pushed by air flow to be concentrated on one surface when being contacted with the dust in the flue gas, the cloth bag dust remover intermittently discharges the dust on the cloth bags, when the dust is on the cloth bags, the filtering effect of the cloth bags is not affected, the conveying efficiency of the flue gas is further reduced, in the absorbing step of the second step, the sulfur dioxide is generally reacted and neutralized in a mode of spraying an absorbent, the product components after the reaction are complex, the absorbent is wrapped in the product, and the subsequent recovery and processing of the product also need another process, and are more troublesome.
Disclosure of Invention
The invention aims to solve the technical problems that the dry desulfurization equipment for the coal-charging dust-removing flue gas can solve the problems.
In order to achieve the above purpose, the invention adopts the following technical scheme that the dry desulfurization device for coal-charging dust-removing flue gas comprises a lower box body and an upper box body fixedly connected to the upper side of the lower box body, wherein the upper box body is communicated with the inner part of the lower box body, the side edge of the lower box body is provided with an air inlet, the bottom of the lower box body is provided with a dust outlet, the top of the upper box body is provided with an air outlet, and the dry desulfurization device for coal-charging dust-removing flue gas further comprises: the cloth bag dust filtering mechanism is arranged in the lower box body and is used for carrying out preliminary dust removal treatment on the coal-charging flue gas; the sulfur gas purifying mechanism is arranged in the upper box body and is used for desulfurizing the coal-charging flue gas after dust removal.
The cloth bag dust filtering mechanism comprises an adapter plate which is rotationally connected to the top of the lower box body, a driving gear ring is arranged on the upper side edge of the adapter plate, a driving gear is connected with the driving gear ring in a meshed mode, the driving gear is fixedly connected to the output end of a first motor, the first motor is fixedly connected to the outer portion of the lower box body, two rows of exhaust holes are formed in the adapter plate, each row of exhaust holes are distributed at equal intervals in circumference, a filter cloth bag is arranged on the lower side of each exhaust hole, the upper end of the filter cloth bag is fixedly connected to the lower edge of each exhaust hole, the lower end of the filter cloth bag is fixedly connected to a supporting plate, the supporting plate is fixedly connected to the adapter plate through a plurality of supporting rods, and the filter cloth bag is provided with a dust removing assembly used for carrying out driving oscillation on the filter cloth bag.
The sulfur gas purifying mechanism comprises a charging frame fixedly connected inside an upper box body, the charging frame is of a hollow structure, a plurality of layers of charging trays are arranged on the charging frame, filler is filled in each layer of charging tray, through holes for gas to pass through are formed in the upper wall and the lower wall of each charging tray, breathable cloth is arranged on each through hole, and a stirring assembly for stirring the filler is arranged inside the filler.
As a preferable technical scheme of the invention, the dust removing assembly comprises a mounting frame fixedly connected to the center of the upper side of the adapter plate, a support plate is extended at the distribution position of the mounting frame corresponding to the exhaust holes, a rotating rod is rotatably connected to the center of the support plate corresponding to the exhaust holes, the rotating rod is distributed in the filter cloth bag, a plurality of telescopic rods are arranged on the rotating rod, the outer ends of the telescopic rods are fixedly connected with a jack, the upper ends of the rotating rods at the positions of the exhaust holes of the inner row are fixedly connected with first gears, the first gears are in meshed connection with an inner toothed ring together, the upper ends of the rotating rods at the positions of the exhaust holes of the outer row are fixedly connected with second gears, the second gears are in meshed connection with an outer toothed ring together, and the inner toothed ring and the outer toothed ring are fixedly connected to the inner wall of the lower box body through a plurality of connecting frames.
As a preferable technical scheme of the invention, the turning assembly comprises an inner rotary drum rotationally connected to the center of a charging frame, the inner rotary drum is a hollow mechanism, the upper end of the inner rotary drum is fixedly connected with a driven gear, the driven gear is in meshed connection with a driving gear, the driving gear is fixedly connected to the output end of a second motor, the second motor is fixedly connected to a support, the support is fixedly connected to the top of an upper box body, a middle supporting rod is arranged at the central axis position of the inner rotary drum, the upper end of the middle supporting rod is fixedly connected to the support, first bevel gears are fixedly connected to the positions of the middle supporting rod corresponding to each layer of charging disc, a plurality of second bevel gears distributed at equal intervals in circumference are in meshed connection with the periphery of each first bevel gear, the center of each second bevel gear is fixedly connected to the end of a turning rod, the turning rod rotates to extend into the charging disc through the side wall of the inner rotary drum, and a plurality of turning blades are fixedly connected to the circumference of the turning rod at equal intervals.
As a preferable technical scheme of the telescopic rod, the telescopic rod comprises an ejector rod, a sleeve and a tensioning spring, wherein the ejector rod is connected in the sleeve in a sliding manner, the tensioning spring is further arranged in the sleeve, one end of the tensioning spring is fixedly connected to the ejector rod, and the other end of the tensioning spring is fixedly connected to the end wall, far away from the ejector rod, of the sleeve.
As a preferable technical scheme of the invention, the filler at the uppermost layer is activated carbon powder, and the rest of the fillers are calcium hydroxide powder.
As a preferable technical scheme of the invention, the filter cloth bag is of a conical structure.
The beneficial effects are that:
according to the cloth bag dust filtering mechanism, the contact efficiency of the cloth bag and flowing gas is increased in a rotating mode, so that the cloth bag is filtered more uniformly, and meanwhile, the inside of the cloth bag is provided with the plug which continuously and drivably oscillates the cloth bag, so that the cloth bag can be kept clean all the time, the filtering effect of the cloth bag is ensured, the cleaning frequency of the cloth bag is reduced, the use is convenient and efficient, and the dust removing and filtering effect is remarkable.
According to the sulfur gas purifying mechanism adopted by the invention, in the purifying stage, the filler for purification is turned through the turning assembly, so that the air permeability of the filler can be maintained, the filler reaction is more uniform and more sufficient, the purifying efficiency of sulfur dioxide is effectively improved, the working efficiency is accelerated, meanwhile, the filler is of an integrated surrounding structure, the powder is not leaked, the filler can be replaced at one time, and the subsequent treatment is more convenient.
According to the telescopic rod structure adopted by the invention, when the rotating rod rotates, the ejection rod is ejected to push the cloth bag by the centrifugal force, the ejection rod is reset by the tension spring, and the cloth bag cannot be touched in the initial stage of the ejection head, so that the ejection head is more convenient to penetrate into the cloth bag or pass through the exhaust hole in the installation stage of the ejection head, and the whole structure is more in accordance with humanized design.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of a first view of the present invention.
Fig. 2 is a schematic cross-sectional view of the upper case of the present invention.
Fig. 3 is a schematic perspective view of a charging stand in the sulfur gas purifying mechanism of the present invention.
Fig. 4 is a schematic cross-sectional perspective view of the lower case of the present invention.
FIG. 5 is a schematic view of the internal cross-sectional structure of the filter cloth bag of the present invention.
Fig. 6 is a schematic cross-sectional view of the telescopic rod of the present invention.
In the figure: 1. a dust outlet; 2. a lower box body; 3. an air inlet; 4. an upper case; 5. an air outlet; 6. a cloth bag dust filtering mechanism; 61. a dust removal assembly; 611. a mounting frame; 612. a first gear; 613. a connecting frame; 614. a second gear; 615. a rotating rod; 616. an outer toothed ring; 617. an inner gear ring; 618. a plug; 619. a telescopic rod; 6191. an ejector rod; 6192. a sleeve; 6193. tensioning the spring; 62. a support rod; 63. filtering the cloth bag; 64. a supporting plate; 65. an adapter plate; 66. driving the gear ring; 67. a first motor; 68. a drive gear; 7. a sulfur gas purifying mechanism; 71. turning over the assembly; 711. a first bevel gear; 712. a second bevel gear; 713. turning the rod; 714. an inner drum; 715. turning over the leaves; 716. a drive gear; 717. a bracket; 718. a second motor; 719. a middle stay bar; 7110. a driven gear; 72. a charging rack; 73. breathable cloth; 74. activated carbon powder; 75. a charging tray; 76. calcium hydroxide powder.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1, 2 and 4, a dry desulfurization device for flue gas with coal-charging and dust-removing, which comprises a lower box 2 and an upper box 4 fixedly connected to the upper side of the lower box 2, wherein the upper box 4 is communicated with the interior of the lower box 2, an air inlet 3 is arranged on the side edge of the lower box 2, a dust outlet 1 is arranged at the bottom of the lower box 2, an air outlet 5 is arranged at the top of the upper box 4, and the dry desulfurization device for flue gas with coal-charging and dust-removing further comprises: the cloth bag dust filtering mechanism 6 is arranged in the lower box body 2 and is used for carrying out preliminary dust removal treatment on the coal-charging flue gas; the sulfur gas purifying mechanism 7 is arranged in the upper box body 4 and is used for desulfurizing the coal-charging flue gas after dust removal.
During specific work, coal-charging flue gas is introduced through the air inlet 3, filtered dust is discharged through the dust outlet 1, and purified gas is discharged through the air outlet 5.
Referring to fig. 4, the bag dust filtering mechanism 6 includes an adapter plate 65 rotatably connected to the top of the lower case 2, a driving gear ring 66 is disposed on the upper edge of the adapter plate 65, the driving gear ring 66 is meshed with a driving gear 68, the driving gear 68 is fixedly connected to the output end of the first motor 67, the first motor 67 is fixedly connected to the outside of the lower case 2, two rows of air exhaust holes are formed in the adapter plate 65, each row of air exhaust holes are distributed annularly, a filter bag 63 is disposed on the lower side of each air exhaust hole, the upper end of the filter bag 63 is fixedly connected to the lower edge of each air exhaust hole, the lower end of the filter bag 63 is fixedly connected to a supporting plate 64, the supporting plate 64 is fixedly connected to the adapter plate 65 through a plurality of supporting rods 62, and the filter bag 63 is provided with a dust removing component 61 for performing driving oscillation on the filter bag 63.
In specific operation, the first motor 67 controls the driving gear 68 to rotate, so that the driving gear 68 drives the driving gear ring 66 to rotate, and the adapter plate 65 rotates to drive each filter cloth bag 63 to rotate, thereby realizing efficient contact between the filter cloth bags 63 and gas.
Referring to fig. 2 and 3, the sulfur gas purifying mechanism 7 includes a loading frame 72 fixedly connected inside the upper case 4, the loading frame 72 is of a hollow structure, the loading frame 72 is provided with a plurality of layers of loading trays 75, each layer of loading tray 75 is filled with a filler, the upper and lower walls of the loading tray 75 are provided with a through hole for gas to pass through, the through hole is provided with a ventilation cloth 73, and a stirring assembly 71 for stirring the filler is arranged inside the filler.
During specific operation, gas enters the charging tray 75 through the ventilation cloth 73, and reacts and changes through the filler in the charging tray 75, and the stirring assembly 71 can continuously and comprehensively stir the filler, so that the filler keeps ventilation, and the filler reaction is more uniform.
Referring to fig. 4 and 5, the dust removing assembly 61 includes a mounting rack 611 fixedly connected to the center of the upper side of the adapter plate 65, a support plate extending from the mounting rack 611 corresponding to the distribution position of the exhaust holes, a rotating rod 615 rotatably connected to the center of the exhaust holes, the rotating rod 615 distributed in the filter cloth bag 63, a plurality of telescopic rods 619 mounted on the rotating rod 615, a top 618 fixedly connected to the outer end of the telescopic rod 619, a first gear 612 fixedly connected to the upper end of the rotating rod 615 in the position of the exhaust hole of the inner row, a second gear 614 fixedly connected to the upper end of the rotating rod 615 in the position of the exhaust hole of the outer row, the second gears 614 meshed with each other and connected to the outer gear 616, and the inner gear 617 and the outer gear 616 fixedly connected to the inner wall of the lower case 2 via a plurality of connecting frames 613.
In specific operation, the rotation of the adapter plate 65 drives the first gear 612 and the second gear 614 to rotate along the inner gear ring 617 and the outer gear ring 616 respectively, the rotation of the first gear 612 and the second gear 614 drives the rotating rod 615 to rotate, and the rotation of the rotating rod 615 drives the top 618 to drive the filter cloth bag 63, so that the effect of shaking off dust adhered on the filter cloth bag 63 is achieved.
Referring to fig. 2, the turning assembly 71 includes an inner drum 714 rotatably connected to the center of the charging frame 72, the inner drum 714 is a hollow mechanism, the upper end of the inner drum 714 is fixedly connected with a driven gear 7110, the driven gear 7110 is in meshed connection with a driving gear 716, the driving gear 716 is fixedly connected to the output end of a second motor 718, the second motor 718 is fixedly connected to a support 717, the support 717 is fixedly connected to the top of the upper case 4, a middle supporting rod 719 is disposed at the central axis of the inner drum 714, the upper end of the middle supporting rod 719 is fixedly connected to the support 717, first bevel gears 711 are fixedly connected to the middle supporting rod 719 at positions corresponding to each layer of charging tray 75, a plurality of second bevel gears 712 distributed at equal intervals are meshed to the periphery of each first bevel gear 711, the center of each second bevel gear 712 is fixedly connected to the end of the turning rod 713, the turning rod 713 extends into the charging tray 75 through the side wall of the inner drum 714, and a plurality of turning blades 715 are fixedly connected to equal intervals on the circumference of the turning rod 713.
In specific operation, the driving gear 716 is driven to rotate by the second motor 718, so that the driven gear 7110 drives the inner rotary drum 714 to rotate, the inner rotary drum 714 controls the second bevel gear 712 to rotate along the first bevel gear 711 by the turning rod 713, so that the turning rod 713 generates rotation motion around the central axis of the inner rotary drum 714, the turning rod 713 generates circular motion around the central axis of the inner rotary drum 714 by the rotation of the inner rotary drum 714, and the two motions are combined, so that the turning rod 713 continuously turns all the fillers in the charging tray 75 by the turning blades 715.
Referring to fig. 5 and 6, the telescopic rod 619 includes an ejector rod 6191, a sleeve 6192 and a tension spring 6193, the ejector rod 6191 is slidably connected in the sleeve 6192, the sleeve 6192 is internally provided with the tension spring 6193, one end of the tension spring 6193 is fixedly connected to the ejector rod 6191, and the other end of the tension spring 6193 is fixedly connected to the end wall of the sleeve 6192 far away from the ejector rod 6191.
Specifically, during operation, according to the principle of centrifugal force, when the rotary rod 615 rotates, the ejector rod 6191 ejects to push the cloth bag under the action of centrifugal force, and the tension spring 6193 resets the ejector rod 6191.
Referring to fig. 2, the uppermost layer of the filler is activated carbon powder 74 and the remaining layers of filler are calcium hydroxide powder 76.
In specific work, the uppermost filler is set to be activated carbon powder 74, dust contained in discharged gas can be further purified, the purification effect of the gas is guaranteed, the rest layers of fillers are set to be calcium hydroxide powder 76, and the purification of sulfur dioxide gas in coal-charging flue gas can be realized by utilizing the chemical reaction of sulfur dioxide and calcium hydroxide.
Referring to fig. 4 and 5, the filter cloth bag 63 is configured in a tapered structure.
In specific work, the filter cloth bag 63 with the conical structure is compared with a traditional cloth bag, when the dust falls down, the dust falls down along the surface of the cloth bag and gradually accumulates downwards, so that the filtering effect below the cloth bag is not facilitated, and the dust can directly fall down to accumulate downwards, so that the filtering effect of the cloth bag is not influenced.
When in use, the utility model is characterized in that:
s1: firstly, coal-charging flue gas is introduced from an air inlet 3, then a first motor 67 and a second motor 718 are started, a driving gear 68 is controlled to rotate through the first motor 67, the driving gear 68 drives a driving gear ring 66 to rotate, an adapter plate 65 rotates to drive each filter cloth bag 63 to rotate, and the coal-charging flue gas is filtered by dust through the filter cloth bags 63.
S2: in the filtering stage, the rotation of the adapter plate 65 drives the first gear 612 and the second gear 614 to rotate along the inner gear ring 617 and the outer gear ring 616 respectively, the rotation of the first gear 612 and the second gear 614 drives the rotating rod 615 to rotate, and the rotation of the rotating rod 615 drives the top 618 to drive the filter cloth bag 63, so that dust adhered on the filter cloth bag 63 is shaken off.
S3: then the gas after dust removal flows upwards into the charging tray 75, meanwhile, the driving gear 716 is driven to rotate by the second motor 718, the driven gear 7110 drives the inner rotary drum 714 to rotate, the inner rotary drum 714 controls the second bevel gear 712 to rotate along the first bevel gear 711 by the turning rod 713, the turning rod 713 generates rotation motion around the central axis of the inner rotary drum 714, the turning rod 713 generates circular motion around the central axis of the inner rotary drum 714 by the rotation of the inner rotary drum 714, the two motions are combined, the turning rod 713 continuously turns all the fillers in the charging tray 75 by the turning blades 715, the gas with sulfur dioxide is quickly reacted and eliminated by the fillers, finally, the purified gas is discharged by the air outlet 5, and meanwhile, filtered dust is discharged by the dust outlet 1.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a dry flue gas desulfurization equipment with coal loading and dust removal, includes box (2) and fixed connection in last box (4) of box (2) upside down, goes up box (4) and the inside intercommunication of box (2) down, and box (2) side down is equipped with air inlet (3), and box (2) bottom is equipped with out dirt mouth (1) down, goes up box (4) top and is equipped with gas outlet (5), its characterized in that: the dry desulfurization device for the coal-charging dust-removing flue gas also comprises:
the cloth bag dust filtering mechanism (6) is arranged in the lower box body (2) and is used for carrying out preliminary dust removal treatment on the coal-charging flue gas;
the sulfur gas purifying mechanism (7) is arranged in the upper box body (4) and is used for desulfurizing the dust-removed coal-charging flue gas;
the cloth bag dust filtering mechanism (6) comprises an adapter plate (65) rotatably connected to the top of the lower box body (2), a driving gear ring (66) is arranged on the upper side edge of the adapter plate (65), a driving gear (68) is connected to the driving gear ring (66) in a meshed mode, the driving gear (68) is fixedly connected to the output end of a first motor (67), the first motor (67) is fixedly connected to the outside of the lower box body (2), two rows of exhaust holes are formed in the adapter plate (65), each row of exhaust holes are distributed at equal intervals in circumference, a filtering cloth bag (63) is arranged on the lower side of each exhaust hole, the upper end of the filtering cloth bag (63) is fixedly connected to the lower edge of each exhaust hole, the lower end of the filtering cloth bag (63) is fixedly connected to a supporting plate (64), and the supporting plate (64) is fixedly connected to the lower end of the adapter plate (65) through a plurality of supporting rods (62), and the filtering cloth bag (63) is provided with a dust removing assembly (61) used for carrying out driving oscillation on the filtering cloth bag (63).
Sulfur gas purifying mechanism (7) are including fixed connection in last box (4) inside charging frame (72), and charging frame (72) are hollow structure, and charging frame (72) are equipped with a plurality of layers of charging tray (75), all fill in every layer of charging tray (75) and are filled with filler, and the opening that is used for gaseous passing through is all offered to the upper and lower wall of charging tray (75), installs ventilative cloth (73) on the opening, the inside subassembly (71) that turn that are used for stirring it that are equipped with of filler.
2. The dry desulfurization device for coal-charging and dust-removing flue gas, according to claim 1, characterized in that: the dust removal assembly (61) comprises a mounting frame (611) fixedly connected to the center of the upper side of the adapter plate (65), support plates are extended at the positions, corresponding to the distribution positions of the exhaust holes, of the mounting frame (611), rotating rods (615) are connected to the centers of the exhaust holes in a rotating mode, the rotating rods (615) are distributed in the filter cloth bag (63), a plurality of telescopic rods (619) are installed on the rotating rods (615), top heads (618) are fixedly connected to the outer ends of the telescopic rods (619), first gears (612) are fixedly connected to the upper ends of the rotating rods (615) at the positions of the exhaust holes of the inner rows, all the first gears (612) are connected to an inner toothed ring (617) in a meshed mode, all the second gears (614) are fixedly connected to the outer toothed ring (616) in a meshed mode, and the inner toothed ring (617) and the outer toothed ring (616) are fixedly connected to the inner wall of the lower box body (2) through a plurality of connecting frames (613).
3. The dry desulfurization device for coal-charging and dust-removing flue gas, according to claim 1, characterized in that: the utility model provides a turn subassembly (71) including rotating inner drum (714) of connection at charging frame (72) center, inner drum (714) are hollow mechanism, inner drum (714) upper end fixedly connected with driven gear (7110), driven gear (7110) meshing is connected with driving gear (716), driving gear (716) fixed connection is on the output of second motor (718), second motor (718) fixed connection is on support (717), support (717) fixed connection is at last box (4) top, the central axis position of inner drum (714) is equipped with well vaulting pole (719), well vaulting pole (719) upper end fixed connection is on support (717), the position fixedly connected with first bevel gear (711) of corresponding each layer charging tray (75) on well vaulting pole (719), the periphery of every first bevel gear (711) all meshing is connected with a plurality of second bevel gears (712) that are the circumference equidistance distribution, the center fixed connection of second bevel gear (712) is on the tip of turning pole (713), the turning pole (713) rotates and passes in inner drum (75) and rotates and extend to a plurality of equidistant turning poles (713) on the fixed turning pole (713).
4. A dry flue gas desulfurization device for coal-charging and dust-removing according to claim 2, wherein: the telescopic rod (619) comprises an ejector rod (6191), a sleeve (6192) and a tensioning spring (6193), wherein the ejector rod (6191) is slidably connected in the sleeve (6192), the tensioning spring (6193) is further arranged in the sleeve (6192), one end of the tensioning spring (6193) is fixedly connected to the ejector rod (6191), and the other end of the tensioning spring (6193) is fixedly connected to the end wall, far away from the ejector rod (6191), of the sleeve (6192).
5. The dry desulfurization device for coal-charging and dust-removing flue gas, according to claim 1, characterized in that: the uppermost layer of the filler is activated carbon powder (74), and the rest layers of the filler are calcium hydroxide powder (76).
6. The dry desulfurization device for coal-charging and dust-removing flue gas, according to claim 1, characterized in that: the filter cloth bag (63) is of a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311797946.0A CN117463144A (en) | 2023-12-26 | 2023-12-26 | Dry desulfurization equipment for coal-charging dust-removing flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311797946.0A CN117463144A (en) | 2023-12-26 | 2023-12-26 | Dry desulfurization equipment for coal-charging dust-removing flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117463144A true CN117463144A (en) | 2024-01-30 |
Family
ID=89639905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311797946.0A Pending CN117463144A (en) | 2023-12-26 | 2023-12-26 | Dry desulfurization equipment for coal-charging dust-removing flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117463144A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108043197A (en) * | 2017-12-06 | 2018-05-18 | 宁波市江北义盈工贸有限公司 | A kind of exhuast gas desulfurization dust-extraction unit |
| CN112426821A (en) * | 2020-11-26 | 2021-03-02 | 河南中联节能工程有限公司 | Dry desulfurization, denitrification and dust removal device and method for low-sulfur flue gas in cement kiln tail |
| CN214233516U (en) * | 2020-10-09 | 2021-09-21 | 中国科学院过程工程研究所 | Integrated gas dust removal catalytic unit |
| JP3243859U (en) * | 2023-07-10 | 2023-09-25 | 内蒙古上都▲發▼▲電▼有限▲責▼任公司 | Flue gas desulfurization equipment for thermal power plants and boilers for thermal power plants |
| CN116870605A (en) * | 2023-09-02 | 2023-10-13 | 星远智维邯郸环境科技有限公司 | Dust collector for calcium-based dry desulfurization equipment |
-
2023
- 2023-12-26 CN CN202311797946.0A patent/CN117463144A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108043197A (en) * | 2017-12-06 | 2018-05-18 | 宁波市江北义盈工贸有限公司 | A kind of exhuast gas desulfurization dust-extraction unit |
| CN214233516U (en) * | 2020-10-09 | 2021-09-21 | 中国科学院过程工程研究所 | Integrated gas dust removal catalytic unit |
| CN112426821A (en) * | 2020-11-26 | 2021-03-02 | 河南中联节能工程有限公司 | Dry desulfurization, denitrification and dust removal device and method for low-sulfur flue gas in cement kiln tail |
| JP3243859U (en) * | 2023-07-10 | 2023-09-25 | 内蒙古上都▲發▼▲電▼有限▲責▼任公司 | Flue gas desulfurization equipment for thermal power plants and boilers for thermal power plants |
| CN116870605A (en) * | 2023-09-02 | 2023-10-13 | 星远智维邯郸环境科技有限公司 | Dust collector for calcium-based dry desulfurization equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111249821A (en) | Industrial waste gas treatment device | |
| CN111450650A (en) | Multinomial combination formula industrial dust removal equipment | |
| CN110280117A (en) | It is centrifuged oxidizing process and cooperates with micro-nano steam bubble VOCs processing system | |
| CN112973357B (en) | Industrial kiln waste gas desulfurization denitration dust removal integration equipment | |
| CN116870605B (en) | Dust collector for calcium-based dry desulfurization equipment | |
| CN210332128U (en) | Waste gas treatment device | |
| CN117463144A (en) | Dry desulfurization equipment for coal-charging dust-removing flue gas | |
| CN219355652U (en) | Waste gas spray tower equipment | |
| CN109603465A (en) | A kind of industrial waste gas treatment process | |
| CN116036733A (en) | Industrial waste gas multistage filtration purifier | |
| CN214437912U (en) | Rubber tire waste gas purifying equipment | |
| CN214106254U (en) | Multifunctional high-efficiency water type dust remover | |
| CN114931855A (en) | Printing ink exhaust treatment device for printing unit | |
| CN213912761U (en) | Desulfurization and denitrification dust removal device | |
| CN114247283A (en) | High-efficient purifier of nitrogenous sulphur industrial waste gas | |
| CN210171041U (en) | Semi-dry desulfurization and denitrification device bag-type dust collector | |
| CN208771125U (en) | Petrochemical equipment exhaust gas cleaner | |
| CN219399613U (en) | Dry desulfurization device for high-sulfur flue gas of boiler | |
| CN216024083U (en) | Special organic waste gas VOC processing apparatus | |
| CN219663191U (en) | Ton package material dust remover | |
| CN220531217U (en) | Flue gas dust removal desulfurization all-in-one | |
| CN216170762U (en) | Flue gas mixed structure for desulfurization and denitrification | |
| CN218188724U (en) | Cyclone dust removal device | |
| CN215428015U (en) | VOC preliminary treatment whirlwind defogging device | |
| CN220878342U (en) | Chemical waste gas desulfurization dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |