CN101608799B - Straw briquette gasification dual-swirl burning furnace - Google Patents
Straw briquette gasification dual-swirl burning furnace Download PDFInfo
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- CN101608799B CN101608799B CN2009101441405A CN200910144140A CN101608799B CN 101608799 B CN101608799 B CN 101608799B CN 2009101441405 A CN2009101441405 A CN 2009101441405A CN 200910144140 A CN200910144140 A CN 200910144140A CN 101608799 B CN101608799 B CN 101608799B
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- 238000002309 gasification Methods 0.000 title claims abstract description 20
- 239000004484 Briquette Substances 0.000 title claims abstract description 18
- 239000010902 straw Substances 0.000 title claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 claims description 52
- 239000006200 vaporizer Substances 0.000 claims description 18
- 239000000779 smoke Substances 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 10
- 239000006052 feed supplement Substances 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 210000000481 breast Anatomy 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 abstract description 6
- 238000010411 cooking Methods 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003546 flue gas Substances 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004449 solid propellant Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010881 fly ash Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000567 combustion gas Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010022000 influenza Diseases 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The invention relates to a straw briquette gasification dual-swirl burning furnace, which is a high-efficient and clean burning device. A furnace body is divided into an upper part and a lower part which are a burning chamber and a gasification chamber respectively, the lower gasification chamber can convert solid fuels such as straw briquettes and the like to combustible gas which is further mixed with primary wind and secondary wind in the swirl burning chamber for burning, then the mixture can rotatablely enter a secondary burning chamber for full burning, the residence time of flames in a furnace chamber is long, and the heat exchange is sufficient; additionally, the device is further provided with an energy-saving water tank which can fully absorb heat contained in flue gas exhausted by the furnace chamber, thereby utilizing the heat energy to the maximum extent. The furnace is characterized by rapid start-up speed (fuel gas can be generated at about 15 minutes after the first ignition and the fuel gas can be generated for only 3-5 minutes after the re-start after furnace is banked up), good furnace banking-up performance (no fire extinguishment within 24 hours), high fuel gasification rate of being more than 75%, full burning of the fuel gas, no production of secondary pollution such as tar, fly ash and the like, high temperature of the furnace chamber and ability of meeting the requirements of Chinese cooking.
Description
Technical field:
The present invention relates to a kind of straw briquette gasification dual-swirl burning furnace, be a kind of be efficient, the clean combustion equipment of gaseous fuel with " stalk briquette " solid fuel conversion.
Background technology:
Also there is the tar secondary pollution as the substitute of coal briquette for civillan use in " stalk briquette " in the burning use, the flying dust that feed intake, deashing causes pollutes, and produces unsafe factors such as CO leakage behind burn insufficient and the banking.Recent study exploitation " stalk briquette " cleaning, safe combustion device occur in succession, but still have many products not fully up to expectations, as: gasification efficiency is not high, fuel gas buring is insufficient, and the intensity of fire deficiency is difficult to satisfy Chinese style cooking demand etc.
Summary of the invention:
For overcoming the defective of prior art, the object of the present invention is to provide a kind of straw briquette gasification dual-swirl burning furnace, on existing research basis, carry out optimal design, make great efforts to increase technology content, can improve stove gasification efficiency and efficiency of combustion, raising fire box temperature, satisfy customer requirements.
Technical solution problem of the present invention adopts following technical scheme:
Straw briquette gasification dual-swirl burning furnace, body of heater are divided into the vaporizer of the combustion chamber and the bottom on top, separate with partition door between combustion chamber and the vaporizer; Described vaporizer comprises the flue that is positioned at the body of heater bottom, is opened in the feed supplement door of side, flue top and is located at the adjustable vaporizer air inlet on the feed supplement door, the grate of being located at the flue below and collection ashcan; The side of described flue is set side by side with the expansion chamber that is communicated with described collection ashcan, the top of expansion chamber is communicated with the mixed once chamber with burner, the mixed once chamber is communicated with the swirl combustion chamber that is in the partition door top by trunnion and diffuser pipe, the top of described swirl combustion chamber is set to secondary combustion chamber, and this secondary combustion chamber is communicated with the chimney of body of heater side top by inner flue; The body of heater sidepiece is provided with adjustable main air intake and secondary air register, and described main air intake is communicated with described mixed once chamber, and described secondary air register is communicated with described swirl combustion chamber, and igniter head of ignition is positioned at the exit of described diffuser pipe.
Design feature of the present invention also is:
Above the side of described body of heater energy-saving cistern is set, is set up in parallel many smoke pipes in the energy-saving cistern, the lower end of each smoke pipe is communicated with the inner flue of described secondary combustion chamber, and the upper end of each smoke pipe is communicated with chimney breast.
The bottom of described energy-saving cistern is provided with and the L-shaped annular coil pipe that is communicated with of tank body, and described coil pipe also is communicated with the outlet valve that protrudes in the body of heater sidepiece around the inwall of described secondary combustion chamber on the coil pipe.
The inner chamber of described swirl combustion chamber is circular bispin stream refractory burner hearth, and the gas outlet of described diffuser pipe enters from the tangential direction of described burner hearth.
The adjustable main air intake of described body of heater sidepiece setting and the structure of secondary air register are, sidewall of the furnace body is provided with the outer tube of a hollow, described outer tube diameter is to offering a wind hole that is communicated with the mixed once chamber, the secondary air hole that is communicated with swirl combustion chamber, be provided with in the described outer tube one can in this outer tube, circumferentially rotate and in axial sliding in manage, should also radially offer two holes by interior pipe body, when two holes of interior pipe respectively with outer tube on wind hole and secondary air hole when overlapping fully, the ventilation maximum of described main air intake and secondary air register, the ventilation that the pipe or the interior pipe that endwisely slips can be regulated main air intake and secondary air register in rotating, outer tube is extended in the outer end of pipe in described, and is provided with adjusting knob in this end of interior pipe.
Compared with the prior art, beneficial effect of the present invention is embodied in:
The present invention is the domestic stove solid biomass gasifies and the fuel gas buring technology fuses into one.The characteristics of this stove and accessory are: toggle speed fast (light a fire for the first time and can produce combustion gas in about 15 minutes, only restarting behind the banking needed 3～5 minutes can produce combustion gas); Banking performance good (not putting out a fire in 24 hours), fuel gasification rate＞75%, fuel gas buring is abundant, can not produce tar, and secondary pollutions such as flying dust, fire box temperature height can satisfy Chinese style cooking requirement.
The cock-type main air intake is communicated with the mixed once chamber, secondary air register is arranged in place, diffuser pipe gas outlet (being that swirl flow combustion is indoor), by the reciprocal or rotation of interior pipe, regulate the ventilation of first and second air door, thereby reach the purpose that combustion gas is fully burnt and controlled ignition temperature.
The burner hearth of integrated poured heat-resisting enhancing bispin stream combustion chamber is the moulding of raw material integral die with refractory concrete and alumina fibre, and swirl combustion chamber is a scroll casing type, and secondary combustion chamber is that surface of revolution is focusing.Combustion gas is at the burner hearth rotary combustion, and the holdup time is long, sufficient combustion, and by smoke convection, radiation and curve focusing reflect and the raising fire box temperature.
Characteristics such as hybrid energy-saving cistern is provided with the circulation coil pipe, and internal flue etc. enlarge heat exchange area as far as possible, improve waste heat recovery efficient, possess installation simultaneously, clear up, and are easy to use.
Description of drawings:
Fig. 1 is a main TV structure schematic diagram of the present invention; Fig. 2 is the right view of Fig. 1; Fig. 2 A is the A-A cutaway view of Fig. 2; Fig. 3 is the structural representation of main air intake and secondary air register; Fig. 4 is the structural representation of secondary combustion chamber and swirl combustion chamber; Fig. 4 A is the vertical view of Fig. 4; Fig. 5 is the front view of energy-saving cistern; Fig. 5 A is the left view of Fig. 5; Fig. 5 B is the vertical view of Fig. 5.
Number in the figure: 1 body of heater, 2 partition doors, 3 flues, 4 feed supplement doors, 5 vaporizer air inlets, 6 grates, 7 collection ashcans, 8 expansion chambers, 9 burners, 10 mixed once chambeies, 11 diffuser pipes, 12 swirl combustion chambers, 13 secondary combustion chambers, 14 inner flues, 15 chimneys, 16 main air intakes, 17 secondary air registers, 18 outer tubes, 19 wind holes, 20 secondary air holes, 21 interior pipes, 22 adjusting knobs, 23 energy-saving cisterns, 24 smoke pipes, 25 coil pipes, 26 outlet valves, 27 ashpits, 28 smoke evacuation control valves, 29 ignitions, 30 peep holes
Below pass through the specific embodiment, and the invention will be further described in conjunction with the accompanying drawings.
The specific embodiment, non-limiting examples is as described below:
Embodiment: in conjunction with Fig. 1-Fig. 2 A, the straw briquette gasification dual-swirl burning furnace of present embodiment, body of heater 1 have the vaporizer that heat-insulation layer and body of heater are divided into the combustion chamber and the bottom on top, separate with partition door 2 between combustion chamber and the vaporizer;
Vaporizer comprises the flue 3 that is positioned at the body of heater bottom, is opened in the feed supplement door 4 of side, flue top and is located at the adjustable vaporizer air inlet 5 on the feed supplement door, the grate 6 of being located at the flue below and collection ashcan 7; When specifically being provided with, feed supplement door 4 is a blank pipe, the hinged shrouding in its end, offer a plurality of apertures on the shrouding, the adjusting knob of vaporizer air inlet 5 also is a panel that offers a plurality of apertures, the rotation adjusting knob makes the hole of panel when hole on the feed supplement door shrouding all overlaps, the wind flow maximum of vaporizer air inlet 5.
In conjunction with Fig. 1, the side of flue 3 is set side by side with the expansion chamber 8 that is communicated with described collection ashcan 7, the top of expansion chamber is communicated with mixed once chamber 10 with burner 9, the mixed once chamber is communicated with the swirl combustion chamber 12 that is in the partition door top by trunnion and diffuser pipe 11, the top of swirl combustion chamber is set to secondary combustion chamber 13, and this secondary combustion chamber is communicated with the chimney 15 of body of heater side top by inner flue 14;
In conjunction with Fig. 2 A and Fig. 3, the body of heater sidepiece is provided with adjustable main air intake 16 and secondary air register 17, and main air intake is communicated with mixed once chamber 10, and secondary air register is communicated with swirl combustion chamber 12, and igniter head of ignition is positioned at the exit of diffuser pipe 11.
In conjunction with Fig. 3, in specifically being provided with, the adjustable main air intake 16 of body of heater sidepiece setting and the structure of secondary air register 17 are, sidewall of the furnace body is provided with the outer tube 18 of a hollow, outer tube diameter is to offering a wind hole 19 that is communicated with mixed once chamber 10, the secondary air hole 20 that is communicated with swirl combustion chamber 12, be provided with in the outer tube 18 one can in this outer tube, circumferentially rotate and in axial sliding in manage 21, should also radially offer two holes by interior pipe body, when two holes of interior pipe respectively with outer tube on wind hole 19 and secondary air hole 20 when overlapping fully, this moment main air intake 16 and secondary air register 17 the ventilation maximum, the ventilation that the pipe 21 or the interior pipe that endwisely slips can be regulated main air intake and secondary air register in rotating, outer tube is extended in the outer end of interior pipe, and is provided with adjusting knob 22 in this end of interior pipe.
In conjunction with Fig. 1,5, energy-saving cistern 23 is set above the side of body of heater 1, be set up in parallel many smoke pipes 24 in the energy-saving cistern, the lower end of each smoke pipe is communicated with the inner flue 14 of described secondary combustion chamber, and the upper end of each smoke pipe is communicated with chimney breast.
In conjunction with Fig. 5 A, 5B, the bottom of energy-saving cistern is provided with and the L-shaped annular coil pipe 25 that is communicated with of tank body, and coil pipe also is communicated with the outlet valve 26 that protrudes in the body of heater sidepiece around the inwall of secondary combustion chamber 13 on the coil pipe.
In conjunction with Fig. 4,4A, the inner chamber of swirl combustion chamber 12 is circular bispin stream refractory burner hearth, and the gas outlet of diffuser pipe 11 enters from the tangential direction of 1 burner hearth, enters behind the rotary combustion in burner hearth and continues rotary combustion in the secondary combustion chamber 13, the flare holdup time is long, and heat exchange is abundant.
The course of work of the present invention:
Held iron pan, open partition door 2, on grate 6 upper berths with the thick slag of 5-10cm, drop into kindling material, and layer overlay stalk briquette chip, drop into stalk briquette again, until the partition door below, raw material is paved partition door 2 on the bonnet, shut the ashpit 27 of material-feeding port 4 and collection ashcan side, put pan well, close main air intake 16 and secondary air register 17, open smoke evacuation control valve 28 and vaporizer air inlet 5 on the chimney then successively, progressively open main air intake 16 and secondary air register 17 after 5 minutes, and try to start ignition 29, and observe chamber of a kitchen range igniting and combustion position from peep hole 30, regulating vaporizer air inlet 5 is gas production with smoke evacuation control valve 28 adjustable solar term intensity; Regulate main air intake 16 and secondary air register 17 and can regulate fire box temperature, i.e. intensity of fire.Close vaporizer air inlet 5 and main air intake 16 and secondary air register 17 and can stop gasification, realize banking.The dust-laden combustion gas that gasification produces during normal operation enters collection ashcan 7 and expansion chamber 8 through grate 6, because of the gravity effect produce gas, ash content from; Under the stack draught effect, flow into burner 9 through the hot combustion gas after the preliminary purification with higher speed, draw and inhale air that main air intake 16 enters mixed once chamber 10 in after the preliminary mixing, injecting diffuser pipe 11 by trunnion further mixes, the wind that enters with secondary air register 17 after ignition 29 is lighted mixes along the tangential direction of swirl combustion chamber 12 and enters in the burner hearth rotation, burning, burns away along with inertia rotates in the secondary combustion chamber 13 then; Improve fire box temperature by convection current, radiation, focusing, reflection simultaneously, and heat is imported in the pot, reach the purpose of cooking by the conduction of pot wall; Waste heat flue gas after the burning is by the inner flue 14 energy-saving cistern internal flue of flowing through, and by tube wall conduction recovery section waste heat, useless flue gas enters atmosphere by chimney, and lime-ash is regularly removed by ashpit 27.Energy-saving cistern can provide drinking water, hot water.But the outlet valve of energy-saving cistern is periodical blowdown also.
Claims (5)
1. straw briquette gasification dual-swirl burning furnace is characterized in that:
Body of heater is divided into the vaporizer of the combustion chamber and the bottom on top, separates with partition door (2) between combustion chamber and the vaporizer; Described vaporizer comprises the flue (3) that is positioned at body of heater (1) bottom, be opened in the feed supplement door (4) of side, flue top and be located at adjustable vaporizer air inlet (5) on the feed supplement door, be located at the grate (6) of flue below and collect ashcan (7);
The side of described flue (3) is set side by side with the expansion chamber (8) that is communicated with described collection ashcan (7), the top of expansion chamber is communicated with mixed once chamber (10) with burner (9), the mixed once chamber is communicated with the swirl combustion chamber (12) that is in partition door (2) top by trunnion and diffuser pipe (11), the top of described swirl combustion chamber is set to secondary combustion chamber (13), and this secondary combustion chamber is communicated with the chimney (15) of body of heater side top by inner flue (14);
The body of heater sidepiece is provided with adjustable main air intake (16) and secondary air register (17), described main air intake is communicated with described mixed once chamber (10), described secondary air register is communicated with described swirl combustion chamber (12), and igniter head of ignition (29) is positioned at the exit of described diffuser pipe (11).
2. straw briquette gasification dual-swirl burning furnace according to claim 1, it is characterized in that, side top at described body of heater (1) is provided with energy-saving cistern (23), be set up in parallel many smoke pipes (24) in the energy-saving cistern, the lower end of each smoke pipe is communicated with the inner flue (14) of described secondary combustion chamber, and the upper end of each smoke pipe is communicated with chimney breast.
3. straw briquette gasification dual-swirl burning furnace according to claim 2, it is characterized in that, the bottom of described energy-saving cistern (23) is provided with and the L-shaped annular coil pipe (25) that is communicated with of tank body, described coil pipe also is communicated with the outlet valve (26) that protrudes in the body of heater sidepiece around the inwall of described secondary combustion chamber (13) on the coil pipe.
4. straw briquette gasification dual-swirl burning furnace according to claim 1 is characterized in that, the inner chamber of described swirl combustion chamber (12) is circular bispin stream refractory burner hearth, and the gas outlet of described diffuser pipe (11) enters from the tangential direction of described burner hearth.
5. straw briquette gasification dual-swirl burning furnace according to claim 1, it is characterized in that, the adjustable main air intake (16) that described body of heater sidepiece is provided with and the structure of secondary air register (17) are, sidewall of the furnace body is provided with the outer tube (18) of a hollow, described outer tube diameter is to offering a wind hole (19) that is communicated with mixed once chamber (10), the secondary air hole (20) that is communicated with swirl combustion chamber (12), be provided with in the described outer tube (18) one can in this outer tube, circumferentially rotate and in axial sliding in manage (21), should also radially offer two holes by interior pipe body, when two holes of interior pipe respectively with outer tube on a wind hole (19) and secondary air hole (20) when overlapping fully, the ventilation maximum of described main air intake (16) and secondary air register (17), the ventilation that the pipe or the interior pipe that endwisely slips can be regulated main air intake and secondary air register in rotating, outer tube (18) is extended in the outer end of pipe (21) in described, and is provided with adjusting knob (22) in this outer end of interior pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101441405A CN101608799B (en) | 2009-07-16 | 2009-07-16 | Straw briquette gasification dual-swirl burning furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101441405A CN101608799B (en) | 2009-07-16 | 2009-07-16 | Straw briquette gasification dual-swirl burning furnace |
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| Publication Number | Publication Date |
|---|---|
| CN101608799A CN101608799A (en) | 2009-12-23 |
| CN101608799B true CN101608799B (en) | 2010-10-13 |
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| CN2009101441405A Expired - Fee Related CN101608799B (en) | 2009-07-16 | 2009-07-16 | Straw briquette gasification dual-swirl burning furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197374A (en) * | 2014-08-11 | 2014-12-10 | 贵州省贵阳白云锅炉厂 | Multifunctional energy saving kitchen range |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791521A (en) * | 2014-02-24 | 2014-05-14 | 曾巨泓 | Cooking brick kitchen range using biomass particle fuel |
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2009
- 2009-07-16 CN CN2009101441405A patent/CN101608799B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197374A (en) * | 2014-08-11 | 2014-12-10 | 贵州省贵阳白云锅炉厂 | Multifunctional energy saving kitchen range |
| CN104197374B (en) * | 2014-08-11 | 2016-06-29 | 肖鹏 | A kind of multifunctional stove |
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| Publication number | Publication date |
|---|---|
| CN101608799A (en) | 2009-12-23 |
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Owner name: HEFEI TIANYAN BIOMASS ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TIANYAN GREEN ENERGY DEVELOPMENT CO., LTD., HEFEI Effective date: 20140129 |
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Free format text: CORRECT: ADDRESS; FROM: 230041 HEFEI, ANHUI PROVINCE TO: 240601 HEFEI, ANHUI PROVINCE |
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Effective date of registration: 20140129 Address after: 240601 Anhui city of Hefei Province Economic and Technological Development Zone Cuiwei Road No. 6 building five floor 514 constant sea Patentee after: Hefei Tianyan Biomass Technology Co. Ltd. Address before: 230041 National Science and Technology Forestry Park, Luyang District, Anhui, Hefei Patentee before: Hefei Tianyan Exploitation of Green Energy Sources Co., Ltd. |
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Granted publication date: 20101013 Termination date: 20150716 |
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