CN105349205A - Coal briquette produced from modified eucalyptus bark - Google Patents

Coal briquette produced from modified eucalyptus bark Download PDF

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Publication number
CN105349205A
CN105349205A CN201510705238.9A CN201510705238A CN105349205A CN 105349205 A CN105349205 A CN 105349205A CN 201510705238 A CN201510705238 A CN 201510705238A CN 105349205 A CN105349205 A CN 105349205A
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CN
China
Prior art keywords
parts
modification
mallee bark
moulded coal
bark
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.)
Pending
Application number
CN201510705238.9A
Other languages
Chinese (zh)
Inventor
江东
黄天
梁君祚
梁承悍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGXI KUONENGBA ENERGY TECHNOLOGY DEVELOPMENT CO., LTD.
Original Assignee
Guangxi Guisheng New Energy Science & Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangxi Guisheng New Energy Science & Technology Co Ltd filed Critical Guangxi Guisheng New Energy Science & Technology Co Ltd
Priority to CN201510705238.9A priority Critical patent/CN105349205A/en
Publication of CN105349205A publication Critical patent/CN105349205A/en
Pending legal-status Critical Current

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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
    • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/04—Raw material of mineral origin to be used; Pretreatment thereof
    • 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
    • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
    • C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
    • C10L5/105—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with a mixture of organic and inorganic binders
    • 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
    • C10L5/442—Wood or forestry waste
    • 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
    • C10L5/445—Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
    • 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
    • C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
    • C10L2230/08—Inhibitors
    • C10L2230/088—Inhibitors for inhibiting or avoiding odor
    • 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
    • C10L2290/32—Molding or moulds
    • 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 invention discloses a coal briquette produced from modified eucalyptus bark. The coal briquette includes the following raw materials by weight: 40-50 parts of pulverized coal, 30-40 parts of modified eucalyptus bark, 5-8 parts of corn straw powder, 5-8 parts of soybean straw powder, 8-12 parts of rice husk powder, 0.5-1 part of calcium oxide, 0.2-0.5 part of magnesium oxide, 1-2 parts of a combustion improver and 5-8 parts of a binder. A production process of the modified eucalyptus bark is as below: breaking eucalyptus bark into strips of 4-6 cm, and then soaking the strips in sodium hydroxide solution with concentration of 2% for 30 min, washing with water to a neutral state, then adding 70-80% ethanol solution, soaking for 4-6 h, drying and crushing into powder of 150-180 mesh. The coal briquette has the advantages of good thermal stability, high reactivity, low pollutant content in the smoke after combustion, and good popularization value.

Description

A kind of moulded coal adopting modification mallee bark to make
Technical field
The present invention relates to moulded coal field, particularly relate to a kind of moulded coal adopting modification mallee bark to make.
Background technology
Moulded coal take fine coal as main raw material, by the machined compression moulding of proportioning, physical strength and shape size required by concrete purposes, has some strength and size and different coal finished product; Moulded coal has that technique is simple, less investment, cost are low, and can obtain and promote coal-fired quality, improve efficiency of combustion, reduce the advantages such as coal burning pollution, is therefore used widely in people's daily life and industrial production as fuel.But coal resources are fewer and feweri, people start more and more to focus on waste resource to be applied in moulded coal, develop economic model capable of circulation.
According to statistics, nearly 3,130,000 hectares of China's eucalyptus area, year cutting estimation about 10%, about 300,000 hectares, wherein per hectare produces about 100 ~ 120 tons, timber, and the content of mallee bark is 12 ~ 15%, and estimation bark output is 3,600,000 ~ 4,000,000 tons/year; Eucalyptus carries out adding man-hour, all will remove edge skin material, and these discarded mallee bark are often abandoned in vain and burn, the recycling of mallee bark, are necessary concerning environment protection and save energy.
Summary of the invention
The invention provides a kind of moulded coal adopting modification mallee bark to make, adopt modification mallee bark as moulded coal raw material, achieve the recycling of waste resource.
For achieving the above object, technical scheme of the present invention is:
The moulded coal adopting modification mallee bark to make, comprises the raw material of following weight part: coal dust 40 ~ 50 parts, modification mallee bark 30 ~ 40 parts, corn stalk powder 5 ~ 8 parts, 5 ~ 8 parts, soybean stalk powder, powdered rice hulls 8 ~ 12 parts, 0.5 ~ 1 part, calcium oxide, 0.2 ~ 0.5 part, magnesium oxide, ignition dope 1 ~ 2 part, binding agent 5 ~ 8 parts.
Wherein, the manufacture craft of described modification mallee bark is: strip mallee bark being broken into 4 ~ 6cm, then being soaked in concentration is in the sodium hydroxide solution of 2%, soak time is 30min, neutrality is washed with water to after immersion, add the alcohol solution dipping 4 ~ 6h of 70 ~ 80% again, dry, break into 150 ~ 180 object powder.
Preferably, the moulded coal that described employing modification mallee bark makes, comprises the raw material of following weight part: coal dust 45 parts, modification mallee bark 35 parts, corn stalk powder 7 parts, 7 parts, soybean stalk powder, powdered rice hulls 10 parts, 0.8 part, calcium oxide, 0.3 part, magnesium oxide, ignition dope 1.5 parts, binding agent 7 parts.
Preferably, described ignition dope is NaCl, NaNO 3, Na 2cO 3, KNO 3, one or more combination in KCl.
Preferably, described ignition dope is preferably by NaCl, Na 2cO 3the weight ratio composition of 2:2:3 is pressed with KCl.
Preferably, described binding agent is the mixture of Sodium salts humic acids and clay.
Preferably, described binding agent is preferably made up of by the weight ratio of 3:1 Sodium salts humic acids and clay.
The moulded coal adopting modification mallee bark to make, has following advantage:
(1) modification is carried out to mallee bark, first with weakly alkaline sodium hydroxide solution, the xylogen in bark and Mierocrystalline cellulose are softened, the microvoid structure of mallee bark is improved again with ethanolic soln, when being convenient to burn, oxygen enters in the microvoid structure of mallee bark, thus increase the contact area of oxygen and moulded coal, improve the burn-off rate of moulded coal; The sulfur-fixing rate of moulded coal can also be improved in addition;
(2) with the addition of biomass fuel corn stalk powder, soybean stalk powder and powdered rice hulls, effectively reduce the burning-point of moulded coal, moulded coal is lighted fast;
(3) with the addition of calcium oxide as sulphur-fixing agent, the sulfur fixation of moulded coal can be strengthened; In addition, calcium oxide has water sorption, can improve water resistance and the intensity of moulded coal;
(4) moulded coal that described employing modification mallee bark makes employs the biomass fuel of larger proportion, achieve the object turning waste into wealth, make the best use of everything, and owing to having carried out modification to mallee bark, the moulded coal Heat stability is good that described employing modification mallee bark is made, reactive behavior are high, smoke contamination thing content after burning is low, has good promotional value.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, but protection scope of the present invention and range of application are not limited to following examples:
One, the moulded coal adopting modification mallee bark to make
Embodiment 1
A kind of moulded coal adopting modification mallee bark to make, comprise the raw material of following weight part: coal dust 45 parts, modification mallee bark 35 parts, corn stalk powder 7 parts, 7 parts, soybean stalk powder, powdered rice hulls 10 parts, 0.8 part, calcium oxide, 0.3 part, magnesium oxide, ignition dope 1.5 parts, binding agent 7 parts, wherein, ignition dope is by NaCl, Na 2cO 3press the weight ratio composition of 2:2:3 with KCl, binding agent is made up of by the weight ratio of 3:1 Sodium salts humic acids and clay.
The manufacture craft of modification mallee bark is: strip mallee bark being broken into 4 ~ 6cm, then being soaked in concentration is in the sodium hydroxide solution of 2%, soak time is 30min, neutrality is washed with water to after immersion, add the alcohol solution dipping 6h of 75% again, dry, break into 160 ~ 170 object powder.
Embodiment 2
A kind of moulded coal adopting modification mallee bark to make, comprise the raw material of following weight part: coal dust 40 parts, modification mallee bark 40 parts, corn stalk powder 5 parts, 5 parts, soybean stalk powder, powdered rice hulls 12 parts, 0.5 part, calcium oxide, 0.5 part, magnesium oxide, ignition dope 2 parts, binding agent 5 parts, wherein, ignition dope is by NaCl, NaNO 3and KNO 3form by the weight ratio of 1:1:2, binding agent is made up of by the weight ratio of 4:1 Sodium salts humic acids and clay.
The manufacture craft of modification mallee bark is: strip mallee bark being broken into 4 ~ 6cm, then being soaked in concentration is in the sodium hydroxide solution of 2%, soak time is 30min, neutrality is washed with water to after immersion, add the alcohol solution dipping 5h of 80% again, dry, break into 150 ~ 160 object powder.
Embodiment 3
A kind of moulded coal adopting modification mallee bark to make, comprise the raw material of following weight part: coal dust 50 parts, modification mallee bark 30 parts, corn stalk powder 8 parts, 8 parts, soybean stalk powder, powdered rice hulls 8 parts, 1 part, calcium oxide, 0.2 part, magnesium oxide, ignition dope 1 part, binding agent 8 parts, wherein, ignition dope is by NaCl, KCl and KNO 3form by the weight ratio of 1:1:1, binding agent is made up of by the weight ratio of 2:1 Sodium salts humic acids and clay.
The manufacture craft of modification mallee bark is: strip mallee bark being broken into 4 ~ 6cm, then being soaked in concentration is in the sodium hydroxide solution of 2%, soak time is 30min, neutrality is washed with water to after immersion, add the alcohol solution dipping 4h of 70% again, dry, break into 170 ~ 180 object powder.
Two, the moulded coal performance test adopting modification mallee bark to make
1. strength test
By the above-mentioned embodiment sample prepared, carry out strength test, result shows that moulded coal sample cold strength of the present invention is high, falls not easily broken, refers to table 1.
The briquette strength table with test results that table 1 adopts modification mallee bark to make
2. combustionproperty test
Get above-mentioned 3 the embodiment samples prepared respectively, carry out combustion test, measure following test item, test-results refers to table 2.
The Combustion of Mould Coal the performance test results table that table 2 adopts modification mallee bark to make
(3) measurement result
Result shows: from inner outside release of heat during the present invention's 3 embodiment sample combustion, ignition temperature is reduced to 190-290 DEG C, and speed of igniting is accelerated, and flame lengthens, and burning is more abundant, adds the internal flame temperature of flame, the bulk temperature of flame is improved.
Can be drawn the following conclusions by above the performance test results: the moulded coal thermal value that employing modification mallee bark of the present invention makes, thermo-efficiency are high, SO 2quantity discharged, smoke discharge amount lower, raw material is mainly agriculture production waste, and cost reduces 30-50%.
Above content can not assert that specific embodiment of the invention is confined to these explanations; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that the present invention is determined by submitted to claims.

Claims (6)

1. the moulded coal adopting modification mallee bark to make, it is characterized in that, comprise the raw material of following weight part: coal dust 40 ~ 50 parts, modification mallee bark 30 ~ 40 parts, corn stalk powder 5 ~ 8 parts, 5 ~ 8 parts, soybean stalk powder, powdered rice hulls 8 ~ 12 parts, 0.5 ~ 1 part, calcium oxide, 0.2 ~ 0.5 part, magnesium oxide, ignition dope 1 ~ 2 part, binding agent 5 ~ 8 parts;
The manufacture craft of described modification mallee bark is: strip mallee bark being broken into 4 ~ 6cm, then being soaked in concentration is in the sodium hydroxide solution of 2%, soak time is 30min, neutrality is washed with water to after immersion, add the alcohol solution dipping 4 ~ 6h of 70 ~ 80% again, dry, break into 150 ~ 180 object powder.
2. the moulded coal of employing modification mallee bark making according to claim 1, it is characterized in that, comprise the raw material of following weight part: coal dust 45 parts, modification mallee bark 35 parts, corn stalk powder 7 parts, 7 parts, soybean stalk powder, powdered rice hulls 10 parts, 0.8 part, calcium oxide, 0.3 part, magnesium oxide, ignition dope 1.5 parts, binding agent 7 parts.
3. the moulded coal of employing modification mallee bark making according to claim 1 and 2, it is characterized in that, described ignition dope is NaCl, NaNO 3, Na 2cO 3, KNO 3, one or more combination in KCl.
4. the moulded coal of employing modification mallee bark making according to claim 3, it is characterized in that, described ignition dope is by NaCl, Na 2cO 3the weight ratio composition of 2:2:3 is pressed with KCl.
5. the moulded coal of employing modification mallee bark making according to claim 1 and 2, it is characterized in that, described binding agent is the mixture of Sodium salts humic acids and clay.
6. the moulded coal of employing modification mallee bark making according to claim 5, it is characterized in that, described binding agent is made up of by the weight ratio of 3:1 Sodium salts humic acids and clay.
CN201510705238.9A 2015-10-27 2015-10-27 Coal briquette produced from modified eucalyptus bark Pending CN105349205A (en)

Priority Applications (1)

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CN201510705238.9A CN105349205A (en) 2015-10-27 2015-10-27 Coal briquette produced from modified eucalyptus bark

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510705238.9A CN105349205A (en) 2015-10-27 2015-10-27 Coal briquette produced from modified eucalyptus bark

Publications (1)

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CN105349205A true CN105349205A (en) 2016-02-24

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Country Status (1)

Country Link
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101148622A (en) * 2007-11-02 2008-03-26 山西大学 Sandwich biomass briquette and producing method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101148622A (en) * 2007-11-02 2008-03-26 山西大学 Sandwich biomass briquette and producing method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
谢光辉，庄会永，危文亮等: "《非粮能源植物-生产原理和边际地栽培》", 31 August 2011, 中国农业大学出版社 *

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C06 Publication
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C41 Transfer of patent application or patent right or utility model
CB03 Change of inventor or designer information

Inventor after: Huang Tian

Inventor after: Jiang Xinglin

Inventor after: Gu Yuanyi

Inventor before: Jiang Dong

Inventor before: Huang Tian

Inventor before: Liang Junzuo

Inventor before: Liang Chenghan

COR Change of bibliographic data
TA01 Transfer of patent application right

Effective date of registration: 20160914

Address after: Starlake 530000 Nanning Road, the Guangxi Zhuang Autonomous Region No. 39 building 7 1 unit 3 floor No. 5

Applicant after: GUANGXI KUONENGBA ENERGY TECHNOLOGY DEVELOPMENT CO., LTD.

Address before: Dong Ge road Nanning 530000 the Guangxi Zhuang Autonomous Region 24-8 building B unit B0606 real Kaifeng

Applicant before: Guangxi Guisheng New Energy Science & Technology Co., Ltd.

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160224