CN104456568B - Regenerative burner and working method thereof - Google Patents
Regenerative burner and working method thereof Download PDFInfo
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- CN104456568B CN104456568B CN201410760714.2A CN201410760714A CN104456568B CN 104456568 B CN104456568 B CN 104456568B CN 201410760714 A CN201410760714 A CN 201410760714A CN 104456568 B CN104456568 B CN 104456568B
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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
- F23D14/66—Preheating the combustion air or gas
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention provides a regenerative burner. The regenerative burner comprises an air cavity, a heat storage cavity, a fuel gas cavity and an electronic ignition rod, wherein an air connector is arranged on the air cavity; the heat storage cavity is filled with a heat storage body; one end of the heat storage cavity is provided with an opening and is connected with the air cavity; a small fire fuel gas connector, a big fire fuel gas connector and an inert gas connector are arranged on the fuel gas cavity; the fuel gas cavity is also connected with a delivery pipeline; the delivery pipeline sequentially penetrates in the air cavity and the heat storage cavity and extends to an opening in the other end of the heat storage cavity; one end of the electronic ignition rod is connected with an igniter; and the other end of the electronic ignition rod penetrates in the fuel gas cavity and is arranged at a position of the opening in the other end of the heat storage cavity along the delivery pipeline. In each upper half period of the regenerative burner, small fire fuel gas, big fire fuel gas and inert gas are blasted sequentially. The regenerative burner is simple in structure and convenient to manufacture; the problem that fuel gas remains in a pipe and the burner in a switching process is solved; the using rate of fuels is increased; the service life of the heat storage body is prolonged; and an automatic flow adjusting valve is arranged on the fuel gas pipeline, so that burning flame can be automatically adjusted in an online manner according to requirements of a manufacturing technique.
Description
Technical field
The present invention relates to heat storage type combustion design field, more particularly to a kind of heat-accumulating burner and its method of work.
Background technology
Regenerative combustion technology is a kind of new combustion of energy-conserving and environment-protective that the nineties in 20th century, developed country started to promote
Technology, gradually at home steel industry starts popularization and application within 2000 or so, and fuel is made in high temperature oxygen deprivation using smoke pre-heating
Fully burn under atmosphere, on the other hand the utilization rate of fuel on the one hand improving reduces the generation of nitrogen oxides, have received
Good economical and environmentally friendly benefit.Regenerative combustion technology of the current application on ladle baking facility be with Dual-regeneration type burner
It is main, he the characteristics of be that compact conformation floor space is little, make simultaneously uncomplicated, significantly, can typically save fuel makes energy-saving effect
Used in 25%-35%, even more high.Heat accumulating type baking technology generally comprises following critical piece:
Air feed exhaust system:It is made up of aerator, air-introduced machine, pipeline, control valve etc.;
Burner:General to be used from two burner pairings, alternately air draft and burning is used;
Heat storage:Play a part of accumulation of heat and preheated air, general and burner is applied in combination, compact conformation;
Reversal valve:Commutation effect is provided for combustion air, makes two burners can be with alternate combustion and accumulation of heat;
Other equipment:Including fire defector, fuel gas detection, electric components, actuator, pneumatic components and parts, machine
Tool Lift Part, temperature probe etc..
But regenerative combustion technology existing problems in prior art:
1st, burner and regenerator converting interface reduce burner service life due to easily being cracked by huge difference variation;
Burner flue gas when heat accumulation function is done is easily accessible burner and produces condensation, causes burner oxide etch;
2nd, commutate Vavle switching when pipeline residual coal gas cannot burn, emptying, enter during heat storage accumulation of heat in burner and store
Hot burning in vivo, causes the heat storage localized hyperthermia in burner to ftracture, while imperfect combustion coal gas enters air with flue gas
Cause to waste and pollute environment;
3rd, the heat storage in burner runs under the operating mode for heating repeatedly and cooling down, in the huge temperature difference and the work of high frequency conversion
With under, it is easy to embrittlement, broken and deformation etc., gas channel is caused to block, the pressure loss is increased, in certain temperature and atmosphere
It is lower oxidation to occur and corrodes, gas passage can be blocked, increase circulating resistance.
The content of the invention
In order to solve the above problems, the invention provides a kind of heat-accumulating burner, includes:
Air chamber, is provided with air interface;
Thermal, both ends open, the accumulation of heat intracavity is filled with heat storage, the one end open of the thermal and the sky
Air cavity is connected;
Gas chamber, is provided with small fire combustion gas interface and big fire combustion gas interface, and the small fire combustion gas interface and big fire combustion gas connect
Mouth connects respectively small fire burning line and big fire burning line;The gas chamber is also associated with a transfer line, the transfer tube
Line is sequentially passed through at the opening of the air chamber and thermal to the thermal other end;
Igniter, one end connection lighter, the other end is arranged to institute through transfer line described in the gas chamber tailing edge
State at the opening of the thermal other end.
It is preferred that being additionally provided with inert gas interface in the gas chamber, the inert gas interface connects noble gases
Pipeline, noble gases enter the gas chamber by the inert gas interface.
It is preferred that the noble gases adopt nitrogen.
It is preferred that being provided with automatic flow control valve on the big fire burning line.
It is preferred that being provided with metal perforated plate on another end opening of the thermal.
It is preferred that the heat storage adopts the cellular heat storage of bulk ceramics.
It is preferred that the transfer line is made using heat-resisting, corrosion resistant steel.
It is preferred that being provided with light fire hole and/or flame detector in the gas chamber.
Present invention also offers a kind of method of work of heat-accumulating burner, heat-accumulating burner heat accumulating type as above
Burner, its method of work is comprised the following steps:
Step one, outside air is input to air intracavity by air interface, and the air of air intracavity flows through heat storage simultaneously
High temperature air is preheated to, it is indoor that high temperature air is drained into burning from the outlet of the thermal other end;
Step 2, opens small fire burning line so that a small amount of combustion gas sequentially passes through small fire combustion gas interface, gas chamber, transmission
Burning is blown into after pipeline, the outlet of the thermal other end indoor;Meanwhile, the ignition device is realized to the Indoor Air that burns
The igniting of body;
Step 3, closes small fire burning line after time t1, before this in advance 1s opens big fire burning line so that big
The combustion gas of amount to be sequentially passed through and be blown into burning Indoor Combustion after big fire combustion gas interface, transfer line, the outlet of the thermal other end;
Step 4, closes big fire burning line after time t2, open inert gas pipeline so that noble gases are blown over successively
Inert gas interface, gas chamber and transfer line;Close inert gas pipeline after time t3, and keep small fire burning line, big
Fiery burning line and inert gas pipeline shut-in time t4;
Step 5, repeat the above steps two, three, four, until burner completes.
It is preferred that time t1 takes 3s, time t2 takes 20s, and time t3 takes 2s, and the time, t4 took 25s.
The present invention compared with prior art, has the following advantages that and actively imitates due to using above technical scheme, being allowed to
Really:
(1)The heat-accumulating burner that the present invention is provided is designed using new construction, and burner is designed as into three cavitys, is respectively fired
Air cavity, air chamber, thermal, and big fire combustion gas, small fire combustion gas, the shared transfer line of noble gases, relative to existing skill
Burner big fire combustion gas and small fire combustion gas in art is respectively arranged with the scheme of respective transmission pipeline, and a pipeline is only needed in the present invention
Igniting, two steps of normal combustion can be completed, the structure of burner is simplified, is easy to manufacture;
(2)The heat-accumulating burner that the present invention is provided, increased the setting of inert gas interface, be blown before commutation terminates
Sweep, the remaining combustion gas in burner and pipeline is purged out into burning, it is to avoid energy waste and pollution environment;Nitrogen purging is also helped
Condensed water is formed in avoiding high-temperature flue gas from entering low temperature gas pipeline, the crystallization obstruction pipeline on gas pipeline wall.
(3)The heat-accumulating burner that the present invention is provided, adds automatic flow adjusting control valve on big fire burning line, online certainly
The dynamic coal sky mixing ratio that adjusts is to meet requirement of the different process to temperature.
Description of the drawings
With reference to accompanying drawing, by hereafter state detailed description, can be more clearly understood that the present invention above-mentioned and other feature and
Advantage, wherein:
The sectional view of the heat-accumulating burner that Fig. 1 is provided for the present invention;
The side view of the heat-accumulating burner that Fig. 2 is provided for the present invention;
Fig. 3 is combustion gas of the present invention, nitrogen, air pipe line connection figure;
Fig. 4 is the flow chart that the present invention is used in regenerative combustion system;
Fig. 5 is the present invention in half period(As a example by 25 seconds)The large and small combustion gas of interior burner and nitrogen service time figure.
Symbol description:
1- gas chambers
2- air chambers
3- transfer lines
4- thermals
5- heat storages
6- metal perforated plates
7- electronic ignition levers
8- flame detectors
9- sees burner
101- big fire combustion gas interfaces
102- small fire combustion gas interfaces
103- inert gas interfaces
201- air interfaces
Specific embodiment
Referring to the accompanying drawing for illustrating the embodiment of the present invention, the present invention is described in more detail.However, the present invention can be with
Many multi-forms realize, and should not be construed as and limited by the embodiment for herein proposing.Conversely, proposing that these embodiments are
In order to reach abundant and complete disclosure, and those skilled in the art are made to understand the scope of the present invention completely.These are attached
In figure, for clarity, the size and relative size in layer and region is may be exaggerated.
Regenerative combustion technology is, by air preheat, to generate high temperature air and spurt into burning interior, maintains hypoxia, together
When deliver fuel in air-flow, produce burning.Air(Gaseous fuel)Preheating temperature to 800 DEG C~more than 1000 DEG C, burning
21%~2%, compared with traditional combustion process, the maximum feature for improving air themperature burning is to save combustion to area's oxygen content in air
Material, reduces the discharge of CO2 and NOX and reduces combustion noise.The use of heat-accumulating burner is the vitals for realizing this target,
Burner is generally employed in pairs, and by one of burner, for burning after being heated, another burner discharges cigarette to combustion air
Gas, while heat storage is heated.When reversal valve commutates, system reverse runs, and before the heat storage of high temperature is used for plus hot-air,
The heat storage of combustion air cooling is then heated by high-temperature flue gas, and the flue gas finally discharged only has 150~200 DEG C, air preheat temperature
1000 DEG C or so of degree, switching valve works at low temperature, while the blower fan for discharging burning waste gas also works at low temperature.At present certainly
The design species of body heat-accumulating burner has a lot, but there are problems that, such as burner and regenerator converting interface crackle, burner
Service life is short, during switching the problems such as pipeline residual combustion gas.
In with reference to Fig. 1-2, the invention provides a kind of heat-accumulating burner, of the invention by simplifying nozzle structure, in order to
Make, while improve accumulation of heat effect;It is residual in pipeline and burner in handoff procedure by for the optimization of combustion process, solving
The problem of combustion gas is stayed, the utilization rate of fuel is improved, extends the service life of heat storage;By increasing automatic flow in gas pipeline
Regulating valve, allows combustion flame according to the on-line automatic regulation of manufacturing technique requirent.
Specifically, the heat-accumulating burner includes 4 points of gas chamber 1, air chamber 2 and thermal 4, gas chamber 1 and thermal
The both sides shape for not being arranged on air chamber 2 is integral.Wherein, the upper end of air chamber 2 is provided with air interface 201, and extraneous air leads to
Cross air interface 201 to be transported in air chamber 2.The both ends open of thermal 4, the side relative with thermal 4 of air chamber 2 is provided with
Opening, the opening of the one end of thermal 4 is connected and communicates with the opening of the side of air chamber 2;Heat storage 5 is filled with thermal 4, it is empty
Air in air cavity 2 enters thermal 4, and when heat storage 5, air is added by the heat that heat storage 5 was stored within the last cycle
Heat is into high temperature air, and it is indoor that high temperature air blows into burning by another end opening of thermal 4;In the present embodiment heat storage 5 is excellent
Choosing is made using the cellular heat-storing material of bulk ceramics, and heat storage 5 can be avoided because of gas using overall version
The fricting resistance loss produced during by honeycomb channels, especially when two pieces of honeycomb ceramics interfaces are flowed through because circulation area is prominent
Becoming may occur staggeredly to produce local resistance loss and each passage between.Gold is connected with another end opening of thermal 4
Category orifice plate 6, for other refractory materials that existing burner is adopted, the metal perforated plate 6 that the present invention is provided is firmer, resistance to
Orifice plate at high temperature, effectively solving burner and combustor converting interface due to the problem easily cracked by huge difference variation,
Extend the service life of burner.
In the present embodiment, big fire combustion gas interface 101 and small fire combustion gas interface 102 are provided with gas chamber 1, are connected respectively
Big fire burning line and small fire burning line, wherein combustion gas can be restricted herein using coal gas etc., and small fire combustion gas plays igniting and makees
With big fire combustion gas is used when being normal work.Wherein, automatic flow control valve is provided with big fire burning line, according to production
Need on-line automatic adjustment of combustion gas flow;Specifically, burning interior is provided with measuring apparatus, such as in-furnace temperature probe equipment,
Actual temperature is fed back to PLC by in-furnace temperature detection probe, and PLC passes through flow control valve regulating gas according to production design temperature
Supply, to reach production technology design temperature requirement, so as to realize that the indoor flame of burning is adjusted online according to manufacturing technique requirent
The effect of section.
A transfer line 3, the one end of transfer line 3 and gas chamber 1 are connected with the side relative with air chamber 2 of gas chamber 1
It is connected, the other end is sequentially passed through at the opening of air chamber 2 and thermal 4 to the other end of thermal 4;Transfer line 3 is preferred
It is arranged in heat storage 5 in the heart, compared with pipeline side entering type burner in prior art, the present invention has storage to this setup
The advantage that hot chamber 4 is easy to process, burner is easily assembled to and overhauls;It is input into by big fire combustion gas interface 101 and small fire combustion gas interface 102
Combustion gas be transported at the opening of the other end of thermal 4 by transfer line 3, and it is indoor to blow into burning, with the sky after preheating
Gas burns;Wherein, transfer line 3 is made using heat-resisting, corrosion resisting steel, is conducive to increasing burner service life.Relative to existing
Burner big fire combustion gas and small fire combustion gas in technology is respectively arranged with the scheme of respective transfer line, in the present invention big fire combustion gas and
Small fire combustion gas shares one with transfer conduit, only needs a pipeline to complete igniting, two steps of normal combustion, simplifies burner
Structure, be easy to manufacture.
In the present embodiment, inert gas interface 103, inert gas interface 103 and indifferent gas are additionally provided with gas chamber 1
Body pipeline is connected, and noble gases blow over successively gas chamber 1 and transfer line 3, and the combustion gas remained in burner is blown off;It is wherein lazy
Property gas be preferably nitrogen, nitrogen is of relatively low cost, certainly also may be selected other noble gases, be not restricted herein.This
It is bright that inert gas interface 103 is set in gas chamber 1, nitrogen purge step, purging commutation Vavle switching are added in burn cycle
The combustion gas of residual in Shi Guandao and burner, it is to avoid energy waste and contaminated air, while avoiding combustion gas from entering regenerator and flue gas
The oxygen combustion of middle residual causes heat storage localized hyperthermia damaged;Nitrogen purging is additionally aided and avoids high-temperature flue gas from firing into low temperature
Feed channel forms condensed water, the crystallization obstruction pipeline on gas pipeline wall.
In the present embodiment, the flame detector 8 of flame-observing hole 9, flame-observing hole 9 and transfer line 3 are additionally provided with gas chamber 1
Centrage is relative, in order to from flame-observing hole 9 it can be seen that the intensity of a fire feelings of at another end opening of transfer line 3 and burning interior
Condition;Flame detector 8 is equally used for the intensity of a fire situation at another end opening of automatic detection transfer line 3, when cannot detect fire
During flame, stop fuel gas supply and report to the police, increased the safety of system.
In the present embodiment, heat-accumulating burner also includes igniter, an igniter concretely electronic ignition lever
7, one end connection lighter of electronic ignition lever 7, the other end sequentially passes through gas chamber 1, air chamber 2 and thermal 4 to thermal 4
At the opening of the other end, electronic ignition lever 7 and transfer line 3 close to and arrange along transfer line 3;Big fire combustion gas and small fire combustion gas
An electronic ignition lever 7 is shared, the structure of burner is simplified so that the structure of burner is compacter.
Reference picture 3-4, the heat-accumulating burner provided for the present invention applies to the pipeline connecting figure in regenerative combustion system
And workflow diagram.Two heat-accumulating burners as above, the gas outlet of two burners are provided with regenerative combustion system
End is connected with combustor and connects with another end opening of combustion chamber, i.e. thermal 4.The work of regenerative combustion system
Make process specific as follows:
In the upper half cycle, by adjustable change valve so that air is entered into and preheated in burner 1#, obtain high temperature air quilt
Input carries out burning interior, with the combust of combustion gas one being transfused to;Each burning line of burner 2# and inert gas pipeline are closed
Close, air interface is opened, the indoor flue gas that burns is discharged by burner 2#, by flowing through when burner 2# in burner 2#
Heat storage is heated, until upper half end cycle.The lower half cycle, by adjustable change valve so that air enters into burner 2#
Interior, the heat storage in burner 2# is preheated using the heat that storage is absorbed during the upper half cycle to air, and preheating temperature is to acquisition
High temperature air is transfused to be carried out in combustor, with the combust of combustion gas one being transfused to;Each burning line of burner 1# and inertia
Gas line is closed, and air interface is opened, and the indoor flue gas that burns is discharged by burner 1#, by flowing through when burner 1# pair
Heat storage in burner 1# is heated, so as to complete the work of a cycle.Repeat upper half cycle, the work in lower half cycle
Make process, until combustion process terminates.
The heat-accumulating burner that the present invention is provided, specific work process is as follows in regenerative combustion system:
First, burner job step of burning decomposes as follows:
Outside air is blown into air chamber 2 by aerator by air interface 201, and the air in air chamber 2 flows through accumulation of heat
Body 5 is preheated, and preheating becomes 800-1000 DEG C of high temperature air, and high temperature air is from the outlet of the other end of thermal 4 through metal
Burning is drained into after orifice plate 6 indoor;
Open the valve on small fire burning line so that a small amount of combustion gas enters into gas chamber 1 through small fire combustion gas interface 102
Interior, combustion gas is transported to the outlet of the other end of thermal 4 via transfer line 3 again, and is blown into burning interior and mixes with air;
Simultaneously, the logical electronic ignition lever 7 of initial igniter, realizes the igniting to the indoor gas that burn;
The valve closed on small fire burning line, opens the valve on big fire burning line so that substantial amounts of combustion gas is successively
Burning is transported to after big fire combustion gas interface 101, transfer line 3 indoor, for its normal work;
After a period of time, the valve closed on big fire burning line opens the valve in inert gas pipeline so that inertia
Gas blows over successively gas chamber 1, transfer line 3 by inert gas interface 103, inert gas purge for a period of time after, close lazy
Property gas line on valve, burn burner the course of work terminate.
Wherein, with reference to shown in Fig. 5, half period is to be further detailed as a example by 25s, and small fire combustion gas is circulated first
3s, then leads to big fire combustion gas, closing small fire combustion gas after 1 second, big fire gas circulation 21s,(It is total to small fire combustion gas within wherein the 1st second
It is logical,)Last noble gases circulation 2s.Certainly the distribution of the currency of above-mentioned each gas is a kind of embodiment, also dependent on
Concrete condition is adjusted, and is not restricted herein.
2nd, aerofluxuss burner job step is decomposed as follows:
Big fire combustion gas interface 101, small fire combustion gas interface 102 and inert gas interface 103 on heat-accumulating burner is turned off,
In the presence of blower fan, the high-temperature flue gas in accumulation of heat room are entered in thermal 3 from the opening of the other end of thermal 4, flow through storage
Heat storage 5 is heated when hot body 5;After heat exchange, cooling high-temperature fume to 150-200 DEG C, and from air interface
201 discharge.
In sum, the invention provides a kind of heat-accumulating burner, including:Air chamber, is provided with air interface;Store
Hot chamber, is filled with heat storage in it, one end open is simultaneously connected with air chamber, and little combustion gas interface, big fire are provided with gas chamber
Combustion gas interface and inert gas interface, gas chamber is also associated with a transfer line, and transfer line sequentially passes through air chamber and accumulation of heat
At the opening in chamber to the thermal other end;Electronic ignition lever, one end connection lighter, the other end passes through gas chamber tailing edge transfer tube
Line is arranged to the opening of the thermal other end.The heat-accumulating burner is often gone up and blow first in half period small fire combustion gas, then blows big
Fiery combustion gas, last blown inert gas.Present configuration is simply easy to make, and solves residual in pipeline and burner in handoff procedure
The problem of combustion gas is stayed, the utilization rate of fuel is improved, extends the service life of heat storage;And by increasing stream automatically in burning line
Adjustable valve, allows combustion flame according to the on-line automatic regulation of manufacturing technique requirent.
Those skilled in the art should be understood that the present invention can be implemented without departing from this with many other concrete forms
The spirit or scope of invention.Although having been described for embodiments of the invention, it should be understood that the present invention should not be limited to these embodiments,
Those skilled in the art as made change within spirit and scope of the invention that appended claims are defined and can repair
Change.
Claims (8)
1. a kind of method of work of heat-accumulating burner, it is characterised in that the heat-accumulating burner is included:
Air chamber, is provided with air interface;
Thermal, both ends open, the accumulation of heat intracavity is filled with heat storage, the one end open of the thermal and the air chamber
It is connected;
Gas chamber, is provided with small fire combustion gas interface and big fire combustion gas interface, the small fire combustion gas interface and big fire combustion gas interface point
Lian Jie not small fire burning line and big fire burning line;The gas chamber is also associated with a transfer line, the transfer line according to
At the secondary opening through the air chamber and thermal to the thermal other end;It is additionally provided with noble gases in gas chamber to connect
Mouthful, the inert gas interface connects inert gas pipeline, and noble gases enter the combustion gas by the inert gas interface
Chamber;
Igniter, one end connection lighter, the other end is arranged to the storage through transfer line described in the gas chamber tailing edge
At the opening of the hot chamber other end;
Outside air is input to air intracavity by air interface, and the air of air intracavity flows through heat storage and is preheated to high temperature
Air, it is indoor that high temperature air is drained into burning from the outlet of the thermal other end;First, small fire burning line is opened so that few
Amount combustion gas to be sequentially passed through and be blown into combustor after small fire combustion gas interface, gas chamber, transfer line, the outlet of the thermal other end
It is interior, meanwhile, ignition device realizes the igniting to Interior Space coal mixed gas of burning;Small fire Gas Pipe is closed after a period of time
Line, opens big fire burning line so that substantial amounts of combustion gas sequentially passes through big fire combustion gas interface, transfer line, the thermal other end
Outlet after be blown into burning Indoor Combustion;
The method of work of heat-accumulating burner is comprised the following steps:
Step one, outside air is input to air intracavity by air interface, and the air of air intracavity flows through heat storage and pre-
Heat is into high temperature air, and it is indoor that high temperature air is drained into burning from the outlet of the thermal other end;
Step 2, opens small fire burning line so that a small amount of combustion gas sequentially pass through small fire combustion gas interface, gas chamber, transfer line,
Burning is blown into after the outlet of the thermal other end indoor;Meanwhile, ignition device is realized to the Interior Space coal gaseous mixture that burns
The igniting of body;
Step 3, closes small fire burning line after time t1, open big fire burning line so that substantial amounts of combustion gas is sequentially passed through greatly
Burning Indoor Combustion is blown into after fiery combustion gas interface, transfer line, the outlet of the thermal other end;
Step 4, closes big fire burning line after time t2, open inert gas pipeline so that noble gases blow over successively inertia
Gas interface, gas chamber and transfer line;Inert gas pipeline is closed after time t3, and keeps small fire burning line, big fire combustion
Gas pipeline and inert gas pipeline shut-in time t4;
Step 5, repeat the above steps two, three, four, until burner completes.
2. according to the method for work of the heat-accumulating burner described in claim 1, it is characterised in that time t1 takes 3s, and the time, t2 took
20s, time t3 take 2s, and the time, t4 took 25s.
3. according to the heat-accumulating burner described in claim 1, it is characterised in that the noble gases adopt nitrogen.
4. according to the heat-accumulating burner described in claim 1, it is characterised in that be provided with automatic flow on the big fire burning line
Regulating valve.
5. according to the heat-accumulating burner described in claim 1, it is characterised in that be provided with gold on another end opening of the thermal
Category orifice plate.
6. according to the heat-accumulating burner described in claim 1, it is characterised in that the heat storage adopts the cellular accumulation of heat of bulk ceramics
Body.
7. according to the heat-accumulating burner described in claim 1, it is characterised in that the transfer line is made using heat-resisting, corrosion resistant steel.
8. according to the heat-accumulating burner described in claim 1, it is characterised in that be provided with flame-observing hole and/or fire in the gas chamber
Flame detector.
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CN107166393A (en) * | 2017-07-13 | 2017-09-15 | 广州迪森热能设备有限公司 | Double-regenerative combustor and combustion system |
CN107166390A (en) * | 2017-07-13 | 2017-09-15 | 广州迪森热能设备有限公司 | Double heat storage type burner and combustion furnace system |
CN109737399B (en) * | 2019-01-29 | 2020-01-14 | 邢台鑫鼎热能工程有限公司 | Curtain type heat storage burner for forging heating furnace |
CN109812811A (en) * | 2019-03-07 | 2019-05-28 | 安徽工业大学 | Burner heat pipe-type cooling system |
CN110732661A (en) * | 2019-10-25 | 2020-01-31 | 四川德胜集团钒钛有限公司 | kinds of ladle baking device intelligent control system |
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CN102563653A (en) * | 2012-02-25 | 2012-07-11 | 佛山市科皓燃烧设备制造有限公司 | Automatic-switching heat accumulation type gas burner |
CN103375804B (en) * | 2012-04-24 | 2016-02-17 | 邯郸派瑞节能控制技术有限公司 | Heat-accumulating burner pulse storage hot body self-cleaning system and method |
CN204285470U (en) * | 2014-12-12 | 2015-04-22 | 上海宝钢节能环保技术有限公司 | A kind of heat-accumulating burner |
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