CN101475861B - Mixed shaped body of metallic oxide powder and carbon powder - Google Patents
Mixed shaped body of metallic oxide powder and carbon powder Download PDFInfo
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- CN101475861B CN101475861B CN 200910103143 CN200910103143A CN101475861B CN 101475861 B CN101475861 B CN 101475861B CN 200910103143 CN200910103143 CN 200910103143 CN 200910103143 A CN200910103143 A CN 200910103143A CN 101475861 B CN101475861 B CN 101475861B
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The invention relates to a formed body formed by mixing metal oxide powder and carbon powder. The formed body contains the carbon powder which accounts for 15 to 45 percent of the total weight, and is characterized in that the formed body at least contains one high melting point powdery metal oxide with a melting point higher than 1,100 DEG C, one middle melting point powdery metal oxide with a melting point of between 600 and 1,100 DEG C, and one low melting point powdery metal oxide with a melting point of between 300 and 600 DEG C, and the powdery metal oxides are fully mixed with the carbon powder and then are mixed evenly with an adhesive to be prepared into the formed body. The formed body has the advantages that the formed body can maintain better strength in low temperature and high temperature state, fully contact steam, can effectively remove carbon oxide, improve the calorific value of combustible gas, reduce the consumption of the carbon powder, and reduce the emission of harmful gas. The formed body is particularly suitable for semi-water gas boilers or water gas boilers.
Description
Technical field
The present invention relates to a kind of formed body that mixes with carbon dust for the metal oxide powder of semi-water-gas boiler or boiler burning waterpgas as fuel.
Background technology
Directly-heated coal-fired boiler although adopt air blast combustion-supporting, but still exists burning insufficient take lump coal or moulded coal as fuel, and fuel availability is low, the defective of discharge atmosphere pollution.For all deficiencies that directly-heated coal-fired boiler exists, people have developed boiler burning waterpgas as fuel and semi-water-gas boiler, and the name of announcing such as CN 2842209Y is called " direet-heating type semi-water-gas boiler ".This boiler had both burnt coal, and semi-water gas burns again.It uses the thermal source in the boiler, produces saturation steam and air and is ejected into together on the fervid coal charge, accelerates gasification, oxidation obtains semi-water gas, and semi-water gas is again in the stove internal combustion, thereby has improved the utilization ratio of fuel, has reduced the discharging of obnoxious flavour.Along with the raising of mining mechanization degree, the lump coal recovery ratio is about 20% only, causes imbalance between supply and demand outstanding, and the lump coal price is soaring year by year.So beginning to explore, people utilize cheap coal powder formation to substitute lump coal.The patent of invention that is called " industrial shaping coal " such as the name of CN 1160443C bulletin, this moulded coal is added suitable quantity of water compression moulding and makes through destructive distillation through stirring by hard coal coal dust or coke powder and the pulverized bituminous coal that has that accounts for gross weight 15-35%, has fixed carbon content high, the advantage that the ash content of coal is few is applicable to gas production, town gas, smelting etc.And for example the name of CN 100360647C bulletin is called " gasifying coal for water gas furnace ", this moulded coal is comprised of pulverized anthracite, bituminous coal powder, brown coal powder and caking agent, mainly solve existing moulded coal reactive behavior and be starkly lower than lump coal, burn insufficient the technical problem that lime-ash carbon residue rate is high.Existing moulded coal mostly is that coal dust mixes compacting and forms with caking agent, and its cold strength and hot strength all be not so good as lump coal, and be easily broken under the furnace high-temperature environment, causes gas stream in the stove to stop up, and affects gasification reaction and carry out, and makes the gasification efficiency reduction.Some pulverous metal oxides are mixed in the raw coal, can play and impel carbon perfect combustion and prevent that carbonic acid gas is reduced into the effect of carbon monoxide by scorching hot carbon.If but the amount that adds metal oxide very little, kind is single, can not improve the intensity of moulded coal, can not fully impel carbon perfect combustion, reduces the discharging of objectionable impurities.
Summary of the invention
The purpose of this invention is to provide the formed body that a kind of metal oxide powder mixes with carbon dust, it all has preferably intensity under low temperature and high temperature, the gap between the lasting holding type body of energy, and various surface contacts with steam evenly; Can impel carbon perfect combustion, significantly improve thermo-efficiency, reduce the consumption of carbon dust, reduce the discharging of objectionable impurities.Be specially adapted to semi-water-gas boiler or boiler burning waterpgas as fuel.
The formed body that metal oxide powder of the present invention mixes with carbon dust, contain the carbon dust that accounts for gross weight 15%-45%, described carbon dust is pulverized anthracite, coke powder, Graphite Powder 99, bituminous coal powder or wood charcoal powder, perhaps is the two or more mixing carbon dust in front, it is characterized in that:
It contains pulverous refractory metal oxide compound that a kind of fusing point is higher than 1100 ℃ at least, at least contain the pulverous middle melting point metals oxide compound of a kind of fusing point between 600 ℃-1100 ℃, contain at least pulverous low melting point metal oxide compound of a kind of fusing point between 300 ℃-600 ℃;
Pulverous refractory metal oxide compound, middle melting point metals oxide compound and low melting point metal oxide compound mix the formed body of making semisphere, sphere or short cylindrical shape that diameter is 5-12cm with caking agent again with after carbon dust fully mixes.
The refractory metal oxide compound is ferric oxide, titanium dioxide, Manganse Dioxide etc.; Middle melting point metals oxide compound is cupric oxide, magnesium oxide etc.; The low melting point metal oxide compound is aluminium sesquioxide, zinc oxide etc.They fully mix with carbon dust, make formed body by caking agent, in the boiler internal combustion, can have preferably intensity under low temperature, middle gentle high temperature, and the gap between the holding type body makes various surface contact evenly with steam lastingly.The metal oxide of formed body can be removed carbon monoxide effectively, improves the calorific value of inflammable gas.Water vapour obtains semi-water gas with the carbon effect of red heat in air mixed enters boiler, main component is hydrogen and carbon monoxide.Carbon monoxide and the water vapour effect that enters in the boiler obtain carbonic acid gas and hydrogen, carbon monoxide and enter that airborne oxygen effect obtains carbonic acid gas in the boiler; Carry out in boiler in oxidation, the reduction reaction, water vapour and carbonic acid gas are transformed to H under the katalysis of the metallic elements such as iron, aluminium
2And CH
4Thereby, improved the calorific value of inflammable gas.
Described carbon dust and metal oxide powder formed body is characterized in that: described caking agent is glutinous rice paste, industrial syrup or water glass.
Described carbon dust and metal oxide powder formed body, it is characterized in that: contain the Graphite Powder 99 that accounts for gross weight 15%, 50% Powdered ferric oxide, pulverous aluminium sesquioxide of 15%, 15% powdered zinc oxide, mix with 5% sticky rice syrup more after sufficiently mixing, be pressed into the hemispheric formed body of diameter 8cm.
Described carbon dust and metal oxide powder formed body, it is characterized in that: contain the Graphite Powder 99 that accounts for gross weight 5%, 18% coke powder, 54% Powdered ferric oxide, 5% Powdered cupric oxide, pulverous aluminium sesquioxide of 8%, 5% powdered zinc oxide, mix with 5% industrial syrup more after sufficiently mixing, make the formed body of the sphere of diameter 10cm.
Described carbon dust and metal oxide powder formed body, it is characterized in that: contain the Graphite Powder 99 that accounts for gross weight 5%, 10% coke powder, 10% coal dust, 54% Powdered ferric oxide, 3% Powdered cupric oxide, pulverous aluminium sesquioxide of 10%, 3% powdered zinc oxide, mix with 5% water glass more after sufficiently mixing, make the formed body of the short cylindrical shape of diameter 6cm.
Beneficial effect of the present invention: owing to having added more than three kinds and having surpassed the metal oxide of gross weight more than 50 percent, so the moulding physical efficiency can keep preferably intensity under low temperature and the condition of high temperature, make it to contact fully with steam, and can effectively remove carbon monoxide, improve the calorific value of inflammable gas, reduce the consumption of carbon dust, reduce the discharging of objectionable impurities, be specially adapted to semi-water-gas boiler or boiler burning waterpgas as fuel.
Embodiment
The formed body that metal oxide powder of the present invention mixes with carbon dust, contain the carbon dust that accounts for gross weight 15%-45%, described carbon dust is pulverized anthracite, coke powder, Graphite Powder 99, bituminous coal powder or wood charcoal powder, perhaps is the two or more mixing carbon dust in front; It contains pulverous refractory metal oxide compound that a kind of fusing point is higher than 1100 ℃ at least, at least contain the pulverous middle melting point metals oxide compound of a kind of fusing point between 600 ℃-1100 ℃, contain at least pulverous low melting point metal oxide compound of a kind of fusing point between 300 ℃-600 ℃; Pulverous metal oxide mixes with caking agent and makes formed body with after carbon dust fully mixes.
Embodiment one: described carbon dust and metal oxide powder formed body, contain the Graphite Powder 99 that accounts for gross weight 15%, 50% Powdered ferric oxide, pulverous aluminium sesquioxide of 15%, 15% powdered zinc oxide, mix with 5% sticky rice syrup more after sufficiently mixing, be pressed into the hemispheric formed body of diameter 8cm.
Embodiment two: described carbon dust and metal oxide powder formed body, contain the Graphite Powder 99 that accounts for gross weight 5%, 18% coke powder, 54% Powdered ferric oxide, 5% Powdered cupric oxide, pulverous aluminium sesquioxide of 8%, 5% powdered zinc oxide, mix with 5% industrial syrup more after sufficiently mixing, make the formed body of the sphere of diameter 10cm.
Embodiment three: described carbon dust and metal oxide powder formed body, contain the Graphite Powder 99 that accounts for gross weight 5%, 10% coke powder, 10% coal dust free, 54% Powdered ferric oxide, 3% Powdered cupric oxide, pulverous aluminium sesquioxide of 10%, 3% powdered zinc oxide, mix with 5% water glass more after sufficiently mixing, make the formed body of the short cylindrical shape of diameter 6cm.
Embodiment four: described carbon dust and metal oxide powder formed body, contain the Graphite Powder 99 that accounts for gross weight 15%, 10% bituminous coal powder, 40% Powdered ferric oxide, pulverous aluminium sesquioxide of 15%, 15% powdered zinc oxide, mix with 5% sticky rice syrup more after sufficiently mixing, be pressed into the hemispheric formed body of diameter 10cm.
Embodiment five: described carbon dust and metal oxide powder formed body, it is characterized in that: contain the Graphite Powder 99 that accounts for gross weight 15%, 30% coke powder, 32% Powdered ferric oxide, 5% Powdered cupric oxide, pulverous aluminium sesquioxide of 8%, 5% powdered zinc oxide, mix with 5% industrial syrup more after sufficiently mixing, make the formed body of the sphere of diameter 12cm.
Embodiment six: described carbon dust and metal oxide powder formed body, it is characterized in that: contain the Graphite Powder 99 that accounts for gross weight 5%, 10% coke powder, 10% wood charcoal powder, 54% Powdered ferric oxide, 3% Powdered cupric oxide, pulverous aluminium sesquioxide of 10%, 3% powdered zinc oxide, mix with 5% water glass more after sufficiently mixing, make the formed body of the short cylindrical shape of diameter 5cm.
Claims (2)
1. a carbon dust and metal oxide powder formed body, it is characterized in that: contain the Graphite Powder 99 that accounts for gross weight 5%, 18% coke powder, 54% Powdered ferric oxide, 5% Powdered cupric oxide, pulverous aluminium sesquioxide of 8%, 5% powdered zinc oxide, mix with 5% industrial syrup more after sufficiently mixing, make the formed body of the sphere of diameter 10 ㎝.
2. a carbon dust and metal oxide powder formed body, it is characterized in that: contain the Graphite Powder 99 that accounts for gross weight 5%, 10% coke powder, 10% coal dust, 54% Powdered ferric oxide, 3% Powdered cupric oxide, pulverous aluminium sesquioxide of 10%, 3% powdered zinc oxide, mix with 5% water glass more after sufficiently mixing, make the formed body of the short cylindrical shape of diameter 6 ㎝.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910103143 CN101475861B (en) | 2009-02-04 | 2009-02-04 | Mixed shaped body of metallic oxide powder and carbon powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910103143 CN101475861B (en) | 2009-02-04 | 2009-02-04 | Mixed shaped body of metallic oxide powder and carbon powder |
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| CN101475861A CN101475861A (en) | 2009-07-08 |
| CN101475861B true CN101475861B (en) | 2013-01-16 |
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| CN 200910103143 Active CN101475861B (en) | 2009-02-04 | 2009-02-04 | Mixed shaped body of metallic oxide powder and carbon powder |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391783A (en) * | 2011-09-15 | 2012-03-28 | 中国中轻国际工程有限公司 | Special sealing coating for gas flues and pipelines |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044490A (en) * | 1989-01-28 | 1990-08-08 | 周全 | Multi-purpose easy combustion coal |
| JP2004083796A (en) * | 2002-08-28 | 2004-03-18 | Taiho Ind Co Ltd | Fuel additive for preventing slagging trouble and combustion method of fuel |
| CN1712500A (en) * | 2004-06-21 | 2005-12-28 | 煤炭科学研究总院 | High-temperature gas composite oxide desulfurizer and production thereof |
| CN101302456A (en) * | 2007-07-30 | 2008-11-12 | 陈睿红 | Highly effective coal combustion improver and preparation thereof |
| CN101328440A (en) * | 2007-06-22 | 2008-12-24 | 刘秀芹 | Catalysis combustion improver |
-
2009
- 2009-02-04 CN CN 200910103143 patent/CN101475861B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044490A (en) * | 1989-01-28 | 1990-08-08 | 周全 | Multi-purpose easy combustion coal |
| JP2004083796A (en) * | 2002-08-28 | 2004-03-18 | Taiho Ind Co Ltd | Fuel additive for preventing slagging trouble and combustion method of fuel |
| CN1712500A (en) * | 2004-06-21 | 2005-12-28 | 煤炭科学研究总院 | High-temperature gas composite oxide desulfurizer and production thereof |
| CN101328440A (en) * | 2007-06-22 | 2008-12-24 | 刘秀芹 | Catalysis combustion improver |
| CN101302456A (en) * | 2007-07-30 | 2008-11-12 | 陈睿红 | Highly effective coal combustion improver and preparation thereof |
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| CN101475861A (en) | 2009-07-08 |
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Inventor after: Yang Guiqiang Inventor after: Yang Guiying Inventor before: Yang Guiqiang Inventor before: Xiao Guangjie Inventor before: Yang Guiying |
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Effective date of registration: 20120717 Address after: 400030 No. 35 Yang Sha Road, Shapingba District, Chongqing, 1-2 Applicant after: Yang Guiqiang Co-applicant after: Yang Guiying Address before: 400030 No. 35 Yang Sha Road, Shapingba District, Chongqing, 1-2 Applicant before: Yang Guiqiang Co-applicant before: Xiao Guangjie Co-applicant before: Yang Guiying |
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