CN102199466B - Coal-saving combustion-supporting additive - Google Patents
Coal-saving combustion-supporting additive Download PDFInfo
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- CN102199466B CN102199466B CN 201110100217 CN201110100217A CN102199466B CN 102199466 B CN102199466 B CN 102199466B CN 201110100217 CN201110100217 CN 201110100217 CN 201110100217 A CN201110100217 A CN 201110100217A CN 102199466 B CN102199466 B CN 102199466B
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- 239000000654 additive Substances 0.000 title claims abstract description 43
- 230000000996 additive effect Effects 0.000 title claims abstract description 43
- 239000000843 powder Substances 0.000 claims description 46
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 18
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 12
- 239000004411 aluminium Substances 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 11
- 239000001110 calcium chloride Substances 0.000 claims description 11
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 11
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 11
- 239000000920 calcium hydroxide Substances 0.000 claims description 11
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 11
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 11
- 239000000347 magnesium hydroxide Substances 0.000 claims description 11
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 11
- 239000010451 perlite Substances 0.000 claims description 11
- 235000019362 perlite Nutrition 0.000 claims description 11
- 239000012286 potassium permanganate Substances 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 10
- 229910052788 barium Inorganic materials 0.000 claims description 9
- 229910000616 Ferromanganese Inorganic materials 0.000 claims description 6
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 6
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 6
- 239000003245 coal Substances 0.000 abstract description 57
- 239000003795 chemical substances by application Substances 0.000 abstract description 16
- 238000002485 combustion reaction Methods 0.000 abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000007800 oxidant agent Substances 0.000 abstract description 2
- 230000001590 oxidative effect Effects 0.000 abstract description 2
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 150000001247 metal acetylides Chemical class 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 150000003568 thioethers Chemical class 0.000 abstract 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 11
- SHFGJEQAOUMGJM-UHFFFAOYSA-N dialuminum dipotassium disodium dioxosilane iron(3+) oxocalcium oxomagnesium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Na+].[Na+].[Al+3].[Al+3].[K+].[K+].[Fe+3].[Fe+3].O=[Mg].O=[Ca].O=[Si]=O SHFGJEQAOUMGJM-UHFFFAOYSA-N 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 4
- 150000001342 alkaline earth metals Chemical group 0.000 description 4
- 239000003610 charcoal Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- IXQWNVPHFNLUGD-UHFFFAOYSA-N iron titanium Chemical compound [Ti].[Fe] IXQWNVPHFNLUGD-UHFFFAOYSA-N 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 229910001626 barium chloride Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 206010006895 Cachexia Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- JIAARYAFYJHUJI-UHFFFAOYSA-L Zinc chloride Inorganic materials [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000005049 combustion synthesis Methods 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 208000016318 wasting Diseases 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Abstract
The invention provides a coal-saving combustion-supporting additive which is composed of the following components: 12-18wt% of combustion supporting agent, 35-58wt% of oxidant, 8-22wt% of fluxing agent, 8-20wt% of dispersant, 3-8wt% of sulfur fixing agent and 2-5wt% of carbon fixing agent. The addition of the coal-saving combustion-supporting additive can save coal by 12-18wt% and greatly reduce the discharge of sulfides and carbides.
Description
Technical field
The present invention relates to a kind of fuel combustion additive, more particularly, relate to a kind of coal combustion additive.
Background technology
China's energy up to now, can account for the share more than 70% take coal as main in primary energy source consists of.Along with being on the rise of global energy shortage and environmental pollution, energy-conservation, reduction of discharging has become one of difficult problem that must face in development of all countries economy.The coal of China forms because of extra large land alternating deposit mostly, and sulphur content is generally higher, and after burning, major pollutants discharged have sulfurous gas, soot dust granule thing, oxynitride and carbon monoxide in the atmospheric environment.According to statistics, for a long time, due to coal burn incompletely in various boilers, both caused a large amount of wastings of resources, again serious pollution environment, approximately 90% sulfurous gas and approximately 96% flue dust all directly from coal combustion.As everyone knows, the ultimate analysis of coal shows, the flammable and non-flammable complex material that coal is comprised of multiple elements such as carbon, hydrogen, oxygen, nitrogen, sulphur, phosphorus, and burning of coal is these complex compounds, the physics of mixture complexity, chemical reaction process.When people utilize coal to obtain heat energy in the past, can only be extensive make it at combustion synthesis in air, still can not reasonably utilize with the burning of science, be to cause not only to waste coal resources, but also one of the reason of major polluting atmosphere environment.For this reason, preventing coal-smoke pollution, is the most urgent task of environment protection, and its prevention emphasis is sulfurous gas and the soot dust granule thing in atmosphere; And improve the burning of coal performance, be realize in coal burning energy-conservation, one of major way of reduction of discharging.
It is reported, 2010 national SO
2Quantity discharged is up to more than 2,500 ten thousand tons, NO
XQuantity discharged is estimated as more than 2,000 ten thousand tons, CO, CO
2Quantity discharged is up to more than 5,000 ten thousand tons, and the annual whole nation is because of acid rain, SO
2With CO, CO
2On the financial loss that pollution causes 100,000,000,000 yuan, to acid rain, SO
2, NO
XWith CO, CO
2The control of polluting, the out of stock decarburization technique of desulfurization of countries in the world exploitation at present has into more than hundred kinds of methods, but can be applied to the less than 10% of business, and some is that investment is large, and function is low, and removal effect is poor, and some is to be difficult to exploitation on using.Along with the development of Chinese national economy, the demand of electricity is increased significantly, greatly increased the consumption of coal, discharged a large amount of CO, CO in combustion processes due to coal
2And SO
2, NO
XDeng pollutent, therefore, the cleanburning technology of coal has become the development priority of industry.
The present inventor has developed at a kind of environmentally friendly program additive based on for many years experience and long-term experimental study, and it has also significantly reduced the quantity discharged of sulfide and oxynitride when improving coal combustion efficient.
Summary of the invention
The objective of the invention is for a kind of environmentally friendly coal-saving burning additive is provided, the 12-18wt% that can economize on coal after coal-saving burning additive of the present invention joins in fire coal, and can significantly reduce the discharging of sulfide and carbide.
In order to achieve the above object, the invention provides a kind of coal-saving burning additive, the composition of coal-saving burning additive and proportioning are: ignition dope: 12-18wt%; Oxygenant: 35-58wt%; Fusing assistant: 8-22wt%; Dispersion agent: 8-20wt%; Sulphur-fixing agent: 3-8wt%; Charcoal consolidating agent: 2-5wt%; Wherein, described ignition dope selects in the group of free wood chip, gac, aluminium powder or magnesium powder composition; Described oxygenant selects in the group that the nitrate of free Manganse Dioxide, hypochlorite, permanganate or alkaline-earth metal forms; Described fusing assistant selects in the group of free iron powder, ferrosilicon powder, ferromanganese powder or titanium-iron powder composition; Described dispersion agent selects in the group of free sodium-chlor, Repone K, perlite or slag powders composition; Described sulphur-fixing agent selects in the group that free manganese, zinc, barium or calcium chloride forms; Described charcoal consolidating agent selects in the group that the hydroxides of free alkaline-earth metal forms.
Preferably, ignition dope wherein is gac and aluminium powder, selects the composite burning-point that can further reduce fire coal both.
Preferably, oxygenant wherein is the nitrate of Manganse Dioxide and permanganate or alkaline-earth metal, selection contains the composite process that can further improve oxidizing reaction of Manganse Dioxide, by the katalysis of Manganse Dioxide, can significantly improve the thermo-efficiency of fired coal combustion.
Preferably, fusing assistant wherein is ferromanganese powder or ferrosilicon powder, and the degree of oxidation that fusing assistant wherein can oxidation reinforced dose promotes the abundant burning of the combustiblematerials in fire coal.
Preferably, dispersion agent wherein is sodium-chlor and Repone K, perhaps perlite and slag powders.
Preferably, wherein sulphur-fixing agent is barium and calcium chloride.
Preferably, wherein charcoal consolidating agent is calcium hydroxide and magnesium hydroxide.
Concrete, the composition of coal-saving burning additive of the present invention and proportioning are: gac: the nitrate of 3-12wt%, aluminium powder: 3-9wt%, Manganse Dioxide: 5-12wt%, potassium permanganate: 8-15wt%, alkaline-earth metal: 8-45wt%, iron powder or ferrosilicon powder powder or ferromanganese powder or titanium-iron powder: 8-22wt%, perlite: 3-12wt%, 5-15wt%, barium powder or zinc powder: 2-5wt%, calcium chloride: 1-5wt%, calcium hydroxide: 1-3wt%, magnesium hydroxide: 1-3wt%.
Preferably, the composition of coal-saving burning additive of the present invention and proportioning are: gac: 8wt%, aluminium powder: 4wt%, Manganse Dioxide: 6wt%, potassium permanganate: 10wt%, nitrocalcite: 42wt%, ferromanganese powder: 12wt%, perlite: 6wt%, slag powders: 6wt%, barium powder: 2wt%, calcium chloride: 2wt%, calcium hydroxide: 1wt%, magnesium hydroxide: 1wt%.
Preferably, the composition of coal-saving burning additive of the present invention and proportioning are: gac: 8wt%, aluminium powder: 4wt%, Manganse Dioxide: 6wt%, potassium permanganate: 12wt%, nitrocalcite: 40wt%, ferrosilicon powder: 10wt%, perlite: 8wt%, slag powders: 4wt%, barium powder: 3wt%, calcium chloride: 1wt%, calcium hydroxide: 3wt%, magnesium hydroxide: 1wt%.
Coal-saving burning additive of the present invention can be milled to by the raw material ball of above-mentioned substance the 80-120 order, and then mixing and stirring obtains.
Ignition dope in coal-saving burning additive of the present invention, especially can significantly reduce coal-fired burning-point adding of gac and aluminium powder, the burning of gac and aluminium powder is violent and abundant, thereby has ignited the burning of combustiblematerials in coal, improve efficiency of combustion, also reduced the generation of black smoke.
Oxygenant in coal-saving burning additive of the present invention and fusing assistant, can react under the period in different temperature, by these strong oxidizers, the mixing effect that comprises fusing assistant, make coal-fired after entering burner hearth, be among strong cartalytic decomposition effect, the combustiblematerials sufficient combustion in fire coal, thus reach the purpose that improves efficiency of combustion, saves fire coal.
Dispersion agent in coal-saving burning additive of the present invention, play stabilization in the manufacturing of this product, can suppress the reaction between strong oxidizer, guaranteed the safety in production, transportation, storage and use, and can play bulk effect after entering boiler with coal in the coal seam, make the oxygen in the coal seam supply with abundance, avoided burning because oxygen is not enough insufficient.
Sulphur-fixing agent in coal-saving burning additive of the present invention, generate precipitation with former should reacting with cigarette expellant gas sulfide, particularly adopt the composite of barium powder and calcium chloride, it can react with various gaseous sulfides, thereby has greatly reduced sulphur dioxide emission.
Charcoal consolidating agent in coal-saving burning additive of the present invention, can with CO or CO
2The Formed hydrochlorate that reacts, thus can realize reducing the purpose of carbon emission.
Mix the coal-saving burning additive of 0.2-0.8wt% during use in fire coal.reduced coal-fired point of ignition after adding coal-saving burning additive of the present invention, accelerated burning of coal speed, improve fire box temperature, through test, thermo-efficiency has generally improved 2-5%, and strengthened heat transfer process, impel coal at the boiler furnace stratified combustion, obviously improve the burning subenvironment, strengthened the oxygenizement of coal, emit nascent state oxygen in intensification heat-processed, inflammable gas in the after-flame flue gas and toner suspension have been played keying action, thereby consumption and the oke exhaust blackness of coal have been reduced, ignition dope of the present invention at high temperature decomposes, gasification and generation microexplosion, stir the gas in coal seam and coal seam, make the coal seam of hardening loose, ventilation improves, oxygen is evenly distributed in the coal seam, in liberal supply, it is easy to make coal to disperse, surfactivity increases, increase with the contact area of oxygen, be beneficial to the abundant burning of coal dust, through test, add ignition dope of the present invention in fire coal, can save the fire coal of 12-18%.
Embodiment
Below in conjunction with specific embodiment, the present invention is further elaborated.
Embodiment 1
The composition of coal-saving burning additive of the present invention and proportioning are: gac: 8wt%, magnesium powder: 4wt%, clorox: 6wt%, potassium permanganate: 10wt%, nitrocalcite: 42wt%, iron powder: 12wt%, perlite: 6wt%, slag powders: 6wt%, barium powder: 2wt%, calcium chloride: 2wt%, calcium hydroxide: 1wt%, magnesium hydroxide: 1wt%.
Embodiment 2
The composition of coal-saving burning additive of the present invention and proportioning are: wood chip: 6wt%, magnesium powder: 6wt%, clorox: 10wt%, potassium permanganate: 12wt%, nitrocalcite: 36wt%, iron powder: 12wt%, perlite: 6wt%, slag powders: 6wt%, zinc powder: 1wt%, calcium chloride: 1wt%, calcium hydroxide: 2wt%, magnesium hydroxide: 2wt%.
Embodiment 3
The composition of coal-saving burning additive of the present invention and proportioning are: wood chip: 8wt%, magnesium powder: 4wt%, clorox: 10wt%, potassium permanganate: 12wt%, nitrocalcite: 36wt%, iron powder: 12wt%, sodium-chlor: 6wt%, Repone K: 6wt%, manganese powder: 4wt%, calcium hydroxide: 2wt%.
Embodiment 4
The composition of coal-saving burning additive of the present invention and proportioning are: wood chip: 5wt%, magnesium powder: 7wt%, clorox: 10wt%, potassium permanganate: 10wt%, nitrocalcite: 38wt%, titanium-iron powder: 12wt%, sodium-chlor: 8wt%, Repone K: 4wt%, manganese powder: 3wt%, magnesium hydroxide: 3wt%.
Embodiment 5
The composition of coal-saving burning additive of the present invention and proportioning are: gac: 8wt%, aluminium powder: 4wt%, Manganse Dioxide: 6wt%, potassium permanganate: 10wt%, nitrocalcite: 42wt%, ferromanganese powder: 12wt%, perlite: 6wt%, slag powders: 6wt%, barium powder: 2wt%, calcium chloride: 2wt%, calcium hydroxide: 1wt%, magnesium hydroxide: 1wt%.
Embodiment 6
The composition of coal-saving burning additive of the present invention and proportioning are: gac: 8wt%, aluminium powder: 4wt%, Manganse Dioxide: 6wt%, potassium permanganate: 12wt%, nitrocalcite: 40wt%, ferrosilicon powder: 10wt%, perlite: 8wt%, slag powders: 4wt%, barium powder: 3wt%, calcium chloride: 1wt%, calcium hydroxide: 3wt%, magnesium hydroxide: 1wt%.
The described coal-saving burning additive of embodiment 1-6 is mixed in fire coal in the ratio of the 0.2-0.8wt% of coal consumption, first with after 5-15 water dilution dissolving doubly, then mixes in coal and stir during use, coal-fired need with how many these additives namely dilute dissolving what; How many water ratio of visual coal regulates moisture in coal, and as the higher water consumption that can reduce in right amount the dilution solubilising additive of water ratio of coal, after generally this additive infiltrates, the water ratio of coal remains on about 8-10wt% best; Also can directly mix described coal-saving burning additive in coal and stir use.
With the coal-saving burning additive that above embodiment obtains, the burning contrast test by coal firing boiler can draw following result:
(1) thermal efficiency ratio that is added with coal-saving burning additive has improved 8.2-15wt% than the thermo-efficiency that adds, and particularly preferred embodiment 5-6, improved 13-15wt%.
(2) be added with the coal combustion of coal-saving burning additive abundant, the combustiblematerials after burning in the ash quarrel is lower than the combustiblematerials in the ash quarrel of the fire coal that does not add additive.
(3) coal that is added with coal-saving burning additive is than raw coal unit consumption descended 7-15wt%, particularly preferred embodiment 5-6, and 13-15wt% has descended.
(4) coal that is added with coal-saving burning additive has reduced 30-60wt% than the gas vulcanization compound of raw coal, preferred embodiment 5-6 particularly, and 50-60wt% has descended.
(5) more than the coal that is added with coal-saving burning additive has reduced 75wt% than the soot dust granule thing of raw coal.
Claims (2)
1. a coal-saving burning additive, is characterized in that the composition of described coal-saving burning additive and proportioning are: gac: 8wt%, aluminium powder: 4wt%, Manganse Dioxide: 6wt%, potassium permanganate: 10wt%, nitrocalcite: 42wt%, ferromanganese powder: 12wt%, perlite: 6wt%, slag powders: 6wt%, barium powder: 2wt%, calcium chloride: 2wt%, calcium hydroxide: 1wt%, magnesium hydroxide: 1wt%.
2. a coal-saving burning additive, is characterized in that the composition of described coal-saving burning additive and proportioning are: gac: 8wt%, aluminium powder: 4wt%, Manganse Dioxide: 6wt%, potassium permanganate: 12wt%, nitrocalcite: 40wt%, ferrosilicon powder: 10wt%, perlite: 8wt%, slag powders: 4wt%, barium powder: 3wt%, calcium chloride: 1wt%, calcium hydroxide: 3wt%, magnesium hydroxide: 1wt%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110100217 CN102199466B (en) | 2011-04-21 | 2011-04-21 | Coal-saving combustion-supporting additive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110100217 CN102199466B (en) | 2011-04-21 | 2011-04-21 | Coal-saving combustion-supporting additive |
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| CN102199466A CN102199466A (en) | 2011-09-28 |
| CN102199466B true CN102199466B (en) | 2013-06-12 |
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| CN 201110100217 Expired - Fee Related CN102199466B (en) | 2011-04-21 | 2011-04-21 | Coal-saving combustion-supporting additive |
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