CN103148498B - The ciculation fluidized burning process of agricultural stalk coal water-coal-slurry - Google Patents
The ciculation fluidized burning process of agricultural stalk coal water-coal-slurry Download PDFInfo
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- CN103148498B CN103148498B CN201210534434.0A CN201210534434A CN103148498B CN 103148498 B CN103148498 B CN 103148498B CN 201210534434 A CN201210534434 A CN 201210534434A CN 103148498 B CN103148498 B CN 103148498B
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- coal
- slurry
- water
- straw
- stalk
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- 239000003250 coal slurry Substances 0.000 title claims abstract description 52
- 239000003245 coal Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000010902 straw Substances 0.000 claims abstract description 36
- 239000002245 particle Substances 0.000 claims abstract description 19
- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 238000009331 sowing Methods 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims abstract description 8
- 239000000725 suspension Substances 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000002817 coal dust Substances 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 15
- 238000005469 granulation Methods 0.000 claims description 10
- 230000003179 granulation Effects 0.000 claims description 10
- 238000005243 fluidization Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- 238000005987 sulfurization reaction Methods 0.000 abstract description 2
- 235000013339 cereals Nutrition 0.000 description 8
- 239000000446 fuel Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000008187 granular material Substances 0.000 description 4
- 210000004884 grey matter Anatomy 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Landscapes
- Fertilizers (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The present invention discloses the ciculation fluidized burning process of a kind of agricultural stalk coal water-coal-slurry, comprises the following steps: step 1, prepares straw coal, and use the particle that crushed stalk is 5-10mm to granularity by pulverizer, stalk particle being compressed to density is 1.1-1.2g/cm
3module, add coal dust and coalification agent to the module of compression and carry out coalification process, be made into straw coal; Step 2; straw coal is processed into water-coal-slurry; with for slurry equipment water-coal-slurry being carried and burning in the combustion chamber of sowing suspension sulfuration burning boiler; temperature in combustion chamber controls at 920-990 DEG C; by carrying out coalification process to agricultural stalk in this programme; and make water-coal-slurry and burn, agricultural stalk is fully utilized, not only protection of the environment but also economize energy.
Description
Technical field
The invention belongs to fluid fuel is the industrial combustion field of feature, the ciculation fluidized burning process of a kind of agricultural stalk coal water-coal-slurry specifically.
Background technology
The stem stalk of agricultural stalk and crops, in agricultural production process, after having gathered in the crops the crops such as wheat, corn, paddy, residual root, stem, the leaf the like waste that can not eat, containing inorganic fertilizer such as abundant carbonaceous organic material and N P and K in agricultural stalk, and sulfur content own is very low.China is a large agricultural country, agricultural straw resource is extremely abundant, according to statistics, annual stalk output about more than 600,000,000 ton, contain abundant energy and a large amount of nutriments, but the economy of stalk comprehensive utilization, commodity and industrialization level are low, also have a lot of on-site incineration to cause serious pollution to environment, how the scientific and efficient renewable resource utilizing this huge has become a problem in the urgent need to address.
Summary of the invention
The technical problem that the present invention solves is to provide the ciculation fluidized burning process of a kind of agricultural stalk coal water-coal-slurry, realizes the object of comprehensive utilization agricultural stalk.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is the ciculation fluidized burning process of a kind of agricultural stalk coal water-coal-slurry, comprise the following steps: step 1, prepare straw coal, use the particle that crushed stalk is 5-10mm to granularity by pulverizer, stalk particle being compressed to density is 1.1-1.2g/cm
3module, add coal dust and coalification agent to the module of compression and carry out coalification process, be made into straw coal; Step 2, is processed into water-coal-slurry by straw coal, and with water-coal-slurry to be carried for slurry equipment and burn in the combustion chamber of sowing suspension sulfuration burning boiler, the temperature in combustion chamber controls at 920-990 DEG C.
Compared to the prior art, by carrying out coalification process to agricultural stalk in this programme, and make water-coal-slurry and burn, agricultural stalk is fully utilized, not only protection of the environment but also economize energy.
The granularity of described particle is 6-8mm;
The density of described module is 1.16g/cm
3;
It is 970 DEG C that temperature in described combustion chamber controls.
In above improvement project, optimize combustion efficiency, the utilization rate of stalk is improved significantly.
Detailed description of the invention
Embodiment 1
The ciculation fluidized burning process of a kind of agricultural stalk coal water-coal-slurry, comprises the following steps: step 1, prepares straw coal, and use the particle that crushed stalk is 5mm to granularity by pulverizer, stalk particle being compressed to density is 1.1g/cm
3module, add coal dust and coalification agent to the module of compression and carry out coalification process, be made into straw coal; Step 2, by the straw coal made, is made into straw coal water-coal-slurry according to the preparation method of water-coal-slurry.By above-mentioned water-coal-slurry by being arranged on the granulation sowing device on water-coal-slurry suspension fluidization burning boiler for slurry equipment; Water-coal-slurry is evenly sowed in combustion chamber by granulation sowing device; After becoming heat smoke from the First air of high pressure positive blower by igniter heats, bed material is heated to 400 DEG C, and bed is expected the cluster of grains that media and straw coal water-coal-slurry sow formation upwards blows afloat by air distribution plate, form fluidized state; The cluster of grains sowing the water-coal-slurry on bed material media separates out moisture rapidly under the heating of fluidized state bed material media, thus ignition, its ignition temperature reaches 920 DEG C; Due to the characteristic of fuel, after fluidized bed combustion, part granule enters secondary burning chamber, fully burns, grey matter sedimentation, and larger particles returns in stove through separator and again burns.
Embodiment 2
The ciculation fluidized burning process of a kind of agricultural stalk coal water-coal-slurry, comprises the following steps: step 1, prepares straw coal, and use the particle that crushed stalk is 10mm to granularity by pulverizer, stalk particle being compressed to density is 1.2g/cm
3module, add coal dust and coalification agent to the module of compression and carry out coalification process, be made into straw coal; Step 2, by the straw coal made, is made into straw coal water-coal-slurry according to the preparation method of water-coal-slurry.By above-mentioned water-coal-slurry by being arranged on the granulation sowing device on water-coal-slurry suspension fluidization burning boiler for slurry equipment; Water-coal-slurry is evenly sowed in combustion chamber by granulation sowing device; After becoming heat smoke from the First air of high pressure positive blower by igniter heats, bed material is heated to 500 DEG C, and bed is expected the cluster of grains that media and straw coal water-coal-slurry sow formation upwards blows afloat by air distribution plate, form fluidized state; The cluster of grains sowing the water-coal-slurry on bed material media separates out moisture rapidly under the heating of fluidized state bed material media, thus ignition, its ignition temperature reaches 990 DEG C; Due to the characteristic of fuel, after fluidized bed combustion, part granule enters secondary burning chamber, fully burns, grey matter sedimentation, and larger particles returns in stove through separator and again burns.
Embodiment 3
The ciculation fluidized burning process of a kind of agricultural stalk coal water-coal-slurry, comprises the following steps: step 1, prepares straw coal, and use the particle that crushed stalk is 5mm to granularity by pulverizer, stalk particle being compressed to density is 1.3g/cm
3module, add coal dust and coalification agent to the module of compression and carry out coalification process, be made into straw coal; Step 2, by the straw coal made, is made into straw coal water-coal-slurry according to the preparation method of water-coal-slurry.By above-mentioned water-coal-slurry by being arranged on the granulation sowing device on water-coal-slurry suspension fluidization burning boiler for slurry equipment; Water-coal-slurry is evenly sowed in combustion chamber by granulation sowing device; After becoming heat smoke from the First air of high pressure positive blower by igniter heats, bed material is heated to 600 DEG C, and bed is expected the cluster of grains that media and straw coal water-coal-slurry sow formation upwards blows afloat by air distribution plate, form fluidized state; The cluster of grains sowing the water-coal-slurry on bed material media separates out moisture rapidly under the heating of fluidized state bed material media, thus ignition, its ignition temperature reaches 940 DEG C; Due to the characteristic of fuel, after fluidized bed combustion, part granule enters secondary burning chamber, fully burns, grey matter sedimentation, and larger particles returns in stove through separator and again burns.
Embodiment 4
The ciculation fluidized burning process of a kind of agricultural stalk coal water-coal-slurry, comprise the following steps: step 1, prepare straw coal, use the particle that crushed stalk is 6mm to granularity by pulverizer, stalk particle is compressed to the module that density is 1.6g/cm3, carry out coalification process to the module of compression interpolation coal dust and coalification agent, be made into straw coal; Step 2, by the straw coal made, is made into straw coal water-coal-slurry according to the preparation method of water-coal-slurry.By above-mentioned water-coal-slurry by being arranged on the granulation sowing device on water-coal-slurry suspension fluidization burning boiler for slurry equipment; Water-coal-slurry is evenly sowed in combustion chamber by granulation sowing device; After becoming heat smoke from the First air of high pressure positive blower by igniter heats, bed material is heated to 400 DEG C, and bed is expected the cluster of grains that media and straw coal water-coal-slurry sow formation upwards blows afloat by air distribution plate, form fluidized state; The cluster of grains sowing the water-coal-slurry on bed material media separates out moisture rapidly under the heating of fluidized state bed material media, thus ignition, its ignition temperature reaches 970 DEG C; Due to the characteristic of fuel, after fluidized bed combustion, part granule enters secondary burning chamber, fully burns, grey matter sedimentation, and larger particles returns in stove through separator and again burns.
Embodiment 1,2,3 and 4 well can both reach the object of process agricultural stalk, and combustion rate is ideal, and wherein the effect of embodiment 4 is best.
This technology directly effectively utilizes waste straw for fuel, is directly dropped in suspension fluidization burning boiler and carries out burning heat production, develop further combustion product by coalification compression stalk.Whole technology achieves efficiently agricultural stalk, environmental protection utilizes, and saves the consumption of the fossil fuels such as coal, avoids environmental pollution and the wasting of resources that traditional on-site incineration brings.Because stalk is substantial amounts renewable resource, this technology can realize the industrial operation of straw burning, as the main fuel that spot heating or large-sized boiler generate electricity, can realize the fundamental requirement of science sustainable development.Consider existing stalk treatment process and disposal status, also have a large amount of stalks to be utilized effectively, contrary to the impact caused farming progress, to occupying of a large amount of soil, having a strong impact on environment.Adopt and collect-make straw coal-burning heating-grey matter and return this circulation pattern process of soil fertilizing, greatly, processing mode is flexible, can also produce huge economic benefit and social benefit, has very large development prospect for Treating straw amount.
Claims (1)
1. the ciculation fluidized burning process of agricultural stalk coal water-coal-slurry, is characterized in that: comprise the following steps: step 1, prepares straw coal, and use the particle that crushed stalk is 6mm to granularity by pulverizer, stalk particle being compressed to density is 1.6g/cm
3module, add coal dust and coalification agent to the module of compression and carry out coalification process, be made into straw coal;
Step 2, by the straw coal made, is made into straw coal water-coal-slurry according to the preparation method of water-coal-slurry, by above-mentioned water-coal-slurry by being arranged on the granulation sowing device on water-coal-slurry suspension fluidization burning boiler for slurry equipment; Water-coal-slurry is evenly sowed in combustion chamber by granulation sowing device; After becoming heat smoke from the First air of high pressure positive blower by igniter heats, bed material is heated to 400 DEG C, and bed is expected the cluster of grains that media and straw coal water-coal-slurry sow formation upwards blows afloat by air distribution plate, form fluidized state; The cluster of grains sowing the water-coal-slurry on bed material media separates out moisture rapidly under the heating of fluidized state bed material media, thus ignition, its ignition temperature reaches 970 DEG C.
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| CN201210534434.0A CN103148498B (en) | 2012-12-12 | 2012-12-12 | The ciculation fluidized burning process of agricultural stalk coal water-coal-slurry |
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| CN201210534434.0A CN103148498B (en) | 2012-12-12 | 2012-12-12 | The ciculation fluidized burning process of agricultural stalk coal water-coal-slurry |
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| CN103148498A CN103148498A (en) | 2013-06-12 |
| CN103148498B true CN103148498B (en) | 2016-03-09 |
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| CN201210534434.0A Expired - Fee Related CN103148498B (en) | 2012-12-12 | 2012-12-12 | The ciculation fluidized burning process of agricultural stalk coal water-coal-slurry |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528049B (en) * | 2013-10-14 | 2016-02-10 | 上海交通大学 | The organic working medium boiler of living beings-water-coal-slurry multifuel combustion |
| EP3608387B1 (en) | 2017-12-25 | 2021-10-27 | Beijing Sanju Environmental Protection and New Material Co., Ltd. | Process for one-pot liquefaction of biomass or coal and biomass |
| CN108264920A (en) * | 2017-12-26 | 2018-07-10 | 北京三聚环保新材料股份有限公司 | A kind of one kettle way liquefaction process of coal and biomass |
| CN109111966A (en) * | 2018-09-06 | 2019-01-01 | 鄂尔多斯应用技术学院 | A kind of Anthracite coal water slurry for coal gasification and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392912A (en) * | 2008-10-31 | 2009-03-25 | 北京博奇电力科技有限公司 | Fluidized bed incinerator method for organic waste liquid and garbage |
| CN101551108A (en) * | 2009-05-11 | 2009-10-07 | 东南大学 | Incineration treatment method of municipal sludge and device thereof |
| CN201429074Y (en) * | 2009-06-11 | 2010-03-24 | 青岛特利尔水煤浆锅炉有限公司 | Improved coal water slurry circulating fluidization-suspension combustion apparatus |
| CN101760268A (en) * | 2010-01-20 | 2010-06-30 | 福州大学 | Biomass coal pulp prepared by water hyacinth and anthracite |
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2012
- 2012-12-12 CN CN201210534434.0A patent/CN103148498B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392912A (en) * | 2008-10-31 | 2009-03-25 | 北京博奇电力科技有限公司 | Fluidized bed incinerator method for organic waste liquid and garbage |
| CN101551108A (en) * | 2009-05-11 | 2009-10-07 | 东南大学 | Incineration treatment method of municipal sludge and device thereof |
| CN201429074Y (en) * | 2009-06-11 | 2010-03-24 | 青岛特利尔水煤浆锅炉有限公司 | Improved coal water slurry circulating fluidization-suspension combustion apparatus |
| CN101760268A (en) * | 2010-01-20 | 2010-06-30 | 福州大学 | Biomass coal pulp prepared by water hyacinth and anthracite |
Non-Patent Citations (1)
| Title |
|---|
| 天津秸秆固化燃料技术现状与应用前景;刘玉华;《资源节约与环保》;20120331(第3期);第41页左栏第1行-第42页右栏倒数第1行 * |
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Address after: Shinan District 266071 Shandong city of Qingdao province Yinchuan road 67, block B Applicant after: QINGDAO CLEAR ENVIRONMENTAL PROTECTION CO.,LTD. Address before: Shinan District 266071 Shandong city of Qingdao province Yinchuan road 67, block B Applicant before: Qingdao Clear Environmental Protection Boiler Engineering Co.,Ltd. |
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Address after: 266000 E402, 403, 67, 69 Yinchuan West Road, Southern District of Qingdao City, Shandong Province Patentee after: QINGDAO CLEAR ENVIRONMENTAL PROTECTION GROUP Co.,Ltd. Address before: 266071 Block B, 67 Yinchuan West Road, Shinan District, Qingdao City, Shandong Province Patentee before: QINGDAO CLEAR ENVIRONMENTAL PROTECTION CO.,LTD. |
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Effective date of registration: 20210209 Address after: 266071 room 402, Block E, No. 67 and 69, Yinchuan West Road, Shinan District, Qingdao City, Shandong Province Patentee after: Qingdao Trier Technology Co.,Ltd. Address before: 266000 E402, 403, 67, 69 Yinchuan West Road, Southern District of Qingdao City, Shandong Province Patentee before: QINGDAO CLEAR ENVIRONMENTAL PROTECTION GROUP Co.,Ltd. |
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Denomination of invention: Circulating fluidized combustion technology of agricultural straw coal water slurry Effective date of registration: 20210520 Granted publication date: 20160309 Pledgee: Haier financial factoring (Chongqing) Co.,Ltd. Pledgor: Qingdao Trier Technology Co.,Ltd. Registration number: Y2021370010023 |
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