CN201526966U - Special burner used for circular internal combustion type blast-furnace gas power generation boiler and provided with cone fluidic device - Google Patents
Special burner used for circular internal combustion type blast-furnace gas power generation boiler and provided with cone fluidic device Download PDFInfo
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- CN201526966U CN201526966U CN2009203141345U CN200920314134U CN201526966U CN 201526966 U CN201526966 U CN 201526966U CN 2009203141345 U CN2009203141345 U CN 2009203141345U CN 200920314134 U CN200920314134 U CN 200920314134U CN 201526966 U CN201526966 U CN 201526966U
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Abstract
The utility model relates to a special burner used for a circular internal combustion blast-furnace gas power generation boiler and provided with a cone fluidic device. The special burner comprises a nozzle installed at one end of a combustion pipe, wherein the nozzle is internally provided with the cone fluidic device matched with the nozzle; a position on the combustion pipe, corresponding to the cone fluidic device, is provided with a circular gap and a movable baffle device used for adjusting the quantity of inlet air of the circular gap; the outside of the combustion pipe is provided with a cooling device; and the combustion pipe is provided with an igniter burner. By adopting a method of internal combustion, the special burner causes flame to begin combusting inside the burner, improves the temperature of pipe wall, leads to a high-temperature environment, speeds up the chemical reaction of fuel and also solves the problems of fire cutoff and extinguishment. The benefits are as follows: detected in a test, the content of carbon monoxide in waste gas is below 5PPM and does not pollute the surrounding, and therefore the dedicated burner is a relatively ideal blast furnace gas burner.
Description
Technical field
The utility model relates to a kind of burner noz(zle), relates in particular to a kind of circular internal combustion blast furnace special gas nozzle with cone fluidic device.
Background technology
Along with the fast development of national economy, the blast furnace gas that produces in the blast furnace production process of iron and steel enterprise becomes a kind of considerable combustion gas resource at present.The characteristics of this combustion gas are that calorific value is very low, and its main combustible component carbon monoxide only accounts for 20% of its cumulative volume, are minimum a kind of in the industrial gas.But its output is very big and can not store, if can not make full use of, diffuse in the atmosphere and not only can cause severe energy waste, and can serious environment pollution.The most of iron and steel enterprises of China all have been equipped with electricity generation boiler at present, unnecessary blast furnace gas can be used for generating electricity.But electricity generation boiler burner in the market, for the burning high heating value gas designs, effect is fine when burning coke-stove gas of high heating value or coal gas of converter, but fire occurred being difficult to light, easily taking off when the pure blast furnace gas of lower heat of combustion, easily extinguish phenomenon.More seriously, form extremely dangerous explosive atmosphere, facts have proved that the explosive atmosphere of this kind can cause serious personal injury and equipment property loss owing to take off fire, extinguish a large amount of coal gas is accumulated in the burner hearth.Therefore, seek a kind of good method, create a cover and help the clean-burning necessary condition of blast furnace gas, blast furnace gas is produced and coke-stove gas and the same combustion efficiency of coal gas of converter, the electricity generation boiler burner of safety, environmental protection, efficient energy-saving is a major issue of benefiting the nation and the people.
For a long time, the method that blast furnace gas rationally utilizes is constantly being explored always by China, but traditional burner is because its unreasonable structure, and coal gas just mixes and undercompounding after leaving burner with combustion air, has influenced the chemical reaction of fuel and air.Therefore, the phenomenon of be easy to generate cutoff, extinguishing, and light difficulty.Therefore also do not find up to now and a kind ofly can under the normal temperature state, light easily, cutoff do not occur, extinguish the effective ways and the device of phenomenon.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provide a kind of have rational in infrastructure, easy to use, can make blast furnace gas under the normal temperature state, light and keep the circular internal combustion type blast furnace gas electricity generation boiler special nozzle of the band cone fluidic device of normal combustion.
For achieving the above object, the utility model adopts following technical proposals:
A kind of circular internal combustion type blast furnace gas electricity generation boiler special nozzle with cone fluidic device, it comprises the nozzle that is installed in combustion tube one end, the cone fluidic device that matches with it is installed in described nozzle, combustion tube and this cone fluidic device opposite position are provided with annulus and the sideboard device in order to adjusting annulus intake, the combustion tube outside is provided with cooling device, and combustion tube is provided with a bit burns mouth.
Described cone fluidic device comprises a taper path transfer valve, and taper path transfer valve is connected with the path transfer valve operating rod, and the top of path transfer valve operating rod is provided with the path transfer valve hand wheel.
The other end of described nozzle is connected with blast furnace gas pipeline.
Described combustion tube length is greater than the length that is positioned at combustion tube inner nozzle part.
Described sideboard device comprises deep bead, deep bead control stick and deep bead handwheel, deep bead is arranged at the end in the slit of combustion tube and cone fluidic device opposite position, deep bead is connected with deep bead control stick one end, and the deep bead control stick other end is connected with the deep bead handwheel.
Described cooling device comprises air duct and burner shell, and described air duct is connected with the slit of burner shell and combustion tube and cone fluidic device opposite position respectively; Described burner shell is located at the outside of combustion tube, and is provided with the gap between burner shell and the combustion tube outer wall and forms a circular passage.
Described combustion tube inner radial multilayer is laid with steady combustion steel rod.
Described nozzle, deep bead, combustion tube and burner shell are circle.
The utility model adopts the method for internal combustion, flame is just taken fire in burner inside, make tube wall and the rising of steady combustion steel rod temperature, cause a kind of suitable clean-burning hot environment, the chemical reaction of fuel is accelerated, also problem with regard to having solved cutoff, having extinguished.
In addition, the burner fluidic device, changed the flow direction of coal gas, make the angle directive combustion tube tube wall of coal gas by the cone valve regulation, form the taper air curtain of a sealing, combustion air will pass through in burner, this layer air curtain certainly will be passed, therefore, fully mixing of coal gas and air can be realized, accelerated the burning velocity of coal gas, make coal gas burning immediately after meeting, improve the temperature of combustion tube, also just help the abundant burning of coal gas more with this with combustion air, under this interactional condition, can make the combustion rate of coal gas reach 99%.This electricity generation boiler burner also has been equipped with a Chang Minghuo igniter burner, this igniter burner applies on May 24th, 2006 that with the applicant blast furnace gas special nozzle structure of " internal combustion blast furnace special gas nozzle of band cone fluidic device " utility model patent project is consistent, make this electricity generation boiler burner remain the igniting burning things which may cause a fire disaster that a Chang Ming does not extinguish, improved the security and the reliability of electricity generation boiler with this.
Owing in the middle of industrial processes, can often run into maintenance of equipment and cause blowing out, resume production and to light a fire at normal temperatures when restarting electricity generation boiler.Because blast furnace gas calorific value is lower, the active combustion composition is very thin, and experience is told us, and blast furnace gas is lighted a fire at low temperatures, very slow of the burning velocity of coal gas, and its phenomenon is an ignition difficulties, also very easily extinguishes simultaneously.Careless slightly, because of gathering too much, explosive atmosphere has an accident probably.Therefore, for solving this difficult problem, this device has designed coal gas path transfer valve, can pass through handwheel, path transfer control stick and move the inlet of restriction coal gas with Cone valve is forward and backward.Utilize the regulating action of deep bead simultaneously, the inlet of restriction combustion air.The minimizing of coal gas and combustion air consumption makes the flow velocity of whole combustion tube reduce, and flame just can smooth combustion in combustion tube.Though this moment, the power of this burner was very low, the flame temperature that burner combustion produces is not low, generally all more than 800 ℃, can satisfy the technological requirement of boiling stove and preboiler fully.Under continuous burned flame effect, fire box temperature can improve rapidly, when fire box temperature is brought up to 600 ℃, combustion air preheater in the electricity generation boiler waste gas flue can be preheating to combustion air about 200 ℃, this temperature can be accelerated the burning velocity of coal gas greatly, flame combustion is basicly stable, taking off fiery phenomenon eliminates fully, can decontrol coal gas path transfer valve this moment to strengthen the gas supply amount, the blow rate required that improves combustion fan simultaneously further strengthens burner power, impel the interior temperature of stove further to improve, generate electricity to produce enough steams.
The beneficial effects of the utility model are: after testing, the carbon monoxide content in discarding is below the 5PPM.Surrounding environment is not produced pollution, is a kind of comparatively desirable blast furnace gas burner.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the right view of Fig. 1;
Wherein, 1. blast furnace gas pipeline, 2. nozzle, 3. combustion tube, 4. cone path transfer valve, 5. path transfer valve operating rod, 6. the path transfer valve hand wheel 7. surely fires steel rod, 8. deep bead, 9. deep bead control stick, 10. deep bead handwheel, 11. combustion air air inlets, 12. burner shells, 13. air duct, 14. igniter burners;
Be the mobile direction of blast furnace gas,
Be the mobile direction of combustion air,
Be the flame combustion injection direction.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Among Fig. 1,2, blast furnace gas pipeline 1 is connected with an end of nozzle 2, and the other end of nozzle 2 then places an end of combustion tube 3, and its other end is the outlet of flame.The nozzle 2 built-in cone fluidic devices that match with its shape, this cone fluidic device comprises a cone path transfer valve 4, it is connected with path transfer valve operating rod 5, the top of path transfer valve operating rod 5 connects path transfer valve hand wheel 6, by rotating path transfer valve hand wheel 6, can mobile forward or backward cone path transfer valve 4, thus control makes it can keep the taper air curtain of a comparatively desirable sealing by the air-flow of nozzle 2 ejections.Be provided with steady combustion steel rod 7 in the combustion tube 3, surely fire steel rod 7, be used for storing the heat of thermal-flame and combustion gas is further stirred by radially multilayer is uniform.
For guaranteeing fully mixing of combustion gas and combustion air, at the deep bead 8 that is provided with of combustion tube 3 and nozzle 2 correspondence positions, it is connected with deep bead control stick 9, and deep bead control stick 9 tops connect deep bead handwheel 10, and 2 at combustion tube 3 and nozzle leave the slit.By rotating deep bead handwheel 10, mobile forward or backward deep bead 8, thereby reduce or open big combustion air air inlet 11, can limit and open the inlet of big combustion air, also changed simultaneously the direction of air-flow operation, stir to produce bigger turbulent flow, the realization combustion gas fully mixes with combustion air.Combustion air enters combustion tube 3 by the slit between deep bead 8 and combustion tube 3 ends and participates in burning, air velocity by control combustion tube inside, promptly control the slit of 3 of cone path transfer valve 4 and control deep bead 8 and combustion tubes, can reach the purpose that flame is burnt in combustion tube 3 inside, burned flame makes combustion tube 3 tube walls and steady combustion steel rod 7 heat up rapidly, in combustion tube 3, build a hot environment of accelerating chemical reaction, thereby guaranteed the adequacy of burning
Combustion tube 3 and burner shell 12 maintain the annular space of certain distance, will under the pressure effect of air blast, pass from annular space from the unnecessary combustion air of air duct 13, combustion tube 3 outer walls are cooled off the high temperature outer wall of also burned pipe 3 heating simultaneously.Heated combustion air enters in the stove by annular space, with the burning of meeting of the coal gas of surplus, has reached the purpose of secondary air feed.
In addition, a bit burn mouth 14 in the setting of the middle part of combustion tube 3, this igniter burner 14 applies on May 24th, 2006 that with the applicant blast furnace gas special nozzle structure of " internal combustion blast furnace special gas nozzle of band cone fluidic device " utility model patent project is consistent, make this electricity generation boiler burner remain the igniting burning things which may cause a fire disaster that a Chang Ming does not extinguish, improved the security and the reliability of electricity generation boiler with this.
Nozzle 2 in the utility model, deep bead 8, combustion tube 3 and burner shell 12 are circle.
Claims (8)
1. circular internal combustion type blast furnace gas electricity generation boiler special nozzle with cone fluidic device, it comprises the nozzle that is installed in combustion tube one end, the cone fluidic device that matches with it is installed in described nozzle, it is characterized in that: combustion tube and this cone fluidic device opposite position are provided with annulus and the sideboard device in order to adjusting annulus intake, the combustion tube outside is provided with cooling device, and combustion tube is provided with a bit burns mouth.
2. the circular internal combustion type blast furnace gas electricity generation boiler special nozzle of band cone fluidic device according to claim 1, it is characterized in that: described cone fluidic device comprises a taper path transfer valve, taper path transfer valve is connected with the path transfer valve operating rod, and the top of path transfer valve operating rod is provided with the path transfer valve hand wheel.
3. the circular internal combustion type blast furnace gas electricity generation boiler special nozzle of band cone fluidic device according to claim 1 is characterized in that: described nozzle is for circular, and the other end of nozzle is connected with circular blast furnace gas pipeline.
4. the circular internal combustion type blast furnace gas electricity generation boiler special nozzle of band cone fluidic device according to claim 1 is characterized in that: described combustion tube length is greater than the length that is positioned at combustion tube inner nozzle part.
5. the circular internal combustion type blast furnace gas electricity generation boiler special nozzle of band cone fluidic device according to claim 1, it is characterized in that: described sideboard device comprises circular deep bead, deep bead control stick and deep bead handwheel, circular deep bead is arranged at the end in the slit of combustion tube and cone fluidic device opposite position, circular deep bead is connected with deep bead control stick one end, and the deep bead control stick other end is connected with the deep bead handwheel.
6. the circular internal combustion type blast furnace gas electricity generation boiler special nozzle of band cone fluidic device according to claim 1, it is characterized in that: described cooling device comprises air duct and burner shell, and described air duct is connected with the annulus of burner shell and combustion tube and cone fluidic device opposite position respectively; Described burner shell is located at the outside of combustion tube, and is provided with the gap between burner shell and the combustion tube outer wall and forms a circular passage.
7. the circular internal combustion type blast furnace gas electricity generation boiler special nozzle of band cone fluidic device according to claim 6, it is characterized in that: described combustion tube and burner shell are circle.
8. the circular internal combustion type blast furnace gas electricity generation boiler special nozzle of band cone fluidic device according to claim 1, it is characterized in that: described combustion tube inner radial multilayer is laid with steady combustion steel rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203141345U CN201526966U (en) | 2009-11-05 | 2009-11-05 | Special burner used for circular internal combustion type blast-furnace gas power generation boiler and provided with cone fluidic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203141345U CN201526966U (en) | 2009-11-05 | 2009-11-05 | Special burner used for circular internal combustion type blast-furnace gas power generation boiler and provided with cone fluidic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201526966U true CN201526966U (en) | 2010-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203141345U Expired - Fee Related CN201526966U (en) | 2009-11-05 | 2009-11-05 | Special burner used for circular internal combustion type blast-furnace gas power generation boiler and provided with cone fluidic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201526966U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836625A (en) * | 2014-03-12 | 2014-06-04 | 中国人民解放军国防科学技术大学 | Gas combustion device for supersonic blowtorch |
| CN105157025A (en) * | 2015-08-17 | 2015-12-16 | 罗诺克兹（北京）能源设备技术有限公司 | Diffuse type flameless burner |
| CN108004359A (en) * | 2017-12-29 | 2018-05-08 | 大连新瑞晨环保科技有限公司 | Blast furnace gas baking equipment of hot blast stove |
| CN110925755A (en) * | 2019-12-13 | 2020-03-27 | 四川德胜集团钒钛有限公司 | Steam power generation boiler burner |
| CN111120152A (en) * | 2019-11-12 | 2020-05-08 | 安庆中船柴油机有限公司 | Adjustable gas jet pipe for internal combustion engine |
| CN112792326A (en) * | 2020-12-28 | 2021-05-14 | 何骞 | Cross-flow and mixed-flow torpedo ladle baking device |
-
2009
- 2009-11-05 CN CN2009203141345U patent/CN201526966U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836625A (en) * | 2014-03-12 | 2014-06-04 | 中国人民解放军国防科学技术大学 | Gas combustion device for supersonic blowtorch |
| CN103836625B (en) * | 2014-03-12 | 2016-04-20 | 中国人民解放军国防科学技术大学 | The gas combustion apparatus of supersonic speed blowtorch |
| CN105157025A (en) * | 2015-08-17 | 2015-12-16 | 罗诺克兹（北京）能源设备技术有限公司 | Diffuse type flameless burner |
| CN108004359A (en) * | 2017-12-29 | 2018-05-08 | 大连新瑞晨环保科技有限公司 | Blast furnace gas baking equipment of hot blast stove |
| CN108004359B (en) * | 2017-12-29 | 2023-10-20 | 大连新瑞晨环保科技有限公司 | Furnace drying equipment of blast furnace gas hot blast stove |
| CN111120152A (en) * | 2019-11-12 | 2020-05-08 | 安庆中船柴油机有限公司 | Adjustable gas jet pipe for internal combustion engine |
| CN111120152B (en) * | 2019-11-12 | 2021-11-05 | 安庆中船柴油机有限公司 | Adjustable gas jet pipe for internal combustion engine |
| CN110925755A (en) * | 2019-12-13 | 2020-03-27 | 四川德胜集团钒钛有限公司 | Steam power generation boiler burner |
| CN110925755B (en) * | 2019-12-13 | 2022-02-18 | 四川德胜集团钒钛有限公司 | Steam power generation boiler burner |
| CN112792326A (en) * | 2020-12-28 | 2021-05-14 | 何骞 | Cross-flow and mixed-flow torpedo ladle baking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20131105 |