CN102585963A - Biomass boiler anti-coking agent with porous membrane structure and preparation method thereof - Google Patents
Biomass boiler anti-coking agent with porous membrane structure and preparation method thereof Download PDFInfo
- Publication number
- CN102585963A CN102585963A CN2012100272878A CN201210027287A CN102585963A CN 102585963 A CN102585963 A CN 102585963A CN 2012100272878 A CN2012100272878 A CN 2012100272878A CN 201210027287 A CN201210027287 A CN 201210027287A CN 102585963 A CN102585963 A CN 102585963A
- Authority
- CN
- China
- Prior art keywords
- mgo
- kaolin
- agent
- active
- coking
- 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.)
- Granted
Links
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a biomass boiler anti-coking agent with a porous membrane structure and a preparation method thereof. The anti-coking agent consists of magnesium oxide (MgO), kaolin, active aluminum oxide (Al2O3) and a foaming agent. The MgO, the kaolin and active Al2O3MgO form an MgO-kaolin-active Al2O3MgO matrix of the anti-coking agent, wherein percentage mass contents of the MgO, the kaolin and the active Al2O3 in the MgO-kaolin-active Al2O3MgO matrix are respectively 20%-60%, 25%-65% and 15%-30%. The percentage mass content of the foaming agent in the whole anti-coking agent is 20%-50%. The biomass anti-coking agent with the porous membrane structure is high in mechanical strength, stable in structure and large in poriness and specific surface area, and the reaction area between the anti-coking agent and alkali metal in biomass is increased. Micro-pores on the surface of the anti-coking agent have adsorption performance, alkali metal such as K and Na can be effectively adsorbed onto the surface of the anti-coking agent, high-melting-point matter is generated, and generation of slag of heat-transfer surface is reduced. The invention further provides the preparation method of the anti-coking agent.
Description
Technical field
The invention belongs to gasifying biomass or field of combustion technology, specifically be meant a kind of porous membrane structure biomass boiler anti-coking agent and preparation method thereof.
Background technology
Ratio content is higher mutually with fossil oil owing to inorganic elementss such as its basic metal K, Na and non-metallic element Cl for biomass fuel; Special propertys such as character is active; Cause the biomass ash fusion point low; Thereby in biomass boiler burning and gasification, caused biomass boiler more to be prone to a series of problems such as dust stratification, slagging scorification, threatened security, economy and the boiler equipment availability factor of boiler operatiopn greatly.
Being employed in and adding the formation that additive suppresses dust stratification, slagging scorification in the biomass fuel, is the method for a simple possible.Its principle: the one, generate the high melting point alkali metallic compound through additive and alkali metal vapour generation chemical reaction, be fixed in the bottom ash; The 2nd, physical adsorption and chemisorption through additive are fixed up basic metal.The 3rd, through some the non-alkali metals in additive and the ash content related reaction takes place, the generation of inhibition low melting point.In addition, additive itself belongs to dystectic material.
Summary of the invention
One of the object of the invention provides the agent of a kind of porous membrane structure biomass boiler anti-coking; This anti-coking agent reaction efficiency is high, specific surface area is big, voidage is high, Heat stability is good, physical strength is big, Stability Analysis of Structures is indeformable, the problem that can solve the slagging scorification easily in combustion processes of present biomass fuel, be prone to dust stratification, the combustion equipment utilization ratio is low.
This purpose of the present invention realizes through following technical scheme: the agent of a kind of porous membrane structure biomass boiler anti-coking is characterized in that: said anti-coking agent is by MgO, kaolin, active A l
2O
3Form said MgO, kaolin and active A l with whipping agent
2O
3MgO is the MgO-kaolin-active A l of said anti-coking agent
2O
3Matrix, wherein, at MgO-kaolin-active A l
2O
3MgO, kaolin and active A l in the matrix
2O
3The quality percentage composition of these three kinds of components is respectively 20%-60%, 25%-65% and 15%-30%, and the quality percentage composition of said whipping agent in whole anti-coking agent is 20%-50%.
Said whipping agent is a charcoal.
The present invention utilized some cheap mineral as additive preparation the anti-coking agent, adopt direct mixed uniformly method, only use minor amounts of additives, just increased substantially the grey melt temperature of biomass fuel.Therefore, utilize this composite additive to improve biomass ash melt temperature, have the simple and low characteristics of cost of process.Among the present invention, the grey melt temperature of biomass fuel standard ash and composite additive and biomass ash mixture is to test according to the GB/T219-2008 specified test.
Two of the object of the invention provides the preparation method of above-mentioned porous membrane structure biomass boiler anti-coking agent, and this preparation method is simple to operate, and is easy to utilize.
This purpose of the present invention realizes through following technical scheme: the preparation method of a kind of porous membrane structure biomass boiler anti-coking agent, this method comprises the steps:
Step (1): choose kaolin, MgO and active A l
2O
3Grind evenly MgO, kaolin and active A l
2O
3MgO is the MgO-kaolin-active A l of anti-coking agent
2O
3Matrix, wherein, at MgO-kaolin-active A l
2O
3MgO, kaolin and active A l in the matrix
2O
3The quality percentage composition of these three kinds of components is respectively 20%-60%, 25%-65% and 15%-30%; Add whipping agent then and stir, the quality percentage composition of whipping agent in whole anti-coking agent is 20%-50%, is pressed into circular piece after stirring;
Step (2): the circular piece of compacting is calcined;
Step (3): the circular piece after the roasting is ground, promptly obtain the anti-coking agent of porous membrane structure.
MgO, kaolin and active A l in the said step (1)
2O
3Particle diameter after the grinding is 0.06-0.09mm; Said whipping agent is a charcoal, and particle diameter is 0.1-0.2mm.
MgO, kaolin, active A l in the said step (1)
2O
3Stirring back with whipping agent is under the condition of 38-40Mpa, to be pressed into the circular piece of φ 10 * 5mm in forming pressure adopting semidrying on the pressing machine.
Calcining temperature in the said step (2) is 1100-1200 ℃, and calcination time is 2-4h.
Grinding particle diameter in the said step (3) is less than 0.1mm.
Compared with prior art, the anti-coking agent in of the present invention is a porous membrane structure, have physical strength height, Stability Analysis of Structures, greatly porosity and specific surface area, can increase the reaction area of anti-coking agent and biomass.Its surface micropore has absorption property, can be with basic metal active adsorption such as K, Na in its surface, and generate the HMP material, thus reduce the generation of heating surface slagging scorification.Activeconstituents in the anti-coking agent can effectively suppress the generation of lower melting point an alkali metal salt in the biomass combustion process, thereby improves stalk ash fluxing point.This additive is cheap in addition, and preparation technology is simple, and the also field of all right as fertilizer sources of the back ash that produces of burning, and has realized the recycle of material, is suitable for applying on a large scale.
Embodiment
Embodiment 1
The agent of a kind of porous membrane structure biomass boiler anti-coking, this anti-coking agent is by MgO, kaolin, active A l
2O
3Form with whipping agent, whipping agent is a charcoal, MgO, kaolin and active A l
2O
3MgO is the MgO-kaolin-active A l of anti-coking agent
2O
3Matrix, each constituent mass is respectively in the anti-coking agent: 10.0g kaolin, 4.0g active A l
2O
3, 6.0g MgO and 20.0g charcoal.
The agent of above-mentioned porous membrane structure biomass boiler anti-coking, its preparation method is following:
Step (1): with 10.0g kaolin, 4.0g active A l
2O
3Be ground to 0.06-0.09mm respectively with 6.0g MgO, adding the 20.0g particle diameter is the charcoal of 0.1-0.2mm, is under the condition of 38MPa, to be pressed into the circular piece of φ 10 * 5mm in forming pressure adopting semidrying on the pressing machine;
Step (2): with circular piece 1100 ℃ of suitable 4h of calcining in retort furnace of compacting;
Step (3): the circular piece after the roasting is ground to less than 0.1mm promptly obtains the agent of porous membrane structure anti-coking.(wherein kaolin, active A l
2O
3Be respectively 50%, 20% and 30% with the quality percentage composition of MgO, the whipping agent massfraction is 50%).
Adopt the small-sized combustion reactor of development voluntarily that the performance of above-mentioned anti-coking agent is tested.Employing is a fuel from the wheat stalk in Tai'an, Shandong, and the additive quality is 4% of a wheat stalk quality, at the 800-1100 ℃ of content that can effectively reduce alkali metal gas such as potassium, sodium in the flue gas down.And through after the reaction, the ash fusion point of biomass ash is improved significantly, concrete data of ash fusion point such as table 1.
Table 1
Embodiment 2
The agent of a kind of porous membrane structure biomass boiler anti-coking, this anti-coking agent is by MgO, kaolin, active A l
2O
3Form with whipping agent, whipping agent is a charcoal, MgO, kaolin and active A l
2O
3MgO is the MgO-kaolin-active A l of anti-coking agent
2O
3Matrix, each constituent mass is respectively in the anti-coking agent: 13.0g kaolin, 3.0g active A l
2O
34.0g, MgO and 8.6g charcoal.
The agent of above-mentioned porous membrane structure biomass boiler anti-coking, its preparation method is following:
Step (1): with 13.0g kaolin, 3.0g active A l
2O
3Be ground to 0.06-0.09mm respectively with 4.0g MgO, adding the 8.6g particle diameter is the charcoal of 0.1-0.2mm, is under the condition of 39MPa, to be pressed into the circular piece of φ 10 * 5mm in forming pressure adopting semidrying on the pressing machine;
Step (2): with circular piece 1150 ℃ of suitable 3h of calcining in retort furnace of compacting;
Step (3): the circular piece after the roasting is ground to less than 0.1mm promptly obtains the agent of porous membrane structure anti-coking.(wherein kaolin, active A l
2O
3Be respectively 65%, 15% and 20% with the quality percentage composition of MgO, the whipping agent massfraction is 30%).
Adopt the small-sized combustion reactor of development voluntarily that the performance of above-mentioned anti-coking agent is tested.Employing is a fuel from the wheat stalk in Tai'an, Shandong, and the additive quality is 4% of a wheat stalk quality, at the 800-1100 ℃ of content that can effectively reduce alkali metal gas such as potassium, sodium in the flue gas down.And through after the reaction, the ash fusion point of biomass ash is improved significantly, concrete data of ash fusion point such as table 2.
Table 2
Embodiment 3
The agent of a kind of porous membrane structure biomass boiler anti-coking, this anti-coking agent is by MgO, kaolin, active A l
2O
3Form with whipping agent, whipping agent is a charcoal, MgO, kaolin and active A l
2O
3MgO is the MgO-kaolin-active A l of anti-coking agent
2O
3Matrix, each constituent mass is respectively in the anti-coking agent: 5.0g kaolin, 3.0g active A l
2O
3, 12.0g MgO and 5.0g charcoal.
The agent of above-mentioned porous membrane structure biomass boiler anti-coking, its preparation method is following:
Step (1): with 5.0g kaolin, 3.0g active A l
2O
3Be ground to 0.06-0.09mm respectively with 12.0g MgO, adding the 5.0g particle diameter is the charcoal of 0.1-0.2mm, is under the condition of 39MPa, to be pressed into the circular piece of φ 10 * 5mm in forming pressure adopting semidrying on the pressing machine;
Step (2): with circular piece 1200 ℃ of suitable 2.5h of calcining in retort furnace of compacting;
Step (3): the circular piece after the roasting is ground to less than 0.1mm promptly obtains the agent of porous membrane structure anti-coking.(wherein kaolin, active A l
2O
3Be respectively 25%, 15% and 60% with the quality percentage composition of MgO, the whipping agent massfraction is 20%).
Adopt the small-sized combustion reactor of development voluntarily that the performance of last anti-coking agent is tested.Employing is a fuel from the corn straw in Tongliao, Inner Mongolia city, and the additive quality is 2% of a corn straw quality, at the 800-1100 ℃ of content that can effectively reduce alkali metal gas such as potassium, sodium in the flue gas down.And through after the reaction, the ash fusion point of biomass ash is improved significantly, concrete data of ash fusion point such as table 3.
Table 3
Embodiment 4
The agent of a kind of porous membrane structure biomass boiler anti-coking, this anti-coking agent is by MgO, kaolin, active A l
2O
3Form with whipping agent, whipping agent is a charcoal, MgO, kaolin and active A l
2O
3MgO is the MgO-kaolin-active A l of anti-coking agent
2O
3Matrix, each constituent mass is respectively in the anti-coking agent: 6.0g kaolin, 4.0g active A l
2O
3, 10.0g MgO and 13.3g charcoal.
The agent of above-mentioned porous membrane structure biomass boiler anti-coking, its preparation method is following:
Step (1): with 6.0g kaolin, 4.0g active A l
2O
3Be ground to 0.06-0.09mm respectively with 10.0g MgO, adding the 13.3g particle diameter is the charcoal of 0.1-0.2mm, is under the condition of 40MPa, to be pressed into the circular piece of φ 10 * 5mm in forming pressure adopting semidrying on the pressing machine;
Step (2): with circular piece 1200 ℃ of suitable 2h of calcining in retort furnace of compacting;
Step (3): the circular piece after the roasting is ground to less than 0.1mm promptly obtains the agent of porous membrane structure anti-coking.(wherein kaolin, active A l
2O
3Be respectively 30%, 20% and 50% with the quality percentage composition of MgO, the whipping agent massfraction is 40%).
Adopt the small-sized combustion reactor of development voluntarily that the performance of last anti-coking agent is tested.Employing is a fuel from the corn straw in Tongliao, Inner Mongolia city, and the additive quality is 2% of a corn straw quality, at the 800-1100 ℃ of content that can effectively reduce alkali metal gas such as potassium, sodium in the flue gas down.And through after the reaction, the ash fusion point of biomass ash is improved significantly, concrete data of ash fusion point such as table 4.
Table 4
Claims (7)
1. porous membrane structure biomass boiler anti-coking agent is characterized in that: said anti-coking agent is by MgO, kaolin, active A l
2O
3Form said MgO, kaolin and active A l with whipping agent
2O
3MgO is the MgO-kaolin-active A l of said anti-coking agent
2O
3Matrix, wherein, at MgO-kaolin-active A l
2O
3MgO, kaolin and active A l in the matrix
2O
3The quality percentage composition of these three kinds of components is respectively 20%-60%, 25%-65% and 15%-30%, and the quality percentage composition of said whipping agent in whole anti-coking agent is 20%-50%.
2. porous membrane structure biomass boiler anti-coking according to claim 1 agent is characterized in that: said whipping agent is a charcoal.
3. the preparation method of porous membrane structure biomass boiler anti-coking agent, this method comprises the steps:
Step (1): choose kaolin, MgO and active A l
2O
3Grind evenly MgO, kaolin and active A l
2O
3MgO is the MgO-kaolin-active A l of anti-coking agent
2O
3Matrix, wherein, at MgO-kaolin-active A l
2O
3MgO, kaolin and active A l in the matrix
2O
3The quality percentage composition of these three kinds of components is respectively 20%-60%, 25%-65% and 15%-30%; Add whipping agent then and stir, the quality percentage composition of whipping agent in whole anti-coking agent is 20%-50%, is pressed into circular piece after stirring;
Step (2): the circular piece of compacting is calcined;
Step (3): the circular piece after the roasting is ground, promptly obtain the anti-coking agent of porous membrane structure.
4. preparation method according to claim 3 is characterized in that: MgO, kaolin and active A l in the said step (1)
2O
3Particle diameter after the grinding is 0.06-0.09mm; Said whipping agent is a charcoal, and particle diameter is 0.1-0.2mm.
5. preparation method according to claim 3 is characterized in that: MgO, kaolin, active A l in the said step (1)
2O
3Stirring back with whipping agent is under the condition of 38-40Mpa, to be pressed into the circular piece of φ 10 * 5mm in forming pressure adopting semidrying on the pressing machine.
6. preparation method according to claim 3 is characterized in that: the calcining temperature in the said step (2) is 1100-1200 ℃, and calcination time is 2-4h.
7. preparation method according to claim 3 is characterized in that: the grinding particle diameter in the said step (3) is less than 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100272878A CN102585963B (en) | 2012-02-08 | 2012-02-08 | Biomass boiler anti-coking agent with porous membrane structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100272878A CN102585963B (en) | 2012-02-08 | 2012-02-08 | Biomass boiler anti-coking agent with porous membrane structure and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102585963A true CN102585963A (en) | 2012-07-18 |
| CN102585963B CN102585963B (en) | 2013-12-11 |
Family
ID=46475204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100272878A Active CN102585963B (en) | 2012-02-08 | 2012-02-08 | Biomass boiler anti-coking agent with porous membrane structure and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102585963B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786998A (en) * | 2012-07-24 | 2012-11-21 | 周丽琴 | Boiler coke preventing and eliminating agent |
| CN103013617A (en) * | 2013-01-08 | 2013-04-03 | 华北电力大学 | Industrial residue boiler anti-coking agent and application method thereof |
| CN104479790A (en) * | 2014-11-27 | 2015-04-01 | 广东电网有限责任公司电力科学研究院 | Compound additive for inhibiting alkali metals from being transferred to gaseous phase in biomass combustion process and preparation method and application |
| CN104829441A (en) * | 2014-05-16 | 2015-08-12 | 武汉长江工商学院 | Anti-coking agent for distillation of benzaldehyde |
| CN105112122A (en) * | 2015-09-24 | 2015-12-02 | 东南大学 | Biomass combustion coal additive effective in controlling release of alkali metals |
| CN105238494A (en) * | 2015-10-19 | 2016-01-13 | 广东电网有限责任公司电力科学研究院 | Additive inhibiting biomass boiler coking and using method thereof |
| CN105419903A (en) * | 2015-10-23 | 2016-03-23 | 山东默锐环境产业股份有限公司 | Coke slag tempering type decoking agent suitable for high-sodium coal and preparation method thereof and application thereof |
| CN108998146A (en) * | 2018-08-21 | 2018-12-14 | 芜湖聚焰生物质能源科技有限公司 | The biomass moulding solid fuel production preparation method and resistive connection slag agent of resistive connection slag agent |
| CN112759374A (en) * | 2020-12-31 | 2021-05-07 | 上海化学工业区升达废料处理有限公司 | Anti-coking agent for hazardous waste incineration line and preparation method thereof |
| CN113372975A (en) * | 2021-06-18 | 2021-09-10 | 唐山市华亿生物质燃料有限公司 | Biomass fuel and production process thereof |
| CN113430027A (en) * | 2021-07-01 | 2021-09-24 | 唐山市华亿生物质燃料有限公司 | Biomass fuel |
| GB2622593A (en) * | 2022-09-20 | 2024-03-27 | Mei Bai Hong | Solid biomass fuel anti-coking additive |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093741A (en) * | 1994-03-02 | 1994-10-19 | 刘冠中 | High-efficient combustion-supporting coke-knocking descaling additive for combustion furnace |
| CN1686605A (en) * | 2005-02-25 | 2005-10-26 | 许庆华 | Biomass gasification furnace absorbent and its production method |
-
2012
- 2012-02-08 CN CN2012100272878A patent/CN102585963B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093741A (en) * | 1994-03-02 | 1994-10-19 | 刘冠中 | High-efficient combustion-supporting coke-knocking descaling additive for combustion furnace |
| CN1686605A (en) * | 2005-02-25 | 2005-10-26 | 许庆华 | Biomass gasification furnace absorbent and its production method |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786998A (en) * | 2012-07-24 | 2012-11-21 | 周丽琴 | Boiler coke preventing and eliminating agent |
| CN102786998B (en) * | 2012-07-24 | 2014-04-02 | 周丽琴 | Boiler coke preventing and eliminating agent |
| CN103013617A (en) * | 2013-01-08 | 2013-04-03 | 华北电力大学 | Industrial residue boiler anti-coking agent and application method thereof |
| CN104829441B (en) * | 2014-05-16 | 2016-04-27 | 武汉长江工商学院 | The agent of a kind of phenyl aldehyde distillation anti-coking |
| CN104829441A (en) * | 2014-05-16 | 2015-08-12 | 武汉长江工商学院 | Anti-coking agent for distillation of benzaldehyde |
| CN104479790A (en) * | 2014-11-27 | 2015-04-01 | 广东电网有限责任公司电力科学研究院 | Compound additive for inhibiting alkali metals from being transferred to gaseous phase in biomass combustion process and preparation method and application |
| CN105112122A (en) * | 2015-09-24 | 2015-12-02 | 东南大学 | Biomass combustion coal additive effective in controlling release of alkali metals |
| CN105238494A (en) * | 2015-10-19 | 2016-01-13 | 广东电网有限责任公司电力科学研究院 | Additive inhibiting biomass boiler coking and using method thereof |
| CN105419903A (en) * | 2015-10-23 | 2016-03-23 | 山东默锐环境产业股份有限公司 | Coke slag tempering type decoking agent suitable for high-sodium coal and preparation method thereof and application thereof |
| CN105419903B (en) * | 2015-10-23 | 2018-02-16 | 山东默锐环境产业股份有限公司 | It is a kind of suitable for cinder quenching and tempering type coke-removing agent of high sodium coal and preparation method and application |
| CN108998146A (en) * | 2018-08-21 | 2018-12-14 | 芜湖聚焰生物质能源科技有限公司 | The biomass moulding solid fuel production preparation method and resistive connection slag agent of resistive connection slag agent |
| CN112759374A (en) * | 2020-12-31 | 2021-05-07 | 上海化学工业区升达废料处理有限公司 | Anti-coking agent for hazardous waste incineration line and preparation method thereof |
| CN113372975A (en) * | 2021-06-18 | 2021-09-10 | 唐山市华亿生物质燃料有限公司 | Biomass fuel and production process thereof |
| CN113372975B (en) * | 2021-06-18 | 2022-10-28 | 贵州省霖生木业有限公司 | Biomass fuel and production process thereof |
| CN113430027A (en) * | 2021-07-01 | 2021-09-24 | 唐山市华亿生物质燃料有限公司 | Biomass fuel |
| CN113430027B (en) * | 2021-07-01 | 2022-06-14 | 唐山市华亿生物质燃料有限公司 | Biomass fuel |
| GB2622593A (en) * | 2022-09-20 | 2024-03-27 | Mei Bai Hong | Solid biomass fuel anti-coking additive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102585963B (en) | 2013-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102585963B (en) | Biomass boiler anti-coking agent with porous membrane structure and preparation method thereof | |
| CN101077986B (en) | Multifunctional and highly effective synthesis ammonia gas preparation molded coal cementing agent | |
| Ye et al. | Use of biochar for sustainable ferrous metallurgy | |
| CN103113948B (en) | Filter mud containing clean coal and preparation method thereof | |
| CN103013617A (en) | Industrial residue boiler anti-coking agent and application method thereof | |
| CN103881782B (en) | The agent of fluidized-bed gasification furnace fly ash granule and working method thereof | |
| Wang et al. | High temperature capture of CO2 on Li4SiO4‐based sorbents from biomass ashes | |
| CN108003960B (en) | Biomass fuel for iron ore sintering and preparation method and application thereof | |
| Yang et al. | Li4SiO4 adsorbent derived from industrial biomass fly ash for high-temperature CO2 capture | |
| Ma et al. | CaO powders from oyster shells for efficient CO2 capture in multiple carbonation cycles | |
| Zhang et al. | CaO/CaCO3 thermochemical energy storage performance of MgO/ZnO co-doped CaO honeycomb in cycles | |
| CN104419434B (en) | Method for manufacturing semicoke for sintering | |
| Zhang et al. | Performance of iron ore oxygen carrier modified by biomass ashes in coal‐fueled chemical looping combustion | |
| Wu et al. | Study on the steam gasification reaction of biomass char under the synergistic effect of Ca‐Fe: Analysis of kinetic characteristics | |
| CN107325853A (en) | For the composition for preparing clean type coal and the method for preparing clean type coal and clean type coal | |
| CN105801093B (en) | A kind of flyash high-temperature insulation material and its preparation and purposes | |
| CN108239562A (en) | A kind of biomass compound fuel | |
| CN103589890A (en) | Method for preparing and synthesizing NbCr2 intermetallic compound porous material through reaction of Cr powder and Nb powder | |
| CN108865316B (en) | Preparation method of biomass fuel applied to iron ore sintering | |
| CN104611082A (en) | Production method of environmental-friendly charcoal | |
| CN104371778B (en) | High energy charcoal alcohol slurry clean fuel and preparation method thereof | |
| CN109437609A (en) | A kind of magnesium slag prilling process | |
| CN100497556C (en) | Pressure gasified, water-repellent, drying free gasified coal bonding agent for industry | |
| CN106521275A (en) | Carbon magnesium base composite hydrogen storage material and preparation method thereof | |
| CN102660349A (en) | Composite sintering catalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510080 water Donggang 8, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong. Co-patentee after: NORTH CHINA ELECTRIC POWER University Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Address before: 510080 dongdongdong Road, dongdongdong Road, Guangzhou, Guangdong Province, No. 8 Co-patentee before: North China Electric Power University Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Corp. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180524 Address after: 510630 fifth, 146-150 Whampoa Avenue Middle Road, Tianhe District, Guangzhou, Guangdong. Co-patentee after: NORTH CHINA ELECTRIC POWER University Patentee after: GUANGDONG DIANKEYUAN ENERGY TECHNOLOGY Co.,Ltd. Address before: 510080 water Donggang 8, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong. Co-patentee before: North China Electric Power University Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200716 Address after: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Co-patentee after: NORTH CHINA ELECTRIC POWER University Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Address before: 510630, No. 146-150, No. fifth, Whampoa Avenue, Tianhe District, Guangdong, Guangzhou Co-patentee before: NORTH CHINA ELECTRIC POWER University Patentee before: GUANGDONG DIANKEYUAN ENERGY TECHNOLOGY Co.,Ltd. |