CN102344836A - Coke oven coal gas purification apparatus - Google Patents
Coke oven coal gas purification apparatus Download PDFInfo
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- CN102344836A CN102344836A CN2011101440378A CN201110144037A CN102344836A CN 102344836 A CN102344836 A CN 102344836A CN 2011101440378 A CN2011101440378 A CN 2011101440378A CN 201110144037 A CN201110144037 A CN 201110144037A CN 102344836 A CN102344836 A CN 102344836A
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- decoking
- assembly
- coal gas
- coke
- dehydration
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Abstract
The invention discloses a coke oven coal gas purification apparatus, and relates to a coal gas purification apparatus. In the prior art, during the steelmaking producing process, the combustion nozzle of the continuous casting blank cutter and the valve sheet of the continuous casting coal gas pressuring station compressor are generally blocked due to tar and naphthalene carbon deposition, such that the frequencies of stop production and maintenance of the continuous casting coal gas pressuring station compressor and the continuous casting blank cutter are increased. According to the apparatus, a water bucket, a first-order dehydration and decoking assembly, a second-order decoking assembly and an upper cover sequentially form a sealed connection from the bottom to up. A lower end of the water bucket is provided with a water outlet. A side wall of the first-order dehydration and decoking assembly is sequentially provided with an unpurified coal gas inlet and a first manhole from the bottom to up. A side wall of the second-order decoking assembly is provided with a second manhole. The top end of the upper cover is provided with a purified coal gas outlet. The apparatus provided by the present invention is applicable for the users using the refined coal gas and the steelmaking production using the refined coal gas.
Description
Technical field
The present invention relates to a kind of gas cleaning device, belong to refining gas purification and steel-making support equipment technical field.
Background technology
In STEELMAKING PRODUCTION, the refining coal gas that continuous casting coal gas pressurizing point compressor, continuous-cast blank cutting unit use the coke-oven gas medium to purify.But a lot of enterprises gas purification poor effect, continuous-cast blank cutting unit burner and continuous casting coal gas pressurizing point compressor valve plate have increased continuous casting coal gas pressurizing point compressor and continuous-cast blank cutting unit stop production to overhaul frequency because tar and naphthalene carbon distribution often result in blockage.
Summary of the invention
The objective of the invention is in order to solve in STEELMAKING PRODUCTION; Continuous-cast blank cutting unit burner and continuous casting coal gas pressurizing point compressor valve plate are because tar and naphthalene carbon distribution; Often result in blockage; Increased the problem of continuous casting coal gas pressurizing point compressor and continuous-cast blank cutting unit stop production to overhaul frequency, and then a kind of coke oven gas purification device is provided.
The present invention addresses the above problem the technical scheme of taking to be: device according to the invention comprises water collecting bin, one-level dehydration decoking assembly, secondary decoking assembly and goes up cover; Said water collecting bin, one-level dehydration decoking assembly, secondary decoking assembly and last cover are tightly connected from the bottom to top successively; The lower end of water collecting bin is provided with water outlet; Be provided with successively from the bottom to top on the sidewall of one-level dehydration decoking assembly and do not purify the gas inlet and first manhole; The sidewall of secondary decoking assembly is provided with second manhole, and the top of last cover is provided with the purification gas exit.
The invention has the beneficial effects as follows: utilize coke oven gas purification device of the present invention that coal gas is purified, the coal gas after the purification is coal-tar middle oil to be reduced with content naphthalene greatly.Therefore coke oven gas purification device of the present invention has decontamination effect improving preferably, has avoided continuous-cast blank cutting unit burner and continuous casting coal gas pressurizing point compressor valve plate to stop up, and has reduced continuous casting coal gas pressurizing point compressor and continuous-cast blank cutting unit stop production to overhaul frequency.Contrast was as follows before and after tar in the coal gas, naphthalene etc. purified:
Before the purification: tar: 0.05g/m
3NH
3: 0.05g/m
3H
2S:0.2g/m
3Benzene: 4g/m
3Naphthalene: 0.3g/m
3
Purify the back: tar: 0.02g/m
3NH
3: 0.05g/m
3H
2S:0.1g/m
3Benzene: 4g/m
3Naphthalene: 0.1g/m
3
To sum up, refining plant of the present invention is simple in structure, less investment, easy to operate, decontamination effect improving is obvious, reduces the continuous casting installation for casting and the pressurization maintenance frequency, the filler simple economy is practical.
Description of drawings
Fig. 1 is a front view of the present invention, and Fig. 2 is the A-A sectional view of Fig. 1, and Fig. 3 is the B-B sectional view of Fig. 2, Fig. 4 front view that to be secondary decoking cylindrical shell, two second ring flanges be assembled together with the tube grate, and Fig. 5 is the C-C sectional view of Fig. 4.
Embodiment
Embodiment one: combine Fig. 1 explanation, the coke oven gas purification device of this embodiment comprises water collecting bin 1, one-level dehydration decoking assembly 2, secondary decoking assembly 3 and goes up cover 4; Said water collecting bin 1, one-level dehydration decoking assembly 2, secondary decoking assembly 3 and go up cover 4 and be tightly connected successively from the bottom to top; The lower end of water collecting bin 1 is provided with water outlet 1-1; Be provided with successively from the bottom to top on the sidewall of one-level dehydration decoking assembly 2 and do not purify the gas inlet 2-1 and the first manhole 2-2; The sidewall of secondary decoking assembly 3 is provided with the second manhole 3-1, on cover 4 top and be provided with and purify gas exit 4-1.
DETAILED DESCRIPTION way: with Figure 1 - Figure 3 shows, the present embodiment is a decoking dehydration dehydration assembly 2 comprises a cylindrical body 2-3 and level decoking swirler assembly; said first swirler assembly including two support plates 2-4, equally spaced multi-swirl plates 2-5 and two first flange 2-6; wherein a dewatering decoking each end of the cylinder 2-3 solid suit 2-6 has a first flange, a cylindrical dewatering 2-3 decoking the lower and upper ends of the solid with a support plate 2-4, 2-4, each support plate surface of the plate There are several through holes 2-7, equally spaced layers swirl plate disposed in a dehydrated 2-5 out of focus within the cylinder 2-3 2-4 between two supporting plates, multi-set of equally spaced swirl board 2-5 with two ends secured to the support plate 2-4, equally spaced set of multi-cyclone 2-5 with a 2-3 dehydration decoking coaxial cylinder, swirl board 2-5 for the arc-shaped plate, arc-shaped angle α of the center plate 270 °, equally spaced multi-swirl plate 2-5 2-8 tangential inlet opening of the same position, said unpurified gas import 2-1 and 2-2 are set to the first manhole decoking the primary dewatering the side wall of the cylinder 2-3, 2-1 of the unpurified gas import such spacing of the multilayer swirl plate 2 -5 tangential inlet 2-8 correspond to (gas tangentially into the multi-cyclone 2-5).Other is identical with embodiment one.
Embodiment three: combine Fig. 1 and Fig. 3 explanation, the height H 1=1800mm of the one-level dehydration decoking assembly 2 of this embodiment; The external diameter of one-level dehydration decoking cylindrical shell 2-3 is 1820 * 10mm.Design can be satisfied the gas purification requirement like this.Other is identical with embodiment one or two.
Embodiment four: combine Fig. 1, Fig. 4 and Fig. 5 explanation, the secondary decoking assembly 3 of this embodiment comprises secondary decoking cylindrical shell 3-2, tube grate 3-3, three coke charge carbon filling material Filtration Adsorption layer 3-4 and two second ring flange 3-5; Each is set with one second ring flange 3-5 admittedly the two ends of secondary decoking cylindrical shell 3-2; Lower end in the secondary decoking cylindrical shell 3-2 is fixed with a grate 3-3; Be provided with three coke charge carbon filling material Filtration Adsorption layer 3-4 from the bottom to top on the tube grate 3-3, the said second manhole 3-1 is arranged on the sidewall of secondary decoking cylindrical shell 3-2.Design like this, can guarantee the effect of adsorption cleaning, easy access is used.Other is identical with embodiment one.
Embodiment five: combine Fig. 1, Fig. 4 and Fig. 5 explanation, the tube grate 3-3 of this embodiment is equidistantly processed by many reinforcing bars, and the sidewall of the two ends of many reinforcing bars and secondary decoking cylindrical shell 3-2 is affixed.Other is identical with embodiment four.
Embodiment six: combine Fig. 1 explanation, the diameter that is positioned at the coke packing of lower floor among the three coke charge carbon filling material Filtration Adsorption layer 3-4 of this embodiment is 90～110mm; The diameter that is positioned at the coke packing in middle layer among the three coke charge carbon filling material Filtration Adsorption layer 3-4 is 40～60mm; The diameter of coke packing that is positioned at the upper strata among the three coke charge carbon filling material Filtration Adsorption layer 3-4 is less than 40～60mm.Design has absorption purifying effect preferably like this.Other is identical with embodiment four.
Embodiment seven: combine Fig. 1 and Fig. 4 explanation, the height H 2=1000mm of the secondary decoking assembly 3 of this embodiment; The external diameter of secondary decoking cylindrical shell 3-2 is 1820 * 10mm.Design can be satisfied the gas purification requirement like this.Other and embodiment four or six phase with.
Working process: low pressure coke-oven gas (not purifying coal gas) is through in the space of eddy flow plate that does not purify gas inlet and tangentially get into the multilayer spaced set; Do not purify the moisture content that contains in the coal gas and flow in the water collecting bin, and the water outlet on water collecting bin flow in the water seal tank through several through holes on the back up pad; Do not purify the filtration, purification that impurity is spent eddy flow plates and three coke charge carbon filling material Filtration Adsorption layers through multilayer 270 in the coal gas; The tar and the naphthalene that do not purify the overwhelming majority that contains in the coal gas are filtered out, make that the coal gas after purifying enters into gaspipe line from purifying gas exit.
The maximum coal gas processing power of coke oven gas purification device of the present invention: 3000Nm3/h; Maximum differential pressure: 0.6KPa (changing sorbing material when surpassing this pressure reduction); Coal gas under go out on advancing;
The impurity that purifies is deposited and handled: (1) is set up water seal tank and is stored the double water seal usefulness of doing of impurity of filtering, water seal tank specification: 2000 * 3000 * 3000; (2) regularly draw water and remove the impurity of alluvial at the bottom of the pond.
Claims (7)
1. coke oven gas purification device is characterized in that: said device comprises water collecting bin (1), one-level dehydration decoking assembly (2), secondary decoking assembly (3) and last cover (4); Said water collecting bin (1), one-level dehydration decoking assembly (2), secondary decoking assembly (3) and last cover (4) are tightly connected from the bottom to top successively; The lower end of water collecting bin (1) is provided with water outlet (1-1); Be provided with successively from the bottom to top on the sidewall of one-level dehydration decoking assembly (2) and do not purify gas inlet (2-1) and first manhole (2-2); The sidewall of secondary decoking assembly (3) is provided with second manhole (3-1), and the top of last cover (4) is provided with and purifies gas exit (4-1).
(2) as claimed in claim 1, wherein the coke oven gas purification apparatus, characterized in that: said first decoking dehydration unit (2) comprises a cylindrical dewatering decoking (2-3) and primary swirler assembly; said first swirler assembly comprises two support plates (2-4), such spacing of the multi-cyclone (2-5) and the two first flanges (2-6); said first Dehydration decoking cylinder (2-3) at each end of a first solid suit flange (2-6), a dehydration decoking cylinder (2-3) within the lower and upper ends of the solid with a support plate (2-4), each support plate (2-4) of the entire plate surface provided with a plurality of through holes (2-7), such spacing of the multi-cyclone (2-5) is provided in decoking dehydration level cylinder (2-3) within the two support plates (2-4), with such multi-cyclone spacing plate (2-5) and the two ends of the support plate (2 -4) fixedly connected, multi-cyclone equally spaced plates (2-5) with a dehydrating decoking cylinder (2-3) disposed coaxially, swirl plate (2-5) in an arc-shaped plate , arc-shaped angle α of the center plate 270 °, equally spaced multi-swirl plate (2-5) the tangential inlet (2-8) the same position as the opening of said unpurified gas import (2 - 1) and a first manhole (2-2) are set at the level decoking dewatering cylinder (2-3) on the side wall of said unpurified gas inlet (2-1) of the multilayer equally spaced cyclone (2-5) the tangential inlet (2-8) correspond.
3. coke oven gas purification device according to claim 1 and 2 is characterized in that: the height H 1=1800mm of said one-level dehydration decoking assembly (2); The external diameter of one-level dehydration decoking cylindrical shell (2-3) is 1820 * 10mm.
4. coke oven gas purification device according to claim 1 is characterized in that: said secondary decoking assembly (3) comprises secondary decoking cylindrical shell (3-2), tube grate (3-3), three coke charge carbon filling material Filtration Adsorption layers (3-4) and two second ring flanges (3-5); Each is set with one second ring flange (3-5) admittedly the two ends of secondary decoking cylindrical shell (3-2); Lower end in the secondary decoking cylindrical shell (3-2) is fixed with a grate (3-3); Be provided with three coke charge carbon filling material Filtration Adsorption layers (3-4) from the bottom to top on the tube grate (3-3), said second manhole (3-1) is arranged on the sidewall of secondary decoking cylindrical shell (3-2).
5. coke oven gas purification device according to claim 4 is characterized in that: said tube grate (3-3) is equidistantly processed by many reinforcing bars, and the sidewall of the two ends of many reinforcing bars and secondary decoking cylindrical shell (3-2) is affixed.
6. coke oven gas purification device according to claim 4 is characterized in that: the diameter that is positioned at the coke packing of lower floor in the said three coke charge carbon filling material Filtration Adsorption layers (3-4) is 90～110mm; The diameter that is positioned at the coke packing in middle layer in the three coke charge carbon filling material Filtration Adsorption layers (3-4) is 40～60mm; The diameter of coke packing that is positioned at the upper strata in the three coke charge carbon filling material Filtration Adsorption layers (3-4) is less than 40～60mm.
7. according to claim 4 or 6 described coke oven gas purification devices, it is characterized in that: the height H 2=1000mm of said secondary decoking assembly (3); The external diameter of secondary decoking cylindrical shell (3-2) is 1820 * 10mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101440378A CN102344836A (en) | 2011-05-31 | 2011-05-31 | Coke oven coal gas purification apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101440378A CN102344836A (en) | 2011-05-31 | 2011-05-31 | Coke oven coal gas purification apparatus |
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| CN102344836A true CN102344836A (en) | 2012-02-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031693A (en) * | 2014-05-21 | 2014-09-10 | 梁鹏 | Integrated device and process for carrying out desulfurization, dust removal and modification on coal-pyrolyzed gas |
| CN106010671A (en) * | 2016-06-29 | 2016-10-12 | 华中农业大学 | Intensive biomass pyrolysis gasification fuel gas purifying device |
| CN108176183A (en) * | 2018-02-28 | 2018-06-19 | 中国华能集团清洁能源技术研究院有限公司 | A kind of band devokes the tar filter and its method of work of eddy flow stator blade in advance |
| CN108531225A (en) * | 2018-05-09 | 2018-09-14 | 广州华科环保工程有限公司 | A kind of ceramic industry is from water gas deep desulfuration degreasing unit and technique |
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| CN201046956Y (en) * | 2007-04-23 | 2008-04-16 | 济南海鹰机电制造有限公司 | Blast furnace gas mist catching separator |
| CN201211452Y (en) * | 2008-06-30 | 2009-03-25 | 李昌德 | Novel rotational flow dehydrater |
| CN201390735Y (en) * | 2009-04-29 | 2010-01-27 | 宝钢集团新疆八一钢铁有限公司 | Coke oven gas purifier |
| CN202099255U (en) * | 2011-05-31 | 2012-01-04 | 黑龙江建龙钢铁有限公司 | Coke oven gas cleaning device |
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2011
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Patent Citations (4)
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| CN201046956Y (en) * | 2007-04-23 | 2008-04-16 | 济南海鹰机电制造有限公司 | Blast furnace gas mist catching separator |
| CN201211452Y (en) * | 2008-06-30 | 2009-03-25 | 李昌德 | Novel rotational flow dehydrater |
| CN201390735Y (en) * | 2009-04-29 | 2010-01-27 | 宝钢集团新疆八一钢铁有限公司 | Coke oven gas purifier |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031693A (en) * | 2014-05-21 | 2014-09-10 | 梁鹏 | Integrated device and process for carrying out desulfurization, dust removal and modification on coal-pyrolyzed gas |
| CN104031693B (en) * | 2014-05-21 | 2015-11-18 | 梁鹏 | Pyrolysis of coal gas sweetening, dedusting, upgrading integrated apparatus and technique |
| CN106010671A (en) * | 2016-06-29 | 2016-10-12 | 华中农业大学 | Intensive biomass pyrolysis gasification fuel gas purifying device |
| CN106010671B (en) * | 2016-06-29 | 2021-07-30 | 华中农业大学 | Intensive biomass pyrolysis gasification gas purification device |
| CN108176183A (en) * | 2018-02-28 | 2018-06-19 | 中国华能集团清洁能源技术研究院有限公司 | A kind of band devokes the tar filter and its method of work of eddy flow stator blade in advance |
| CN108176183B (en) * | 2018-02-28 | 2023-07-14 | 中国华能集团清洁能源技术研究院有限公司 | Tar filter with pre-decoking cyclone air guide plate and working method thereof |
| CN108531225A (en) * | 2018-05-09 | 2018-09-14 | 广州华科环保工程有限公司 | A kind of ceramic industry is from water gas deep desulfuration degreasing unit and technique |
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Application publication date: 20120208 |