CN203980258U - A kind of combustion gas constant temperature heat storage burner - Google Patents

A kind of combustion gas constant temperature heat storage burner Download PDF

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Publication number
CN203980258U
CN203980258U CN201420168829.8U CN201420168829U CN203980258U CN 203980258 U CN203980258 U CN 203980258U CN 201420168829 U CN201420168829 U CN 201420168829U CN 203980258 U CN203980258 U CN 203980258U
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CN
China
Prior art keywords
heat
combustion
housing
gas
heat storage
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Expired - Fee Related
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CN201420168829.8U
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Chinese (zh)
Inventor
邹欣洺
李爱民
张赜
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DALIAN RONGDA RESOURCES RECYCLING UTILIZATION CONSULTATION DESIGN Co Ltd
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DALIAN RONGDA RESOURCES RECYCLING UTILIZATION CONSULTATION DESIGN Co Ltd
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Priority to CN201420168829.8U priority Critical patent/CN203980258U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The utility model discloses a kind of combustion gas constant temperature heat storage burner, comprising: housing, fuel gas inlet, combustion air inlet, igniter, two heat-accumulation combustion chambers, exhanst gas outlet, temperature measuring equipment; Described housing is right-angle type cavity rectangular structure, and the two ends of housing are trapezoidal rectangular structure, and one end is fuel gas inlet, and the other end is exhanst gas outlet; Described heat-accumulation combustion chamber is separately positioned on the enclosure interior near fuel gas inlet and exhanst gas outlet.The utility model adopts combustion gas and combustion air to burn by igniter, and thermal storage ceramic purpose-made brick and thermal storage ceramic rod are washed away in combustion flame and high-temperature flue gas stagger arrangement, make heat storage in the indoor sufficient accumulation of heat of heat-accumulation combustion; When flue-gas temperature is during higher than regenerator temperature, heat storage heat absorption, when the supply of combustion gas is during lower than working condition requirement, heat storage heat release, makes the flue-gas temperature producing keep certain constant temperature, can reach the requirement of operating mode, when widening heat energy utilization scope, greatly improved heat exchange efficiency.

Description

A kind of combustion gas constant temperature heat storage burner
Technical field
The utility model relates to gas combustion apparatus technical field, and particularly a kind of combustion gas constant temperature heat storage burner that produces constant high temperature flue gas, can at high temperature fully burn combustion gas, and produce without pernicious gas.
Background technology
Traditional heat-storage type burner comprises two regenerator, a combustion chamber, normal temperature air enters combustion chamber after being heated by regenerator, inject fuel simultaneously, fuel is fully burning under the oxygen deprivation condition of high temperature, hot flue gas after burning is emptying through another regenerator, and high-temperature flue gas sensible heat is stored in regenerator, and reversal valve switches with certain frequency, realize accumulation of heat and the heat release alternation of two regenerator and combustion chamber, thereby reach energy-conservation object.
Tradition heat-accumulation combustor be from reclaim resource view by heat energy recovery in combustion reaction, avoided the wasting of resources, yet from utilization of resources angle analysis, it fails to realize efficiently making full use of of heat energy, simultaneously the method has also limited the purposes of heat energy, cannot be by heat energy for other by hot equipment or technique.
Summary of the invention
The purpose of this utility model is: for solving above-mentioned technical problem of the prior art, a kind of combustion gas constant temperature heat storage burner is provided, can have obtained constant high temperature flue gas, can guarantee follow-up heat-exchanger rig stable operation, not only widen the scope of utilizing of heat energy, also greatly improved heat exchange efficiency.In addition, because combustion gas is to burn in hot environment, burn very abundant, thereby avoided the generation of NOx, CO, the flue gas of generation is comparatively clean.
For achieving the above object, the technical solution adopted in the utility model is: a kind of combustion gas constant temperature heat storage burner is provided, has comprised: housing 9, fuel gas inlet 3, combustion air inlet 8, igniter 4, two heat-accumulation combustion chambers 1, exhanst gas outlet 6, temperature measuring equipment 7; Described housing 9 is right-angle type cavity rectangular structure, and the two ends of housing 9 are trapezoidal rectangular structure, and one end is fuel gas inlet 3, and the other end is exhanst gas outlet 6; Described heat-accumulation combustion chamber 1 is separately positioned on housing 9 inside near fuel gas inlet 3 and exhanst gas outlet 6; Described combustion air inlet 8, igniter 4 are separately positioned on the housing 9 at fuel gas inlet 3 places; Described temperature measuring equipment 7 is arranged on the housing 9 at exhanst gas outlet 6 places.
Wherein: described housing 9 outer wrap have heat-insulation layer, described heat-insulation layer adopts boiler inner wall insulation.
Wherein: the insulation of described boiler inner wall is: between the heat preservation rock being provided with in housing 9 and housing 9 outsides, build refractory concrete; In described refractory concrete, refractory cement accounts for 20% of gross mass, and low bauxite accounts for 80% of gross mass.
Wherein: the housing 9 at described fuel gas inlet 3 places is provided with sees fiery device, described sight fire device is comprised of with seamless steel pipe and gland lucite, boiler; Described seamless steel pipe is provided with external screw thread, and gland is provided with the internal thread corresponding with seamless steel pipe, and lucite is arranged between gland and seamless steel pipe, by observing color and the flame diameter of flame, the at any time combustion conditions of observing system.
Wherein: described combustion air inlet 8 is 35~50 ° with the main shaft angle of heat-accumulation combustion chamber 1, can allow air and combustion gas fully contact the efficiency that promotes burning, can allow again burned flame and thermal storage ceramic rod wash away and make accumulation of heat abundant with certain speed.
Wherein: the quantity of described combustion air inlet 8 is 2~4, and be evenly arranged on the housing 9 at fuel gas inlet 3 places.
Wherein: the ignition point of described igniter 4 is positioned at the intersection of combustion air and combustion gas; Described igniter 4 is small-sized burners, is arranged on the flange of burner interface, and it also has the pre-heat effect to heat storage.
Wherein: 1 inside, described heat-accumulation combustion chamber is provided with thermal storage ceramic purpose-made brick, thermal storage ceramic rod; The stagger arrangement of described thermal storage ceramic rod intersection is arranged, and horizontal and vertical pitch is equal, and the length of described pitch is 1.5~2 times of thermal storage ceramic rod diameter.
Wherein: the ignition temperature of described combustion gas is 1000 ℃~1200 ℃, the time of staying 1~1.5s, heat-accumulation combustion chamber 1 volume is according to above calculation of parameter, and heat storage accounts for 30~50% of regenerator cumulative volume, this resistance that system is produced of arranging is less, best to the heat storage efficiency of heat storage.
The beneficial effects of the utility model are: the utility model adopts combustion gas and combustion air to burn by igniter, thermal storage ceramic purpose-made brick and thermal storage ceramic rod are washed away in combustion flame and high-temperature flue gas stagger arrangement, make heat storage in the indoor sufficient accumulation of heat of heat-accumulation combustion; When flue-gas temperature is during higher than regenerator temperature, heat storage heat absorption, when the supply of combustion gas is during lower than working condition requirement, heat storage heat release, makes the flue-gas temperature producing keep certain constant temperature, can reach the requirement of operating mode, when widening heat energy utilization scope, greatly improved heat exchange efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of combustion gas constant temperature of the utility model heat storage burner;
Fig. 2 is combustion air inlet of the present utility model present position structure chart.
Accompanying drawing sign: 1-heat-accumulation combustion chamber, 2-sees fiery device, 3-fuel gas inlet, 4-igniter, 5-heat-insulation layer, 6-exhanst gas outlet, 7-temperature measuring equipment, 8-combustion air inlet, 9-housing.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated.
With reference to Fig. 1-2, a kind of combustion gas constant temperature of the utility model heat storage burner, comprising: housing 9, fuel gas inlet 3, combustion air inlet 8, igniter 4, two heat-accumulation combustion chambers 1, exhanst gas outlet 6, temperature measuring equipment 7; Described housing 9 is right-angle type cavity rectangular structure, and the two ends of housing 9 are trapezoidal rectangular structure, and one end is fuel gas inlet 3, and the other end is exhanst gas outlet 6; Described heat-accumulation combustion chamber 1 is separately positioned on housing 9 inside near fuel gas inlet 3 and exhanst gas outlet 6; Described combustion air inlet 8, igniter 4 are separately positioned on the housing 9 at fuel gas inlet 3 places; Described temperature measuring equipment 7 is arranged on the housing 9 at exhanst gas outlet 6 places, and described temperature measuring equipment 7 can be measured the temperature of high-temperature flue gas, and realizes the real-time monitoring to temperature.
Described housing 9 outer wrap have heat-insulation layer, and described heat-insulation layer adopts boiler inner wall insulation.
The insulation of described boiler inner wall is: between the heat preservation rock being provided with in housing 9 and housing 9 outsides, build refractory concrete; In described refractory concrete, refractory cement accounts for 20% of gross mass, and low bauxite accounts for 80% of gross mass.
The housing 9 at described fuel gas inlet 3 places is provided with sees fiery device, and described sight fire device is comprised of with seamless steel pipe and gland lucite, boiler; Described seamless steel pipe is provided with external screw thread, and gland is provided with the internal thread adapting with seamless steel pipe, and lucite is arranged between gland and seamless steel pipe, by observing color and the flame diameter of flame, the at any time combustion conditions of observing system.
Described combustion air inlet 8 is 35~50 ° with the main shaft angle of heat-accumulation combustion chamber 1, can allow air and combustion gas fully contact the efficiency that promotes burning, can allow again burned flame and thermal storage ceramic rod wash away and make accumulation of heat abundant with certain speed.
The quantity of described combustion air inlet 8 is 2~4, and is evenly arranged on the housing 9 at fuel gas inlet 3 places.
The ignition point of described igniter 4 is positioned at the intersection of combustion air and combustion gas; Described igniter 4 is small-sized burners, is arranged on the flange of burner interface, and it also has the pre-heat effect to heat storage.
1 inside, described heat-accumulation combustion chamber is provided with thermal storage ceramic purpose-made brick, thermal storage ceramic rod; The stagger arrangement of described thermal storage ceramic rod intersection is arranged, and horizontal and vertical pitch is equal, and the length of described pitch is 1.5~2 times of thermal storage ceramic rod diameter.
The ignition temperature of described combustion gas is 1000 ℃~1200 ℃, the time of staying 1~1.5s, heat-accumulation combustion chamber 1 volume is according to above calculation of parameter, and heat storage accounts for 30~50% of regenerator cumulative volume, this resistance that system is produced of arranging is less, best to the heat storage efficiency of heat storage.
The course of work of the present utility model is: fuel gas inlet 3 is connected with gas generator, again combustion air inlet 8 is connected with air preheater hot air outlet, the described combustion gas that derives from gas generator mixes with the combustion air after air preheater heating, fully burning after igniter 4 is lighted, the high-temperature flue gas of combustion flame and generation washes away thermal storage ceramic rod and thermal storage ceramic purpose-made brick in the interior stagger arrangement in heat-accumulation combustion chamber 1, make its abundant accumulation of heat, ceramic heat storage body by radiation accumulation of heat and convection current accumulation of heat has been stored a large amount of heats, when the gas quantity producing when gas generator is lower lower than the composition calorific value of working condition requirement and combustion gas, the combustion heat value of combustion gas can not meet follow-up working condition requirement, now heat storage is emitted large calorimetric, its liberated heat of smoke absorption reaches constant high temperature and discharges, meet the requirement of operating mode.
Embodiment 1
The present embodiment is stressed the application in municipal sludge mummification-gasification process system (balanced draft).
Through dried mud, enter gasification or pyrolysis plant, produce fuel gas, through fuel gas inlet 3, enter heat-accumulation combustion chamber 1, the excess air factor of combustion air is 1.6~1.8, to guarantee oxygen content >=8% in flue gas; The burner of igniter 4, first to heat storage preheating, passes into after combustion gas and combustion air, and igniter 4 igniting, then close burner; The flame of fuel gas buring and high-temperature flue gas wash away thermal storage ceramic rod and thermal storage ceramic purpose-made brick in the indoor stagger arrangement of heat-accumulation combustion, heat storage absorbs heat fully, combustion gas is fully burnt and is produced high-temperature flue gas in hot environment, because the source of municipal sludge is different, dried sludge components is not identical yet, amount and the composition of the combustible gas therefore producing through pyrolysis plant are not very stable, when the amount of combustible gas and the calorific value of gas component are during lower than working condition requirement, heat storage heat release, its heat of smoke absorption, guarantee its constant high temperature, to meet follow-up working condition requirement.Keep the flue gas of constant high temperature by heat recovery boiler heat exchange, heat is passed to drying system by conduction oil, dried mud is transported to pyrolysis in pyrolysis plant, and pyrolysis gas enters heat-accumulation combustion chamber through fuel gas inlet 3, has formed a closed closed circuit.
The effect of the utility model in sludge drying-gasification system is:
(1), combustion gas burns in the environment of high temperature, the flue gas of generation is clean, reaches the discharge standard of flue gas;
(2), accumulation of heat physical efficiency guarantees constant high temperature flue gas, realizes that heat is efficient to be utilized, and guarantees the stable operation of follow-up operating mode simultaneously;
(3), combustion gas and combustion air stagger arrangement wash away thermal storage ceramic rod, mix and very fully improve efficiency of combustion.
Embodiment 2
The present embodiment is stressed the application in utilizing biological particles production activated carbon system.
Pack biological particles into pyrolysis and analyse in the living beings chamber of stove, utilize 800 ℃ of high temperature (anaerobic) gas to wash away biological particles with the speed of 0.5m/s, produce a large amount of pyrolysis gas.Native system is that the high-temperature flue gas that utilizes the combustion heat to vent one's spleen to produce is warmed to 800 ℃ by high-temperature heat-exchanging by pyrolysis gas, as fired basis composition due to living beings, volatilization composition is very unstable, causes the amount of the pyrolysis gas that produces and composition unstable when high during low heat valve (low).When the amount of pyrolysis gas and composition are during lower than the requiring of operating mode, heat storage heat release, its heat of smoke absorption, guarantee that its constant high temperature flue gas enters high-temperature heat-exchanging and pyrolysis gas heat exchange, guarantee that the pyrolysis gas after heat exchange reaches 800 ℃ of requirements that meet operating mode, pyrolysis gas recycles, and has reached power self-support.
The effect of the utility model in activated carbon system equipment is:
(1), combustion gas burns in the environment of high temperature, the flue gas of generation is clean, reaches the discharge standard of flue gas;
(2), accumulation of heat physical efficiency guarantees constant high temperature flue gas, realizes that heat is efficient to be utilized, and guaranteed that pyrolysis gas is warmed to 800 ℃;
(3), high-temperature flue gas stagger arrangement washes away thermal storage ceramic rod, accumulation of heat fully improves efficiency of combustion.
Above content is the further description of the utility model being done in conjunction with optimal technical scheme, can not assert that the concrete enforcement of invention only limits to these explanations.Concerning the utility model person of an ordinary skill in the technical field, not departing under the prerequisite of design of the present utility model, can also make simple deduction and replacement, all should be considered as protection domain of the present utility model.

Claims (8)

1. a combustion gas constant temperature heat storage burner, is characterized in that: described combustion gas constant temperature heat storage burner comprises: housing (9), fuel gas inlet (3), combustion air inlet (8), igniter (4), two heat-accumulation combustion chambers (1), exhanst gas outlet (6), temperature measuring equipment (7); Described housing (9) is right-angle type cavity rectangular structure, and the two ends of housing (9) are trapezoidal rectangular structure, and one end is fuel gas inlet (3), and the other end is exhanst gas outlet (6); Described heat-accumulation combustion chamber (1) is separately positioned on housing (9) inside near fuel gas inlet (3) and exhanst gas outlet (6); Described combustion air inlet (8), igniter (4) are separately positioned on the housing (9) that fuel gas inlet (3) locates; Described temperature measuring equipment (7) is arranged on the housing (9) that exhanst gas outlet (6) locates.
2. a kind of combustion gas constant temperature heat storage burner according to claim 1, is characterized in that: described housing (9) outer wrap has heat-insulation layer, and described heat-insulation layer adopts boiler inner wall insulation.
3. a kind of combustion gas constant temperature heat storage burner according to claim 2, is characterized in that: described boiler inner wall insulation is: between the heat preservation rock being provided with in housing (9) and housing (9) outside, build refractory concrete.
4. a kind of combustion gas constant temperature heat storage burner according to claim 1, is characterized in that: the housing (9) that described fuel gas inlet (3) is located is provided with sees fiery device, and described sight fire device is comprised of with seamless steel pipe and gland lucite, boiler; Described seamless steel pipe is provided with external screw thread, and gland is provided with the internal thread adapting with seamless steel pipe, and lucite is arranged between gland and seamless steel pipe.
5. a kind of combustion gas constant temperature heat storage burner according to claim 1, is characterized in that: described combustion air inlet (8) is 35~50 ° with the main shaft angle of heat-accumulation combustion chamber (1).
6. a kind of combustion gas constant temperature heat storage burner according to claim 1 or 5, is characterized in that: the quantity of described combustion air inlet (8) is 2~4, and is evenly arranged on the housing (9) that fuel gas inlet (3) locates.
7. a kind of combustion gas constant temperature heat storage burner according to claim 1, it is characterized in that: the ignition point of described igniter (4) is positioned at the intersection of combustion air and combustion gas, described igniter (4) is a small-sized burner, is arranged on the flange of burner interface.
8. a kind of combustion gas constant temperature heat storage burner according to claim 1, is characterized in that: inside, described heat-accumulation combustion chamber (1) is provided with thermal storage ceramic purpose-made brick, thermal storage ceramic rod; The stagger arrangement of described thermal storage ceramic rod intersection is arranged, and horizontal and vertical pitch is equal, and the length of described pitch is 1.5~2 times of thermal storage ceramic rod diameter.
CN201420168829.8U 2014-04-09 2014-04-09 A kind of combustion gas constant temperature heat storage burner Expired - Fee Related CN203980258U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103900075A (en) * 2014-04-09 2014-07-02 大连容大资源循环利用咨询设计有限公司 Fuel gas constant-temperature heat-accumulation combustion device
CN106225227A (en) * 2016-08-31 2016-12-14 无锡锡州机械有限公司 A kind of chamber structure of heating boiler
CN111253033A (en) * 2020-03-12 2020-06-09 北京云水浩瑞环境科技有限公司 System and method for mobile treatment of sludge in villages and towns

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103900075A (en) * 2014-04-09 2014-07-02 大连容大资源循环利用咨询设计有限公司 Fuel gas constant-temperature heat-accumulation combustion device
CN106225227A (en) * 2016-08-31 2016-12-14 无锡锡州机械有限公司 A kind of chamber structure of heating boiler
CN106225227B (en) * 2016-08-31 2021-11-19 无锡锡州机械有限公司 Combustion chamber structure of heating boiler
CN111253033A (en) * 2020-03-12 2020-06-09 北京云水浩瑞环境科技有限公司 System and method for mobile treatment of sludge in villages and towns

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141203

Termination date: 20170409

CF01 Termination of patent right due to non-payment of annual fee