CN102878817A - Continuous combusting regenerative industrial furnace - Google Patents
Continuous combusting regenerative industrial furnace Download PDFInfo
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- CN102878817A CN102878817A CN2012103622479A CN201210362247A CN102878817A CN 102878817 A CN102878817 A CN 102878817A CN 2012103622479 A CN2012103622479 A CN 2012103622479A CN 201210362247 A CN201210362247 A CN 201210362247A CN 102878817 A CN102878817 A CN 102878817A
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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 invention discloses a continuous combusting regenerative industrial furnace, which includes a rotary regenerative heat exchanger, wherein the rotary regenerative heat exchanger includes a rotary cylinder, an upper cover and a lower cover, and the rotary cylinder is internally provided with a regenerator; the high-temperature smoke outlet on the furnace body is connected with an induced draft fan through the high-temperature smoke inlet and the low-temperature smoke outlet of the rotary regenerative heat exchanger in sequence; an air blower is connected with an combustor on the furnace body through the normal temperature air inlet and the preheated air outlet of the rotary regenerative heat exchanger in sequence; and the rotary cylinder is connected with a rotary driving device. The regenerator in the rotary regenerative heat exchanger rotates to continuously preheat the air, the preheated air can be continuously fed into the furnace, the whole combusting process needs no reversing, the pipeline arrangement is simple, the continuous regenerative heat exchange between the high-temperature smoke and the normal temperature air can be realized, and the whole combusting process needs no reversing and is stable.
Description
Technical field
The present invention relates to a kind of heat-accumulating industrial furnace, relate in particular to a kind of continuous burning heat-accumulating industrial furnace.
Background technology
In industrial furnace system, in order effectively to utilize fume afterheat or to adopt low calorie fuels gas to act as a fuel, generally adopt regenerative combustion technology.
In the prior art, the heat-storage type burner that heat storage type combustion uses needs to arrange in pairs, normal temperature air is heated to high temperature when the heat storage by a side burner, with the fuel mix burning that sprays into, the flue gas sucking-off that the burner of while opposite side will burn later, hot flue gas enters atmosphere with the cooling of heat transferred heat storage by chimney.In next cycle, the duty of both sides burner is changed, and conversion is controlled by reversal valve.Reversal valve switches by certain frequency, both sides alternate combustion and smoke evacuation.Adopt to greatest extent Mist heat recovering of heat storage type combustion mode, energy-saving effect is remarkable.
There is following shortcoming at least in above-mentioned prior art:
The burner of tradition heat-accumulating industrial furnace is arranged in pairs, alternately realize the heat exchange of high-temperature flue gas and normal temperature air by every pair of burner of reversal valve control, so the industrial furnace structure is very huge, and pipeline is complicated.This handling characteristics of the burner of combustion function and smoke discharging function that alternately realizes is, exist to pause in commutation process, a side burner is converted to the smoke evacuation state when flame-out by fired state, and the burner of opposite side is also unignited, the stove combustion process is discontinuous, and flame is also discontinuous.The frequent mode of operation of switching of burner is being brought the discontinuous while of furnace flame, also makes furnace pressure and furnace temperature produce certain fluctuation, affects the stability of whole system.The patent No. is that the patent of CN202074527U discloses a kind of heat accumulating burner capable of realizing continuous burning, continue to enter lasting discharge with low-temperature flue gas by a four-way change-over valve and four check (non-return) valves control normal temperature airs, this patent still needs in essence to realize by the commutation mode of operation, can not realize the continuous burning that does not commutate truly.
Summary of the invention
The continuous burning heat-accumulating industrial furnace that the purpose of this invention is to provide a kind of simple in structure, continuous burning of realizing not commutating.
The objective of the invention is to be achieved through the following technical solutions:
Continuous burning heat-accumulating industrial furnace of the present invention, comprise body of heater, described body of heater is provided with burner and high-temperature flue gas outlet, also comprises the rotary heat accumulating type heat exchanger, described rotary heat accumulating type heat exchanger comprises rotary barrel, loam cake, lower cover, and described rotary barrel inside is provided with heat storage;
The upper surface of described heat storage and the space between the loam cake are divided into two parts by fire-resisting partition, these two parts corresponding on cover the outlet of high-temperature flue gas entry and preheated air be set respectively;
The lower surface of described heat storage and the space between the lower cover are divided into two parts by steel diaphragm, and lower the covering that these two parts are corresponding arranges respectively low-temperature flue gas outlet and normal temperature air entrance;
High-temperature flue gas outlet on the described body of heater is connected with air-introduced machine with low-temperature flue gas by described high-temperature flue gas entry successively and is connected;
Air blast is connected with preheated air with burner on the described body of heater by described normal temperature air entrance successively and is connected;
Described rotary barrel is connected with rotating driving device.
As seen from the above technical solution provided by the invention, the continuous burning heat-accumulating industrial furnace that the embodiment of the invention provides, owing to comprising the rotary heat accumulating type heat exchanger, rotation by heat storage in the rotary heat accumulating type heat exchanger continues air is carried out preheating, in the sustainable infeed stove of air after preheating, whole combustion process does not commutate, and line arrangement continuous heat accumulation type heat exchange and combustion process simple, that can realize high-temperature flue gas and normal temperature air do not commutate, flameholding.
Description of drawings
The structural representation of the continuous burning heat-accumulating industrial furnace that Fig. 1 provides for the embodiment of the invention;
Fig. 2 is the cross section structure schematic diagram of the rotary barrel of rotary heat accumulating type heat exchanger in the embodiments of the invention.
Among the figure:
The 1-body of heater, 2-burner, 3-rotary heat accumulating type heat exchanger, 4-loam cake, 5-lower cover, 6-rotary barrel, 7-heat storage, 8-exhaust gases passes district, 9-air passage region, 10-sealed solid district.
The specific embodiment
The below will be described in further detail the embodiment of the invention.
Continuous burning heat-accumulating industrial furnace of the present invention, its better specific embodiment be as shown in Figure 1 and Figure 2:
Described body of heater is provided with burner and high-temperature flue gas outlet, comprises the rotary heat accumulating type heat exchanger, and described rotary heat accumulating type heat exchanger comprises rotary barrel, loam cake, lower cover, and described rotary barrel inside is provided with heat storage;
The upper surface of described heat storage and the space between the loam cake are divided into two parts by fire-resisting partition, these two parts corresponding on cover the outlet of high-temperature flue gas entry and preheated air be set respectively;
The lower surface of described heat storage and the space between the lower cover are divided into two parts by steel diaphragm, and lower the covering that these two parts are corresponding arranges respectively low-temperature flue gas outlet and normal temperature air entrance;
High-temperature flue gas outlet on the described body of heater is connected with air-introduced machine with low-temperature flue gas by described high-temperature flue gas entry successively and is connected;
Air blast is connected with preheated air with burner on the described body of heater by described normal temperature air entrance successively and is connected;
Described rotary barrel is connected with the rotating driving device (not shown).
Described rotating driving device is provided with arrangements for speed regulation.
Described heat storage vertically is provided with many gas passages.
Described burner has a plurality of.
Continuous burning heat-accumulating industrial furnace of the present invention, line arrangement continuous heat accumulation type heat exchange and combustion process simple, that can realize high-temperature flue gas and normal temperature air do not commutate, flameholding.
Continuous burning heat-accumulating industrial furnace of the present invention comprises body of heater, burner, rotary heat accumulating type heat exchanger, air blast and air-introduced machine etc.The rotary heat accumulating type heat exchanger comprises loam cake, rotary barrel, lower cover, the parts such as rotating driving device and heat storage.Heat storage can be combined into first fan shape by ceramic honeycomb thermal accumulator body, and then combines cylindrical shape by the fan-shaped heat storage of polylith, is provided with the heat storage dividing plate between each segment.Sealing during heat accumulator rotary between inner flue gas and air is between the heat release district of flowing through by the heat-accumulating area that flows through at high-temperature flue gas and normal temperature air certain sealed solid district to be set to realize.
Operation principle of the present invention is:
High-temperature flue gas in the industrial furnace is constant by the rotary heat accumulating type heat exchanger by the high-temperature flue gas outlet through the air-introduced machine effect, normal temperature air is sent into heat regenerator through air blast, the heat storage of heat exchanger inside links to each other with rotating driving device, driven uniform rotation between loam cake and lower cover by rotating driving device.Heat storage is constantly continued to suck high-temperature flue gas, continue to enter normal temperature air by air duct by exhaust gases passes in the continuous rotary process, the high-temperature flue gas heating of being flowed through when heat storage goes to exhaust gases passes, with the thermal release of its storage, the normal temperature air of flowing through is heated when rotating to air duct.When the sealed solid district goes to exhaust gases passes or air duct, do not have flue gas or air to enter, inner flue gas and air are not collaborated in the process that the assurance heat storage is changed between exhaust gases passes district and air passage region.Temperature changes constantly rising with the anglec of rotation and time during the heat storage accumulation of heat, otherwise temperature changes continuous the reduction with the anglec of rotation and time during heat release, can be by the rotational speed regulation high-temperature flue gas of change heat storage and the exchange effect of cold air.When finishing this process, air after the preheating of rotary heat accumulating type heat exchanger continues to feed in the air duct of each burner of industrial furnace, fuel in fuel channel enters burner hearth and realizes high-temperature air burning, and assurance stove combustion process is carried out continuously.The high-temperature flue gas of industrial furnace flue outlet and continue to enter the continuous heat accumulation type heat exchanger through the normal temperature air that air blast is sent into and constantly repeat said process, the whole system continuous and steady operation.
It is by changing the preheat temperature value that the heat storage rotating speed reaches to be needed that preheated air temperature is regulated.
Continuous burning heat-accumulating industrial furnace of the present invention, realized the lasting heat exchange of air and flue gas by the rotation of heat storage in the rotary heat accumulating type heat exchanger, in the sustainable infeed stove of air after preheating, whole combustion process does not commutate, does not interrupt, guarantee the combustion system continuous and steady operation, Effective Raise stabilization of equipment performance; By the rotation of heat storage in the heat exchanger is sustainable high-temperature flue gas and normal temperature air are carried out heat exchange, can continually send into burner through the air after the preheating, realize continuous burning in the stove, furnace temperature and furnace pressure are stable in the running; Because there is not burning commutation problem in the present invention, therefore burner need not to install reversal valve and associated pipe without again requirement arranged in pairs, has both simplified line arrangement, has improved again stable equipment operation and reliability.Rotary heat accumulating type heat exchanger of the present invention can be preheating to normal temperature air more than 800 ℃, realizes high-temperature air burning.The advantage of high-temperature air burning then is to burn low calorie fuels, thereby greatly saves the consumption of exotic fuels, and energy-saving effect is remarkable.
Continuous burning heat-accumulating industrial furnace of the present invention, adopt first the continuous heat accumulation type heat-exchange method, rotation by heat storage in the rotary heat accumulating type heat exchanger continues air is carried out preheating, in the sustainable infeed stove of air after preheating, whole combustion process does not commutate, have line arrangement simple, the stove internal combustion is continuous, the characteristics of stable equipment operation and good energy-conserving effect.
The above; only for the better specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (4)
1. a continuous burning heat-accumulating industrial furnace comprises body of heater, and described body of heater is provided with burner and high-temperature flue gas outlet, it is characterized in that, also comprise the rotary heat accumulating type heat exchanger, described rotary heat accumulating type heat exchanger comprises rotary barrel, loam cake, lower cover, and described rotary barrel inside is provided with heat storage;
The upper surface of described heat storage and the space between the loam cake are divided into two parts by fire-resisting partition, these two parts corresponding on cover the outlet of high-temperature flue gas entry and preheated air be set respectively;
The lower surface of described heat storage and the space between the lower cover are divided into two parts by steel diaphragm, and lower the covering that these two parts are corresponding arranges respectively low-temperature flue gas outlet and normal temperature air entrance;
High-temperature flue gas outlet on the described body of heater is connected with air-introduced machine with low-temperature flue gas by described high-temperature flue gas entry successively and is connected;
Air blast is connected with preheated air with burner on the described body of heater by described normal temperature air entrance successively and is connected;
Described rotary barrel is connected with rotating driving device.
2. continuous burning heat-accumulating industrial furnace according to claim 1 is characterized in that, described heat storage vertically is provided with many gas passages.
3. continuous burning heat-accumulating industrial furnace according to claim 1 and 2 is characterized in that, described rotating driving device is provided with arrangements for speed regulation.
4. continuous burning heat-accumulating industrial furnace according to claim 3 is characterized in that, described burner has a plurality of.
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| CN2012103622479A CN102878817A (en) | 2012-09-25 | 2012-09-25 | Continuous combusting regenerative industrial furnace |
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| CN2012103622479A CN102878817A (en) | 2012-09-25 | 2012-09-25 | Continuous combusting regenerative industrial furnace |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292607A (en) * | 2013-06-14 | 2013-09-11 | 上海交通大学 | Heat storage and exchange method used for recovering waste heat of smoke with flying ash |
| CN103335528A (en) * | 2013-06-16 | 2013-10-02 | 苏州工业园区欣隆电热仪器有限公司 | Heat recovery system for burn-in room |
| CN103672843A (en) * | 2013-01-18 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Powdery-solid-fuel boiler with heat-accumulating-type rotary reversing heater |
| CN103672941A (en) * | 2013-01-18 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Granular fuel boiler and dry desulphurization technology system |
| CN103672870A (en) * | 2013-10-10 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Combustion device for heating furnace and heating furnace with combustion device |
| CN103672942A (en) * | 2013-01-18 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Powdery solid fuel boiler and dry method purification process system |
| CN103672872A (en) * | 2013-01-18 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Granular fuel boiler with heat accumulation type rotary reversing heater |
| CN103672869A (en) * | 2013-01-18 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Pulverized coal boiler capable of exhausting smoke |
| WO2014110882A1 (en) * | 2013-01-18 | 2014-07-24 | 北京神雾环境能源科技集团股份有限公司 | Powdered solid fuel boiler equipped with regenerative rotating commutating heater |
| WO2014110879A1 (en) * | 2013-01-18 | 2014-07-24 | 北京神雾环境能源科技集团股份有限公司 | Catalytic purification and heat exchange system |
| WO2014110880A1 (en) * | 2013-01-18 | 2014-07-24 | 北京神雾环境能源科技集团股份有限公司 | Gas heat exchanger and gas heat exchange system having same |
| CN104359314A (en) * | 2014-11-18 | 2015-02-18 | 中冶南方工程技术有限公司 | Energy-saving heating furnace system for recycling smoke waste heat and smoke waste heat recycling method |
| CN106052377A (en) * | 2016-07-27 | 2016-10-26 | 北京神雾环境能源科技集团股份有限公司 | Fuel gas cupola furnace |
| CN112325662A (en) * | 2020-11-11 | 2021-02-05 | 岳阳联创热能设备有限公司 | Rotary continuous heat storage box |
| CN113175824A (en) * | 2021-04-16 | 2021-07-27 | 河北科技大学 | Heat accumulating type heating furnace with one-side combustion function and using method thereof |
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| CN103672869B (en) * | 2013-01-18 | 2016-07-06 | 北京神雾环境能源科技集团股份有限公司 | Can bleeder pulverized-coal fired boiler |
| RU2622139C2 (en) * | 2013-01-18 | 2017-06-13 | Бейджин Шеньву Энвайронмент энд Энерджи Текнолоджи Ко., Лтд. | Powdered fuel boiler with rotary type cycle heater |
| CN103672843A (en) * | 2013-01-18 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Powdery-solid-fuel boiler with heat-accumulating-type rotary reversing heater |
| CN103672941A (en) * | 2013-01-18 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Granular fuel boiler and dry desulphurization technology system |
| WO2014110880A1 (en) * | 2013-01-18 | 2014-07-24 | 北京神雾环境能源科技集团股份有限公司 | Gas heat exchanger and gas heat exchange system having same |
| CN103672942A (en) * | 2013-01-18 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Powdery solid fuel boiler and dry method purification process system |
| CN103672872A (en) * | 2013-01-18 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Granular fuel boiler with heat accumulation type rotary reversing heater |
| CN103672869A (en) * | 2013-01-18 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Pulverized coal boiler capable of exhausting smoke |
| WO2014110882A1 (en) * | 2013-01-18 | 2014-07-24 | 北京神雾环境能源科技集团股份有限公司 | Powdered solid fuel boiler equipped with regenerative rotating commutating heater |
| WO2014110879A1 (en) * | 2013-01-18 | 2014-07-24 | 北京神雾环境能源科技集团股份有限公司 | Catalytic purification and heat exchange system |
| CN103672872B (en) * | 2013-01-18 | 2016-08-10 | 北京神雾环境能源科技集团股份有限公司 | Carrying heat storage rotates the particle fuel boiler of commutation heater |
| CN103672942B (en) * | 2013-01-18 | 2016-05-25 | 北京神雾环境能源科技集团股份有限公司 | Powdered solid fuel boiler and dry purification process system |
| AU2013374015B2 (en) * | 2013-01-18 | 2016-03-03 | Beijing Shenwu Environment And Energy Technology Co., Ltd. | Powdered solid fuel boiler equipped with regenerative rotating commutating heater |
| CN103672843B (en) * | 2013-01-18 | 2015-11-25 | 北京神雾环境能源科技集团股份有限公司 | Carrying heat storage rotates the powdered solid fuel boiler of commutation heater |
| CN103672941B (en) * | 2013-01-18 | 2016-04-20 | 北京神雾环境能源科技集团股份有限公司 | Particle fuel boiler and dry desulphurization technology system |
| CN103292607A (en) * | 2013-06-14 | 2013-09-11 | 上海交通大学 | Heat storage and exchange method used for recovering waste heat of smoke with flying ash |
| CN103292607B (en) * | 2013-06-14 | 2014-12-31 | 上海交通大学 | Heat storage and exchange method used for recovering waste heat of smoke with flying ash |
| CN103335528A (en) * | 2013-06-16 | 2013-10-02 | 苏州工业园区欣隆电热仪器有限公司 | Heat recovery system for burn-in room |
| CN103672870A (en) * | 2013-10-10 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Combustion device for heating furnace and heating furnace with combustion device |
| CN104359314A (en) * | 2014-11-18 | 2015-02-18 | 中冶南方工程技术有限公司 | Energy-saving heating furnace system for recycling smoke waste heat and smoke waste heat recycling method |
| CN104359314B (en) * | 2014-11-18 | 2016-06-29 | 中冶南方工程技术有限公司 | The energy-saving heating furnace system of a kind of Mist heat recovering and flue gas waste heat recovery method |
| CN106052377A (en) * | 2016-07-27 | 2016-10-26 | 北京神雾环境能源科技集团股份有限公司 | Fuel gas cupola furnace |
| CN112325662A (en) * | 2020-11-11 | 2021-02-05 | 岳阳联创热能设备有限公司 | Rotary continuous heat storage box |
| CN113175824A (en) * | 2021-04-16 | 2021-07-27 | 河北科技大学 | Heat accumulating type heating furnace with one-side combustion function and using method thereof |
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Application publication date: 20130116 |