CN104017933B - Converter flue gas atomization cooling Venturi meter and using method thereof - Google Patents

Converter flue gas atomization cooling Venturi meter and using method thereof Download PDF

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Publication number
CN104017933B
CN104017933B CN201410257179.9A CN201410257179A CN104017933B CN 104017933 B CN104017933 B CN 104017933B CN 201410257179 A CN201410257179 A CN 201410257179A CN 104017933 B CN104017933 B CN 104017933B
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atomization cooling
cooling venturi
flue gas
venturi meter
air feed
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CN104017933A (en
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王亮
刘昌健
赵金标
薛军锋
潘宏
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Wisdri Engineering and Research Incorporation Ltd
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Wisdri Engineering and Research Incorporation Ltd
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Abstract

The present invention relates to a kind of converter flue gas atomization cooling Venturi meter, comprise atomization cooling venturi inlet section, atomization cooling Venturi meter interlude, atomization cooling venturi outlet section, multiple pairs of medium spray guns, vibration means for main pipe for supplying water, air feed supervisor, water supply endless tube and air feed endless tubes; Multiple pairs of medium spray guns are all installed on atomization cooling Venturi meter interlude, and connect water supply endless tube and air feed endless tube all simultaneously, and water supply endless tube is connected to vibration means for main pipe for supplying water, and air feed endless tube is connected to air feed supervisor.The invention still further relates to the using method of a converter flue gas atomization cooling Venturi meter.Converter flue gas atomization cooling Venturi meter is lowered the temperature to flue gas by multiple pairs of medium spray guns, the temperature of flue gas is made to be reduced within the scope of 580 DEG C-600 DEG C from 660 DEG C-680 DEG C, thus the effective gathering containing carbon monoxide in flue gas, avoid it to occur to dodge quick-fried danger in the scope of 605 DEG C-650 DEG C, make the use of a converter flue gas atomization cooling Venturi meter safer.

Description

Converter flue gas atomization cooling Venturi meter and using method thereof
Technical field
The present invention relates to a kind of converter flue gas atomization cooling Venturi meter and using method thereof, for converter flue gas low-temperature waste heat reclaiming process.
Background technology
At present, Converter Residual Heat Boiler back-end ductwork due to existing technique exports a flue-gas temperature still about 900 DEG C, no matter that wet method or dry cleaning and recovery process all do not reclaim this partial heat again, cause partial heat to lose, do not have the reason reclaimed largely to worry the safety problem of waste heat recovery.Residual heat and energy is recycled will effectively reduce steel products production cost, therefore need recycle this partial heat under the prerequisite solving safety problem.
And in waste heat recovery, localized clusters easily occurs the carbon monoxide in flue gas, when its temperature is in the scope of 605 DEG C-650 DEG C, easily occur to dodge quick-fried danger.
Therefore be necessary to design a kind of converter flue gas atomization cooling Venturi meter and using method thereof, to overcome the problems referred to above.
Summary of the invention
The object of the invention is to the defect overcoming prior art, provide a kind of converter flue gas atomization cooling Venturi meter and using method thereof of use safety.
The present invention is achieved in that
The invention provides a kind of converter flue gas atomization cooling Venturi meter, be installed on waste-heat recovery device, comprise an atomization cooling venturi inlet section, an atomization cooling Venturi meter interlude, an atomization cooling venturi outlet section, multiple 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; Described atomization cooling venturi inlet section is located at above described atomization cooling Venturi meter interlude, described atomization cooling venturi outlet section is located at below described atomization cooling Venturi meter interlude, multiple described pair of medium spray gun is all installed on described atomization cooling Venturi meter interlude, and connect described water supply endless tube and described air feed endless tube all 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 its water (flow) direction being provided with successively water main strainer, water main pneumatic cut-off valve and water main pneumatic adjusting valve; Described air feed supervisor is along its air flow line being provided with successively air feed supervisor's pneumatic cut-off valve and air feed supervisor air vent valve.
Further, described water supply endless tube and described air feed endless tube are all arranged around described atomization cooling Venturi meter interlude.
Further, multiple described pair of medium spray gun is arranged around described atomization cooling Venturi meter interlude uniformly.
Further, described atomization cooling venturi inlet section is circumference adapter bonnet, and its upper end is connected with waste-heat recovery device.
Further, described atomization cooling Venturi meter interlude is pipe.
Further, described atomization cooling venturi outlet section is circumference adapter bonnet, and its bottom is connected with waste-heat recovery device.
The present invention also provides the using method of a kind of converter flue gas atomization cooling Venturi meter, comprise the following steps: exiting flue gas during converter smelting, after cooling down to 660 DEG C-680 DEG C of scopes of waste-heat recovery device, is introduced into described atomization cooling venturi inlet section; Enter into the flue gas after described atomization cooling venturi inlet section, enter described atomization cooling Venturi meter interlude again, now described air feed supervisor's pneumatic cut-off valve and described air feed supervisor air vent valve are opened successively, ensure that the pressure in described atomization cooling Venturi meter interlude 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 aperture setting according to injection flow rate, make the atomizing droplet of described pair of medium spray gun ejection and flue gas carry out direct heat exchange; Flue gas after heat exchange enters described atomization cooling venturi outlet section, and now the temperature of flue gas is reduced within the scope of 580 DEG C-600 DEG C.
Further, multiple described pair of medium spray gun is arranged around described atomization cooling Venturi meter interlude uniformly, makes the atomizing droplet of described pair of medium spray gun ejection be distributed in described atomization cooling Venturi meter interlude uniformly inner.
The present invention has following beneficial effect:
Described converter flue gas atomization cooling Venturi meter is lowered the temperature to flue gas by multiple pairs of medium spray guns, the temperature of flue gas is made to be reduced within the scope of 580 DEG C-600 DEG C from 660 DEG C-680 DEG C, thus the effective gathering containing carbon monoxide in flue gas, reduce the per-cent of the inflammable gas in flue gas, avoid it to occur to dodge quick-fried danger in the scope of 605 DEG C-650 DEG C, make the use of a described converter flue gas atomization cooling Venturi meter 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, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the converter flue gas atomization cooling Venturi meter 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, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of protection of the invention.
As Fig. 1, the embodiment of the present invention provides a kind of converter a flue gas atomization cooling Venturi meter, is installed on waste-heat recovery device.It comprises an atomization cooling venturi inlet section 1, and is atomized cooling Venturi meter interlude 2, atomization cooling venturi outlet section 6, multiple pairs of medium spray gun 3, vibration means for main pipe for supplying water 10, air feed supervisor 11, one water supply endless tube 4 and air feed endless tubes 5.
As Fig. 1, described atomization cooling venturi inlet section 1 is located at above described atomization cooling Venturi meter interlude 2, and described atomization cooling venturi outlet section 6 is located at below described atomization cooling Venturi meter interlude 2.Wherein, described atomization cooling venturi inlet section 1 is circumference adapter bonnet, and its upper end is square opening portion, and is connected with waste-heat recovery device, and its profile angle scope is 50 ° to 70 °; Described atomization cooling Venturi meter interlude 2 is pipe; Described atomization cooling venturi outlet section 6 is circumference adapter bonnet, and its bottom is square opening end, and is connected with waste-heat recovery device, and its profile angle scope is 20 ° to 40 °.
As Fig. 1, multiple described pair of medium spray gun 3 is all installed on described atomization cooling Venturi meter interlude 2, and connecting described water supply endless tube 4 and described air feed endless tube 5 all simultaneously, described water supply endless tube 4 is connected to described vibration means for main pipe for supplying water 10, and 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 are all arranged, for described pair of medium spray gun 3 supplies water and air feed respectively around described atomization cooling Venturi meter interlude 2.Multiple described pair of medium spray gun 3 is arranged around described atomization cooling Venturi meter interlude 2 uniformly, and it is inner that the atomizing droplet that described pair of medium spray gun 3 is sprayed is distributed in described atomization cooling Venturi meter interlude 2 uniformly.
As Fig. 1, described vibration means for main pipe for supplying water 10 is along its water (flow) direction 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; Described water main strainer 9, for filtering the magazine of the larger particles in water, prevents its blocking vibration means for main pipe for supplying water 10.Described air feed supervisor 11 is along its air flow line being provided with successively air feed supervisor's hand off valve (not shown), air feed supervisor's pneumatic cut-off valve 12 and air feed supervisor air vent valve 13.When described converter flue gas atomization cooling Venturi meter needs 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 kind of converter flue gas atomization cooling Venturi meter, comprises the following steps:
Exiting flue gas during converter smelting, after cooling down to 660 DEG C-680 DEG C of scopes of waste-heat recovery device, is introduced into described atomization cooling venturi inlet section 1.
Enter into the flue gas after described atomization cooling venturi inlet section 1, enter described atomization cooling Venturi meter interlude 2 again, now described air feed supervisor's pneumatic cut-off valve 12 and described air feed supervisor air vent valve 13 are opened successively, ensure that the pressure in described atomization cooling Venturi meter interlude 2 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 aperture setting according to injection flow rate, the atomizing droplet that described pair of medium spray gun 3 is sprayed and flue gas carry out direct heat exchange, flue gas and drop cover whole atomization and cool Venturi meter interlude 2 cross section after evaporating the water vapor Homogeneous phase mixing of formation completely, and carry out sufficient heat exchange therein, wherein, the principle absorbed when injection flow rate is and is heated up by water according to the heat of flue gas cool-down and undergo phase transition calculates and comes.
Flue gas after heat exchange enters described atomization cooling venturi outlet section 6, and now the temperature of flue gas is reduced within the scope of 580 DEG C-600 DEG C.
In sum, described converter flue gas atomization cooling Venturi meter is lowered the temperature to flue gas by multiple pairs of medium spray guns, the temperature of flue gas is made to be reduced within the scope of 580 DEG C-600 DEG C from 660 DEG C-680 DEG C, thus the effective gathering containing carbon monoxide in flue gas, reduce the per-cent of the inflammable gas in flue gas, avoid it to occur to dodge quick-fried danger in the scope of 605 DEG C-650 DEG C, make the use of a described converter flue gas atomization cooling Venturi meter safer.Further, atomizing spray also plays the modified effect to flue gas, and removes the first dustproof function of crude particle dust.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. converter flue gas atomization cooling Venturi meter, be installed on waste-heat recovery device, it is characterized in that, comprise an atomization cooling venturi inlet section, an atomization cooling Venturi meter interlude, an atomization cooling venturi outlet section, multiple 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;
Described atomization cooling venturi inlet section is located at above described atomization cooling Venturi meter interlude, described atomization cooling venturi outlet section is located at below described atomization cooling Venturi meter interlude, multiple described pair of medium spray gun is all installed on described atomization cooling Venturi meter interlude, and connect described water supply endless tube and described air feed endless tube all 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 its water (flow) direction being provided with successively water main strainer, water main pneumatic cut-off valve and water main pneumatic adjusting valve; Described air feed supervisor is along its air flow line being provided with successively air feed supervisor's pneumatic cut-off valve and air feed supervisor air vent valve;
Described water supply endless tube and described air feed endless tube are all arranged around described atomization cooling Venturi meter interlude.
2. converter as claimed in claim 1 flue gas atomization cooling Venturi meter, is characterized in that: multiple described pair of medium spray gun is arranged around described atomization cooling Venturi meter interlude uniformly.
3. converter as claimed in claim 1 flue gas atomization cooling Venturi meter, is characterized in that: described atomization cooling venturi inlet section is circumference adapter bonnet, and its upper end is connected with waste-heat recovery device.
4. converter as claimed in claim 1 flue gas atomization cooling Venturi meter, is characterized in that: described atomization cooling Venturi meter interlude is pipe.
5. converter as claimed in claim 1 flue gas atomization cooling Venturi meter, is characterized in that: described atomization cooling venturi outlet section is circumference adapter bonnet, and its bottom is connected with waste-heat recovery device.
6. the using method of the flue gas atomization cooling Venturi meter of the converter as described in any one of claim 1 to 5, is characterized in that, comprise the following steps:
Exiting flue gas during converter smelting, after cooling down to 660 DEG C-680 DEG C of scopes of waste-heat recovery device, is introduced into described atomization cooling venturi inlet section;
Enter into the flue gas after described atomization cooling venturi inlet section, enter described atomization cooling Venturi meter interlude again, now described air feed supervisor's pneumatic cut-off valve and described air feed supervisor air vent valve are opened successively, ensure that the pressure in described atomization cooling Venturi meter interlude 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 aperture setting according to injection flow rate, make the atomizing droplet of described pair of medium spray gun ejection and flue gas carry out direct heat exchange;
Flue gas after heat exchange enters described atomization cooling venturi outlet section, and now the temperature of flue gas is reduced within the scope of 580 DEG C-600 DEG C.
7. using method as claimed in claim 6, it is characterized in that: multiple described pair of medium spray gun is arranged around described atomization cooling Venturi meter interlude uniformly, makes the atomizing droplet of described pair of medium spray gun ejection be distributed in described atomization cooling Venturi meter interlude uniformly inner.
CN201410257179.9A 2014-06-11 2014-06-11 Converter flue gas atomization cooling Venturi meter and using method thereof Active CN104017933B (en)

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* Cited by examiner, † Cited by third party
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

Citations (6)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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

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