CN105349201A - Coal briquette containing modified eucalyptus bark - Google Patents
Coal briquette containing modified eucalyptus bark Download PDFInfo
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- CN105349201A CN105349201A CN201510707987.5A CN201510707987A CN105349201A CN 105349201 A CN105349201 A CN 105349201A CN 201510707987 A CN201510707987 A CN 201510707987A CN 105349201 A CN105349201 A CN 105349201A
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- parts
- mallee bark
- modification
- moulded coal
- powder
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- 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
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Abstract
The invention discloses a coal briquette containing 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, 3-5 parts of sugarcane leaf powder, 0.5-1 part of calcium 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%, soaking for 20 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 high burn-off rate, good thermal stability, high reactivity, and low pollutant content in the smoke after combustion.
Description
Technical field
The present invention relates to moulded coal field, particularly relate to a kind of moulded coal containing modification mallee bark.
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 containing modification mallee bark, 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:
Containing a moulded coal for modification mallee bark, 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, 3 ~ 5 parts, Caulis Sacchari sinensis leaf powder, 0.5 ~ 1 part, calcium 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 20min, 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 described moulded coal containing modification mallee bark, 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, 4 parts, Caulis Sacchari sinensis leaf powder, 0.8 part, calcium 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, KNO
3the weight ratio composition of 3:1:2 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 2:1 Sodium salts humic acids and clay.
Containing the moulded coal of modification mallee bark, there is 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 Caulis Sacchari sinensis leaf powder, 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) the described moulded coal containing modification mallee bark 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, make the described moulded coal Heat stability is good containing modification mallee bark, reactive behavior 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, containing the moulded coal of modification mallee bark
Embodiment 1
A kind of moulded coal containing modification mallee bark, 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, 4 parts, Caulis Sacchari sinensis leaf powder, 0.8 part, calcium oxide, ignition dope 1.5 parts, binding agent 7 parts, wherein, ignition dope is by NaCl, KNO
3press the weight ratio composition of 3:1:2 with KCl, 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 20min, 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 containing modification mallee bark, 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, 5 parts, Caulis Sacchari sinensis leaf powder, 0.5 part, calcium oxide, ignition dope 2 parts, binding agent 5 parts, wherein, ignition dope is by NaCl, NaNO
3and KNO
3form by the weight ratio of 2:1:1, binding agent is made up of by the weight ratio of 1:1 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 20min, neutrality is washed with water to after immersion, add the alcohol solution dipping 5h of 70% again, dry, break into 150 ~ 160 object powder.
Embodiment 3
A kind of moulded coal containing modification mallee bark, 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, 3 parts, Caulis Sacchari sinensis leaf powder, 1 part, calcium oxide, ignition dope 1 part, binding agent 8 parts, wherein, ignition dope is by NaCl, Na
2cO
3and KNO
3form by the weight ratio of 2:1:2, 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 20min, neutrality is washed with water to after immersion, add the alcohol solution dipping 4h of 80% again, dry, break into 170 ~ 180 object powder.
Two, containing the moulded coal performance test of modification mallee bark
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.
Table 1 is containing the briquette strength table with test results of modification mallee bark
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.
Table 2 is containing the Combustion of Mould Coal the performance test results table of modification mallee bark
(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 180-280 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 containing modification mallee bark of the present invention, 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 containing modification mallee bark, 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, 3 ~ 5 parts, Caulis Sacchari sinensis leaf powder, 0.5 ~ 1 part, calcium 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 20min, 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 containing modification mallee bark 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, 4 parts, Caulis Sacchari sinensis leaf powder, 0.8 part, calcium oxide, ignition dope 1.5 parts, binding agent 7 parts.
3. the moulded coal containing modification mallee bark 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 containing modification mallee bark according to claim 3, it is characterized in that, described ignition dope is by NaCl, KNO
3the weight ratio composition of 3:1:2 is pressed with KCl.
5. the moulded coal containing modification mallee bark 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 containing modification mallee bark according to claim 5, it is characterized in that, described binding agent is made up of by the weight ratio of 2:1 Sodium salts humic acids and clay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707987.5A CN105349201A (en) | 2015-10-27 | 2015-10-27 | Coal briquette containing modified eucalyptus bark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707987.5A CN105349201A (en) | 2015-10-27 | 2015-10-27 | Coal briquette containing modified eucalyptus bark |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105349201A true CN105349201A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510707987.5A Pending CN105349201A (en) | 2015-10-27 | 2015-10-27 | Coal briquette containing modified eucalyptus bark |
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| CN (1) | CN105349201A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251177A (en) * | 2017-12-30 | 2018-07-06 | 安徽大地节能科技有限公司 | A kind of biomass granule fuel is modified charing treatment process |
| CN109022081A (en) * | 2018-07-09 | 2018-12-18 | 安徽大地节能科技有限公司 | A kind of biomass granule fuel of good permeability |
| CN112335652A (en) * | 2020-11-04 | 2021-02-09 | 湖南省九喜日化有限公司 | Low-smoke mosquito-repellent incense blank and preparation method thereof |
Citations (1)
| 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 |
-
2015
- 2015-10-27 CN CN201510707987.5A patent/CN105349201A/en active Pending
Patent Citations (1)
| 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)
| 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 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251177A (en) * | 2017-12-30 | 2018-07-06 | 安徽大地节能科技有限公司 | A kind of biomass granule fuel is modified charing treatment process |
| CN109022081A (en) * | 2018-07-09 | 2018-12-18 | 安徽大地节能科技有限公司 | A kind of biomass granule fuel of good permeability |
| CN112335652A (en) * | 2020-11-04 | 2021-02-09 | 湖南省九喜日化有限公司 | Low-smoke mosquito-repellent incense blank and preparation method thereof |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| 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 |
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| COR | Change of bibliographic data | ||
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Effective date of registration: 20160930 Address after: Starlake 530022 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. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |
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| RJ01 | Rejection of invention patent application after publication |