CN105001936A - Special biomass composite fuel for thermal oil furnace - Google Patents
Special biomass composite fuel for thermal oil furnace Download PDFInfo
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- CN105001936A CN105001936A CN201510519392.7A CN201510519392A CN105001936A CN 105001936 A CN105001936 A CN 105001936A CN 201510519392 A CN201510519392 A CN 201510519392A CN 105001936 A CN105001936 A CN 105001936A
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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
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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
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The invention belongs to the field of new energy techniques, in particular to special biomass composite fuel for a thermal oil furnace. The special biomass composite fuel comprises substances in parts by weight as follows: 30-50 parts of ligneous plant straw, 15-25 parts of herbaceous plant straw, 30-50 parts of raw coal with a calorific value of 4,500 kilocalorie, 1 part of a combustion improver and 10-20 parts of water, wherein the medium-low-quality low-sulfur raw coal is ground into 80% of powder with a particle size of 3mm and 20% of powder with a particle size of 5 mm in mass; the straw is processed into straw segments with a length of 1-3 cm. The special biomass composite fuel has the benefits as follows: the boiler thermal efficiency can be higher than 10% after the fuel is combusted, emission of CO (carbon monoxide) and CO2 (carbon dioxide) is reduced by more than 40%, emission of SO2 (sulfur dioxide) is reduced by more than 60%, the carbon content of coal slag is reduced by more than 70%, and emission of NO (nitric oxide) is reduced by more than 20%.
Description
Technical field
The invention belongs to technical field of new energies, especially plant the special composite biomass fuel of heat-conducting oil furnace.
Technical background
Economic fast development, makes to surge to the demand of the energy.Issue according to authority, within 2014, the disposable coal consumption of China is 5,200,000,000 tons, amounts to into standard coal and reaches 4,200,000,000 tons.So large consumption also just causes a large amount of atmospheric pollutions simultaneously.According to statistics, the source of atmospheric pollution of China mainly still carrys out spontaneous combustion coal.Therefore, reduce fossil energy---the consumption of coal, reduce topsoil and just put in one of top priority of current governmental policy.
Biomass energy is one of the whole world three large renewable energy sources (first two is wind energy and sun power) at present.Because of China or developing country, the utilization of front two renewable energy sources is high to technical requirements, and resource input amount is large, at present can't spread in China.And China vast territory and abundant resources, biomass storage is enriched, but is not mostly utilized.Annual China plant refuse (comprises agricultural crop straw according to statistics, wood machining residues, forest finishing residuum, the dregs of a decoction, schlempe etc.) there are nearly 1,300,000,000 tons, wherein only have 1/5 to be utilized, all the other major parts go out of use (on-site incineration, also field, as waste disposal etc.).
This waste is become the energy with alternative fossil energy by the art of this patent exactly.Like this, fossil energy can be saved and greatly can reduce atmospheric pollution again.Because do not discharge carbon monoxide (CO) and carbonic acid gas (CO2) during combustion of wood, and also not sulfur-bearing itself, therefore during burning, sulfurous gas (SO2) discharges almost nil.In addition, because its thermal value is low, during burning, temperature is also low than fossil energy, and therefore oxynitride (NO) discharge is also very low.As proper in processed, scientific utilization, biomass can be good clean energies as fuel.And its burning after lime-ash or the fertilizer of high-quality.
The composite biomass fuel that a kind of heat-conducting oil furnace of product of the present invention is special, said heat-conducting oil furnace, this kind of type of furnace uses at some specific industries, because operating temperature requirements is high, need reach 150 degree to 200 degree.The boiling point of water only has 100 degree, does not reach the temperature needed for production.And the boiling point of oil is 320 degree, the temperature needed for product so just can be reached.The processing that this boiler is mainly used in the product such as rubber, plastics uses.But the product produced due to the industry is in batch scarcely, so without the need to large-sized boiler heat supply.Therefore be all small water heater with heat-transfer oil, combustion conditions is generally bad, and disposal of pollutants is serious.Example: Hengshui, Hebei, Xingtai, Cangzhou, Baoding one are with this type of industry a lot, and south also has.Only just have an appointment this type of industry of more than 500 families in ground, Hengshui one.Therefore the haze weather of Hengshui Prefecture can say there are much relations therewith, is badly in need of administering.
Summary of the invention
Technical problem to be solved by this invention is the composite biomass fuel providing a kind of heat-conducting oil furnace special, and concrete technical scheme is:
The composite biomass fuel that heat-conducting oil furnace is special, wherein,
The present invention aims at this stove and prepares a kind of composite type fuel for it, obviously can reduce pollutant emission, and saves a large amount of high-grade energy.
According to weight ratio, use 30-50 part xylophyta stalk, 15-25 part herbaceous plant stalk, 30-50 part raw coal (4500 kilocalorie thermal value), 1 portion of ignition dope, additional 10-20 part water.
Preferably, according to weight ratio, 40 parts of xylophyta stalks, 20 parts of herbaceous plant stalks, 40 parts of raw coal (4500 kilocalorie thermal value), 1 portion of ignition dope, additional 15 parts of water.
Stalks etc. are crushed to the granularity of 1.5-2.5mm, and raw coal is ground into 2.5-3.5mm.
Shape is preferably 40mm × 60mm or 50mm × 70mm.This is an inventive point of the present invention, and contriver just determines the size of this moulded coal through long-term experiment, and this is because oil temperature lowering speed is comparatively slow, can cease fire, keep temperature after reaching working temperature.Be down to after below 150 degree when oil temperature and light a fire again.Originally this stove generally uses the high-quality lump coal of more than 5000 kilocalorie thermal values, heats up very fast, very easily seethes with excitement.Once boiling need enter reserve tank hot oil pump, and add cold oil to control oil temperature at about 200 degree.Both waste fuel like this, increase the workload that cost strengthens again fireman.And the type fuel that the art of this patent is produced can be accomplished soon on fire, but heat-up rate is so not fast, can grasp, and keep oil temperature to meet need of work.For reaching the object controlling oil temperature, this kind of fuel does not need too high thermal value, and configuration is out well suited for this stove afterwards and uses.And greatly reduce pollutant emission, save enterprise cost.The thermal value of coal is higher, and fixed carbon content is higher, and during burning, carbon emission is more.
Product of the present invention is a kind of moulded coal having shape, its finished product profile is the same with flat burning formula boiler all will extrude by extrusion type forming machine the round shaped grain type fuel or 40 × 60mm rectangle patch fuel that final molding is a kind of 30mm diameter, the variform fuel that can also match for it according to the difference change die production of stove shape.
Wherein, described ignition dope is: one or several mixing in Virahol, isopropylcarbinol, primary isoamyl alcohol, propyl carbinol or organic nitrates compound, wherein, preferably, also be added with: Viscotrol C or biofuel, adding proportion is the 10-20% of the weight of ignition dope.
Wherein, preferably, the treatment process of crushing straw:
By the stalk that crushes and the diluted mineral acid aqueous solution (inorganic acid solution of preferred 1-10%), (preferably 1 than 0.5-2) adds hydrolysis kettle by a certain percentage, is back hydrolysis 3 hours under the condition of 100 DEG C, filters in temperature, obtain the solid matter after filtering, for subsequent use;
Again according to following part by weight proportioning: the solid matter 20-50(water content after filtration is lower than 10%), phenol or multicomponent alcoholics compound 5 ~ 10, an acidic catalyst 0.5 ~ 2;
Wherein, described phenolic compound is: phenol, o-cresol, a sylvan, ortho chloro phenol, o-NP, Resorcinol or Resorcinol; Described multicomponent alcoholics compound is: ethylene glycol, polyoxyethylene glycol or glycerol, and wherein the molecular weight of polyoxyethylene glycol is 400 ~ 1000;
Described an acidic catalyst is mineral acid or organic acid, and mineral acid is the one in hydrochloric acid, nitric acid, sulfuric acid, phosphoric acid; Organic acid is the one in Phenylsulfonic acid, oxalic acid, vinylformic acid, Whitfield's ointment, formic acid, acetic acid, propionic acid, and the concentration that an acidic catalyst uses is 30 ~ 98%;
Processing step: mixture is joined in reactor by proportioning, preheating after 10 ~ 30 minutes at 80 ~ 200 DEG C of temperature after being uniformly mixed, add acid catalyst and react 30 ~ 240 minutes at this temperature, react complete and carry out washing, neutralize, filter and dry and in faint yellow-yellow-light brown to dark brown solid, must namely obtain the stalk handled well of the present invention.
Wherein, content of cellulose 64.0 ~ 70.0%, content of lignin 4.1 ~ 7.6%;
Described washing is with organic solvent: methyl alcohol, ethanol, Virahol, butanols, acetone or ethyl acetate wash out the material of low viscous solution sample;
Described neutralization is that methyl alcohol, ethanol, Virahol, butanols, acetone or the ethyl acetate solution with sodium hydroxide, magnesium hydroxide, calcium hydroxide is neutralized to neutrality.
Wherein, preferably, the treatment process of coal dust is as follows: small coal is processed into coal dust; Be coal dust in mass ratio: emulsification coal tar: water: water-soluble binder: lubricant is (30-50): (25-28): (5-30): (2-5): (2-3), is added in kneader and stirs, make plastic coal slime; Plasticity-coal slime, through vacuum deairing machine or extrusion shaping machine process, makes coal slime mix, and then in forming machine, removes large particulate matters by 60 to 100 object silk screen filter; Wet honeycomb is dried to moisture lower than 2%; Using rare gas element as protection gas, be heated to 600-800 DEG C by heat-up rate 3-5 DEG C/min, and carbonize 2-3 hour at this temperature; Then be warmed up to 750-850 DEG C by heat-up rate 5-15 DEG C/min, with steam activation 3-15 hour, after process, obtain coal dust.
The advantage of product of the present invention is as follows: fuel can reach after combustion and improve boiler thermal output more than 10%, and reduce CO, CO2 and discharge more than 40%, SO2 discharge reduction by more than 60%, cinder carbon content reduces by more than 70%, NO and discharges reduction by more than 20%.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in more detail.
Embodiment 1
The composite biomass fuel that heat-conducting oil furnace is special, wherein, by following material by weight proportioning stir after leave standstill two hours gained: 50 parts of xylophyta stalks, 25 parts of herbaceous plant stalks, 50 parts of raw coal (4500 kilocalorie thermal value), 1 portion of ignition dope, additional 20 parts of water;
Wherein, stalk etc. are crushed to the granularity of 2.5mm, and raw coal is ground into 3.5mm.
Wherein, described ignition dope is: Virahol, wherein, preferably, is also added with: biofuel, and adding proportion is 10% of the weight of ignition dope.
Wherein, preferably, the treatment process of crushing straw:
By the stalk that crushes and the diluted mineral acid aqueous solution (preferably the inorganic acid solution of 10%), (preferably 1 to 2) adds hydrolysis kettle by a certain percentage, is back hydrolysis 3 hours under the condition of 100 DEG C, filters, obtain the solid matter after filtering in temperature, for subsequent use;
Again according to following part by weight proportioning: the solid matter 50(water content after filtration is lower than 10%), multicomponent alcoholics compound 10, an acidic catalyst 2;
Wherein, described multicomponent alcoholics compound is: glycerol;
Described an acidic catalyst is propionic acid, and the concentration that an acidic catalyst uses is 30%;
Processing step: mixture is joined in reactor by proportioning, preheating after 30 minutes at 80 DEG C of temperature after being uniformly mixed, add acid catalyst and react 240 minutes at this temperature, react complete and carry out washing, neutralize, filter and dry and in faint yellow-yellow-light brown to dark brown solid, must namely obtain the stalk handled well of the present invention.
Wherein, content of cellulose 64.0 ~ 70.0%, content of lignin 4.1 ~ 7.6%;
Described washing is for using organic solvent: methyl alcohol;
Sodium hydroxide is used in described neutralization.
Wherein, preferably, the treatment process of coal dust is as follows: small coal is processed into coal dust; Be coal dust in mass ratio: emulsification coal tar: water: water-soluble binder: lubricant is 30:25:30:5:3, is added in kneader and stir, and makes plastic coal slime; Plasticity-coal slime, through vacuum deairing machine or extrusion shaping machine process, makes coal slime mix, and then in forming machine, removes large particulate matters by 60 to 100 object silk screen filter; Wet honeycomb is dried to moisture lower than 2%; Using rare gas element as protection gas, be heated to 600 DEG C by heat-up rate 3-5 DEG C/min, and carbonize 3 hours at this temperature; Then be warmed up to 750 DEG C by heat-up rate 5 DEG C/min, with steam activation 3 hours, after process, obtain coal dust.
Embodiment 2
The composite biomass fuel that heat-conducting oil furnace is special, wherein, by following material by weight proportioning stir after leave standstill two to three hour gained: 30 parts of xylophyta stalks, 15 parts of herbaceous plant stalks, 30 parts of raw coal (4500 kilocalorie thermal value), 1 portion of ignition dope, additional 10 parts of water;
Wherein, stalk etc. are crushed to the granularity of 1.5mm, and raw coal is ground into 2.5mm.
Wherein, described ignition dope is: propyl carbinol; Also be added with: Viscotrol C, adding proportion is 20% of the weight of ignition dope.
Wherein, preferably, the treatment process of crushing straw:
By the stalk that crushes and the diluted mineral acid aqueous solution (preferably the inorganic acid solution of 1%), (preferably 1 to 0.5) adds hydrolysis kettle by a certain percentage, is back hydrolysis 3 hours under the condition of 100 DEG C, filters, obtain the solid matter after filtering in temperature, for subsequent use;
Again according to following part by weight proportioning: the solid matter 20(water content after filtration is lower than 10%), phenol 5, an acidic catalyst 0.5;
Wherein, described phenolic compound is: phenol;
Described an acidic catalyst is oxalic acid, and the concentration that an acidic catalyst uses is 98%;
Processing step: mixture is joined in reactor by proportioning, preheating after 10 ~ 30 minutes at 80 ~ 200 DEG C of temperature after being uniformly mixed, add acid catalyst and react 30 ~ 240 minutes at this temperature, react complete and carry out washing, neutralize, filter and dry and in faint yellow-yellow-light brown to dark brown solid, must namely obtain the stalk handled well of the present invention.
Wherein, content of cellulose 64.0 ~ 70.0%, content of lignin 4.1 ~ 7.6%;
Described washing is with organic solvent: ethyl acetate washes out the material of low viscous solution sample;
Described neutralization is neutralized to neutrality with magnesium hydroxide.
Wherein, preferably, the treatment process of coal dust is as follows: small coal is processed into coal dust; Be coal dust in mass ratio: emulsification coal tar: water: water-soluble binder: lubricant is 40:26:20:4:2.5, is added in kneader and stir, and makes plastic coal slime; Plasticity-coal slime, through vacuum deairing machine or extrusion shaping machine process, makes coal slime mix, and then in forming machine, removes large particulate matters by 60 to 100 object silk screen filter; Wet honeycomb is dried to moisture lower than 2%; Using rare gas element as protection gas, be heated to 700 DEG C by heat-up rate 5 DEG C/min, and carbonize 3 hours at this temperature; Then be warmed up to 800 DEG C by heat-up rate 15 DEG C/min, with steam activation 15 hours, after process, obtain coal dust.
Embodiment 3
The composite biomass fuel that heat-conducting oil furnace is special, wherein, by following material by weight proportioning stir after leave standstill two hours gained: 50 parts of xylophyta stalks, 15 parts of herbaceous plant stalks, 50 parts of raw coal (4500 kilocalorie thermal value), 1 portion of ignition dope, additional 10 parts of water;
Wherein, stalk etc. are crushed to the granularity of 1.5mm, and raw coal is ground into 2.5mm.
Embodiment 4
The composite biomass fuel that heat-conducting oil furnace is special, wherein, by following material by weight proportioning stir after leave standstill two hours gained: 30-50 part xylophyta stalk, 15-25 part herbaceous plant stalk, 30-50 part raw coal (4500 kilocalorie thermal value), 1 portion of ignition dope, additional 10-20 part water;
Wherein, stalk etc. are crushed to the granularity of 1.5mm, and raw coal is ground into 3.5mm.
Embodiment 5
The composite biomass fuel that heat-conducting oil furnace is special, wherein, by following material by weight proportioning stir after leave standstill two hours gained: 30 parts of xylophyta stalks, 25 parts of herbaceous plant stalks, 30 parts of raw coal (4500 kilocalorie thermal value), 1 portion of ignition dope, additional 20 parts of water;
Wherein, stalk etc. are crushed to the granularity of 2.5mm, and raw coal is ground into 2.5mm.
Embodiment 6
The composite biomass fuel that heat-conducting oil furnace is special, wherein, by following material by weight proportioning stir after leave standstill two hours gained: 50 parts of xylophyta stalks, 25 parts of herbaceous plant stalks, 30 parts of raw coal (4500 kilocalorie thermal value), 1 portion of ignition dope, additional 10 parts of water;
Wherein, stalk etc. are crushed to the granularity of 2.5mm, and raw coal is ground into 2.5mm.
Embodiment 7
The composite biomass fuel that heat-conducting oil furnace is special, wherein, by following material by weight proportioning stir after leave standstill two hours gained: 30 parts of xylophyta stalks, 15 parts of herbaceous plant stalks, 50 parts of raw coal (4500 kilocalorie thermal value), 1 portion of ignition dope, additional 20 parts of water;
Wherein, stalk etc. are crushed to the granularity of 1.5mm, and raw coal is ground into 3.5mm.
Above-mentioned exemplary embodiment to be described, to should not be construed as and limit the invention.Although disclosed multiple exemplary embodiment, those skilled in the art have been readily appreciated that various deformation possible in exemplary embodiment, and inherently do not depart from novel teachings of the present invention and advantage.Therefore, being included in the scope of the present invention that claim defines of all these Amoebidas.Be understandable that, aforementioned is explanation to various exemplary embodiment, and be not the specific embodiments of limit publicity, the distortion of disclosed embodiment and other exemplary embodiment, object is contained in the scope of claims.
Claims (5)
1. the composite biomass fuel that heat-conducting oil furnace is special, is characterized in that, by following material proportioning 30-50 part xylophyta stalk by weight, 15-25 part herbaceous plant stalk, 30-50 part raw coal (4500 kilocalorie thermal value), 1 portion of ignition dope, additional 10-20 part water;
Wherein, stalk etc. are crushed to the granularity of 1.5-2.5mm, and raw coal is ground into 2.5-3.5mm.
2. the composite biomass fuel that heat-conducting oil furnace according to claim 1 is special, is characterized in that, preferably, and 40 parts of xylophyta stalks, 20 parts of herbaceous plant stalks, 40 parts of raw coal (4500 kilocalorie thermal value), 1 portion of ignition dope, additional 15 parts of water.
3. the composite biomass fuel that heat-conducting oil furnace according to claim 1 is special, is characterized in that, the treatment process of described raw coal powder is as follows:
Preferably, the treatment process of crushing straw:
By the stalk that crushes and the diluted mineral acid aqueous solution (inorganic acid solution of preferred 1-10%), (preferably 1 than 0.5-2) adds hydrolysis kettle by a certain percentage, is back hydrolysis 3 hours under the condition of 100 DEG C, filters in temperature, obtain the solid matter after filtering, for subsequent use;
Again according to following part by weight proportioning: the solid matter 20-50(water content after filtration is lower than 10%), phenol or multicomponent alcoholics compound 5 ~ 10, an acidic catalyst 0.5 ~ 2;
Processing step: mixture is joined in reactor by proportioning, preheating after 10 ~ 30 minutes at 80 ~ 200 DEG C of temperature after being uniformly mixed, add acid catalyst and react 30 ~ 240 minutes at this temperature, react complete and carry out washing, neutralize, filter and dry and in faint yellow-yellow-light brown to dark brown solid, must namely obtain the stalk handled well of the present invention.
4. the composite biomass fuel that heat-conducting oil furnace according to claim 3 is special, is characterized in that, wherein, described phenolic compound is: phenol, o-cresol, a sylvan, ortho chloro phenol, o-NP, Resorcinol or Resorcinol; Described multicomponent alcoholics compound is: ethylene glycol, polyoxyethylene glycol or glycerol, and wherein the molecular weight of polyoxyethylene glycol is 400 ~ 1000.
5. the composite biomass fuel that heat-conducting oil furnace according to claim 3 is special, is characterized in that, described an acidic catalyst is mineral acid or organic acid, and mineral acid is the one in hydrochloric acid, nitric acid, sulfuric acid, phosphoric acid; Organic acid is the one in Phenylsulfonic acid, oxalic acid, vinylformic acid, Whitfield's ointment, formic acid, acetic acid, propionic acid, and the concentration that an acidic catalyst uses is 30 ~ 98%.
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| CN201510519392.7A CN105001936A (en) | 2015-08-24 | 2015-08-24 | Special biomass composite fuel for thermal oil furnace |
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| CN201510519392.7A CN105001936A (en) | 2015-08-24 | 2015-08-24 | Special biomass composite fuel for thermal oil furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106244252A (en) * | 2016-08-19 | 2016-12-21 | 桂林福冈新材料有限公司 | A kind of biological new energy fuel |
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| CN101768494A (en) * | 2010-03-09 | 2010-07-07 | 中国科学院过程工程研究所 | Straw densification briquetting fuel preparation method for biomass power generation and boiler combustion |
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