CN202521609U - Multi-functional heat storage type impulse burner - Google Patents
Multi-functional heat storage type impulse burner Download PDFInfo
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- CN202521609U CN202521609U CN2012201126588U CN201220112658U CN202521609U CN 202521609 U CN202521609 U CN 202521609U CN 2012201126588 U CN2012201126588 U CN 2012201126588U CN 201220112658 U CN201220112658 U CN 201220112658U CN 202521609 U CN202521609 U CN 202521609U
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- burner
- heat storage
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- furnace
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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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Abstract
The utility model relates to a multi-functional heat storage type impulse burner. The multi-functional heat storage type impulse burner comprises a metal burner shell, an air inlet pipeline, a plurality of gas inlet pipelines, a heat storage chamber, a baffle brick and a burner brick, wherein the air inlet pipeline is connected with one end of the heat storage chamber; the metal burner shell is arranged outside the heat storage chamber; the baffle brick is arranged in the heat storage chamber; the burner brick is arranged at the other end of the heat storage chamber; and a plurality of gas inlet pipelines extend into the burner brick. The multi-functional heat storage type impulse burner has the following advantages that heat of smoke can be recycled to the maximum extent, the temperature of combustion-supporting air is raised, the energy consumption of industrial furnaces is reduced, and cost is reduced for enterprises; the content of nitrogen oxides in combustion products is reduced, so the pollution level of the smoke to air is reduced greatly; air and gas are controlled to be burned in real time according to a certain ratio by a proportional valve, so fuels can be saved and components of the smoke in a furnace can be controlled accurately, and the heating quality or heat treatment quality of the furnace is improved; the temperature in the furnace can be controlled to change according to a furnace temperature curve accurately and strictly; and the heating uniformity in a hearth of the furnace is improved.
Description
Technical field
The utility model relates to the burner of using on a kind of industrial furnace, relates in particular to a kind of multi-functional heat accumulating type impulse burner.
Background technology
Burner also is burner, is with fuel and air, sends into burner hearth by desired concentration, speed, turbulivity and hybrid mode, and make fuel can be in burner hearth the device of stable ignition and burning.Employed burner kind pattern is a lot of above the domestic various industrial furnace, but with regard to combustion system, domestic more advanced burner has two kinds at present: the one, and pulsed burner, the 2nd, heat-accumulating burner.
The pulsed burner is the accumulative total fuel that a period of time is interior at interval, compares with high speed by giving the air/fuel that mixes up, and through burner, according to the sequential distribution result, carries out fuel combustion.The benefit of burning is like this: under specified gaseous-pressure, calorific value; At the pulse-combustion state; The length of heat content, speed and the thermal current of ejection thermal current all is a definite value, if a plurality of burners are carried out suitable combination, reasonably arranges; Will obtain the distribution of satisfied temperature field in furnace easily, guarantee high workpiece heating quality.For under the keeping warm mode of ' is low discharge with the time average '; Just under the low load combustion state; Each burner is during opening; Under fuel and the air capacity of ejection and ' big flow ' state is identical, only is the asynchronism(-nization) of opening, so do not exist the length of flame to receive the problem that ' low discharge ' under conventional the control influences.Two distinguishing features of pulsed burner are: (1) length of flame is constant, so it is constant to be heated the temperature homogeneity of workpiece, especially following of low discharge can be realized even heating; (2) owing to control burner power, be easy to furnace temperature is carried out quantified controlling with make-and-break time.General pulsed burner is used on the heat-treatment furnace that temperature homogeneity is had relatively high expectations more.
Heat-accumulating burner promptly is provided with heat storage in burner, the burner that high-temperature flue gas and air (or coal gas) is carried out heat exchange through heat storage.The characteristics of this burner are air, coal gas or space gas to be preheating to the unapproachable temperature of common heat exchanger (general 1200 ℃ stove space gas can be preheating to about 1000 ℃) with flue gas.Heat-accumulating burner mainly contains the advantage of following aspect with respect to the conventional burner of non-accumulation of heat: (1) heat-accumulating burner has carried out ultimate attainment heat accumulating type heat recovery owing in burner, be provided with heat storage to high-temperature flue gas in the burner hearth; Can significantly reduce the thermal loss of industrial furnace; Reduce the specific heat consumption amount of stove; Thereby the user has practiced thrift energy cost for stove, has considerable energy-conserving action.(2) heat-accumulating burner can be with cold combustion air, and coal gas or space gas are preheating to about 1000 degree, brings a large amount of physics heat of burner into, has changed the flame burning mode, greatly reduces the discharge capacity of nitrogen oxide, has the remarkable environmental benefit.Since the energy conservation and environmental protection benefit that heat-accumulating burner is advanced, industrial furnace all first-selected mostly heat-accumulating burner that adopts on burner type selecting row that present domestic energy consumption index is more advanced.But general regenerative oven is not because flue gas stream speed is high especially, and the circulation of inner flue gas of the stove air-flow is restricted, and the temperature homogeneity in the stove is not very high.
What the utility model was described is a kind of multi-functional heat accumulating type impulse burner that has combined pulse-combustion and the two advantage of heat storage type combustion.
Summary of the invention
The utility model provides a kind of multi-functional heat accumulating type impulse burner; It has effectively combined the advantage of heat-accumulating burner and impulse burner, is a kind of both energy-conserving and environment-protective, is easy to quantified controlling flame again; And can improve the inhomogeneity Multifunction burner of stove internal temperature; Through proportioning valve is set, can also realize that space gas in real time according to the air-fuel ratio ratio combustion, effectively controls the inner flue gas of the stove composition on gas piping.
The utility model adopts following technology:
A kind of multi-functional heat accumulating type impulse burner; Comprise burner metal shell, air intake pipeline, a plurality of gas entry pipeline, regenerator, baffle plate brick and burner block, the air intake pipeline is connected with an end of regenerator; There is the burner metal shell regenerator outside; The baffle plate brick is installed in the regenerator, and an other end of regenerator is equipped with burner block, and a plurality of gas entry pipelines extend in the burner block.
The utility model also comprises following characteristic:
1, described gas entry pipeline is provided with hand-operated valve, electromagnetic shut-off valve and proportioning valve.
2, described air intake pipeline is provided with electric butterfly valve, Hand-operated butterfly valve and air pressure sample point.
3, the quantity of described a plurality of gas entry pipelines is more than or equal to 2.
The burner that the utility model is set forth has following advantage:
(1) can reclaim flue gas heat to greatest extent, improve combustion air temperature, thus the energy consumption of industrial furnace can be reduced, for enterprise reduces cost.
(2) high-temperature air burning mode effectively reduces the content of nitrogen oxide in the combustion product, thereby flue gas is greatly reduced the pollution level of atmosphere.
(3) control space gas in real time with proportioning valve and burn in proportion, promptly fuel saving can be controlled the inner flue gas of the stove composition again comparatively accurately, has improved stove heating or thermal treatment quality.
(4) pulse-combustion mode, flame is regulated in large and small fire PID pulsation, can accurately control the interior temperature of stove in strict accordance with the furnace curvilinear motion.
(5) with make-and-break time pulsation control burner power, flame size is long, and flue gas flow rate is high, can improve the uniformity of heating in the burner hearth greatly.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
The embodiment of the utility model is elaborated through embodiment below in conjunction with accompanying drawing.
A kind of multi-functional heat accumulating type impulse burner; Comprise burner metal shell, air intake pipeline, a plurality of gas entry pipeline, regenerator, baffle plate brick and burner block, the air intake pipeline is connected with an end of regenerator; There is the burner metal shell regenerator outside; The baffle plate brick is installed in the regenerator, and an other end of regenerator is equipped with burner block, and a plurality of gas entry pipelines extend in the burner block.Described gas entry pipeline is provided with hand-operated valve, electromagnetic shut-off valve and proportioning valve.Described air intake pipeline is provided with electric butterfly valve, Hand-operated butterfly valve and air pressure sample point.For cooperating burner to use, the space gas pipeline is provided with necessary annexes such as valve instrument before the burner.The utility model air duct feeds regenerator, carries out heat exchange through heat storage and high-temperature flue gas.After the regenerator heat exchange; Air can be preheating to about 1000 ℃; And flue gas is cooled to about 150 ℃, fully the high temperature combustion air after the preheating and carry out pulsed in the burner hearth and burn through spraying into the high-speed pulse mode after the premix in the combustion chamber from the coal gas of gas entry pipeline.Hand-operated valve, electromagnetic shut-off valve and proportioning valve are set above the gas entry pipeline before burner, electric butterfly valve and Hand-operated butterfly valve and air pressure sample point are set above the air duct before burner use to cooperate burner to regulate.The effect of proportioning valve is through on the air duct before burner air pressure being sampled and can be regulated the coal gas amount according to fuel gases calorific value and predefined air-fuel ratio; Realize that space gas carries out the ratio burning according to air-fuel ratio all the time, to guarantee furnace atmosphere and heating quality.Because this burner has the characteristic of impulse burner wide regulating ratio; For temperature curve in the pre-set stove; This burner can heat up and burner hearth in adopt big fire burns during the temperature departure temperature curve, adopt little fire burns when temperature is near temperature curve in insulation or burner hearth.Through temperature curve in fire box temperature and the stove the space gas amount of relatively controlling.This burner has burning and smoke evacuation two states.When burning, the air duct bubbling air is mixed into the burning of horizontal pulse formula with coal gas after the regenerator preheating; When discharging fume, the gas entry pipeline valve is closed, and the flue gas that burner hearth comes is discharged through the burner air duct after the regenerator cooling.Exhaust gas volumn through heat storage is controlled with the required air capacity of burning, and promptly flue gas is passed to the heat of heat storage and the heat balance that heat storage is passed to air in a commutation cycle.For the combustion gas of high heating value, energy-saving effect is more obvious.Comprehensively,
Embodiment 1: present embodiment is that a kind of fuel is the pulse heat-accumulating burner of natural gas, is used on the strict heat-treatment furnace of temperature homogeneity.Introduce its primary structure and each several part function below in conjunction with Fig. 1.
Air intake (exhanst gas outlet) pipeline 1: this part is welded by straight carbon steel pipeline and flange, is the passage that combustion air gets into burner, also is the passage of discharging burner through the low-temperature flue gas of regenerator cooling.Be provided with electric butterfly valve, Hand-operated butterfly valve and air sampling point above the pipeline.
Gas entry pipeline 2: this part is welded by straight carbon steel pipeline and flange; Pipeline is provided with hand-operated valve magnetic valve and proportioning valve; Because heating value of natural gas is high; The air capacity that the coal gas amount that infeeds infeeded in the identical time, in order to improve the premix uniformity, natural gas line is divided into a plurality of little thin passages and feeds the combustion chamber around the burner block 6 and mix with high temperature air.
Burner metal shell 3: the available high-quality steel of this part is done, effect be safeguard the profile of burner with, organize air-flow, refractory material load-bearing and self be provided and being connected of furnace binding.
Regenerator 4: this part is placed heat-storing material, when air and flue gas carry out exchange heat through heat storage during through regenerator.
Baffle plate brick 5: this part is between regenerator 5 and burner block 6, in order to safeguard heat storage.
Burner block 6: this part,, is organized flame profile and is separated flame and heat storage for air and coal gas through the heat accumulating type preheating provide a passage near a side of burner hearth.
This burner is divided into burning and smoke evacuation two states: structure 1 gets into air when burning, and mixes through the coal gas that infeeds with structure 2 behind the heat accumulating type high temperature preheating and burns.Flue gas is discharged through structure 1 through heat accumulating type cooling back when discharging fume.This burner can be realized the pulsed ratio burning of high temperature air, and has bigger adjusting ratio and flue gas flow rate, and heating-up temperature is even, and energy-conserving and environment-protective are the advanced burners of a kind of high-quality.Be particularly useful for the heating of heat treatment class stove.
Embodiment 2: present embodiment is a kind of pulse heat-accumulating burner of the cold clean producer gas that burns, and can be used for heating furnace and heat-treatment furnace.Different with embodiment 1 is; Because the used calorific value of gas of this burner is low, the space gas amount is suitable, space gas premix good uniformity; So the coal gas of structure 2 is only established one to two access road and got final product to the combustion chamber, can reduce the complexity of gas piping 2 and burner block 6 making.Structure among remainder such as burner metal shell 3, combustion chamber 4 baffle plate bricks 5 and the embodiment 1 is similar basically.The switching of the burning of burner and smoke evacuation state, and the adjusting of pulsating flame and control also similar embodiment 1.
Claims (4)
1. multi-functional heat accumulating type impulse burner; Comprise burner metal shell, air intake pipeline, a plurality of gas entry pipeline, regenerator, baffle plate brick and burner block is characterized in that: the air intake pipeline is connected with an end of regenerator; There is the burner metal shell regenerator outside; The baffle plate brick is installed in the regenerator, and an other end of regenerator is equipped with burner block, and a plurality of gas entry pipelines extend in the burner block.
2. a kind of multi-functional heat accumulating type impulse burner according to claim 1, it is characterized in that: described gas entry pipeline is provided with hand-operated valve, electromagnetic shut-off valve and proportioning valve.
3. a kind of multi-functional heat accumulating type impulse burner according to claim 1, it is characterized in that: described air intake pipeline is provided with electric butterfly valve, Hand-operated butterfly valve and air pressure sample point.
4. a kind of multi-functional heat accumulating type impulse burner according to claim 1 is characterized in that: the quantity of described a plurality of gas entry pipelines is more than or equal to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201126588U CN202521609U (en) | 2012-03-15 | 2012-03-15 | Multi-functional heat storage type impulse burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201126588U CN202521609U (en) | 2012-03-15 | 2012-03-15 | Multi-functional heat storage type impulse burner |
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| Publication Number | Publication Date |
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| CN202521609U true CN202521609U (en) | 2012-11-07 |
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| CN2012201126588U Expired - Fee Related CN202521609U (en) | 2012-03-15 | 2012-03-15 | Multi-functional heat storage type impulse burner |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421942A (en) * | 2013-08-28 | 2015-03-18 | 中冶东方工程技术有限公司秦皇岛研究设计院 | Multi-nozzle type gas burner |
| CN105318330A (en) * | 2014-07-16 | 2016-02-10 | 鞍钢股份有限公司 | Burner and method capable of improving combustion effect of regenerative furnace |
| CN107750319A (en) * | 2015-06-16 | 2018-03-02 | 霍尼韦尔国际公司 | The burner of jet pump with combustion air driving |
| CN107940457A (en) * | 2018-01-09 | 2018-04-20 | 天津市赛洋工业炉有限公司 | A kind of New Regenerative high-speed pulse burner |
| CN109631574A (en) * | 2018-12-20 | 2019-04-16 | 唐山钢铁集团有限责任公司 | A kind of Two-cuff Technique roller hearth type heating furnace |
| CN113864795A (en) * | 2021-09-22 | 2021-12-31 | 龙游超晟科技有限公司 | Organic waste gas treatment system capable of treating explosion limit |
-
2012
- 2012-03-15 CN CN2012201126588U patent/CN202521609U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421942A (en) * | 2013-08-28 | 2015-03-18 | 中冶东方工程技术有限公司秦皇岛研究设计院 | Multi-nozzle type gas burner |
| CN104421942B (en) * | 2013-08-28 | 2016-09-28 | 中冶东方工程技术有限公司秦皇岛研究设计院 | Multi-port formula fuel burner nozzle |
| CN105318330A (en) * | 2014-07-16 | 2016-02-10 | 鞍钢股份有限公司 | Burner and method capable of improving combustion effect of regenerative furnace |
| CN107750319A (en) * | 2015-06-16 | 2018-03-02 | 霍尼韦尔国际公司 | The burner of jet pump with combustion air driving |
| CN107940457A (en) * | 2018-01-09 | 2018-04-20 | 天津市赛洋工业炉有限公司 | A kind of New Regenerative high-speed pulse burner |
| CN109631574A (en) * | 2018-12-20 | 2019-04-16 | 唐山钢铁集团有限责任公司 | A kind of Two-cuff Technique roller hearth type heating furnace |
| CN109631574B (en) * | 2018-12-20 | 2024-01-16 | 唐山钢铁集团有限责任公司 | Double heat accumulating roller bottom type heating furnace |
| CN113864795A (en) * | 2021-09-22 | 2021-12-31 | 龙游超晟科技有限公司 | Organic waste gas treatment system capable of treating explosion limit |
| CN113864795B (en) * | 2021-09-22 | 2024-04-02 | 浙江超晟科技有限公司 | Organic waste gas treatment system for treating explosion limit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qian Zhihua Inventor after: Zhao Yiqin Inventor before: Qian Zhihua Inventor before: Di Yaohui |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: QIAN ZHIHUA ZHAI YAOHUI TO: QIAN ZHIHUA ZHAO YIQIN |
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| ASS | Succession or assignment of patent right |
Owner name: HARBIN QIANCHENG TECHNOLOGY DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: HARBIN JINXIN ELECTRIC CO., LTD. Effective date: 20131122 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qian Cheng Inventor before: Qian Zhihua Inventor before: Zhao Yiqin |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 150081 HARBIN, HEILONGJIANG PROVINCE TO: 150040 HARBIN, HEILONGJIANG PROVINCE Free format text: CORRECT: INVENTOR; FROM: QIAN ZHIHUA ZHAO YIQIN TO: QIAN CHENG |
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| TR01 | Transfer of patent right |
Effective date of registration: 20131122 Address after: 150040, Heilongjiang 103, Harbin District, Xiangfang Wang 28 units, room 3 Patentee after: Harbin Qiancheng Technology Development Co., Ltd. Address before: 150081 Heilongjiang Province, Harbin city Xiangfang District haping Road No. 151-9 Patentee before: Harbin Jinxin Electric Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20210315 |