CN102604708A - Straw coal - Google Patents

Straw coal Download PDF

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Publication number
CN102604708A
CN102604708A CN2012101084310A CN201210108431A CN102604708A CN 102604708 A CN102604708 A CN 102604708A CN 2012101084310 A CN2012101084310 A CN 2012101084310A CN 201210108431 A CN201210108431 A CN 201210108431A CN 102604708 A CN102604708 A CN 102604708A
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CN
China
Prior art keywords
coal
straw
stalk
sent
shaping machine
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Granted
Application number
CN2012101084310A
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Chinese (zh)
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CN102604708B (en
Inventor
劳振忠
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劳振忠
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Priority to CN201210108431.0A priority Critical patent/CN102604708B/en
Publication of CN102604708A publication Critical patent/CN102604708A/en
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Publication of CN102604708B publication Critical patent/CN102604708B/en
Expired - Fee Related legal-status Critical Current
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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

Abstract

The invention discloses straw coal belonging to the field of energy, and aims to produce straw coal meeting the heat energy requirement in daily civil use by processing corn straw and rice hull. A preparation method of the straw coal comprises the following steps of: crushing the corn straw to 200 meshes by a hammer type crushing machine; mixing the crushed corn straw and rice hull at a ratio of 7:3, and feeding the mixture into the hammer type crushing machine to crush to 200 meshes; feeding the mixture into a drying machine to dry until the water content is less than 8%; feeding the mixture into a straw coal forming machine; crushing the dried material and extruding by a screw propeller blade in the straw coal forming machine, wherein the pressure is higher than 480MPa; and heating to 330 DEG C at a discharge port of the straw coal forming machine, wherein the density of the extruded material reaches 1.2-1.4 tons per cubic meter. The straw coal disclosed by the invention is a novel biomass renewable energy, which is clean and environment-friendly and much cheaper than raw coal and has wide application range. The straw coal has small volume and great specific gravity, and is fire-resistant and convenient to store and transport; and moreover, the straw coal has the same quality as natural coal, considerable market prospect and low cost.

Description

The stalk coal
Technical field
The invention belongs to energy field.
Background technology
According to international renewable energy source microstructure Prediction, the reserves of underground petroleum, Sweet natural gas and coal only enough use about 60 years by present exploitation utilization ratio.Biomass energy is also arisen at the historic moment along with the development of society, and stalk is rural area depleted goods and materials, is easy to obtain, and in stalk, contains great value and is not utilized.Along with global energy shortage, the market requirement of biological renewable energy is with inestimable.
Summary of the invention
The stalk coal that the objective of the invention is to adopt corn straw and rice husk to produce after treatment and reach daily civilian request for utilization heat energy.
Preparing method of the present invention is:
A, at first corn straw is pulverized with tup formula kibbler, reached 200 orders;
B, then crushed corn straws is mixed by 7: 3 with rice husk, send into the tup kibbler again and be crushed to 200 orders;
C, mixture is sent into dryer, dry to water cut below 8%;
D, above-mentioned steps are through accomplishing like lower device:
At first send into corn straw and rice husk in the kibbler according to the above ratio; The material that crushes is sent into the drying materials tube through pipeline again, in drying materials tube inside the heat passage is arranged, and heat energy passage front end communicates with stoving oven; Tail end stretches out dram and connects chimney; And the front end at the drying materials passage is equipped with the heat energy fan, and tail end is equipped with the heat energy suction fan, and the material after the oven dry gets into material bin through material channel; Corresponding material inlet is equipped with the material suction fan on material bin, and material is sent in the stalk briquette shaping machine through outlet;
E, send into the stalk briquette shaping machine, pulverize the good material of oven dry through the inner spiral propeller blade extruding of stalk briquette shaping machine, more than the pressure 480MPa, and go out to be heated to 330 degree at stalk briquette shaping machine discharge port, extruded material density reaches 1.2~1.4 tons/meter 3
The present invention is a kind of novel biomass renewable energy resources, clean environment firendly, and again well below the Costco Wholesale of raw coal, applied range.Its volume is little, than great, anti-burning, be convenient to store and transportation, possess the same quality of raw coal, market outlook are considerable, and are with low cost.
Description of drawings
Fig. 1 is that the present invention pulverizes the complete drying equipment structural representation.
Embodiment
Preparing method of the present invention is:
A, at first corn straw is pulverized with tup formula kibbler, reached 200 orders;
B, then crushed corn straws is mixed by 7: 3 with rice husk, send into the tup kibbler again and be crushed to 200 orders;
C, mixture is sent into dryer, dry to water cut below 8%;
D, above-mentioned steps are through accomplishing like lower device:
At first corn straw and rice husk are sent in the kibbler 2 according to the above ratio; The material that crushes is sent into drying materials tube 7 through pipeline 6 again, in drying materials tube 7 inside heat passage 5 is arranged, and heat energy passage 5 front ends communicate with stoving oven 4; Tail end stretches out dram 7 and connects chimney; And the front end at drying materials passage 7 is equipped with heat energy fan 3, and tail end is equipped with heat energy suction fan 10, and the material after the oven dry gets into material bin 9 through material channel; Corresponding material inlet is equipped with material suction fan 8 on material bin 9, and material is sent in the stalk briquette shaping machine through exporting 11;
E, send into the stalk briquette shaping machine, pulverize the good material of oven dry through the inner spiral propeller blade extruding of stalk briquette shaping machine, more than the pressure 480MPa, and go out to be heated to 330 degree at stalk briquette shaping machine discharge port, extruded material density reaches 1.2~1.4 tons/meter 3
Material after the pulverizing send through in air duct through wind, dry through the spiral and rotary type dryer with coal fire or with the finished product of itself, will dry good material with exhausting formula blower fan and deliver to the stock ground.The moisture of material of oven dry must drop to moisture below 5%, is holding sensation with hand and is pricking the hand, and firmly pinches with regard to broken to well.
Main scrap stock or the finished product stalk coal of origin of heat in production process.
The water cut of materials such as stalk is divided into following several kinds of situation:
One,, material moistures such as stalk again stoving oven is heated after being set at 120 degree with the start-up temperature of dram during in 40%~50% left and right sides, till oven dry has startup.When being lower than 120 dram when spending, oven dry top cylinder discharge port temperature starts once more.Produce so repeatedly.
Two,, material moistures such as stalk again stoving oven is heated after being set at 100 degree with the start-up temperature of dram during in 25%~40% left and right sides, till oven dry has startup.When being lower than 100 dram when spending, oven dry top cylinder discharge port temperature starts once more.Produce so repeatedly.
Three,, material moistures such as stalk again stoving oven is heated after being set at 80 degree with the start-up temperature of dram during in 15%~25% left and right sides, till oven dry has startup.When being lower than 80 dram when spending, oven dry top cylinder discharge port temperature starts once more.Produce so repeatedly.
More than several kinds of drying modes depend on the water cut of starting material itself fully.Through the above mode of production, just can guarantee that the starting material water cut of having dried is controlled at below 8%.
The compound of the stalk of having dried or other raw material turned round near the loader of stalk briquette shaping machine, get final product.
The compressed moulding process:
One, shaper discharge port position is heated, after temperature reaches 330 degree, stop heating.
Two, start, the material that crushes is sent into the loader inlet, in shaper, extrude under the mode of employing screw extrusion, more than the internal pressure 480MPa of forming room, the molecule of material is arranged again, density reaches 1.2~1.4 tons/meter 3
Stalk coal burning-point of the present invention is low, and common carton just can be lighted.Quick heating, flare is higher, and burning is thoroughly.Calorific value is high, is not adding under the situation of any chemicaladditives, and its calorific value all reaches about 4500 kilocalories.Environmental protection, the present invention do not contain any chemical reagent, CO in the smog after the burning 2, CO, SO 2Content considerably less, can reduce atmospheric Greenhouse effect, need not environmental protection treatment, transportation and storage do not produce any dust.Recyclablely utilize, burning back residue ashes contains a large amount of potassium elements, can make potash fertilizer again, realizes returning the soil promotion agricultural produce of resigning from office and returning home.Practical, combustion equipment there is not particular requirement, every stove that can the common coal of incendiary can directly use.Energy-saving and cost-reducing, protection environment, product are the fuel that the waste that utilizes people to produce is processed into, and are utilization of waste material.The starting material source is sufficient, extensive, has not only protected environment, but also for having expanded the space in the human field of seeking new forms of energy.
Following table is an examining report of the present invention: (being made by coal business men quality supervision and inspection station, Jilin Province)
Can find out that by above examining report the stalk coal combustion calorific value that the inventive method obtains is high, and sulfur-bearing is lower.

Claims (1)

1. stalk coal, it is characterized in that: its preparation method is:
A, at first corn straw is pulverized with tup formula kibbler, reached 200 orders;
B, then crushed corn straws is mixed by 7: 3 with rice husk, send into the tup kibbler again and be crushed to 200 orders;
C, mixture is sent into dryer, dry to water cut below 8%;
D, above-mentioned steps are through accomplishing like lower device:
At first corn straw and rice husk are sent in the kibbler (2) according to the above ratio; The material that crushes is sent into drying materials tube (7) through pipeline (6) again; In drying materials tube (7) inside heat passage (5) is arranged; Heat energy passage (5) front end communicates with stoving oven (4), and tail end stretches out dram (7) and connects chimney, and at the front end of drying materials passage (7) heat energy fan (3) is installed; Tail end is equipped with heat energy suction fan (10); Material after the oven dry gets into material bin (9) through material channel, goes up corresponding material inlet at material bin (9) material suction fan (8) is installed, and material is sent in the stalk briquette shaping machine through outlet (11);
E, send into the stalk briquette shaping machine, pulverize the good material of oven dry through the inner spiral propeller blade extruding of stalk briquette shaping machine, more than the pressure 480MPa, and go out to be heated to 330 degree at stalk briquette shaping machine discharge port, extruded material density reaches 1.2~1.4 tons/meter 3
CN201210108431.0A 2012-04-14 2012-04-14 Straw coal Expired - Fee Related CN102604708B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210108431.0A CN102604708B (en) 2012-04-14 2012-04-14 Straw coal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210108431.0A CN102604708B (en) 2012-04-14 2012-04-14 Straw coal

Publications (2)

Publication Number Publication Date
CN102604708A true CN102604708A (en) 2012-07-25
CN102604708B CN102604708B (en) 2016-07-20

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Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104194860A (en) * 2014-09-18 2014-12-10 苏州新协力环保科技有限公司 Novel preparation method for straw coal
CN106281558A (en) * 2016-09-13 2017-01-04 玉溪加宝生物能源有限公司 The processing unit (plant) of biomass granule fuel and method thereof
CN109423350A (en) * 2017-08-26 2019-03-05 长沙创远环保科技有限公司 The preparation method of novel straw coal

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050137A (en) * 2007-05-18 2007-10-10 中国林业科学研究院林业研究所 Synthesizing method and equipment for fabricating light ground substance by using farming and forestry biolobic material
KR20080000503U (en) * 2008-03-25 2008-04-16 이광수 Method of substitute fuel manufacturing and device using mandarin waste
CN101555429A (en) * 2009-05-05 2009-10-14 农业部规划设计研究院 Processing method for biomass solid molding fuel
CN101638601A (en) * 2008-07-30 2010-02-03 万金林 Eternal coal
CN101838571A (en) * 2010-01-25 2010-09-22 长沙北极熊节能环保技术有限公司 Productive technology of tubular biomass fuel and forming machine thereof
CN101899346A (en) * 2009-05-25 2010-12-01 广州迪森热能技术股份有限公司 Biomass moulding fuel preparation method and system thereof
CN102115687A (en) * 2010-05-10 2011-07-06 哈尔滨金石生物质能源发展有限公司 Novel biomass densification-forming pellet fuel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050137A (en) * 2007-05-18 2007-10-10 中国林业科学研究院林业研究所 Synthesizing method and equipment for fabricating light ground substance by using farming and forestry biolobic material
KR20080000503U (en) * 2008-03-25 2008-04-16 이광수 Method of substitute fuel manufacturing and device using mandarin waste
CN101638601A (en) * 2008-07-30 2010-02-03 万金林 Eternal coal
CN101555429A (en) * 2009-05-05 2009-10-14 农业部规划设计研究院 Processing method for biomass solid molding fuel
CN101899346A (en) * 2009-05-25 2010-12-01 广州迪森热能技术股份有限公司 Biomass moulding fuel preparation method and system thereof
CN101838571A (en) * 2010-01-25 2010-09-22 长沙北极熊节能环保技术有限公司 Productive technology of tubular biomass fuel and forming machine thereof
CN102115687A (en) * 2010-05-10 2011-07-06 哈尔滨金石生物质能源发展有限公司 Novel biomass densification-forming pellet fuel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104194860A (en) * 2014-09-18 2014-12-10 苏州新协力环保科技有限公司 Novel preparation method for straw coal
CN106281558A (en) * 2016-09-13 2017-01-04 玉溪加宝生物能源有限公司 The processing unit (plant) of biomass granule fuel and method thereof
CN109423350A (en) * 2017-08-26 2019-03-05 长沙创远环保科技有限公司 The preparation method of novel straw coal

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