CN105524594A - Environment-friendly compound snow-melting agent and preparation method thereof - Google Patents
Environment-friendly compound snow-melting agent and preparation method thereof Download PDFInfo
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- CN105524594A CN105524594A CN201610072174.8A CN201610072174A CN105524594A CN 105524594 A CN105524594 A CN 105524594A CN 201610072174 A CN201610072174 A CN 201610072174A CN 105524594 A CN105524594 A CN 105524594A
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- snow
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
- C09K3/185—Thawing materials
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Abstract
The invention provides an environment-friendly compound snow-melting agent and also provides a preparation method of the environment-friendly compound snow-melting agent. The environment-friendly compound snow-melting agent is prepared from 80-95 parts of compound salt, 5-20 parts of a corrosion inhibitor and 1-2 parts of a plant growth aid. The prepared environment-friendly compound snow-melting agent has excellent snow and ice melting capability, has small corrosion to metal and concrete and is harmless to plants.
Description
Technical field
The present invention relates to a kind of Snow Agent and preparation method thereof, particularly relate to a kind of environmental protection composite snow-melting agent and preparation method thereof.
Background technology
Along with developing rapidly of transportation, for ensureing the safety of road and unimpeded, since the nineties in 20th century, North America, Northern Europe, Japan, China etc. avenge countries and regions more, for separating the harm of deicing, dropped into a large amount of human and material resources, explored many effective preventions and remove the method for ice and snow, these method synthesis have got up to be divided into that physics is anti-skidding, snow removal with machine and chemical thaw three class.
Chemical thaw method mainly adopts Snow Agent to carry out snow-removing and ice-thawing.Snow Agent is mainly divided into compound salt form, non-composite salt form and mixed type, is mainly used in the places such as airport, highway, railway, avenue, plays snow removing or antifreeze effect.Composite salt Snow Agent, because its snow melt is effective, low price, is widely used in the snow-removing and ice-thawing of road always.But composite salt Snow Agent has stronger destructiveness, be mainly reflected in and metal, concrete are produced to heavy corrosion, thus greatly destroy highway infrastructures and highway periphery ecotope, cause great financial loss.So it is effective to study a kind of snow melt, with low cost and little to metal, concrete erosion, to the high-efficient environmental protective snowmelting agent product of plant without harm, have great importance and good application prospect.
Summary of the invention
In order to solve above technical problem, the invention provides a kind of environmental protection composite snow-melting agent, Snow Agent raw material sources provided by the invention are extensive, and cheap, snow melt is effective, compared with traditional Snow Agent, greatly can reduce Snow Agent to metal and concrete corrosion.
Environmental protection composite snow-melting agent provided by the invention, is formed by the preparation of raw material of following weight ratio:
Composite salt 80-95
Inhibiter 5-20
Plant-growth auxiliary agent 1-2.
Described composite salt is made up of sodium-chlor, Repone K and CMA; Described inhibiter is made up of Sodium hexametaphosphate 99, water glass, sodium wolframate, Sodium Benzoate and maltonic acid sodium; Described plant-growth auxiliary agent is made up of calcium formiate and indolylacetic acid.
The weight composition of material described above is preferably:
Composite salt 85-90
Inhibiter 8-15
Plant-growth auxiliary agent 1-2.
The weight composition of described composite salt is preferably:
Sodium-chlor 60-80
Repone K 10-30
CMA5-10。
The weight composition of described composite salt is more preferably:
Sodium-chlor 60-65
Repone K 10-20
CMA6-10。
The weight composition of described inhibiter is preferably:
Sodium hexametaphosphate 5-40
Water glass 5-15
Sodium wolframate 5-40
Sodium Benzoate 5-25
Maltonic acid sodium 5-15.
The weight composition of described inhibiter is more preferably:
Sodium hexametaphosphate 5-25
Water glass 10-15
Sodium wolframate 15-25
Sodium Benzoate 5-10
Maltonic acid sodium 10-15.
The weight composition of described plant-growth auxiliary agent is preferably:
Calcium formiate 60-80
Indolylacetic acid 20-40.
The weight composition of described plant-growth auxiliary agent is more preferably:
Calcium formiate 65-75
Indolylacetic acid 25-35.
Described Snow Agent is solid particulate, and its particle diameter is 2-4mm.
The preparation method of low corrosion environmental protection composite snow-melting agent of the present invention, comprises following steps:
(1) take sodium-chlor, Repone K and CMA by proportioning, be mixed to get composite salt;
(2) take sodium hexametaphosphate, water glass, sodium wolframate, Sodium Benzoate and maltonic acid sodium by proportioning, be mixed to get inhibiter;
(3) take calcium formiate, indolylacetic acid by proportioning, be mixed to get plant-growth auxiliary agent;
(4) composite salt, inhibiter and plant-growth auxiliary agent are at room temperature carried out being uniformly mixed rear granulation, then by standard sieve, namely obtain low corrosion environmental protection composite snow-melting agent.
The low corrosion environmental protection composite snow-melting agent of index of the present invention has following advantages:
1. the main raw material that the present invention uses is sodium-chlor, Repone K and CMA, its wide material sources, with low cost; And can be the coproduction composite salt in Chemical Manufacture, by physics or chemical process, nuisanceless disposal be carried out to it, obtain qualified industrial raw material;
2. inhibiter of the present invention can form layer protecting film in metallic surface, suppresses composite salt to corrosion of metal, thus to metal, concrete extent of corrosion when reducing Snow Agent use, decreases Snow Agent and use the economic damage brought public infrastructure; The use of plant-growth auxiliary agent inhibits Snow Agent to the infringement of plant;
3. the method preparing low corrosion environmental protection composite snow-melting agent provided by the invention is simple, and operation is carried out at normal temperatures and pressures, mild condition, cheaper starting materials, is easy to get, and Snow-melting speed is fast, is applicable to scale operation.
Embodiment
Following embodiment further illustrates using as the explaination to the technology of the present invention content for content of the present invention; but flesh and blood of the present invention is not limited in described in following embodiment, those of ordinary skill in the art can and should know any based on simple change of the present invention or replace all should belong to protection domain of the presently claimed invention.
(1) low corrosion environmental protection composite snow-melting agent prescription
Table 1 is listed 5 kinds and is represented embodiment, and wherein said numerical value refers to the weight percent of each component in Snow Agent.
Table 1 low corrosion environmental protection composite snow-melting agent prescription forms
(2) freezing test
Compound concentration is the Snow Agent aqueous solution of 200g/L, inserted by thermometer in this aqueous solution, be placed on and be below the freezing point in the environment of temperature, record temperature over time, draw temperature-time curve, curve locates the corresponding temperature i.e. freezing point temperature of Snow Agent under concentration for this reason gently.The results are shown in Table 2.
Table 2 freezing point test result (curve plotting is experimentation, and result provides freezing point temperature exactly)
。
(3) ice-melt velocity measuring experiment
According to road deicing Snow Agent standard GB/T 23851-2009, snow melt aptitude tests are carried out to above-mentioned low corrosion composite snow-melting agent.
Experimental technique: add 300mL water in several 500mL beakers, being placed in cryostat to freezing, weighing the quality of beaker and ice cube, for subsequent use.Above-mentioned each Snow Agent is made into the aqueous solution of 200g/L again, gets in the beaker ice cube that 50mL pours into above, take out beaker, topple over its solution after 30min, and weigh the quality of residue ice cube and beaker rapidly, twice of poor quality is designated as m
1.Under equal conditions, be sodium-chlor contrast experiment, experimental result is in table 3.
Table 3 different Snow Agent formula ice melting capability result
。
(4) carbon steel corrosion experiment
According to GB GB10124-1988, above-mentioned 5 kinds of formulas are carried out to the erosion rate test of carbon steel, testing sequence is as follows:
A. by the method cleaning oil removing of A3 steel standard test piece according to national regulation, put to room temperature after putting into the rapid drying of moisture eliminator, survey its area, weight is also numbered one by one;
B. in 6 2L beakers, pour 1L distilled water respectively into, be denoted as 0,1,2,3,4 and No. 5 respectively, in No. 0 beaker, add 200g sodium-chlor, in all the other 5 beakers, add the Snow Agent 200g of embodiment 1-5 formula respectively;
C. the steel disc handled well by step a is suspended on nylon rope in the solution prepared respectively, makes steel disc be in the position of solution lower middle;
D. by steel disc successive soaking 48h in the solution, brush off steel disc surface iron rust with brush after taking-up, then with alcohol, acetone cleaning, after putting into moisture eliminator rapid drying, calculate of poor quality after weighing one by one.Experimental result is in table 4.
The corrosion experiment result of table 4 carbon steel
Relative sodium-chlor corrosion rate is for 100% with sodium-chlor corrosion rate.
(5) pH value test
According to GB GB/T23851-2009, take 1.00 ± 0.01g Snow Agent solid sample, first use 5mL ethanol wet, then add 100mL remove carbonic acid gas water, be made into Snow Agent solution, directly measure with pH meter.Experimental result is in table 5.
Table 5pH test result
(6) Plant Tolerance experiment
According to road deicing Snow Agent standard GB/T 23851-2009, Plant Tolerance experiment is carried out to above-mentioned sample, experimentation is: use common lawn as evaluation plant, mark 4 ㎡ × 6, each using dosage is 5g/ ㎡, once in a week, until the accumulative fountain height before the phenomenon that occurs being injured is dosis tolerata, represent with g/ ㎡, experimental result is in table 6.
Table 6 Plant Tolerance experimental result
Comprehensive These parameters can be found out, Snow Agent snow melt efficiency of the present invention is high, to metal and plant damage little, be a kind of environment protection snow-dissolved agent of low corrosion.
Claims (9)
1. an environmental protection composite snow-melting agent, is characterized in that, is prepared from by the raw material of following weight ratio:
Composite salt 80-95
Inhibiter 5-20
Plant-growth auxiliary agent 1-2.
2. environmental protection composite snow-melting agent according to claim 1, is characterized in that, is prepared from by the raw material of following weight ratio:
Composite salt 85-90
Inhibiter 8-15
Plant-growth auxiliary agent 1-2.
3. environmental protection composite snow-melting agent according to claim 1, is characterized in that, the weight ratio of described composite salt is:
Sodium-chlor 60-80
Repone K 10-30
CMA5-10。
4. environmental protection composite snow-melting agent according to claim 3, is characterized in that, the weight ratio of described composite salt is:
Sodium-chlor 60-65
Repone K 10-20
CMA6-10。
5. environmental protection composite snow-melting agent according to claim 1, is characterized in that, the weight ratio of described inhibiter is:
Sodium hexametaphosphate 5-40
Water glass 5-15
Sodium wolframate 5-40
Sodium Benzoate 5-25
Maltonic acid sodium 5-15.
6. environmental protection composite snow-melting agent according to claim 5, is characterized in that, the weight ratio of described inhibiter is:
Sodium hexametaphosphate 5-25
Water glass 10-15
Sodium wolframate 15-25
Sodium Benzoate 5-10
Maltonic acid sodium 10-15.
7. environmental protection composite snow-melting agent according to claim 1, is characterized in that, the weight ratio of described plant-growth auxiliary agent is:
Calcium formiate 60-80
Indolylacetic acid 20-40.
8. environmental protection composite snow-melting agent according to claim 7, is characterized in that, the weight ratio of described plant-growth auxiliary agent is:
Calcium formiate 65-75
Indolylacetic acid 25-35.
9. a preparation method for the environmental protection composite snow-melting agent according to any one of claim 1-8, is characterized in that, comprise following steps:
(1) take sodium-chlor, Repone K and CMA by proportioning, be mixed to get composite salt;
(2) take sodium hexametaphosphate, water glass, sodium wolframate, Sodium Benzoate and maltonic acid sodium by proportioning, be mixed to get inhibiter;
(3) take calcium formiate, indolylacetic acid by proportioning, be mixed to get plant-growth auxiliary agent;
(4) composite salt, inhibiter and plant-growth auxiliary agent are at room temperature carried out being uniformly mixed rear granulation, sieve, namely obtain environmental protection composite snow-melting agent.
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| CN201610072174.8A CN105524594A (en) | 2016-02-02 | 2016-02-02 | Environment-friendly compound snow-melting agent and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860931A (en) * | 2016-05-05 | 2016-08-17 | 中盐金坛盐化有限责任公司 | Efficient corrosion-inhibiting anti-freezing deicing agent and preparation method thereof |
| CN110205098A (en) * | 2019-07-10 | 2019-09-06 | 西安华泽道路材料有限公司 | Industrial salt snow-melting agent additive and using method |
| CN110452666A (en) * | 2019-07-24 | 2019-11-15 | 贵州平通路桥有限公司 | A kind of deicing salt mitigating highway bridge floor metal protection |
| CN114196378A (en) * | 2021-12-10 | 2022-03-18 | 煤炭科学技术研究院有限公司 | Chlorine-free environment-friendly snow melting agent and preparation method thereof |
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| US5595679A (en) * | 1995-06-13 | 1997-01-21 | Jacam Chemical Partners Ltd. | Corrosion inhibitor |
| CN101691480A (en) * | 2009-10-28 | 2010-04-07 | 交通部科学研究院 | Environment friendly type 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 |
| CN104293298A (en) * | 2014-09-29 | 2015-01-21 | 黄山九星环保科技有限公司 | Low-corrosion and high-efficiency chlorine salt deicing agent and preparation method thereof |
-
2016
- 2016-02-02 CN CN201610072174.8A patent/CN105524594A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5595679A (en) * | 1995-06-13 | 1997-01-21 | Jacam Chemical Partners Ltd. | Corrosion inhibitor |
| CN101691480A (en) * | 2009-10-28 | 2010-04-07 | 交通部科学研究院 | Environment friendly type 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 |
| CN104293298A (en) * | 2014-09-29 | 2015-01-21 | 黄山九星环保科技有限公司 | Low-corrosion and high-efficiency chlorine salt deicing agent and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860931A (en) * | 2016-05-05 | 2016-08-17 | 中盐金坛盐化有限责任公司 | Efficient corrosion-inhibiting anti-freezing deicing agent and preparation method thereof |
| CN110205098A (en) * | 2019-07-10 | 2019-09-06 | 西安华泽道路材料有限公司 | Industrial salt snow-melting agent additive and using method |
| CN110205098B (en) * | 2019-07-10 | 2022-05-13 | 西安华泽道路材料有限公司 | Industrial salt snow-melting agent additive and using method |
| CN110452666A (en) * | 2019-07-24 | 2019-11-15 | 贵州平通路桥有限公司 | A kind of deicing salt mitigating highway bridge floor metal protection |
| CN114196378A (en) * | 2021-12-10 | 2022-03-18 | 煤炭科学技术研究院有限公司 | Chlorine-free environment-friendly snow melting agent and preparation method thereof |
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