CN103060052A - Liquid combustion-supporting sulfur-fixing coal additive and using method thereof - Google Patents
Liquid combustion-supporting sulfur-fixing coal additive and using method thereof Download PDFInfo
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- CN103060052A CN103060052A CN2011103240179A CN201110324017A CN103060052A CN 103060052 A CN103060052 A CN 103060052A CN 2011103240179 A CN2011103240179 A CN 2011103240179A CN 201110324017 A CN201110324017 A CN 201110324017A CN 103060052 A CN103060052 A CN 103060052A
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- combustion
- fire coal
- coal
- solid sulfide
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- 239000003245 coal Substances 0.000 title claims abstract description 115
- 239000000654 additive Substances 0.000 title claims abstract description 114
- 230000000996 additive effect Effects 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 title claims abstract description 16
- 238000002485 combustion reaction Methods 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims description 59
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 56
- 239000000203 mixture Substances 0.000 claims description 25
- 239000007921 spray Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 229910052717 sulfur Inorganic materials 0.000 abstract description 7
- 239000011593 sulfur Substances 0.000 abstract description 7
- 239000002904 solvent Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- JLDSOYXADOWAKB-UHFFFAOYSA-N aluminium nitrate Chemical compound [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 abstract 2
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 abstract 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 abstract 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 abstract 2
- 229910019501 NaVO3 Inorganic materials 0.000 abstract 1
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(III) nitrate Inorganic materials [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 abstract 1
- 235000010333 potassium nitrate Nutrition 0.000 abstract 1
- 239000012286 potassium permanganate Substances 0.000 abstract 1
- CMZUMMUJMWNLFH-UHFFFAOYSA-N sodium metavanadate Chemical compound [Na+].[O-][V](=O)=O CMZUMMUJMWNLFH-UHFFFAOYSA-N 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000002817 coal dust Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 3
- 239000010883 coal ash Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- -1 KMnO 4 Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
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- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a liquid combustion-supporting sulfur-fixing coal additive and a using method of the additive; the liquid combustion-supporting sulfur-fixing coal additive comprises the following components in percentage by weight: 3-7.5% of KMnO4, 3-8% of Cu(NO3)2, 2-7.5% of Fe(NO3)3, 8-18% of Ca(NO3)2, 3.5-6% of Al(NO3)3, 8-18% of KNO3, 0.5-2.5% of NaVO3, and the balance of H2O. The liquid combustion-supporting sulfur-fixing coal additive provided by the invention uses water as a solvent and each component is at an ionic state, has relatively high reaction activity at a high temperature and has high combustion efficiency and an excellent sulfur fixing effect, and the sulfur fixing efficiency is more than 40%.
Description
Technical field
The present invention relates to the coal combustion technology field, particularly a kind of liquid combustion-supporting solid sulfide additive for fire coal and using method thereof.
Background technology
Additive for fire coal is a kind of chemical agent that makes an addition in the coal, formed by one or more materials, be generally pressed powder or liquid, wherein, the effect of perfect combustion catalyzer mainly is the perfect combustion that promotes coal, improve the burnout rate of coal, the effect of additive for sulfur capture mainly is the SO that reduces in the coal combustion process
2Generate concentration.
For additive for fire coal, the compositions such as the alkaline earth metal oxide of containing are arranged, with the SO of coal combustion generation in the prior art
3Effect generates vitriol, plays the effect of solid sulphur.Decomposition reaction can occur in the additive for sulfur capture that uses in the prior art, the vitriol that generates after the reaction after coal-fired combustion equipment reaches certain temperature, desulfurization efficiency is significantly reduced, so sweetening effectiveness is not remarkable.
In the combustion-supporting composition in the additive for fire coal, generally contain chlorine element, carbon, under high temperature action, easily generate HCl, CO
2Deng gas, HCl gas can cause corrosion to combustion equipment, and the CO that produces
2Gas will increase the CO of whole firing system
2Quantity discharged causes extra environmental pollution, and the combustion-supporting effect of existing additive for fire coal is not remarkable.
Summary of the invention
The object of the invention is to overcome above shortcoming, provide that a kind of desulfurization efficiency is high, combustion-supporting effect good, and liquid combustion-supporting solid sulfide additive for fire coal and using method thereof that combustion equipment and environment are not had a negative impact.
Technical scheme of the present invention is:
A kind of liquid combustion-supporting solid sulfide additive for fire coal, the composition of described combustion-supporting solid sulfide additive for fire coal and the weight percent of each composition are respectively: KMnO
4: 3-7.5%; Cu (NO
3)
2: 3-8%; Fe (NO
3)
3: 2-7.5%; Ca (NO
3)
2: 8-18%; Al (NO
3)
3: 3.5-6%; KNO
3: 8-18%; NaVO
3: 0.5-2.5%; H
2O: surplus.
Further, the weight percent of the composition of described combustion-supporting solid sulfide additive for fire coal and each composition is respectively: KMnO
4: 3-5%; Cu (NO
3)
2: 5.5-8%; Fe (NO
3)
3: 2-5%; Ca (NO
3)
2: 14-18%; Al (NO
3)
3: 3.5-4%; KNO
3: 8-15%; NaVO
3: 1.5-2.5%; H
2O: surplus.
Further, the weight percent of the composition of described combustion-supporting solid sulfide additive for fire coal and each composition is respectively: KMnO
4: 5-7.5%; Cu (NO
3)
2: 3-5%; Fe (NO
3)
3: 4-7.5%; Ca (NO
3)
2: 8-14%; Al (NO
3)
3: 5-6%; KNO
3: 14-18%; NaVO
3: 0.5-1.5%; H
2O: surplus.
A kind of using method of above-mentioned liquid combustion-supporting solid sulfide additive for fire coal, the step of described using method is as follows:
A, above-mentioned combustion-supporting solid sulfide additive for fire coal is mixed in proportion, stirs, be heated to 40-60 ℃;
B, cooled combustion-supporting solid sulfide additive for fire coal mixture, to burner hearth, described compressed-air actuated pressure is 0.3-0.7MPa by blast injection.
Further, the spray regime of described additive for fire coal is intermittent type, and the described intermittent time is 2-10min, and described each injecting time is 10-30s.
Further, the spray site of described additive is arranged on the peephole place of coal combustion equipment.
Combustion-supporting additive for fire coal provided by the invention has following advantage:
1, the combustion-supporting effect of additive for fire coal is good.In the additive, KMnO
4, Cu (NO
3)
2, Fe (NO
3)
3At high temperature decompose and generate MnO
2, CuO, Fe
2O
3,, the oxide compound that decompose to produce as catalyzer can the catalysis Macromolecule in coal decarburizing reaction, make the Volatile in the coal, while is as the carrier of oxygen, oxidation and reduction reaction constantly occur, for the volatile matter of separating out and the fixed carbon of formation provide active oxygen, thereby make the burning of volatile matter and fixed carbon more abundant.
In the combustion-supporting additive for fire coal, KMnO
4, Cu (NO
3)
2, Fe (NO
3)
3, Ca (NO
3)
2, KNO
3At high temperature can decompose and generate active oxygen, for coal combustion provides oxygen, the generation of gas makes the fixed carbon particle keep the state of bulk multi-hole, has increased the contact area of fixed carbon and oxygen, sufficient combustion.
NaVO in the additive
3At high temperature decompose, generate the V that possesses strong catalytic
2O
5, the oxygen transfer reaction of energy accelerating oxidation thing improves combustion rate.
As solvent, each component is ionic condition to additive for fire coal with water, at high temperature has stronger reactive behavior; And each composition in the additive makes up, and can promote decarburization, the scission reaction of coal, and the abundant burning of volatile matter and fixed carbon, improves burning of coal efficient, and 4-10% economizes on coal.
2, desulfurization efficiency is high.Fe (NO in the additive for fire coal
3)
3Under hot conditions, decompose and generate Fe
2O
3, as catalyzer, promoted the SO that coal combustion produces
2To SO
3Conversion; Ca (NO in the additive
3)
2At high temperature decompose generation CaO, further with SO
3In conjunction with generating CaSO
4Al (NO
3)
3Decompose under the high temperature and generate Al
2O
3, with CaSO
4Further generate the infusibility salt in vitriol, the SiO in the coal ash
2Composition can form the silicates material, is the glass melting shape under hot conditions, and the vitriol parcel with alkaline-earth metal generates suppresses its decomposition, thereby reduces SO
2Quantity discharged.
NaVO
3At high temperature can decompose and generate the V that possesses strong catalytic
2O
5But, catalysis coal ash neutral and alkali material and SO
2Reaction forms the difficult compound that decomposes, and strengthens captured sulfur result, and after testing, the sulfur-fixing rate of coal combustion and sulfur fixation perfect combustion catalyzer provided by the invention reaches more than 40%.
3, combustion equipment and environment are not had a negative impact.In the additive for fire coal, except KMnO
4, NaVO
3, be the nitrate material outward, additive for fire coal behind pyrolytic decomposition, the NO of generation
XWith fixed carbon or reaction of carbon monoxide, generate N
2, be discharged in the atmosphere, environment is not produced any impact.
4, combustion-supporting additive for fire coal usage quantity is few, and cost is low.Various materials in the combustion-supporting additive for fire coal interact in combustion-supporting, solid sulphur process, and utilization ratio is high, additive combustion-supporting, captured sulfur result is obvious, and the NaVO in the additive
3Can promote alkaline matter and SO in the coal ash
2Reaction has reduced the content of solid sulphur component, and the consumption of additive reduces, usage quantity be only coal consumption 2/10000ths to 5/10000ths, compared with prior art, usage quantity reduces greatly, has saved the input cost of additive for fire coal.
Embodiment
Below in conjunction with embodiment technical solution of the present invention is done further detailed description, but embodiments of the present invention are not limited to this.
Embodiment 1
The component of combustion-supporting solid sulfide additive for fire coal and the weight percent of each component are (gross weight is 1000g):
| Component | KMnO 4 | Cu(NO 3) 2 | Fe(NO 3) 3 | Ca(NO 3) 2 | Al(NO 3) 3 | KNO 3 | NaVO 3 | H 2O |
| Weight | 30 | 55 | 50 | 180 | 35 | 150 | 15 | 485 |
| Weight percent (%) | 3 | 5.5 | 5 | 18 | 3.5 | 15 | 1.5 | 48.5 |
The using method step of combustion-supporting solid sulfide additive for fire coal is as follows:
A, the combustion-supporting solid sulfide additive for fire coal of said ratio is mixed, stir, be heated to 60 ℃;
B, cooled combustion-supporting solid sulfide additive for fire coal mixture, to burner hearth, compressed-air actuated pressure is 0.5MPa by blast injection.
The amount that combustion-supporting solid sulfide additive for fire coal per second sprays is regulated according to total usage quantity.The heating of additive for fire coal solution makes composition dissolves complete, and the compound of the additive that uses can not decompose in the case.
The combustion-supporting solid sulfide additive for fire coal adopts blast injection to advance burner hearth, and the additive good dispersity makes additive mix with coal dust more even, increases the contact area of additive and coal dust, and the result of use of additive is better.
After testing, using above-mentioned combustion-supporting solid sulfide additive for fire coal, coal saving rate is 8%, and the usage quantity of additive for fire coal is 3/10000ths of coal-fired consumption, and use cost is low.
Embodiment 2
The component of combustion-supporting solid sulfide additive for fire coal and the weight percent of each component are (gross weight is 1000g):
| Component | KMnO 4 | Cu(NO 3) 2 | Fe(NO 3) 3 | Ca(NO 3) 2 | Al(NO 3) 3 | KNO 3 | NaVO 3 | H 2O |
| Weight | 50 | 80 | 20 | 140 | 40 | 80 | 25 | 565 |
| Weight percent (%) | 5 | 8 | 2 | 14 | 4 | 8 | 2.5 | 56.5 |
The using method step of combustion-supporting solid sulfide additive for fire coal is as follows:
A, the combustion-supporting solid sulfide additive for fire coal of said ratio is mixed, stir, be heated to 40 ℃;
B, cooled combustion-supporting solid sulfide additive for fire coal mixture, to burner hearth, compressed-air actuated pressure is 0.6MPa by blast injection.
The combustion-supporting solid sulfide additive for fire coal adopts blast injection to advance burner hearth, and the additive good dispersity makes additive mix with coal dust more even, increases the contact area of additive and coal dust, and the result of use of additive is better.
Preferably, the spray regime of combustion-supporting solid sulfide additive for fire coal is intermittent type, and each intermittent time is 2-10min, and each injecting time is 10-30s.Because the additive for fire coal add-on is few, adopt the intermittent type injection method, the adition process of additive be can control preferably, thereby usage quantity and the compressed-air actuated usage quantity of additive saved, simultaneously, guarantee mixing of additive and coal dust.
After testing, using above-mentioned combustion-supporting solid sulfide additive for fire coal, coal saving rate is 10%, and the usage quantity of additive for fire coal is 5/10000ths of coal-fired consumption, and use cost is low.
Embodiment 3
The component of combustion-supporting solid sulfide additive for fire coal and the weight percent of each component are (gross weight is 1000g):
| Component | KMnO 4 | Cu(NO 3) 2 | Fe(NO 3) 3 | Ca(NO 3) 2 | Al(NO 3) 3 | KNO 3 | NaVO 3 | H 2O |
| Weight | 60 | 50 | 40 | 120 | 50 | 180 | 5 | 495 |
| Weight percent (%) | 6 | 5 | 4 | 12 | 5 | 18 | 0.5 | 49.5 |
The using method step of combustion-supporting solid sulfide additive for fire coal is as follows:
A, the combustion-supporting solid sulfide additive for fire coal of said ratio is mixed, stir, be heated to 50 ℃;
B, cooled combustion-supporting solid sulfide additive for fire coal mixture, to burner hearth, compressed-air actuated pressure is 0.3MPa by blast injection.
Preferably, the spray regime of combustion-supporting solid sulfide additive for fire coal is intermittent type, and each intermittent time is 5-10min, and each injecting time is 15-30s.
Preferably, the spray site of combustion-supporting solid sulfide additive for fire coal is arranged on the peephole place of coal combustion equipment.In the prior art, the addition manner of additive for fire coal in ball mill with enter burner hearth after coal dust mixes, easily produce burning under the hot environment of additive in ball mill or explode poor safety performance.Employing goes out to add the method for additive from peephole, safety performance is high.
After testing, using above-mentioned combustion-supporting solid sulfide additive for fire coal, coal saving rate is 7%, and the usage quantity of additive for fire coal is 3/10000ths of coal-fired consumption, and use cost is low.
Embodiment 4
The component of combustion-supporting solid sulfide additive for fire coal and the weight percent of each component are (gross weight is 1000g):
| Component | KMnO 4 | Cu(NO 3) 2 | Fe(NO 3) 3 | Ca(NO 3) 2 | Al(NO 3) 3 | KNO 3 | NaVO 3 | H 2O |
| Weight | 75 | 30 | 75 | 80 | 60 | 140 | 12 | 528 |
| Weight percent (%) | 7.5 | 3 | 7.5 | 8 | 6 | 14 | 1.2 | 52.8 |
The using method step of combustion-supporting solid sulfide additive for fire coal is as follows:
A, the combustion-supporting solid sulfide additive for fire coal of said ratio is mixed, stir, be heated to 55 ℃;
B, cooled combustion-supporting solid sulfide additive for fire coal mixture, to burner hearth, compressed-air actuated pressure is 0.7MPa by blast injection.
Preferably, the spray regime of combustion-supporting solid sulfide additive for fire coal is intermittent type, and each intermittent time is 8-10min, and each injecting time is 20-30s.
Preferably, the spray site of combustion-supporting solid sulfide additive for fire coal is arranged on the peephole place of coal combustion equipment, and safety performance is high.
After testing, using above-mentioned combustion-supporting solid sulfide additive for fire coal, coal saving rate is 9%, and the usage quantity of additive for fire coal is 4/10000ths of coal-fired consumption, and use cost is low.
Embodiment 5
The component of combustion-supporting solid sulfide additive for fire coal and the weight percent of each component are (gross weight is 1000g):
After testing, using above-mentioned combustion-supporting solid sulfide additive for fire coal, coal saving rate is 4%, and the usage quantity of additive for fire coal is 2/10000ths of coal-fired consumption, and use cost is low.
Embodiment 6
The component of combustion-supporting solid sulfide additive for fire coal and the weight percent of each component are (gross weight is 1000g):
| Component | KMnO 4 | Cu(NO 3) 2 | Fe(NO 3) 3 | Ca(NO 3) 2 | Al(NO 3) 3 | KNO 3 | NaVO 3 | H 2O |
| Weight | 70 | 40 | 60 | 100 | 55 | 120 | 10 | 545 |
| Weight percent (%) | 7 | 4 | 6 | 10 | 5.5 | 12 | 1 | 54.5 |
After testing, using above-mentioned combustion-supporting solid sulfide additive for fire coal, coal saving rate is 6%, and the usage quantity of additive for fire coal is 2/10000ths of coal-fired consumption, and use cost is low.
Embodiment 7
The component of combustion-supporting solid sulfide additive for fire coal and the weight percent of each component are (gross weight is 1000g):
| Component | KMnO 4 | Cu(NO 3) 2 | Fe(NO 3) 3 | Ca(NO 3) 2 | Al(NO 3) 3 | KNO 3 | NaVO 3 | H 2O |
| Weight | 55 | 70 | 45 | 160 | 48 | 90 | 20 | 512 |
| Weight percent (%) | 5.5 | 7 | 4.5 | 16 | 4.8 | 9 | 2 | 51.2 |
After testing, using above-mentioned combustion-supporting solid sulfide additive for fire coal, coal saving rate is 7%, and the usage quantity of additive for fire coal is 5/10000ths of coal-fired consumption, and use cost is low.
Embodiment 8
The component of combustion-supporting solid sulfide additive for fire coal and the weight percent of each component are (gross weight is 1000g):
| Component | KMnO 4 | Cu(NO 3) 2 | Fe(NO 3) 3 | Ca(NO 3) 2 | Al(NO 3) 3 | KNO 3 | NaVO 3 | H 2O |
| Weight | 65 | 62 | 70 | 90 | 60 | 170 | 18 | 465 |
| Weight percent (%) | 6.5 | 6.2 | 7 | 9 | 6 | 17 | 1.8 | 46.5 |
After testing, using above-mentioned combustion-supporting solid sulfide additive for fire coal, coal saving rate is 5%, and the usage quantity of additive for fire coal is 3/10000ths of coal-fired consumption, and use cost is low.
Claims (6)
1. a liquid combustion-supporting solid sulfide additive for fire coal is characterized in that, the composition of described combustion-supporting solid sulfide additive for fire coal and the weight percent of each composition are respectively:
KMnO
4：3-7.5％；
Cu(NO
3)
2：3-8％；
Fe(NO
3)
3：2-7.5％；
Ca(NO
3)
2：8-18％；
Al(NO
3)
3：3.5-6％；
KNO
3：8-18％；
NaVO
3：0.5-2.5％；
H
2O: surplus.
2. liquid combustion-supporting solid sulfide additive for fire coal according to claim 1 is characterized in that, the composition of described combustion-supporting solid sulfide additive for fire coal and the weight percent of each composition are respectively:
KMnO
4：3-5％；
Cu(NO
3)
2：5.5-8％；
Fe(NO
3)
3：2-5％；
Ca(NO
3)
2：14-18％；
Al(NO
3)
3：3.5-4％；
KNO
3：8-15％；
NaVO
3：1.5-2.5％；
H
2O: surplus.
3. liquid combustion-supporting solid sulfide additive for fire coal according to claim 1 is characterized in that, the composition of described combustion-supporting solid sulfide additive for fire coal and the weight percent of each composition are respectively:
KMnO
4：5-7.5％；
Cu(NO
3)
2：3-5％；
Fe(NO
3)
3：4-7.5％；
Ca(NO
3)
2：8-14％；
Al(NO
3)
3：5-6％；
KNO
3：14-18％；
NaVO
3：0.5-1.5％；
H
2O: surplus.
4. the using method of each described liquid combustion-supporting solid sulfide additive for fire coal in the claims 1 to 3 is characterized in that, the step of described using method is as follows:
A, each described additive for fire coal in the claims 1 to 3 is mixed in proportion, stirs, be heated to 40-60 ℃;
B, cooled combustion-supporting solid sulfide additive for fire coal mixture, to burner hearth, described compressed-air actuated pressure is 0.3-0.7MPa by blast injection.
5. the using method of liquid combustion-supporting solid sulfide additive for fire coal according to claim 4 is characterized in that, the spray regime of described additive for fire coal is intermittent type, and the described intermittent time is 2-10min, and described each injecting time is 10-30s.
6. the using method of liquid combustion-supporting solid sulfide additive for fire coal according to claim 5 is characterized in that, the spray site of described additive is arranged on the peephole place of coal combustion equipment.
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|---|---|---|---|
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|---|---|---|---|
| CN201110324017.9A CN103060052B (en) | 2011-10-21 | 2011-10-21 | A kind of liquid combustion-supporting solid sulfide additive for fire coal and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293410A (en) * | 2014-09-10 | 2015-01-21 | 济南大学 | Desulfurization, dust removal and coal combustion accelerant |
| CN107236580A (en) * | 2017-08-15 | 2017-10-10 | 重庆千卡科技有限公司 | A kind of solid sulfur catalysis composition of coal high-efficiency |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121906A (en) * | 2007-09-18 | 2008-02-13 | 赵宏 | Energy-saving discharging-reducing fire coal synergistic addition agent |
| CN102115688A (en) * | 2010-01-05 | 2011-07-06 | 北京君安润海科贸有限责任公司 | High-efficiency energy-saving emission-reduction additive for burning coal |
| CN102191109A (en) * | 2011-04-19 | 2011-09-21 | 东南大学 | Liquid coal additive and preparation method thereof |
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| CN101121906A (en) * | 2007-09-18 | 2008-02-13 | 赵宏 | Energy-saving discharging-reducing fire coal synergistic addition agent |
| CN102115688A (en) * | 2010-01-05 | 2011-07-06 | 北京君安润海科贸有限责任公司 | High-efficiency energy-saving emission-reduction additive for burning coal |
| CN102191109A (en) * | 2011-04-19 | 2011-09-21 | 东南大学 | Liquid coal additive and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104293410A (en) * | 2014-09-10 | 2015-01-21 | 济南大学 | Desulfurization, dust removal and coal combustion accelerant |
| CN104293410B (en) * | 2014-09-10 | 2016-08-17 | 济南大学 | Desulfurization, dust removal and coal combustion accelerant |
| CN107236580A (en) * | 2017-08-15 | 2017-10-10 | 重庆千卡科技有限公司 | A kind of solid sulfur catalysis composition of coal high-efficiency |
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| CN103060052B (en) | 2015-10-28 |
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