CN105509052A - Novel burner with arc-shaped body jetting device - Google Patents
Novel burner with arc-shaped body jetting device Download PDFInfo
- Publication number
- CN105509052A CN105509052A CN201510856610.6A CN201510856610A CN105509052A CN 105509052 A CN105509052 A CN 105509052A CN 201510856610 A CN201510856610 A CN 201510856610A CN 105509052 A CN105509052 A CN 105509052A
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- China
- Prior art keywords
- nozzle
- combustion tube
- arc
- tube
- path transfer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2203/00—Gaseous fuel burners
- F23D2203/007—Mixing tubes, air supply regulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/21—Burners specially adapted for a particular use
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Control Of Combustion (AREA)
Abstract
The invention provides a novel burner with an arc-shaped body jetting device. The burner comprises a combustion tube, a spray nozzle, the arc-shaped body jetting device, an air tube, a gas tube, a gas tube automatic regulating valve, a temperature sensor and a controller. According to the novel burner provided by the invention, the outlet of the spray nozzle is an involute structure which is matched with an arc-shaped diameter regulating valve body of the arc-shaped body jetting device, so that the gas flow is in a streamline form, kinetic energy loss is reduced, and impact force of flames is guaranteed. According to the dosage of the gas and the air, the controller automatically controls the opening size of the automatic regulating valve, so that an air-fuel ratio is reasonably controlled. The novel burner solves the problems that in a current steel ladle roasting process, blast furnace gas with a low calorific value is not easy to ignite under a normal-temperature state, and is easy to extinguish, further solves the problems such as insufficient flame power, great resistance, incomplete gas combustion, and the like, and has the advantages of being reasonable in structure, convenient to use, and the like.
Description
Technical field
The invention belongs to burner noz(zle) technical field, be specifically related to a kind of Novel burner nozzle with arc body fluidic device.
Background technology
In metallurgy industry, the use of burner is very general, and facilitate the fast development of iron and steel enterprise, the energy consumption of iron and steel enterprises is also growing, causes severe contamination to environment, and the haze especially produced has great injury to health.So find a kind of method, improve the efficiency of combustion of fuel, decreasing pollution gas purging is a major issue of benefiting the nation and the people.
Chinese patent CN2640661 discloses a kind of heat storing type ladle baker in 2004.09.15.This ladle baking facility needs to rely on combustion fan ability normal combustion, and combustion fan power is large, the very difficult ratio accurately regulating air fuel, and it is insufficient to burn, and temperature is low, the easy phenomenon producing cutoff and stop working, and lights difficulty.In addition, Chinese patent CN1869515A and 2006.11.29 discloses the combustion blast furnace gas special nozzle of band cone fluidic device.This burner can produce kinetic energy rejection, does not have automatic control and adjustment valve, can not control effectively, do not install automatic ignition device to other combustion gas, electricity fire difficulty.
Summary of the invention
The object of this invention is to provide a kind of Novel burner nozzle with arc body fluidic device, this burner comprises arc body fluidic device, rational in infrastructure, easy to use, fuel gas Thorough combustion can be made and ignition temperature is high, solve the problems such as current fuel gas is insufficient, incomplete, ignition temperature is low, easy cutoff is flame-out.
Technical scheme of the present invention is: a kind of Novel burner nozzle with arc body fluidic device, comprises combustion tube, nozzle, arc body fluidic device, air hose, Gas Pipe, temperature sensor and controller;
Described nozzle is the streamline cavity body structure being provided with import and outlet, and the import of described nozzle is fixedly connected with described Gas Pipe, and the outlet of described nozzle extends in the rear end of described combustion tube, and the front end of described combustion tube is flame export; The outlet of described nozzle is bore involute structure;
Described arc body fluidic device comprises path transfer valve hand wheel, path transfer valve operating rod and arc path transfer valve body; Arc path transfer valve body is positioned at the exit of described nozzle, the bottom of described path transfer valve operating rod is fixedly connected with described arc path transfer valve body, top passes described nozzle and is fixedly connected with described path transfer valve hand wheel, and the partial threads that described path transfer valve operating rod contacts with described nozzle connects;
The upper end of described air hose is fixedly connected with the outer wall of described nozzle, lower end is fixedly connected with the rear end outer wall of described combustion tube, form annular space A between described air hose inner tubal wall and the outer tube wall of described combustion tube, form annular space B between described combustion tube inner tubal wall and the outer tube wall of described nozzle, described annular space A is connected with described annular space B;
Described Gas Pipe is provided with Gas Pipe automatic regulating valve; Described temperature sensor is positioned at the exit of described nozzle;
Described controller is electrically connected with described Gas Pipe automatic regulating valve and temperature sensor respectively;
Temperature signal for gathering the temperature signal in described combustion tube, and is sent to described controller by described temperature sensor, and described controller controls the aperture of described Gas Pipe automatic regulating valve according to described temperature signal.
In such scheme, in described combustion tube, also fixedly mount automatic ignition device; Described automatic ignition device is positioned at described nozzle exit;
Described controller is electrically connected with described automatic ignition device, and described controller controls the igniting of described automatic ignition device.
In such scheme, the length of described combustion tube is greater than 2 times that described nozzle is positioned at described combustion tube inner length.
In such scheme, the angle between the tube wall tangent line of described nozzle involute outlet and described combustion tube tube wall is the angular range of α, α is 20 ° ~ 30 °.
In such scheme, described temperature sensor is thermocouple temperature sensor.
Advantage of the present invention:
1, the present invention adopts the method automatically controlled, described temperature sensor gathers the temperature level signal in described combustion tube, and temperature level signal is sent to described controller, described controller controls the aperture of described Gas Pipe automatic regulating valve according to described temperature level signal, make combustion gas Thorough combustion, Appropriate application.
2, nozzle of the present invention is streamlined, adopts the method with jet air inducing, can reduce kinetic energy rejection, prevent fuel gas return-flow, can realize automatic Air Adjusting, combustion gas is made full use of; Owing to have employed air inducing mode, eliminate combustion fan, both saved power consumption, additionally reduced equipment investment.
3, the outlet of nozzle of the present invention is involute structure, and match with described arc path transfer valve body, this structure makes air-flow become streamlined, decreases kinetic energy rejection, ensure that the impulsive force of flame.
4, the combustion gas due to the use of different steel mills is different, the air-fuel ratio of different combustion gas is also different, therefore, this apparatus design automatic control and adjustment valve, according to the consumption of combustion gas and air, automatically control by described controller the size that described automatic regulating valve door opens, conservative control air-fuel ratio, can reach the object of economize energy like this.
5, the present invention adopts the method for internal combustion, flame is just taken fire in combustion tube inside, makes tube wall improve temperature, cause a kind of hot environment, the chemical reaction of combustion gas is accelerated, also just solve the problem that cutoff is flame-out.
6, angle between the tube wall tangent line of nozzle involute outlet of the present invention and the tube wall of described combustion tube is α, the angular range of α is 20 ° ~ 30 °, the angular range making the jet direction of combustion gas crossing with the tube wall of described combustion tube is between 20 ° ~ 30 °, the negative pressure of now air-flow generation is the most obvious, drive combustion air through combustion gas air curtain, mixed combustion abundant with it, after testing, carbon monoxide content in discarded is less than 1.5ppm, minimum to ambient influnence, and average fuel saving more than 30%, baking time shortens about 25%, it is a kind of desirable apparatus for baking.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
In figure: 1, combustion tube; 2, nozzle; 3, path transfer valve hand wheel; 4, path transfer valve operating rod; 5, air hose; 6, Gas Pipe; 7, arc path transfer valve body; 8, annular space A; 9, automatic ignition device; 10, Gas Pipe automatic regulating valve; 11, temperature sensor; 12, controller; 13, annular space B.
Detailed description of the invention
Below in conjunction with accompanying drawing detailed description of the invention, the present invention is described in further detail, but protection scope of the present invention is not limited to this.
Figure 1 shows that a kind of embodiment of the Novel burner nozzle of band arc body fluidic device of the present invention, the Novel burner nozzle of described band arc body fluidic device comprises combustion tube 1, nozzle 2, arc body fluidic device, air hose 5, Gas Pipe 6, automatic ignition device 9 and controller 12.
Described nozzle 2 is for being provided with the streamline cavity body structure of import and outlet, and the import of described nozzle 2 is fixedly connected with described Gas Pipe 6, and the outlet of described nozzle 2 extends in the rear end of described combustion tube 1, and the front end of described combustion tube 1 is flame export; The outlet of described nozzle 2 is bore involute structure.Described nozzle 2 is streamlined, adopts the method with jet air inducing, can reduce kinetic energy rejection, prevent fuel gas return-flow, can realize automatic Air Adjusting, combustion gas is made full use of; Owing to have employed air inducing mode, eliminate combustion fan, both saved power consumption, additionally reduced equipment investment.
Described arc body fluidic device comprises path transfer valve hand wheel 3, path transfer valve operating rod 4 and arc path transfer valve body 7; Arc path transfer valve body 7 is positioned at the exit of described nozzle 2, the bottom of described path transfer valve operating rod 4 is fixedly connected with described arc path transfer valve body 7, top passes described nozzle 2 and is fixedly connected with described path transfer valve hand wheel 3, and the partial threads that described path transfer valve operating rod 4 contacts with described nozzle 2 connects.By described rotation path transfer valve hand wheel 3, described arc body path transfer valve 7 can be made to rise or decline, thus control the speed being sprayed air-flow by described nozzle 2.The outlet of described nozzle 2 is involute structure, and match with described arc path transfer valve body, this structure makes air-flow become streamlined, decreases kinetic energy rejection, ensure that the impulsive force of flame.
The rear end that described air hose 5 is enclosed within described combustion tube 1 is outside, the upper end of described air hose 5 is connected with the external stability of described nozzle 2, lower end is connected with the external stability of described combustion tube 1, annular space A8 is formed between described air hose 5 inner tubal wall and the outer tube wall of described combustion tube 1, annular space B13 is formed between described combustion tube 1 inner tubal wall and the outer tube wall of described nozzle 2, described annular space A8 is connected with described annular space B13, when combustion gas at a high speed enters described combustion tube 1 from described nozzle 2, forming powerful negative pressure impels combustion air to enter described combustion tube 1 participation burning through described annular space A8 and described annular space B13 successively, flow like this by controlling combustion gas just can reach and automatically control entering of combustion-supporting air quantity, it is made to keep rational ratio to burn, ensure that fully carrying out of burning.
Described Gas Pipe 6 is provided with Gas Pipe automatic regulating valve 10; Also be provided with temperature sensor 11 in described combustion tube 1, described temperature sensor 11 is positioned at the exit of described nozzle 2; Described temperature sensor 11 is thermocouple temperature sensor.
Described controller 12 is electrically connected with described Gas Pipe automatic regulating valve 10 and temperature sensor 11 respectively; Temperature level signal for gathering the temperature level signal in described combustion tube 1, and is sent to described controller 12 by described temperature sensor 11, and described controller 12 controls the aperture of described Gas Pipe automatic regulating valve 10 according to described temperature level signal.When the temperature that described temperature sensor 11 detects in described combustion tube 1 raises, the aperture of described Gas Pipe automatic regulating valve 10 turned down by described controller 12, when the temperature that described temperature sensor 11 detects in described combustion tube 1 reduces, described controller 12 tunes up the aperture of described Gas Pipe automatic regulating valve 10, described combustion tube 1 is made to keep a lasting thermal-flame, realize automatically controlling, make coal gas Thorough combustion, Appropriate application.
Described automatic ignition device 9 is fixedly mounted in described combustion tube 1, and described automatic ignition device 9 is positioned at described nozzle 2 exit; Described controller 12 is electrically connected with described automatic ignition device 9, controls described automatic ignition device 9 light a fire by described controller 12, safer.
The length of described combustion tube 1 is greater than 2 times that described nozzle 2 is positioned at described combustion tube 1 inner length, can ensure that flame takes fire in described combustion tube 1, and has enough space injection air.Adopt the method for internal combustion, flame is just taken fire in described combustion tube 1 inside, makes tube wall improve temperature, cause a kind of hot environment, the chemical reaction of combustion gas is accelerated, also just solve the problem that cutoff is flame-out.
Angle between the tube wall tangent line of described nozzle 2 involute outlet and the tube wall of described combustion tube 1 is sharp angle α, preferably, the angular range of α is 20 ° ~ 30 °, the angular range making the jet direction of combustion gas crossing with the tube wall of described combustion tube is between 20 ° ~ 30 °, the negative pressure of now air-flow generation is the most obvious, drive combustion air through combustion gas air curtain, mixed combustion abundant with it.
The present invention is mainly used in toasting the ladle of steel mill and being incubated.The present invention changes the jet direction of combustion gas by the structural design that described arc path transfer body valve and nozzle involute export, the air curtain closed is produced at jet orifice, the jet direction angular range crossing with the tube wall of described combustion tube is between 20 ° ~ 30 °, the negative pressure of now air-flow generation is the most obvious, the combustion air in described air hose 5 is driven to pass combustion gas air curtain, mixed combustion abundant with combustion gas, the speed that the flue gas burnt completely sprays in burner is high, high-temperature flue gas sprays in ladle with very high speed, just enhance flue gas recirculation and heat transfer in ladle bag, thus accelerate ladle baking programming rate, shorten the heat time.Solve the problem that traditional burner flame impulsive force is poor, the heat time is long.After testing, the carbon monoxide content in discarded is less than 1.5ppm, minimum to ambient influnence, average fuel saving more than 30%, and baking time shortens about 25%, is a kind of desirable apparatus for baking.
It not only solves in current ladle baking process, the blast furnace gas of low heating value is not easily lighted under normal temperature state, the problem of easily cutoff extinguishing, and solve flame and be short of power, resistance is large, the problems such as gas-fired is incomplete, have rational in infrastructure, easy to use, combustion gas rationally can be mixed in proportion with combustion air, automatically light under normal temperature state and keep the advantages such as burning completely.
Described embodiment is preferred embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (5)
1. the Novel burner nozzle with arc body fluidic device, it is characterized in that, comprise combustion tube (1), nozzle (2), arc body fluidic device, air hose (5), Gas Pipe (6), temperature sensor (11) and controller (12);
Described nozzle (2) is for being provided with the streamline cavity body structure of import and outlet, the import of described nozzle (2) is fixedly connected with described Gas Pipe (6), the outlet of described nozzle (2) extends in the rear end of described combustion tube (1), and the front end of described combustion tube (1) is flame export; The outlet of described nozzle (2) is bore involute structure;
Described arc body fluidic device comprises path transfer valve hand wheel (3), path transfer valve operating rod (4) and arc path transfer valve body (7); Arc path transfer valve body (7) is positioned at the exit of described nozzle (2), the bottom of described path transfer valve operating rod (4) is fixedly connected with described arc path transfer valve body (7), top passes described nozzle (2) and is fixedly connected with described path transfer valve hand wheel (3), and the partial threads that described path transfer valve operating rod (4) contacts with described nozzle (2) connects;
The upper end of described air hose (5) is fixedly connected with the outer wall of described nozzle (2), lower end is fixedly connected with the rear end outer wall of described combustion tube (1), form annular space A (8) between the outer tube wall of described air hose (5) inner tubal wall and described combustion tube (1), form annular space B (13) between described combustion tube (1) inner tubal wall and the outer tube wall of described nozzle (2), described annular space A (8) is connected with described annular space B (13);
Described Gas Pipe (6) is provided with Gas Pipe automatic regulating valve (10); Described temperature sensor (11) is positioned at the exit of described nozzle (2);
Described controller (12) is electrically connected with described Gas Pipe automatic regulating valve (10) and temperature sensor (11) respectively;
Described temperature sensor (11) is for gathering the temperature signal in described combustion tube (1), and temperature signal being sent to described controller (12), described controller (12) controls the aperture of described Gas Pipe automatic regulating valve (10) according to described temperature signal.
2. the Novel burner nozzle of band arc body fluidic device according to claim 1, is characterized in that, also fixedly mounts automatic ignition device (9) in described combustion tube (1); Described automatic ignition device (9) is positioned at described nozzle (2) exit;
Described controller (12) is electrically connected with described automatic ignition device (9), and described controller (12) controls described automatic ignition device (9) igniting.
3. the Novel burner nozzle of band arc body fluidic device according to claim 1, is characterized in that, the length of described combustion tube (1) is greater than 2 times that described nozzle (2) is positioned at described combustion tube (1) inner length.
4. the Novel burner nozzle of band arc body fluidic device according to claim 1, it is characterized in that, angle between the tube wall tangent line of described nozzle (2) involute outlet and described combustion tube (1) tube wall is the angular range of α, α is 20 ° ~ 30 °.
5. the Novel burner nozzle of band arc body fluidic device according to claim 1, is characterized in that, described temperature sensor (11) is thermocouple temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510856610.6A CN105509052B (en) | 2015-11-30 | 2015-11-30 | A kind of burner with arc body fluidic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510856610.6A CN105509052B (en) | 2015-11-30 | 2015-11-30 | A kind of burner with arc body fluidic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105509052A true CN105509052A (en) | 2016-04-20 |
| CN105509052B CN105509052B (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510856610.6A Active CN105509052B (en) | 2015-11-30 | 2015-11-30 | A kind of burner with arc body fluidic device |
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| Country | Link |
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| CN (1) | CN105509052B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631036A (en) * | 2019-01-14 | 2019-04-16 | 唐山亿昌热能科技有限公司 | The combustion method and matched combustion head and burner of a kind of ultralow nitrogen oxides |
| CN111664471A (en) * | 2020-07-07 | 2020-09-15 | 兖矿集团有限公司 | Indirect ignition preheating system |
| CN112696672A (en) * | 2020-12-25 | 2021-04-23 | 清华大学 | Combustion tube and low-nitrogen combustor with same |
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| CN103816801A (en) * | 2014-03-03 | 2014-05-28 | 东南大学 | Eddy-current opposite-impacting type gas mixer arranged in gas passage |
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| JPS57105609A (en) * | 1980-12-22 | 1982-07-01 | Matsushita Electric Ind Co Ltd | Combustion device of liquid fuel |
| CN1100790A (en) * | 1993-09-22 | 1995-03-29 | 里克博士工业热工技术有限公司 | Gas burner |
| CN1098489A (en) * | 1994-07-01 | 1995-02-08 | 浙江大学 | Coal-powder boiler adjustable concentration low load automatic stable burning and slag-bonding protective device |
| CN2474535Y (en) * | 2001-03-30 | 2002-01-30 | 中国科学院化工冶金研究所 | Tetra coproduction device of cyclic fluidized hydrocarbon solid fuel |
| CN201059561Y (en) * | 2007-06-28 | 2008-05-14 | 王志祥 | Coal gas and combustion air double regulated internal-burning type gas burner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631036A (en) * | 2019-01-14 | 2019-04-16 | 唐山亿昌热能科技有限公司 | The combustion method and matched combustion head and burner of a kind of ultralow nitrogen oxides |
| CN109631036B (en) * | 2019-01-14 | 2023-08-25 | 唐山亿昌热能科技有限公司 | Combustion method of ultralow nitrogen oxides, matched combustion head and combustion device |
| CN111664471A (en) * | 2020-07-07 | 2020-09-15 | 兖矿集团有限公司 | Indirect ignition preheating system |
| CN111664471B (en) * | 2020-07-07 | 2022-03-15 | 兖矿集团有限公司 | Indirect ignition preheating system |
| CN112696672A (en) * | 2020-12-25 | 2021-04-23 | 清华大学 | Combustion tube and low-nitrogen combustor with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105509052B (en) | 2018-11-09 |
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