CN103351845A - Environment-friendly snow-melting salt and production method thereof - Google Patents
Environment-friendly snow-melting salt and production method thereof Download PDFInfo
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- CN103351845A CN103351845A CN201310245537XA CN201310245537A CN103351845A CN 103351845 A CN103351845 A CN 103351845A CN 201310245537X A CN201310245537X A CN 201310245537XA CN 201310245537 A CN201310245537 A CN 201310245537A CN 103351845 A CN103351845 A CN 103351845A
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Abstract
The invention discloses an environment-friendly snow-melting salt, which is characterized by comprising the following components by weight percentage: 93% of powdery refined salt, 3% of citrate, 2% of sodium metasilicate and 2% of urea, wherein the citrate is sodium citrate, potassium citrate, magnesium citrate or calcium citrate. The environment-friendly snow-melting salt is capable of effectively reducing corrosion to metal and concrete structures and effectively improving the salinization resistance of seeds, plants and soil; the citrate permeates into roads and bridges and is gathered and attached on the surfaces of the reinforcements of the roads and the bridges, so that corrosion of a chlorine salt solution to the reinforcements is blocked, and as a result, the effect of protecting the roads and the bridges is achieved; besides, the environment-friendly snow-melting salt is convenient to use, non-toxic and harmless, non-corrosive, good in permeability, quick and lasting, and the like.
Description
Technical field
The present invention relates to a kind of Snow Agent and preparation method thereof, specifically, relate to a kind of environment-friendly snowmelt salt and preparation method thereof.
Background technology
Cold area in the winter time, owing to snowfall makes traffic difficulties, so various countries' measure of generally taking to shed snow-melting antifreezer solve winter because of snow, ice the traffic problems that cause.In a variety of snow-melting antifreezers, inorganic salts thaws soon because of its snow melt, and is economic and practical and be widely used.At present, there is more than 100 Snow Agent (containing industrial frostproofer) manufacturing enterprise in China, and the overwhelming majority is private small business, and these production equipments and technique fall behind, be raw material more without technical research strength, and mainly with villaumite, simply composite, kind is single, unstable product quality, and side effect is obvious.As using at present a most widely class Snow Agent, villaumite has corrodibility to metal and concrete, and vegetation and soil is had hazardness, can greatly destroy highway foundation facility and highway periphery ecotope.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, environment-friendly snowmelt salt that a kind of cheap, Snow-melting speed is fast, the snow melt ability is strong and preparation method thereof is provided, can significantly reduces to the corrosion of metal and concrete structure and to the harm of peripheral vegetation and soil.
For addressing the above problem, the present invention by the following technical solutions: a kind of environment-friendly snowmelt salt is characterized in that: the component that comprises following weight percent: powder refined salt 93%, Citrate trianion 3%, Starso 2%, urea 2%.
Described Citrate trianion is Trisodium Citrate, Tripotassium Citrate, magnesium citrate or citrate of lime.
The making method of environment-friendly snowmelt salt is: comprise the steps:
(1) get each component by each weight percent, it is even to put into stirrer for mixing;
(2) mixed material is sent in the pressing granula machine machine by rotary conveyor, be pressed into sphere;
(3) the following particle of particle diameter 8mm is got in screening, makes environment-friendly snowmelt salt.
Principle: the zero pour of salt solution is lower than the zero pour of water, has therefore dissolved salt and just be difficult to form ice cube afterwards again in snow-broth, and in addition, after Snow Agent was water-soluble, water intermediate ion concentration rose, and the liquid phase vapour pressure of water is descended, but the solid-state vapour pressure of ice is constant.For reaching the state of mixture of ice and water solid-liquid vapour pressure, ice has just melted.Briefly, be exactly the molten point that Snow Agent has reduced snow, make its easier thawing; Citrate trianion infiltrates road and bridge is inner; the corrosion of chloride solution to reinforcing bar blocked on the poly-surface that is attached to the reinforcing bar of road and bridge, thereby reaches the effect of protection road and bridge.
The present invention compared with prior art; have the following advantages: the present invention can effectively reduce the corrodibility to metal and concrete structure; effectively improve the anti-salinization ability of seed, plants and soil; Citrate trianion infiltrates road and bridge is inner; the poly-surface that is attached to the reinforcing bar of road and bridge; block the corrosion of chloride solution to reinforcing bar, thereby reached the effect of protection road and bridge, had the characteristics such as easy to use, nontoxic, that the burn into perviousness is not strong, quick and durable.
Below in conjunction with embodiment technical scheme of the present invention is described further:
Embodiment
Embodiment 1, and a kind of environment-friendly snowmelt salt is characterized in that: the component that comprises following weight percent: powder refined salt 93%, Trisodium Citrate 3%, Starso 2%, urea 2%.
The making method of environment-friendly snowmelt salt is: comprise the steps:
(1) get each component by each weight percent, it is even to put into stirrer for mixing;
(2) mixed material is sent in the pressing granula machine machine by rotary conveyor, be pressed into sphere;
(3) the following particle of particle diameter 8mm is got in screening, makes environment-friendly snowmelt salt.
Embodiment 2, and a kind of environment-friendly snowmelt salt is characterized in that: the component that comprises following weight percent: powder refined salt 93%, Tripotassium Citrate 3%, Starso 2%, urea 2%.
The making method of environment-friendly snowmelt salt is: comprise the steps:
(1) get each component by each weight percent, it is even to put into stirrer for mixing;
(2) mixed material is sent in the pressing granula machine machine by rotary conveyor, be pressed into sphere;
(3) the following particle of particle diameter 8mm is got in screening, makes environment-friendly snowmelt salt.
Embodiment 3, and a kind of environment-friendly snowmelt salt is characterized in that: the component that comprises following weight percent: powder refined salt 93%, Citrate trianion 3%, metasilicic acid magnesium 2%, urea 2%.
The making method of environment-friendly snowmelt salt is: comprise the steps:
(1) get each component by each weight percent, it is even to put into stirrer for mixing;
(2) mixed material is sent in the pressing granula machine machine by rotary conveyor, be pressed into sphere;
(3) the following particle of particle diameter 8mm is got in screening, makes environment-friendly snowmelt salt.
Embodiment 4, and a kind of environment-friendly snowmelt salt is characterized in that: the component that comprises following weight percent: powder refined salt 93%, citrate of lime 3%, Starso 2%, urea 2%.
The making method of environment-friendly snowmelt salt is: comprise the steps:
(1) get each component by each weight percent, it is even to put into stirrer for mixing;
(2) mixed material is sent in the pressing granula machine machine by rotary conveyor, be pressed into sphere;
(3) the following particle of particle diameter 8mm is got in screening, makes environment-friendly snowmelt salt.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. an environment-friendly snowmelt salt is characterized in that: the component that comprises following weight percent: powder refined salt 93%, Citrate trianion 3%, Starso 2%, urea 2%.
2. a kind of environment-friendly snowmelt salt as claimed in claim 1, it is characterized in that: described Citrate trianion is Trisodium Citrate, Tripotassium Citrate, magnesium citrate or citrate of lime.
3. the making method of an environment-friendly snowmelt salt as claimed in claim 1 or 2 is characterized in that: comprise the steps:
(1) get each component by each weight percent, it is even to put into stirrer for mixing;
(2) mixed material is sent in the pressing granula machine machine by rotary conveyor, be pressed into sphere;
(3) the following particle of particle diameter 8mm is got in screening, makes environment-friendly snowmelt salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310245537XA CN103351845A (en) | 2013-06-09 | 2013-06-09 | Environment-friendly snow-melting salt and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310245537XA CN103351845A (en) | 2013-06-09 | 2013-06-09 | Environment-friendly snow-melting salt and production method thereof |
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| CN103351845A true CN103351845A (en) | 2013-10-16 |
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| CN201310245537XA Pending CN103351845A (en) | 2013-06-09 | 2013-06-09 | Environment-friendly snow-melting salt and production method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671541A (en) * | 2009-10-28 | 2010-03-17 | 交通部科学研究院 | Environment-friendly snow melt agent |
| CN101691481A (en) * | 2009-10-28 | 2010-04-07 | 交通部科学研究院 | Compound chloride-based environment-friendly snowmelt agent |
| CN101691480A (en) * | 2009-10-28 | 2010-04-07 | 交通部科学研究院 | Environment friendly type snow melt agent |
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2013
- 2013-06-09 CN CN201310245537XA patent/CN103351845A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671541A (en) * | 2009-10-28 | 2010-03-17 | 交通部科学研究院 | Environment-friendly snow melt agent |
| CN101691481A (en) * | 2009-10-28 | 2010-04-07 | 交通部科学研究院 | Compound chloride-based environment-friendly snowmelt agent |
| CN101691480A (en) * | 2009-10-28 | 2010-04-07 | 交通部科学研究院 | Environment friendly type snow melt agent |
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Application publication date: 20131016 |
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| RJ01 | Rejection of invention patent application after publication |