CN211216039U - Industrial waste gas treatment device - Google Patents

Industrial waste gas treatment device Download PDF

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Publication number
CN211216039U
CN211216039U CN201922009562.3U CN201922009562U CN211216039U CN 211216039 U CN211216039 U CN 211216039U CN 201922009562 U CN201922009562 U CN 201922009562U CN 211216039 U CN211216039 U CN 211216039U
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China
Prior art keywords
box body
dust removal
cyclone dust
purification
waste gas
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CN201922009562.3U
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Chinese (zh)
Inventor
杨一峰
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Shandong Tongchuang Fine Chemicals Co ltd
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Shandong Tongchuang Fine Chemicals Co ltd
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Abstract

The utility model discloses an industrial waste gas treatment device, which comprises a cyclone dust removal device, a pipeline I, an induced draft fan, a pipeline II and a purification and desulfurization device, wherein the cyclone dust removal device is connected with the induced draft fan through the pipeline I; the cyclone dust removal device comprises a cyclone dust removal box body, an air inlet, a spiral flow deflector, a middle through pipe, a filter screen, an air outlet, a first-stage ash discharge device, a second-stage ash discharge device, a supporting leg, a water tank, a water inlet and a water outlet; the purification and desulfurization device comprises a purification and desulfurization box body, an upper partition plate, a lower partition plate, an alkaline liquid pool, a clean water pool, an air inlet pipe, a support, an inclined plate, a blow-off pipe, a flow gathering cover, a leading-in pipe, a first-stage demister, a second-stage demister, a third-stage demister, an air outlet, an alkaline liquid injection port, a clean water injection port and a clean water discharge port. The utility model discloses set gradually cyclone dust collector, purification and desulfurization device, carry out effectual purification treatment to industrial waste gas.

Description

Industrial waste gas treatment device
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment device, in particular to industrial waste gas treatment device.
Background
At present, a large amount of pollutants are generated in the fuel combustion and production process in an enterprise factory, iron is reduced from iron ore by coke and carbon monoxide generated by combustion of the coke at high temperature, a large amount of smoke dust is generated in the process, and acidic waste gases such as sulfide and nitrogen oxide are generated in the combustion process.
In the existing waste gas treatment device, a bag-type dust collector is mainly used for treating smoke dust, but the occupied area of bag-type dust collection is large, and some large-particle smoke dust easily blocks the dust collection bag, so that the abrasion of the bag is aggravated, and the later maintenance cost is high; in order to meet the requirements of desulfurization of large-discharge gas and improve the desulfurization effect, the desulfurization device has large occupied area of equipment and high later maintenance cost;
disclosure of Invention
The utility model aims at overcoming the deficiencies in the prior art, providing an industrial waste gas treatment device, rational in infrastructure sets gradually cyclone dust collector, purification and desulfurization device, carries out effectual purification treatment to industrial waste gas.
In order to realize the purpose, the utility model discloses a technical scheme is:
an industrial waste gas treatment device comprises a cyclone dust removal device, a pipeline I, an induced draft fan, a pipeline II and a purification desulfurization device, wherein the cyclone dust removal device is connected with the induced draft fan through the pipeline I;
the cyclone dust removal device comprises a cyclone dust removal box body, an air inlet, a spiral flow deflector, a middle through pipe, a filter screen, an air outlet, a primary dust discharge device, a secondary dust discharge device, supporting legs, a water tank, a water inlet and a water outlet, wherein the cyclone dust removal box body is a conical box body, the outer side wall of the bottom of the conical box body is provided with a plurality of supporting legs, the upper side wall of the cyclone dust removal box body is provided with the air inlet, the inner side wall of the cyclone dust removal box body is provided with the water tank, the water tank is arranged around the cyclone dust removal box body, the bottom of the water tank is provided with the water inlet, the top of the water tank is provided with the water outlet, the center of the cyclone dust removal box; the bottom of the cyclone dust removal box body is provided with a primary ash discharging device, and the bottom of the primary ash discharging device is provided with a secondary ash discharging device; the industrial waste gas under the high-temperature combustion contains a large amount of heat and large-particle dust, the waste gas enters the cyclone dust removal device through the air inlet, when dust is removed through the cyclone, circulating cooling water in the water tank exchanges heat with the high-temperature waste gas, waste heat is recycled, the high-temperature waste gas is converted into low-temperature waste gas, the low-temperature waste gas is gathered through the spiral flow deflectors, the large-particle dust is effectively collected, the dust is discharged through the first-level dust discharge device, the second-level dust discharge device discharges the dust, and the dust is collected and treated;
the purification and desulfurization device comprises a purification and desulfurization box body, an upper partition plate, a lower partition plate, an alkaline solution pool, a clean water pool, an air inlet pipe, a support, an inclined plate, a blow-off pipe, a flow gathering cover, an inlet pipe, a primary demister, a secondary demister, a tertiary demister, an air outlet, an alkaline solution injection port, a clean water injection port and a clean water discharge port, wherein the upper partition plate and the lower partition plate are arranged in the purification and desulfurization box body; the lower partition plate divides the bottom of the purifying and desulfurizing box body into an alkali liquor pool and a clean water pool, the lead-in pipe extends into the clean water pool, an alkali liquor filling opening is formed in the side wall of the upper part of the alkali liquor pool, a clean water filling opening is formed in the side wall of the upper part of the clean water pool, and a clean water placing opening is formed in the side wall of the lower part of the clean water; the upper part of the alkali liquor pool is provided with a support, the support is provided with an air inlet pipe, one end of the air inlet pipe extends into the alkali liquor, the other end of the air inlet pipe is communicated with a draught fan through a pipeline II, the bottom of the alkali liquor pool is provided with an inclined plate, and one side of the inclined plate is provided with a blow-off pipe; the side wall of the upper partition plate is provided with a first-stage demister, the upper part of the first-stage demister is provided with a second-stage demister, the upper part of the second-stage demister is provided with a third-stage demister, the side wall of the upper purifying and desulfurizing box body of the third-stage demister is provided with an air outlet, and the air outlet is connected with a centrifugal fan through a;
the primary demister, the secondary demister and the tertiary demister are consistent in structure, and the purified gas is demisted through the multiple layers of demisters; waste gas after cyclone removes dust gets into the alkali lye pond through the intake pipe and carries out water bath dust removal, and through the acid waste gas in the alkali lye neutralization waste gas, realize purifying and desulfurizing, gas behind the water bath alkali lye is diluted through gathering a cover, leading-in pipe entering clean water basin, prevents the high concentration salt solution after the neutralization, is taken away the discharge by the gas behind the water bath, forms new dust pollution.
Preferably, one-level ash discharging device and second grade ash discharging device structure are unanimous, the ash discharging device is including unloading the hawk, unload the ash support, the rotation axis, the hand wheel, unload hawk laminating whirlwind dust removal box ash hole inside wall, it is equipped with the rubber layer to unload the hawk outside, deformation through rubber, make the better laminating whirlwind dust removal box ash hole inside wall of unloading the hawk, it is equipped with the rotation axis to unload hawk one end, the rotation axis passes and unloads the ash support, it sets up in whirlwind dust removal box lateral wall to unload the ash support, the rotation axis other end is equipped with the hand wheel, through rotatory hand wheel, make through the rotation axis and unload the upset of hawk.
Preferably, purification desulfurization bottom of the case body portion is equipped with the gyro wheel, realizes through the gyro wheel that purification desulphurization unit position can walk, makes things convenient for the maintenance in later stage to overhaul.
Preferably, the bottom of the inclined plate is provided with a vibrator, the vibrator is used for effectively collecting the precipitated dust of the water bath alkali liquor, and the precipitated dust is conveyed to the sewage discharge pipe through vibration.
Preferably, lye pond upper portion is equipped with sprays the mechanism, spray the mechanism including spraying inlet, liquid storage pot, spraying trunk line, fixing base, bleeder, liquid outlet, baffle cover, the liquid storage pot top is equipped with sprays the inlet, sprays the inlet and passes through the hose connection pump body, and pump body suction alkali lye sprays liquid and gets into the liquid storage pot, and liquid storage pot one side is equipped with a plurality of trunk lines that spray, sprays the trunk line and sets up between last baffle and the purification desulfurization box through the fixing base, and it is equipped with a plurality of bleeder to spray the trunk line bottom, is equipped with the liquid outlet on the bleeder, and liquid outlet upper portion is equipped with the baffle cover, and the liquid outlet disperses the spraying to the gaseous further desulfurization dust fall of water bath, and the.
Compared with the prior art, the utility model beneficial effect shows:
1) industrial waste gas under high-temperature combustion contains a large amount of hot and large-particle dust, the waste gas enters the cyclone dust removal device through the air inlet, and when dust is removed through cyclone, circulating cooling water in the water tank exchanges heat with the high-temperature waste gas, waste heat is recycled, the high-temperature waste gas is converted into low-temperature waste gas, the low-temperature waste gas is gathered through the spiral flow deflector, and the large-particle dust is further filtered by the filter screen, so that the waste gas and smoke dust collection treatment efficiency is high;
2) waste gas after cyclone dust removal gets into the alkali lye pond through the intake pipe and carries out water bath dust removal, through the acid waste gas in the alkali lye neutralization waste gas, realizes purifying and desulfurizing, and gas behind the water bath alkali lye is diluted through gathering a cover, leading-in pipe entering clean water basin, and the defogging of last one-level defroster, second grade defroster, tertiary defroster is discharged, and purifying effect is good.
3) The liquid outlet that sprays in the mechanism is to the further desulfurization dust fall of the gas of water bath, and the baffle cover disperses the alkali lye that sprays and sprays, increases the effect that sprays.
Drawings
FIG. 1 is a schematic structural view of an industrial waste gas treatment device of the present invention;
FIG. 2 is a schematic structural view of a cyclone dust collector in the industrial waste gas treatment device of the present invention;
FIG. 3 is a schematic structural view of an ash discharge device in the industrial waste gas treatment device of the present invention;
FIG. 4 is a schematic structural view of a purification and desulfurization device in an industrial waste gas treatment device of the present invention;
FIG. 5 is an enlarged schematic view of a branch pipe in the industrial waste gas treatment device of the present invention;
in the figure: 11. a cyclone dust removal device; 12. a pipeline I; 13. an induced draft fan; 14. a pipeline II; 15. a purification and desulfurization device; 101. a cyclone dust removal box body; 102. an air inlet; 103. a spiral flow deflector; 104. a middle through pipe; 105. a filter screen; 106. an air outlet; 107. a first-stage ash discharge device; 108. a secondary ash discharge device; 109. supporting legs; 110. a water tank; 111. a water inlet; 112. a water outlet; 201. unloading the ash plate; 202. unloading the ash from the support; 203. a rotating shaft; 204. a hand wheel; 301. purifying the desulfurization box body; 302. an upper partition plate; 303. a lower partition plate; 304. an alkaline solution pool; 305. a clean water tank; 306. an air inlet pipe; 307. a support; 308. a sloping plate; 309. a vibrator; 310. a blow-off pipe; 311. a flow-collecting cover; 312. an introducing pipe; 313. a first-stage demister; 314. a secondary demister; 315. a third-stage demister; 316. an air outlet; 317. an alkali liquor injection opening; 318. a clean water injection port; 319. putting a clean mouth; 320. a roller; 401. spraying a liquid inlet; 402. a liquid storage tank; 403. a main spraying pipeline; 404. a fixed seat; 405. a branch pipe; 406. a liquid outlet; 407. and a baffle plate cover.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further specifically described with reference to fig. 1 to 5.
An industrial waste gas treatment device comprises a cyclone dust removal device 11, a pipeline I12, an induced draft fan 13, a pipeline II 14 and a purification and desulfurization device 15, wherein the cyclone dust removal device 11 is connected with the induced draft fan 13 through the pipeline I12, the induced draft fan 13 is connected with the purification and desulfurization device 15 through the pipeline II 14, and the purification and desulfurization device 15 is connected with a centrifugal fan through a pipeline;
the cyclone dust removal device 11 comprises a cyclone dust removal box body 101, an air inlet 102, a spiral flow deflector 103, a middle through pipe 104, a filter screen 105, an air outlet 106, a first-stage ash discharge device 107, a second-stage ash discharge device 108, supporting legs 109, a water tank 110, a water inlet 111 and a water outlet 112, the cyclone dust removal box body 101 is a conical box body, a plurality of supporting legs 109 are arranged on the outer side wall of the bottom of the conical box body, an air inlet 102 is arranged on the side wall of the upper part of the cyclone dust removal box body 101, a water tank 110 is arranged on the inner side wall of the cyclone dust removal box body 101, the water tank 110 is arranged around the cyclone dust removal box body 101, a water inlet 111 is arranged at the bottom of the water tank 110, a water outlet 112 is arranged at the top of the water tank 110, a middle through pipe 104 is arranged in the center of the cyclone dust removal box body 101, a filter screen 105 is arranged at one end of the middle through pipe 104, an air outlet 106; the bottom of the cyclone dust removal box body 101 is provided with a first-stage ash discharging device 107, and the bottom of the first-stage ash discharging device 107 is provided with a second-stage ash discharging device 108;
the purification and desulfurization device 15 comprises a purification and desulfurization box body 301, an upper partition plate 302, a lower partition plate 303, an alkali liquor pool 304, a clean water pool 305, an air inlet pipe 306, a support 307, an inclined plate 308, a sewage discharge pipe 310, a flow gathering cover 311, an inlet pipe 312, a primary demister 313, a secondary demister 314, a tertiary demister 315, an air outlet 316, an alkali liquor injection port 317, a clean water injection port 318 and a purge outlet 319, wherein the upper partition plate 302 and the lower partition plate 303 are arranged in the purification and desulfurization box body 301, the flow gathering cover 311 is arranged between the upper partition plate 302 and the lower partition plate 303, and the inlet pipe 312 is arranged at the bottom of the flow; the bottom of the purification and desulfurization box body 301 is divided into an alkali liquor pool 304 and a clean water pool 305 by a lower partition plate 303, an inlet pipe 312 extends into the clean water pool 305, an alkali liquor injection port 317 is formed in the side wall of the upper part of the alkali liquor pool 304, a clean water injection port 318 is formed in the side wall of the upper part of the clean water pool 305, and a clean discharge port 319 is formed in the side wall of the lower part of the clean water pool 305; a support 307 is arranged at the upper part of the lye tank 304, an air inlet pipe 306 is arranged on the support 307, one end of the air inlet pipe 306 extends into the lye, the other end of the air inlet pipe 306 is communicated with the induced draft fan 13 through a pipeline II 14, an inclined plate 308 is arranged at the bottom of the lye tank 304, and a sewage discharge pipe 310 is arranged on one side of the inclined plate 308; the side wall of the upper partition plate 302 is provided with a first-stage demister 313, the upper part of the first-stage demister 313 is provided with a second-stage demister 314, the upper part of the second-stage demister 314 is provided with a third-stage demister 315, the side wall of the upper part of the third-stage demister 315 purification and desulfurization box body is provided with an air outlet 316, and the air outlet 316 is connected with a centrifugal fan through;
the one-level demister 313, the second-level demister 314 and the third-level demister 315 are consistent in structure, and demisting is carried out on purified gas through a plurality of layers of demisters.
One-level dust discharging device 107 and second grade dust discharging device 108 structure are unanimous, dust discharging device is including unloading grey board 201, unload grey support 202, rotation axis 203, hand wheel 204, unload grey board 201 laminating cyclone box ash outlet inside wall, it is equipped with the rubber layer to unload grey board 201 outside, deformation through rubber, make the better laminating cyclone box ash outlet inside wall of unloading grey board, it is equipped with rotation axis 203 to unload grey board 201 one end, rotation axis 203 passes and unloads grey support 202, it sets up in cyclone box lateral wall to unload grey support 202, the rotation axis 203 other end is equipped with hand wheel 204, through rotatory hand wheel, make through the rotation axis and unload grey board upset, the realization is unloaded the ash.
Purify desulfurization box 301 bottom and be equipped with gyro wheel 320, realize purifying the desulphurization unit position through the gyro wheel and can walk, make things convenient for the maintenance in later stage to overhaul.
The bottom of the inclined plate 308 is provided with a vibrator 309 which effectively collects the deposited micro-dust of the water bath alkali liquor and sends the deposited micro-dust into a drain pipe through vibration.
Alkali lye pond 304 upper portion is equipped with sprays the mechanism, spray the mechanism including spraying inlet 401, liquid storage pot 402, spray trunk line 403, fixing base 404, bleeder 405, liquid outlet 406, baffle cover 407, liquid storage pot 402 top is equipped with sprays inlet 401, spray inlet 401 and pass through the hose connection pump body, pump body suction alkali lye sprays liquid and gets into liquid storage pot 402, liquid storage pot 402 one side is equipped with a plurality of trunk lines 403 that spray, main line 403 that spray sets up between last baffle 302 and purification desulfurization box 301 through fixing base 404, main line 403 bottom that spray is equipped with a plurality of bleeder 405, be equipped with liquid outlet 406 on the bleeder 405, liquid outlet 406 upper portion is equipped with baffle cover 407, the liquid outlet is to the further desulfurization dust fall of the gas of water bath, the baffle cover disperses the alkali lye that sprays, the increase effect that sprays.
An industrial waste gas treatment device, the working process is as follows: the industrial waste gas under the high-temperature combustion contains a large amount of heat and large-particle dust, the waste gas enters the cyclone dust removal device through the air inlet, when dust is removed through the cyclone, circulating cooling water in the water tank exchanges heat with the high-temperature waste gas, waste heat is recycled, the high-temperature waste gas is converted into low-temperature waste gas, the low-temperature waste gas is gathered through the spiral flow deflectors, the large-particle dust is effectively collected, the dust is discharged through the first-level dust discharge device, the second-level dust discharge device discharges the dust, and the dust is collected and treated; waste gas after cyclone removes dust gets into the alkali lye pond through the intake pipe and carries out water bath dust removal, through the acid waste gas in the alkali lye neutralization waste gas, realize purifying and desulfurizing, gas behind the water bath alkali lye is through gathering the cover that flows, the induction pipe gets into the clean water basin and dilutes, the one-level defroster, the second grade defroster, tertiary defroster structure is unanimous, carry out the defogging through the gas of multilayer defroster after to purifying, gas after the final purification passes through the gas outlet and discharges.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims (5)

1. An industrial waste gas treatment device comprises a cyclone dust removal device, a pipeline I, an induced draft fan, a pipeline II and a purification and desulfurization device, and is characterized in that the cyclone dust removal device is connected with the induced draft fan through the pipeline I, the induced draft fan is connected with the purification and desulfurization device through the pipeline II, and the purification and desulfurization device is connected with a centrifugal fan through a pipeline;
the cyclone dust removal device comprises a cyclone dust removal box body, an air inlet, a spiral flow deflector, a middle through pipe, a filter screen, an air outlet, a primary dust discharge device, a secondary dust discharge device, supporting legs, a water tank, a water inlet and a water outlet, wherein the cyclone dust removal box body is a conical box body, the outer side wall of the bottom of the conical box body is provided with a plurality of supporting legs, the upper side wall of the cyclone dust removal box body is provided with the air inlet, the inner side wall of the cyclone dust removal box body is provided with the water tank, the water tank is arranged around the cyclone dust removal box body, the bottom of the water tank is provided with the water inlet, the top of the water tank is provided with the water outlet, the center of the cyclone dust removal box; the bottom of the cyclone dust removal box body is provided with a primary ash discharging device, and the bottom of the primary ash discharging device is provided with a secondary ash discharging device;
the purification and desulfurization device comprises a purification and desulfurization box body, an upper partition plate, a lower partition plate, an alkaline solution pool, a clean water pool, an air inlet pipe, a support, an inclined plate, a blow-off pipe, a flow gathering cover, an inlet pipe, a primary demister, a secondary demister, a tertiary demister, an air outlet, an alkaline solution injection port, a clean water injection port and a clean water discharge port, wherein the upper partition plate and the lower partition plate are arranged in the purification and desulfurization box body; the lower partition plate divides the bottom of the purifying and desulfurizing box body into an alkali liquor pool and a clean water pool, the lead-in pipe extends into the clean water pool, an alkali liquor filling opening is formed in the side wall of the upper part of the alkali liquor pool, a clean water filling opening is formed in the side wall of the upper part of the clean water pool, and a clean water placing opening is formed in the side wall of the lower part of the clean water; the upper part of the alkali liquor pool is provided with a support, the support is provided with an air inlet pipe, one end of the air inlet pipe extends into the alkali liquor, the other end of the air inlet pipe is communicated with a draught fan through a pipeline II, the bottom of the alkali liquor pool is provided with an inclined plate, and one side of the inclined plate is provided with a blow-off pipe; the side wall of the upper partition plate is provided with a first-stage demister, the upper part of the first-stage demister is provided with a second-stage demister, the upper part of the second-stage demister is provided with a third-stage demister, the side wall of the upper purifying and desulfurizing box body of the third-stage demister is provided with an air outlet, and the air outlet is connected with a centrifugal fan through a; the structures of the first-stage demister, the second-stage demister and the third-stage demister are consistent.
2. The industrial waste gas treatment device according to claim 1, wherein the primary ash discharging device and the secondary ash discharging device are identical in structure, the ash discharging device comprises an ash discharging plate, an ash discharging support, a rotating shaft and a hand wheel, the ash discharging plate is attached to the inner side wall of an ash outlet of the cyclone dust removal box body, a rubber layer is arranged outside the ash discharging plate, one end of the ash discharging plate is provided with the rotating shaft, the rotating shaft penetrates through the ash discharging support, the ash discharging support is arranged on the outer side wall of the cyclone dust removal box body, and the hand wheel is arranged at the other end of the rotating shaft.
3. The industrial waste gas treatment device according to claim 1, wherein the bottom of the purifying and desulfurizing box body is provided with rollers.
4. The industrial waste gas treatment device according to claim 1, wherein the swash plate is provided at a bottom thereof with a vibrator.
5. The industrial waste gas treatment device according to claim 1, wherein the upper portion of the lye pool is provided with a spraying mechanism, the spraying mechanism comprises a spraying inlet, a liquid storage tank, a spraying main pipeline, a fixing seat, branch pipes, a liquid outlet and a baffle cover, the top of the liquid storage tank is provided with the spraying inlet, the spraying inlet is connected with a pump body through a hose, the pump body pumps alkali liquor spraying liquid into the liquid storage tank, one side of the liquid storage tank is provided with a plurality of spraying main pipelines, the spraying main pipeline is arranged between an upper partition plate and a purification and desulfurization tank body through the fixing seat, the bottom of the spraying main pipeline is provided with a plurality of branch pipes, the branch pipes are provided.
CN201922009562.3U 2019-11-18 2019-11-18 Industrial waste gas treatment device Active CN211216039U (en)

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Application Number Priority Date Filing Date Title
CN201922009562.3U CN211216039U (en) 2019-11-18 2019-11-18 Industrial waste gas treatment device

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Application Number Priority Date Filing Date Title
CN201922009562.3U CN211216039U (en) 2019-11-18 2019-11-18 Industrial waste gas treatment device

Publications (1)

Publication Number Publication Date
CN211216039U true CN211216039U (en) 2020-08-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112452142A (en) * 2020-12-08 2021-03-09 倪霄杰 Desulfurization denitration dust removal integration reaction tower
CN113181753A (en) * 2021-04-23 2021-07-30 何静 Reaction unit for desulfurization

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112452142A (en) * 2020-12-08 2021-03-09 倪霄杰 Desulfurization denitration dust removal integration reaction tower
CN113181753A (en) * 2021-04-23 2021-07-30 何静 Reaction unit for desulfurization

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