CN101818091A - Straw composite fuel and manufacture method thereof - Google Patents

Straw composite fuel and manufacture method thereof Download PDF

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Publication number
CN101818091A
CN101818091A CN 201010169094 CN201010169094A CN101818091A CN 101818091 A CN101818091 A CN 101818091A CN 201010169094 CN201010169094 CN 201010169094 CN 201010169094 A CN201010169094 A CN 201010169094A CN 101818091 A CN101818091 A CN 101818091A
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China
Prior art keywords
raw material
composite fuel
coal dust
straw composite
stalk
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Pending
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CN 201010169094
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Chinese (zh)
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韩新平
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韩新平
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Priority to CN 201010169094 priority Critical patent/CN101818091A/en
Publication of CN101818091A publication Critical patent/CN101818091A/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

Abstract

The invention relates to a manufacture method of a straw composite fuel, which comprises the steps of: pretreating straws, coal powder and papermaking sludge to form a straw raw material, a coal powder raw material and a papermaking sludge raw material; mixing and stirring the straw raw material, the coal powder raw material and the papermaking sludge raw material according to the weight ratio of 7:1.5:1.5 to form a raw material mixture; and pressing the formed raw material mixture to form a straw composite fuel. The manufacture method of the straw composite fuel can be used for manufacturing the straw composite fuel with better combustion property by using crop straws and papermaking sludge, so as to realize resource recycle. Meanwhile, during the combustion of the straw composite fuel, calcium carbonate in the papermaking sludge plays a role of desulfidation and can remove sulfur dioxide generated by the coal powder in the straw composite fuel, thereby reducing the pollution of the sulfur dioxide to the environment. The invention also provides a straw composite fuel.

Description

Straw composite fuel manufacture method and straw composite fuel
Technical field:
The present invention relates to the fuel field, particularly a kind of straw composite fuel manufacture method and straw composite fuel with agricultural crop straw and paper mill sludge comprehensive utilization production straw composite fuel.
Background technology:
In China, agricultural crop straw is annual can to produce more than 700,000,000 ton, but the prepared using that is used as paper industry, construction industry and handicraft about 10% is only arranged, and remaining 600,000,000 tons of stalk is burned or be discarded, so causes soil mineralization and environmental pollution.Further, in paper industry is produced, can discharge a large amount of paper mill sludges, a large amount of paper mill sludges pollute the environment.
Summary of the invention:
In view of this, be necessary to provide a kind of straw composite fuel manufacture method with agricultural crop straw and paper mill sludge comprehensive utilization production straw composite fuel.
Also be necessary to provide a kind of straw composite fuel of utilizing agricultural crop straw and paper mill sludge to produce.
A kind of straw composite fuel manufacture method may further comprise the steps:
Stalk, coal dust and paper mill sludge are carried out pre-treatment, to form stalk, coal dust raw material and paper mill sludge raw material;
Is to mix and stirs at 7: 1.5: 1.5 stalk, coal dust raw material and the paper mill sludge raw material of handling gained according to weight ratio, with the formation raw mix;
The raw mix that forms is suppressed, to form straw composite fuel.
A kind of straw composite fuel comprises stalk, paper mill sludge raw material and coal dust raw material; This stalk, paper mill sludge raw material and coal dust raw material obtain after stalk, coal dust and paper mill sludge are done pre-treatment, process is mixed this stalk, paper mill sludge raw material and coal dust raw material and compression moulding operation back forms this straw composite fuel, and the weight ratio of this stalk, paper mill sludge raw material and coal dust raw material is 7: 1.5: 1.5.
Above-mentioned straw composite fuel manufacture method can utilize paper mill sludge and agricultural crop straw to produce the good straw composite fuel of combustionproperty, realizes the resource circulation utilization.Simultaneously, straw composite fuel is in combustion processes, and the lime carbonate in the paper mill sludge plays desulfidation, the sulfurous gas that coal dust in the straw composite fuel produces can be sloughed, and has reduced the pollution of sulfurous gas to environment.
Description of drawings:
Accompanying drawing 1 is the straw composite fuel manufacture method schema of a better embodiment
Among the figure: straw composite fuel manufacture method step S101~S105
Embodiment:
The straw composite fuel manufacture method schema of a better embodiment as shown in Figure 1.This straw composite fuel manufacture method may further comprise the steps:
Step S101 carries out pre-treatment to stalk, coal dust and paper mill sludge, to form stalk, coal dust raw material and paper mill sludge raw material.Wherein, the pre-treatment of stalk is meant stalk is dried the fiber that then it is crushed to 0.5-0.8 centimetre; The pre-treatment of coal dust is meant coal dust is crushed to particle diameter 0.1-0.3 centimetre that coal dust can be for hard coal coal dust, coke coal dust, pulverized bituminous coal is arranged or be the mixing of above-mentioned coal dust; Pre-treatment to paper mill sludge is meant that it is 10-15% that dehydration of papermaking sludge is dried to water content, and this paper mill sludge raw material chief component is incendivity part (wood fibre, half fiber, starch etc.) and aphlogistic part (precipitated chalk, inorganics, silt particle etc.).
Step S103 is to mix and stirs at 7: 1.5: 1.5 stalk, coal dust raw material and the paper mill sludge raw material of handling gained according to weight ratio, with the formation raw mix.
Step S105 is pressed and natural air drying to the raw mix that forms, to form compound fuel.Wherein, the paper mill sludge raw material in the raw mix also plays the effect of tackiness agent, so helps the moulding of straw composite fuel.After this raw mix was suppressed through 30 tons pressure, the density of the straw composite fuel of formation was greater than every cubic centimetre of 1.2 gram.
Below illustrate the process of utilizing the straw composite fuel manufacture method to make straw composite fuel and the burning index of straw composite fuel:
Stalk is dried the fiber that then it is crushed to 0.5-0.8 centimetre, to obtain stalk; Coal dust is crushed to particle diameter 0.1-0.3 centimetre, to obtain the coal dust raw material; It is 10-15% that dehydration of papermaking sludge is dried to water content, to obtain the paper mill sludge raw material.
The paper mill sludge raw material of getting 700 kilograms stalk, 150 kilograms coal dust raw material and 150 kilograms mixes, and then mixed raw material is pressed and promptly obtains straw composite fuel behind natural air drying.
Get 10 kilograms straw composite fuel and carry out combustion test, the burning index of this straw composite fuel is shown in table 1 and table 2:
Table 1 straw composite fuel combustion experiment table
From table 1, this straw composite fuel reaches 105 minutes and 122 minutes the combustion time in boiler and heating stove for civilian use as can be seen, so this straw composite fuel has flashback performance.
Table 2 straw composite fuel burning index test table
Test item Straw composite fuel
Thermal value (Qgr, d) ??18.74
Full sulphur (St, d) ??0.08
Test item Straw composite fuel
Moisture (Mad) ??4.25
Ash content (Ad) ??16.12
Volatile matter (Vdaf) ??79.81
Fixed carbon (F.C) ??18.22
As can be seen from Table 2 in the straw composite fuel incendiary process, the sulfide that produces is lower than 1% emission standard well below " emission standard of air pollutants for boilers GB13271-2001 ", so this straw composite fuel can reduce the pollution to environment in combustion processes.
Above-mentioned straw composite fuel manufacture method can utilize paper mill sludge and agricultural crop straw to produce the good straw composite fuel of combustionproperty, realizes the resource circulation utilization.Simultaneously, straw composite fuel is in combustion processes, and the lime carbonate in the paper mill sludge plays desulfidation, the sulfurous gas that coal dust in the straw composite fuel produces can be sloughed, and has reduced the pollution of sulfurous gas to environment.Further, the lime-ash that this straw composite fuel burning back is produced is rich potassic mineral manure, can be used as fertilizer application in agriculture production.

Claims (10)

1. straw composite fuel manufacture method may further comprise the steps:
Stalk, coal dust and paper mill sludge are carried out pre-treatment, to form stalk, coal dust raw material and paper mill sludge raw material;
Is to mix and stirs at 7: 1.5: 1.5 stalk, coal dust raw material and the paper mill sludge raw material of handling gained according to weight ratio, with the formation raw mix;
The raw mix that forms is pressed, to form straw composite fuel.
2. straw composite fuel manufacture method according to claim 1 is characterized in that: to the pre-treatment of described paper mill sludge be meant with paper mill sludge, dehydrate to water content be 10-15%.
3. straw composite fuel manufacture method according to claim 1 is characterized in that: the pre-treatment of described coal dust is meant coal dust is crushed to particle diameter 0.1-0.3 centimetre.
4. straw composite fuel manufacture method according to claim 1 is characterized in that: the pre-treatment of described stalk is meant stalk is dried the fiber that then it is crushed to 0.5-0.8 centimetre.
5. straw composite fuel manufacture method according to claim 1 is characterized in that: described coal dust is hard coal coal dust, coke coal dust or is pulverized bituminous coal.
6. straw composite fuel, it is characterized in that: this straw composite fuel comprises stalk, paper mill sludge raw material and coal dust raw material, this stalk, paper mill sludge raw material and coal dust raw material obtain after stalk, coal dust and paper mill sludge are done pre-treatment, process is mixed this stalk, paper mill sludge raw material and coal dust raw material and compression moulding operation back forms this straw composite fuel, and the weight ratio of this stalk, paper mill sludge raw material and coal dust raw material is 7: 1.5: 1.5.
7. straw composite fuel according to claim 6 is characterized in that: to the pre-treatment of described paper mill sludge be meant with paper mill sludge, dehydrate to water content be 10-15%.
8. straw composite fuel according to claim 6 is characterized in that: the pre-treatment of described coal dust is meant coal dust is crushed to particle diameter 0.1-0.3 centimetre.
9. straw composite fuel according to claim 6 is characterized in that: the pre-treatment of described stalk is meant stalk is dried the fiber that then it is crushed to 0.5-0.8 centimetre.
10. straw composite fuel according to claim 6 is characterized in that: described coal dust is the mixture of hard coal coal dust, coke coal dust and pulverized bituminous coal.
CN 201010169094 2010-05-14 2010-05-14 Straw composite fuel and manufacture method thereof Pending CN101818091A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 201010169094 CN101818091A (en) 2010-05-14 2010-05-14 Straw composite fuel and manufacture method thereof

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CN101818091A true CN101818091A (en) 2010-09-01

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101928623A (en) * 2010-09-03 2010-12-29 卢秉威 Preparation method of sludge straw biomass fuel
CN102021057A (en) * 2010-11-30 2011-04-20 宁波国海能源科技有限公司 Method for preparing biomass solid molding fuel
CN102517115A (en) * 2011-12-31 2012-06-27 青州市圣洁环保设备科技有限公司 Method and device for producing bunker coal with sludge
CN103265989A (en) * 2013-06-08 2013-08-28 宁夏博浩环保技术有限公司 Biomass moulded coal and processing technology thereof
CN103320194A (en) * 2013-07-16 2013-09-25 徐州万国生物能源科技有限公司 Preparation method of composite straw fuel
CN105695019A (en) * 2016-02-03 2016-06-22 山东佳星环保科技有限公司 Preparation technology of biomass briquette
CN107177391A (en) * 2016-12-31 2017-09-19 湖北金日生态能源股份有限公司 A kind of stalk and coal blending fuel and its production technology
CN108504411A (en) * 2018-04-04 2018-09-07 蒙城县鑫瑞新能源科技有限公司 A kind of multicomponent complex biological matter granular fuel and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101376855A (en) * 2008-04-30 2009-03-04 汤广武 Sludge synthetic fuel and preparation thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101376855A (en) * 2008-04-30 2009-03-04 汤广武 Sludge synthetic fuel and preparation thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101928623A (en) * 2010-09-03 2010-12-29 卢秉威 Preparation method of sludge straw biomass fuel
CN102021057A (en) * 2010-11-30 2011-04-20 宁波国海能源科技有限公司 Method for preparing biomass solid molding fuel
CN102517115A (en) * 2011-12-31 2012-06-27 青州市圣洁环保设备科技有限公司 Method and device for producing bunker coal with sludge
CN103265989A (en) * 2013-06-08 2013-08-28 宁夏博浩环保技术有限公司 Biomass moulded coal and processing technology thereof
CN103320194A (en) * 2013-07-16 2013-09-25 徐州万国生物能源科技有限公司 Preparation method of composite straw fuel
CN105695019A (en) * 2016-02-03 2016-06-22 山东佳星环保科技有限公司 Preparation technology of biomass briquette
CN107177391A (en) * 2016-12-31 2017-09-19 湖北金日生态能源股份有限公司 A kind of stalk and coal blending fuel and its production technology
CN108504411A (en) * 2018-04-04 2018-09-07 蒙城县鑫瑞新能源科技有限公司 A kind of multicomponent complex biological matter granular fuel and preparation method thereof

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Application publication date: 20100901