CN201737904U - Biomass gasification furnace utilizing mixture of steam and air medium - Google Patents
Biomass gasification furnace utilizing mixture of steam and air medium Download PDFInfo
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- CN201737904U CN201737904U CN2010202564044U CN201020256404U CN201737904U CN 201737904 U CN201737904 U CN 201737904U CN 2010202564044 U CN2010202564044 U CN 2010202564044U CN 201020256404 U CN201020256404 U CN 201020256404U CN 201737904 U CN201737904 U CN 201737904U
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- 239000002028 Biomass Substances 0.000 title claims abstract description 47
- 238000002309 gasification Methods 0.000 title claims abstract description 20
- 239000000203 mixture Substances 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 142
- 238000005192 partition Methods 0.000 claims description 68
- 239000006200 vaporizer Substances 0.000 claims description 36
- 238000005336 cracking Methods 0.000 claims description 33
- 239000011285 coke tar Substances 0.000 claims description 25
- 239000000945 filler Substances 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 19
- 239000000567 combustion gas Substances 0.000 description 15
- 239000002737 fuel gas Substances 0.000 description 13
- 239000000126 substance Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000011269 tar Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000000446 fuel Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000003034 coal gas Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000000197 pyrolysis Methods 0.000 description 4
- 241000208125 Nicotiana Species 0.000 description 3
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011286 gas tar Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000001146 hypoxic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
A biomass gasification furnace utilizing a mixture of steam and air medium mainly comprises a gasification chamber, tar crackers, a combined dividing wall water tank, an air supply system and an ash disposal system, wherein the wall of the gasification chamber adopts a water tank type structure and is divided into a water tank upper body and a water tank lower body; one side of the water tank upper body is provided with multiple high and low dividing wall water tanks; one tar cracker is arranged between every two adjacent dividing wall water tanks; one side of the water tank upper body of the gasification chamber, provided with the dividing wall water tanks, is provided with a gas outlet; the main body of the air supply system is an air supply pipe; one end of the air supply pipe is communicated with the cavity of the water tank upper body, while the other end is provided with an air supply barrel; and the air supply barrel is arranged in the gasification chamber. The biomass gasification furnace utilizing a mixture of steam and air medium indirectly lowers the temperature of the gas by adopting the water tanks of the gasification chamber and the combination of multiple layers of dividing wall water tanks; simultaneously, the mixture of wet steam and air serves as a biomass gasification agent; and the tar crackers are installed, therefore the tar is decomposed to permanent gas.
Description
Technical field
The utility model relates to a kind of gasifying biomass equipment, and relating in particular to a kind of fixed bed biomass is the vapourizing furnace of gasifying medium with the mixed air of steam.
Background technology
At present, whole world biomass gasification technology development rapidly, technology such as gasifying biomass single-unit furnace family expenses are cooked, gasifying biomass central gas supply, gasifying biomass flue-cured tobacco, biogas elelctrochemical power generation, gasifying biomass treating refuse are extended gradually, and biogas turns in the whole world fixed resources such as substituting petrochemical industry, Sweet natural gas, coal and started a field energy source revolution.But the gasifying biomass revolution just just enters the starting stage, its present situation is: the vaporized chemical that gasifying biomass central gas supply, gasifying biomass flue-cured tobacco, biogas elelctrochemical power generation are used is an air, because the biomass carbon content is few, calorific value is low, the thermal power transfer level is limited to, combustion gas after the gasification is cooked a meal and is cooked with only heating up water, and has to make gasifying medium with purity oxygen or dry steam with the treating refuse of prior biological matter gasification technology; Most countries requires fuel gas temperature must not be higher than 35 ℃ in the world, cooled coal gas technology is generally adopted in gasifying biomass central gas supply, gasifying biomass flue-cured tobacco, biogas elelctrochemical power generation, directly spray cold water is that the combustion gas cooling removes tar, not only secondary pollution of the discharging of tar, water, also reduced the content of inflammable gas, pollute in order to stop secondary water, it is that combustion gas is lowered the temperature indirectly that some department is is researching and developing cold water cold air.In a word, it is big that fuel gases calorific value is low, tar is handled is difficult, secondary water pollutes, heating gas is converted into the cooled coal gas heat-energy losses, is the technological deficiency of gasifying biomass professional.
Summary of the invention
It is wetting vapour and the air mixed vaporized chemical as gasifying biomass that the purpose of this utility model provides a kind of thermal power transfer that will make cooled coal gas, improves the steam and air mixed medium biomass gasifier of biological fuel gas calorific value effectively.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of steam air mixed medium biomass gasifier, main body is made up of vaporizer, coke tar cracking device, combination partition water tank, air admission system, ash discharge system, it is characterized in that: the gasification locular wall is the water tank type structure, it is divided into water tank upper body and water tank lower body, the one side design of water tank upper body has one high and one low multiple tracks partition water tank, high partition water tank bottom leaves air flue, and low partition water tank upper leaves air flue; Design has the coke tar cracking device between the partition water tank, vaporizer water tank upper body is provided with on partition water tank one sidewall and has gas outlet, bead, low partition water tank upper port, gas outlet, formation blast tube under vaporizer, coke tar cracking device filler space, the high partition water tank.
Above-mentioned a kind of its feature of steam air mixed medium biomass gasifier also is: the air admission system main body is a blowdown pipe, and blowdown pipe one end is connected with water tank upper body cavity, and the blowdown pipe the other end is the tonifying Qi bucket, and the tonifying Qi bucket is positioned at vaporizer.
Above-mentioned a kind of its feature of steam air mixed medium biomass gasifier also is: the tonifying Qi bucket is a mesh-type tonifying Qi bucket, it is positioned at the vaporizer center, the outer laterally blowdown pipe downside of vaporizer is equipped with condenser cylinder, the condenser cylinder bottom design has water discharge valve, laterally the blowdown pipe upper end is equipped with air filter, the air filter upper end is equipped with the air inlet valve, be connected with steam separator on the blowdown pipe, steam separator is connected top, water tank upper body, mesh-type tonifying Qi bucket, blowdown pipe, air filter, the air inlet valve, steam separator, the vaporizer water tank constitutes the gasifying biomass air admission system.
Above-mentioned a kind of its feature of steam air mixed medium biomass gasifier also is: intravital coke tar cracking device is between two partition water tanks of next-door neighbour's vaporizer on the water tank of vaporizer, the design of coke tar cracking device has the cracker fence, and the cracking filler is housed in the cracker fence; Coke tar cracking device top is the filler storehouse, and cross section, filler storehouse is for trapezoidal, and its top has the import of cracking filler; The top board of water tank upper body and coke tar cracking device filler airtight connection of storehouse.
Above-mentioned a kind of its feature of steam air mixed medium biomass gasifier also is: the vaporizer bottom design is an ash bucket, and the ash bucket bottom design has the Spiralism type ash ejector of driven by motor, and ash bucket, ash ejector constitute the ash discharge system.
Above-mentioned its feature of a kind of steam and air mixed medium biomass gasifier also is: the partition water tank is five roads, from inside to outside be respectively the first partition water tank, the second partition water tank, the 3rd partition water tank, the 4th partition water tank by vaporizer to gas outlet, the 5th partition water tank, the coke tar cracking device between the first partition water tank, the second partition water tank, between the 4th partition water tank and the 5th partition water tank, on the 5th partition water tank and the water tank between body sidewall respectively design right dedusting mouth and left dedusting mouth by the capping shutoff are arranged.
Above-mentioned its feature of a kind of steam and air mixed medium biomass gasifier also is: drive the steam discharging valve at the top of water tank upper body.
The utility model relies on the characteristics that must lower the temperature and use after gasifying medium and the combustion gas generation at gasifying biomass, this steam air mixed medium biomass gasifier, adopting vaporizer water tank and one high and one low multilayer partition water tank to be combined as combustion gas lowers the temperature indirectly, utilizing high-temperature fuel gas simultaneously is gas with water by liquid thermal conductivity, wetting vapour and air mixed are satisfied together the demand of gasifying biomass gasification agent, having remedied simple is the low defective of fuel gases calorific value that vaporized chemical causes with the air, and in vaporizer, the coke tar cracking device has been installed greater than 750 ℃ high-temperature zone, make tar be decomposed into permanent gases, increase fuel gases calorific value.Particularly:
1, is vaporized chemical with the vapor mixing air, improved fuel gases calorific value.Water is closed by hydrogen and oxidation and forms, and its chemical molecular formula is H
2O, oxygen are that the gasifying biomass agent is a kind of, and hydrogen (107.94kj) not only itself is inflammable gas, and at high temperature synthesize the methane (359.06kj) of high heating value with carbon monoxide (126.44kj), and the fuel gases calorific value increase rate is big.
2, be vaporized chemical with the vapor mixing air, reduced a nitrogen content in the biological fuel gas.Airborne a nitrogen content is greater than 78%, and oxygen content only accounts for 21.5%, uses air as vaporized chemical, present biomass gasification technology level, and a nitrogen content in the combustion gas is generally more than 68%.Do not have nitrogen to exist in the water vapour, use the vapor mixing air to be vaporized chemical in the vaporized chemical, a nitrogen content in the combustion gas reduces greatly, the corresponding raising of inflammable gas content in the combustion gas.
3, be vaporized chemical with the vapor mixing air, developed the heat energy that the cooling combustion gas consumes in vain.Become cooled coal gas by heating gas, combustion gas must export 650 ℃ from vapourizing furnace and be cooled to 35 ℃, with regard to current biomass gasification technology level, can only get rid of a large amount of auxiliary temperature-reducing heat energy as burden.The heating gas water of lowering the temperature is become gaseous steam by liquid state in vapourizing furnace, directly mend in the stove combustion-supporting as the vaporized chemical of gasifying biomass, both improved fuel gases calorific value, stopped secondary water again and polluted.
4, the coke tar cracking device has been installed in the high-temperature zone, improved the purity of combustion gas, the coke tar cracking device is installed in high-temperature zone greater than 750 ℃ in vaporizer, make full use of rhombspar or charcoal pyrolysis fuel oil, make tar be decomposed into permanent gases and sneak into combustion gas, increased fuel gases calorific value, made gas tar oil content be lower than national standard 15mg.
Principle of work of the present utility model is as follows:
The utility model adopts the negative pressure operation, fuel drops into vaporizer successively, the vaporizer water tank, combination partition water tank metering water filling, air carries 21.5% oxygen and enters combustion-supporting fuel behind the mesh-type tonifying Qi bucket, fuel carries out thermal chemical reaction in the vaporizer, the temperature of its each bed of material is respectively: 300 ℃ of drying layers, 600 ℃ on destructive distillation layer, 1000 ℃ of zone of oxidation, 900 ℃ of reducing zones, high-temperature fuel gas enters the coke tar cracking device, heat conduction pyrolysis fuel oil filler decomposes the tar that combustion gas is carried more than 750 ℃, the combustion gas curve that is not less than 650 ℃ behind the decomposition tar enters combination partition water tank gas passage, partition water tank liquid water is converted to gaseous steam, under the effect of vapor pressure and the operation of vapourizing furnace negative pressure, steam enters mesh-type tonifying Qi bucket and serves as vaporized chemical for fuel, replaces hypoxic air gasification medium.
Using method of the present utility model is as follows:
Drop into fuel to vaporizer, be the vaporizer water tank, the water filling of combination partition water tank, be fuel combustion supporting with air dielectric earlier, the high-temperature fuel gas nature decomposes the tar that combustion gas is carried by the pyrolysis fuel oil filler, and partition water tank liquid water is converted to gaseous steam, under the effect of vapor pressure and the operation of vapourizing furnace negative pressure, saturation steam enters mesh-type tonifying Qi bucket and serves as vaporized chemical for biomass fuel, regulate the air inlet valve according to the saturation steam amount, in service is that the main gasifying biomass gasification medium that carries out is supplied with steam, and the ponding of the condenser cylinder of in good time draining, gasification finishes and opens the steam discharging valve to airborne release steam.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
In the accompanying drawing:
1, ash bucket; 2, water tank lower body; 3, leg; 4, left dedusting mouth; 5, right dedusting mouth; 6, water-in; 7, coke tar cracking grid hurdle; 8, cracking filler; 9, gas outlet; 10, water tank upper body; 11, partition water tank; 12, partition water tank; 13, partition water tank; 14, partition water tank; 15, partition water tank; 16, top board; 17, coke tar cracking device; 18, cracking filler import; 19, steam discharging valve; 20, steam separator; 21, vaporizer; 22, blowdown pipe; 23, air inlet valve; 24, air filter; 25, condenser cylinder; 26, mesh-type tonifying Qi bucket; 27, water discharge valve; 28, base plate; 29, ash ejector.
Embodiment
A kind of steam air mixed medium biomass gasifier, as shown in Figure 1, water jacket structure is adopted in its furnace wall, is vaporizer 21 in the stove.The furnace wall is divided into water tank upper body 10 and water tank lower body 2,10 top top boards, 16 sealings of water tank upper body, and water tank lower body 2 bottoms are punctured into ash bucket 1; Ash bucket 1 bottom design has the Spiralism type ash ejector 29 of driven by motor, and ash bucket 1, ash ejector 29 constitute and ash system.Water tank upper body 10 1 sidewalls are outwards outstanding, and the back-plane design of protuberance bottom has leg 3 to support, and 10 bottoms, vaporizer water tank upper body, one side connects vaporizer water tank lower body 2.Five road partition water tanks are installed in the protuberance of water tank upper body 10, they outwards are followed successively by the first partition water tank 11, the second partition water tank 12, the 3rd partition water tank 13, the 4th partition water tank 14 to gas outlet from vaporizer, the 5th partition water tank 15, the first partition water tank 11, the 3rd partition water tank 13, the 5th partition water tank 15 tops are connected with top board 16, and the bottom is a blast tube; The second partition water tank 12, the 4th partition water tank 14 bottoms are connected with base plate 28, and it is blast tube that the gap is left on top; The 5th partition water tank 15 bottoms communicate with vaporizer 21.Coke tar cracking device 17 is designing right dedusting mouth 5 and the left dedusting mouth 4 that has by the capping shutoff respectively between body sidewall on the 4th partition water tank 14 and 15 in the 5th partition water tank, the 5th partition water tank 15 and the water tank between the first partition water tank 11, the second partition water tank 12.Cracker fence 7 is installed in coke tar cracking device 17 lower ends, cracking filler 8 is housed in the cracker fence 7, coke tar cracking device 17 tops are that the cross section is the filler of falling trapezoid storehouse, filler storehouse upper design has cracking filler import 18, water tank upper body one upper lateral part has gas outlet 9, water tank upper body one side lower part has water-in 6, drives steam discharging valve 19 at the top of water tank upper body 10.Vaporizer water tank upper body 10 top design have steam discharging valve 19 and steam separator 20, steam separator 20 is connected with blowdown pipe 22, blowdown pipe 22 laterally upper end is equipped with air filter 24, air filter 24 designs have air intake valve 23, blowdown pipe 22 horizontal lower ends are equipped with condenser cylinder 25, the condenser cylinder design has water discharge valve 27, the blowdown pipe 22 terminal mesh-type tonifying Qi buckets 26 that connect, and mesh-type tonifying Qi bucket 26 vertically is seated vaporizer 21 centers.
Claims (7)
1. steam air mixed medium biomass gasifier, main body is made up of vaporizer (21), coke tar cracking device (17), combination partition water tank, air admission system, ash discharge system, it is characterized in that: the gasification locular wall is the water tank type structure, it is divided into water tank upper body (10) and water tank lower body (2), (10) the one sides design of water tank upper body has one high and one low multiple tracks partition water tank, high partition water tank bottom leaves air flue, and low partition water tank upper leaves air flue; Design has coke tar cracking device (17) between the partition water tank, vaporizer water tank upper body is provided with and has gas outlet (9) on partition water tank one sidewall, bead, low partition water tank upper port, gas outlet, formation blast tube under vaporizer, coke tar cracking device filler space, the high partition water tank.
2. a kind of steam air mixed medium biomass gasifier according to claim 1, it is characterized in that: the air admission system main body is a blowdown pipe (22), blowdown pipe one end is connected with water tank upper body cavity, and the blowdown pipe the other end is the tonifying Qi bucket, and the tonifying Qi bucket is positioned at vaporizer.
3. a kind of steam air mixed medium biomass gasifier according to claim 2, it is characterized in that: the tonifying Qi bucket is a mesh-type tonifying Qi bucket (26), it is positioned at vaporizer (21) center, outer laterally blowdown pipe (22) downside of vaporizer is equipped with condenser cylinder (25), condenser cylinder (25) bottom design has water discharge valve (27), laterally the blowdown pipe upper end is equipped with air filter (24), air filter (24) upper end is equipped with air inlet valve (23), be connected with steam separator (20) on the blowdown pipe, steam separator (20) is connected top, water tank upper body (10), mesh-type tonifying Qi bucket, blowdown pipe, air filter, the air inlet valve, steam separator, the vaporizer water tank constitutes the gasifying biomass air admission system.
4. according to claim 2 or 3 described a kind of steam air mixed medium biomass gasifiers, it is characterized in that: the coke tar cracking device (17) in the water tank upper body (10) of vaporizer is positioned between the two partition water tanks of next-door neighbour's vaporizer (21), coke tar cracking device (17) design has cracker fence (7), and cracking filler (8) is housed in the cracker fence (7); Coke tar cracking device (17) top is the filler storehouse, and cross section, filler storehouse is for trapezoidal, and its top has cracking and fills out and split import (18); The top board (16) of water tank upper body (10) and coke tar cracking device filler airtight connection of storehouse.
5. a kind of steam air mixed medium biomass gasifier according to claim 4, it is characterized in that: the vaporizer bottom design is ash bucket (1), ash bucket (1) bottom design has the Spiralism type ash ejector (29) of driven by motor, and ash bucket (1), ash ejector (29) constitute and ash system.
6. a kind of steam and air mixed medium biomass gasifier according to claim 5, it is characterized in that: the partition water tank is five roads, from inside to outside be respectively the first partition water tank (11), the second partition water tank (12), the 3rd partition water tank (13), the 4th partition water tank (14), the 5th partition water tank (15), coke tar cracking device (17) is positioned at the first partition water tank (11), between the second partition water tank (12), between the 4th partition water tank (14) and the 5th partition water tank (15), design right dedusting mouth (5) and the left dedusting mouth (4) that has by the capping shutoff on the 5th partition water tank (15) and the water tank between body sidewall respectively.
7. a kind of steam and air mixed medium biomass gasifier of stating according to claim 6 is characterized in that: drive steam discharging valve (19) at the top of water tank upper body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202564044U CN201737904U (en) | 2010-07-06 | 2010-07-06 | Biomass gasification furnace utilizing mixture of steam and air medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202564044U CN201737904U (en) | 2010-07-06 | 2010-07-06 | Biomass gasification furnace utilizing mixture of steam and air medium |
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| Publication Number | Publication Date |
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| CN201737904U true CN201737904U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202564044U Expired - Fee Related CN201737904U (en) | 2010-07-06 | 2010-07-06 | Biomass gasification furnace utilizing mixture of steam and air medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885988A (en) * | 2010-07-06 | 2010-11-17 | 刘善华 | Steam and air mixed medium biomass gasifier |
| CN102410557A (en) * | 2011-10-08 | 2012-04-11 | 刘声凯 | Dual-purpose biomass gasification furnace for cooking and heating |
-
2010
- 2010-07-06 CN CN2010202564044U patent/CN201737904U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885988A (en) * | 2010-07-06 | 2010-11-17 | 刘善华 | Steam and air mixed medium biomass gasifier |
| CN101885988B (en) * | 2010-07-06 | 2012-12-19 | 刘善华 | Steam and air mixed medium biomass gasifier |
| CN102410557A (en) * | 2011-10-08 | 2012-04-11 | 刘声凯 | Dual-purpose biomass gasification furnace for cooking and heating |
| CN102410557B (en) * | 2011-10-08 | 2013-07-31 | 刘声凯 | Dual-purpose biomass gasification furnace for cooking and heating |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HEILONGJIANG SHENGYAN NEW ENERGY DEVELOPMENT CO., Effective date: 20120521 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120521 Address after: 277100, Shandong province Zaozhuang post office leading road delivery box No. 55 turn Co-patentee after: Heilongjiang Sheng Yanxin Energy Development Co. Ltd. Patentee after: Liu Shanhua Address before: 277100, Shandong province Zaozhuang post office leading road delivery box No. 55 turn Patentee before: Liu Shanhua |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20110706 |