CN1320085C - Environmental-protection type coal-saving surface-removing dust-reducing emulsion and its preparing method - Google Patents
Environmental-protection type coal-saving surface-removing dust-reducing emulsion and its preparing method Download PDFInfo
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- CN1320085C CN1320085C CNB2005101052729A CN200510105272A CN1320085C CN 1320085 C CN1320085 C CN 1320085C CN B2005101052729 A CNB2005101052729 A CN B2005101052729A CN 200510105272 A CN200510105272 A CN 200510105272A CN 1320085 C CN1320085 C CN 1320085C
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- removing dust
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- 239000000839 emulsion Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 18
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 13
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 13
- 238000009775 high-speed stirring Methods 0.000 claims abstract description 10
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 claims abstract description 9
- GDDNTTHUKVNJRA-UHFFFAOYSA-N 3-bromo-3,3-difluoroprop-1-ene Chemical compound FC(F)(Br)C=C GDDNTTHUKVNJRA-UHFFFAOYSA-N 0.000 claims abstract description 9
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910021538 borax Inorganic materials 0.000 claims abstract description 9
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims abstract description 9
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims abstract description 9
- 239000011976 maleic acid Substances 0.000 claims abstract description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 9
- 235000010344 sodium nitrate Nutrition 0.000 claims abstract description 9
- 239000004317 sodium nitrate Substances 0.000 claims abstract description 9
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 claims abstract description 9
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 9
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 9
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000012153 distilled water Substances 0.000 claims abstract description 8
- 238000010298 pulverizing process Methods 0.000 claims abstract description 7
- 230000007613 environmental effect Effects 0.000 claims description 36
- 239000011734 sodium Substances 0.000 claims description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical compound OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 claims description 8
- 235000017550 sodium carbonate Nutrition 0.000 claims description 8
- 229940001516 sodium nitrate Drugs 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 6
- KIEOKOFEPABQKJ-UHFFFAOYSA-N sodium dichromate Chemical compound [Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KIEOKOFEPABQKJ-UHFFFAOYSA-N 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 68
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 11
- 239000004071 soot Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 235000010269 sulphur dioxide Nutrition 0.000 description 6
- 239000002956 ash Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 239000005864 Sulphur Substances 0.000 description 4
- 238000003916 acid precipitation Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003818 cinder Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000004291 sulphur dioxide Substances 0.000 description 2
- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical compound S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 1
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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Abstract
The present invention relates to an environmental-protection type coal-saving surface-removing dust removal emulsion, which takes weight percentage as one unit. Distilled water with 25 to 75% weight portions is added in a heating-up and stirring reaction kettle to be heated up to 60 to 80 DEG C, and then maleic acid with 0.1 to 1.5 weight portions and light hydrocarbon with 0.1 to 5.5 weight portions are added to be stirred at a high speed for 15 to 35 minutes and not to be heated up any longer; sodium tetraborate with 0.1 to 0.5 weight portions, sodium nitrate with 0.1 to 20 % weight portions, sodium chlorate with 0.1 to 5% weight portions, sodium peroxide with 0.1 to 2.5 weight portions, sodium bichromate with 0.1 to 5% weight portions, sodium carbonate with 0.1 to 5.5% weight portions and ammonium perchlorate with 0.1 to 3.5% weight portions are orderly added in the heating-up high-speed stirring reaction kettle to carry out combination reaction and be continuosly stirred for 15 to 30 minutes, and then the mixture is cut off and is carried out for recirculation pulverization by a high-speed jet disintegrator and the recirculation pulverization is carried out for 3 to 5 times, so the emulsion type environmental-protection type coal-saving surface-removing dust removal products with stable quality are produced.
Description
Technical field
The present invention relates to a kind of environmental-protection type coal-saving surface-removing dust-reducing emulsion and preparation method thereof.
Background technology
Along with China's rapid development of economy, world energy sources continues crisis, and coal in China consumption constantly increases, and coal fire discharged sulfurous gas also constantly increases, and China surpasses 2,000 ten thousand tons with coal for years, causes China's atmosphere acid rain and sulfur dioxide pollution to be on the rise.Oneself accounts for 30% of area the area of acid rain influence, and Central China's acid precipitation frequency surpasses 90%.The direct economic loss that sulfurous gas causes Chinese national economy accounted for GDP 2%～GDP 3%, Chinese national economy developed in a healthy way has produced very big influence.For China's economic construction sustainable development target, administering sulfur dioxide in air and acid rain pollution is the emphasis of Environmental Protection in China preventing and controlling.But the improvement of coal-fired sulfurous gas is global problem always,, because of its processing mode one-time investment is huge, running cost is high, causes secondary pollution easily,, be subjected to economic constraints so apply in China.Just as the developed country of the U.S., only just 30% of the desulfurizer of application of expensive.Coal-fired market in urgent need desulfurization technology of China and equipment, but because one-time investment is huge, economical load is overweight, desulfurizer is applied and is subjected to certain restriction, only on the coal-fired project of Chinese large-sized, a spot of application is arranged, the middle-size and small-size coal-fired market demand desulfurization technology and the equipment one-time investment that have a large capacity and a wide range are little, and effect is good again, and use cost is the end again.The environmental protection and coal-saving surface-removing dust-reducing emulsion is creativity and innovation under such market background, and this product adopts new and high technology and complex reaction chemical technique, reduces cost and use cost as far as possible on the basis that guarantees sulfur limitation effect.
Summary of the invention
Environmental protection and coal-saving surface-removing dust-reducing emulsion of the present invention is the another technological innovation of coal energy field, it not only can make the coal cleanburning, make the inherent sulphur of coal participate in burning or carry out combination reaction crystallization sedimentation, and then minimizing pollutant emission, flue dust and obnoxious flavour are reduced significantly to the airborne release amount, and can improve coal burning efficient.In use: coal of the same race, under the unified working conditions, add and do not add comparison and detection: coal saving rate 15-25%, reducing soot emissions is 51%～65%, reduce sulfur dioxide emissions 52%～95%, the every environmental protection index of boiler emission combustion gas reaches and is better than discharging standards.
The environmental protection and coal-saving surface-removing dust-reducing emulsion can be as various industry, civil additive, can be as required in the clean coal blending of coal place of production suitability for industrialized production, also can also can suit measures to local conditions to produce various clean moulded coals with coal pit stove factory, the clean coal of stokehold, power station adapted, enter huge numbers of families large-scale.
The environmental protection and coal-saving surface-removing dust-reducing emulsion not only has environmental protection meaning energy-saving significance, and has introduced a new thinking for the coal-fired energy-saving desulfurization technology.Its economic benefit and social benefit highly significant, to protecting and improving human settlement's Air quality, creating the ecocity that is fit to the human settlement has very important realistic meaning.
It integrates sulphur removal, combustion-supporting and energy-saving, smoke elimination depositing dust environmental protection and coal-saving surface-removing dust-reducing of the present invention agent.Be to form by maleic acid di-sec-octyl acid sodium, light hydrocarbon, sodium tetraborate, SODIUMNITRATE, sodium chlorate, sodium peroxide, sodium dichromate 99, yellow soda ash, four or more composition combination chemical combination of ammoniumper chlorate.The mixture that combination chemical combination forms is processed as emulsion form liquid through specific equipment, and this liquid is the environmental protection and coal-saving surface-removing dust-reducing emulsion.
Be sprayed at by a certain percentage on the coal in use and puddle with coal, after puddling evenly with coal, the environmental protection and coal-saving surface-removing dust-reducing emulsion has not only covered the coal surface, and under the drive of infiltration component therein, make environmental protection and coal-saving surface-removing dust-reducing emulsion rapid osmotic to coal inside, after several minutes, just produce complicated chemical reaction, make raw coal become clean coal.When coal is heated, among temperature is in strong cartalytic decomposition effect from 200 degree to 700 degree left and right sides environmental protection coal-saving surface-removing dust-reducing emulsions, progressively to emit active oxygen combustion-supporting along with temperature raises, coal generation rapid combustion, enter the environmental protection and coal-saving surface-removing dust-reducing emulsion of coal internal layer, form imperceptible blast, make coal cinder inside present swollen diffusing short texture, enlarged coal cinder and amassed, allowed burning enter coal cinder inside with contacting of air.Meanwhile, the environmental protection and coal-saving surface-removing dust-reducing emulsion has at high temperature decomposed the sulphur in the coal and has participated in burning.Along with burning is proceeded, strong oxygen mixture further discharges comburant oxygen in the environmental protection and coal-saving surface-removing dust-reducing emulsion, thereby coal is more fully burnt, and causes burning to finish so repeatedly.Because burning fully, fully, fiercely makes fire box temperature improve 100 ℃-250 ℃ than the fire box temperature that does not add the environmental protection and coal-saving surface-removing dust-reducing emulsion, coking is also fully burnt in the burner hearth, has reduced to the airborne release fume amount, can reduce blackness 1-3 level after tested; Reduce the quantity discharged 52%～95% of sulfurous gas; Soot emissions reduce by 51%～65%; Make thermo-efficiency improve 15%-20%; 15%-25% simultaneously is sparing in the use of coal; The lime-ash total release reduces 30%～45%.
Innovation point of the present invention:
1, having found that employing maleic acid di-sec-octyl acid sodium is mixed joins light hydrocarbon and is stained with sticking and the effect of deep layer rapid osmotic as coal particle surface, and utilize this function to drive all the other complex chemical compounds to penetrate into the coal particle internal layer, cause a series of chemical reaction during for the coal high-temp combustion and lay a good foundation.
2, adopted the patent No. be 02282370.0 with the patent No. be that 02282371.9 parts are that shears is pulverized in the high-speed jet that core is formed, above compound is carried out super-refinement processing, guaranteed to be uniformly dispersed from states of matter, deepened the dispersion and emulsion effect, for the subsequent combustion chemical reaction provides assurance.
3, the characteristics of complete processing are: successively with above compound, add in the intensification high-speed stirring reactor, carry out corresponding combination reaction under certain temperature condition.
Raw coal adds environmental protection and coal-saving surface-removing dust-reducing emulsion of the present invention, draws to draw a conclusion during through a large amount of the use:
(1), improved flame temperature: when not adding emulsion, have only external firing, flame internal flame nuclear anoxic is not burnt and is black.After adding the environmental protection and coal-saving surface-removing dust-reducing emulsion in the coal, in burner hearth, charge into high-density oxygen to flame inside during burning, thereby improved the temperature of flame internal flame, middle flame, aided the flame envelope temperature of flame.Reach coal-fired fully burning under the condition of high temperature, improved 100 ℃-250 ℃ of fire box temperatures.
(2), a part of water in the coal obtains utilizing: when normally moving, water is as the mediator agent of grate stable burning, but it is one of major impurity in the coal combustion, after adding the agent of environmental protection and coal-saving surface-removing dust-reducing, water in the coal is met the evaporation of heat back and is generated water vapour, mix with high-temperature flue gas by strong oxidizer, moment forms inflammable gas participation burning and has increased heat energy.
(3), the metallic compound of lime-ash the inside and non-oxidized substance obtain utilizing: the lime-ash of coal the inside also is one of major impurity in the coal combustion, after adding the environmental protection and coal-saving surface-removing dust-reducing emulsion, by catalysis, oxidation, process such as bulk, make metallic compound and non-oxidized substance in the lime-ash participate in burning increase heat energy, make the lime-ash total release reduce 30%～45%.
(4), the burning area of burner hearth grate strengthens: during the burner hearth grate firing, because fuel and mechanical characteristics institute extremely, the combustion instability of grate, inhomogeneous, branch's density of flare does not wait, being uneven behind the grate firing has wasted effective grate area and fire coal, and behind the adding environmental protection and coal-saving surface-removing dust-reducing emulsion, grate firing is steady, the coal seam is fluffy, and fire coal has obtained abundant burning.Combustion zone expansion, grate about 1/4-1/3 that extends back, the burning area increasing of grate has improved coal-fired rate of combustion.
(5), the burning coal bed expands with loose: because the effect of environmental protection and coal-saving surface-removing dust-reducing emulsion, make expansion that coal bed becomes with loose, relatively exceed about more than 1 times with the burning coal bed that does not add the environmental protection and coal-saving surface-removing dust-reducing emulsion, changed the raw coal combustion state, fire coal has obtained abundant burning, and flame temperature has obtained effective raising.
(6), sulfur limitation effect is remarkable: sulphur content detects in the flue gas, and the fire coal and the raw coal of the same race that add the environmental protection and coal-saving surface-removing dust-reducing emulsion compare, and reduce sulfur dioxide emissions 52%～95%, and lingemann blackness reduces the 1-3 level.Black smoke is bleached.
(7), the life-time service fouling that can reduce boiler furnace corrodes, and has special provide protection for prolonging service life of equipment.
Materials used and manufacturer are as follows among the present invention:
Butene dioic acid di-sec-octyl acid sodium
Manufacturer: Nanjing chemical industry company limited
Light hydrocarbon
C
3-C
5
Manufacturer: Zhejiang Juhua Group Co.
Sodium tetraborate
N
a2B
4O
4·10H
2O
Manufacturer: Beijing chemical company
SODIUMNITRATE
NaNO
3
Manufacturer: Nanjing chemical industry company limited
Sodium chlorate
NaCIO
3
Manufacturer: Nanjing chemical industry company limited
Yellow soda ash
Na
2CO
3
Manufacturer: Jilin Chemical Industry Company
Sodium peroxide
Na
2O
2
Manufacturer: Zhejiang Juhua Group Co.
Sodium dichromate 99
Na
2Cr
2O
7·2H
2O
Manufacturer: Chuanhua Group Co., Sichuan
Ammoniumper chlorate
NH
4CIO
4
Manufacturer: Dalian Chemical Industry Co
Distilled water
H
2O
Light hydrocarbon
C
3-C
5
Manufacturer: China Petrochemical Industry's refinery
The course of processing of emulsion of the present invention is as follows:
(1) processing units: adopt the patent No. 02282370.0 and the high-speed jet that the patent No. 02282371.9 is formed for core component to pulverize shears, intensification high-speed stirring reactor, intensification temperature regulating device.
(2) complete processing:
The present invention is a benchmark with the environmental-protection type coal-saving surface-removing dust-reducing emulsion gross weight that finally obtains, and is unit with the weight percentage.Distilled water 55.2%～75% is added the intensification stirred autoclave be warmed up to 60 ℃～80 ℃, add maleic acid di-sec-octyl acid sodium 0.1%～1.5% then, add light hydrocarbon 0.1%～5.5%, carried out high-speed stirring 15-35 minute, at this moment no longer heat up; Then will, sodium tetraborate 0.1%～0.5%, SODIUMNITRATE 0.1%～20%, sodium chlorate 0.1%～5%, sodium peroxide 0.1%～2.5%, sodium dichromate 99 0.1%～5%, yellow soda ash 0.1%～5.5%, ammoniumper chlorate 0.1%～3.5% adds to successively in the intensification high-speed stirring reactor and carries out combination reaction, continued restir 15～30 minutes, enter the high-speed jet pulverizer then and shear reciprocation cycle shearing pulverizing, in this link, both deepened the dispersion and emulsion effect, make the component after the combination reaction of interpolation reach abundant reaction again, reciprocation cycle is pulverized 3～5 times, can produce stay-in-grade emulsion form environmental protection and coal-saving surface-removing dust-reducing agent product.
Specific embodiment:
Embodiment 1: the environmental protection and coal-saving surface-removing dust-reducing emulsion, its composition weight percentage proportioning is followed successively by distilled water 75.9%, maleic acid di-sec-octyl acid sodium 0.4%, light hydrocarbon 2.5%, sodium tetraborate 0.3%, SODIUMNITRATE 15%, sodium chlorate 3%, sodium peroxide 0.5%, sodium dichromate 99 1%, yellow soda ash 1%, ammoniumper chlorate 0.4%, add to successively in the intensification high-speed stirring reactor and carry out combination reaction, enter the high-speed jet pulverizer then and shear reciprocation cycle shearing pulverizing, the emulsion form environmental protection and coal-saving surface-removing dust-reducing agent that is mixed stable. during use by adding water at 1: 10, raw coal per ton mixes 11% emulsion water mixed liquid and uses, fire box temperature improves 130 ℃, blackness of exhaustion reduces by 1 grade of Lin Geman, coal saving rate reaches 10%, reduces the quantity discharged 54% of sulfurous gas.
Embodiment 2: the environmental protection and coal-saving surface-removing dust-reducing emulsion, its composition weight percentage proportioning is followed successively by distilled water 66.2%, maleic acid di-sec-octyl acid sodium 1.0%, light hydrocarbon 3.5%, sodium tetraborate 0.4%, SODIUMNITRATE 18%, sodium chlorate 4%, sodium peroxide 1%, sodium dichromate 99 2.5%, yellow soda ash 2.0% and ammoniumper chlorate 1.4%, adds in the intensification high-speed stirring reactor and carry out combination reaction successively, enter the high-speed jet pulverizer then and shear reciprocation cycle shearing pulverizing, the emulsion form environmental protection and coal-saving surface-removing dust-reducing agent that is mixed stable.Added water by 1: 10 during use, raw coal per ton mixes 11% emulsion water mixed liquid and uses, and fire box temperature improves 150 ℃, and blackness of exhaustion reduces by 2 grades of Lin Geman, and coal saving rate reaches 15%, reduces the quantity discharged 65% of sulfurous gas.
Implement side 3: the environmental protection and coal-saving surface-removing dust-reducing emulsion, its composition weight percentage proportioning is followed successively by distilled water 55.2%, maleic acid di-sec-octyl acid sodium 1.0%, light hydrocarbon 4.5%, sodium tetraborate 0.3%, SODIUMNITRATE 20%, sodium chlorate 4.5%, sodium peroxide 2%, sodium dichromate 99 3.5%, yellow soda ash 2.5%, ammoniumper chlorate 2.0% and sodium-chlor 4.5%, add to successively in the intensification high-speed stirring reactor and carry out combination reaction, enter the high-speed jet pulverizer then and shear reciprocation cycle shearing pulverizing, the emulsion form environmental protection and coal-saving surface-removing dust-reducing agent that is mixed stable. during use by adding water at 1: 10, raw coal per ton mixes 11% emulsion water mixed liquid and uses, fire box temperature improves 200 ℃, blackness of exhaustion reduces by 2 grades of Lin Geman, coal saving rate reaches 20%, reduces the quantity discharged 73% of sulfurous gas.
Stand on the two drum chain-grate boilers of SHL10-13/350-W type and the two drum chain-grate boilers of SHL10-13-AIII type according to relevant environmental monitoring center or environment measuring that test result that environmental protection and coal-saving to different volumes removes sulfur-reducing dust removal emulsion service condition sees Table 1, table 2, the two drum chain-grate boilers of SHL10-13/350-W type, smoke discharge amount reduces 52%, and sulphur dioxide emission reduce 56.9%.The two drum chain-grate boiler smoke discharge amounts minimizings 60.06% of SHL10-13-AIII type, sulphur dioxide emission reduce 82.34%.The two drum chain-grate boiler save energy of SHL10-13-AIII type see Table 3, and 1.8 tons of ton coal steam volume increase on average improve 150 ℃ in burner hearth.
Table 1 environmental protection index test result
| The boiler model | SHL10-13/350-W | |||||
| Testing tool | TH880V microcomputer dust tester, testo flue gas analyzing apparatus | |||||
| Testing method | GB/T16157-1996 " particulate matter is measured and the gaseous pollutant method of sampling in the Concentration in Fixed Pollutants Source " | |||||
| Point position | Boiler export | The fly-ash separator outlet | ||||
| Detect thing | Raw coal | Raw coal+emulsion | Raw coal | Raw coal+emulsion | ||
| Soot emissions measured concentration (mg/Ndm 3) | 980.5 | 550.5 | 160. 7 | 158.4 | ||
| Soot emissions conversion concentration (mg/Ndm 3) | 1330.3 | 601.5 | 200. 1 | 161.6 | ||
| Soot emissions speed (kg/h) | 12.85 | 6.05 | 2.23 | 1.11 | ||
| SO 2Discharging measured concentration (mg/Ndm 3) | 1280 | 593 | 1260 | 569 | ||
| SO 2Discharging conversion concentration (mg/Ndm 3) | 1617 | 725 | 1560 | 470 | ||
| SO 2Drainage rate (kg/h) | 15.35 | 6.70 | 15.3 5 | 6.46 | ||
| Soot emissions speed reduced rate % | 52.9 | |||||
| SO 2Drainage rate reduced rate % | 56.4 | |||||
| Flue-gas temperature (℃) | 220 | 275 | 200 | 255 | ||
| Measuring point area (m 2) | 0.64 | 0.64 | 0.5 | 0.5 | ||
Table 2 environmental protection index test result
| The boiler model | SHL10-13-AIII | |||||
| Testing tool | TH880V microcomputer dust tester, testo flue gas analyzing apparatus | |||||
| Testing method | GB/T16157-1996 " particulate matter is measured and the gaseous pollutant method of sampling in the Concentration in Fixed Pollutants Source " | |||||
| Point position | Boiler export | The fly-ash separator outlet | ||||
| Detect thing | Raw coal | Raw coal+emulsion | Raw coal | Raw coal+emulsion | ||
| Soot emissions measured concentration (mg/Ndm 3) | 965.5 | 400.5 | 151. 7 | 151.4 | ||
| Soot emissions conversion concentration (mg/Ndm 3) | 1322.7 | 581.3 | 201. 4 | 199.6 | ||
| Soot emissions speed (kg/h) | 12.57 | 5.02 | 2.01 | 1.01 | ||
| SO 2Discharging measured concentration (mg/Ndm 3) | 1180 | 208 | 1158 | 204 | ||
| SO 2Discharging conversion concentration (mg/Ndm 3) | 1616 | 285.4 | 1538 | 272 | ||
| SO 2Drainage rate (kg/h) | 15.35 | 2.71 | 15.3 5 | 2.69 | ||
| Soot emissions speed reduced rate % | 60.06 | |||||
| SO 2Drainage rate reduced rate % | 82.34 | |||||
| Flue-gas temperature (℃) | 230 | 280 | 210 | 260 | ||
| Measuring point area (m 2) | 0.65 | 0.65 | 0.55 | 0.55 | ||
The two energy-conservation measured results of drum chain-grate boiler boiler operatiopn of table 3 SHL10-13-AIII type
| Project | Raw coal combustion | Emulsion adds raw coal combustion |
| Boiler unit time output steam | 8.5 ton/hour | 8.5 ton/hour |
| Test duration | 8 hours | 8 hours |
| Coal consumption | 8 tons | 8 tons |
| Ton coal producing steam amount | 6.7 ton | 8.5 ton |
| Fire box temperature mean value | 640℃ | 795℃ |
Claims (3)
1, a kind of environmental-protection type coal-saving surface-removing dust-reducing emulsion, with the weight percentage is unit, it is characterized in that: it forms proportioning, and percentage ratio is as follows by weight: distilled water 55.2%～75%, maleic acid di-sec-octyl acid sodium 0.1%～1.5%, light hydrocarbon 0.1%～5.5%, sodium tetraborate 0.1%～0.5%, SODIUMNITRATE 0.1%～20%, sodium chlorate 0.1%～5%, sodium peroxide 0.1%～2.5%, sodium dichromate 99 0.1%～5%, yellow soda ash 0.1%～5.5%, ammoniumper chlorate 0.1%～3.5%.
2, emulsion according to claim 1 is characterized in that described light hydrocarbon is C
3-C
5Light hydrocarbon.
3, the preparation method of the described environmental-protection type coal-saving surface-removing dust-reducing emulsion of claim 1, with the weight percentage is unit, it is characterized in that: distilled water 55.2%～75% is added the intensification stirred autoclave be warmed up to 60 ℃～80 ℃, add maleic acid di-sec-octyl acid sodium 0.1%～1.5% then, add light hydrocarbon 0.1%～5.5%, carried out high-speed stirring 15-35 minute, and at this moment no longer heated up; Then with sodium tetraborate 0.1%～0.5%, SODIUMNITRATE 0.1%～20%, sodium chlorate 0.1%～5%, sodium peroxide 0.1%～2.5%, sodium dichromate 99 0.1%～5%, yellow soda ash 0.1%～5.5% and ammoniumper chlorate 0.1%～3.5% add to successively in the intensification high-speed stirring reactor and carry out combination reaction, continued restir 15～30 minutes, enter the high-speed jet pulverizer then and shear reciprocation cycle shearing pulverizing, in this link, both deepened the dispersion and emulsion effect, make the component after the combination reaction of interpolation reach abundant reaction again, reciprocation cycle is pulverized 3～5 times, can produce stay-in-grade emulsion form environmental protection and coal-saving surface-removing dust-reducing emulsion.
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| CNB2005101052729A CN1320085C (en) | 2005-09-30 | 2005-09-30 | Environmental-protection type coal-saving surface-removing dust-reducing emulsion and its preparing method |
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| CNB2005101052729A CN1320085C (en) | 2005-09-30 | 2005-09-30 | Environmental-protection type coal-saving surface-removing dust-reducing emulsion and its preparing method |
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| CN1320085C true CN1320085C (en) | 2007-06-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0195638A2 (en) * | 1985-03-18 | 1986-09-24 | Calgon Corporation | Method and compositions for the control of dust |
| CN86106777A (en) * | 1985-08-28 | 1987-05-27 | 埃克森化学专利公司 | Improve the middle distillate composition of low-temperature performance |
| CN1324921A (en) * | 2000-05-19 | 2001-12-05 | 太凤工业株式会社 | Fuel additive for asphalt heavy-oil/aqueous fuel and combustion method thereof |
| CN1513958A (en) * | 2002-12-02 | 2004-07-21 | 陶世清 | Environment protection fuel coal energy increasing liquid |
-
2005
- 2005-09-30 CN CNB2005101052729A patent/CN1320085C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0195638A2 (en) * | 1985-03-18 | 1986-09-24 | Calgon Corporation | Method and compositions for the control of dust |
| CN86106777A (en) * | 1985-08-28 | 1987-05-27 | 埃克森化学专利公司 | Improve the middle distillate composition of low-temperature performance |
| CN1324921A (en) * | 2000-05-19 | 2001-12-05 | 太凤工业株式会社 | Fuel additive for asphalt heavy-oil/aqueous fuel and combustion method thereof |
| CN1513958A (en) * | 2002-12-02 | 2004-07-21 | 陶世清 | Environment protection fuel coal energy increasing liquid |
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