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CN107050935A - A kind of special defoamer of power plant desulfurization - Google Patents

A kind of special defoamer of power plant desulfurization Download PDF

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Publication number
CN107050935A
CN107050935A CN201611225215.9A CN201611225215A CN107050935A CN 107050935 A CN107050935 A CN 107050935A CN 201611225215 A CN201611225215 A CN 201611225215A CN 107050935 A CN107050935 A CN 107050935A
Authority
CN
China
Prior art keywords
power plant
product
plant desulfurization
present
modified organic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611225215.9A
Other languages
Chinese (zh)
Inventor
王梅玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Federal Fine Chemical Co Ltd
Original Assignee
Guangdong Federal Fine Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Federal Fine Chemical Co Ltd filed Critical Guangdong Federal Fine Chemical Co Ltd
Priority to CN201611225215.9A priority Critical patent/CN107050935A/en
Publication of CN107050935A publication Critical patent/CN107050935A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/02Foam dispersion or prevention
    • B01D19/04Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/02Foam dispersion or prevention
    • B01D19/04Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • B01D19/0409Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing Si-atoms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/02Foam dispersion or prevention
    • B01D19/04Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • B01D19/0422Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing S-atoms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/02Foam dispersion or prevention
    • B01D19/04Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • B01D19/0431Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance containing aromatic rings
    • B01D19/0436Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance containing aromatic rings with substituted groups

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)

Abstract

The present invention discloses a kind of special defoamer of power plant desulfurization, by weight percentage, including:Modified organic silicon polyethers 20 40%;Organic siliconresin 10 30%;Polymethyl siloxane 5 15%;Hydrophobic silica 2 8%;Hydrophilic silicon oxides 2 8%;OP‑10 1‑3%;Lauryl sodium sulfate 2 4%;Sodium hydroxide 0.1 1%;Dispersant 0.5 1%;Preservative 0.01 0.03%.Wherein modified organic silicon pfpe molecule amount is 1,000 5000.The present invention is silicon polyethers emulsion type defoaming agent, with quick reduction gas-liquid surface tension force, and antifoaming speed is fast, and the suds time is long;Easily disperse in water, can be compatible well with fluid product, it is difficult the floating oil that is demulsified;Stability is high, and consumption is low;It is nontoxic, corrosion-free, without adverse side effect.Environmentally friendly class product, the excellent product performance, and it is cheap, it is a kind of cheap and good-quality tailored version product.

Description

A kind of special defoamer of power plant desulfurization
Technical field
The present invention relates to defoamer field, more particularly to the special defoamer of power plant desulfurization.
Background technology
The discharge of sulfur dioxide is in addition to the natural phenomenas such as volcano eruption, most of burnings for coming from fossil fuel, Because China generates electricity mainly by thermal power generation, based on coal, therefore the substantial amounts of sulfur dioxide that thermal power generation is produced is processed into The maximum exhaust-gas treatment problem in power plant, typically using lime stone, gypsum wet flue gas desulfurizing, due to a large amount of during this Using surfactant, a large amount of foams can be produced;
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of special defoamer of power plant desulfurization, purport The problem of a large amount of foams are produced in solving prior art sweetening process.
A kind of special defoamer of power plant desulfurization, wherein:By weight percentage, including:
Modified organic silicon polyethers 20-40%;
Organic siliconresin 10-25%;
Polymethyl siloxane 5-10%;
Hydrophobic silica 2-8%;
Hydrophilic silicon oxides 2-8%;
OP-10 1-3%;
Lauryl sodium sulfate 2-4%;
Sodium hydroxide 0.1-1%;
Dispersant 0.5-1%;
Preservative 0.01-0.03%.
Wherein modified organic silicon pfpe molecule amount is about 1000-5000.
Carry out above-mentioned each raw material under an inert atmosphere to be mixed and heated, to remove volatile materials.
Described volatile materials is unreacted material and accessory substance.
The present invention is silicon polyethers emulsion type defoaming agent, with quick reduction gas-liquid surface tension force, and antifoaming speed is fast, during suds Between it is long;Easily disperse in water, can be compatible well with fluid product, it is difficult the floating oil that is demulsified;Stability is high, and consumption is low;Nontoxic, It is corrosion-free, without adverse side effect.Environmentally friendly class product, the excellent product performance, and it is cheap, it is a kind of cheap and good-quality special Type product.
Embodiment
The present invention provides a kind of special defoamer of power plant desulfurization, to make the purpose of the present invention, technical scheme and effect more Clear, clear and definite, the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only used to The present invention is explained, is not intended to limit the present invention.
Embodiment 1:
The special defoamer of a kind of power plant desulfurization provided by the present invention, by weight percentage, including:
Modified organic silicon polyethers 40%;
Organic siliconresin 28%;
Polymethyl siloxane 10%;
Hydrophobic silica 6%;
Hydrophilic silicon oxides 7%;
OP-10 3%;
Lauryl sodium sulfate 4%;
Sodium hydroxide 1%;
Dispersant 0.8%;
Preservative 0.2%.
The modified organic silicon pfpe molecule amount is 3000.
The mixing and heating of component as described above are carried out under the space of inert gas, to remove volatile materials.
Described volatile materials is unreacted material and accessory substance.
Embodiment 2:
The special defoamer of a kind of power plant desulfurization provided by the present invention, by weight percentage, including:
Modified organic silicon polyethers 39%;
Organic siliconresin 26%;
Polymethyl siloxane 11%;
Hydrophobic silica 7%;
Hydrophilic silicon oxides 8%;
OP-10 3%;
Lauryl sodium sulfate 4%;
Sodium hydroxide 1%;
Dispersant 0.8%;
Preservative 0.2%.
Wherein modified organic silicon pfpe molecule amount is 3500.
The mixing and heating of each raw material as described above are carried out under an inert atmosphere, to remove volatile materials.
Described volatile materials is unreacted material and accessory substance.
The present invention is silicon polyethers emulsion type defoaming agent, with quick reduction gas-liquid surface tension force, and antifoaming speed is fast, during suds Between it is long;Easily disperse in water, can be compatible well with fluid product, it is difficult the floating oil that is demulsified;Stability is high, and consumption is low;Nontoxic, It is corrosion-free, without adverse side effect.Environmentally friendly class product, the excellent product performance, and it is cheap, it is a kind of cheap and good-quality special Type product.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention Protect scope.

Claims (2)

1. a kind of special defoamer of power plant desulfurization, it is characterised in that:By weight percentage, including:
Modified organic silicon polyethers 20-40%;
Organic siliconresin 10-30%;
Polymethyl siloxane 5-15%;
Hydrophobic silica 2-8%;
Hydrophilic silicon oxides 2-8%;
OP-10 1-3%;
Lauryl sodium sulfate 2-4%;
Sodium hydroxide 0.1-1%;
Dispersant 0.5-1%;
Preservative 0.01-0.03%.
2. the special defoamer of a kind of power plant desulfurization according to claim 1, it is characterised in that:The modified organic silicon polyethers Molecular weight is 1000-5000.
CN201611225215.9A 2016-12-27 2016-12-27 A kind of special defoamer of power plant desulfurization Pending CN107050935A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611225215.9A CN107050935A (en) 2016-12-27 2016-12-27 A kind of special defoamer of power plant desulfurization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611225215.9A CN107050935A (en) 2016-12-27 2016-12-27 A kind of special defoamer of power plant desulfurization

Publications (1)

Publication Number Publication Date
CN107050935A true CN107050935A (en) 2017-08-18

Family

ID=59623761

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611225215.9A Pending CN107050935A (en) 2016-12-27 2016-12-27 A kind of special defoamer of power plant desulfurization

Country Status (1)

Country Link
CN (1) CN107050935A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090093598A1 (en) * 2006-09-01 2009-04-09 Goldschmidt Gmbh Use of Grafted Polyethersiloxane Copolymers for Improving the Low-Temperature Stability of Antifoams in Aqueous Dispersions
CN101632908A (en) * 2009-08-19 2010-01-27 南京四新科技应用研究所有限公司 Method for preparing defoaming agent composition
CN101652164A (en) * 2006-10-10 2010-02-17 陶氏康宁公司 Silicone foam control agent
CN102337031A (en) * 2011-06-29 2012-02-01 南京四新科技应用研究所有限公司 Organosilicon composition with low viscosity and its preparation method
CN102940982A (en) * 2012-11-26 2013-02-27 西安道尔达化工有限公司 High-efficiency defoaming agent for biological fermentation system and preparation process of high-efficiency defoaming agent

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090093598A1 (en) * 2006-09-01 2009-04-09 Goldschmidt Gmbh Use of Grafted Polyethersiloxane Copolymers for Improving the Low-Temperature Stability of Antifoams in Aqueous Dispersions
CN101652164A (en) * 2006-10-10 2010-02-17 陶氏康宁公司 Silicone foam control agent
CN101632908A (en) * 2009-08-19 2010-01-27 南京四新科技应用研究所有限公司 Method for preparing defoaming agent composition
CN102337031A (en) * 2011-06-29 2012-02-01 南京四新科技应用研究所有限公司 Organosilicon composition with low viscosity and its preparation method
CN102940982A (en) * 2012-11-26 2013-02-27 西安道尔达化工有限公司 High-efficiency defoaming agent for biological fermentation system and preparation process of high-efficiency defoaming agent

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Application publication date: 20170818