CN108774493A - Anti-skidding increasing resistance composite environment-friendly deicing salt of one kind and preparation method thereof - Google Patents
Anti-skidding increasing resistance composite environment-friendly deicing salt of one kind and preparation method thereof Download PDFInfo
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- CN108774493A CN108774493A CN201810747753.7A CN201810747753A CN108774493A CN 108774493 A CN108774493 A CN 108774493A CN 201810747753 A CN201810747753 A CN 201810747753A CN 108774493 A CN108774493 A CN 108774493A
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- shell
- deicing salt
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- skidding
- salt
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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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- Combustion & Propulsion (AREA)
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- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
The present invention discloses anti-skidding increasing resistance composite environment-friendly deicing salt of one kind and preparation method thereof, and the inside of the deicing salt is the shell of the irregular shape of 1.0~3.0mm of grain size, and surface coats vinegar vinegar calcium and magnesium salt powder；The mass ratio of the vinegar vinegar calcium and magnesium salt powder and shell is 1g：(1~3) g；The granularity of the vinegar vinegar calcium and magnesium salt powder is 80 mesh.Deicing salt of the present invention unsetting one layer of deicing salt of shell core outer wrapping due to being made of, in actual application, the frictional force on road surface is directly increased while melting ice and snow, for comparison sodium chloride deicing salt, freezing point data are -26 DEG C, pH 7.8, the deicing salt have anti-skidding index and show the frictional resistance that can increase on prevailing roadway more than 10 times.Therefore, there is good ice-melt to avenge antiskid effect slope road ice and snow road, can greatly ensures the safe and smooth operation of traffic, ensure that national people's property preserves from.
Description
Technical field
The present invention relates to a kind of deicing salt, more particularly to a kind of anti-skidding increasing resistance composite environment-friendly deicing salt and its preparation side
Method.
Background technology
There are many similar as the characteristics of the road of Dalian City for northern China：The road surfaces Po Lu are more, coastal cities temperature changes in temperature
Alternately change fast, especially annual first snowfall, night, there's a sudden fall in temperature, adds strong wind weather, such morning next day, road by rain turn snow
Face will become to be that face is the ice and snow road avenged, (such ice and snow road is more wet and slippery than single ice or snow road surface) city on ice below
City's traffic is to make the matter worse, and causes to seriously threaten to people's safety, and resulting traffic accident steeply rises, and is handed over
Logical situation deteriorates, chain collision of vehicles pedestrian is due to the fracture that slips, and hospital's fracture patient is overstaffed, directly contributes tremendous economic
Loss.
Calcium acetate magnesium salt (CMA) as the relatively traditional villaumite type deicing salt of organic deicing salt of environmental protection have fusing point it is low, can
It is biodegradable, in highway infrastructures concrete and corrosivity it is small, water source and soil are not polluted substantially
The advantages that, it has been to be concerned by more and more people in recent years.But due to calcium acetate magnesium salt (CMA) light specific gravity, usually with pulverulence
In the presence of applying deicing salt to road and be easy to cause the phenomenon that old soil is flown upward；Another aspect calcium acetate magnesium salt (CMA) environment protection snow-dissolved agent
Cost is higher, is approximately 30 times of sodium chloride, constrain its it is large batch of put into production and use, it is external at present also only
(CMA) apply to airport to remove the snow.
Coastal area shellfish by nest RT-PCR is abundant, and Aquatic Product Process Industry is flourishing, and the shell of shellfish is used for processing some works except individual
It is other generally all to be handled as a kind of waste outside skill product, since pile up like a mountain for shell waste, have evolved to tight
Ghost image rings the degree of environment, therefore also becomes serious environmental problems using waste shell.Have at present and increases ice and snow road resistance
Composite snow-melting agent have not been reported use.
Invention content
The use of resistance-enlarging-type deicing salt is the effective measures effectively to solve the above problems, since the deicing salt is with waste shell
Unsetting particle is core, particle made of one layer of calcium acetate magnesium salt (CMA) of external sheath.Outside deicing salt is melting ice and snow
The inside shell core reveals simultaneously, and unsetting shell particles can be effectively increased road surface friction force, therefore, resistance-enlarging-type snow melt
Agent has the function of that skid resistance increases resistance, and at low cost, environmentally safe, preparation method is simple, has operability.
There is good ice-melt to avenge antiskid effect slope road ice and snow road, can greatly ensure the safe and smooth operation of traffic,
Ensure that national people's property preserves from.
A kind of anti-skidding increasing resistance composite environment-friendly deicing salt, the inside of the deicing salt is the irregular of 1.0~3.0mm of grain size
The shell of shape, surface coat vinegar vinegar calcium and magnesium salt powder；The mass ratio of the vinegar vinegar calcium and magnesium salt powder and shell is 1g：(1~
3)g。
For technique described above scheme, in the case of preferred, the granularity of the vinegar vinegar calcium and magnesium salt powder is 80 mesh.
Another aspect of the present invention is the preparation method for protecting anti-skidding increasing described above to hinder composite environment-friendly deicing salt,
Preparation process is as follows：
1. shell is ground into irregularly shaped particles, the shell of 1.0~3.0mm grain sizes is selected in screening；
2. by shell surface atomized water spray, calcium magnesium acetate salt powder is added and pelletizes；Wherein, vinegar vinegar calcium and magnesium salt powder and shellfish
The mass ratio of shell is 1g：(1~3) g；
3. during granulation, spray timings 1~5 time, Granulation time 50s or more.
For the technical solution of deicing salt preparation method described above, in the case of preferred, powder shell proportioning is
1g：1g.
For the technical solution of deicing salt preparation method described above, in the case of preferred, the Balling time is 90
~150s.
For the technical solution of deicing salt preparation method described above, in the case of preferred, the Balling time is
120s。
For the technical solution of deicing salt preparation method described above, in the case of preferred, the spray timings are 2
It is secondary.
For the technical solution of deicing salt preparation method described above, in the case of preferred, the shell grain size is
2.5mm。
Advantageous effect：
Deicing salt of the present invention is actually being answered due to being made of unsetting one layer of deicing salt of shell core outer wrapping
With in the process, the vinegar vinegar calcium and magnesium salt powder outside deicing salt is while melting ice and snow, the shell core that is wrapped in inside deicing salt
Core reveals, while directly increasing the frictional force on road surface, in currently preferred technical solution, i.e. shell grain size
2.5mm, powder shell proportioning 1：1 (g/g), Balling time 120s, spray timings 2 times, pelletizing balling ratio reaches 82.4% under the conditions of this.
Testing result is：30% solution testing freezing point data are -26 DEG C, and comparison 30% solution testing freezing point data of sodium chloride are -19 DEG C；
PH test results 7.8 meet Beijing technical quality surveillance authority deicing salt index 5.5-9.0；Snow melt and ice melting capability are surveyed
Examination respectively reaches 103.4% and 100% ability of sodium chloride, and Beijing technical quality surveillance authority is many about deicing salt index regulation
It is qualified in sodium chloride 90%, therefore two indexs show qualification.The anti-skidding index of deicing salt tool is shown can be on common road
Increase the frictional resistance more than 10 times on face.Therefore, deicing salt of the present invention has good melt for slope road ice and snow road
Ice and snow antiskid effect can greatly ensure the safe and smooth operation of traffic, ensure that national people's property preserves from.
Description of the drawings
Fig. 1：Influence of the shell grain size to pelletizing balling ratio；
Fig. 2：Oyster shell whiting shell is with the influence for comparing pelletizing balling ratio；
Fig. 3：Influence of the Balling time to pelletizing balling ratio；
Fig. 4：Influence of the spray timings to pelletizing balling ratio.
Specific implementation mode
Following non-limiting embodiments can make those skilled in the art be more fully understood the present invention, but not with
Any mode limits the present invention.
Embodiment 1
One, deicing salt preparation methods
1. the preparation of shell core：It is broken into pieces after shell is cleaned drying, puts grinder into and be ground into irregularly shaped particles,
The shell that five kinds of grain sizes of 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm are selected with vibrosieve is spare；
2. vinegar vinegar calcium and magnesium salt (CMA) is spare with grinder 80 mesh powder of grinding.
3. shell is sprayed water with dry granulation machine, the calcium magnesium acetate salt powder centainly matched is added, rotates one section of granulator
After time, one layer of vinegar vinegar calcium and magnesium salt (CMA) is coated outside shell, grain size reaches that cladding is just made after certain size is environment protection snow-dissolved
Agent particle.
Two, deicing salt preparation methods are granulated impact factor experiment
According to preliminary experiment, setting four influence granulation impact factors is respectively：Shell grain size, powder shell proportioning, Balling time,
Spray timings etc..
1, influence of the shell grain size to pelletizing balling ratio：In spray timings (1times), powder shell proportioning (2：1g/g), pelletizing
Influence result such as (Fig. 1 shell grain size pair of the different shell grain sizes to balling ratio of pelletizing are studied under the conditions of time (90S) respectively
The influence of pelletizing balling ratio) shown in：Although balling ratio is maximum when shell grain size 1mm but pelletizing diameter is too small, continues pelletizing and increase
The dosage of CMA environment protection snow-dissolved agent powder, therefore select tri- parallel carry out orthogonal experiment of shell grain size 1.5mm, 2mm, 2.5mm.
2, the influence of oyster shell whiting shell proportioning pelletizing balling ratio：In spray timings (1times), shell grain size (2.5mm), make
Influence result such as (Fig. 2 oyster shell whiting shell of the different shell grain sizes to balling ratio of pelletizing are studied under the conditions of the ball time (90S) respectively
With the influence for comparing pelletizing balling ratio) shown in：
Oyster shell whiting shell proportioning 1 is selected by figure：1(g/g),1：2(g/g),1：3 (g/g) three is parallel to do orthogonal experiment.
3, influence of the Balling time to pelletizing balling ratio：In spray timings (1times), shell grain size (2.5mm), powder shell
Influence result such as (Fig. 3 Balling time pair of the different shell grain sizes to balling ratio of pelletizing are studied respectively under the conditions of proportioning (1/2)
The influence of pelletizing balling ratio) shown in；
Balling time 60 (s) is selected by Fig. 3,90 (s), 120 (s) three points basically reach a platform, therefore select this three
Point does three parallel carry out orthogonal experiments.
4, influence of the spray timings to pelletizing balling ratio：Balling time (90S), shell grain size (2.5mm), powder shell proportioning
(1/2) different shell grain sizes are studied under the conditions of respectively to the influence result of balling ratio of pelletizing as (Fig. 4 spray timings are to pelletizing
The influence of balling ratio) shown in；
Spray timings 2 are selected by Fig. 4,3,4 three points basically reach high point, spraying the 5th has a downward trend, therefore selects
Spray timings 2,3,4 three points do three parallel carry out orthogonal experiments.
Quadrature analysis table is designed according to the above results, three water-glass of L9 (3,4) four factor is such as shown in (table 1), (table 2)：
1 orthogonal test factor level table of table
2 orthogonal test scheme of table
5, experimental result
It is carried out shown in orthogonal experiment analysis result following (table 3) according to orthogonal design scheme：
3 orthogonal experiments of table
It can be seen that the primary and secondary sequence of each influence factor is according to orthogonal analysis of results table：Powder shell matches>Balling time>Spray
Mist number>Shell grain size, therefore A3 is selected, B1, C3, D 2 are most Wang pelletizings Optimizing Technical, i.e. shell grain size 2.5mm, powder shell
Proportioning 1：1 (g/g), Balling time 120s, spray timings 2 times, pelletizing balling ratio reaches 82.4% under the conditions of this.
Embodiment 2
Particulates' properties test experiments prepared by 1 the method for embodiment, as a result shown in following (table 4)：
4 cladded type CMA environmental protection particle deicing salt performance tests of table
30% solution testing freezing point data are -26 DEG C, and comparison 30% solution testing freezing point data of sodium chloride are -19 DEG C；pH
Test result 7.8 meets Beijing technical quality surveillance authority deicing salt index 5.5-9.0；Snow melt and ice melting capability are tested
103.4% and 100% ability of sodium chloride is respectively reached, Beijing technical quality surveillance authority is no less than about deicing salt index regulation
Sodium chloride 90% is qualification, therefore two indexs show qualification.The anti-skidding index of deicing salt tool is shown can be in prevailing roadway
The upper frictional resistance increased more than 10 times.
Coated particle structure of the present invention unsetting one layer of deicing salt of shell core outer wrapping due to being made of, outside
Face deicing salt while melting ice and snow inside shell core reveal, while directly increasing the frictional force on road surface, therefore,
Coated particle there is good ice-melt to avenge antiskid effect slope road ice and snow road, can greatly ensure that traffic is suitable safely
Profit operation ensures that national people's property preserves from.
For any person skilled in the art, without departing from the scope of the technical proposal of the invention, all
Many possible changes and modifications are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as equivalent
The equivalent embodiment of variation.Therefore, every content without departing from technical solution of the present invention, according to the technical essence of the invention to
Any simple modifications, equivalents, and modifications that upper embodiment is done should all still fall within the range of technical solution of the present invention protection
It is interior.
Claims (8)
1. a kind of anti-skidding increasing hinders composite environment-friendly deicing salt, it is characterised in that：The inside of the deicing salt be grain size 1.0~
The shell of the irregular shape of 3.0mm, surface coat vinegar vinegar calcium and magnesium salt powder；The matter of vinegar vinegar the calcium and magnesium salt powder and shell
Amount is than being 1g：(1~3) g.
2. anti-skidding increasing according to claim 1 hinders composite environment-friendly deicing salt, it is characterised in that：The vinegar vinegar calcium and magnesium salt fines
The granularity of body is 80 mesh.
3. the anti-skidding preparation method for increasing resistance composite environment-friendly deicing salt as described in claim 1, it is characterised in that：
1. shell is ground into irregularly shaped particles, the shell of 1.0~3.0mm grain sizes is selected in screening；
2. by shell surface atomized water spray, calcium magnesium acetate salt powder is added and pelletizes；Wherein, vinegar vinegar calcium and magnesium salt powder and shell
Mass ratio is 1g：(1~3) g；
3. during granulation, spray timings 1~5 time, Granulation time 50s or more.
4. the anti-skidding preparation method for increasing resistance composite environment-friendly deicing salt according to claim 3, it is characterised in that：The powder
Shell proportioning is 1g：1g.
5. the anti-skidding preparation method for increasing resistance composite environment-friendly deicing salt according to claim 3, it is characterised in that：It is described to make
The ball time is 90~150s.
6. the anti-skidding preparation method for increasing resistance composite environment-friendly deicing salt according to claim 5, it is characterised in that：It is described to make
The ball time is 120s.
7. the anti-skidding preparation method for increasing resistance composite environment-friendly deicing salt according to claim 3, it is characterised in that：The spray
Mist number is 2 times.
8. the anti-skidding preparation method for increasing resistance composite environment-friendly deicing salt according to claim 3, it is characterised in that：The shellfish
Capsomere diameter is 2.5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810747753.7A CN108774493A (en) | 2018-07-10 | 2018-07-10 | Anti-skidding increasing resistance composite environment-friendly deicing salt of one kind and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810747753.7A CN108774493A (en) | 2018-07-10 | 2018-07-10 | Anti-skidding increasing resistance composite environment-friendly deicing salt of one kind and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108774493A true CN108774493A (en) | 2018-11-09 |
Family
ID=64031255
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810747753.7A Pending CN108774493A (en) | 2018-07-10 | 2018-07-10 | Anti-skidding increasing resistance composite environment-friendly deicing salt of one kind and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386870A (en) * | 2019-07-26 | 2019-10-29 | 大连海洋大学 | A kind of mixture and its method and the application of the nacre and acetic acid calcium salt and acetic acid magnesium salts separating preparation simultaneously using oyster shell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4444672A (en) * | 1981-12-21 | 1984-04-24 | Gancy Alan B | Process of making calcium acetate deicing agents and product |
| JPH11100570A (en) * | 1997-09-26 | 1999-04-13 | Tokuyama Corp | Snow melting agent |
| CN101654611A (en) * | 2009-05-19 | 2010-02-24 | 大连獐子岛渔业集团股份有限公司 | Method for manufacturing snowmelt agent by using shells |
| FR2998300A1 (en) * | 2012-11-16 | 2014-05-23 | Guy Baret | Salt comprising biphasic grains consisting of a core of first water-insoluble phase and a shell of a second water soluble phase, useful for snow clearance on roads, where dissolution of grains in water is lower than freezing point of water |
-
2018
- 2018-07-10 CN CN201810747753.7A patent/CN108774493A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4444672A (en) * | 1981-12-21 | 1984-04-24 | Gancy Alan B | Process of making calcium acetate deicing agents and product |
| JPH11100570A (en) * | 1997-09-26 | 1999-04-13 | Tokuyama Corp | Snow melting agent |
| CN101654611A (en) * | 2009-05-19 | 2010-02-24 | 大连獐子岛渔业集团股份有限公司 | Method for manufacturing snowmelt agent by using shells |
| FR2998300A1 (en) * | 2012-11-16 | 2014-05-23 | Guy Baret | Salt comprising biphasic grains consisting of a core of first water-insoluble phase and a shell of a second water soluble phase, useful for snow clearance on roads, where dissolution of grains in water is lower than freezing point of water |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386870A (en) * | 2019-07-26 | 2019-10-29 | 大连海洋大学 | A kind of mixture and its method and the application of the nacre and acetic acid calcium salt and acetic acid magnesium salts separating preparation simultaneously using oyster shell |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181109 |
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