CN103642554A - Combustion improver for boiler and preparation method and application thereof - Google Patents

Combustion improver for boiler and preparation method and application thereof Download PDF

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Publication number
CN103642554A
CN103642554A CN201310739658.XA CN201310739658A CN103642554A CN 103642554 A CN103642554 A CN 103642554A CN 201310739658 A CN201310739658 A CN 201310739658A CN 103642554 A CN103642554 A CN 103642554A
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parts
oxide
boiler
ignition dope
weight
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CN103642554B (en
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蔡强
邓红权
高学泰
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Shanghai Yue Technology Co Ltd
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Abstract

The invention provides a combustion improver for a boiler. The combustion improver is prepared from the following raw materials in parts by weight: 4 parts of sodium carbonate, 4 parts of coal powder, 4 parts of iron oxide, 4 parts of zinc oxide, 4 parts of copper oxide, 4 parts of calcium oxide, 4 parts of magnesium oxide, 4 parts of aluminum oxide, 16 parts of selenium dioxide, 16 parts of strontium oxide, 16 parts of difluorine monoxide, 16 parts of No. 97 gasoline, 16 parts of No. -20 diesel oil, 16 parts of ethanol, 16 parts of kerosene, 10 parts of paraffin, 10 parts of n-octane, 10 parts of nonane, 10 parts of decane, 10 parts of undecane, 10 parts of dodecane, 10 parts of eicosane, 10 parts of triacontane and 10 parts of tetracontane. The combustion improver provided by the invention can reduce pollution, improve combustion efficiency and prolong the service life of the boiler. The invention further provides a preparation method and application of the combustion improver.

Description

Ignition dope and its preparation method and application for a kind of boiler
Technical field
The present invention relates to a kind of ignition dope, be specifically related to the ignition dope that a kind of boiler is used, and its preparation method and application.
Background technology
Along with the problem of whole society's environmental pollution and energy consumption is more and more paid attention to, country and every profession and trade are more and more stricter to the restriction of the sulphur emissions of coal firing boiler, enterprise is also constantly seeking the approach that reduces the consumption of coal equal energy source, further to reduce production costs simultaneously.The solution that is developed as these problems of ignition dope provides feasible approach.But existing ignition dope is for improving efficiency of combustion and reducing disposal of pollutants two aspects and can not take into account, combustion-supporting effect can not be satisfied the demand, therefore be necessary to develop a kind of new coal firing boiler ignition dope, further to improve efficiency of combustion and to play good solid sulphur depositing dust effect simultaneously.
Summary of the invention
The object of the invention is to: a kind of boiler ignition dope is provided, can reduces pollution, improve efficiency of combustion, prolonged boiler work-ing life.
Another object of the present invention is to: the preparation method of the ignition dope described in providing.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of boiler ignition dope is provided, by the raw material of following weight part, is prepared from:
4 parts, sodium carbonate, 4 parts of coal dusts, 4 parts of ferric oxide, 4 parts, zinc oxide, 4 parts of cupric oxide, 4 parts, calcium oxide, 4 parts, magnesium oxide, 4 parts, aluminum oxide, 16 parts of tin anhydride, 16 parts of strontium oxides, 16 parts of 16 parts ,-No. 20 diesel oil of oxidation 16 parts, No. 97 gasoline of difluoro, 16 parts of ethanol, 16 parts of kerosene, 10 parts, paraffin, 10 parts of octanes, 10 parts of nonanes, 10 parts of decane, 10 parts of undecanes, 10 parts of dodecanes, 10 parts of eicosanes, 10 parts of triacontanes, 10 parts of tetracontanes.
The preparation method of the ignition dope described in the present invention also provides, comprises the following steps:
1) by weight, at 25 ℃, limit heating edge adds 4 parts of sodium carbonate and 4 parts of coal dusts in 10000 parts of water, and then slowly add successively 4 parts of ferric oxide, 4 parts, zinc oxide, 4 parts of cupric oxide, 4 parts, calcium oxide, 4 parts, magnesium oxide, 4 parts, aluminum oxide, after adding, maintain the temperature at 50 ℃, stir 12 hours, obtain mixture I, be down to 30 ℃ standby;
2) by weight, at 30 ℃, limit heating edge slowly adds successively 16 parts of tin anhydride, 16 parts of strontium oxides, 16 parts of 16 parts ,-No. 20 diesel oil of oxidation 16 parts, No. 97 gasoline of difluoro, 16 parts of ethanol, 16 parts of kerosene in 10000 parts of water, after adding, maintain the temperature at 90 ℃, stir 12 hours, obtain mixtures II, be down to 30 ℃ standby;
3) by weight, at 30 ℃ in 980000 parts of water disposable mixture I, the step 2 that adds step 1) to obtain) mixtures II that obtains, and 10 parts of 10 parts, paraffin, 10 parts of octanes, 10 parts of nonanes, 10 parts of decane, 10 parts of undecanes, 10 parts of dodecanes, 10 parts of eicosanes, 10 parts of triacontanes and tetracontanes, after adding, maintain the temperature at 80 ℃, stir 12 hours, obtain ignition dope of the present invention.
The application of ignition dope described in the present invention also provides in coal firing boiler, oil-firing boiler or gas fired-boiler.
In ignition dope of the present invention, metal oxide can play oxygenation effect as oxygenate, thereby increases speed of response; Some metal oxides react the salts substances generating and as catalyzer, have improved the reactive behavior of fuel with sodium carbonate solution, fuel combustion is obtained more abundant, more complete; Some metal oxide can also play the effect of sulphur-fixing agent and dustfall agent, and such as ferric oxide, calcium oxide etc. can be reduced the discharge of coal smoke and sulfurous gas effectively, thereby reduces atmospheric pollution.In a word, ignition dope of the present invention has obtained comparatively comprehensively effect after preparing in specific proportions with plurality of raw materials, not only have excellent combustion-supporting property during use, can significantly improve the efficiency of combustion of fuel, has also possessed to fall pollutions, reduction of discharging and the beneficial effect such as put simultaneously.
In the middle of actual use, aspect combustion-supporting property, when ignition dope of the present invention enters after boiler combustion layer, flame can raise to some extent, and color shoals, and has increased intensity of combustion and density.Along with the increase of time, furnace temperature raises, and quantity of steam, boiler output all will increase; Burning coal layer expands and raises, and slag is loose, and remaining carbon reduces, and boiler wall dirt progressively comes off, and thermo-efficiency improves.Pressing down aspect sulphur and depositing dust; after using ignition dope of the present invention, find; total sulphur content in Boiler Cinder Surveying has turned over one times; further reduced the desulphurization cost of enterprise, smoke dust discharge concentration and blackness are cut down, and lime-ash carbon content rate reduces; improved thus atmospheric environment; flame is stable simultaneously, and body of heater is protected, and has extended boiler life.
Embodiment
Embodiment 1
A coal firing boiler ignition dope, is prepared from by the raw material of following weight part:
4 parts, sodium carbonate, 4 parts of coal dusts, 4 parts of ferric oxide, 4 parts, zinc oxide, 4 parts of cupric oxide, 4 parts, calcium oxide, 4 parts, magnesium oxide, 4 parts, aluminum oxide, 16 parts of tin anhydride, 16 parts of strontium oxides, 16 parts of 16 parts ,-No. 20 diesel oil of oxidation 16 parts, No. 97 gasoline of difluoro, 16 parts of ethanol, 16 parts of kerosene, 10 parts, paraffin, 10 parts of octanes, 10 parts of nonanes, 10 parts of decane, 10 parts of undecanes, 10 parts of dodecanes, 10 parts of eicosanes, 10 parts of triacontanes, 10 parts of tetracontanes.
Preparation method comprises the following steps:
1) by weight, at 25 ℃, limit heating edge adds 4 parts of sodium carbonate and 4 parts of coal dusts in 10000 parts of water, and then slowly add successively 4 parts of ferric oxide, 4 parts, zinc oxide, 4 parts of cupric oxide, 4 parts, calcium oxide, 4 parts, magnesium oxide, 4 parts, aluminum oxide, after adding, maintain the temperature at 50 ℃, stir 12 hours, obtain mixture I, be down to 30 ℃ standby;
2) by weight, at 30 ℃, limit heating edge slowly adds successively 16 parts of tin anhydride, 16 parts of strontium oxides, 16 parts of 16 parts ,-No. 20 diesel oil of oxidation 16 parts, No. 97 gasoline of difluoro, 16 parts of ethanol, 16 parts of kerosene in 10000 parts of water, after adding, maintain the temperature at 90 ℃, stir 12 hours, obtain mixtures II, be down to 30 ℃ standby;
3) by weight, at 30 ℃ in 980000 parts of water disposable mixture I, the step 2 that adds step 1) to obtain) mixtures II that obtains, and 10 parts of 10 parts, paraffin, 10 parts of octanes, 10 parts of nonanes, 10 parts of decane, 10 parts of undecanes, 10 parts of dodecanes, 10 parts of eicosanes, 10 parts of triacontanes and tetracontanes, after adding, maintain the temperature at 80 ℃, stir 12 hours, obtain ignition dope of the present invention.
Ignition dope of the present invention with time can to enter boiler by the mode spraying into boiler combustion layer combustion-supporting.The dosage spraying into can be determined according to the actual needs of producing.
Ignition dope of the present invention, the performance recording according to the detection method identical with GB13271-2001 is in Table 1-3.
Figure BDA0000448568610000051

Claims (3)

1. a boiler ignition dope, is characterized in that, by the raw material of following weight part, is prepared from:
4 parts, sodium carbonate, 4 parts of coal dusts, 4 parts of ferric oxide, 4 parts, zinc oxide, 4 parts of cupric oxide, 4 parts, calcium oxide, 4 parts, magnesium oxide, 4 parts, aluminum oxide, 16 parts of tin anhydride, 16 parts of strontium oxides, 16 parts of 16 parts ,-No. 20 diesel oil of oxidation 16 parts, No. 97 gasoline of difluoro, 16 parts of ethanol, 16 parts of kerosene, 10 parts, paraffin, 10 parts of octanes, 10 parts of nonanes, 10 parts of decane, 10 parts of undecanes, 10 parts of dodecanes, 10 parts of eicosanes, 10 parts of triacontanes, 10 parts of tetracontanes.
2. the method for preparation ignition dope claimed in claim 1, is characterized in that, comprises the following steps:
1) by weight, at 25 ℃, limit heating edge adds 4 parts of sodium carbonate and 4 parts of coal dusts in 10000 parts of water, and then slowly add successively 4 parts of ferric oxide, 4 parts, zinc oxide, 4 parts of cupric oxide, 4 parts, calcium oxide, 4 parts, magnesium oxide, 4 parts, aluminum oxide, after adding, maintain the temperature at 50 ℃, stir 12 hours, obtain mixture I, be down to 30 ℃ standby;
2) by weight, at 30 ℃, limit heating edge slowly adds successively 16 parts of tin anhydride, 16 parts of strontium oxides, 16 parts of 16 parts ,-No. 20 diesel oil of oxidation 16 parts, No. 97 gasoline of difluoro, 16 parts of ethanol, 16 parts of kerosene in 10000 parts of water, after adding, maintain the temperature at 90 ℃, stir 12 hours, obtain mixtures II, be down to 30 ℃ standby;
3) by weight, at 30 ℃ in 980000 parts of water disposable mixture I, the step 2 that adds step 1) to obtain) mixtures II that obtains, and 10 parts of 10 parts, paraffin, 10 parts of octanes, 10 parts of nonanes, 10 parts of decane, 10 parts of undecanes, 10 parts of dodecanes, 10 parts of eicosanes, 10 parts of triacontanes and tetracontanes, after adding, maintain the temperature at 80 ℃, stir 12 hours, obtain ignition dope of the present invention.
3. the application of ignition dope claimed in claim 1 in coal firing boiler, oil-firing boiler or gas fired-boiler.
CN201310739658.XA 2013-12-27 2013-12-27 Combustion improver for boiler and preparation method and application thereof Expired - Fee Related CN103642554B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1718699A (en) * 2005-04-06 2006-01-11 尹小林 Catalytic combustion adjuvant for coal
CN1842585A (en) * 2003-06-25 2006-10-04 卢布里佐尔公司 Gel additives for fuel that reduce soot and/or emissions from engines
CN101381647A (en) * 2008-10-21 2009-03-11 梁宴邱 High-efficiency coal-saving burning additive

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1842585A (en) * 2003-06-25 2006-10-04 卢布里佐尔公司 Gel additives for fuel that reduce soot and/or emissions from engines
CN1718699A (en) * 2005-04-06 2006-01-11 尹小林 Catalytic combustion adjuvant for coal
CN101381647A (en) * 2008-10-21 2009-03-11 梁宴邱 High-efficiency coal-saving burning additive

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
朱礼赞等: "燃煤助燃剂技术的研究进展", 《新世纪水泥导报》, vol. 18, no. 5, 20 September 2012 (2012-09-20), pages 2 *

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