CN103641137A - Ammonia water special for chimney desulfurization and preparation process of ammonia water - Google Patents
Ammonia water special for chimney desulfurization and preparation process of ammonia water Download PDFInfo
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- CN103641137A CN103641137A CN201310633582.2A CN201310633582A CN103641137A CN 103641137 A CN103641137 A CN 103641137A CN 201310633582 A CN201310633582 A CN 201310633582A CN 103641137 A CN103641137 A CN 103641137A
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Abstract
The invention relates to a formula of ammonia water special for chimney desulfurization in industries of sintering of cement manufacturing, thermal power generation, heating, petrochemical oil refinery, nonferrous metal smelting and the like, and a preparation process of the ammonia water. The formula of the special ammonia water is used for determining the sulfur content mainly according to the production area of burning coal of each enterprise so as to determine the content of NH3 in different water, and researches find that the NH3 content of the ammonia water for desulfurization is between 15% and 25%, and the special ammonia water is prepared from (1) natural running water, (2) soft water after softening, (3) pure water subjected to primary reverse osmosis or (4) high-purity water subjected to secondary reverse osmosis. The ammonia water prepared from the four types of water is special for chimney desulfurization of coal enterprises.
Description
Technical field
The present invention relates to the sintering that cement is manufactured, thermal power generation, heating, petrochemical refining, non-ferrous metal metallurgy etc.Compound method and the technique of the special-purpose ammoniacal liquor of coal combustion chimney desulfurization.
Background technology
The sintering that cement is manufactured, thermal power generation, heating, non-ferrous metal metallurgy, petrochemical refining etc., the ultimate principle of using fired coal combustion to discharge flue gas desulfurization is to adopt alkaline matter to absorb acid sulfurous gas, the pollution of minimizing to atmosphere, the environment that purifies air, the dirty object that subtracts haze of the system that reaches.
Summary of the invention
The present invention is in order to solve the new raw material ammoniacal liquor of the flue gas desulfurization of chimney coal combustion generation.It is high that it has desulfuration efficiency, and non-secondary pollution can sulfur dioxide absorption, meets the requirement of recycling economy.
The special-purpose ammoniacal liquor of chimney desulfurization, containing NH
315%--25%(weight percent), all the other are water.
Described special-purpose ammoniacal liquor manufacturing process, it is realized according to following any one:
1. natural tap water is prepared ammoniacal liquor: adopt natural tap water to enter ammoniacal liquor through water pipe and manufacture in tank, when this water fluid level reaches tank internal volume 60%, open liquid ammonia storage tank valve or send ammonia tank valve (liquid phase) and ammonia water tank drain tap (gas phase) on ammonia car to make 99.5%--99.8%NH
3slowly enter ammoniacal liquor and manufacture in tank, adopt NH
3spray method, makes liquefied ammonia be combined with water, absorbs, and manufactures containing NH
3the special-purpose ammoniacal liquor of desulfurization of 15%--25%;
2. soft water is prepared ammoniacal liquor: adopt the soft water of tap water after softening water is processed to enter ammoniacal liquor and manufacture in tank, when this water liquid level reaches tank internal volume 60%, open NH
3storage tank or transport ammonia car ammonia tank valve (liquid phase) and ammonia water tank drain tap (gas phase) makes 99.5%--99.8NH
3slowly enter ammoniacal liquor and manufacture in tank, adopt NH3 spray method to make liquefied ammonia and soft water combination, absorb, make containing NH
3the special-purpose soft water ammoniacal liquor of chimney desulfurization of 15%--25%;
3. pure water is manufactured ammoniacal liquor: adopt water treatment system that soft water after treatment enters first-stage reverse osmosis again pure water after treatment, entering ammoniacal liquor manufactures in tank, when this water liquid level reaches tank internal volume 60%, ammonia tank valve (liquid phase) and the ammonia water tank drain tap (gas phase) opening ammonia tank valve or transport on liquefied ammonia automobile make content in 99.5%--99.8% liquefied ammonia slowly enters ammoniacal liquor manufacture tank, adopt NH3 spray method to make liquefied ammonia and pure water combination, absorb, make ammonia content at the special-purpose ammoniacal liquor of 15%--25% chimney desulfurization, ammoniacal liquor metallic residue content≤0.3, be difficult for muddy, transparently be greater than 80%,
4. high purity water is manufactured ammoniacal liquor: the high purity water that adopts tap water to process through two-pass reverse osmosis again after softening processing, entering ammoniacal liquor manufactures in tank, when this water liquid level reaches tank internal volume 60%, open liquid ammonia storage tank valve (liquid phase) or transport ammonia tank valve (liquid phase) on the automobile of liquefied ammonia and ammonia water tank drain tap (gas phase) makes content slowly enter ammoniacal liquor at 99.5%--99.8% liquefied ammonia to manufacture in tank, adopt NH3 spray method to make liquefied ammonia and high purity water combination, absorb, manufacture NH
3the high purity water ammoniacal liquor of content 15%--25%, gained ammoniacal liquor residue content≤0.2, pure, bright, specific conductivity is lower than 0.00012.
In order to solve the particular problem existing in desulfurization, the technical solution used in the present invention is: by the place of production to coal-fired, the detection of sulphur content height, the different NH that contain of employing
3the new technology that the ammoniacal liquor of amount (15%--25%) carries out desulfurization, novel method.Products characteristics of the present invention: advanced technology, reasonable in design, good in economic efficiency, easy to use.
Beneficial effect of the present invention:
1, product of the present invention, for cement products sintering, thermal power generation, heating, petrochemical refining, non-ferrous metal metallurgy etc.The desulfurization of coal-fired flue-gas, can effectively reduce the 30%--50% of sulfurous gas quantity discharged in atmosphere, reclaims the development that byproduct of ammonium sulfate chemical fertilizer is conducive to recycling economy, turns waste into wealth.
2, product design of the present invention is scientific and reasonable, for the coal-fired place of production, detects coal sulphur content and decides the invention product that adopts different content, can reduce running cost, and save energy, can save desulfurization expense 20%--40% according to measuring and calculating.
3, to have desulfuration efficiency high for product of the present invention, and non-secondary pollution reduces haze, and protection of the environment, is conducive to the mankind's health and social development.
Our the chimney Special desulfurizing ammoniacal liquor of invention is a kind of cheap, and by-product recovery is convenient, broad-spectrum, so the present invention is a kind of new sulfur method, is a significant benefit to environment protection.
Embodiment
The special-purpose ammoniacal liquor of chimney desulfurization, it is containing NH
315%--25%(weight percent), all the other are water.Water is following any one or mixture: 1. natural tap water preparation; 2. through the softening soft water preparation of processing; 3. through the pure water of first-stage reverse osmosis, prepare; 4. through the high purity water of two-pass reverse osmosis, prepare.
Described special-purpose ammoniacal liquor manufacturing process, it is realized according to following any one:
1. natural tap water is prepared ammoniacal liquor: adopt natural tap water to enter ammoniacal liquor through water pipe and manufacture in tank, when this water fluid level reaches tank internal volume 60%, open liquid ammonia storage tank valve or send ammonia tank valve (liquid phase) and ammonia water tank drain tap on ammonia car, (gas phase) makes 99.5%--99.8%NH
3slowly enter ammoniacal liquor and manufacture in tank, adopt NH
3spray method, makes liquefied ammonia be combined with water, absorbs, and manufactures containing NH
3the special-purpose ammoniacal liquor of desulfurization of 15%--25%;
2. soft water is prepared ammoniacal liquor: adopt the soft water of tap water after softening water is processed to enter ammoniacal liquor and manufacture in tank, when this water liquid level reaches tank internal volume 60%, open NH
3storage tank or transport ammonia car ammonia tank valve (liquid phase) and ammonia water tank drain tap (gas phase) makes 99.5%--99.8NH
3slowly enter ammoniacal liquor and manufacture in tank, adopt NH3 spray method to make liquefied ammonia and soft water combination, absorb, make containing NH
3the special-purpose soft water ammoniacal liquor of chimney desulfurization of 15%--25%;
3. pure water is manufactured ammoniacal liquor: adopt water treatment system that soft water after treatment enters first-stage reverse osmosis again pure water after treatment, entering ammoniacal liquor manufactures in tank, when this water liquid level reaches tank internal volume 60%, ammonia tank valve (liquid phase) and the ammonia water tank drain tap (gas phase) opening ammonia tank valve or transport on liquefied ammonia automobile make content in 99.5%--99.8% liquefied ammonia slowly enters ammoniacal liquor manufacture tank, adopt NH3 spray method to make liquefied ammonia and pure water combination, absorb, make ammonia content at the special-purpose ammoniacal liquor of 15%--25% chimney desulfurization, ammoniacal liquor metallic residue content≤0.3, be difficult for muddy, transparently be greater than 80%,
4. high purity water is manufactured ammoniacal liquor: the high purity water that adopts tap water to process through two-pass reverse osmosis again after softening processing, entering ammoniacal liquor manufactures in tank, when this water liquid level reaches tank internal volume 60%, open liquid ammonia storage tank valve or transport ammonia tank valve (liquid phase) and the ammonia water tank drain tap (gas phase) on the automobile of liquefied ammonia, making content slowly enter ammoniacal liquor at 99.5%--99.8% liquefied ammonia manufactures in tank, adopt NH3 spray method to make liquefied ammonia and high purity water combination, absorb, manufacture NH
3the high purity water ammoniacal liquor of content 15%--25%, gained ammoniacal liquor residue content≤0.2, pure, bright, specific conductivity is lower than 0.00012.
Claims (3)
1. the special-purpose ammoniacal liquor of chimney desulfurization, is characterized in that containing NH
315%--25%, all the other are water.
2. the special-purpose ammoniacal liquor of a kind of chimney desulfurization according to claim 1, is characterized in that water is following any one or mixture: 1. natural tap water preparation; 2. through the softening soft water preparation of processing; 3. through the pure water of first-stage reverse osmosis, prepare; 4. through the high purity water of two-pass reverse osmosis, prepare.
3. the special-purpose ammoniacal liquor manufacturing process as described in claim 1-2, is characterized in that realizing according to following any one:
1. natural tap water is prepared ammoniacal liquor: adopt natural tap water to enter ammoniacal liquor through water pipe and manufacture in tank, when this water fluid level reaches tank internal volume 60%, open liquid ammonia storage tank valve or send ammonia tank valve (liquid phase) and ammonia water tank drain tap (gas phase) on ammonia car to make 99.5%--99.8%NH
3slowly enter ammoniacal liquor and manufacture in tank, adopt NH
3spray method, makes liquefied ammonia be combined with water, absorbs, and manufactures containing NH
3the special-purpose ammoniacal liquor of desulfurization of 15%--25%;
2. soft water is prepared ammoniacal liquor: adopt the soft water of tap water after softening water is processed to enter ammoniacal liquor and manufacture in tank, when this water liquid level reaches tank internal volume 60%, open NH
3storage tank or transport ammonia car ammonia tank valve (liquid phase) and ammonia water tank drain tap (gas phase) makes 99.5%--99.8NH
3slowly enter ammoniacal liquor and manufacture in tank, adopt spray method to make liquefied ammonia and soft water combination, absorb, make containing NH
3the special-purpose soft water ammoniacal liquor of chimney desulfurization of 15%--25%;
3. pure water is manufactured ammoniacal liquor: adopt water treatment system that soft water after treatment enters first-stage reverse osmosis again pure water after treatment, entering ammoniacal liquor manufactures in tank, when this water liquid level reaches tank internal volume 60%, ammonia tank valve (liquid phase) and the ammonia water tank drain tap (gas phase) opening ammonia tank valve or transport on liquefied ammonia automobile make content in 99.5%--99.8% liquefied ammonia slowly enters ammoniacal liquor manufacture tank, adopt spray method to make liquefied ammonia and pure water combination, absorb, make ammonia content at the special-purpose ammoniacal liquor of 15%--25% chimney desulfurization, ammoniacal liquor metallic residue content≤0.3, be difficult for muddy, transparently be greater than 80%,
4. high purity water is manufactured ammoniacal liquor: the high purity water that adopts tap water to process through two-pass reverse osmosis again after softening processing, entering ammoniacal liquor manufactures in tank, when this water liquid level reaches tank internal volume 60%, open liquid ammonia storage tank valve or transport ammonia tank valve (liquid phase) and the ammonia water tank drain tap (gas phase) on the automobile of liquefied ammonia, making content slowly enter ammoniacal liquor at 99.5%--99.8% liquefied ammonia manufactures in tank, adopt spray method to make liquefied ammonia and high purity water combination, absorb, manufacture NH
3the high purity water ammoniacal liquor of content 15%--25%, gained ammoniacal liquor residue content≤0.2, pure, bright, specific conductivity is lower than 0.00012.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633582.2A CN103641137A (en) | 2013-11-29 | 2013-11-29 | Ammonia water special for chimney desulfurization and preparation process of ammonia water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633582.2A CN103641137A (en) | 2013-11-29 | 2013-11-29 | Ammonia water special for chimney desulfurization and preparation process of ammonia water |
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| CN103641137A true CN103641137A (en) | 2014-03-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096470A (en) * | 2014-07-23 | 2014-10-15 | 周凯 | Preparation method and manufacturing process for ammonia special for denitration and desulfurization of chimney flue gas |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791513A (en) * | 2009-02-03 | 2010-08-04 | 王建敏 | Jacking-type exhaust-gas treatment device and method |
| CN203090783U (en) * | 2013-03-19 | 2013-07-31 | 南京圣诺热管有限公司 | Liquid ammonia dilution system device |
-
2013
- 2013-11-29 CN CN201310633582.2A patent/CN103641137A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791513A (en) * | 2009-02-03 | 2010-08-04 | 王建敏 | Jacking-type exhaust-gas treatment device and method |
| CN203090783U (en) * | 2013-03-19 | 2013-07-31 | 南京圣诺热管有限公司 | Liquid ammonia dilution system device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096470A (en) * | 2014-07-23 | 2014-10-15 | 周凯 | Preparation method and manufacturing process for ammonia special for denitration and desulfurization of chimney flue gas |
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Application publication date: 20140319 |