CN102352422B - Evaporative cooling tower for dry method convertor gas dedusting - Google Patents
Evaporative cooling tower for dry method convertor gas dedusting Download PDFInfo
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- CN102352422B CN102352422B CN 201110338333 CN201110338333A CN102352422B CN 102352422 B CN102352422 B CN 102352422B CN 201110338333 CN201110338333 CN 201110338333 CN 201110338333 A CN201110338333 A CN 201110338333A CN 102352422 B CN102352422 B CN 102352422B
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Abstract
The invention relates to an evaporative cooling tower for dry method convertor gas dedusting. The evaporative cooling tower is characterized in that the tower comprises a double-flow spray gun device, a nonmetal compensator, a limiting support, an evaporative cooling tower barrel, a fixed support and an outlet flue gas pipe, wherein the inlet of the nonmetal compensator is connected with the outlet of a gasification cooling flue used for delivering high temperature flue gas, the double-flow spray gun device used for cooling the flue gas is arranged at the tail end of the gasification cooling flue; the outlet of the nonmetal compensator is connected with the inlet of the evaporative cooling tower barrel; and the outer wall of the upper part of the evaporative cooling tower barrel is provided with the limiting support, the outer wall of the lower part of the evaporative cooling tower barrel is provided with the fixed support, the lower part of the evaporative cooling tower barrel is a cone, the side flue gas outlet of the cone is connected with the outlet flue gas pipe, and the bottom of the cone is provided with a dust removing hole. By adopting the evaporative cooling tower, the high temperature flue gas can be cooled to 250 DEG C from 900 DEG C and 40% of the total dust in the flue gas can be removed.
Description
Technical field
The present invention relates to the wet cooling tower that a kind of dry dedusting of converter is used.
Background technology
In the converter gas dry-dedusting system, need at first 900 ℃ high-temperature flue gas cooled off and modifiedly be cooled to 250 ℃, the equipment that wet cooling tower needs just, can realize cooling high-temperature fume by the mode that consumes a small amount of water coolant, and its internal drag is less, has reduced the service rating of blower fan.
Summary of the invention
The wet cooling tower that the object of the present invention is to provide a kind of dry dedusting of converter to use, this wet cooling tower have the effective characteristics of dust of removing in the flue gas.
To achieve these goals, technical scheme of the present invention is: the wet cooling tower that a kind of dry dedusting of converter is used is characterized in that it comprises double-flow spray gun device, non-metal compensator, spacing bearing, wet cooling tower cylindrical shell, stationary bearing, outlet flue; The entrance of non-metal compensator links to each other with outlet for delivery of the gasification cooling stack of high-temperature flue gas, the double-flow spray gun device that is used for the flue gas cool-down cooling is located at the afterbody of gasification cooling stack, and the spray gun of double-flow spray gun device is positioned at the gasification cooling stack also along gasification cooling stack circumference uniform distribution; Non-metal compensator is positioned at the top of wet cooling tower cylindrical shell, and the outlet of non-metal compensator links to each other with the entrance of wet cooling tower cylindrical shell; The external wall of upper portion of wet cooling tower cylindrical shell is provided with spacing bearing, the bottom outer wall of wet cooling tower cylindrical shell is provided with stationary bearing, the bottom of wet cooling tower cylindrical shell is cone, and the side exhanst gas outlet of cone links to each other with the outlet flue, and the bottom of cone is provided with cinder-discharging port.
Be furnished with inspection platform, vision slit and manhole on the described wet cooling tower cylindrical shell.
The present invention has following beneficial effect: use this wet cooling tower, adopt the transpiration cooling heat exchange of direct contact type, can make by the transpiration-cooled mode that consumes a small amount of water coolant the high-temperature flue gas of 900 ℃ of entrances be cooled to 250 ℃; By the Airflow Pattern Designing of bottom cone, the dust in the flue gas can be removed in the flue gas 40% of total dust content by the mode of gravity and centrifugal force, have the effective characteristics of dust of removing in the flue gas.
Description of drawings
Fig. 1 is structural representation of the present invention;
Among the figure: the 1-cooling stack that gasifies, 2-double-flow spray gun device (or claiming two-fluid spray gun, twin spray gun), the 3-non-metal compensator, 4-vision slit, 5-inspection platform, the 6-manhole, the spacing bearing of 7-, 8-wet cooling tower cylindrical shell, 9-stationary bearing, 10-exports flue, 11-cinder-discharging port.(cooling stack 1 that wherein gasifies is not included in the wet cooling tower)
Embodiment
In order to understand better the present invention, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.
As shown in Figure 1, the wet cooling tower that a kind of dry dedusting of converter is used, it comprises double-flow spray gun device 2, non-metal compensator 3, vision slit 4, inspection platform 5, manhole 6, spacing bearing 7, wet cooling tower cylindrical shell 8, stationary bearing 9, outlet flue 10, cinder-discharging port 11; The entrance of non-metal compensator 3 links to each other with outlet for delivery of the gasification cooling stack 1 of high-temperature flue gas, the double-flow spray gun device 2 that is used for the flue gas cool-down cooling is located at the afterbody (being outlet end) of gasification cooling stack 1, the spray gun of double-flow spray gun device 2 (nozzle) is arranged in gasification cooling stack 1 and edge gasification cooling stack circumference uniform distribution (spray gun quantity is determined by the heat content of handled flue gas, generally adopts 2-12); Non-metal compensator 3 is positioned at the top of wet cooling tower cylindrical shell 8, the outlet of non-metal compensator 3 link to each other with the entrance of wet cooling tower cylindrical shell 8 (non-metal compensator 3 heatproofs require be 600 ℃); Flue gas flow rate in the wet cooling tower cylindrical shell 8 is controlled at 4.5～5.5m/s, and the residence time of flue gas in wet cooling tower cylindrical shell 8 is no less than 5s; Be furnished with inspection platform 5, vision slit 4 and manhole 6 (determining the number of plies that manhole arranges according to the cylindrical shell height) on the wet cooling tower cylindrical shell 8; The top material of wet cooling tower cylindrical shell 8 and bottom material heatproof require to be respectively 600 ℃ and 300 ℃ (boundary position, top and the bottom is distributed definite by barrel temperature); The external wall of upper portion of wet cooling tower cylindrical shell 8 is provided with spacing bearing 7, the bottom outer wall of wet cooling tower cylindrical shell 8 is provided with stationary bearing 9 (spacing bearing 7 and stationary bearing 9 are used for fixed installation wet cooling tower cylindrical shell 8), the bottom of wet cooling tower cylindrical shell 8 is cone (bottom of wet cooling tower cylindrical shell 8 is the osculum end), the side exhanst gas outlet of cone links to each other with outlet flue 10, and (flow rate control in the outlet flue 10 is 20～25m/s), and the bottom of cone is provided with cinder-discharging port 11 (remove the dust that gets off by centrifugal force and gravity mode in the cone and drop down onto the cinder storehouse through cinder-discharging port 11).
Above-mentioned wet cooling tower is used for dry dedusting of converter, can make the high-temperature flue gas of 900 ℃ of entrances be cooled to 250 ℃; Dust in the flue gas can be removed in the flue gas 40% of total dust content by the mode of gravity and centrifugal force.
Claims (2)
1. the wet cooling tower that dry dedusting of converter is used is characterized in that it comprises double-flow spray gun device (2), non-metal compensator (3), spacing bearing (7), wet cooling tower cylindrical shell (8), stationary bearing (9), outlet flue (10); The entrance of non-metal compensator (3) links to each other with outlet for delivery of the gasification cooling stack (1) of high-temperature flue gas, the double-flow spray gun device (2) that is used for the flue gas cool-down cooling is located at the afterbody of gasification cooling stack (1), and the spray gun of double-flow spray gun device (2) is positioned at gasification cooling stack (1) also along gasification cooling stack circumference uniform distribution; Non-metal compensator (3) is positioned at the top of wet cooling tower cylindrical shell (8), and the outlet of non-metal compensator (3) links to each other with the entrance of wet cooling tower cylindrical shell (8); The external wall of upper portion of wet cooling tower cylindrical shell (8) is provided with spacing bearing (7), the bottom outer wall of wet cooling tower cylindrical shell (8) is provided with stationary bearing (9), the bottom of wet cooling tower cylindrical shell (8) is cone, the side exhanst gas outlet of cone links to each other with outlet flue (10), and the bottom of cone is provided with cinder-discharging port (11).
2. the wet cooling tower used of a kind of dry dedusting of converter according to claim 1 is characterized in that: be furnished with inspection platform (5), vision slit (4) and manhole (6) on the described wet cooling tower cylindrical shell (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110338333 CN102352422B (en) | 2011-10-31 | 2011-10-31 | Evaporative cooling tower for dry method convertor gas dedusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110338333 CN102352422B (en) | 2011-10-31 | 2011-10-31 | Evaporative cooling tower for dry method convertor gas dedusting |
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| Publication Number | Publication Date |
|---|---|
| CN102352422A CN102352422A (en) | 2012-02-15 |
| CN102352422B true CN102352422B (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110338333 Active CN102352422B (en) | 2011-10-31 | 2011-10-31 | Evaporative cooling tower for dry method convertor gas dedusting |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787205A (en) * | 2012-07-19 | 2012-11-21 | 中冶南方工程技术有限公司 | Adjusting device and method for injection flow rate of evaporative cooling tower during dry converter dedusting |
| CN102776315B (en) * | 2012-08-17 | 2014-04-23 | 中冶南方工程技术有限公司 | Evaporative cooling tower and process for dry dedusting of converter gas |
| CN104060026A (en) * | 2013-03-21 | 2014-09-24 | 宝山钢铁股份有限公司 | Flue gas cooling device used for dedusting in converter |
| CN103451356A (en) * | 2013-08-26 | 2013-12-18 | 中冶华天工程技术有限公司 | Coarse dust-removal device for dry dust removal for converter |
| CN104894331A (en) * | 2015-06-30 | 2015-09-09 | 中冶南方工程技术有限公司 | Anti-scaling evaporation cooling equipment for primary dry dedusting of converter |
| CN105063273B (en) * | 2015-09-04 | 2017-11-21 | 江苏博际喷雾系统有限公司 | A kind of flue gas low energy consumption semidry method dust pelletizing system of converter |
| CN106731343A (en) * | 2015-11-24 | 2017-05-31 | 北京博鹏北科科技有限公司 | A kind of efficient spray evaporates cooling purifying device and its application method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793661Y (en) * | 2005-04-04 | 2006-07-05 | 中国京冶建设工程承包公司 | Evaporative cooling tower |
| CN101550466A (en) * | 2008-03-31 | 2009-10-07 | 上海宝钢工程技术有限公司 | Converter coal gas high-temperature bag-type dust removing system |
| CN201176445Y (en) * | 2008-04-10 | 2009-01-07 | 上海宝钢工程技术有限公司 | Converter coal gas high-temperature exhaust dust device with bag |
| CN202297654U (en) * | 2011-10-31 | 2012-07-04 | 中冶南方工程技术有限公司 | Wet cooling tower for dedusting gas of converter by dry method |
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| CN102352422A (en) | 2012-02-15 |
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