CN204943490U - Heat-accumulating burner - Google Patents
Heat-accumulating burner Download PDFInfo
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- CN204943490U CN204943490U CN201520658257.6U CN201520658257U CN204943490U CN 204943490 U CN204943490 U CN 204943490U CN 201520658257 U CN201520658257 U CN 201520658257U CN 204943490 U CN204943490 U CN 204943490U
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- gas
- regenerator
- igniter
- heat
- igniting
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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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- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
The utility model relates to a kind of heat-accumulating burner, comprises combustion chamber, regenerator, exhaust gas nozzle and igniting jet pipe, and combustion chamber one end open forms spout, and the other end is communicated with regenerator, is provided with heat storage in regenerator; Exhaust gas nozzle is sheathed on outside igniting jet pipe, and exhaust gas nozzle is arranged in regenerator, and stretches in combustion chamber; Gas outlet and igniter gas outlet are all positioned at combustion chamber.Igniter gas and main combustion gas separate by this heat-accumulating burner, igniting combustion gas and igniting air-pressure stable, and igniting is reliable, not easily stop working, the problems such as low-temperature ignition difficulty can be solved in prior art, thus does not need to arrange igniter burner kept burning day and night, save combustion gas, reduce production cost.
Description
Technical field
The utility model relates to a kind of heat-accumulating burner.
Background technology
At present, because heat-accumulating burner needs frequent switching, ubiquity low-temperature ignition difficulty and the incomplete situation of low-temperature burning.Usual solution arranges special igniter burner kept burning day and night on heat-accumulating burner side.For small-sized heat-accumulating burner, the gas proportion of igniter burner waste kept burning day and night is too large; If igniter burner kept burning day and night is too little, easily stop working when furnace pressure fluctuates.
Therefore be necessary to design a kind of heat-accumulating burner, to overcome the problems referred to above.
Utility model content
The utility model embodiment relates to a kind of heat-accumulating burner, at least can solve the segmental defect of prior art.
The utility model embodiment relates to a kind of heat-accumulating burner, comprise combustion chamber, regenerator, exhaust gas nozzle and igniting jet pipe, described combustion chamber one end open forms spout, the other end is communicated with described regenerator, described regenerator is provided with combustion air inlet away from the side of described combustion chamber, is provided with heat storage in described regenerator; Described exhaust gas nozzle is sheathed on outside described igniting jet pipe, and described exhaust gas nozzle and described igniting jet pipe are all arranged in described regenerator, and all stretch in described combustion chamber; Described exhaust gas nozzle is provided with fuel gas inlet and gas outlet, described igniting jet pipe is provided with igniter gas entrance, igniter gas outlet and igniter, described gas outlet and the outlet of described igniter gas are all positioned at described combustion chamber, described fuel gas inlet, described igniter gas entrance and described igniter are all positioned at outside described regenerator, and described igniter is between described igniter gas entrance and described regenerator.
As one of embodiment, described combustion chamber comprises converging transition, and described converging transition reduces gradually along gas circulating direction area of section, and described gas outlet is positioned at described converging transition and the light section end of close described converging transition.
As one of embodiment, the end that described exhaust gas nozzle is positioned at described combustion chamber is blind end, and described gas outlet comprises multiple gas jet orifice, and multiple described gas jet orifice interval on the tube wall of described exhaust gas nozzle is arranged.
As one of embodiment, multiple described gas jet orifice is divided into many group spray orifice groups, and each described gas jet orifice often organizing described spray orifice group is circular layout along the tube wall of described burner nozzle.
As one of embodiment, the axis of each described gas jet orifice is the radial direction of described exhaust gas nozzle.
As one of embodiment, described igniter gas entrance comprises igniting fuel gas inlet and igniting air intake.
As one of embodiment, described exhaust gas nozzle and described igniting jet pipe include the low-temperature zone and high temperature section that set gradually along gas circulating direction, and described low-temperature zone is stainless steel tube, and described high temperature section is silicon carbide body.
As one of embodiment, described heat storage is ceramic honeycomb body, and the cross sectional shape perpendicular to gas circulating direction of described heat storage is circular or rectangle.
As one of embodiment, there is in described regenerator air chamber and thermal, described air chamber and described thermal set gradually along gas circulating direction and interconnect, and described heat storage is located in described thermal, and described combustion air inlet is located on regenerator wall corresponding to described air chamber.
As one of embodiment, described igniting jet pipe is provided with sight glass or flame detector away from one end of described combustion chamber.
The utility model embodiment at least achieves following beneficial effect: igniter gas and main combustion gas separate by this heat-accumulating burner, igniting combustion gas and igniting air-pressure stable, igniting is reliable, not easily stop working, the problems such as low-temperature ignition difficulty can be solved in prior art, thus do not need to arrange igniter burner kept burning day and night, save combustion gas, reduce production cost.
The utility model embodiment also has following beneficial effect: this regenerator burner adopts converging transition, adopt the multiple gas jet orifices be circular layout as gas outlet simultaneously, gas outlet is positioned at the position that converging transition will be retracted to minimum sectional area, both be conducive to that combustion gas is full and uniform with combustion air immediately to be mixed, be unlikely to again combustion gas is burnt completely in combustion chamber, cause this burner thermo-field thoery, affect service life.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the heat-accumulating burner that Fig. 1 provides for the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
As Fig. 1, the utility model embodiment provides a kind of heat-accumulating burner, comprise combustion chamber 1, regenerator 4, exhaust gas nozzle 6 and igniting jet pipe 5, described combustion chamber 1 one end open forms spout (not shown), the other end is communicated with described regenerator 4, described regenerator 4 is provided with combustion air inlet 7 away from the side of described combustion chamber 1, is provided with heat storage 3 in described regenerator 4; Described exhaust gas nozzle 6 is sheathed on outside described igniting jet pipe 5, and described exhaust gas nozzle 6 and described igniting jet pipe 5 are all arranged in described regenerator 4, and all stretches in described combustion chamber 1; Described exhaust gas nozzle 6 is provided with fuel gas inlet 10 and gas outlet (not shown), described igniting jet pipe 5 is provided with igniter gas entrance 11, igniter gas outlet (not shown) and igniter 8, described gas outlet and the outlet of described igniter gas are all positioned at described combustion chamber 1, described fuel gas inlet 10, described igniter gas entrance 11 and described igniter 8 are all positioned at outside described regenerator 4, and described igniter 8 is between described igniter gas entrance 11 and described regenerator 4.Wherein, spout is also as combustion product gases entrance, and combustion air inlet 7 also exports as combustion product gases; Combustion chamber 1 and regenerator 4 are all preferably cylindrical or cuboid chamber, and the two coaxially splices; Exhaust gas nozzle 6 and igniting jet pipe 5 coaxial package, and pass heat storage 3 along the axis of regenerator 4.Heat storage 3 preferably adopts ceramic honeycomb body, and the cross sectional shape perpendicular to gas circulating direction of heat storage 3 is circular or rectangle, and sectional dimension is mated with the sectional dimension of regenerator 4, thus heat storage 3 is flush-mounted in regenerator 4.Described regenerator 4 preferably has air chamber and thermal, described air chamber and described thermal set gradually along gas circulating direction and interconnect, described heat storage 3 is located in described thermal, and described combustion air inlet 7 is located on described air chamber corresponding regenerator 4 wall; The velocity of liquid assets that air chamber can improve air in regenerator 4 is left in regenerator 4.Above-mentioned fuel gas inlet 10, igniter gas entrance 11 and igniter 8 are all positioned at outside regenerator 4, and refer to and be positioned at the outdoor of regenerator 4 away from side, combustion chamber 1, namely igniter 8 is positioned at normal temperature region; This igniter 8 can adopt spark plug.Igniting jet pipe 5 is provided with sight glass 9 or flame detector 9 away from one end of combustion chamber 1, can Real-Time Monitoring ignition conditions.
As a kind of preferred structure of the present embodiment, described combustion chamber 1 comprises converging transition (not shown), described converging transition reduces gradually along gas circulating direction area of section, and described gas outlet is positioned at described converging transition and the light section end of close described converging transition.As Fig. 1, combustion chamber 1 comprises a converging transition, the big cross section end of this converging transition is connected with regenerator 4 and communicates, and the small end face end of this converging transition extends to form forward a flat segments along gas circulating direction, and namely this flat segments forms described spout away from the one end open of described converging transition.The end that exhaust gas nozzle 6 is positioned at combustion chamber 1 is blind end, and described gas outlet comprises multiple gas jet orifice 2, and multiple gas jet orifice 2 interval on the tube wall of exhaust gas nozzle 6 is arranged.Multiple gas jet orifice 2 can be irregular distribution on the tube wall of exhaust gas nozzle 6, but can cause the combustion gas skewness in each region in converging transition, affects combustion efficiency, causes burning uneven insufficient.Therefore, preferably, in the following way: multiple described gas jet orifice 2 is divided into many group spray orifice groups, each described gas jet orifice 2 often organizing described spray orifice group is circular layout along the tube wall of described burner nozzle; Further, the axis of each gas jet orifice 2 is the radial direction of exhaust gas nozzle 6.Adopt the gas outlet arrangement of as above structure, the combustion gas entering each region of converging transition can be made to be evenly distributed, thus be conducive to main combustion gas and mix with the full and uniform of combustion air, ensure sufficient combustion.Adopt converging transition, can gas flow rate be increased; Gas outlet is positioned at the position that converging transition will be retracted to minimum sectional area, has both been conducive to mixing of combustion gas and combustion air, and has been unlikely to again combustion gas is burnt completely in combustion chamber 1, causes this burner thermo-field thoery, affect service life.In addition, igniter gas outlet is located at igniting jet pipe 5 and is positioned on the end of combustion chamber 1, and jet pipe 5 of namely lighting a fire is positioned at the described igniter gas outlet of open-ended formation of combustion chamber 1; The end that igniting jet pipe 5 and exhaust gas nozzle 6 are positioned at combustion chamber 1 is preferably concordant setting, is convenient to equipment making; Certainly, also can not concordant setting, now this igniter gas outlet then needs to stretch out outside exhaust gas nozzle 6, but still is arranged in converging transition as good.
As Fig. 1, described exhaust gas nozzle 6 and described igniting jet pipe 5 include the low-temperature zone and high temperature section that set gradually along gas circulating direction, described low-temperature zone is stainless steel tube, described high temperature section is silicon carbide body, low-temperature zone adopts stainless steel tube can improve the structural strength of body, being convenient to exhaust gas nozzle 6 is located in regenerator 4, and high temperature section adopts silicon carbide material can improve the service life of equipment.In the present embodiment, combustion chamber 1 and regenerator 4 are preferably and adopt integrative-structure to form burner body, and this burner body is hollow structure, and internal cavity is separated to form the inner chamber into above-mentioned regenerator 4 and combustion chamber 1 along gas circulating direction.Corresponding to the high temperature section of above-mentioned exhaust gas nozzle 6, the housing of this burner body adopts castable or silicon carbide material; Corresponding to the low-temperature zone of above-mentioned exhaust gas nozzle 6, the housing of this burner body adopts stainless steel.This burner body can be arranged in furnace wall completely, but also some is outside furnace wall, and the part now outside furnace wall needs to configure Insulation.
The operation principle of this heat-accumulating burner is as follows: this heat-accumulating burner adopts Sandwich pipeline, and igniter gas (mixture of igniting combustion gas and igniting air) walked by central tube, and interlayer walks main combustion gas; Main combustion gas sprays from the multiple gas jet orifices 2 tube wall of interlayer pipe, fully mixes with combustion air, is convenient to burn completely.During igniting, the fuel gas inlet 10 of exhaust gas nozzle 6 and the igniter gas entrance 11 of igniting jet pipe 5 are opened simultaneously; After having put fire, by closed electromagnetic valve igniter gas supply line, namely close above-mentioned central tube.After igniter gas and main combustion gas are separated, igniting combustion gas and igniting air-pressure stable, igniting is reliable; Because igniter gas service time only had for 1 second, combustion gas of therefore lighting a fire suitably large (its total consumption is still little), can improve ignition effectiveness and success rate, effectively solves the problem of ignition difficulties.Due to the plug ignition time short (0.1 second), there is not the problem of sooting of the spark plug yet.Igniter gas can prepare in advance, also can prepare on the spot in igniting jet pipe 5; For situation about preparing in advance, igniting jet pipe 5 only arranges a gas access, now, by this igniter 8 inlet connection points internal heat supply line, the mist of the igniting combustion gas that this igniter gas supply line supply prepares and igniting air; For situation about preparing on the spot in igniting jet pipe 5, two gas accesses need be set on igniting jet pipe 5, namely described igniter gas entrance 11 comprise igniting fuel gas inlet and igniting air intake, igniting combustion gas and igniting air respectively by for entrance access points fire-fighting pipe 5 in hybrid reaction.The security of system prepared on the spot in igniting jet pipe 5 is higher, but the igniter gas prepared on the spot is owing to mixing inequality, and ratio is not best, needs the power of ignition transformer large a bit (more than 25W).
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a heat-accumulating burner, comprise combustion chamber, regenerator, exhaust gas nozzle and igniting jet pipe, it is characterized in that: described combustion chamber one end open forms spout, the other end is communicated with described regenerator, described regenerator is provided with combustion air inlet away from the side of described combustion chamber, is provided with heat storage in described regenerator; Described exhaust gas nozzle is sheathed on outside described igniting jet pipe, and described exhaust gas nozzle and described igniting jet pipe are all arranged in described regenerator, and all stretch in described combustion chamber; Described exhaust gas nozzle is provided with fuel gas inlet and gas outlet, described igniting jet pipe is provided with igniter gas entrance, igniter gas outlet and igniter, described gas outlet and the outlet of described igniter gas are all positioned at described combustion chamber, described fuel gas inlet, described igniter gas entrance and described igniter are all positioned at outside described regenerator, and described igniter is between described igniter gas entrance and described regenerator.
2. heat-accumulating burner according to claim 1, it is characterized in that: described combustion chamber comprises converging transition, described converging transition reduces gradually along gas circulating direction area of section, and described gas outlet is positioned at described converging transition and the light section end of close described converging transition.
3. heat-accumulating burner according to claim 2, it is characterized in that: the end that described exhaust gas nozzle is positioned at described combustion chamber is blind end, described gas outlet comprises multiple gas jet orifice, and multiple described gas jet orifice interval on the tube wall of described exhaust gas nozzle is arranged.
4. heat-accumulating burner according to claim 3, is characterized in that: multiple described gas jet orifice is divided into many group spray orifice groups, and each described gas jet orifice often organizing described spray orifice group is circular layout along the tube wall of described burner nozzle.
5. the heat-accumulating burner according to claim 3 or 4, is characterized in that: the axis of each described gas jet orifice is the radial direction of described exhaust gas nozzle.
6. heat-accumulating burner according to claim 1, is characterized in that: described igniter gas entrance comprises igniting fuel gas inlet and igniting air intake.
7. heat-accumulating burner according to claim 1, it is characterized in that: described exhaust gas nozzle and described igniting jet pipe include the low-temperature zone and high temperature section that set gradually along gas circulating direction, described low-temperature zone is stainless steel tube, and described high temperature section is silicon carbide body.
8. heat-accumulating burner according to claim 1, is characterized in that: described heat storage is ceramic honeycomb body, and the cross sectional shape perpendicular to gas circulating direction of described heat storage is circular or rectangle.
9. the heat-accumulating burner according to claim 1 or 8, it is characterized in that: there is in described regenerator air chamber and thermal, described air chamber and described thermal set gradually along gas circulating direction and interconnect, described heat storage is located in described thermal, and described combustion air inlet is located on regenerator wall corresponding to described air chamber.
10. heat-accumulating burner according to claim 1, is characterized in that: described igniting jet pipe is provided with sight glass or flame detector away from one end of described combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658257.6U CN204943490U (en) | 2015-08-28 | 2015-08-28 | Heat-accumulating burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658257.6U CN204943490U (en) | 2015-08-28 | 2015-08-28 | Heat-accumulating burner |
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| Publication Number | Publication Date |
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| CN204943490U true CN204943490U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520658257.6U Active CN204943490U (en) | 2015-08-28 | 2015-08-28 | Heat-accumulating burner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543085A (en) * | 2022-02-21 | 2022-05-27 | 四川铭能科技开发有限公司 | Burner nozzle adaptable to various gas fuels |
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2015
- 2015-08-28 CN CN201520658257.6U patent/CN204943490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543085A (en) * | 2022-02-21 | 2022-05-27 | 四川铭能科技开发有限公司 | Burner nozzle adaptable to various gas fuels |
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