CN106433844A - Process for dehydrating and carbonizing biomass pellet fuel - Google Patents
Process for dehydrating and carbonizing biomass pellet fuel Download PDFInfo
- Publication number
- CN106433844A CN106433844A CN201611036711.XA CN201611036711A CN106433844A CN 106433844 A CN106433844 A CN 106433844A CN 201611036711 A CN201611036711 A CN 201611036711A CN 106433844 A CN106433844 A CN 106433844A
- Authority
- CN
- China
- Prior art keywords
- raw material
- granule fuel
- biomass granule
- fuel raw
- biomass
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/447—Carbonized vegetable substances, e.g. charcoal, or produced by hydrothermal carbonization of biomass
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/08—Drying or removing water
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a process for dehydrating and carbonizing biomass pellet fuel. The process comprises the following steps: (1) selecting and cleaning a biomass fuel raw material, and performing air-drying treatment to control the moisture content of the material to be 15-20 percent; (2) mechanically cutting the air-dried biomass pellet fuel raw material; (3) introducing steam into the biomass pellet fuel in a heat-exchange kettle jacket through a steam inlet to sufficiently exchange heat between the biomass pellet fuel raw material and the steam; (4) uninterruptedly vacuumizing through a vacuum pump interface of the heat-exchange kettle after steam is introduced; (5) drying the biomass pellet fuel, and discharging from the material outlet of the heat-exchange kettle; and (6) treating the discharged biomass pellet fuel raw material in a carbonizer, controlling the temperature of the carbonizer in a range of 300-500 DEG C by adjusting an external heat source, performing a carbonization reaction on the biomass pellet fuel raw material under a continuous stirring and propelling state, and finally generating high-energy density biomass pellets.
Description
Technical field
The present invention relates to biomass granule fuel preparation field is and in particular at a kind of biomass granule fuel dehydration carbonization
Science and engineering skill.
Background technology
China is a populous nation, is the country that an economy develops rapidly again, and 21 century will be faced with economic growth
Dual-pressure with environmental protection.Therefore change production of energy and consumption pattern, develop biomass energy etc. reproducible clear
Clean energy resources, to setting up continuable energy resource system, are promoted national economic development and environmental protection are significant.
Develop biomass energy and Special Significance had more to Chinese countryside, Chinese 80% population lives in rural area, stalk and
The biomass energies such as fuel wood are the main life fuels in rural area；Although the use in rural area for the commercial energys such as coal increases sharply,
Biomass energy still occupies critical role.With 3.65 hundred million tons of total amount marking coals, wherein stalk and fuel wood is life in the countryside in 1998
2.07 hundred million tons of mark coals, account for 56.7%.Therefore Bio-energy Development technology, provides life and producting energy for rural area, is side
These areas are helped to shake off poverty and set out on the road to prosperity, achieve the goal of ensuring our people a relatively comfortable life a vital task.
At present in the more drying means of water-containing materials of application, adopt hot air circulation drying means more, but effect is not very
Preferable., under this drying means, easily uneven drying in biomass molding fuel, easily expands, and efficiency is low, drying time
Long.
Content of the invention
The present invention is intended to provide a kind of biomass granule fuel dehydration carbonization handling process.
The present invention provides following technical scheme：
A kind of biomass granule fuel dehydration carbonization handling process, comprises the following steps：
(1) first biomass fuel raw material is selected and cleared up, remove the waste material impurity not meeting production requirement, will accord with
The biomass granule fuel raw material closing production requirement carries out air-drying process, removes the external moisture content in material, makes the aqueous of material
Rate controls in 15-20%；
(2) mechanical chopping process is carried out to the biomass granule fuel raw material after above-mentioned air-drying, make biomass granule fuel
The size controlling of feed particles is in the range of 50-80mm；
(3) charging aperture passing through on heat exchange kettle loads a certain amount of biomass granule fuel raw material in heat exchange kettle body,
Install in the heat exchange kettle chuck of biomass granule fuel, steam is passed through by steam inlet so that biomass granule fuel raw material with
Abundant heat exchange between steam；
(4) vacuumized by the vacuum pump interface of heat exchange kettle incessantly after being passed through steam, reduced the vaporization of material
Heat, the steam of extraction is gone out from the steam (vapor) outlet of heat exchange kettle, controls the baking temperature in heat exchange kettle body between 180～200 DEG C；
(5) after the completion of being dried, biomass granule fuel raw material is drawn off from the material outlet of heat exchange kettle；
(6) the above-mentioned biomass granule fuel raw material drawing off is sent in asher and process, controlled by adjusting external heat source
The temperature of asher, in 300-500 DEG C of scope, in the state of continuously stirring propulsion, makes biomass granule fuel raw material occur
Carbonization reaction, ultimately generates the biological particles of high-energy-density.
The stirring propulsion time of staying during biomass granule fuel raw material is in asher in described step (6) is 3-
5min.
The stirring propulsion reaction time during biomass granule fuel raw material is in asher in described step (6) is 5-
8min.
In described step (6), the air pressure of asher controls in the range of 3-5MPa.
Compared with prior art, the invention has the beneficial effects as follows：The present invention adopts vacuum type heat exchange, vacuumizes and quickly takes out
Go out the steam of vaporization, and around biomass granule fuel raw material formed negative pressure state, biomass granule fuel raw material inside and outside
Form larger moist gradient between layer and between surface and surrounding medium, accelerate vaporization rate, reach quick-drying mesh
, such that it is able to high-efficiency dehydration, there is good economic benefit, require relatively low in technique, cost is relatively low, the rate of heat addition is more simultaneously
Hurry up, evenly, heat drying efficiency is higher.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all
Belong to the scope of protection of the invention.
A kind of embodiment biomass granule fuel dehydration carbonization handling process, comprises the following steps：
(1) first biomass fuel raw material is selected and cleared up, remove the waste material impurity not meeting production requirement, will accord with
The biomass granule fuel raw material closing production requirement carries out air-drying process, removes the external moisture content in material, makes the aqueous of material
Rate controls in 15-20%；
(2) mechanical chopping process is carried out to the biomass granule fuel raw material after above-mentioned air-drying, make biomass granule fuel
The size controlling of feed particles is in the range of 50-80mm；
(3) charging aperture passing through on heat exchange kettle loads a certain amount of biomass granule fuel raw material in heat exchange kettle body,
Install in the heat exchange kettle chuck of biomass granule fuel, steam is passed through by steam inlet so that biomass granule fuel raw material with
Abundant heat exchange between steam；
(4) vacuumized by the vacuum pump interface of heat exchange kettle incessantly after being passed through steam, reduced the vaporization of material
Heat, the steam of extraction is gone out from the steam (vapor) outlet of heat exchange kettle, controls the baking temperature in heat exchange kettle body between 180～200 DEG C；
(5) after the completion of being dried, biomass granule fuel raw material is drawn off from the material outlet of heat exchange kettle；
(6) the above-mentioned biomass granule fuel raw material drawing off is sent in asher and process, controlled by adjusting external heat source
The temperature of asher, in 300-500 DEG C of scope, in the state of continuously stirring propulsion, makes biomass granule fuel raw material occur
Carbonization reaction, ultimately generates the biological particles of high-energy-density.
The stirring propulsion time of staying during biomass granule fuel raw material is in asher in described step (6) is 3-
5min.
The stirring propulsion reaction time during biomass granule fuel raw material is in asher in described step (6) is 5-
8min.
In described step (6), the air pressure of asher controls in the range of 3-5MPa.
It is obvious to a person skilled in the art that the invention is not restricted to the details of described one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described explanation limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each
Embodiment only comprises an independent technical scheme, this narrating mode of specification only for clarity, this area
Technical staff should be using specification as an entirety, and the technical scheme in each embodiment can also form this through appropriately combined
Skilled person may be appreciated other embodiment.
Claims (4)
1. a kind of biomass granule fuel dehydration carbonization handling process is it is characterised in that comprise the following steps：
(1) first biomass fuel raw material is selected and cleared up, remove the waste material impurity not meeting production requirement, life will be met
Produce the biomass granule fuel raw material requiring to carry out air-drying process, remove the external moisture content in material, make the moisture content control of material
System is in 15-20%；
(2) mechanical chopping process is carried out to the biomass granule fuel raw material after above-mentioned air-drying, make biomass granule fuel raw material
The size controlling of particle is in the range of 50-80mm；
(3) charging aperture passing through on heat exchange kettle loads a certain amount of biomass granule fuel raw material in heat exchange kettle body, is installing
In the heat exchange kettle chuck of biomass granule fuel, steam is passed through by steam inlet so that biomass granule fuel raw material and steam
Between fully heat exchange；
(4) vacuumized by the vacuum pump interface of heat exchange kettle incessantly after being passed through steam, reduce the heat of vaporization of material, take out
The steam going out is gone out from the steam (vapor) outlet of heat exchange kettle, controls the baking temperature in heat exchange kettle body between 180～200 DEG C；
(5) after the completion of being dried, biomass granule fuel raw material is drawn off from the material outlet of heat exchange kettle；
(6) the above-mentioned biomass granule fuel raw material drawing off is sent in asher and process, control charing by adjusting external heat source
The temperature of device, in 300-500 DEG C of scope, in the state of continuously stirring propulsion, makes biomass granule fuel raw material carbonize
Reaction, ultimately generates the biological particles of high-energy-density.
2. a kind of biomass granule fuel dehydration carbonization handling process according to claim 1 is it is characterised in that described institute
The stirring propulsion time of staying stated during biomass granule fuel raw material is in asher in step (6) is 3-5min.
3. a kind of biomass granule fuel dehydration carbonization handling process according to claim 1 it is characterised in that：Described step
Suddenly the stirring propulsion reaction time during biomass granule fuel raw material is in asher in (6) is 5-8min.
4. a kind of biomass granule fuel dehydration carbonization handling process according to claim 1 it is characterised in that：Described step
Suddenly in (6), the air pressure of asher controls in the range of 3-5MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036711.XA CN106433844A (en) | 2016-11-23 | 2016-11-23 | Process for dehydrating and carbonizing biomass pellet fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036711.XA CN106433844A (en) | 2016-11-23 | 2016-11-23 | Process for dehydrating and carbonizing biomass pellet fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106433844A true CN106433844A (en) | 2017-02-22 |
Family
ID=58221191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611036711.XA Pending CN106433844A (en) | 2016-11-23 | 2016-11-23 | Process for dehydrating and carbonizing biomass pellet fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106433844A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109022094A (en) * | 2018-10-20 | 2018-12-18 | 全椒三丰生物质能源有限公司 | A kind of biomass fuel pellet and production technology |
| CN110387277A (en) * | 2019-07-18 | 2019-10-29 | 界首市神枫新能源科技有限公司 | A kind of formula and preparation process of high biomass burning particle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498062A (en) * | 2014-09-01 | 2015-04-08 | 湖南启天环保科技有限公司 | Vacuum pyrolysis technology |
-
2016
- 2016-11-23 CN CN201611036711.XA patent/CN106433844A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498062A (en) * | 2014-09-01 | 2015-04-08 | 湖南启天环保科技有限公司 | Vacuum pyrolysis technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109022094A (en) * | 2018-10-20 | 2018-12-18 | 全椒三丰生物质能源有限公司 | A kind of biomass fuel pellet and production technology |
| CN110387277A (en) * | 2019-07-18 | 2019-10-29 | 界首市神枫新能源科技有限公司 | A kind of formula and preparation process of high biomass burning particle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |