CN102954701A - Commutatorless high-temperature heat exchanger - Google Patents
Commutatorless high-temperature heat exchanger Download PDFInfo
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- CN102954701A CN102954701A CN2012105009982A CN201210500998A CN102954701A CN 102954701 A CN102954701 A CN 102954701A CN 2012105009982 A CN2012105009982 A CN 2012105009982A CN 201210500998 A CN201210500998 A CN 201210500998A CN 102954701 A CN102954701 A CN 102954701A
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- heat storage
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- flue gas
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention relates to a commutatorless high-temperature heat exchanger. A heat storage device comprises a lower cylinder, a rotor heat storage body and an upper cylinder which are arranged in sequence, wherein the lower cylinder is fixedly arranged on a framework; the lower cylinder is partitioned into a low-temperature air chamber and a low-temperature gas chamber; a side face of the lower cylinder is provided with a low-temperature air inlet and a low-temperature gas outlet; the rotor heat storage body is supported against the lower cylinder in a free rotation manner and is filled with a heat storage medium; the upper cylinder is positioned on the rotor heat storage body and is fixedly arranged on the framework; the upper cylinder is partitioned into a high-temperature gas chamber and a high-temperature air chamber; the top of the upper cylinder is provided with a high-temperature gas inlet and a high-temperature air outlet; the high-temperature gas inlet in the upper cylinder is communicated with the low-temperature gas outlet in the lower cylinder; the low-temperature air inlet in the lower cylinder is communicated with the high-temperature air outlet in the upper cylinder; and a driving mechanism on the framework is in drive connection with the rotor heat storage body to drive the rotor heat storage body to rotate. The high-temperature gas heat is continuously transferred to combustion-supporting air by the rotation of the rotor heat storage body, so that thermal-state continuous operation and heat exchange are realized, and the heat exchange efficiency is high.
Description
Technical field
The present invention relates to a kind of without the commutation high-temperature heat-exchanging, for the Industrial Stoves that do not adopt hot water or the use occasion of Steam Recovery heat.
Background technology
Heat accumulating type high temperature air combustion technology (HTAC) is the combustion technology of a kind of novel concept of late 1980s appearance, recovery waste heat and efficient burning and reduction NO
xThe technology such as discharging organically combine, thereby have realized energy-conservation and reduction NO
xThe double goal of discharge capacity.Along with the progress of equipment and material, effects of regenerative heat exchanging technology is widely applied at heating furnace and the ladle baking facility of smelter.Yet, also have some self problem when this technology has huge energy-saving potential.
For example, in the nonferrous metallurgy industry, owing to its technology characteristics, the variations in temperature in the stove is very big for molten aluminium stove.Just installed the stove furnace temperature of cold burden between 500 ℃～600 ℃, in addition lower.The furnace temperature of this moment is lower than the ignition temperature of fuel, and the while, the commutation type accumulation of heat can't guarantee the normal combustion of the rear fuel of each commutation owing to material in the stove blocks.The general traditional combustion mode that adopts is brought up to furnace temperature the method for opening again hold over system more than 800 ℃, perhaps adopts the method for altar lamp or burner successively-ignited reversing combustion burner on duty.So both cause the unnecessary waste of fuel, improved again workman's labour intensity.Each burner combustion smoke evacuation of working in pairs of tradition commutation type technology, burner hockets, and certainly will cause like this furnace pressure fluctuation, and frequent commutation causes control valve fragile, and the unsuccessful problem such as fault alarm that causes of lighting a fire.Directly impact is produced thereby commutating device fault and the combustion system that causes can't be worked, and has simultaneously certain potential safety hazard.Increased the input of commutation part for being interrupted the commutation type burner, if use simultaneously coal gas to act as a fuel, the combustion system commutation has also increased operating personnel's operational risk, for addressing this problem, also will drop into suitable fund.
How to address these problems, make that this power-saving technology application is more wide, energy-saving effect significantly is necessary.This just requires on pulse heat recover basis according to for a long time use experience and the circumscribed understanding of these systems is further developed performance and more stablized superior new-type heat regenerator.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, provide a kind of without the commutation high-temperature heat-exchanging.
Purpose of the present invention is achieved through the following technical solutions:
A kind of without the commutation high-temperature heat-exchanging, characteristics are: comprise framework, regenerative apparatus and driving mechanism, the cylindrical structure of described regenerative apparatus, comprise lower shell, rotor heat storage and the upper shell arranged successively, lower shell is fixed on the framework, the lower shell interior separation has Cryogenic air chamber and low-temperature flue gas chamber, and the lower shell side is provided with Cryogenic air import and low-temperature flue gas outlet; The rotor heat accumulator rotary is supported on the lower shell freely, and the rotor heat storage is filled with heat storage medium; Upper shell is positioned on the rotor heat storage and is fixed on the framework, and the upper shell interior separation has high-temperature flue gas chamber and high temperature air chamber, and the upper shell top is provided with high-temperature flue gas import and high temperature air outlet; High-temperature flue gas import on the upper shell is answered mutually with the low-temperature flue gas outlet on the lower shell, and the Cryogenic air import on the lower shell is corresponding with the high temperature air outlet on the upper shell; Driving mechanism is installed on the framework, and driving mechanism drives to be connected with the rotor heat storage and drives its rotation.
Further, above-mentioned is a kind of without the commutation high-temperature heat-exchanging, and the upper surface of described rotor heat storage and lower surface are separately installed with the labyrinth seal flange, connect with upper shell, lower shell respectively; Rotor heat storage inside is a plurality of thermal storage units by separator lined, and each hot cell is all filled heat storage medium, all installs on each dividing plate with the sealing strip of strengthening pressing plate.
Further, above-mentioned a kind of nothing commutation high-temperature heat-exchanging, the Cryogenic air import department of described lower shell connects a radiating tube, and the radiating tube outlet is evenly arranged in upper shell and rotor heat storage junction.
Again further, above-mentioned is a kind of without the commutation high-temperature heat-exchanging, and blunt the wheel installed along circumferentially being evenly equipped with the pin tooth assembly in the outer ring, bottom of described rotor heat storage on the motor output shaft of driving mechanism, and blunt the wheel with the pin tooth assembly is meshed.
The substantive distinguishing features that technical solution of the present invention is outstanding and significant progressive being mainly reflected in:
By a rotating heat storage, realize continual heat exchange when realizing effectively isolating between combustion air and the flue gas, combustion gas and air all do not commutate in the combustion system course of work, the burning of flame continous-stable, effectively reduce the potential safety hazard that commutation exists, thereby the burner operation process has guaranteed the stable of the interior temperature and pressure of stove continuously, fundamentally solved and be interrupted the problem that heat transfer technology self exists, and traditional heat-accumulation combustion mode needs the energy waste problem that adopts altar lamp or the burner successively-ignited reversing combustion on duty to cause in the use procedure of aluminium industry.The rotation of rotor heat storage constantly passes to combustion air with the heat of high-temperature flue gas, and rotor and upper and lower cylindrical shell junction are adopted labyrinth seal and hermetic seal to stop hot gas and leaked outside, and realize hot continuous operation and heat exchange; Running environment is stable, work carry out continuously and heat exchange efficiency high.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: structural representation of the present invention;
Fig. 2: the schematic top plan view of rotor heat storage.
The specific embodiment
As shown in Figure 1, a kind of without the commutation high-temperature heat-exchanging, comprise framework 6, regenerative apparatus and driving mechanism 3, the cylindrical structure of regenerative apparatus, comprise lower shell 4, rotor heat storage 2 and the upper shell 1 arranged successively, lower shell 4 is fixed on the framework 6, and the lower shell interior separation has Cryogenic air chamber and low-temperature flue gas chamber, and the lower shell side is provided with Cryogenic air import 9 and low-temperature flue gas outlet 8; 2 rotations of rotor heat storage are supported on the lower shell 4 freely, and rotor heat storage 2 is filled with heat storage medium; Upper shell 1 is positioned on the rotor heat storage and is fixed on the framework, and the upper shell interior separation has high-temperature flue gas chamber and high temperature air chamber, and the upper shell top is provided with high-temperature flue gas import 7 and high temperature air outlet 10; Low-temperature flue gas outlet 8 on high-temperature flue gas import 7 on the upper shell and the lower shell communicates, and the Cryogenic air import 9 on the lower shell exports 10 with high temperature air on the upper shell and communicates; Driving mechanism 3 is installed on the framework, and blunt the wheel installed along circumferentially being evenly equipped with the pin tooth assembly in the outer ring, bottom of rotor heat storage on the motor output shaft of driving mechanism, and blunt the wheel with the pin tooth assembly is meshed, and driving mechanism 3 drives rotor heat storage 2 around center rotating.Rotor heat storage 2 in order to prevent the circulation between air and the flue gas, all arranges sealing plate in rotor heat storage 2 upper and lower end faces when work.Difference for the operating temperature of heat exchanger different parts is coated with fireproof coating in the metal surface that contacts with high-temperature gas.
As shown in Figure 2, the upper surface of rotor heat storage 2 and lower surface are separately installed with labyrinth seal flange 21, connect with upper shell 1, lower shell 4 respectively, adopt labyrinth flange seal and cold air sealing between rotor heat storage 2 and the upper shell 1, draw a radiating tube 5 to upper shell from lower shell Cryogenic air import 9, radiating tube 5 outlets are arranged in upper shell 1 and rotor heat storage 2 junctions uniformly, adopt the cold air sealing, and the double insurance measure is effectively stopped hot gas and leaked outside; Adopt the labyrinth flange seal between rotor heat storage 2 and the lower shell 4.Rotor heat storage inside is divided into a plurality of thermal storage units by dividing plate 24, each hot cell is all filled heat storage medium, all install on each dividing plate 24 with the sealing strip 23 of strengthening pressing plate, wide seal area design arrangement is installed respectively multiple-sealed between rotor and the upper and lower cylindrical shell, flue gas is become separately flow channel with combustion air effective separation open form; Heat storage is not to be full of rotor fully, two ends are all stayed between certain vacant and upper and lower fixed cylinder and are formed the gap, adopt upper sealing panel 22 to form wide seal area in the gap, make flue gas and air that separately passage be arranged, prevent mutual leakage in the time of the realization Continuous Heat Transfer.
During concrete the application, after burner is lighted, high-temperature flue gas A enters rotor heat storage 2 by high-temperature flue gas import 7 and flue on the upper shell, high-temperature flue gas is top-down to be heated by regenerator and with heat storage medium, heat energy just is stored in the heat storage, discharges by the outlet of the low-temperature flue gas on the lower shell 8 through the waste gas of heat exchange.Combustion air B enters rotor heat storage 2 by Cryogenic air import 9 on the lower shell, from bottom to top pass through regenerator, combustion air when the heat storage with high-temperature thermal storage body generation heat exchange, heated combustion air is admitted to burner through high temperature air outlet 10 on the upper shell and participates in burning.Heat exchanger central transmission part is slowly rotated regenerator, and when the heat storage medium of accumulation of heat forwarded cold combustion air approaching side to, cold combustion air was heated, and heat storage medium is cooled simultaneously, the then combustion air of heat and fuel mix burning, heating furnace.Because rotor is continuous operation, cooled heat storage medium turns to again fume side, and heat storage is heated again, and heat storage stores new heat energy again, thermal power transfer so continuously, thus can realize continuously supplying with combustion air through preheating to burner.
During work, flue gas and combustion air reverse movement, continuous rotary by center roller with the heat of high-temperature flue gas constantly exchange to combustion air, but burner continuous operation, process heat exchange smog discharge temperature is less than 200 ℃, combustion air temperature can reach flue-gas temperature-150 ℃, realizes hot continuous operation and heat exchange.
By a rotating heat storage, realize continual heat exchange when realizing effectively isolating between combustion air and the flue gas, combustion gas and air all do not commutate in the combustion system course of work, the burning of flame continous-stable, effectively reduce the potential safety hazard that commutation exists, thereby the burner operation process has guaranteed the stable of the interior temperature and pressure of stove continuously, fundamentally solved and be interrupted the problem that heat transfer technology self exists, and traditional heat-accumulation combustion mode needs the energy waste problem that adopts altar lamp or the burner successively-ignited reversing combustion on duty to cause in the use procedure of aluminium industry.The rotation of rotor constantly passes to combustion air with the heat of high-temperature flue gas, and rotor and upper and lower cylindrical shell junction are adopted labyrinth seal and hermetic seal to stop hot gas and leaked outside, and realize hot continuous operation and heat exchange; Running environment is stable, work carry out continuously and heat exchange efficiency high.
What need to understand is: the above only is preferred embodiment of the present invention; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
- One kind without the commutation high-temperature heat-exchanging, it is characterized in that: comprise framework, regenerative apparatus and driving mechanism, the cylindrical structure of described regenerative apparatus, comprise lower shell, rotor heat storage and the upper shell arranged successively, lower shell is fixed on the framework, the lower shell interior separation has Cryogenic air chamber and low-temperature flue gas chamber, and the lower shell side is provided with Cryogenic air import and low-temperature flue gas outlet; The rotor heat accumulator rotary is supported on the lower shell freely, and the rotor heat storage is filled with heat storage medium; Upper shell is positioned on the rotor heat storage and is fixed on the framework, and the upper shell interior separation has high-temperature flue gas chamber and high temperature air chamber, and the upper shell top is provided with high-temperature flue gas import and high temperature air outlet; High-temperature flue gas import on the upper shell is answered mutually with the low-temperature flue gas outlet on the lower shell, and the Cryogenic air import on the lower shell is corresponding with the high temperature air outlet on the upper shell; Driving mechanism is installed on the framework, and driving mechanism drives to be connected with the rotor heat storage and drives its rotation.
- 2. according to claim 1 a kind of without the commutation high-temperature heat-exchanging, it is characterized in that: the upper surface of described rotor heat storage and lower surface are separately installed with the labyrinth seal flange, connect with upper shell, lower shell respectively; Rotor heat storage inside is a plurality of thermal storage units by separator lined, and each hot cell is all filled heat storage medium, all installs on each dividing plate with the sealing strip of strengthening pressing plate.
- 3. according to claim 1 a kind of it is characterized in that: the Cryogenic air import department of described lower shell connects a radiating tube without the commutation high-temperature heat-exchanging, and radiating tube outlet is evenly arranged in upper shell and rotor heat storage junction.
- 4. according to claim 1 a kind of without the commutation high-temperature heat-exchanging, it is characterized in that: the blunt wheel installed along circumferentially being evenly equipped with the pin tooth assembly in the outer ring, bottom of described rotor heat storage on the motor output shaft of driving mechanism, the blunt wheel with the pin tooth assembly is meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105009982A CN102954701A (en) | 2012-11-30 | 2012-11-30 | Commutatorless high-temperature heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105009982A CN102954701A (en) | 2012-11-30 | 2012-11-30 | Commutatorless high-temperature heat exchanger |
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| CN102954701A true CN102954701A (en) | 2013-03-06 |
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| CN2012105009982A Pending CN102954701A (en) | 2012-11-30 | 2012-11-30 | Commutatorless high-temperature heat exchanger |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982907A (en) * | 2014-04-30 | 2014-08-13 | 苏州有色金属研究院有限公司 | Sealing structure for continuous rotary high-temperature heat exchanger |
| CN106989609A (en) * | 2017-04-28 | 2017-07-28 | 岳阳鑫特热能工程技术有限公司 | It is successively heat exchanged device |
| CN109556167A (en) * | 2019-01-24 | 2019-04-02 | 河北建筑工程学院 | A kind of modification formula hot stored electric heating |
| CN111271589A (en) * | 2020-03-05 | 2020-06-12 | 宣化钢铁集团有限责任公司 | Energy-efficient sealed steam trap |
Citations (6)
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| JP2003322329A (en) * | 2002-04-26 | 2003-11-14 | Babcock Hitachi Kk | Rotation regenerated air preheater and its soot blower method |
| CN101737796A (en) * | 2009-12-30 | 2010-06-16 | 吴道洪 | Continuous-rotation heat accumulating type air preheater |
| CN102080933A (en) * | 2009-10-21 | 2011-06-01 | 上海锅炉厂有限公司 | Rotary high-temperature air preheater |
| CN102095206A (en) * | 2011-02-14 | 2011-06-15 | 燕守志 | Sealed recovery system for rotary air preheater |
| CN102288042A (en) * | 2011-08-11 | 2011-12-21 | 苏州博能炉窑科技有限公司 | Continuously-rotary-type high temperature heat storage device |
| CN202993870U (en) * | 2012-11-30 | 2013-06-12 | 苏州有色金属研究院有限公司 | Reversing-free high temperature heat exchanger |
-
2012
- 2012-11-30 CN CN2012105009982A patent/CN102954701A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003322329A (en) * | 2002-04-26 | 2003-11-14 | Babcock Hitachi Kk | Rotation regenerated air preheater and its soot blower method |
| CN102080933A (en) * | 2009-10-21 | 2011-06-01 | 上海锅炉厂有限公司 | Rotary high-temperature air preheater |
| CN101737796A (en) * | 2009-12-30 | 2010-06-16 | 吴道洪 | Continuous-rotation heat accumulating type air preheater |
| CN102095206A (en) * | 2011-02-14 | 2011-06-15 | 燕守志 | Sealed recovery system for rotary air preheater |
| CN102288042A (en) * | 2011-08-11 | 2011-12-21 | 苏州博能炉窑科技有限公司 | Continuously-rotary-type high temperature heat storage device |
| CN202993870U (en) * | 2012-11-30 | 2013-06-12 | 苏州有色金属研究院有限公司 | Reversing-free high temperature heat exchanger |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982907A (en) * | 2014-04-30 | 2014-08-13 | 苏州有色金属研究院有限公司 | Sealing structure for continuous rotary high-temperature heat exchanger |
| CN106989609A (en) * | 2017-04-28 | 2017-07-28 | 岳阳鑫特热能工程技术有限公司 | It is successively heat exchanged device |
| CN109556167A (en) * | 2019-01-24 | 2019-04-02 | 河北建筑工程学院 | A kind of modification formula hot stored electric heating |
| CN111271589A (en) * | 2020-03-05 | 2020-06-12 | 宣化钢铁集团有限责任公司 | Energy-efficient sealed steam trap |
| CN111271589B (en) * | 2020-03-05 | 2024-05-24 | 宣化钢铁集团有限责任公司 | Efficient and energy-saving sealed steam drainage device |
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Application publication date: 20130306 |