CN201237348Y - Feeding type stalk direct combustion stove - Google Patents
Feeding type stalk direct combustion stove Download PDFInfo
- Publication number
- CN201237348Y CN201237348Y CNU2008200896601U CN200820089660U CN201237348Y CN 201237348 Y CN201237348 Y CN 201237348Y CN U2008200896601 U CNU2008200896601 U CN U2008200896601U CN 200820089660 U CN200820089660 U CN 200820089660U CN 201237348 Y CN201237348 Y CN 201237348Y
- Authority
- CN
- China
- Prior art keywords
- heater
- chamber
- combustion chamber
- flow tank
- dividing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 12
- 239000010902 straw Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000002918 waste heat Substances 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract 3
- 239000002028 Biomass Substances 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 12
- 239000012620 biological material Substances 0.000 description 8
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 239000010903 husk Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000009051 Ambrosia paniculata var. peruviana Nutrition 0.000 description 1
- 235000003097 Artemisia absinthium Nutrition 0.000 description 1
- 240000001851 Artemisia dracunculus Species 0.000 description 1
- 235000017731 Artemisia dracunculus ssp. dracunculus Nutrition 0.000 description 1
- 235000003261 Artemisia vulgaris Nutrition 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000001138 artemisia absinthium Substances 0.000 description 1
- 235000013527 bean curd Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 branch Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
A feeding type straw direct-fired boiler relates to a boiler device. The utility model aims at solving the problems of waste of energy and environmental pollution. A high efficient heat pipe is arranged between grate bars of the feeding type straw direct-fired boiler, an air inlet is arranged on the wall of a boiler body of an upper combustion chamber, a water outlet pipe is arranged at the top part of the boiler body, a material port is arranged on a partition board, an inner cavity of a material storage box above the partition board is a material storage chamber, the inner cavity of the material storage box below the partition board is a material sending chamber, a driving device is arranged in the material sending chamber, a fan is connected with an air supply tube, an air port on the air supply tube is arranged at the lower part of the combustion chamber, an automatic ash outlet is arranged at one side of a settling box which is arranged at the side wall of the boiler body, an ash blocking board is arranged on the automatic ash outlet, and a smoke exhaust pipe is arranged at the top part of the settling box. The feeding type straw direct-fired boiler utilizes the driving device to send biomass materials to the combustion chamber for carrying out the combustion. The smoke exhaust pipe is communicated with a heated kang, the heated kang is heated by utilizing waste heat, an upper water outlet pipe is connected with a heater, and the heater is heated by utilizing hot water in a water cavity, thereby saving the energy, playing the heating role and avoiding the pollution.
Description
Technical field:
The utility model relates to a kind of boiler plant.
Background technology:
At present, generally the boiler plant of Shi Yonging all is that its shortcoming is to waste energy, contaminated environment based on the burning coal.Burn the gasifier of stalk on the market in addition,, also be unfavorable for environmental protection because this gasification furnace easily produces tar.
The utility model content:
The purpose of this utility model is for solving energy waste, problem of environment pollution caused, a kind of feed-type stalk direct combustion stove being provided.
Above-mentioned purpose realizes by following technical scheme:
Feed-type stalk direct combustion stove, it comprises material-storing box (1), body of heater (2), flow tank (3), inner bag (4), two grid sections (5), drive unit (8), dividing plate (9), blower fan (24), ajutage (25), barrel (27), smoke exhaust pipe (33), upper water-out pipe (34) and high-efficiency heat pipe (35), hopper (1), body of heater (2) and flow tank (3) are made one, be provided with inner bag (4) in the body of heater (2), be water cavity (10) between inner bag (4) and the body of heater (2), the inner chamber of body of heater (2) is provided with grid section (5), body of heater (2) inner chamber above the grid section (5) is upper combustion chamber (6), body of heater (2) inner chamber below the grid section (5) is lower combustion chamber (7), be provided with high-efficiency heat pipe (35) between the grid section (5), body of heater (2) wall of upper combustion chamber (6) is provided with air inlet (16), body of heater (2) wall of lower combustion chamber (7) is provided with down water inlet (29), body of heater (2) top is provided with upper water-out pipe (34), be provided with dividing plate (9) in the material-storing box (1), dividing plate (9) is provided with material mouthful (91), material-storing box (1) inner chamber above the dividing plate (9) is material storing room (11), material-storing box (1) inner chamber below the dividing plate (9) is feeding material chamber (12), be provided with drive unit (8) in the feeding material chamber (12), blower fan (24) is arranged on the bottom of feeding material chamber (12), blower fan (24) is connected with ajutage (25), air port (26) on the ajutage (25) is arranged on the bottom of lower combustion chamber (7), one side of the sidewall flow tank (3) of body of heater (2) is provided with and tells ash mouthful (30) automatically, the top of flow tank (3) is provided with smoke exhaust pipe (33), and a side of the corresponding flow tank in the top of body of heater (2) (3) is provided with exhaust opening (37).
Above-mentioned feed-type stalk direct combustion stove, drive unit (8) comprises motor (81), driving pulley (82), passive belt wheel (83), belt (84), reductor (86), helical axis (13), shaft coupling (14), driving wheel (15), chain (16), follower (17), power transmission shaft (18), clutch shaft bearing seat (19), driving bevel gear (20), passive bevel gear (21), puddler (22) and second bearing block (23), motor (81) is arranged in the feeding material chamber (12), driving pulley (82) is arranged on the output shaft of motor (81), driving pulley (82) links to each other with passive belt wheel (83) by belt (84), passive belt wheel (83) is arranged on the power shaft of reductor (86), helical axis (13) is connected with the output shaft (85) of reductor (86) by shaft coupling (14), output shaft (85) is provided with driving wheel (15), helical axis (13) is arranged in the barrel (27), barrel (27) is fixed on the body of heater (2), material mouth (91) on the corresponding dividing plate in the top of barrel (27) (9) locates to be provided with charging aperture (28), power transmission shaft (18) is arranged in the clutch shaft bearing seat (19), clutch shaft bearing seat (19) is fixed on the bottom surface of feeding material chamber (12) inner chamber, follower (17) is contained in an end of power transmission shaft (18), driving bevel gear (20) is contained in the other end of power transmission shaft (18), passive bevel gear (21) is contained on the puddler (22), one end of puddler (22) is contained in second bearing block (23), and second bearing block (23) is fixed on the bottom surface of lower combustion chamber (7) inner chamber.
Above-mentioned feed-type stalk direct combustion stove is told ash mouthful (30) top automatically and is provided with and tells ash mouthful upper water box (31).
Above-mentioned feed-type stalk direct combustion stove, flow tank (3) top is provided with sparge pipe (32).
Above-mentioned feed-type stalk direct combustion stove, flow tank (3) top is provided with dust block board (38).
Above-mentioned feed-type stalk direct combustion stove, the bottom of lower combustion chamber (7) are provided with two floor kiln comb (40).
This technical scheme has following beneficial effect:
1. the utility model utilizes the drive unit in the feeding material chamber to drive the helical axis rotation biological material rice husk input material-storing box, biological material is delivered to the combustion chamber burn, thereby realized direct combustion.Smoke exhaust pipe can communicate with heated kang, utilizes waste heat to make the heated kang heating, and upper water-out Guan Keyu heating installation is connected, and utilizes the hot water in the water cavity to make the heating installation heating, has promptly saved the energy and has played the effect of warming oneself again, has also avoided pollution.
2. the blower fan of the utility model setting can make rice husk better burn.
3. the utility model can be saved the energy, has prevented environmental pollution, and simple in structure, cost is low.
4. the fuel used biological material that is of the utility model, as: foam, fungus cultivation waste material etc. are mixed, sawed to rice husk, corncob, corn stalk, beanstalk, skin of beancurd, straw, various wormwood, leaf, branch, wood, also can use raw coal, effect will exceed other boiler.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model.
The specific embodiment:
Embodiment 1:
Feed-type stalk direct combustion stove, it comprises material-storing box 1, body of heater 2, flow tank 3, inner bag 4, two grid sections 5, drive unit 8, dividing plate 9, blower fan 24, ajutage 25, barrel 27, smoke exhaust pipe 33, upper water-out pipe 34 and high-efficiency heat pipe 35, hopper 1, body of heater 2 and flow tank 3 are made one, be provided with inner bag 4 in the body of heater 2, be water cavity 10 between inner bag 4 and the body of heater 2, the inner chamber of body of heater 2 is provided with grid section 5, body of heater 2 inner chambers above the grid section 5 are upper combustion chamber 6, body of heater 2 inner chambers below the grid section 5 are lower combustion chamber 7, be provided with high-efficiency heat pipe 35 between the grid section 5, body of heater 2 walls of upper combustion chamber 6 are provided with air inlet 16, body of heater 2 walls of lower combustion chamber 7 are provided with down water inlet 29, body of heater 2 tops are provided with upper water-out pipe 34, be provided with dividing plate 9 in the material-storing box 1, dividing plate 9 is provided with material mouth 91, material-storing box 1 inner chamber above the dividing plate 9 is a material storing room 11, material-storing box 1 inner chamber below the dividing plate 9 is a feeding material chamber 12, be provided with drive unit 8 in the feeding material chamber 12, blower fan 24 is arranged on the bottom of feeding material chamber 12, blower fan 24 is connected with ajutage 25, air port 26 on the ajutage 25 is arranged on the bottom of lower combustion chamber 7, one side of the sidewall flow tank 3 of body of heater 2 is provided with and tells ash mouth 30 automatically, the top of flow tank 3 is provided with smoke exhaust pipe 33, and a side of the corresponding flow tank 3 in the top of body of heater 2 is provided with exhaust opening 37.Cigarette in the upper combustion chamber 6 can enter in the flow tank 3 by exhaust opening 37, and blower fan 24 can help the rice husk burning, and upper water-out pipe 34 can be connected with heating installation, utilizes the hot water in the water cavity 10 to make the heating installation heating.
Embodiment 2:
Above-mentioned feed-type stalk direct combustion stove, drive unit 8 comprises motor 81, driving pulley 82, passive belt wheel 83, belt 84, reductor 86, helical axis 13, shaft coupling 14, driving wheel 15, chain 16, follower 17, power transmission shaft 18, clutch shaft bearing seat 19, driving bevel gear 20, passive bevel gear 21, the puddler 22 and second bearing block 23, motor 81 is arranged in the feeding material chamber 12, driving pulley 82 is arranged on the output shaft of motor 81, driving pulley 82 links to each other with passive belt wheel 83 by belt 84, passive belt wheel 83 is arranged on the power shaft of reductor 86, helical axis 13 is connected with the output shaft 85 of reductor 86 by shaft coupling 14, output shaft 85 is provided with driving wheel 15, helical axis 13 is arranged in the barrel 27, barrel 27 is fixed on the body of heater 2, material mouth 91 places on the corresponding dividing plate 9 in the top of barrel 27 are provided with charging aperture 28, power transmission shaft 18 is arranged in the clutch shaft bearing seat 19, clutch shaft bearing seat 19 is fixed on the bottom surface of feeding material chamber's 12 inner chambers, follower 17 is contained in an end of power transmission shaft 18, driving bevel gear 20 is contained in the other end of power transmission shaft 18, driving wheel 15 and follower 17 link to each other by chain, passive bevel gear 21 is contained on the puddler 22, driving bevel gear 20 and passive bevel gear 21 engagements, one end of puddler 22 is contained in second bearing block 23, and second bearing block 23 is fixed on the bottom surface of lower combustion chamber's 7 inner chambers.This design is slowly rotated helical axis 13, material is delivered in the lower combustion chamber 7 burns, and the material of Shu Songing is more even in this way, and combustion efficiency is good.
Embodiment 3:
Above-mentioned feed-type stalk direct combustion stove is told ash mouthful 30 tops automatically and is provided with and tells ash mouthful upper water box 31.If when having Mars, can it be put out by water by the water of telling 31 outflows of ash mouthful upper water box from telling ash mouthful 30 ashes that go out clearly automatically.
Embodiment 4:
Above-mentioned feed-type stalk direct combustion stove, flow tank 3 tops are provided with sparge pipe 32.Sparge pipe 32 can make the fiery ash that contains in the flow tank 3 extinguish, and can not allow the ash and clinker zone fire enter smoke exhaust pipe 33.
Embodiment 5:
Above-mentioned feed-type stalk direct combustion stove, flow tank 3 tops are provided with dust block board 38.Dust block board 38 can make the cigarette ash in the flow tank 3 can not enter in the smoke exhaust pipe 33.
Embodiment 6:
Above-mentioned feed-type stalk direct combustion stove, the bottom of lower combustion chamber 7 are provided with two floor kiln and comb 40.
The course of work of the present utility model is summarized as follows:
Above-mentioned feed-type stalk direct combustion stove, referring to Fig. 1, biological material is filled in the material-storing box 1, biological material enters in the barrel 27 through material mouth 91 and charging aperture 28, simultaneously biological material is filled in the lower combustion chamber 7 and lights, starting blower fan 24 makes wind blow to biological material by ajutage 25, starter motor 81 makes helical axis 13 rotations slowly constantly send into biological material in the lower combustion chamber 7 simultaneously, open air inlet 16, allow air enter the upper combustion chamber 6 of body of heater 2, make the flue gas in the upper combustion chamber 6 form vaporized state, reach the purpose of smoke combustion.
Claims (6)
1. feed-type stalk direct combustion stove, it comprises material-storing box (1), body of heater (2), flow tank (3), inner bag (4), two grid sections (5), drive unit (8), dividing plate (9), blower fan (24), ajutage (25), barrel (27), smoke exhaust pipe (33), upper water-out pipe (34) and high-efficiency heat pipe (35), hopper (1), body of heater (2) and flow tank (3) are made one, be provided with inner bag (4) in the body of heater (2), be water cavity (10) between inner bag (4) and the body of heater (2), the inner chamber of body of heater (2) is provided with grid section (5), body of heater (2) inner chamber above the grid section (5) is upper combustion chamber (6), body of heater (2) inner chamber below the grid section (5) is lower combustion chamber (7), it is characterized in that: be provided with high-efficiency heat pipe (35) between the grid section (5), body of heater (2) wall of upper combustion chamber (6) is provided with air inlet (16), body of heater (2) wall of lower combustion chamber (7) is provided with down water inlet (29), body of heater (2) top is provided with upper water-out pipe (34), be provided with dividing plate (9) in the material-storing box (1), dividing plate (9) is provided with material mouthful (91), material-storing box (1) inner chamber above the dividing plate (9) is material storing room (11), material-storing box (1) inner chamber below the dividing plate (9) is feeding material chamber (12), be provided with drive unit (8) in the feeding material chamber (12), blower fan (24) is arranged on the bottom of feeding material chamber (12), blower fan (24) is connected with ajutage (25), air port (26) on the ajutage (25) is arranged on the bottom of lower combustion chamber (7), one side of the sidewall flow tank (3) of body of heater (2) is provided with and tells ash mouthful (30) automatically, the top of flow tank (3) is provided with smoke exhaust pipe (33), and a side of the corresponding flow tank in the top of body of heater (2) (3) is provided with exhaust opening (37).
2. according to the described feed-type stalk of claim 1 direct combustion stove, it is characterized in that: drive unit (8) comprises motor (81), driving pulley (82), passive belt wheel (83), belt (84), reductor (86), helical axis (13), shaft coupling (14), driving wheel (15), chain (16), follower (17), power transmission shaft (18), clutch shaft bearing seat (19), driving bevel gear (20), passive bevel gear (21), puddler (22) and second bearing block (23), motor (81) is arranged in the feeding material chamber (12), driving pulley (82) is arranged on the output shaft of motor (81), driving pulley (82) links to each other with passive belt wheel (83) by belt (84), passive belt wheel (83) is arranged on the power shaft of reductor (86), helical axis (13) is connected with the output shaft (85) of reductor (86) by shaft coupling (14), output shaft (85) is provided with driving wheel (15), helical axis (13) is arranged in the barrel (27), barrel (27) is fixed on the body of heater (2), material mouth (91) on the corresponding dividing plate in the top of barrel (27) (9) locates to be provided with charging aperture (28), power transmission shaft (18) is arranged in the clutch shaft bearing seat (19), clutch shaft bearing seat (19) is fixed on the bottom surface of feeding material chamber (12) inner chamber, follower (17) is contained in an end of power transmission shaft (18), driving bevel gear (20) is contained in the other end of power transmission shaft (18), passive bevel gear (21) is contained on the puddler (22), one end of puddler (22) is contained in second bearing block (23), and second bearing block (23) is fixed on the bottom surface of lower combustion chamber (7) inner chamber.
3. according to the described feed-type straw of claim 2 direct combustion stove, it is characterized in that: tell ash mouthful (30) top automatically and be provided with and tell ash mouthful upper water box (31).
4. according to the described feed-type straw of claim 3 direct combustion stove, it is characterized in that: flow tank (3) top is provided with sparge pipe (32).
5. according to the described feed-type straw of claim 4 direct combustion stove, it is characterized in that: flow tank (3) top is provided with dust block board (38).
6. according to the described feed-type straw of claim 5 direct combustion stove, it is characterized in that: the bottom of lower combustion chamber (7) is provided with two floor kiln comb (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200896601U CN201237348Y (en) | 2008-04-07 | 2008-04-07 | Feeding type stalk direct combustion stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200896601U CN201237348Y (en) | 2008-04-07 | 2008-04-07 | Feeding type stalk direct combustion stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201237348Y true CN201237348Y (en) | 2009-05-13 |
Family
ID=40650079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200896601U Expired - Fee Related CN201237348Y (en) | 2008-04-07 | 2008-04-07 | Feeding type stalk direct combustion stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201237348Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384585A (en) * | 2011-12-20 | 2012-03-21 | 余生明 | Electronic temperature-control constant temperature boiler for biomass fuel and coal |
| CN101576271B (en) * | 2009-06-10 | 2012-12-19 | 王义红 | Automatic biological material combusting multipurpose furnace |
| CN103017152A (en) * | 2012-12-25 | 2013-04-03 | 常熟市辛庄镇前进五金厂 | Sawdust combustion apparatus |
| CN103194264A (en) * | 2013-04-10 | 2013-07-10 | 周福忠 | Gasification furnace |
| CN103673280A (en) * | 2013-11-16 | 2014-03-26 | 周美清 | Novel biomass particle hot water boiler |
| CN104034025A (en) * | 2014-06-17 | 2014-09-10 | 浙江地中海新能源设备有限公司 | Biomass boiler |
| CN104566342A (en) * | 2014-10-20 | 2015-04-29 | 长春工业大学 | Straw direct-fired heat supply device |
| CN105674292A (en) * | 2016-02-02 | 2016-06-15 | 李观德 | Biomass burning device and biomass burning method |
| CN105823036A (en) * | 2016-04-22 | 2016-08-03 | 成都聚智工业设计有限公司 | Novel environment-friendly combustion device |
| CN107155537A (en) * | 2017-05-27 | 2017-09-15 | 合肥市禾兴生态养殖科技有限公司 | A kind of stalk resource eco-agricuhure system |
| CN111121095A (en) * | 2020-01-08 | 2020-05-08 | 河南亿威能源科技有限公司 | Biomass air heating fireplace |
-
2008
- 2008-04-07 CN CNU2008200896601U patent/CN201237348Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576271B (en) * | 2009-06-10 | 2012-12-19 | 王义红 | Automatic biological material combusting multipurpose furnace |
| CN102384585A (en) * | 2011-12-20 | 2012-03-21 | 余生明 | Electronic temperature-control constant temperature boiler for biomass fuel and coal |
| CN103017152A (en) * | 2012-12-25 | 2013-04-03 | 常熟市辛庄镇前进五金厂 | Sawdust combustion apparatus |
| CN103017152B (en) * | 2012-12-25 | 2014-12-31 | 常熟市筑紫机械有限公司 | Sawdust combustion apparatus |
| CN103194264A (en) * | 2013-04-10 | 2013-07-10 | 周福忠 | Gasification furnace |
| CN103673280A (en) * | 2013-11-16 | 2014-03-26 | 周美清 | Novel biomass particle hot water boiler |
| CN104034025A (en) * | 2014-06-17 | 2014-09-10 | 浙江地中海新能源设备有限公司 | Biomass boiler |
| CN104566342A (en) * | 2014-10-20 | 2015-04-29 | 长春工业大学 | Straw direct-fired heat supply device |
| CN105674292A (en) * | 2016-02-02 | 2016-06-15 | 李观德 | Biomass burning device and biomass burning method |
| CN105823036A (en) * | 2016-04-22 | 2016-08-03 | 成都聚智工业设计有限公司 | Novel environment-friendly combustion device |
| CN107155537A (en) * | 2017-05-27 | 2017-09-15 | 合肥市禾兴生态养殖科技有限公司 | A kind of stalk resource eco-agricuhure system |
| CN111121095A (en) * | 2020-01-08 | 2020-05-08 | 河南亿威能源科技有限公司 | Biomass air heating fireplace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20100407 |