CN1940004A - Environmental-protective cheap snowmelt composition with small destructive corrosion and its production - Google Patents
Environmental-protective cheap snowmelt composition with small destructive corrosion and its production Download PDFInfo
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- CN1940004A CN1940004A CN 200510105676 CN200510105676A CN1940004A CN 1940004 A CN1940004 A CN 1940004A CN 200510105676 CN200510105676 CN 200510105676 CN 200510105676 A CN200510105676 A CN 200510105676A CN 1940004 A CN1940004 A CN 1940004A
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Abstract
A snowmelt composition and its production are disclosed. It contains multiple natural and recovered resources, it's cheap and has less corrosive destructiveness and can substitute chlorine salt snowmelt agent.
Description
Technical field
The present invention relates to a kind of corrosion failure little cheap again environment protection snow-dissolved composition and method for making thereof, belong to fine chemistry industry and environmental protection field.
Background technology
As everyone knows, on the road of severe cold area, spill villaumite with the ice and snow on the melting road surface in the winter time through regular meeting.Although this measure is all very effective in the time of-30 ℃--40 ℃, villaumite can cause serious environmental to be destroyed.Metal and concrete in the Infrastructure such as vehicle, highway and bridge there are stronger corrosive nature, and burn the trees and the polluted surface water in roadside to death.However, because villaumite has snow melt performance preferably, price is cheap again, when not having better snow melt material, at present can't.
The U.S. is in the eighties in last century, is to substitute express highway snow melting agent (villaumite), and develops a kind of environment-friendly type product innovation---and calcium magnesium acetate (to call CMA in the following text), its good water solubility, freezing point are low, biodegradable.Compare with villaumite, corrosion and pollution reduce many.But because CMA uses the Glacial acetic acid manufacturing, cost is too high, is difficult to generally be accepted by the people, can only be used for strict area and occasion, as the drome.
Another snow melt material that often is proposed use is a urea, though the too late villaumite of its snow melt ability, it is more much smaller than villaumite to the corrosion failure of vehicle, road, bridge, trees.In sum, more than three kinds of snow melt materials itself, be not gratifying snow melt material.
Summary of the invention
Purpose of the present invention just is to provide a kind of snow melt ability suitable with villaumite, but corrosion failure reduces the snow melting composition of the cheapness of environmental protection greatly than villaumite.
The present invention is characterized in: few with even not using villaumite, use corrosion failure little snow melt material C MA and urea more; And adopting recovery acetic acid and magnisite powder is that raw material is CMA, and the long lasting carbon ammonium of usefulness as much as possible again replaces urea, to reduce the cost of snow melting composition;---methyl glucoside (be called for short MeG) and water-absorbing material---natural montmorillonite that adopts the cheap snow melt material of another kind of excellent performance simultaneously is to improve snow melt and environmental-protecting performance.The present invention is together composite with two or more science of above material, makes and satisfies different areas, different occasion, the different snow melting composition that requires.
Embodiment
The invention will be further described below in conjunction with embodiment.
1. acid-base neutralisation system calcium magnesium acetate
Pour about 50% recovery acetic acid into reactor under the room temperature, then the magnesite breeze that crushes is dropped in the reactor by stoichiometry and stir, control reaction temperature is no more than 40 ℃, and PH is adjusted between 7-9 in the back that reacts completely, CMA is made in cooling, crystallization, separation.
2. be mixed
In CMA, calcium chloride, MeG, the urea (or long-term efficiency bicarbonate ammonium) two or more are dropped in the mixing agitator successively in proportion, fully stir, mix.
3. granulation
Above-mentioned compound is dropped in the screw extrusion drying machine, dehydration, disperse, dry, granulation, make the snow melting composition of different size.
Embodiment 1:
With 1.5 parts of calcium chloride, 0.5 part of CMA, 1 part of urea (or long-term efficiency bicarbonate ammonium), 1 part of MeG and 1 part of natural montmorillonite mixing granulation snow melting composition.But said composition the experiment proved that subzero 10 ℃ of snow melts.
Embodiment 2:
With 1 part of CMA, 1 part of natural montmorillonite, 1 part of MeG mixing granulation snow melting composition.Said composition the experiment proved that, but subzero 20 ℃ of snow melts.
Claims (1)
1. a corrosion failure little cheap again environment protection snow-dissolved composition and method for making thereof is characterized in that, and be few with even not using villaumite, uses the little snow melt material of corrosion failure---CMA and urea more; And adopting recovery acetic acid and magnisite powder is raw material, produces CMA by the acid-base neutralisation reaction, as much as possible again with the cost of the alternative urea of long-term efficiency bicarbonate ammonium with the reduction snow melting composition; Adopt the cheaper another kind of snow melt material of the more excellent price of performance---MeG and absorbing material natural montmorillonite simultaneously, to improve snow melt and environmental-protecting performance; The present invention with two or more of above material by the dry forcing machine dehydration of spiral, dispersion, drying, granulation, make the snow melting composition that satisfies different areas, different occasion, different demands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510105676 CN1940004A (en) | 2005-09-30 | 2005-09-30 | Environmental-protective cheap snowmelt composition with small destructive corrosion and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510105676 CN1940004A (en) | 2005-09-30 | 2005-09-30 | Environmental-protective cheap snowmelt composition with small destructive corrosion and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1940004A true CN1940004A (en) | 2007-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200510105676 Pending CN1940004A (en) | 2005-09-30 | 2005-09-30 | Environmental-protective cheap snowmelt composition with small destructive corrosion and its production |
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| CN (1) | CN1940004A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787216B (en) * | 2010-01-25 | 2012-07-11 | 重庆鹏方路面工程技术研究院有限公司 | Anticoagulant icer for asphalt concrete crushed stone sealing layer and preparation method thereof |
| CN102775959A (en) * | 2012-07-16 | 2012-11-14 | 深圳市科中大交通建材有限公司 | Novel environment-friendly snow-melting agent and preparation method thereof |
| CN104355984A (en) * | 2014-11-25 | 2015-02-18 | 姜升林 | Preparation process and application of calcium magnesium acetate |
-
2005
- 2005-09-30 CN CN 200510105676 patent/CN1940004A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787216B (en) * | 2010-01-25 | 2012-07-11 | 重庆鹏方路面工程技术研究院有限公司 | Anticoagulant icer for asphalt concrete crushed stone sealing layer and preparation method thereof |
| CN102775959A (en) * | 2012-07-16 | 2012-11-14 | 深圳市科中大交通建材有限公司 | Novel environment-friendly snow-melting agent and preparation method thereof |
| CN104355984A (en) * | 2014-11-25 | 2015-02-18 | 姜升林 | Preparation process and application of calcium magnesium acetate |
| CN104355984B (en) * | 2014-11-25 | 2016-03-23 | 姜升林 | The preparation technology of calcium magnesium acetate and application |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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