CN1180048A - Composition preventing potassium nitrate from caking and its use - Google Patents
Composition preventing potassium nitrate from caking and its use Download PDFInfo
- Publication number
- CN1180048A CN1180048A CN 96111945 CN96111945A CN1180048A CN 1180048 A CN1180048 A CN 1180048A CN 96111945 CN96111945 CN 96111945 CN 96111945 A CN96111945 A CN 96111945A CN 1180048 A CN1180048 A CN 1180048A
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- potassium nitrate
- caking
- ether
- saltpetre
- poly
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Abstract
The present invention relates to an antiblocking agent preventing potassium nitrate from blocking and its application. It is characterized by adding micro-quantity of antiblocking agent obtained by mixing hydrocarbyl aryl sulfonate, aliphatic alcohol polyethenoxy ether and polysiloxane-5s according to a certain proportion in potassium nitrate solution so as to cover the hydrophilic surface with hydrophobic organic substance and form a water-resisting layer on the potassium nitrate crystal surface, so that said water-resisting layer can prevent the potassium nitrate crystal from absorbing moisture, and reduce water content, therefore it obtainsthe antiblocking effect.
Description
The present invention relates to a kind of inorganic salt anti-caking block composition, particularly prevent the composition and the application thereof of saltpetre caking.
As everyone knows, saltpetre is a kind of important Inorganic Chemicals, and it is widely used in manufacturings such as pottery, glass, explosive.Chinese patent application prospectus CN86101635A discloses a kind of preparation method of saltpetre and the joint process of byproduct ammonium chloride, but the saltpetre that obtains is thus often only put two weeks after production, the caking and the phenomenon that hardens just can take place, this makes troubles not only for user's storage and use, but also the accident of easily blasting has greatly limited the use range of saltpetre.Caking reason according to inorganic salt such as saltpetre, common way is to adopt control foreign matter content, reinforcement drying at present, use weather-proof dressing and forced ventilation and control to store means such as stack height, make caking phenomenon obtain to a certain degree improvement, but still can not fundamentally address this problem.
The objective of the invention is in the saltpetre inorganic salt, to add the anti-caking agent, thereby but make the non-caking saltpetre of long storage.
Technical scheme of the present invention realizes that in the following manner the component of its composition is:
(1) alkylaryl sulfonate 50-80% (weight);
(2) fatty alcohol-polyoxyethylene ether 19-48% (weight);
(3) poly-silica ether-5S1-2% (weight).
After the mixing of said components precentagewise weight proportion, saltpetre is dissolved, and in 0.001-0.02: 1 ratio and saltpetre dissolving, heat to 50-100 ℃, reaction times is 30-120 minute, pH value keeps 6-8, thereby make hydrophilic tensio-active agent coat hydrophobic inorganic salt surface fully, when the potassium nitrate crystal plate goes out, formed an anti-water layer at plane of crystal, prevent the moisture absorption and reduced the water content in the crystal, suppressed that to change the crystal growth that produces bonding because of extraneous factor, played anti-caking effect.
The saltpetre purity height of gained of the present invention, impurity is few, and long-term storage is not lumpd.
Following examples describe the present invention in detail.In these embodiments, unless otherwise indicated, all umbers and per-cent are all by weight.
Embodiment 1:
25 parts fatty alcohol-polyoxyethylene ether and 1 part of poly-silica ether-5S stirring are joined in 74 parts of alkylaryl sulfonate, and be dissolved in the potassium nitrate solution in 0.002: 1 ratio, being heated to 70 ℃, the reaction times is 40 minutes, pH value 6.5, Crystallization Separation must be prevented the potassium nitrate crystals of luming then.
Embodiment 2:
46 parts of fatty alcohol-polyoxyethylene ether and 2 parts of poly-silica ether-5S are stirred in the alkylaryl sulfonate that joins 52 parts, and be dissolved in the potassium nitrate solution in 0.003: 1 ratio, being heated to 60 ℃, the reaction times is 60 minutes, pH value 7, Crystallization Separation must be prevented the potassium nitrate crystals of luming then.
Embodiment 3:
Poly-silica ether-5S of 38.5 parts fatty alcohol-polyoxyethylene ether and 1.5 parts is stirred in the alkylaryl sulfonate that joins 60 parts, and be dissolved in the potassium nitrate solution in 0.01: 1 ratio, be heated to 50 ℃, 110 minutes reaction times, pH value 7.5, Crystallization Separation must be prevented the potassium nitrate crystals of luming.
Claims (5)
1, a kind of composition that prevents the saltpetre caking, it consists of by weight percentage:
The alkylaryl sulfonate of a, 50-80%;
The fatty alcohol-polyoxyethylene ether of b, 19-48%;
Poly-silica ether-5S of c, 1-2%.
2, composition according to claim 1 is characterized in that:
A, 74% alkylaryl sulfonate;
B, 25% fatty alcohol-polyoxyethylene ether;
C, poly-silica ether-5S of 1%.
3, composition according to claim 1 is characterized in that:
A, 52% alkylaryl sulfonate;
B, 46% fatty alcohol-polyoxyethylene ether;
C, poly-silica ether-5S of 2%.
4, composition according to claim 1 is characterized in that:
A, 60% alkylaryl sulfonate;
B, 38.5% fatty alcohol-polyoxyethylene ether;
C, poly-silica ether-5S of 1.5%.
5, according to composition purposes any described in the claim 1 to 4, it is characterized in that mixture and potassium nitrate solution in 0.001-0.02: 1 ratio dissolving post-heating is to 50-100 ℃, reaction is 30-120 minute under this temperature, pH value keeps 6-8, and then crystallization must be prevented the saltpetre that lumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96111945 CN1180048A (en) | 1996-08-30 | 1996-08-30 | Composition preventing potassium nitrate from caking and its use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96111945 CN1180048A (en) | 1996-08-30 | 1996-08-30 | Composition preventing potassium nitrate from caking and its use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1180048A true CN1180048A (en) | 1998-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96111945 Pending CN1180048A (en) | 1996-08-30 | 1996-08-30 | Composition preventing potassium nitrate from caking and its use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1180048A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007136381A1 (en) * | 2006-05-23 | 2007-11-29 | Honeywell International Inc. | Process to prepare free flowing potassiium nitrate for oral care |
| CN104892806A (en) * | 2015-06-10 | 2015-09-09 | 贵州润晋碳元素材料有限公司 | Moisture-proof and water-proof treatment method of potassium nitrate |
| CN106116806A (en) * | 2016-06-20 | 2016-11-16 | 金正大生态工程集团股份有限公司 | A kind of potassium nitrate anticaking agent and preparation thereof and using method |
| CN107601533A (en) * | 2017-10-27 | 2018-01-19 | 安徽胜达化工科技有限公司 | A kind of method for crystallising of potassium nitrate |
| CN109580309A (en) * | 2018-12-28 | 2019-04-05 | 深圳市博林达科技有限公司 | The preparation method of potassium nitrate standard solution |
| CN114933319A (en) * | 2022-06-06 | 2022-08-23 | 江西春鹏锂业有限责任公司 | Process for producing lithium hydroxide monohydrate from spodumene and production line thereof |
-
1996
- 1996-08-30 CN CN 96111945 patent/CN1180048A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007136381A1 (en) * | 2006-05-23 | 2007-11-29 | Honeywell International Inc. | Process to prepare free flowing potassiium nitrate for oral care |
| CN104892806A (en) * | 2015-06-10 | 2015-09-09 | 贵州润晋碳元素材料有限公司 | Moisture-proof and water-proof treatment method of potassium nitrate |
| CN106116806A (en) * | 2016-06-20 | 2016-11-16 | 金正大生态工程集团股份有限公司 | A kind of potassium nitrate anticaking agent and preparation thereof and using method |
| CN106116806B (en) * | 2016-06-20 | 2019-11-15 | 金正大生态工程集团股份有限公司 | A kind of potassium nitrate anticaking agent and its preparation and application method |
| CN107601533A (en) * | 2017-10-27 | 2018-01-19 | 安徽胜达化工科技有限公司 | A kind of method for crystallising of potassium nitrate |
| CN109580309A (en) * | 2018-12-28 | 2019-04-05 | 深圳市博林达科技有限公司 | The preparation method of potassium nitrate standard solution |
| CN114933319A (en) * | 2022-06-06 | 2022-08-23 | 江西春鹏锂业有限责任公司 | Process for producing lithium hydroxide monohydrate from spodumene and production line thereof |
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