CN104017933A - Atomization cooling venture tube for primary smoke of converter and application method of venture tube - Google Patents
Atomization cooling venture tube for primary smoke of converter and application method of venture tube Download PDFInfo
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- CN104017933A CN104017933A CN201410257179.9A CN201410257179A CN104017933A CN 104017933 A CN104017933 A CN 104017933A CN 201410257179 A CN201410257179 A CN 201410257179A CN 104017933 A CN104017933 A CN 104017933A
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- atomization
- cooling
- cooling venturi
- flue gas
- converter
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Abstract
The invention relates to an atomization cooling venture tube for primary smoke of a converter and application method of the venture tube. The atomization cooling venture tube for the primary smoke of the converter comprises an atomization cooling venture tube inlet section, an atomization cooling venture tube middle section, an atomization cooling venture tube outlet section, multiple double medium spray guns, a water supply main pipe, a gas supply main pipe, a water supply annular pipe and one gas supply annular pipe, wherein multiple double medium spray guns are respectively arranged at the atomization cooling venture tube middle section and are respectively connected with the water supply annular pipe and the gas supply annular pipe, the water supply annular pipe is connected to the water supply main pipe, and the gas supply annular pipe is connected to the gas supply main pipe. The invention also relates to an application method of the atomization cooling venture tube for the primary smoke of the converter. The atomization cooling venture tube for the primary smoke of the converter has the advantages that the smoke is cooled by adopting multiple double medium spray guns, and temperature of the smoke is reduced to 580-600 DEG C from 660-680 DEG C, so that aggregation of carbon monoxide in the smoke is effectively contained, a danger that the atomization cooling venture tube for the primary smoke of the converter is exploded in the range of 605-650 DEG C, and the atomization cooling venture tube for the primary smoke of the converter can be used safely.
Description
Technical field
The present invention relates to cooling Venturi meter of flue gas atomization of a kind of converter and using method thereof, for flue gas low-temperature waste heat reclaiming process of converter.
Background technology
At present, because the flue-gas temperature of Converter Residual Heat Boiler back-end ductwork outlet of existing technique still has 900 ℃ of left and right, no matter that wet method or dry cleaning and recovery process all do not reclaim this part heat again, cause part calorific loss, the reason that does not have to reclaim is largely worried the safety problem of waste heat recovery.Residual heat and energy is recycled will effectively reduce steel products production cost, therefore need under the prerequisite that solves safety problem, to this part heat, recycle.
And in waste heat recovery, local gathering easily occurs the carbon monoxide in flue gas, in the scope of 605 ℃-650 ℃ time, easily there is to dodge quick-fried danger in its temperature.
Therefore be necessary to design cooling Venturi meter of flue gas atomization of a kind of converter and using method thereof, to overcome the problems referred to above.
Summary of the invention
The object of the invention is to overcome the defect of prior art, a kind of cooling Venturi meter of flue gas atomization of safe converter and using method thereof used is provided.
The present invention is achieved in that
The invention provides cooling Venturi meter of flue gas atomization of a kind of converter, be installed on waste-heat recovery device, comprise the cooling venturi inlet section of an atomization, the cooling Venturi meter interlude of an atomization, the cooling venturi outlet section of an atomization, a plurality of pairs of medium spray guns, a vibration means for main pipe for supplying water, an air feed supervisor, a water supply endless tube and air feed endless tubes; The cooling venturi inlet section of described atomization is located at the cooling Venturi meter interlude of described atomization top, the cooling venturi outlet section of described atomization is located at the cooling Venturi meter interlude of described atomization below, a plurality of described pair of medium spray guns are all installed on the cooling Venturi meter interlude of described atomization, and all connect described water supply endless tube and described air feed endless tube simultaneously, described water supply endless tube is connected to described vibration means for main pipe for supplying water, and described air feed endless tube is connected to described air feed supervisor; Wherein, described vibration means for main pipe for supplying water is along being provided with successively water main strainer, water main pneumatic cut-off valve and water main pneumatic adjusting valve in its water (flow) direction; Described air feed supervisor is along being provided with successively air feed supervisor's pneumatic cut-off valve and air feed supervisor air vent valve on its air flow line.
Further, described water supply endless tube and described air feed endless tube all arrange around the cooling Venturi meter interlude of described atomization.
Further, a plurality of described pair of medium spray guns arrange around the cooling Venturi meter interlude of described atomization uniformly.
Further, the cooling venturi inlet section of described atomization is circumference adapter bonnet, and its upper end is connected with waste-heat recovery device.
Further, the cooling Venturi meter interlude of described atomization is pipe.
Further, the cooling venturi outlet section of described atomization is circumference adapter bonnet, and its bottom is connected with waste-heat recovery device.
The present invention also provides the using method of a cooling Venturi meter of flue gas atomization of a kind of converter, comprise the following steps: outlet flue gas during converter smelting, after cooling down to 660 ℃-680 ℃ of scopes of waste-heat recovery device, is introduced into the cooling venturi inlet section of described atomization; Enter into the flue gas after the cooling venturi inlet section of described atomization, enter again the cooling Venturi meter interlude of described atomization, now described air feed supervisor's pneumatic cut-off valve and described air feed supervisor air vent valve are opened successively, guarantee that the pressure in the cooling Venturi meter interlude of described atomization is not less than 0.5MPa, again water main pneumatic cut-off valve is opened, then described water main pneumatic adjusting valve is carried out to aperture setting according to injection flow rate, make atomizing droplet and the flue gas of described pair of medium spray gun ejection carry out direct heat exchange; Flue gas after heat exchange enters the cooling venturi outlet section of described atomization, and now the temperature of flue gas is reduced within the scope of 580 ℃-600 ℃.
Further, a plurality of described pair of medium spray guns arrange around the cooling Venturi meter interlude of described atomization uniformly, make the atomizing droplet of described pair of medium spray gun ejection be distributed in uniformly the cooling Venturi meter interlude of described atomization inside.
The present invention has following beneficial effect:
Cooling Venturi meter of flue gas atomization of described converter is lowered the temperature to flue gas by a plurality of pairs of medium spray guns, the temperature of flue gas is reduced within the scope of 580 ℃-600 ℃ from 660 ℃-680 ℃, thereby effectively contain the gathering of carbon monoxide in flue gas, reduce the per-cent of the inflammable gas in flue gas, avoid it in the scope of 605 ℃-650 ℃, to occur to dodge quick-fried danger, made the use of a cooling Venturi meter of flue gas atomization of described converter safer.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the cooling Venturi meter of flue gas atomization of converter that Fig. 1 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope of protection of the invention.
As Fig. 1, the embodiment of the present invention provides a kind of converter the cooling Venturi meter of flue gas atomization, is installed on waste-heat recovery device.It comprises the cooling venturi inlet section 1 of an atomization, the cooling Venturi meter interlude 2 of an atomization, the cooling venturi outlet section 6 of an atomization, a plurality of pairs of medium spray guns 3, a vibration means for main pipe for supplying water 10, air feed supervisor's 11, one water supply endless tube 4 and an air feed endless tube 5.
As Fig. 1, the cooling venturi inlet section 1 of described atomization is located at the cooling Venturi meter interlude of described atomization 2 tops, and the cooling venturi outlet section 6 of described atomization is located at the cooling Venturi meter interlude of described atomization 2 belows.Wherein, the cooling venturi inlet section 1 of described atomization is circumference adapter bonnet, and its upper end is square opening portion, and is connected with waste-heat recovery device, and its profile angular range is 50 ° to 70 °; The cooling Venturi meter interlude 2 of described atomization is pipe; The cooling venturi outlet section 6 of described atomization is circumference adapter bonnet, and its bottom is square opening end, and is connected with waste-heat recovery device, and its profile angular range is 20 ° to 40 °.
As Fig. 1, a plurality of described pair of medium spray guns 3 are all installed on the cooling Venturi meter interlude 2 of described atomization, and all connect described water supply endless tube 4 and described air feed endless tube 5, described water supply endless tube 4 is connected to described vibration means for main pipe for supplying water 10 simultaneously, described air feed endless tube 5 is connected to described air feed supervisor 11.In this preferred embodiment, described water supply endless tube 4 and described air feed endless tube 5 all arrange around the cooling Venturi meter interlude 2 of described atomization, for described pair of medium spray gun 3 supplies water respectively and air feed.A plurality of described pair of medium spray guns 3 arrange around the cooling Venturi meter interlude 2 of described atomization uniformly, make the atomizing droplet of described pair of medium spray gun 3 ejections be distributed in uniformly the cooling Venturi meter interlude of described atomization 2 inside.
As Fig. 1, described vibration means for main pipe for supplying water 10 is along being provided with successively water main manual modulation valve (not shown), water main strainer 9, water main pneumatic cut-off valve 8 and water main pneumatic adjusting valve 7 in its water (flow) direction; Described water main strainer 9 filters for the magazine of the larger particles in water, prevents that it from stopping up vibration means for main pipe for supplying water 10.Described air feed supervisor 11 is along being provided with successively air feed supervisor hand off valve (not shown), air feed supervisor's pneumatic cut-off valve 12 and air feed supervisor air vent valve 13 on its air flow line.When cooling Venturi meter of flue gas atomization of described converter need to keep in repair, now need first to close described water main manual modulation valve and described air feed supervisor hand off valve, that is to say and close water source and source of the gas, and then carry out remedial operation.
As Fig. 1, the present invention also provides the using method of a cooling Venturi meter of flue gas atomization of a kind of converter, comprises the following steps:
Outlet flue gas during converter smelting, after cooling down to 660 ℃-680 ℃ of scopes of waste-heat recovery device, is introduced into the cooling venturi inlet section 1 of described atomization.
Enter into the flue gas after the cooling venturi inlet section 1 of described atomization, enter again the cooling Venturi meter interlude 2 of described atomization, now described air feed supervisor's pneumatic cut-off valve 12 and described air feed supervisor air vent valve 13 are opened successively, guarantee that the pressure in the cooling Venturi meter interlude 2 of described atomization is not less than 0.5MPa, again water main pneumatic cut-off valve 8 is opened, then described water main pneumatic adjusting valve 7 is carried out to aperture setting according to injection flow rate, make atomizing droplet and the flue gas of 3 ejections of described pair of medium spray gun carry out direct heat exchange, flue gas covers the cooling Venturi meter interlude of whole atomization 2 cross sections with the water vapor that drop evaporates formation completely after even mixing, and portion carries out sufficient heat exchange within it, wherein, injection flow rate is that the principle absorbing when being heated up by water according to the heat of flue gas cool-down and undergoing phase transition is calculated.
Flue gas after heat exchange enters the cooling venturi outlet section 6 of described atomization, and now the temperature of flue gas is reduced within the scope of 580 ℃-600 ℃.
In sum, cooling Venturi meter of flue gas atomization of described converter is lowered the temperature to flue gas by a plurality of pairs of medium spray guns, the temperature of flue gas is reduced within the scope of 580 ℃-600 ℃ from 660 ℃-680 ℃, thereby effectively contain the gathering of carbon monoxide in flue gas, reduce the per-cent of the inflammable gas in flue gas, avoid it in the scope of 605 ℃-650 ℃, to occur to dodge quick-fried danger, made the use of a cooling Venturi meter of flue gas atomization of described converter safer.And atomizing spray also plays the modified effect to flue gas, and the first dustproof function of removing crude particle dust.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. cooling Venturi meter of flue gas atomization of a converter, be installed on waste-heat recovery device, it is characterized in that, comprise the cooling venturi inlet section of an atomization, the cooling Venturi meter interlude of an atomization, the cooling venturi outlet section of an atomization, a plurality of pairs of medium spray guns, a vibration means for main pipe for supplying water, an air feed supervisor, a water supply endless tube and air feed endless tubes;
The cooling venturi inlet section of described atomization is located at the cooling Venturi meter interlude of described atomization top, the cooling venturi outlet section of described atomization is located at the cooling Venturi meter interlude of described atomization below, a plurality of described pair of medium spray guns are all installed on the cooling Venturi meter interlude of described atomization, and all connect described water supply endless tube and described air feed endless tube simultaneously, described water supply endless tube is connected to described vibration means for main pipe for supplying water, and described air feed endless tube is connected to described air feed supervisor;
Wherein, described vibration means for main pipe for supplying water is along being provided with successively water main strainer, water main pneumatic cut-off valve and water main pneumatic adjusting valve in its water (flow) direction; Described air feed supervisor is along being provided with successively air feed supervisor's pneumatic cut-off valve and air feed supervisor air vent valve on its air flow line.
2. cooling Venturi meter of flue gas atomization of converter as claimed in claim 1, is characterized in that: described water supply endless tube and described air feed endless tube all arrange around the cooling Venturi meter interlude of described atomization.
3. the using method of a cooling Venturi meter of flue gas atomization of converter as claimed in claim 2, is characterized in that: a plurality of described pair of medium spray guns arrange around the cooling Venturi meter interlude of described atomization uniformly.
4. cooling Venturi meter of flue gas atomization of converter as claimed in claim 1, is characterized in that: the cooling venturi inlet section of described atomization is circumference adapter bonnet, and its upper end is connected with waste-heat recovery device.
5. cooling Venturi meter of flue gas atomization of converter as claimed in claim 1, is characterized in that: the cooling Venturi meter interlude of described atomization is pipe.
6. cooling Venturi meter of flue gas atomization of converter as claimed in claim 1, is characterized in that: the cooling venturi outlet section of described atomization is circumference adapter bonnet, and its bottom is connected with waste-heat recovery device.
7. the using method of a cooling Venturi meter of flue gas atomization of the converter as described in claim 1 to 6 any one, is characterized in that, comprises the following steps:
Outlet flue gas during converter smelting, after cooling down to 660 ℃-680 ℃ of scopes of waste-heat recovery device, is introduced into the cooling venturi inlet section of described atomization;
Enter into the flue gas after the cooling venturi inlet section of described atomization, enter again the cooling Venturi meter interlude of described atomization, now described air feed supervisor's pneumatic cut-off valve and described air feed supervisor air vent valve are opened successively, guarantee that the pressure in the cooling Venturi meter interlude of described atomization is not less than 0.5MPa, again water main pneumatic cut-off valve is opened, then described water main pneumatic adjusting valve is carried out to aperture setting according to injection flow rate, make atomizing droplet and the flue gas of described pair of medium spray gun ejection carry out direct heat exchange;
Flue gas after heat exchange enters the cooling venturi outlet section of described atomization, and now the temperature of flue gas is reduced within the scope of 580 ℃-600 ℃.
8. using method as claimed in claim 7, it is characterized in that: a plurality of described pair of medium spray guns arrange around the cooling Venturi meter interlude of described atomization uniformly, make the atomizing droplet of described pair of medium spray gun ejection be distributed in uniformly the cooling Venturi meter interlude of described atomization inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410257179.9A CN104017933B (en) | 2014-06-11 | 2014-06-11 | Converter flue gas atomization cooling Venturi meter and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410257179.9A CN104017933B (en) | 2014-06-11 | 2014-06-11 | Converter flue gas atomization cooling Venturi meter and using method thereof |
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| Publication Number | Publication Date |
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| CN104017933A true CN104017933A (en) | 2014-09-03 |
| CN104017933B CN104017933B (en) | 2016-04-20 |
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| CN201410257179.9A Active CN104017933B (en) | 2014-06-11 | 2014-06-11 | Converter flue gas atomization cooling Venturi meter and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105018781A (en) * | 2015-07-31 | 2015-11-04 | 龙桂山 | Smelting device for high-phosphorus copper alloy |
| CN110624369A (en) * | 2019-10-14 | 2019-12-31 | 杭州富阳松连食品有限公司 | Venturi tube applied to plate-type absorption tower |
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| CN2440569Y (en) * | 2000-06-23 | 2001-08-01 | 林英雄 | High performance atomizing desulfurizing dust collector |
| CN201023016Y (en) * | 2006-10-20 | 2008-02-20 | 宋会江 | Venture dust-removing device |
| CN201040220Y (en) * | 2007-01-26 | 2008-03-26 | 李昌德 | Adjustable aditus laryngis circumferential seam venturi |
| CN201094893Y (en) * | 2007-09-24 | 2008-08-06 | 北京能泰高科环保技术有限公司 | Novel venturi |
| CN101358263A (en) * | 2007-08-01 | 2009-02-04 | 山东省冶金设计院有限责任公司 | Converter gas cooling and purification method |
| CN202099256U (en) * | 2011-06-30 | 2012-01-04 | 斯普瑞喷雾系统(上海)有限公司 | One-step flue gas and coal gas semi-dry cooling and dedusting system of converter |
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2014
- 2014-06-11 CN CN201410257179.9A patent/CN104017933B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2440569Y (en) * | 2000-06-23 | 2001-08-01 | 林英雄 | High performance atomizing desulfurizing dust collector |
| CN201023016Y (en) * | 2006-10-20 | 2008-02-20 | 宋会江 | Venture dust-removing device |
| CN201040220Y (en) * | 2007-01-26 | 2008-03-26 | 李昌德 | Adjustable aditus laryngis circumferential seam venturi |
| CN101358263A (en) * | 2007-08-01 | 2009-02-04 | 山东省冶金设计院有限责任公司 | Converter gas cooling and purification method |
| CN201094893Y (en) * | 2007-09-24 | 2008-08-06 | 北京能泰高科环保技术有限公司 | Novel venturi |
| CN202099256U (en) * | 2011-06-30 | 2012-01-04 | 斯普瑞喷雾系统(上海)有限公司 | One-step flue gas and coal gas semi-dry cooling and dedusting system of converter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105018781A (en) * | 2015-07-31 | 2015-11-04 | 龙桂山 | Smelting device for high-phosphorus copper alloy |
| CN110624369A (en) * | 2019-10-14 | 2019-12-31 | 杭州富阳松连食品有限公司 | Venturi tube applied to plate-type absorption tower |
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| Publication number | Publication date |
|---|---|
| CN104017933B (en) | 2016-04-20 |
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Inventor after: Wang Liang Inventor after: Liu Changjian Inventor after: Zhao Jinbiao Inventor after: Xue Junfeng Inventor after: Pan Hong Inventor before: Wang Liang Inventor before: Ji Shichang Inventor before: Zhao Jinbiao Inventor before: Xue Junfeng Inventor before: Pan Hong |
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