CN201512521U - Biomass shaping fuel preparation system - Google Patents

Biomass shaping fuel preparation system Download PDF

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Publication number
CN201512521U
CN201512521U CN2009200571623U CN200920057162U CN201512521U CN 201512521 U CN201512521 U CN 201512521U CN 2009200571623 U CN2009200571623 U CN 2009200571623U CN 200920057162 U CN200920057162 U CN 200920057162U CN 201512521 U CN201512521 U CN 201512521U
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CN
China
Prior art keywords
biomass
molding fuel
preparation system
fuel preparation
biomass molding
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Expired - Lifetime
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CN2009200571623U
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Chinese (zh)
Inventor
常厚春
马革
李祖芹
钱艳斌
曾剑飞
张衍胜
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Guangzhou Devotion Thermal Technology Co Ltd
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Guangzhou Devotion Thermal Technology Co Ltd
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Priority to CN2009200571623U priority Critical patent/CN201512521U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

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Abstract

The utility model discloses a biomass shaping fuel preparation system which comprises a material receiving system for obtaining biomass material particles, a drying system for selectively drying biomass material particles, and a cubing system for cubing and shaping biomass material particles, and further comprises a biomass energy mixing system which supplies fuel additive in biomass material particles according to selected preparation direction for burdening and mixing before cubing shaping treatment, and a packaging system for packaging biomass shaping fuel particles of a self-made particle system. The biomass shaping fuel obtained by the preparation system is high-quality fuel suitable for industrial boilers, and can be directly burned in various BMF boilers.

Description

The biomass molding fuel preparation system
Technical field
The utility model relates to the biomass fuel preparation system, relates in particular to the system that preparation biomass molding fuel (Biomass Pellet or Biomass Moulding Fuel is called for short " BMF ") is adopted.
Background technology
Biomass fuel (such as agriculture and forestry organic waste material, as stalk, sawdust, bagasse, rice chaff etc.) is a green energy resource, is the fuel that national policy is encouraged, and has following a few dot characteristics: 1. can realize greenhouse gases CO 2Ecological " zero " discharging: the energy of BMF comes from it when growing to nature CO 2Absorption, therefore, BMF has CO 2The characteristics of ecological " zero " discharging.2. typical low-carbon (LC) green energy resource: the burning of low-carbon (LC) energy BMF is based on fugitive constituent, and the content of its fixed carbon is about 15%, is typical low-carbon (LC) fuel; Sulphur content is also lower than diesel oil, only is 0.05%, desulfurizer need be set just can realize SO 2Discharging; Ash is 1.8% only, is about 1/10 of coal derived fuel, simple cleaning apparatus is set just can realizes that dust discharge is up to standard; The BMF nitrogen content is low, and the oxygen level height generates less NO during burning X3. typical recycling economy project: BMF derives from agriculture and forestry organic waste material, and feed distribution is extensively various, and content is big, and cost is low, and cycling deposition is inexhaustible, is typical recycling economy project.
Present minimizing owing to Nonrenewable energy resources, the reinforcement day by day of conservation of nature ecotope consciousness, China also more and more payes attention to the utilization of reproducible biomass energy.But present molding device is generally fairly simple, because the dead angle is bigger, causes that useless energy consumption is big, and the profiled part wearing and tearing are very fast, and production efficiency is low.Be prone to running roller and moulding hole plug phenomenon in the work.And because wetness of fuel is bigger, do not contain cakingagent, easily hygroscopic deformation is unfavorable for prolonged preservation, transportation and use.Because shaper is higher to the granularity and the water content requirement of raw material, and the moulding equipment automatization is low, pulverize, dry, charging and packaging facilities do not form supporting production line, and raw material does not often reach production requirement during work.
A kind of biomass fuel that is disclosed for No. 200710063736.3 as Chinese patent application and its production and application, its organic matter fuel that provides is mainly made by the raw material that comprises tackiness agent and organic waste material or ore fuel, wherein high temperature steaming carries out disinfection tackiness agent by swill being removed behind the non-edible refuse again, remove degrease and bone, fishbone etc. then, remaining swill slag material making beating is prepared.
A kind of method of utilizing agricultural wastes to prepare shaped fuel of being disclosed for No. 200810054563.3 of Chinese patent application and for example, its technical scheme is: it is a raw material with agricultural wastes such as stalk, sawdust, wood chip, rice hulls, bagasse and papermaking wastewater, drying, pulverize, be mixed, step such as moulding prepares shaped fuel.It is the feedstock production biomass fuel with agricultural wastes and these two kinds of refuses of papermaking wastewater, has both saved raw materials cost, has alleviated disposal of pollutants again.Utilize in the papermaking wastewater adhesive effect of some materials to make agglomeration need not heating, thereby do not have and add thermal losses, also alleviated the equipment wearing that causes by heating and the heat energy loss of raw material simultaneously.In addition, contain 3~5% alkaline matter in the papermaking wastewater, combustion activity is strengthened.
But from the disclosed content of above-mentioned prior art, preparation method who provides at present and equipment are unfavorable for producing in enormous quantities a kind of biomass molding fuel of being convenient to prolonged preservation, transportation and use.In addition, above-mentioned prior art is not considered problems such as the profiled part wearing and tearing are very fast, production efficiency is low yet.
Therefore, be badly in need of providing a kind of production technique and equipment of the environment friendly biological matter shaped fuel (BMF) that reduces equipment loss, reduces cost, raises the efficiency.
Summary of the invention
Technical problem to be solved in the utility model provides can produce a kind of biomass molding fuel preparation system of being convenient to the biomass molding fuel of prolonged preservation, transportation and use expeditiously in enormous quantities.
For realizing goal of the invention of the present utility model, the utility model provides a kind of biomass molding fuel preparation system, it comprises: the raw material receiving system that is used to obtain biomass raw material particle, be used for the granulation system that selectivity is dried the drying system of processing and is used for biomass raw material particle is carried out pelletizing forming biomass raw material particle, and further comprise according to selected prescription and in biomass raw material particle, provide fuel dope, and be used for the packaging system of packing to from the biomass molding fuel particle of granulation system so that before pelletizing forming is handled, prepare burden and the batch mixing system of combination treatment.
Biomass molding fuel preparation system of the present utility model can comprise can provide man-machine interaction interface so that raw material receiving system, drying system, batch mixing system and granulation system are carried out the processing unit of semi-automatic/automatic control.Processing unit is such as being PC, microcomputer, server or remote control terminal or the like.
In biomass molding fuel preparation system of the present utility model, processing unit can comprise the storing device that is used to store at least a selective prescription.
In biomass molding fuel preparation system of the present utility model, the raw material receiving system can comprise the pulverizer that is used to pulverize agriculture and forestry organic waste material, wherein, and pulverizer toe linear velocity>88m/s, hammer sieve gap<12mm.
In biomass molding fuel preparation system of the present utility model, may further include the device that after pelletizing forming is handled, the shaped fuel particle is sieved.
In biomass molding fuel preparation system of the present utility model, can be provided with at least one pipe magnetic separator in the biomass molding fuel preparation system and be used to adsorb iron contamination.
In biomass molding fuel preparation system of the present utility model, drying system can comprise and is used for drum-type drying stove that water ratio is dried at the agriculture and forestry organic waste material more than 18%, the length of stoving oven is at 10~16 meters, rotating speed is at 9~13 rev/mins, stoving oven charging place temperature 350~430 degree, discharging place temperature 65~90 degree.
In biomass molding fuel preparation system of the present utility model, batch mixing system can comprise the mixing machine that mixing time and mixture homogeneity can be controlled automatically by processing unit.
Alternatively, batch mixing system can comprise big burden balance, little burden balance and small powder interpolation place.
Alternatively, the granulation system comprises so nodulizer, wherein; the speed of the ring mould that nodulizer adopts is at 3~9 meter per seconds; the external diameter of the pressure roller that nodulizer adopts is 0.3~0.475 with the internal diameter ratio of ring mould, and ring mould percentage of open area can be 25~50%, is preferably 25~35%.
Wherein, biomass material can be for comprising the agriculture and forestry organic waste material of straw, sawdust, bagasse and/or rice chaff.
Wherein, fuel dope can comprise grease with lubricated and combustion-supporting effect, be used to reduce NO XThe sulphur-fixing agent of discharging, the solid oxidizing agent that helps the incendiary ignition dope and help the stable burning operating mode.Grease can be selected an amount of coal tar, vegetables oil, biomass liquefying wet goods for use.The grease that adds heat can be convenient to and the mixing of raw material, and improves material temperature, makes raw material soften easier moulding, and grease itself also has lubrication; After the particle cooling, play the effect of binding agent, enhanced granule intensity, and can strengthen particulate water-repellancy in storage and transport process; When particle burning, grease plays the effect of ignition dope.Sulphur-fixing agent can be selected an amount of unslaked lime, lime carbonate etc. for use.Ignition dope can be selected an amount of magnesite soil, magnesium nitrate, magnesium oxide, ferric oxide etc. for use.Solid oxidizing agent can be selected an amount of potassium permanganate, Potcrate etc. for use, and the adding of oxygenant can make burning more abundant, effectively utilizes biomass energy, reduces smoke contamination and fuel cost.
The agriculture and forestry organic waste material (as stalk, sawdust, bagasse, rice chaff etc.) that the utility model utilization is collected, the material that at first will need to pulverize makes it reach processing requirement by pulverizing, then raw material is carried out drying, the referred batch bin of dried material, according to production formula various raw materials are prepared in proportion, mix then, granulate again, cool off, sieve, at last finished particle is irritated bag or go into bulk bin.
The utility model adopts central integrated control system, and control center is positioned at Central Control Room.Every equipment is equipped with accident warning device, and in the erecting stage maintenance safety switch is arranged.
Various parameter those skilled in the art that the utility model relates to can select to use in reasonable range.
The beneficial effects of the utility model are:
Biomass molding fuel is according to China's energy hydrocarbon resources reserves particularly, deliverability, world market oil supply situation, price and development trend, country's new forms of energy policy, the environmental protection Situation ﹠ Policy, with agriculture and forestry organic waste material (as stalk, bagasse, rice chaff, bark, branch, sawdust etc.) as starting material, by adding efficient additive, through pulverizing, extruding, technologies such as oven dry, be pressed into various moulding (as particulate state through shaping equipment, bar-shaped etc.), its energy density is wanted about big ten times before the processing, be convenient to storing, the cigarette ash of burning back discharging and SO2 are far below coal, fossil energies such as oil, be a kind of higher-grade fuel that Industrial Boiler uses that is suitable for, can be at the novel clean fuel of the direct incendiary of various BMF boilers.
Below in conjunction with drawings and Examples; further specify the utility model; but the utility model is not limited to these embodiment, any on the utility model essence spirit improvement or substitute, still belong to scope required for protection in the utility model claims.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model biomass molding fuel preparation system.
Embodiment
Embodiment 1
Followingly biomass molding fuel preparation system of the present utility model and processing step are described with reference to Fig. 1.
The raw material receiving system
After the agriculture and forestry organic waste material of granularity<3mm (such as about 2mm) is transported to factory, do not need to pulverize, the field personnel sends a signal to Central Control Room, middle control person begins to start the raw material receiving system, drop into by dog-house 5 places, and determine the storehouse that enters number to go into oven dry storehouse 601, oven dry storehouse 602 by divider 12 according to the demonstration of oven dry storehouse level detector; And by back extremely preceding receiving sieve 10 removal of impurity of opening successively, lift 8, scraper plate 5, conveying are through pipe magnetic separator 11 absorption iron contaminations.Hoist installation has speed measuring device, and the stall alert device is installed in the Central Control Room system.
The raw materials different to water ratio adopt different processing:
A, moisture content need directly oven dry at the agriculture and forestry organic waste material more than 18%, enter to dry storehouse 601 and oven dry storehouse 602.
If it is full then be assigned to conveying belt 1 that the storehouse is not temporarily dried or dried to B, put into vertical silo 501, vertical silo 502 is deposited.The material of vertical silo can come into operation by scraper plate 3 outputs.Be provided with pulse dust collector 39 in receiving sieve place, dust can enter batch bin 403 by elephant trunk.
C, moisture content are not lower than when 18% agriculture and forestry organic waste material is not dried and directly enter batch bin 401 by divider 12.
The agriculture and forestry organic waste material of granularity>3mm is pulverized through pulverizer 6, the granularity requirements<3mm after the pulverizing, pulverizer toe linear velocity>88m/s (such as about 100m/s), the granularity requirements<3mm after the pulverizing, hammer sieve gap<12mm (such as about 10mm); Transport through scraper plate machine 7, lift 9 then,, utilize threeway to enter into the oven dry storehouse respectively again by pipe magnetic separator 24.If the agriculture and forestry organic waste material after pulverizing does not need oven dry, can pass through pipe magnetic separator 25, enter batch bin by divider 18.
Drying system
The material in oven dry storehouse 601,602 li in storehouse of oven dry enters dryer 16 by variable-frequency feeding auger 13 dries, and adjusts the feeding frequency of auger 13 according to the moisture content of real-time detection.Stoving oven requires length at 10~16 meters (such as about 12 meters), rotating speed is at 10~13r/min (such as about 12r/min), stoving oven charging place temperature 350~430 degree (such as about 400 degree), discharging place temperature 65~90 degree (such as about 70 degree), the moisture content after the oven dry is between 8%~16% (such as about 12%).In addition, the material of powder after oven dry of blower fan 14 absorption carried through lift 15.
Different in kind according to material carries out following different processing:
A, for the material of not prepared burden, utilize divider 17 to advance batch bin 401, batch bin 402, batch bin 403 respectively, granulate again according to formula rate batching.
B, for the material of batching once, such as the underproof shaped fuel particle that filters out, do not need batching directly to be transported to granulation storehouse 301 and directly to granulate through scraper plate machine 39.
If C oven dry back material moisture content does not reach requirement, can turn back to oven dry storehouse 602 (seeing A place among Fig. 1) again through divider 17.
Batch mixing system
The utility model adopts central authorities' control, and frequency conversion feeding auger is all adopted in the batch bin discharging, and for example, every batch of material can be set at 2 tons, and it can comprise that big burden balance 19, little burden balance 20 and small powder add 21.
Various materials are prepared by selected a kind of prescription, added efficient additive (fuel dope), dedusting fan is installed simultaneously in small powder interpolation place 21.Batching finishes blowing to mixing machine 22, set mixing time according to different material and prescription, such as, mixing time can be controlled at 45~90s (such as about 70 seconds), mixture homogeneity requires cv<11% (such as about 8%), after mixing finishes, carries and promotes through discharging auger 27, lift 23, through entering granulation storehouse 301 after the pipe magnetic separator iron impurity, prepare pelletizing forming.
Central control person is behind a kind of selected prescription of input on the microcomputer, and the some batching starts, the unlatching of batching program, and practicable continuous automatic blending, middle control person only need monitor and get final product.The batching back scale door that finishes can be opened blowing automatically to mixing machine, and blowing finishes after the scale door shuts, and mixing time picks up counting, and above simultaneously preparation begins next batch, and mixing time reaches the set(ting)value automatic discharging
The granulation system
The granulation system of present embodiment comprises nodulizer 28, cooling tower 29, lift 30, sizing screen 31, auger 32, divider 33 etc.
The particle diameter that obtains is at 5~25mm (such as about 9mm), and particle length is 1-6 times (such as about 3 times) of diameter.The ring mould speed of nodulizer is at 3-9m/s (such as about 5m/s).The pressure roller external diameter is 0.475 with pressing mold internal diameter ratio, comes to determine the pressure roller diameter in view of the above.Cooled temperature is higher than envrionment temperature 5--10 degree and gets final product.Finished granule after the screening contains the powder rate less than 5%.The powder of screening can enter granulation storehouse 301 by elephant trunk.The underproof material in back of wherein granulating can be carried go back to granulation storehouse 301 through auger 32, granulates again.Qualified particle enters into finished bin 201, finished bin 202 by divider 33.
Packaging system
The utility model adopts the fully-automatic packaging system, automatically folder bag, weighing automatically.Need packed particle, utilize packaging scale 34 to pack.
Embodiment 2
As another kind of scheme of the present utility model, other parts are identical with embodiment 1, and difference is:
Qualified biomass raw material particle is indirectly from other place outside the preparation system, such as raw material factory.
For not needing packed particle,, enter into bulk bin 101, bulk bin 102 respectively through lift 35, conveying belt 36 again through divider 33.

Claims (9)

1. biomass molding fuel preparation system, it comprises: the raw material receiving system that is used to obtain biomass raw material particle, be used for the granulation system that selectivity is dried the drying system of processing and is used for biomass raw material particle is carried out pelletizing forming biomass raw material particle, it is characterized in that: described biomass molding fuel preparation system further comprises according to selected prescription provides fuel dope so that prepared burden and the batch mixing system of combination treatment before described pelletizing forming is handled in biomass raw material particle, be used for the packaging system of packing to from the biomass molding fuel particle of described granulation system, and man-machine interaction interface can be provided so that to described raw material receiving system, described drying system, the processing unit that described batch mixing system and described granulation system carry out semi-automatic or automatic control.
2. biomass molding fuel preparation system as claimed in claim 1 is characterized in that, described processing unit comprises the storing device that is used to store at least a selective prescription.
3. biomass molding fuel preparation system as claimed in claim 1 or 2 is characterized in that, described raw material receiving system comprises the pulverizer that is used to pulverize agriculture and forestry organic waste material, wherein, and described pulverizer toe linear velocity>88m/s, hammer sieve gap<12mm.
4. biomass molding fuel preparation system as claimed in claim 1 or 2 is characterized in that, further is included in described pelletizing forming and handles the device that afterwards the shaped fuel particle is sieved.
5. biomass molding fuel preparation system as claimed in claim 1 or 2 is characterized in that, is provided with at least one pipe magnetic separator in the described biomass molding fuel preparation system and is used to adsorb iron contamination.
6. biomass molding fuel preparation system as claimed in claim 1 or 2, it is characterized in that, described drying system comprises and is used for drum-type drying stove that water ratio is dried at the agriculture and forestry organic waste material more than 18%, the length of described stoving oven is at 10~16 meters, rotating speed is at 9~13 rev/mins, stoving oven charging place temperature 350~430 degree, discharging place temperature 65~90 degree.
7. biomass molding fuel preparation system as claimed in claim 1 is characterized in that, described batch mixing system comprises the mixing machine that mixing time and mixture homogeneity can be controlled automatically by described processing unit.
8. biomass molding fuel preparation system as claimed in claim 1 or 2 is characterized in that, described batch mixing system comprises big burden balance, little burden balance and small powder interpolation place.
9. biomass molding fuel preparation system as claimed in claim 1 or 2; it is characterized in that; described granulation system comprises nodulizer; wherein; the speed of the ring mould that described nodulizer adopts is at 3~9 meter per seconds; the external diameter of the pressure roller that described nodulizer adopts is 0.3~0.475 with the internal diameter ratio of described ring mould, and described ring mould percentage of open area is 25~35%.
CN2009200571623U 2009-05-25 2009-05-25 Biomass shaping fuel preparation system Expired - Lifetime CN201512521U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102851096A (en) * 2012-10-17 2013-01-02 济南宝华新能源技术有限公司 Processing method of biomass solid formed fuel
CN103074137A (en) * 2012-11-15 2013-05-01 肥城市宏源环保机械有限公司 Continuous production method of biomass fuel blocks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102851096A (en) * 2012-10-17 2013-01-02 济南宝华新能源技术有限公司 Processing method of biomass solid formed fuel
CN103074137A (en) * 2012-11-15 2013-05-01 肥城市宏源环保机械有限公司 Continuous production method of biomass fuel blocks

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Granted publication date: 20100623