CN103882172B - A kind of blast funnace hot blast stove attemperator - Google Patents
A kind of blast funnace hot blast stove attemperator Download PDFInfo
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- CN103882172B CN103882172B CN201410112828.6A CN201410112828A CN103882172B CN 103882172 B CN103882172 B CN 103882172B CN 201410112828 A CN201410112828 A CN 201410112828A CN 103882172 B CN103882172 B CN 103882172B
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- blower
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Abstract
The invention provides a kind of blast funnace hot blast stove attemperator, comprise main burner, auxiliary burner and main burner blower, main burner is connected with blast furnace gas producer, main burner is by the main burner blower described in a main combustion air channel connection, main combustion air passage is provided with combustion air bleeder, and combustion air bleeder is provided with combustion air diffusion valve; Auxiliary burner is connected with coke-oven gas producer; Also comprise an auxiliary burner blower, the auxiliary burner described in described auxiliary burner blower is communicated with by an auxiliary combustion air passageways, auxiliary combustion air passageways is communicated with by a unicom pipeline with main combustion air passage, and this unicom pipeline is provided with trip valve.The program, between hotblast stove soak, under the prerequisite not using frequency conversion system, can be avoided the waste of electric energy, and effectively can reduce noise pollution, and the source being simultaneously convenient to combustion air in main and auxiliary burner controls.
Description
Technical field
The present invention relates to a kind of attemperator, specifically a kind of blast funnace hot blast stove attemperator.
Background technology
At iron and steel metallurgical industry, smelting blast furnace often adopts hotblast stove to provide hot blast for it, and in order to the regenerator of bottom, combustion chamber being heated in real time the temperature of regulation, at hotblast stove insulation run duration, main burner and auxiliary burner have been installed outside the combustion chamber of hotblast stove simultaneously.Main burner and auxiliary burner adopt different fuel respectively, main burner with the self-produced blast furnace gas of blast furnace for fuel, auxiliary burner with other fuel such as coke-oven gas for fuel, and these two burners provide combustion air by main burner blower, and this main burner blower and main burner match.In view of the blast furnace coal tolerance produced when blast furnace is normally produced is more, guarantee the Thorough combustion of above-mentioned blast furnace gas, main combustion air is confidential to be guaranteed to provide enough and appropriate combustion air, and output rating is very large.
And when blast furnace shutdown period, blast furnace gas is in the state of stopping production or deficiency, now auxiliary burner operation, but the thermal Finite that time Given this, chamber of hot-blast stove needs, in auxiliary burner, to the requirement of combustion air, comparatively main burner is a lot of less, when not using frequency conversion system, if still use main burner blower for its supply combustion air, have large quantity of air to have more than needed, and the supply of this part air more than needed needs to consume a large amount of electric energy, thus cause the waste of a large amount of electric energy; And use powerful main burner blower to be auxiliary burner supply combustion air, noise pollution can be produced to environment.This is deficiency existing in prior art.
Summary of the invention
Technical problem to be solved by this invention is, for deficiency existing in prior art, a kind of technical scheme of blast funnace hot blast stove attemperator is provided, the program is between hotblast stove soak, under the prerequisite not using frequency conversion system, can avoid the waste of a large amount of electric energy described in the prior art, and effectively can reduce noise pollution, the source being simultaneously convenient to combustion air in main and auxiliary burner controls.
For solving the problems of the technologies described above, the invention provides a kind of blast funnace hot blast stove attemperator, comprise main burner, auxiliary burner and main burner blower, main burner is connected with blast furnace gas producer, main burner is by the main burner blower described in a main combustion air channel connection, main combustion air passage is provided with combustion air bleeder, and combustion air bleeder is provided with combustion air diffusion valve; Auxiliary burner is connected with coke-oven gas producer; Also comprise an auxiliary burner blower, the auxiliary burner described in described auxiliary burner blower is communicated with by an auxiliary combustion air passageways, auxiliary combustion air passageways is communicated with by a unicom pipeline with main combustion air passage, and this unicom pipeline is provided with trip valve.
During use, the model selection of the auxiliary burner blower that suitable auxiliary burner uses can be carried out according to actual needs.
Described main burner blower is connected with the normally opened contact J1-1 of a relay J 1, and described relay J 1 is connected with a button SB1.
Described auxiliary burner blower is connected with the normally opened contact J2-1 of a relay J 2, and described relay J 2 is connected with a button SB2.
Described combustion air diffusion valve adopts motor-operated control valve.
Described combustion air diffusion valve is connected with the normally opened contact J3-1 of a relay J 3, and described relay J 3 is connected with a button SB3.
Described trip valve adopts motor-operated control valve.
Described trip valve is connected with the normally opened contact J4-1 of a relay J 4, and described relay J 4 is connected with a button SB4.
Described main burner blower adopts D2200-11F blower fan.
Described auxiliary burner blower adopts 9-19-5.6 blower fan.
Compared with prior art, the invention has the beneficial effects as follows:
(1) main burner of the present invention is communicated with different burner blowers respectively with auxiliary burner, thus be convenient to select according to actual needs the burner blower that watt level is suitable, thus guarantee the efficiency utilization to the energy, namely between hotblast stove soak, under the prerequisite not using frequency conversion system, the waste of electric energy in prior art can be avoided; In addition, be applicable to the use of the low-power machine of auxiliary burner, effectively can reduce the noise pollution between soak, make Working environment more friendly;
(2) the present invention is by main combustion air channel connection main burner and main burner blower, be communicated with auxiliary burner blower and auxiliary burner by auxiliary combustion air passageways, auxiliary combustion air passageways is connected by a unicom pipeline with main combustion air interchannel, the use of unicom pipeline, make main burner blower can as the stand-by fan of auxiliary burner blower, this can increase the reliability and security that the present invention uses;
(3) main burner blower carries out on off control by button SB1 and relay J 1, and during use, push button SB1 controls main burner blower work by relay J 1, be convenient to control, control sensitive and easy to use;
(4) auxiliary burner blower carries out on off control by button SB2 and relay J 2, and during use, push button SB2 controls the work of auxiliary combustion blower fan by relay J 2, be convenient to control, control sensitive and easy to use;
(5) combustion air diffusion valve adopts motor-operated control valve, and this combustion air diffusion valve carries out open and close controlling by relay J 3 and button SB3, and when using, namely push button SB3 controls combustion air diffusion valve by relay J 3 and closes, namely cut-off push button SB3 controls combustion air diffusion valve by relay J 3 and disconnects, be convenient to control, control sensitive and easy to use;
(6) trip valve adopts motor-operated control valve, and this trip valve carries out open and close controlling by relay J 4 and button SB4, and when using, namely push button SB4 controls trip valve by relay J 4 and closes, namely cut-off push button SB4 controls trip valve by relay J 4 and disconnects, be convenient to control, control sensitive and easy to use.
Therefore, compared with prior art, the present invention has outstanding substantive distinguishing features and significant progress, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is electrical schematic diagram of the present invention.
Wherein: 1-main burner, the auxiliary burner of 2-, 3-blast furnace gas passage, the main combustion air passage of 4-, 5-auxiliary combustion air passageways, 6-coke-oven gas passage, 7-coke-oven gas producer, 8-unicom pipeline, 9-trip valve, the auxiliary burner blower of 10-, the main burner blower of 11-, 12-combustion air diffusion valve, 13-combustion air bleeder, 14-blast furnace gas producer, 15-combustion chamber, 16-regenerator.
Embodiment
For ease of illustrating, below in conjunction with accompanying drawing, the present invention is described in further detail.
As depicted in figs. 1 and 2, a kind of blast funnace hot blast stove attemperator of the present invention, comprise main burner 1, auxiliary burner 2 and main burner blower 11, main burner 1 is connected with blast furnace gas producer 14 by blast furnace gas passage 3.Blast funnace hot blast stove also comprises combustion chamber 15 and regenerator 16.Main burner 1 is arranged on the top of combustion chamber 15, and auxiliary burner 2 is arranged on the side of combustion chamber 15, and regenerator 16 is arranged on the bottom of combustion chamber 15.Main burner 1 is communicated with described main burner blower 11 by a main combustion air passage 4, and main combustion air passage 4 is provided with combustion air bleeder 13, and combustion air bleeder 13 is provided with combustion air diffusion valve 12; Auxiliary burner 2 is connected with coke-oven gas producer 7 by coke-oven gas passage 6; The present invention also comprises an auxiliary burner blower 10, described auxiliary burner blower 10 is communicated with described auxiliary burner 2 by an auxiliary combustion air passageways 5, auxiliary combustion air passageways 5 is communicated with by a unicom pipeline 8 with main combustion air passage 4, and this unicom pipeline 8 is provided with trip valve 9.
The use of unicom pipeline 8, has been communicated with auxiliary combustion air passageways 5 and main combustion air passage 4, has made main burner blower 11 can be used as the stand-by fan of auxiliary burner blower 10; In addition unicom pipeline 8 is provided with trip valve 9, the use of trip valve 9, and the break-make being convenient to unicom pipeline 8 controls, and structure is simple, easy to use.
When blast furnace is in normal operating conditions, blast furnace gas producer 14 supplies blast furnace gas fuel by blast furnace gas passage 3 in main burner 1, and whether the normal work of blast furnace directly affects the amount of blast furnace gas in blast furnace gas producer 14.When blast furnace is in end-of-life state, enable auxiliary burner 2, and coke-oven gas producer 7 supplies coke-oven gas fuel by coke-oven gas passage 6 in auxiliary burner 2.
Wherein, main burner blower 11 adopts D2200-11F blower fan, and auxiliary burner blower 10 adopts 9-19-5.6 blower fan, the energy consumption of auxiliary burner blower 10 is much smaller than main burner blower 11, therefore when using auxiliary burner blower 10, energy consumption can be reduced to a great extent, can also noise pollution be reduced simultaneously.
Wherein, main burner blower 11 is connected with the normally opened contact J1-1 of relay J 1, and relay J 1 is connected with button SB1; Auxiliary burner blower 10 is connected with the normally opened contact J2-1 of relay J 2, and relay J 2 is connected with button SB2.Close push button SB1, SB2, then can realize the supply of main burner blower 11, auxiliary burner blower 10 pairs of combustion airs respectively; Disconnect SB1, SB2, then can stop the supply of main burner blower 11, auxiliary burner blower 10 pairs of combustion airs respectively; Be alternately closed and disconnect SB1, SB2, then main burner blower 11 can be made as the stand-by fan of auxiliary burner blower 10, and then the reliability of the present invention's use can be increased.
Wherein, combustion air diffusion valve 12 adopts motor-operated control valve.Combustion air diffusion valve 12 is connected with the normally opened contact J3-1 of relay J 3, and described relay J 3 is connected with button SB3.The use of button SB3, is convenient to the closed of combustion air diffusion valve 12 and disconnects, thus is convenient to the control that realizes whether diffusing combustion air, and structure is simple and easy to use.
Wherein, trip valve 9 adopts motor-operated control valve.Trip valve 9 is connected with the normally opened contact J4-1 of relay J 4, and described relay J 4 is connected with button SB4.The use of button SB4, just controls the closed of trip valve 9 and disconnects, thus is convenient to the control that realizes unicom pipeline 8 path and open circuit, and then is convenient to when auxiliary burner blower 10 fault, by main burner blower 11 for auxiliary burner 2 provides combustion air.Structure is simple, easy to use and reliability that is that use is high.
In addition, during use, can according to needs, button SB1, button SB2, button SB3 and button SB4 are arranged on the place of convenient operation, thus convenient operation, and then the source being convenient to combustion air in main and auxiliary burner controls, thus add the reliability of the present invention's use, practical.
In addition, in the present embodiment, the present invention passes through mains-supplied.
To sum up, less energy-consumption of the present invention, economy is practical again, is convenient to promote the use of.
The above, it is only better embodiment of the present invention, and be not used to limit the present invention, any those skilled in the art, not departing from the content of technical solution of the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the scope of technical solution of the present invention.
Claims (9)
1. a blast funnace hot blast stove attemperator, comprise main burner, auxiliary burner and main burner blower, main burner is connected with blast furnace gas producer, main burner is by the main burner blower described in a main combustion air channel connection, main combustion air passage is provided with combustion air bleeder, and combustion air bleeder is provided with combustion air diffusion valve; Auxiliary burner is connected with coke-oven gas producer; It is characterized in that: also comprise an auxiliary burner blower, the auxiliary burner described in described auxiliary burner blower is communicated with by an auxiliary combustion air passageways, auxiliary combustion air passageways is communicated with by a unicom pipeline with main combustion air passage, and this unicom pipeline is provided with trip valve.
2. blast funnace hot blast stove attemperator according to claim 1, is characterized in that: described main burner blower is connected with the normally opened contact J1-1 of a relay J 1, and described relay J 1 is connected with a button SB1.
3. blast funnace hot blast stove attemperator according to claim 1 and 2, is characterized in that: described auxiliary burner blower is connected with the normally opened contact J2-1 of a relay J 2, and described relay J 2 is connected with a button SB2.
4. blast funnace hot blast stove attemperator according to claim 1 and 2, is characterized in that: described combustion air diffusion valve adopts motor-operated control valve.
5. blast funnace hot blast stove attemperator according to claim 4, is characterized in that: described combustion air diffusion valve is connected with the normally opened contact J3-1 of a relay J 3, and described relay J 3 is connected with a button SB3.
6. blast funnace hot blast stove attemperator according to claim 1, is characterized in that: described trip valve adopts motor-operated control valve.
7. blast funnace hot blast stove attemperator according to claim 6, is characterized in that: described trip valve is connected with the normally opened contact J4-1 of a relay J 4, and described relay J 4 is connected with a button SB4.
8. blast funnace hot blast stove attemperator according to claim 1 and 2, is characterized in that: described main burner blower adopts D2200-11F blower fan.
9. blast funnace hot blast stove attemperator according to claim 1 and 2, is characterized in that: described auxiliary burner blower adopts 9-19-5.6 blower fan.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112828.6A CN103882172B (en) | 2014-03-25 | 2014-03-25 | A kind of blast funnace hot blast stove attemperator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410112828.6A CN103882172B (en) | 2014-03-25 | 2014-03-25 | A kind of blast funnace hot blast stove attemperator |
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| CN103882172A CN103882172A (en) | 2014-06-25 |
| CN103882172B true CN103882172B (en) | 2015-12-09 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB940654A (en) * | 1959-07-16 | 1963-10-30 | Zimmermann & Jansen Gmbh | Improvements in control installations for regeneratively heated hot blast stoves |
| CN2861170Y (en) * | 2006-01-09 | 2007-01-24 | 郑州豫兴耐火材料有限公司 | External-combustion ceramic burner for blast furnace hot blast stove |
| CN201218518Y (en) * | 2008-02-04 | 2009-04-08 | 山西太钢不锈钢股份有限公司 | Coke oven combustion controller |
| CN101792837A (en) * | 2010-01-26 | 2010-08-04 | 北京首钢国际工程技术有限公司 | High-temperature low-oxygen top-combustion-type air heating furnace |
| CN202610253U (en) * | 2012-05-21 | 2012-12-19 | 鞍钢股份有限公司 | Air supply device of preheating furnace |
| CN202968587U (en) * | 2012-12-15 | 2013-06-05 | 武钢集团昆明钢铁股份有限公司 | Top combustion stove capable of effectively preventing temperature of combustor from rising excessively |
-
2014
- 2014-03-25 CN CN201410112828.6A patent/CN103882172B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB940654A (en) * | 1959-07-16 | 1963-10-30 | Zimmermann & Jansen Gmbh | Improvements in control installations for regeneratively heated hot blast stoves |
| CN2861170Y (en) * | 2006-01-09 | 2007-01-24 | 郑州豫兴耐火材料有限公司 | External-combustion ceramic burner for blast furnace hot blast stove |
| CN201218518Y (en) * | 2008-02-04 | 2009-04-08 | 山西太钢不锈钢股份有限公司 | Coke oven combustion controller |
| CN101792837A (en) * | 2010-01-26 | 2010-08-04 | 北京首钢国际工程技术有限公司 | High-temperature low-oxygen top-combustion-type air heating furnace |
| CN202610253U (en) * | 2012-05-21 | 2012-12-19 | 鞍钢股份有限公司 | Air supply device of preheating furnace |
| CN202968587U (en) * | 2012-12-15 | 2013-06-05 | 武钢集团昆明钢铁股份有限公司 | Top combustion stove capable of effectively preventing temperature of combustor from rising excessively |
Non-Patent Citations (1)
| Title |
|---|
| 邯钢5#高炉热风炉保温实践;周宇杰等;《2008年中小高炉炼铁学术年会论文集》;20081231;说明书第387页左栏第1段、右栏第1段及图1 * |
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