CN211659624U - Ground comprehensive dust removal system for coke oven flue gas - Google Patents
Ground comprehensive dust removal system for coke oven flue gas Download PDFInfo
- Publication number
- CN211659624U CN211659624U CN202020038351.2U CN202020038351U CN211659624U CN 211659624 U CN211659624 U CN 211659624U CN 202020038351 U CN202020038351 U CN 202020038351U CN 211659624 U CN211659624 U CN 211659624U
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- Prior art keywords
- dust
- flue gas
- dust collector
- dust remover
- pipe
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- 239000000428 dust Substances 0.000 title claims abstract description 171
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000003546 flue gas Substances 0.000 title claims abstract description 40
- 239000000571 coke Substances 0.000 title claims abstract description 13
- 241001233242 Lontra Species 0.000 claims abstract description 6
- 239000000779 smoke Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005453 pelletization Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a coke oven flue gas ground synthesizes dust pelletizing system, including the one-level dust remover, second grade dust remover and tertiary dust remover, the one-level dust remover is cyclone, the inside slope of second grade dust remover is provided with the filtration sack, be provided with the filter chamber on the second grade dust remover lateral wall of filtration sack highest point below, the vertical interval in inside of filter chamber is provided with the polylith otter board, the otter board is including the baffle and the filter screen of connecting, staggered arrangement about the baffle of two adjacent otter boards and the filter screen, tertiary dust remover is wet dust remover, wet dust remover's flue gas input passes through the conveyer pipe and feeds through with the outlet flue. The utility model discloses a mode that combines futilely wets, the dust removal advantage of the various dust removers of set effectively gets rid of dust and harmful components in the flue gas, and the system operation is stable, and dust collection efficiency is high, and dust removal effect is good, easily popularizes and applies, has apparent economic value and social value.
Description
Technical Field
The utility model relates to a coking dust removal equipment technical field, concretely relates to coke oven flue gas ground synthesizes dust pelletizing system.
Background
The coke oven can emit black smoke at the positions of the oven door and the oven head when the coal material is additionally installed, secondly, a large amount of smoke can be generated when the coal material is combusted, the black smoke and the smoke contain a large amount of dust, benzene soluble substances, benzopyrene and other toxic and harmful substances, not only can seriously pollute the atmosphere after being discharged, but also can threaten the health of operators in a polluted area, in order to avoid the situation, the dust removal and purification treatment is needed before the smoke is discharged to the atmosphere, at present, the domestic treatment on the coking smoke is mainly realized by adopting a large ground dust removal station to achieve the purification and dust removal, and the smoke is discharged after reaching the standard.
The main structure of the existing ground dust removal station is that a movable smoke dust collecting device is arranged on a furnace top and a coke guide, then the smoke dust is sent to large dust removal equipment arranged on the ground through a fixed dust collecting main pipe to be subjected to dust removal and purification treatment, wherein the dust removal equipment is mostly a bag type dust remover with a middle flue dust hopper air inlet structure form. Therefore, the development of the comprehensive ground dust removal system for the coke oven flue gas, which has the advantages of stable operation, high dust removal efficiency and good dust removal effect, is objectively needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coke oven flue gas ground comprehensive dust removal system that operation is stable, and dust collection efficiency is high, and dust removal effect is good.
The utility model aims at realizing the purposes, the utility model comprises a primary dust collector, a secondary dust collector and a tertiary dust collector, wherein the primary dust collector is a cyclone dust collector, a smoke inlet pipe is arranged on the side wall of the upper part of the cyclone dust collector, a central smoke outlet pipe is arranged at the top part of the cyclone dust collector, a first dust outlet pipe is arranged at the bottom part of the cyclone dust collector, a filtering cloth bag is obliquely arranged in the secondary dust collector, a third dust outlet pipe is arranged at the bottom part of the secondary dust collector, a smoke outlet is arranged on the secondary dust collector above the filtering cloth bag, a filtering cavity is arranged on the secondary dust collector below the highest part of the filtering cloth bag, one side of the filtering cavity is communicated with the central smoke outlet pipe, a plurality of net plates are arranged in the filtering cavity at vertical intervals, the filtering cavity is divided into a plurality of filtering cavities by the net plates, a second dust outlet pipe is arranged at the bottom part of each filtering cavity, the net, the third-stage dust remover is a wet dust remover, and the smoke input end of the wet dust remover is communicated with the smoke outlet through a conveying pipe.
Furthermore, a vibrator is arranged on the screen plate.
Furthermore, a spiral material conveying machine is arranged below the first-stage dust remover and the second-stage dust remover, and the discharge ends of the first dust exhaust pipe, the second dust exhaust pipe and the third dust exhaust pipe are communicated with the spiral material conveying machine.
Further, the inside from the bottom up of tertiary dust remover has set gradually granule thing layer, adsorbed layer and spraying mechanism, and the granule thing in situ is provided with the gas uniform ware, and gas uniform ware and conveyer pipe intercommunication, the bottom of tertiary dust remover are the pond, and the bottom in pond is provided with the drain, and the top of tertiary dust remover is provided with the gas vent.
Furthermore, a communicating pipe is arranged on the outer side of the three-stage dust remover, one end of the communicating pipe is communicated with the spraying mechanism, and the other end of the communicating pipe is communicated with the upper part of the water pool.
The utility model discloses at first use the high-efficient large granule dust of getting rid of in the flue gas of cyclone, let in the flue gas in the second grade dust remover afterwards, the second grade dust remover is the dry-type dust removal, the flue gas enters into the filter chamber earlier, under blocking of otter board, the flue gas comes and goes from top to bottom and flows, and at the in-process through the filter screen, get rid of the part dust in the flue gas, then the flue gas is through the filtration dust removal back that filters the sack, most back flue gas gets into among the tertiary dust remover, after wet dedusting, when the flue gas temperature reduces, detach surplus dust and the part harmful gas in the flue gas, guarantee that the flue gas that discharges in the atmosphere accords with the national emission regulation. The utility model discloses the operation is stable, and dust collection efficiency is high, and dust removal effect is good, has apparent economic value and social value.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a first-stage dust remover, 2-a second-stage dust remover, 3-a third-stage dust remover, 4-a smoke inlet pipe, 5-a central smoke outlet pipe, 6-a first dust exhaust pipe, 7-a filtering cloth bag, 8-a filtering cavity, 9-a communicating pipe, 10-a partition plate, 11-a filter screen, 12-a second dust exhaust pipe, 13-a third dust exhaust pipe, 14-an exhaust port, 15-a smoke outlet, 16-a conveying pipe, 17-a sewage outlet, 18-a vibrator, 19-a spiral material conveyor, 20-a particle layer, 21-an adsorption layer, 22-a spraying mechanism, 23-a gas equalizer and 24-a water tank.
Detailed Description
The following further describes the present invention with reference to the attached drawings, but the present invention is not limited in any way, and any changes or improvements based on the teaching of the present invention all belong to the protection scope of the present invention.
As shown in figure 1, the utility model comprises a primary dust collector 1, a secondary dust collector 2 and a tertiary dust collector 3, wherein the primary dust collector 1 is a cyclone dust collector, a smoke inlet pipe 4 is arranged on the side wall of the upper part of the cyclone dust collector, a central smoke outlet pipe 5 is arranged at the top part of the cyclone dust collector, a first dust outlet pipe 6 is arranged at the bottom part of the cyclone dust collector, a filter cloth bag 7 is obliquely arranged in the secondary dust collector 2, a third dust outlet pipe 13 is arranged at the bottom part of the secondary dust collector 2, a smoke outlet 15 is arranged on the secondary dust collector 2 above the filter cloth bag 7, a filter cavity 8 is arranged on the secondary dust collector 2 below the highest part of the filter cloth bag 7, one side of the filter cavity 8 is communicated with the central smoke outlet pipe 5, a plurality of screen plates are arranged in the filter cavity 8 at vertical intervals, the screen plates divide the filter cavity 8 into a plurality of filter chambers, a second dust outlet pipe 12 is arranged at the, the partition boards 10 and the filter screens 11 of two adjacent net boards are arranged in a vertically staggered manner, the three-stage dust remover 3 is a wet dust remover, and the smoke input end of the wet dust remover is communicated with the smoke outlet 15 through a conveying pipe 16.
The screen plate is provided with the vibrator 18, dust can be gathered in the meshes of the filter screen 11 in the using process of the screen plate, the time is long, part of the meshes can be blocked, the passing efficiency of smoke is reduced, the passing amount of the smoke is reduced, the dust gathered on the filter screen 11 can be vibrated down by the vibrator 18, and the long-term effective dust blocking effect of the filter screen 11 is kept.
The below of one-level dust remover 1 and second grade dust remover 2 is provided with screw feeder 19, first dust exhaust pipe 6, the discharge end of second dust exhaust pipe 12 and third dust exhaust pipe 13 all is connected with screw feeder 19's pan feeding mouth, one-level dust remover 1 and second grade dust remover 2 are in the dust removal process, the dry dust of production drifts down, respectively from first dust exhaust pipe 6, discharge of second dust exhaust pipe 12 and third dust exhaust pipe 13, fall into screw feeder 19, utilize screw feeder 19 to carry these dusts in unison, the concentration and the transportation to the dust have been made things convenient for.
The inside of the three-stage dust collector 3 is sequentially provided with a particle layer 20, an adsorption layer 21 and a spraying mechanism 22 from bottom to top, the particle layer 20 is internally provided with a gas equalizer 23, the gas equalizer 23 is communicated with a conveying pipe 16, a water tank 24 is arranged below the particle layer 20, the bottom of the water tank 24 is provided with a sewage discharge port 17, the top of the three-stage dust collector 3 is provided with an exhaust port 14, flue gas enters the particle layer 20 after being uniformly dispersed by the gas equalizer 23, the water content in the particle layer 20 is high, fine dust in the flue gas is remained in the particle layer 20, and the rest of the flue gas leaves the particle layer 20 Peculiar smell and toxic and harmful components, and finally the flue gas is purified by the atomizing mechanism 22 and then is discharged.
The outside of the third-stage dust remover 23 is provided with a communicating pipe 9, one end of the communicating pipe 9 is communicated with the spraying mechanism 22, and the other end is communicated with the upper part of the water pool 24, so that the water in the water pool 24 can be recycled, water resources are saved, meanwhile, other liquid capable of adsorbing or neutralizing harmful components in the flue gas can be added into the water pool 24, and harmful components such as sulfur-containing substances, nitrogen-containing substances and the like in the flue gas are removed.
The utility model discloses a dust removal process does: the flue gas enters the primary dust collector 1 from the flue gas inlet pipe 4, the primary dust collector 1 can efficiently remove large particle dust in the flue gas, then the flue gas enters the filter cavity 8, under the baffling action of the screen plate, the flue gas flows back and forth in the filter cavity 8 up and down, after being filtered by the filter screen 11, on one hand, part of dust is filtered, the falling dust is discharged from the second dust discharge pipe 12, on the other hand, the flue gas passes through the filter screen 11, the flue gas is uniformly dispersed, the dust of the filter cloth bag 7 is favorably filtered, after passing through the filter cloth bag 7, small particle dust in the flue gas is removed, the flue gas after being subjected to cloth bag dust removal finally enters the tertiary dust collector 3, the dust and harmful components in the flue gas are further removed in the tertiary dust collector 3 through wet dust removal, in the dust removal process, the primary dust collector 1 and the secondary dust collector 2 are subjected to dry dust removal, and the generated dust falls into the spiral, the dust in the three-stage dust collector 3 falls into the water tank 24 along with water drops, sludge is precipitated in the water tank 24 to form sludge, and finally the sludge is collected and treated uniformly.
Claims (5)
1. The ground comprehensive dust removal system for the coke oven flue gas is characterized in that: the dust collector comprises a primary dust collector (1), a secondary dust collector (2) and a tertiary dust collector (3), wherein the primary dust collector (1) is a cyclone dust collector, a smoke inlet pipe (4) is arranged on the side wall of the upper part of the cyclone dust collector, a central smoke outlet pipe (5) is arranged at the top of the cyclone dust collector, a first dust outlet pipe (6) is arranged at the bottom of the cyclone dust collector, a filter cloth bag (7) is obliquely arranged in the secondary dust collector (2), a third dust outlet pipe (13) is arranged at the bottom of the secondary dust collector (2), a smoke outlet (15) is arranged on the secondary dust collector (2) above the filter cloth bag (7), a filter cavity (8) is arranged on the secondary dust collector (2) below the highest part of the filter cloth bag (7), one side of the filter cavity (8) is communicated with the central smoke outlet pipe (5), a plurality of screen plates are vertically arranged in the filter cavity (8) at intervals, and divide the filter cavity, the bottom of every filter chamber all is provided with second dust exhaust pipe (12), the otter board is including baffle (10) and filter screen (11) of connecting, and baffle (10) and the filter screen (11) of two adjacent otter boards are crisscross from top to bottom to be arranged, tertiary dust remover (3) are wet dust collector, and wet dust collector's flue gas input passes through conveyer pipe (16) and outlet flue (15) intercommunication.
2. The coke oven flue gas ground comprehensive dust removal system of claim 1, which is characterized in that: the screen plate is provided with a vibrator (18).
3. The coke oven flue gas ground comprehensive dust removal system of claim 1, which is characterized in that: and a spiral material conveying machine (19) is arranged below the primary dust remover (1) and the secondary dust remover (2), and the discharge ends of the first dust exhaust pipe (6), the second dust exhaust pipe (12) and the third dust exhaust pipe (13) are communicated with the spiral material conveying machine (19).
4. The coke oven flue gas ground comprehensive dust removal system of claim 1, which is characterized in that: the inside from the bottom up of tertiary dust remover (3) has set gradually granule thing layer (20), adsorbed layer (21) and spraying mechanism (22), is provided with gas equalizer (23) in granule thing layer (20), and gas equalizer (23) and conveyer pipe (16) end intercommunication of giving vent to anger are provided with pond (24) in the below of granule thing layer (20), and the bottom of pond (24) is provided with drain (17), and the top of tertiary dust remover (3) is provided with gas vent (14).
5. The coke oven flue gas ground comprehensive dust removal system of claim 4, wherein: and a communicating pipe (9) is arranged on the outer side of the three-stage dust remover (3), one end of the communicating pipe (9) is communicated with the spraying mechanism (22), and the other end of the communicating pipe is communicated with the upper part of the water pool (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020038351.2U CN211659624U (en) | 2020-01-09 | 2020-01-09 | Ground comprehensive dust removal system for coke oven flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020038351.2U CN211659624U (en) | 2020-01-09 | 2020-01-09 | Ground comprehensive dust removal system for coke oven flue gas |
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| Publication Number | Publication Date |
|---|---|
| CN211659624U true CN211659624U (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020038351.2U Active CN211659624U (en) | 2020-01-09 | 2020-01-09 | Ground comprehensive dust removal system for coke oven flue gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502652A (en) * | 2020-11-18 | 2021-03-16 | 南京琮楷科技有限公司 | Dust falling device used in gas drilling |
| CN112973296A (en) * | 2021-03-24 | 2021-06-18 | 单西芳 | Dust collecting equipment with filter high rigidity raise dust |
| CN113368633A (en) * | 2021-05-24 | 2021-09-10 | 剡宁 | Coke oven flue gas treatment system |
-
2020
- 2020-01-09 CN CN202020038351.2U patent/CN211659624U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502652A (en) * | 2020-11-18 | 2021-03-16 | 南京琮楷科技有限公司 | Dust falling device used in gas drilling |
| CN112973296A (en) * | 2021-03-24 | 2021-06-18 | 单西芳 | Dust collecting equipment with filter high rigidity raise dust |
| CN113368633A (en) * | 2021-05-24 | 2021-09-10 | 剡宁 | Coke oven flue gas treatment system |
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