CN109207228A - A kind of biomass granule fuel drying technology - Google Patents
A kind of biomass granule fuel drying technology Download PDFInfo
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- CN109207228A CN109207228A CN201811229774.6A CN201811229774A CN109207228A CN 109207228 A CN109207228 A CN 109207228A CN 201811229774 A CN201811229774 A CN 201811229774A CN 109207228 A CN109207228 A CN 109207228A
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- China
- Prior art keywords
- raw material
- plant ash
- treated
- moisture
- reaction kettle
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Classifications
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- 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
-
- 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 present invention relates to biomass fuel processing technique fields, and in particular to a kind of biomass granule fuel drying technology includes the following steps: to be crushed, level-one drying, screening, secondary drying, three-stage drying, molding, granulation.Raw material is broken for the strip that length is not more than 1cm by step 1 of the present invention, to make in subsequent step, plant ash can sufficiently adsorb the moisture in raw material, the plant ash being mixed into raw material is purged, specific implementation is first by will be mixed into raw material and the dry plant ash of unadsorbed moisture screens out, and in raw material adsorption moisture plant ash due to water suction after volume become larger, it is persisted in the feed, so again by way of selection by winnowing, the wet plant ash of adsorption moisture is purged, it ensure that and no longer adulterate plant ash in raw material, finally pass through three-stage drying method again, slough the moisture in raw material thoroughly, solve the problems, such as that efficiency of combustion is low.
Description
Technical field
The present invention relates to biomass fuel processing technique fields, and in particular to a kind of biomass granule fuel drying and moulding work
Skill.
Background technique
The research and development of bioenergy technology have become one of great heat subject in the world, by countries in the world government with
The concern of scientist.Many countries have all formulated corresponding developmental research plan, such as the green energy resource of the sunlight program of Japan, India
Engineering, the energy farm in the U.S. etc., wherein the development and utilization of bioenergy occupy sizable share.External many bioenergies
Technology and equipment has reached commercial applications degree, compared with other biological mass-energy source technology, biomass granule fuel skill
Art is easier to realize large-scale production and use.It can be equal to energy such as combustion gas, fuel oils using the comfort level of bioenergy particle
Beauty.By taking the states such as the U.S., Sweden and Austria as an example, the application scale of bioenergy accounts for the disposable energy-output ratio of the state respectively
4%, 16% and 10%；In the U.S., the total installation of generating capacity of bioenergy power generation is more than 1MW, and single-machine capacity is up to 10~25MW；
In America and Europe, the biomass granule fuel and matched high-efficiency cleaning burning Heating and cooking stove for general resident's household are very general
And.China also attaches great importance to the development and utilization of bioenergy.Since the 1980s, Chinese Government is always by biomass energy
Source is classified as emphasis key scientific and technological projects using the research and application of technology, has carried out the research of biomass utilization new technology and has opened
Hair, is further improved Biomass Energy Technology.But the research on utilization of Chinese biological mass-energy is concentrated mainly on large and medium-sized livestock and poultry
The projects such as field methane engineering technology, gasifying stalk central gas supply technology and garbage loading embeading generation technology, for biomass energy particle
The production and processing of fuel product and the research that utilizes of directly burning are also at the early-stage.China is energy consumption big country, adjusts the energy
Structure is inevitable choice using biomass energy.After compression forming, volume substantially reduces to be more convenient for transporting biomass
Defeated, storage and use, solve the crucial problem that biomass utilizes on a large scale, therefore the technology and equipment are very suitable for biology
Matter power generation, the clean energy resource transformation of Industrial Boiler, rural novel cooking fuel.
Summary of the invention
It is an object of the invention to overcome problems of the prior art, a kind of biomass granule fuel is provided and is dried to
Type technique, it may be implemented to reduce the humidity in biological particles raw material, improve the calorific value of biological particles.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved by the following technical solutions:
A kind of biomass granule fuel drying technology comprising following steps:
Step 1 is crushed: by the raw material of biological particles by crusher, being broken into the strip that length is not more than 1cm；
Step 2, level-one are dry: by step 1, treated that raw material is placed in reaction kettle, and vegetation is added into reaction kettle
Ash is stirred until homogeneous, and makes the moisture in plant ash absorption raw material；
Step 3, screening: by step 2, treated that raw material screens, and specific steps include:
Step 3.1, by step 2, treated that raw material pours into reciprocating sieve, rejects the plant ash of unadsorbed moisture in raw material,
Wherein the sieve mesh number of reciprocating sieve is 100~120 mesh；
Raw material after rejecting plant ash in above-mentioned steps is placed in winnowing machine by step 3.2, is carried out selection by winnowing, is rejected raw material
The plant ash of middle adsorption moisture；
Step 4, secondary drying: it specifically includes:
Step 4.1, by step 3, treated that raw material is placed in hydrothermal reaction kettle, slough moisture in raw material, metal from
Son；
Step 4.2, by step 4, treated that raw material is placed in vacuum drier dehydrates, and it is dry to adjust vacuum
The parameter of dry machine: 350~380mmHg of vacuum degree；
Step 5, three-stage drying: by step 4, treated that raw material is put into dryer, is dried；
Step 6, molding: by step 5, treated that raw material is put into molding machine, and powder-mixed raw material is made；
Step 7 is granulated: powder-mixed raw material obtained in step 6 being placed in pelletizer and carries out extruding pelletization and makes
Obtain biological particles.
Further, the ratio of plant ash and raw material is not less than 1.5:1 in the step 2.
Further, in the step 4, the parameter of hydrothermal reaction kettle is adjusted are as follows: 197~206 DEG C of temperature.
Further, the plant ash may be replaced by one of casein, calcium carbonate.
Beneficial effects of the present invention: raw material is broken for the strip that length is not more than 1cm by step 1, to make subsequent step
In, plant ash can sufficiently adsorb the moisture in raw material, can be carried out the plant ash being mixed into raw material by step 3 clear
It removes, specific implementation is will to be mixed into raw material and the dry plant ash of unadsorbed moisture screens out by step 3.1 first,
And in raw material adsorption moisture plant ash due to after water suction volume become larger, be persisted in the feed, so being made again by step 3.2
With the mode of selection by winnowing, the wet plant ash of adsorption moisture is purged, ensure that and no longer adulterate plant ash in raw material, finally again
By three-stage drying method, slough the moisture in raw material thoroughly, solve in the prior art, merely by dryer to raw material into
Row dehydration and drying, caused by raw material humidity it is big, efficiency of combustion low problem when biological particles being made to burn.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below will
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
All other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of biomass granule fuel drying technology comprising following steps:
Step 1 is crushed: by the raw material of biological particles by crusher, being broken into the strip that length is not more than 1cm；
Step 2, level-one are dry: by step 1, treated that raw material is placed in reaction kettle, and vegetation is added into reaction kettle
Ash is stirred until homogeneous, and makes the moisture in plant ash absorption raw material；
Step 3, screening: by step 2, treated that raw material screens, and specific steps include:
Step 3.1, by step 2, treated that raw material pours into reciprocating sieve, rejects the plant ash of unadsorbed moisture in raw material,
Wherein the sieve mesh number of reciprocating sieve is 100~120 mesh；
Raw material after rejecting plant ash in above-mentioned steps is placed in winnowing machine by step 3.2, is carried out selection by winnowing, is rejected raw material
The plant ash of middle adsorption moisture；
Step 4, secondary drying: it specifically includes:
Step 4.1, by step 3, treated that raw material is placed in hydrothermal reaction kettle, slough moisture in raw material, metal from
Son；
Step 4.2, by step 4, treated that raw material is placed in vacuum drier dehydrates, and it is dry to adjust vacuum
The parameter of dry machine: 350~380mmHg of vacuum degree；
Step 5, three-stage drying: by step 4, treated that raw material is put into dryer, is dried；
Step 6, molding: by step 5, treated that raw material is put into molding machine, and powder-mixed raw material is made；
Step 7 is granulated: powder-mixed raw material obtained in step 6 being placed in pelletizer and carries out extruding pelletization and makes
Obtain biological particles.
The ratio of plant ash and raw material is not less than 1.5:1 in the step 2.
In the step 4, the parameter of hydrothermal reaction kettle is adjusted are as follows: 197~206 DEG C of temperature.
Embodiment 2
A kind of biomass granule fuel drying technology comprising following steps:
Step 1 is crushed: by the raw material of biological particles by crusher, being broken into the strip that length is not more than 1cm；
Step 2, level-one are dry: by step 1, treated that raw material is placed in reaction kettle, and cheese is added into reaction kettle
Element is stirred until homogeneous, and makes the moisture in casein absorption raw material；
Step 3, screening: by step 2, treated that raw material screens, and specific steps include:
Step 3.1, by step 2, treated that raw material pours into reciprocating sieve, rejects the casein of unadsorbed moisture in raw material,
Wherein the sieve mesh number of reciprocating sieve is 100~120 mesh；
Raw material after rejecting casein in above-mentioned steps is placed in winnowing machine by step 3.2, is carried out selection by winnowing, is rejected raw material
The casein of middle adsorption moisture；
Step 4, secondary drying: it specifically includes:
Step 4.1, by step 3, treated that raw material is placed in hydrothermal reaction kettle, slough moisture in raw material, metal from
Son further, then toluene di-isocyanate(TDI) is added into hydrothermal reaction kettle, and toluene di-isocyanate(TDI) can carry out anti-with water
It answers, so that it is dry to take off the moisture in raw material quickly；
Step 4.2, by step 4, treated that raw material is placed in vacuum drier dehydrates, and it is dry to adjust vacuum
The parameter of dry machine: 350~380mmHg of vacuum degree；
Step 5, three-stage drying: by step 4, treated that raw material is put into dryer, is dried；
Step 6, molding: by step 5, treated that raw material is put into molding machine, and powder-mixed raw material is made；
Step 7 is granulated: powder-mixed raw material obtained in step 6 being placed in pelletizer and carries out extruding pelletization and makes
Obtain biological particles.
The ratio of casein and raw material is not less than 1.5:1 in the step 2.
In the step 4, the parameter of hydrothermal reaction kettle is adjusted are as follows: 197~206 DEG C of temperature.
Embodiment 3
A kind of biomass granule fuel drying technology comprising following steps:
Step 1 is crushed: by the raw material of biological particles by crusher, being broken into the strip that length is not more than 1cm；
Step 2, level-one are dry: by step 1, treated that raw material is placed in reaction kettle, and carbonic acid is added into reaction kettle
Calcium is stirred until homogeneous, and makes the moisture in calcium carbonate absorption raw material；
Step 3, screening: by step 2, treated that raw material screens, and specific steps include:
Step 3.1, by step 2, treated that raw material pours into reciprocating sieve, rejects the calcium carbonate of unadsorbed moisture in raw material,
Wherein the sieve mesh number of reciprocating sieve is 100~120 mesh；
Raw material after rejecting calcium carbonate in above-mentioned steps is placed in winnowing machine by step 3.2, is carried out selection by winnowing, is rejected raw material
The calcium carbonate of middle adsorption moisture；
Step 4, secondary drying: it specifically includes:
Step 4.1, by step 3, treated that raw material is placed in hydrothermal reaction kettle, slough moisture in raw material, metal from
Son；
Step 4.2, by step 4, treated that raw material is placed in vacuum drier dehydrates, and it is dry to adjust vacuum
The parameter of dry machine: 350~380mmHg of vacuum degree；
Step 5, three-stage drying: by step 4, treated that raw material is put into dryer, is dried；
Step 6, molding: by step 5, treated that raw material is put into molding machine, and powder-mixed raw material is made；
Step 7 is granulated: powder-mixed raw material obtained in step 6 being placed in pelletizer and carries out extruding pelletization and makes
Obtain biological particles.
The ratio of calcium carbonate and raw material is not less than 1.5:1 in the step 2.
In the step 4, the parameter of hydrothermal reaction kettle is adjusted are as follows: 197~206 DEG C of temperature.
In order to more intuitively illustrate technical effect of the invention, now to wet in biological particles made from embodiment 1-3
Degree is detected, and wherein comparative example is biological particles made from the prior art, and detection effect is as follows:
The Humidity Detection result of biological particles in embodiment 1: 0.33RH；
The Humidity Detection result of biological particles in embodiment 2: 0.12RH；
The Humidity Detection result of biological particles in embodiment 3: 0.29RH；
The Humidity Detection result of biological particles in comparative example: 0.75RH；
In conclusion the humidity of embodiment 2 is minimum, and drying technology of the invention compared with the prior art have significantly into
Step.Wherein Humidity Detection tool is the 635-2 model humidity measurement instrument of De Tu Testo company production.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (4)
1. a kind of biomass granule fuel drying technology, which is characterized in that it includes the following steps:
Step 1 is crushed: by the raw material of biological particles by crusher, being broken into the strip that length is not more than 1cm；
Step 2, level-one are dry: by step 1, treated that raw material is placed in reaction kettle, and plant ash is added into reaction kettle, stirs
It mixes to uniform, makes the moisture in plant ash absorption raw material；
Step 3, screening: by step 2, treated that raw material screens, and specific steps include:
Step 3.1, by step 2, treated that raw material pours into reciprocating sieve, rejects the plant ash of unadsorbed moisture in raw material, wherein
The sieve mesh number of reciprocating sieve is 100~120 mesh；
Raw material after rejecting plant ash in above-mentioned steps is placed in winnowing machine by step 3.2, is carried out selection by winnowing, is rejected and inhale in raw material
The plant ash of attached water point；
Step 4, secondary drying: it specifically includes:
Step 4.1, by step 3, treated that raw material is placed in hydrothermal reaction kettle, sloughs moisture, metal ion in raw material；
Step 4.2, by step 4, treated that raw material is placed in vacuum drier dehydrates, and adjusts vacuum drier
Parameter: 350~380mmHg of vacuum degree；
Step 5, three-stage drying: by step 4, treated that raw material is put into dryer, is dried；
Step 6, molding: by step 5, treated that raw material is put into molding machine, and powder-mixed raw material is made；
Step 7 is granulated: powder-mixed raw material obtained in step 6 being placed in pelletizer and carries out extruding pelletization and life is made
Material grains.
2. a kind of biomass granule fuel drying technology according to claim 1, which is characterized in that the step 2
The ratio of middle plant ash and raw material is not less than 1.5:1.
3. a kind of biomass granule fuel drying technology according to claim 1, which is characterized in that the step 4
In, the parameter of hydrothermal reaction kettle adjusts are as follows: 197~206 DEG C of temperature.
4. a kind of biomass granule fuel drying technology according to claim 1, which is characterized in that the plant ash
It may be replaced by one of casein, calcium carbonate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811229774.6A CN109207228A (en) | 2018-10-22 | 2018-10-22 | A kind of biomass granule fuel drying technology |
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| CN201811229774.6A CN109207228A (en) | 2018-10-22 | 2018-10-22 | A kind of biomass granule fuel drying technology |
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Application publication date: 20190115 |