CN201992643U - Novel heat accumulation type burner - Google Patents
Novel heat accumulation type burner Download PDFInfo
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- CN201992643U CN201992643U CN2011200726903U CN201120072690U CN201992643U CN 201992643 U CN201992643 U CN 201992643U CN 2011200726903 U CN2011200726903 U CN 2011200726903U CN 201120072690 U CN201120072690 U CN 201120072690U CN 201992643 U CN201992643 U CN 201992643U
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Abstract
The utility model discloses a novel heat accumulation type burner, which comprises a burning chamber, the top of the burning chamber is provided with a high-temperature gas outlet, and the bottom of the burning chamber is provided with a gas inlet into which the air and the gas can simultaneously get. The burner is characterized in that: the burner also comprises at least one alternating heat accumulation unit, each alternating heat accumulation unit comprises two heat accumulation chambers, an air supplier for heat accumulation, a lower-temperature exhaust and a four-way reversing valve, heat accumulation bodies are arranged in the heat accumulation chambers, the side of the burning chamber is provided with gas orifices which are connected with the two heat accumulation chambers, and the two heat accumulation chambers, the air supplier for heat accumulation and the lower-temperature exhaust are connected with the four ports of the four-way reversing valve through pipelines. The utility model can solve the defects of the conventional burner that: the conventional burner cannot burn low-heat value gas, the flame temperature is low, and burning is unstable.
Description
Technical field
The utility model belongs to the combustion apparatus technical field, particularly a kind of New Regenerative burner.
Background technology
" experimental study of high temperature air heat storage type combustion " (Northeastern University, Jiang Honglin, master thesis) development course of HTAC and the operation principle of high-temperature low-oxygen heat-storage type burner have been summarized in, the high-temperature low-oxygen heat-storage type burner is a pair of burner that has heat storage, this burner is under the control of automatic reverse system, can realize accurate regularly constant temperature commutation work, burner must occur in pairs, is installed on the stove.During work, a burner combustion, another burner serves as the retracting device of flue gas heat.Two burner exchange duties change air and flue gas flow direction by a reversal valve after a period of time.
" the international development trend of HTAC " (Tsing-Hua University, Qi Haiying etc., the industry heating) mentions low-heat value gas (calorific value 3140 ~ 3980) such as blast furnace gas in, in China's metallurgy industry, obtained good achievement by technology such as the two preheatings of coal gas air, not only satisfied the requirement of workpiece heating-up temperature, and solved the stability problems of low-heat value gas.There are a lot of people to propose the two application of preheating technology under different stoves and production technology of various design research air gas, as " air, the gas double pre-heating technology is in the application of gas burning lime kiln " (Baode Charging Stock Co., Ltd., Jinan, Zhang Yuhua etc., Shandong metallurgy), " utilizing blast furnace gas and combustion air technology to improve the research of blast-furnace hot-air temperature " (Anshan Thermal Energy Inst., banket etc., the iron and steel annual meeting), " separate heat pipe coal gas, the two application of preheater on the Baosteel 4# blast funnace hot blast stove of Shanghai of air " (Shanglide Heat Transfer Technique Co., Ltd., Dalian, Jin Wanjin, power-saving technology) or the like.But these schemes or do not reach manufacturing technique requirent, otherwise equipment cost is too high, and economic benefit is bad.And the two preheatings of coal gas air have high requirements to safety guarantee, and security incident takes place easily.
Summary of the invention
The utility model purpose is: a kind of New Regenerative burner is provided, and it can solve conventional burners can not lower heat of combustion gas, and flame temperature is low, can not smooth combustion etc. shortcoming.
The technical solution of the utility model is: a kind of New Regenerative burner, comprise the combustion chamber, and the top of described combustion chamber is provided with the high-temperature gas outlet, and the bottom is provided with the air inlet that supplies air and combustion gas to enter simultaneously; It is characterized in that also comprising at least one alternative expression regenerative apparatus, each alternative expression regenerative apparatus includes regenerator, accumulation of heat air transport device, cryopumping device and the four-way change-over valve of establishing heat storage in two; The side of described combustion chamber has blow vent and links to each other with two regenerator, and two regenerator and accumulation of heat are with linking to each other with four interfaces of four-way change-over valve by pipeline between air transport device and the cryopumping device.
Further, each alternative expression regenerative apparatus described in the utility model also comprises accumulation of heat combustion gas conveying device and three-way diverter valve, be provided with the side gas nozzle simultaneously on the blow vent of side, described combustion chamber, described two side gas nozzles and accumulation of heat are with linking to each other with three interfaces of three-way diverter valve by pipeline between the combustion gas conveying device three.
Further, inboard, combustion chamber described in the utility model has been separated out inner room and mistress by the high temperature heat conduction baffle, and the blow vent of side, described combustion chamber all directly links to each other with inner room, and the air inlet of bottom, combustion chamber then links to each other with the mistress.After being provided with described high temperature heat conduction baffle, combustion gas that enters from the side, combustion chamber and air just need not to mix with the combustion gas and the air that enter from the bottom surface, combustion chamber, but can carry out heat exchange by the high temperature heat conduction baffle.The high temperature heat conduction baffle is made by the high temperature Heat Conduction Material, and certain described high temperature Heat Conduction Material is a techniques well known.
The same with routine techniques, also comprise main combustion gas conveying device and primary air conveying device in the utility model, be provided with main gas nozzle and main air bleed jet simultaneously on the air inlet of bottom, described combustion chamber, link to each other with the primary air conveying device with main combustion gas conveying device by pipeline respectively.
The same with routine techniques, also comprise the high-temperature exhaust air device in the utility model, the high-temperature gas outlet of described top of combustion chamber links to each other with the high-temperature exhaust air device by pipeline.
Preferably, two regenerator in each alternative expression regenerative apparatus described in the utility model are symmetrically distributed in the both sides, combustion chamber.
Preferably, the pipeline between cryopumping device and the four-way change-over valve is provided with choke valve in the utility model.By regulating the capacity that choke valve is regulated the cryopumping device, regulate the exhaust ratio of high-temperature exhaust air device and cryopumping device with this, thus control high-temperature exhaust air temperature.Certainly it is pointed out that in the utility model if after being provided with the high temperature heat conduction baffle like that as described above, just need not above-mentioned choke valve is set again, but only need rationally to arrange side, combustion chamber and bottom surface air inlet ratio just can effectively control the high-temperature exhaust air temperature.
Preferably, also be provided with heat storage described in the utility model in the combustion chamber, this can further guarantee the flame stabilization of bottom surface, combustion chamber fuel gas buring.
Preferably, the alternative expression regenerative apparatus is two in the utility model, like this when two regenerator in the alternative expression regenerative apparatus commutate by four-way change-over valve, the alternation that two regenerator in another alternative expression regenerative apparatus just can continue is at accumulation of heat and heat release state, thereby guarantee that internal pressure of combustion chamber field, temperature field do not have too great fluctuation process, keep the stable of high temperature air outlet temperature and flow.
In actual implementation process, high-temperature exhaust air device described in the utility model adopts high temperature resistant blower fan, the cryopumping device can adopt air-introduced machine, described primary air conveying device, accumulation of heat all can be adopted air blast with air transport device, and described main combustion gas conveying device and accumulation of heat are then adopted special combustion gas delivery pump with the combustion gas conveying device.
The utility model is used for lower heat of combustion gas (as gas and all kinds of low-heat value gas), so the combustion gas of main gas nozzle input is meant low-BTU gas; Consider that temperature requirement is (higher as if temperature requirement in the stability (differ light surely with low-BTU gas) of starting stage igniting and the combustion chamber, the side gas nozzle adopts low-BTU gas to differ and meets the demands surely), so the combustion gas of side fuel nozzle input can be adopted common gases fuel (conventional coal gas, natural gas, liquefied petroleum gas), also can adopt low-BTU gas.Low-BTU gas in the utility model is well known to those skilled in the art.
When the single alternative expression regenerative apparatus in the utility model is worked, with air transport device air is sent into the regenerator in a side (left side) earlier by accumulation of heat, enter the combustion chamber through behind the heat storage, this moment top of combustion chamber the high-temperature gas port closing, the main gas nozzle of bottom, combustion chamber and main air bleed jet are then sent into combustion gas and air simultaneously and are burnt with the air that the side feeds, treat that sufficient combustion after-combustion product (flue gas) enters opposite side (right side) regenerator, and heating this indoor heat storage, discharge from the cryopumping device through four-way change-over valve again after being cooled to below the predetermined temperature (200 ℃).Carrying out along with combustion process, after treating to be increased to predetermined temperature (200 ℃) from the gas temperature that the cryopumping device is discharged, the four-way change-over valve commutation, accumulation of heat is sent air into the right side regenerator earlier with air transport device, through entering combustion chamber and air of coming in and combustion gas mixing burning after the heat storage preheating of its internal high temperature again from the bottom, combustion chamber, combustion product (flue gas) is discharged from the left side regenerator and is heated heat storage in it, treats to discharge from the cryopumping device through four-way change-over valve after combustion product is cooled to predetermined temperature (200 ℃) again.After treating that effluent air temp is increased to predetermined temperature (200 ℃), four-way change-over valve is implemented commutation again, so alternately repeats said process, keeps high temperature in the combustion chamber with this.In the running of alternative expression regenerative apparatus, treat to reach in the combustion chamber when setting high temperature (1200 ℃), just can strengthen the air and the combustion gas straying quatity of bottom, combustion chamber, open the high-temperature gas outlet simultaneously, constantly discharge high-temperature gas and use for heating and calcining.
Increased in the utility model after the side gas nozzle, during the work of alternative expression regenerative apparatus, combustion gas can spray in the combustion chamber by the side gas nozzle, together mixes in advance with the air of sending into from the side, combustion chamber with air transport device by accumulation of heat, in the combustion chamber internal combustion.Like this in the starting stage, the bottom, combustion chamber need not feeding combustion gas and air early, but can wait until that the alternative expression regenerative apparatus alternately operates a period of time, indoor gas to be burnt begins to feed combustion gas and air after reaching and setting high temperature (1200 ℃), mixed combustion, open the high-temperature gas outlet again, discharge high-temperature gas and use for heating and calcining.
During the utility model work, the high-temperature combustion product (high-temperature flue gas) that produces behind air that enters by side, combustion chamber and bottom surface and the fuel gas buring, a part is discharged from the high-temperature gas outlet of upper end, combustion chamber and is used for heating and calcining, a part of then in the regenerator of side, combustion chamber, continue the heating heat storage, keep the high temperature in the combustion chamber, be expelled to the cryopumping device at last.
The utility model has the advantages that:
1. the utility model is compared with conventional burners, owing to be provided with the alternative expression regenerative apparatus, alternate combustion by two regenerator in the alternative expression regenerative apparatus is kept high temperature in the combustion chamber, improve the temperature of combustion chamber and high-temperature gas outlet exhaust, make the utility model low-BTU gas can be used for the continuous heating or the calcining of large-scale stove.That summarizes says that the utility model is actually be coupled conventional burners and high-temperature thermal storage type combustion technology, reaches the effect that can lower heat of combustion gas can discharge high-temperature gas again.
2. the utility model compares with adopting the two preheating technology lower heat of combustion burning of gas devices of gas-air, latter's apparatus expensive, take up room big and efficient lower, the utility model then equipment is simple, and it is little to take up room, and cost is low, and can directly contact or heat exchange by gas during its work, the burning heat production of whole combustion gas is all focused on the part of smoke, thereby significantly improve the temperature that high temperature is discharged gas, thermal efficiency height.
3. the utility model carries out preheating, operation safe owing to need not other equipment to combustion gas.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the structural representation of a kind of preferred embodiment of the utility model;
Fig. 2 is the combustion chamber internal structure schematic diagram of the utility model the 4th embodiment;
Fig. 3 is the combustion chamber internal structure schematic diagram of the utility model the 5th embodiment.
Wherein: 1, combustion chamber; 2, high-temperature gas outlet; 3, heat storage; 4, left regenerator; 5, right regenerator; 6, accumulation of heat air transport device; 7, four-way change-over valve; 8, left side gas nozzle; 9, right side gas nozzle; 10, high temperature heat conduction baffle; A, inner room; B, mistress; 11, main gas nozzle; 12, main air bleed jet; 13, choke valve; 14, heat storage support.
The specific embodiment
Embodiment 1: in conjunction with shown in Figure 1, a kind of comparatively preferred embodiment for the New Regenerative burner, it is made of jointly combustion chamber 1, single regenerative apparatus, main combustion gas conveying device (not drawing among the figure), primary air conveying device (not drawing among the figure) and high-temperature exhaust air device (not drawing among the figure).The top of described combustion chamber 1 is provided with high-temperature gas outlet 2, and this high-temperature gas outlet 2 links to each other with the high-temperature exhaust air device by pipeline; 1 bottom, combustion chamber is provided with the air inlet that supplies air and combustion gas to enter simultaneously, is provided with main gas nozzle 11 and main air bleed jet 12 on this air inlet simultaneously, links to each other with the primary air conveying device with main combustion gas conveying device by pipeline respectively.
Alternative expression regenerative apparatus in the present embodiment is by the left and right sides regenerator 4,5 that is symmetrically distributed in 1 both sides, combustion chamber, left and right sides gas nozzle 8,9, accumulation of heat is formed with combustion gas conveying device (not drawing among the figure), three-way diverter valve (not drawing among the figure), cryopumping device (not drawing among the figure), four-way change-over valve 7 and choke valve 13 jointly with air transport device 6, accumulation of heat.The side of described combustion chamber 1 has blow vent and links to each other with left and right sides regenerator 4,5, is equipped with heat storage 3 in these two regenerator 4,5.Left and right sides regenerator 4,5, accumulation of heat are with linking to each other with four interfaces of four-way change-over valve 7 by pipeline between air transport device 6 and the cryopumping device.Also be respectively equipped with left and right sides gas nozzle 8,9 on the blow vent of 1 both sides, described combustion chamber, left and right sides gas nozzle 8,9 and accumulation of heat are with linking to each other with three interfaces of three-way diverter valve by pipeline between the combustion gas conveying device three.
High-temperature exhaust air device described in the present embodiment adopts high temperature resistant blower fan, the cryopumping device adopts air-introduced machine, described primary air conveying device, accumulation of heat are all adopted air blast with air transport device 6, and described main combustion gas conveying device and accumulation of heat are then adopted special combustion gas delivery pump with the combustion gas conveying device.
Present embodiment operation principle following (main gas nozzle 11 input low-heat value gas in the present embodiment, the conventional coal gas of left and right side gas nozzle 8,9 inputs):
In conjunction with shown in Figure 1, initial period, accumulation of heat is an air blast with air transport device 6() blast air and behind cross valve 7, enter left regenerator 4, through behind the heat storage 3, enter combustion chamber 1, simultaneously left side gas nozzle 8 is sent into coal gas abundant after-combustion product (high-temperature flue gas) that burns combustion chamber 1 in by accumulation of heat with combustion gas conveying device (being the combustion gas delivery pump) and is entered right regenerator 5 and heat heat storage 3 in the right regenerator 5, be cooled to below 200 ℃, be expelled to cryopumping device (being air-introduced machine) through four-way change-over valve 7 and choke valve 13.Carrying out along with combustion process, the gas temperature of discharging in the choke valve 13 can raise gradually, after being elevated to 200 ℃ of predetermined temperature, four-way change-over valve 7 commutations, accumulation of heat blasts with air transport device 6 that air enters right regenerator 5 and by its inner these heat storage 3 preheatings with regard to high temperature like this, left side gas nozzle 8 cuts out simultaneously, right side gas nozzle 9 is supplied with coal gas, with be mixed into combustion chamber 1 burning by the high temperature air of heat storage 3 preheatings in the right regenerator 5, the high-temperature flue gas that burning produces is discharged the heat storage 3 that heats simultaneously in the left regenerator 4 from left regenerator 4, high-temperature flue gas is cooled to below 200 ℃ like this, is expelled to the cryopumping device by four-way change-over valve 7 and choke valve 13.After the gas temperature of discharging from choke valve 13 was increased to 200 ℃, four-way 7 valves that commutate commutated again, so alternately repeat above-mentioned steps, kept high temperature in the combustion chamber 1 with this.
In the running of alternative expression regenerative apparatus, when combustion chamber 1 reach set 1200 ℃ of high temperature after, the main air bleed jet 12 of 1 bottom, combustion chamber begins to spray into air, main simultaneously gas nozzle 11 sprays into low-heat value gas, mixed combustion in combustion chamber 1, because combustion chamber 1 is in very high-temperature and 4, the 5 accumulation of heat effects of left and right sides regenerator, make that the combustion product high-temperature flue gas in the combustion chamber 1 keeps very high-temperature.
Burner enters steady-working state, be that left and right sides regenerator 4,5 is periodically switched four-way change-over valve 7 commutations according to the low temperature exhaust gas temperature, left and right sides gas nozzle 8,9 is corresponding jet or not jet simultaneously, 1 bottom, combustion chamber constantly blasts low-heat value gas, air burning, combustion chamber 1 upper end high-temperature gas outlet 2 is opened, and constantly discharges high-temperature gas and uses for heating and calcining.By regulating the exhaust smoke level that choke valve 13 is regulated the cryopumping device, thereby the exhaust ratio of regulating high-temperature exhaust air device and cryopumping device is controlled the high-temperature exhaust air temperature with this.
During present embodiment work, the high-temperature combustion product (high-temperature flue gas) that produces behind air that enters by 1 side, combustion chamber and bottom surface and the fuel gas buring, a part from the combustion chamber 1 upper end high-temperature gas outlet 2 discharge and use for heating and calcining, a part of then in the regenerator 4,5 of 1 side, combustion chamber, continue heating heat storage 3, keep the high temperature in the combustion chamber 1, be expelled to the cryopumping device at last.
Adopt two alternative expression regenerative apparatuses in the present embodiment, i.e. 4 regenerator of 1 side arrangement in the combustion chamber, like this when two regenerator 4,5 in the alternative expression regenerative apparatus commutate by four-way change-over valve 7, two regenerator in another alternative expression regenerative apparatus just can continue, stable alternation is at accumulation of heat and heat release state, thereby guarantee that 1 internal pressure field, combustion chamber, temperature field do not have too great fluctuation process, keep the stable of high temperature air outlet temperature and flow.
Other are identical with embodiment 1 for present embodiment.
Left and right sides gas nozzle 8,9 is not set in the present embodiment, and coal gas is all sent into by 1 bottom, combustion chamber.Promptly just spray into low-heat value gas and the air burning that blasts from left and right sides regenerator 4,5 at initial period master gas nozzle 11, high-temperature gas outlet this moment 2 is closed, left and right sides regenerator 4,5 is alternately running under the effect of four-way change-over valve 7, Deng reach to combustion chamber 1 set high temperature (1200 ℃) after, strengthen the flow of main gas nozzle 11 and open main air bleed jet 12 simultaneously and high-temperature gas outlet 2, high-temperature gas is discharged by high-temperature gas outlet 2 and is used for heating and calcining.
Other are identical with embodiment 1 for present embodiment.
In conjunction with shown in Figure 2,1 inboard, combustion chamber described in the present embodiment has been separated out inner room a and mistress b by high temperature heat conduction baffle 10, and the blow vent of 1 side, described combustion chamber all directly links to each other with inner room a, and the air inlet of 1 bottom, combustion chamber then links to each other with mistress b.
The gas-air of 1 side, initial period combustion chamber burns in inner room a, after combustion chamber 1 reaches predetermined temperature, the main air bleed jet 12 of 1 bottom, combustion chamber begins to spray into air, and main simultaneously gas nozzle 11 sprays into low-heat value gas, discharges in mistress b burning and by high-temperature gas outlet 2.After being provided with described high temperature heat conduction baffle 10, combustion gas that 1 side enters from the combustion chamber and air just need not Yu 1 bottom surface enters from the combustion chamber combustion gas and air mix, but can carry out heat exchange by high temperature heat conduction baffle 10.The advantage of present embodiment is not need choke valve 13, only needs rationally to arrange 1 side, combustion chamber and bottom surface air inlet ratio to control the high-temperature exhaust air temperature.
Other are identical with embodiment 1 for present embodiment.
Heat storage support 14 is set in combustion chamber 1 in the present embodiment, and heat storage 3 is set on heat storage support 14, the flame stabilization that heat storage 3 can further be guaranteed combustion chamber 1 bottom surface fuel gas buring is set in combustion chamber 1.
Other are identical with embodiment 1 for present embodiment.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.In addition to the implementation, the utility model can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.
Claims (9)
1. a New Regenerative burner comprises combustion chamber (1), and the top of described combustion chamber (1) is provided with high-temperature gas outlet (2), and the bottom is provided with the air inlet that supplies air and combustion gas to enter simultaneously; It is characterized in that also comprising at least one alternative expression regenerative apparatus, each alternative expression regenerative apparatus includes regenerator (4,5), accumulation of heat air transport device (6), cryopumping device and the four-way change-over valve (7) of establishing heat storage (3) in two; The side of described combustion chamber (1) has blow vent and links to each other with two regenerator (4,5), and two regenerator (4,5) and accumulation of heat are with linking to each other with four interfaces of four-way change-over valve (7) by pipeline between air transport device (6) and the cryopumping device.
2. New Regenerative burner according to claim 1, it is characterized in that described each alternative expression regenerative apparatus also comprises accumulation of heat combustion gas conveying device and three-way diverter valve, be provided with side gas nozzle (8,9) on the blow vent of side, described combustion chamber (1) simultaneously, described two side gas nozzles (8,9) and accumulation of heat are with linking to each other with three interfaces of three-way diverter valve by pipeline between the combustion gas conveying device three.
3. a kind of New Regenerative burner according to claim 2, be characterised in that inboard, combustion chamber (1) has been separated out inner room (a) and mistress (b) by high temperature heat conduction baffle (10), the blow vent of side, described combustion chamber (1) all directly links to each other with inner room (a), and the air inlet of combustion chamber (1) bottom then links to each other with mistress (b).
4. according to claim 1 or 2 or 3 described New Regenerative burners, it is characterized in that also comprising main combustion gas conveying device and primary air conveying device, be provided with main gas nozzle (11) and main air bleed jet (12) simultaneously on the air inlet of bottom, described combustion chamber (1), link to each other with the primary air conveying device with main combustion gas conveying device by pipeline respectively.
5. according to claim 1 or 2 or 3 described New Regenerative burners, it is characterized in that also comprising the high-temperature exhaust air device, the high-temperature gas outlet (2) at top, described combustion chamber (1) links to each other with the high-temperature exhaust air device by pipeline.
6. New Regenerative burner according to claim 1 is characterized in that two regenerator (4,5) in described each alternative expression regenerative apparatus are symmetrically distributed in both sides, combustion chamber (1).
7. a kind of New Regenerative burner according to claim 1 is characterized in that the pipeline between cryopumping device and the four-way change-over valve (7) is provided with choke valve (13).
8. a kind of New Regenerative burner according to claim 1 is characterized in that also being provided with in the combustion chamber (1) heat storage (3).
9. a kind of New Regenerative burner according to claim 1 is characterized in that described alternative expression regenerative apparatus is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200726903U CN201992643U (en) | 2011-03-18 | 2011-03-18 | Novel heat accumulation type burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200726903U CN201992643U (en) | 2011-03-18 | 2011-03-18 | Novel heat accumulation type burner |
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| CN201992643U true CN201992643U (en) | 2011-09-28 |
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| CN2011200726903U Expired - Fee Related CN201992643U (en) | 2011-03-18 | 2011-03-18 | Novel heat accumulation type burner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033889A (en) * | 2014-05-28 | 2014-09-10 | 山东科技大学 | Heat accumulating type biomass gasification combustion device and production process thereof |
| CN109442409A (en) * | 2013-09-24 | 2019-03-08 | 湖南巴陵炉窑节能股份有限公司 | A kind of heat accumulating burner and its control method |
-
2011
- 2011-03-18 CN CN2011200726903U patent/CN201992643U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442409A (en) * | 2013-09-24 | 2019-03-08 | 湖南巴陵炉窑节能股份有限公司 | A kind of heat accumulating burner and its control method |
| CN104033889A (en) * | 2014-05-28 | 2014-09-10 | 山东科技大学 | Heat accumulating type biomass gasification combustion device and production process thereof |
| CN104033889B (en) * | 2014-05-28 | 2016-06-29 | 山东科技大学 | The biomass gasification fired device of heat accumulating type and production technology thereof |
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Owner name: ANHUI MODERN CATERING EQUIPMENT DESIGN + RESEARCH Free format text: FORMER OWNER: SUZHOU ANKE ENERGY SAVING TECHNOLOGY CO., LTD. Effective date: 20140728 |
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Free format text: CORRECT: ADDRESS; FROM: 215123 SUZHOU, JIANGSU PROVINCE TO: 230000 HEFEI, ANHUI PROVINCE |
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Effective date of registration: 20140728 Address after: 230000 weft two North Road, Yaohai Industrial Park, Anhui, Hefei Patentee after: Anhui modern catering equipment design and Research Institute Address before: 215123 No. 166 benevolence Road, Suzhou Industrial Park, Jiangsu, China Patentee before: Suzhou Anke Energy-Saving Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20160318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |