CN114699869A - Desulfurizing tower air current distribution device with air purification effect - Google Patents
Desulfurizing tower air current distribution device with air purification effect Download PDFInfo
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- CN114699869A CN114699869A CN202210615086.3A CN202210615086A CN114699869A CN 114699869 A CN114699869 A CN 114699869A CN 202210615086 A CN202210615086 A CN 202210615086A CN 114699869 A CN114699869 A CN 114699869A
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- gas
- plate
- flue gas
- fixedly connected
- tower body
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- 230000000694 effects Effects 0.000 title claims abstract description 31
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 23
- 238000004887 air purification Methods 0.000 title description 2
- 239000007789 gas Substances 0.000 claims abstract description 105
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000003546 flue gas Substances 0.000 claims abstract description 84
- 239000002245 particle Substances 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 40
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000000746 purification Methods 0.000 claims abstract description 28
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 24
- 230000023556 desulfurization Effects 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 22
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000013618 particulate matter Substances 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
-
- 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
- B01D53/14—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 by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
-
- 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the field of auxiliary equipment of flue gas desulfurization devices, in particular to a desulfurizing tower airflow distribution device with a gas purification effect. The technical problem is as follows: the gas inside the existing desulfurizing tower is unevenly distributed in a flowing manner, so that the gas is difficult to rise quickly and stably, and the absorption of the spraying liquid on sulfur dioxide in the flue gas is influenced. The technical scheme of the invention is as follows: a desulfurizing tower airflow distribution device with gas purification effect comprises a tower body, a splitter plate and the like; the upper side in the tower body is fixedly connected with a splitter plate. According to the invention, the particle catcher is utilized to carry out gas purification treatment on the flue gas, large particle substances in the flue gas are removed, the flue gas is endowed with upward lifting power stably, the cyclone plate gathers the flue gas and accelerates discrete discharge, the exhaust of the flue gas is not influenced by the downward pressure of the spray liquid under the combined action of the splitter plate and the diffuser, the flue gas is continuously and uniformly discharged from the diffuser, the flue gas desulfurization process is stable, the flue gas is fully and stably contacted with the spray liquid, and the desulfurization efficiency is improved.
Description
Technical Field
The invention relates to the field of auxiliary equipment of flue gas desulfurization devices, in particular to a desulfurizing tower airflow distribution device with a gas purification effect.
Background
The existing Chinese patent: (CN 213221638U) a desulfurizing tower with uniform airflow, which divides the flue gas into two parts continuously by arranging a uniform flow plate, the concentrated flue gas can be diffused and decelerated on the uniform flow plate, and spray liquid is matched to achieve the effect of desulfurizing; but the flow equalizing plate has a simple structure, and the flow of the spray liquid on the flow equalizing plate is overflowed by the holes on the flow equalizing plate, so that the gas purification effect below the flow equalizing plate is poor.
The existing desulfurizing tower carries out desulfurization treatment on sulfur dioxide in flue gas by means of spray backflow, but when the spray liquid is in contact with the flue gas, the spray liquid downwards extrudes the flue gas, the flue gas forms a strong turbulent flow zone in the whole desulfurizing tower, namely the whole direction of gas flow is inconsistent, so that the flue gas is not uniformly distributed, the whole desulfurization efficiency in the desulfurizing tower is influenced, a large amount of particulate matters are mixed in the flue gas, and the repeated use of the spray liquid can be influenced by the large amount of aggregated particulate matters.
In order to solve the problems, the gas flow distribution device with the gas purification effect for the desulfurizing tower is provided.
Disclosure of Invention
The invention provides a gas flow distribution device of a desulfurizing tower with a gas purification effect, aiming at overcoming the defects that the gas flow distribution in the existing desulfurizing tower is not uniform, the gas is difficult to quickly and stably ascend, and the absorption of spraying liquid on sulfur dioxide in flue gas is influenced.
The technical scheme of the invention is as follows: a desulfurizing tower airflow distribution device with a gas purification effect comprises a tower body and a gas delivery pipe; the lower side of the outer surface of the tower body is fixedly connected with a gas pipe; the device also comprises a particle catcher, a spoiler, a splitter plate, a diffuser and a rotational flow plate; the particle catcher is rotatably connected inside the gas pipe, and the rotating center of the particle catcher and the central axis of the gas pipe are in the same straight line; the air outlet end of the air delivery pipe is provided with a plurality of inclined spoilers; removing large-particle-size particle substances from the flue gas containing sulfur dioxide in the gas transmission pipe by a particle catcher, and reversing under the action of a plurality of spoilers, so that the flue gas can contact a liquid layer at the bottom of the tower body to remove a small part of sulfur dioxide; a splitter plate is fixedly connected with the upper side inside the tower body; the upper surface of the flow distribution plate is fixedly connected with a plurality of air diffusers; a rotational flow plate is fixedly connected with the lower side in the tower body and is positioned above the gas conveying pipe; the flow velocity that the flue gas enters into the tower body slows down, and the whirl board is to the flue gas accelerated processing, and the flue gas is gathered with higher speed by the whirl board and the whirl rises and spills over from the diffuser on the flow distribution plate, and the layer spun liquid that sprays in the tower body is handled the flue gas that the diffuser effused, and the spraying liquid that has absorbed sulfur dioxide flows down to the whirl board once more, realizes the convection current to the flue gas that the whirl board spilled over, accomplishes the desulfurization of flue gas.
In a preferred embodiment of the present invention, the particle trap comprises a central connecting rod and a spiral plate, and the outer surface of the spiral plate carries the particle adsorbing material.
As a preferred technical scheme of the invention, the splitter plate is provided with exhaust holes with the number corresponding to that of the air diffuser; the splitter plate is provided with a plurality of drainage grooves corresponding to the air diffusers, and the edges of the upper parts of the drainage grooves are provided with round corners.
As a preferred technical scheme of the invention, the air diffuser consists of a vent pipe and a hemispherical baffle, a plurality of air holes are formed in the upper part of the vent pipe, the tower body is divided into an upper space and a lower space through a splitter plate, and the lower space and the upper space of the tower body are communicated through the air holes of the vent pipe.
As a preferred technical scheme of the invention, the swirl plate is a cover with an arc-shaped surface, and a plurality of S-shaped air outlet holes are formed on the swirl plate; the edge of the rotational flow plate is provided with a plurality of flow guide holes.
As a preferred technical scheme of the invention, the invention also comprises a flow guide pipe, a collecting pipe and a dust filter screen; the bottom of the flow distribution plate is communicated with flow guide pipes with the same number as the drainage grooves; a dust filter screen is fixedly connected to the middle part of the inner side of the tower body; eight collecting pipes which are uniformly distributed in the circumferential direction are fixedly connected to the dust filter screen; each collecting pipe is communicated with a plurality of flow guide pipes.
As a preferred technical scheme of the invention, the device also comprises a particle cleaning system; the inner part of the gas transmission pipe is connected with a particle cleaning system for cleaning particles attached to the particle catcher; the particle cleaning system comprises a gathering box, a straight guide rail, a moving block, an electric telescopic piece, a fixing frame, an elastic telescopic rod and a cleaning rod; the bottom of the gas pipe is connected with a detachable collecting box; a straight guide rail is fixedly connected to the front side inside the gas transmission pipe; a moving block is connected in the straight guide rail in a sliding manner; an electric telescopic piece is fixedly connected to the moving block; the telescopic part of the electric telescopic piece is fixedly connected with a fixing frame; two elastic telescopic rods are fixedly connected to the left side and the right side inside the fixing frame respectively; and each two elastic telescopic rods at the same side are fixedly connected with a cleaning rod.
As a preferred technical scheme of the invention, the device also comprises an attachment plate; an attachment plate for attaching small particulate matters is fixedly connected to the bottom of the rotational flow plate.
As a preferred technical scheme of the invention, the system also comprises a gas lifting system; a gas lifting system for lifting the flue gas is connected inside the tower body and is positioned between the splitter plate and the cyclone plate; the gas lifting system comprises a supporting plate, a second power motor, a rotating shaft, a worm wheel, a connecting shaft, a cleaner and an impeller; a support plate is fixedly connected to the right side inside the tower body; a second power motor is fixedly connected to the right side of the outer surface of the tower body; the supporting plate is rotatably connected with a rotating shaft; an output shaft of the second power motor is fixedly connected with a rotating shaft; a worm is fixedly connected to the left part of the rotating shaft; the front part of the supporting plate is rotatably connected with a connecting shaft; the connecting shaft is rotationally connected with the rotational flow plate; a worm wheel is fixedly connected to the upper part of the connecting shaft; the worm is meshed with the worm wheel; three cleaners are fixedly connected to the middle of the outer surface of the connecting shaft; the lower side of the connecting shaft is fixedly connected with an impeller.
As a preferred technical scheme of the invention, the cleaner consists of an arc-shaped rod and anticorrosive hard bristles.
Has the beneficial effects that: according to the invention, the particle catcher is utilized to carry out gas purification treatment on the flue gas, large particle substances in the flue gas are removed, the flue gas is endowed with upward lifting power stably, the cyclone plate gathers the flue gas and accelerates discrete discharge, the exhaust of the flue gas is not influenced by the downward pressure of the spray liquid under the combined action of the splitter plate and the diffuser, the flue gas is continuously and uniformly discharged from the diffuser, the flue gas desulfurization process is stable, the flue gas is fully and stably contacted with the spray liquid, and the desulfurization efficiency is improved.
Drawings
FIG. 1 is a schematic view of a first three-dimensional structure of a gas flow distribution device of a desulfurizing tower with a gas purification effect according to the present invention;
FIG. 2 is a schematic perspective view of a second gas flow distribution device of a desulfurizing tower with gas purification effect according to the present invention;
FIG. 3 is a schematic view of a third three-dimensional structure of the gas flow distribution device of the desulfurization tower with gas purification effect according to the present invention;
FIG. 4 is a schematic view of a first partial structure of a gas flow distribution device of a desulfurizing tower with a gas purifying effect according to the present invention;
FIG. 5 is a schematic view of a second partial structure of the gas flow distribution device of the desulfurization tower with a gas purification effect according to the present invention;
FIG. 6 is a schematic perspective view of a particle cleaning system according to the present invention;
FIG. 7 is a schematic view of a third partial structure of the gas flow distribution device of the desulfurization tower with gas purification effect according to the present invention;
FIG. 8 is a schematic perspective view of a gas lift system according to the present invention;
FIG. 9 is a schematic view of a fourth partial structure of the gas flow distribution device of the desulfurization tower with a gas purification effect according to the present invention;
FIG. 10 is a schematic view of a fifth partial structure of the gas flow distribution device of the desulfurization tower with a gas purification effect according to the present invention;
FIG. 11 is a schematic view of a sixth partial structure of the gas flow distribution device of the desulfurization tower with a gas purification effect according to the present invention;
FIG. 12 is a partial structural cross-sectional view of a diverter plate according to the present invention;
FIG. 13 is a schematic perspective view of the swirl plate of the present invention.
Labeled as: 1-tower body, 2-gas pipe, 3-gathering box, 4-particle catcher, 5-spoiler, 6-first driving wheel, 7-second driving wheel, 8-first power motor, 9-straight guide rail, 10-moving block, 11-electric telescopic piece, 12-fixed frame, 13-elastic telescopic rod, 14-cleaning rod, 15-splitter plate, 16-diffuser, 17-draft tube, 18-confluence tube, 19-dust filter net, 20-supporting plate, 21-second power motor, 22-rotating shaft, 23-worm, 24-worm wheel, 25-connecting shaft, 26-cleaner, 27-rotational flow plate, 28-attachment plate, 29-impeller and 30-gathering device.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description, but the invention is not limited to the scope of protection and application.
Examples
A desulfurizing tower airflow distribution device with a gas purification effect, which is shown in figures 1-13 and comprises a tower body 1 and a gas transmission pipe 2; the lower side of the outer surface of the tower body 1 is fixedly connected with a gas pipe 2;
the device also comprises a particle catcher 4, a spoiler 5, a splitter plate 15, a diffuser 16 and a swirl plate 27; the particle catcher 4 is rotatably connected in the gas pipe 2, and the rotating center of the particle catcher 4 and the central axis of the gas pipe 2 are in the same straight line; the air outlet end of the air delivery pipe 2 is provided with a plurality of inclined spoilers 5; the flue gas containing sulfur dioxide is removed large-particle-size particle substances in the gas conveying pipe 2 by the particle catcher 4, the reversing is realized under the action of the spoilers 5, and the flue gas can contact a liquid layer at the bottom of the tower body 1 to remove a small part of sulfur dioxide; a splitter plate 15 is fixedly connected with the upper side inside the tower body 1; a plurality of air diffusers 16 are fixedly connected to the upper surface of the flow distribution plate 15; a rotational flow plate 27 is fixedly connected with the lower side in the tower body 1, and the rotational flow plate 27 is positioned above the gas conveying pipe 2; the flow velocity of the flue gas entering the tower body 1 is slowed down, the cyclone plate 27 accelerates the flue gas treatment, the flue gas is accelerated by the cyclone plate 27 to converge and rise in a cyclone manner to overflow from the air diffuser 16 on the splitter plate 15, the liquid sprayed by the spraying layer in the tower body 1 treats the flue gas emitted by the air diffuser 16, the spraying liquid absorbing sulfur dioxide flows downwards to the cyclone plate 27 again, convection is realized for the flue gas overflowing from the cyclone plate 27, and the desulfurization of the flue gas is completed.
The particle catcher 4 is composed of a middle connecting round rod and a spiral plate, and the outer surface of the spiral plate is loaded with particle adsorbing substances.
The splitter plate 15 is provided with exhaust holes with the number corresponding to that of the air diffuser 16; the splitter plate 15 is provided with drainage grooves with the number corresponding to that of the air diffusers 16, and the edges of the upper parts of the drainage grooves are provided with round corners.
A plurality of flow collectors 30 are welded on the flow distribution plate 15, and each flow collector 30 corresponds to one exhaust hole.
The air diffuser 16 is composed of a vent pipe and a hemispherical baffle, a plurality of air holes are formed in the upper portion of the vent pipe, the tower body 1 is divided into an upper space and a lower space through a flow distribution plate 15, and the lower space and the upper space of the tower body 1 are communicated through the air holes of the vent pipe.
The swirl plate 27 is a cover with an arc-shaped surface, and a plurality of S-shaped air outlet holes are formed in the swirl plate 27; the edge of the rotational flow plate 27 is provided with a plurality of flow guide holes.
Also comprises a flow guide pipe 17, a collecting pipe 18 and a dust filter screen 19; the bottom of the flow distribution plate 15 is communicated with flow guide pipes 17 the number of which is consistent with that of the flow guide grooves; a dust filter screen 19 is fixedly connected to the middle part of the inner side of the tower body 1; eight collecting pipes 18 which are uniformly distributed in the circumferential direction are fixedly connected to the dust filter screen 19; each collecting pipe 18 is communicated with a plurality of flow guide pipes 17.
Also comprises a particle cleaning system; a particle cleaning system for cleaning particles attached to the particle catcher 4 is connected in the gas transmission pipe 2; the particle cleaning system comprises a gathering box 3, a straight guide rail 9, a moving block 10, an electric telescopic piece 11, a fixing frame 12, an elastic telescopic rod 13 and a cleaning rod 14; the bottom of the gas pipe 2 is connected with a detachable gathering box 3; a straight guide rail 9 is fixedly connected with the front side in the gas pipe 2; a moving block 10 is connected inside the straight guide rail 9 in a sliding manner; an electric telescopic piece 11 is fixedly connected to the moving block 10; the telescopic part of the electric telescopic piece 11 is fixedly connected with a fixed frame 12; two elastic telescopic rods 13 are fixedly connected to the left side and the right side inside the fixed frame 12 respectively; and each two elastic telescopic rods 13 at the same side are fixedly connected with a cleaning rod 14.
The electric telescopic part 11 is an electric push rod.
Also included are attachment plates 28; the bottom of the rotational flow plate 27 is bolted with an attachment plate 28 for attaching small particulate matter.
The device also comprises a gas lifting system; a gas lifting system for lifting the flue gas is connected inside the tower body 1, and the gas lifting system is positioned between the splitter plate 15 and the cyclone plate 27; the gas lifting system comprises a supporting plate 20, a second power motor 21, a rotating shaft 22, a worm 23, a worm wheel 24, a connecting shaft 25, a cleaner 26 and an impeller 29; a support plate 20 is connected with the right side of the interior of the tower body 1 through a bolt; a second power motor 21 is fixedly connected to the right side of the outer surface of the tower body 1; the supporting plate 20 is rotatably connected with a rotating shaft 22; an output shaft of the second power motor 21 is fixedly connected with a rotating shaft 22; a worm 23 is fixedly connected to the left part of the rotating shaft 22; the front part of the supporting plate 20 is rotatably connected with a connecting shaft 25; the connecting shaft 25 is rotatably connected with the rotational flow plate 27; the upper part of the connecting shaft 25 is fixedly connected with a worm wheel 24; the worm 23 is meshed with the worm wheel 24; three cleaners 26 are fixedly connected to the middle of the outer surface of the connecting shaft 25; an impeller 29 is fixedly connected to the lower side of the connecting shaft 25.
The cleaner 26 is composed of an arc-shaped rod and corrosion-resistant hard bristles.
The device also comprises a power transmission system; the outer surface of the gas transmission pipe 2 is connected with a power transmission system which provides power for the particle catcher 4; the power transmission system comprises a first driving wheel 6, a second driving wheel 7 and a first power motor 8; a first power motor 8 is fixedly connected with the outer surface of the gas pipe 2; a second driving wheel 7 is fixedly connected with an output shaft of the first power motor 8; a first driving wheel 6 is fixedly connected to the right part of the particle catcher 4; the outer ring surface of the first driving wheel 6 is in transmission connection with a second driving wheel 7 through a belt.
The flue gas reaches the position of the gas transmission pipe 2 from the generated position through the transmission pipeline, and the outlet position of the gas transmission pipe 2 is higher than the liquid level of a liquid layer at the bottom of the tower body 1; starting a desulfurizing tower airflow distribution device with a gas purification effect, controlling a first power motor 8 to operate in the process of starting flue gas treatment, driving a second driving wheel 7 to rotate by an output shaft of the first power motor 8, realizing power transmission on the first driving wheel 6 by the second driving wheel 7 through a belt, driving the particle catcher 4 to rotate by taking the central line axis of the gas conveying pipe 2 as a rotation center by the first driving wheel 6, drawing the flue gas by a spiral plate on the particle catcher 4 and applying power, namely realizing the slow speed of the flue gas passing through the particle catcher 4, in the process, absorbing large particles in the flue gas by absorbing substances on the long particle catcher 4 to finish the gas purification treatment of the flue gas, enabling the flue gas to come out from the tail end of the particle catcher 4, and simultaneously changing the moving direction of the flue gas and flowing downwards to reach an inclined liquid layer at the bottom of the tower body 1 under the action of four spoilers 5, the flue gas is absorbed by the bottom liquid layer to realize pretreatment.
The flue gas is continuously conveyed to the bottom of the tower body 1, and when the flue gas enters the tower body 1 with a larger space, the whole flow velocity is slowed, at the moment, the upward movement speed of the flue gas is slowed, the second power motor 21 is controlled to operate, the second power motor 21 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the worm 23 to drive the worm wheel 24, the worm wheel 24 drives the connecting shaft 25 to rotate, correspondingly, the connecting shaft 25 drives the impeller 29 to rotate, the rotating impeller 29 pumps the flue gas at the bottom of the rotating shaft, the flue gas obtains stable upward lifting power, the flue gas is gathered on the rotational flow plate 27, and because the rotational flow plate 27 is provided with the S-shaped air outlet, therefore, the flue gas is accelerated and dispersed upwards to be discharged after being gathered at the bottom of the cyclone plate 27, the flue gas at the upper part of the cyclone plate 27 integrally rises, the dust filter 19 is used for filtering tiny particles and reducing the contact between the particles and the spraying liquid; in the process, liquid is continuously sprayed out of a spraying layer in the tower body 1, the swirling gas discharged from the swirling plate 27 moves upwards from the flow collector 30 at the bottom of the flow distribution plate 15, the flue gas enters the exhaust holes of the flow distribution plate 15 and continuously flows upwards and enters the diffuser 16, the flue gas radially overflows from the air holes in the ventilating pipe on the diffuser 16, the spraying liquid at the upper part of the diffuser 16 hits a hemispherical baffle plate of the diffuser 16 in the downward movement process, the spraying liquid on the hemispherical baffle plate is contacted with the flue gas downwards, meanwhile, the spraying liquid is also contacted with the flue gas in the space at the upper part of the flow distribution plate 15, and the flue gas discharged from the diffuser 16 is stably and uniformly distributed, so that the flue gas at the upper part of the flow distribution plate 15 flows stably, the spraying liquid is fully contacted with the flue gas, and is absorbed; in the process that the spray liquid moves downwards, the spray liquid absorbs sulfur dioxide, the spray liquid presses the gas down integrally under the combined action of the splitter plate 15 and the diffuser 16, new flue gas is discharged stably and continuously by the diffuser 16, the spray liquid gathers from the drainage grooves on the splitter plate 15, the spray liquid absorbs the flue gas and moves downwards to the plurality of flow guide pipes 17 under the action of gravity, the plurality of flow guide pipes 17 respectively gather into the eight flow guide pipes 18, in the process, the sulfur dioxide is absorbed by the spray liquid continuously and stably, the spray liquid discharged from the flow guide pipes 18 can hit the cyclone plate 27, the exhaust holes in the upper surface of the cyclone plate 27 realize primary absorption of the flue gas after contacting the liquid, in the process, the connecting shaft 25 drives the three cleaners 26 to rotate continuously, the three cleaners 26 continuously clean the upper surface of the cyclone plate 27, and small amount of sulfide solids remained on the upper surface of the cyclone plate 27 are avoided, the sulfide solids are prevented from being accumulated to influence the passing of the flue gas; and the spray liquid that flows from water conservancy diversion hole and the venthole on whirl board 27 can contact attachment plate 28, sprays the liquid and provides moist condition for attachment plate 28 continuously attaches to the particulate matter in the flue gas, then makes particulate matter contact the gathering with spray liquid again in tower body 1 bottom, accomplishes the settlement gathering, realizes the unified clearance after the gathering afterwards.
When the smoke treatment stops, no smoke is output in the gas pipe 2, the operation of a positioning sensor in the gas pipe 2 is controlled at the moment, the positioning sensor can monitor the position of a spiral plate on the particle catcher 4, the operation of the electric extensible part 11 is controlled, the extensible part of the electric extensible part 11 drives related parts on the electric extensible part to move together, two cleaning rods 14 which move along the movement reach a rotating path of the spiral plate on the particle catcher 4, then a first power motor 8 is controlled to operate, the first power motor 8 drives a second driving wheel 7 to rotate at an extremely low rotating speed, the second driving wheel 7 drives a first driving wheel 6, the first driving wheel 6 drives the particle catcher 4 to rotate, the end part of the spiral plate on the rotating particle catcher 4 meets the two cleaning rods 14 in the rotating process, the spiral plate pushes the two cleaning rods 14, and the elastic telescopic rods 13 on the two cleaning rods 14 are compressed under the force, at the moment, the two cleaning rods 14 have stable force to clamp the spiral plate on the particle catcher 4, the spiral plate on the particle catcher 4 enables the two cleaning rods 14 to obtain transverse power in the rotating process, so that the moving block 10 can correspondingly transversely move on the straight guide rail 9, at the moment, the two cleaning rods 14 can finish cleaning the spiral plate on the whole particle catcher 4, and when the two cleaning rods 14 finish cleaning the whole spiral plate, the first power motor 8 is controlled to reversely rotate, so that the reversely rotating spiral plate conveys the whole particle cleaning system back to the initial position; the cleaned particulate material is collected in the collection tank 3 and after the operation is completed the collection tank 3 can be removed and the particulate material cleaned.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A gas flow distribution device of a desulfurizing tower with a gas purification effect comprises a tower body (1); a gas pipe (2) is fixedly connected with the lower side of the outer surface of the tower body (1); the device is characterized by also comprising a particle catcher (4), a spoiler (5), a splitter plate (15), a diffuser (16) and a swirl plate (27); the particle catcher (4) is rotatably connected in the gas pipe (2), and the rotating center of the particle catcher (4) and the central axis of the gas pipe (2) are in the same straight line; the air outlet end of the air delivery pipe (2) is provided with a plurality of inclined spoilers (5); the flue gas containing sulfur dioxide is removed large-particle-size particle substances in the gas transmission pipe (2) by the particle catcher (4), and the flue gas is reversed under the action of the spoilers (5), so that the flue gas can contact a liquid layer at the bottom of the tower body (1) to remove a small part of sulfur dioxide; a splitter plate (15) is fixedly connected with the upper side inside the tower body (1); a plurality of air diffusers (16) are fixedly connected to the upper surface of the flow distribution plate (15); a rotational flow plate (27) is fixedly connected with the lower side in the tower body (1), and the rotational flow plate (27) is positioned above the gas conveying pipe (2); the flow velocity that the flue gas enters into in tower body (1) slows down, whirl board (27) handle the flue gas with higher speed, the flue gas is gathered and the whirl rises with higher speed by whirl board (27) and spills over from air diffuser (16) on flow distribution plate (15) and spills over, the flue gas that sprays layer spun in tower body (1) was handled air diffuser (16) effluvium, the spraying liquid that has absorbed sulfur dioxide flows down to whirl board (27) once more, realize the convection current to the flue gas that whirl board (27) overflowed, accomplish the desulfurization of flue gas.
2. The gas flow distribution device with net gas effect for the desulfurizing tower of claim 1, wherein: the particle catcher (4) is composed of a middle connecting round rod and a spiral plate, and particle adsorption substances are carried on the outer surface of the spiral plate.
3. The gas flow distribution device with gas purification effect for the desulfurization tower of claim 1, wherein: the splitter plate (15) is provided with exhaust holes with the number corresponding to that of the air diffuser (16); the splitter plate (15) is provided with drainage grooves with the number corresponding to that of the air diffuser (16), and the edges of the upper parts of the drainage grooves are provided with fillets.
4. The gas flow distribution device with gas purification effect for the desulfurization tower of claim 1, wherein: the air diffuser (16) consists of a vent pipe and a hemispherical baffle, a plurality of air holes are formed in the upper part of the vent pipe, the tower body (1) is divided into an upper space and a lower space through a flow distribution plate (15), and the lower space and the upper space of the tower body (1) are communicated through the air holes of the vent pipe.
5. The gas flow distribution device with gas purification effect for the desulfurization tower of claim 1, wherein: the cyclone plate (27) is a cover with an arc-shaped surface, and a plurality of S-shaped air outlets are formed in the cyclone plate (27); the edge of the rotational flow plate (27) is provided with a plurality of flow guide holes.
6. The gas flow distribution device with gas purification effect for the desulfurization tower of claim 5, wherein: also comprises a flow guide pipe (17), a collecting pipe (18) and a dust filtering net (19); the bottom of the flow distribution plate (15) is communicated with guide pipes (17) the number of which is consistent with that of the drainage grooves; a dust filter screen (19) is fixedly connected with the middle part of the inner side of the tower body (1); eight collecting pipes (18) which are uniformly distributed in the circumferential direction are fixedly connected to the dust filtering net (19); each collecting pipe (18) is communicated with a plurality of flow guide pipes (17).
7. The gas flow distribution device for the desulfurizing tower with gas purification effect as claimed in claim 6, wherein: also comprises a particle cleaning system; a particle cleaning system for cleaning particles attached to the particle catcher (4) is connected inside the gas transmission pipe (2); the particle cleaning system comprises a gathering box (3), a straight guide rail (9), a moving block (10), an electric telescopic piece (11), a fixed frame (12), an elastic telescopic rod (13) and a cleaning rod (14); the bottom of the gas pipe (2) is connected with a detachable gathering box (3); a straight guide rail (9) is fixedly connected with the front side in the gas pipe (2); a moving block (10) is connected in the straight guide rail (9) in a sliding manner; an electric telescopic piece (11) is fixedly connected to the moving block (10); the telescopic part of the electric telescopic piece (11) is fixedly connected with a fixed frame (12); two elastic telescopic rods (13) are respectively fixedly connected to the left side and the right side inside the fixed frame (12); each two elastic telescopic rods (13) at the same side are fixedly connected with a cleaning rod (14).
8. The gas flow distribution device with gas purification effect for the desulfurization tower of claim 7, wherein: also comprises an attachment plate (28); an attachment plate (28) for attaching small particle substances is fixedly connected to the bottom of the rotational flow plate (27).
9. The gas flow distribution device with net gas effect for the desulfurization tower of any one of claims 1 to 8, wherein: the device also comprises a gas lifting system; a gas lifting system for lifting flue gas is connected inside the tower body (1), and the gas lifting system is positioned between the splitter plate (15) and the cyclone plate (27); the gas lifting system comprises a supporting plate (20), a second power motor (21), a rotating shaft (22), a worm (23), a worm wheel (24), a connecting shaft (25), a cleaner (26) and an impeller (29); a support plate (20) is fixedly connected to the right side inside the tower body (1); a second power motor (21) is fixedly connected to the right side of the outer surface of the tower body (1); the supporting plate (20) is rotatably connected with a rotating shaft (22); an output shaft of the second power motor (21) is fixedly connected with a rotating shaft (22); a worm (23) is fixedly connected to the left part of the rotating shaft (22); the front part of the supporting plate (20) is rotatably connected with a connecting shaft (25); the connecting shaft (25) is rotationally connected with the rotational flow plate (27); a worm wheel (24) is fixedly connected to the upper part of the connecting shaft (25); the worm (23) is meshed with the worm wheel (24); three cleaners (26) are fixedly connected to the middle of the outer surface of the connecting shaft (25); an impeller (29) is fixedly connected to the lower side of the connecting shaft (25).
10. The gas flow distribution device with gas purification effect for the desulfurization tower of claim 9, wherein: the cleaner (26) is composed of an arc-shaped rod and anticorrosive hard bristles.
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| CN202210615086.3A CN114699869B (en) | 2022-06-01 | 2022-06-01 | Desulfurizing tower air current distribution device with air purification effect |
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| CN202210615086.3A CN114699869B (en) | 2022-06-01 | 2022-06-01 | Desulfurizing tower air current distribution device with air purification effect |
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| CN115779579A (en) * | 2023-02-08 | 2023-03-14 | 山东汇宇新材料有限公司 | Petroleum coke calcination cooling flue gas treatment device with cleaning function |
| CN115945490A (en) * | 2023-01-30 | 2023-04-11 | 唐山金隅天材管业科技有限责任公司 | Dust pelletizing system for steel pipe welding production |
| CN117358052A (en) * | 2023-10-25 | 2024-01-09 | 北京中科辉丰科技有限公司 | Flue gas equipartition board |
| CN118477504A (en) * | 2024-07-15 | 2024-08-13 | 山东昊洁环境工程有限公司 | Desulfurization and denitrification is with samming device |
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