CN104910934A - Biomass organic charcoal preparation method - Google Patents
Biomass organic charcoal preparation method Download PDFInfo
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- CN104910934A CN104910934A CN201510233948.6A CN201510233948A CN104910934A CN 104910934 A CN104910934 A CN 104910934A CN 201510233948 A CN201510233948 A CN 201510233948A CN 104910934 A CN104910934 A CN 104910934A
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- biomass
- organic carbon
- charring furnace
- biological substance
- biomass organic
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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
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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 provides a biomass organic charcoal preparation method, and relates to the technical field of biomass charring. The method adopts a kettle type charring furnace thermal conversion technology, and concretely comprises the following steps: 1, carrying out preprocessing compaction on a biomass raw material to mold a granular fuel; 2, adding the preprocessed biomass molded granular fuel into a charring furnace body, adding a catalyst, and fully mixing the catalyst with the biomass molded particle; and 3, introducing a heating carrier into a tubular heat exchanger in the charring furnace and a jacket on the external surface of the charring furnace, allowing the heating carrier to transmit heat to the biomass molded particles through the heat exchanger and the jacket, and controlling the heat conversion temperature and the conversion time through controlling the pressure and the temperature of the heating carrier. The method has the advantages of simplicity, high efficiency, easy operation control, improvement of the utilization values of biomass energy, realization of clean production of biomass organic charcoal, and improvement of the charcoal yield of the biomass organic charcoal, and allows the biomass organic charcoal product with excellent performances to be prepared.
Description
Technical field
The present invention relates to biomass carbonated technical field, especially relating to a kind of take straw as the biomass Organic carbon preparation method of raw material.
Background technology
The energy is the basis that national economy is depended on for existence and development, and the supply capacity substantial connection of the energy the Sustainable development of economic society, is one of basis of national strategy safety control.China is faced with the dual-pressure of energy shortage and environmental pollution at present, how to seek a kind of clean reproducible energy to make up the shortage of fossil energy, and the discharge of decreasing pollution thing is extremely urgent simultaneously.Take biomass energy as the Biomass Gasification & Power Generation of representative, biomass hydrogen energy, biomass green fuel become the important substitute energy of future development.China's biomass rich reserves, at least produces 3,000,000,000 tons of biomass every year, if can be made full use of, can reduce a large amount of coal and consumption of petroleum.
Biomass pyrolytic charing technology is the one of biomass energy utilization technologies.Biomass carbonated is biomass long-time cracking at extremely low temperature rise rate, temperature about 400 DEG C, to obtain coke to greatest extent, obtains charcoal rate generally about 35%.Biomass can prepare biomass Organic carbon by pyrolysis charring technology, and it is usually used in surperficial resistance solvent in the production process of non-ferrous metal; When refining iron ore, can make the pig iron of melting have foundry goods closely, the feature such as fine-grain structure, crackle be few; It is also usually used in manufacturing electrode, black powder, lubricant etc., and the volatile matter of collection can be used for combustion power generation, and pyrolysis fuel oil is also a kind of important Industrial products.Organic carbon is made up of charcoal and hydrocarbon oxide compound, can prepare gac after overactivation.
Traditional kiln formula charring furnace charring requires very strict to the firepower control in combustion processes, and is mostly to be built into by common brick due to kiln body, and volume is larger; Multiplex hard log is made charcoal, not only serious waste of resources, and production process labour intensity is large, condition is poor, the production cycle is long, seriously polluted; The biomass material pyrolysis charcoal processing such as waste straw, straw that cannot be a large amount of to rural area.
Summary of the invention
In order to solve the shortage problem of fossil oil, overcome the shortcoming of traditional kiln formula charring furnace charring, improve the utility value of biomass energy, the invention provides a kind of simple, efficient, manageable biomass Organic carbon preparation method, the method can by biological substance shaped granule fuel under anaerobic pyrolytic carbon change into biomass Organic carbon.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of biomass Organic carbon preparation method, is characterized in that the method is have employed inside to have the autoclave charring furnace thermal transition method that interchanger and catalyzer thrust-augmenting nozzle and outside surface are provided with chuck, specifically comprises the steps:
(1) pre-treatment: after fully being pulverized by biomass material, is pressed into biological substance shaped granule fuel by biomass granulation machine;
(2) feed intake: biological substance shaped granule fuel good for pre-treatment is dropped in charing body of heater from charring furnace its top feed mouth, be filled in interchanger gap under self gravitation effect, add catalyzer from catalyst inlet charring furnace again and enter catalyzer thrust-augmenting nozzle, catalyzer flows out from the aperture thrust-augmenting nozzle and fully mixes with biological substance shaped granule;
(3) thermal transition: logical heating carrier enters in the chuck of tubular heat exchanger in charring furnace and outside surface, heating carrier transfers heat to biological substance shaped granule by interchanger and chuck, by controlling heating carrier pressure and bed temperature, and then control thermal transition speed, control thermal transition temperature at 200 ~ 800 DEG C, control transformation time between 20 ~ 100min, prepare biomass Organic carbon product.
The present invention also can have further optimal technical scheme:
Further preferably, described biological substance shaped granule fuel density is 0.8 ~ 2.5g/cm
3, fuel moisture≤12%, fuel ash≤10%, fuel combustion net calorific value>=10.0 MJ/kg.
Further preferably, described heating carrier can be warm air, high-temperature flue gas, thermal oil or high-temperature steam.
Further preferably, the described catalyzer added can be acrylic acid modified resin, polyvinyl alcohol and 1-Methoxy-2-propyl acetate, sylvite, calcium salt, transition metal salt, metal oxide, water vapour, molecular sieve catalyst or acid ion, poly carboxylic acid, obtains charcoal rate for improving biological substance shaped granule.
Further preferably, described metal oxide is Al
2o
3, MgO or SiO
2.
Further preferably, described molecular sieve catalyst is Y type, β type or type ZSM 5 molecular sieve.
The invention has the beneficial effects as follows:
(1) simple, efficient, the easily-controlled operation of the present invention, passes into heating carrier in interchanger, can effectively control invert point and time.According to the imperial equation of gaseous state formula of carat uncle, by controlling heating carrier pressure and bed temperature, and then control thermal transition speed, make biological substance shaped granule inner macromolecule chain fully can rupture-meet again-separate out; By controlling invert point at 200 ~ 800 DEG C, controlling transformation time between 20 ~ 100min, making biological substance shaped granule fully be converted into Organic carbon, improve the utility value of biomass energy.
(2) in reaction process, add the catalyzer such as acrylic acid modified resin, polyvinyl alcohol and 1-Methoxy-2-propyl acetate, sylvite, calcium salt, transition metal salt, metal oxide, molecular sieve catalyst or acid ion, water vapour, poly carboxylic acid, for improve biological substance shaped granule charcoal rate.
(3) the biomass Organic carbon product performance prepared by method of the present invention are excellent, and performance index can reach: density 0.70 ~ 0.85g/cm
3, moisture≤8%, ash content≤10%, burning net calorific value is at 4000 ~ 6000kcal/kg.
Accompanying drawing explanation
Fig. 1 is autoclave charring furnace apparatus structure schematic diagram of the present invention.
In figure: 1 is opening for feed, 2 is catalyst inlet, and 3 is catalyzer thrust-augmenting nozzle, and 4 is interchanger, and 5,6 is heating carrier import, and 7,8 is heating carrier outlet, and 9 is chuck, and 10 is discharge port.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiments and the drawings, set forth the present invention further, but following embodiment being only the preferred embodiments of the present invention, and not all.Based on the embodiment in embodiment, those skilled in the art under the prerequisite not making creative work obtain other embodiment, all belong to protection scope of the present invention.
A kind of biomass Organic carbon preparation method of the present invention can adopt Fig. 1 shown device to realize.
A kind of biomass Organic carbon preparation method, the method is have employed inside to have the autoclave charring furnace thermal transition method that interchanger 4 and catalyzer thrust-augmenting nozzle 3 and outside surface are provided with chuck 9, specifically comprises the steps:
(1) pre-treatment: after fully being pulverized by biomass material, is pressed into biological substance shaped granule fuel by biomass granulation machine;
(2) feed intake: biological substance shaped granule fuel good for pre-treatment is dropped in charing body of heater from charring furnace its top feed mouth 1, be filled in interchanger 4 gap under self gravitation effect, add catalyzer from catalyst inlet charring furnace 2 again and enter catalyzer thrust-augmenting nozzle 3, catalyzer flows out from the aperture thrust-augmenting nozzle 3 and fully mixes with biological substance shaped granule;
(3) thermal transition: enter respectively the chuck 9 of charring furnace outside surface with in the interchanger 4 in charring furnace from the logical heating carrier of heating carrier import 5 and 6, heating carrier transfers heat to biological substance shaped granule by interchanger 4 and chuck 9, by controlling heating carrier pressure and bed temperature, and then control thermal transition temperature is 200 ~ 800 DEG C, control transformation time between 20 ~ 100min, conversion completes post-heating carrier and flows out from heating carrier outlet 7 and 8, and the Organic carbon after charing exports from charring furnace bottom discharge mouth 10.
The present invention is simple, efficient, easily-controlled operation, effectively can control conversion rate, making volatile matter in biological substance shaped granule fully separate out and to be fully converted into Organic carbon, improving the utility value of biomass energy by controlling heating carrier pressure and temperature; In reaction process, add catalyzer, for improve biological substance shaped granule charcoal rate; And by adding catalyzer, achieve the clean preparation of biomass Organic carbon, that improves biomass Organic carbon obtains charcoal rate; The biomass Organic carbon product performance prepared by the present invention are excellent, and performance index can reach: density 0.70 ~ 0.85g/cm
3, moisture≤8%, ash content≤10%, burning net calorific value is at 4000 ~ 6000kcal/kg.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets is only preference of the present invention; be not used for limiting the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. a biomass Organic carbon preparation method, is characterized in that the method is have employed inside to have the autoclave charring furnace thermal transition method that interchanger and catalyzer thrust-augmenting nozzle and outside surface are provided with chuck, specifically comprises the steps:
(1) pre-treatment: after fully being pulverized by biomass material, is pressed into biological substance shaped granule fuel by biomass granulation machine;
(2) feed intake: biological substance shaped granule fuel is dropped in charing body of heater from charring furnace its top feed mouth, be filled in interchanger gap under self gravitation effect, add catalyzer from catalyst inlet charring furnace again and enter catalyzer thrust-augmenting nozzle, catalyzer flows out from the aperture thrust-augmenting nozzle and fully mixes with biological substance shaped granule;
(3) thermal transition: logical heating carrier enters in the chuck of tubular heat exchanger in charring furnace and outside surface, heating carrier transfers heat to biological substance shaped granule by interchanger and chuck, by controlling heating carrier pressure and controlling bed temperature, and then control thermal transition speed, controlling thermal transition temperature is 200 ~ 800 DEG C, control transformation time between 20 ~ 100min, prepare biomass Organic carbon product.
2. a kind of biomass Organic carbon preparation method according to claim 1, is characterized in that: described biological substance shaped granule fuel density is 0.8 ~ 2.5g/cm
3, fuel moisture≤12%, fuel ash≤10%, fuel combustion net calorific value>=10.0 MJ/kg.
3. a kind of biomass Organic carbon preparation method according to claim 1, is characterized in that: described heating carrier can be warm air, high-temperature flue gas or high-temperature steam.
4. a kind of biomass Organic carbon preparation method according to claim 1, it is characterized in that: described in the catalyzer that adds can be acrylic acid modified resin, polyvinyl alcohol and 1-Methoxy-2-propyl acetate, sylvite, calcium salt, transition metal salt, metal oxide, molecular sieve catalyst or acid ion, water vapour, poly carboxylic acid, obtain charcoal rate for improving biological substance shaped granule.
5. a kind of biomass Organic carbon preparation method according to claim 4, is characterized in that: described metal oxide is Al
2o
3, MgO or SiO
2.
6. a kind of biomass Organic carbon preparation method according to claim 4, is characterized in that: described molecular sieve catalyst is Y type, β type or type ZSM 5 molecular sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233948.6A CN104910934A (en) | 2015-05-08 | 2015-05-08 | Biomass organic charcoal preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233948.6A CN104910934A (en) | 2015-05-08 | 2015-05-08 | Biomass organic charcoal preparation method |
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| CN104910934A true CN104910934A (en) | 2015-09-16 |
Family
ID=54080386
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510233948.6A Withdrawn CN104910934A (en) | 2015-05-08 | 2015-05-08 | Biomass organic charcoal preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105368470A (en) * | 2015-10-21 | 2016-03-02 | 邢献军 | Preparation method of biomass organic carbon |
| CN108865196A (en) * | 2018-06-30 | 2018-11-23 | 邢献军 | A kind of charcoal preparation method |
-
2015
- 2015-05-08 CN CN201510233948.6A patent/CN104910934A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105368470A (en) * | 2015-10-21 | 2016-03-02 | 邢献军 | Preparation method of biomass organic carbon |
| CN108865196A (en) * | 2018-06-30 | 2018-11-23 | 邢献军 | A kind of charcoal preparation method |
| WO2020000887A1 (en) * | 2018-06-30 | 2020-01-02 | 邢献军 | Method for preparing biochar |
| GB2588311A (en) * | 2018-06-30 | 2021-04-21 | Xing Xiangjun | Method for preparing biochar |
| US11359153B2 (en) | 2018-06-30 | 2022-06-14 | Xianjun XING | Method for preparing biochar |
| GB2588311B (en) * | 2018-06-30 | 2023-03-01 | Xing Xiangjun | Method for preparing biochar |
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Application publication date: 20150916 |