CN106221672A - A kind of hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent and preparation method thereof - Google Patents
A kind of hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent and preparation method thereof Download PDFInfo
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- CN106221672A CN106221672A CN201610617996.XA CN201610617996A CN106221672A CN 106221672 A CN106221672 A CN 106221672A CN 201610617996 A CN201610617996 A CN 201610617996A CN 106221672 A CN106221672 A CN 106221672A
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- agent
- snow agent
- corrosion inhibition
- modifying agent
- efficient corrosion
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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
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
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- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
The present invention relates to hardness modifying agent of a kind of high-efficient corrosion inhibition type type Snow Agent and preparation method thereof, this each component of hardness modifying agent by mass percentage, consisting of: sodium alginate 0.5%～10%, molasses 40%～60%, polyvinylpyrrolidone 5%～20%, surplus is water；Preparation method is: is added slowly to by sodium alginate in the water of stirring, forms solution；Polyvinylpyrrolidone is joined in above-mentioned solution, stirs；Again molasses are added in above-mentioned mixed solution, stir and i.e. obtain hardness modifying agent.This hardness modifying agent good water solubility, mobility is good, easy to use, biodegradable, and Snow Agent granule strength after improvement is high, effectively raises the Snow Agent retention time in ice face, it is to avoid the Snow Agent quick loss during deicing or snow melting.
Description
Technical field
The present invention relates to the preparation method of a kind of Snow Agent, be specifically related to the hardness improvement of a kind of high-efficient corrosion inhibition type type Snow Agent
Agent and preparation method thereof.
Background technology
Road snow mantle and freeze and be China and common problem that middle high latitude country runs into winter, and dispense Snow Agent with behaviour
The advantages such as work is simple, low cost, deicing speed are fast, effective are widely used.Wherein inorganic with villaumite as main component removes
Its advantage of ice agent is that reserves are big, low price, and snow melt is effective and be widely used.But the most a large amount of use villaumite types
Occur in that a series of problem after Snow Agent, therefore the villaumite Snow Agent of exploitation high-efficient corrosion inhibition type type has critically important realistic meaning.
The solid villaumite type Snow Agent overwhelming majority that China is produced is pelletize form, and the Snow Agent of pelletize form is in performance
Aspect has the advantage that, 1. compared to powdery or lamellar Snow Agent, the product of pelletize form has higher ice sheet and penetrates energy
Power.2. the pelletize Snow Agent that hardness is moderate can be prevented effectively from efflorescence during producing, pack, transport and using.3. have
Effect avoids Snow Agent to lump in a large number in storage process.4., during the use of product, it is suitable for large-scale machinery and sheds work
Industry.
Owing to itself having certain active force between sodium chloride molecule during simple NaCl type Snow Agent pelletize so that it is
The hardness of product is higher.Want to alleviate the corruption brought during NaCl type Snow Agent uses to iron and steel, bridge, automobile chassis
Erosion, it is necessary to add corrosion inhibiter, but the membership that adds of corrosion inhibiter affects the active force between sodium chloride molecule, causes product after pelletize
Hardness relatively low.
The defect existed for hardness aspect after above-mentioned corrosion inhibition type Snow Agent pelletize, develops the hard of high-efficient corrosion inhibition type type Snow Agent
Degree modifying agent becomes the task of top priority.
Summary of the invention
It is an object of the invention to provide hardness modifying agent of a kind of high-efficient corrosion inhibition type type Snow Agent and preparation method thereof so that it is
While meeting corrosion mitigating effect, it is possible to effectively improve the hardness after Snow Agent pelletize.Snow Agent hardness modifying agent of the present invention
Preparation carry out at normal temperatures and pressures, and its good water solubility, mobility is good, in use, it is not necessary to heating can directly be led to
Crossing shower nozzle and spray in spacetabs type Snow Agent material, agitated device enters granulator granulation, the method operation letter after mixing
Single, consumption is little, and product per ton only needs 10～12 kilograms of these hardness modifying agents just can produce the Snow Agent granule of form rule.Make
The Snow Agent granule strength not only produced with this hardness modifying agent is high so that it is be difficult to during producing, transporting and deposit
Operation is shed in efflorescence, beneficially product massive mechanical, and its adhesive property can effectively improve Snow Agent in ice face
Retention time, it is to avoid the Snow Agent quick loss during the deicing or snow melting.
The present invention solves technical problem by the following technical programs: the hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent, by under
The component stating quality proportioning is prepared from:
Sodium alginate 0.5%～10%
Molasses 40%～60%
Polyvinylpyrrolidone 5%～20%
Surplus is water, and above-mentioned each component sum is 100%.
The preparation method of the hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent of the present invention, its step of preparation process is:
(1), by sodium alginate it is added slowly in the water of stirring, forms solution A；
(2), polyvinylpyrrolidone is joined in above-mentioned solution A, be uniformly mixing to obtain mixed solution B；
(3), by molasses add in above-mentioned mixed solution B, be uniformly mixing to obtain the hardness modifying agent of Snow Agent.
Wherein, above-mentioned molasses are the molasses of cane sugar factory.
The hardness modifying agent of Snow Agent of the present invention is as follows for the application process of high-efficient corrosion inhibition type type Snow Agent:
Belt is at room temperature utilized to weigh the sodium chloride of required weight, high-efficient corrosion inhibitor and hardness modifying agent, compound
It is delivered in blender be stirred mixing through one-level conveying worm, then is carried by deuterostrophies conveyer, raw material bucket respectively
Machine and rubber conveyer are delivered in feed bin, the most again mixed-powder are delivered to comminutor and are shaped pelletize, are then passed through making
The granule that grain machine is formed is directly entered rocking sieve screening, branches away finished product screen through belt conveying and packaging, is the most efficiently delayed
Release type Snow Agent.Defective work is delivered to one-level conveying worm by feed back bucket elevator again and carries out co-grinding entrance pelletize again
Machine pelletize again.
The main fall freezing point composition of described Snow Agent is sodium chloride, refines vacuum salt for middle salt Jintan；Described high-efficient corrosion inhibition type
Agent is made up of sodium gluconate, zinc dihydrogen phosphate, nine silicate hydrate disodiums and sodium lignin sulfonate.
Described high-efficiency sustained-release type Snow Agent is graininess, and its size is about 6mm × 6mm × 4mm.
Compared with prior art, its remarkable advantage is the present invention: hardness modifying agent good water solubility prepared by (1) present invention,
Easy to use, simple to operate；(2) this hardness modifying agent consumption is little, and product per ton just only needs 10～12 kilograms of these hardness modifying agents
The Snow Agent granule of form rule can be produced；(3) adhesive property of this hardness modifying agent can effectively improve Snow Agent and exists
The retention time in ice face, it is to avoid the Snow Agent quick loss during deicing or snow melting；(4) it is suitable for multiple pelletize mode,
As to roller gear pelletize and disc granulation etc.；(5) when high-efficiency sustained-release type Snow Agent, the primary raw material of employing is that our company is raw
The features such as the high purity vacuum salt sodium chloride produced, has wide material sources, cheap, relatively low sulfate ion, and add height
The corrosion inhibiter of effect, can be effectively reduced the corrosion to metal and cement concrete；The Snow Agent granule strength formed is high, averagely
Crushing strength is up to 40N.
Detailed description of the invention
The following examples can make those skilled in the art that the present invention is more fully understood, but these embodiments are not
Limiting the scope of the invention.
1. the formula composition of the hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent
Table 1 is listed 5 kinds and is represented embodiment and blank sample, and wherein said numerical value refers to that each component is in hardness modifying agent
Mass percent.
The hardness modifying agent formula composition of table 1 high-efficient corrosion inhibition type type Snow Agent
| Formula forms | Blank sample | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Sodium alginate | 0 | 0.5 | 2 | 5 | 8 | 10 |
| Molasses | 0 | 40 | 60 | 50 | 40 | 60 |
| Polyvinylpyrrolidone | 0 | 5 | 20 | 10 | 10 | 5 |
| Water | 100 | 54.5 | 18 | 35 | 42 | 25 |
2. the hardness of Snow Agent
Hardness modifying agent and the corrosion inhibiter of the high-efficient corrosion inhibition type type Snow Agent of above-mentioned 5 kinds of embodiments and a kind of blank sample are added
Being added in sodium chloride, carry out pelletize and prepare high-efficient corrosion inhibition type type Snow Agent material, wherein the addition of hardness modifying agent is 1%, slow
The addition of erosion agent is 0.5%, and the component of corrosion inhibiter includes sodium gluconate, zinc dihydrogen phosphate, nine silicate hydrate disodium and wood
Quality sodium sulfonate.Randomly draw 10 in the product~20 Snow Agent products, (generally, take 15), are placed in its granule
In durometer sample groove, by top knob, down force, until by Particle Crush, direct reading, recording data.Finally
Calculate the hardness meansigma methods of taken Snow Agent sample.
The hardness calculation formula of Snow Agent sample is as follows:
N=(N1+N2+N3+┄+N15)/15
In formula: N1The comprcssive strength of----single salt particle, N
Each embodiment hardness test result is as shown in table 2:
The experiment of hardness result of table 2 high-efficient corrosion inhibition type type Snow Agent
| Formula forms | Blank sample | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Average hardness/N | 18 | 26 | 39 | 45 | 31 | 33 |
3. the carbon steel corrosion rate of Snow Agent
For determining the effect of corrosion inhibiter, the rotary hanging plate method of reference DB11/T 161-2012 carries out the selection of component, test
Method and test condition are as follows:
First prepare etchant solution, the beaker of 2000mL is prepared the test solution that mass fraction is about 18.0%, Qi Zhongrong
In snow agent, the usage amount of sodium chloride is about 309g, and hardness modifying agent content carries out proportioning, firmly by (table 1) mass component in embodiment
The addition of degree modifying agent is 1%, and the addition of corrosion inhibiter is 0.5%.
Sample is No. 20 carbon steel coupons of rectangle (GB/T 699), and a size of: 5mm × 2.5mm × 0.2mm, surface area is
28mm2, sample wipes surface oils and fats with filter paper on pretreatment, through acetone and soaked in absolute ethyl alcohol post-drying, finally by sample by
Individual filter paper wraps up, and is placed in exsiccator standby.Test after starting with being soaked in corresponding volume after analytical balance correct amount sample
Number etchant solution in, liquor capacity and test piece area ratio are 24mL/cm2 ~26mL/cm2, experimental temperature is 40 DEG C, test piece line
Speed is 0.35m/s, during be not passed through air, uninterrupted soak 48 hours after, wipe out surface rust again through pickling, alkali
Wash, remove excessive moisture with dehydrated alcohol after washing, weigh after drying.Corrosion inhibition rate is measured according to corrosion weight loss.Rate of corrosion calculates
Formula is as follows:
In formula: m is test piece mass loss, g；
m1For the mass loss meansigma methods of test piece pickling blank assay, g；
S is the surface area of test piece, cm2；
ρ is the density of test piece, g/cm3；
T is test period, h；
8760 is the hourage suitable with 1 year, h/a；
10 is the millimeter suitable with 1cm, mm/cm.
The corrosion inhibition rate X being expressed as a percentage2:
In formula: X0For the rate of corrosion of test piece blank assay, mm/a；
X1For the rate of corrosion of test piece, mm/a.
Each embodiment corrosion of carbon steel result is as shown in table 3:
The corrosion of carbon steel experimental result of table 3 high-efficient corrosion inhibition type type Snow Agent
From the corrosion of carbon steel result of table 3 it can be seen that hardness modifying agent add corrosion of carbon steel rate to Snow Agent product
Serve certain inhibitory action.
4. the ice face reserve capability of Snow Agent
Measure the ice face reserve capability of Snow Agent, i.e. measure the Snow Agent of certain mass within the unit interval not with melting
The ratio that frozen water flows away.Experimental technique is as follows:
Take six 50mL same diameter and the beaker of height, add 20mL water, be placed in the cryostat of-10 DEG C to knot
Ice.Accurately weigh each 5g of Snow Agent containing five parts of embodiment sample and blank sample (wherein hardness modifying agent formula such as table 1,
Join in sodium chloride with the addition of 1%, add the corrosion inhibiter of 0.5%) it is placed in ice cube surface.Start timing, exist respectively
30min, 60min, 120min and 240min take out this sample bottle, topple over its liquid immediately, measure volume and the liquid of liquid
The solubility of middle sodium chloride, by being calculated the ice face reserve capability of Snow Agent.
Computational methods are as follows:
In formula: m0For initially throwing in the gross mass of Snow Agent, g on ice face；
c1For the concentration of the Snow Agent in the frozen water of mensuration in the unit time, g/mL；
v1The volume of the frozen water for measuring in the unit time, mL；
η is the ice face reserve capability of Snow Agent, %；
The ice face reserve capability of the Snow Agent of each embodiment is as shown in table 4:
The ice face reserve capability experimental result of table 4 high-efficient corrosion inhibition type type Snow Agent
From the ice face reserve capability of each embodiment of table 4 and blank sample Snow Agent it can be seen that with the addition of hardness modifying agent
After, due to the raising of the adhesive property of itself, be conducive to extending the Snow Agent retention time in ice face, prevent it with thawing
Ice and snow flow away.
5. the deicing or snow melting ability of Snow Agent
According to the method for testing of deicing or snow melting ability in Snow Agent Beijing standard (DB/11/T 161-2012), weigh respectively
Sample is according to using solubility to be configured to corresponding solution, and the solubility used in this experiment is 18%.
Take six 50mL same diameter and the beaker of height, add 15mL water, be placed in the cryostat of-10 DEG C to knot
Ice, (wherein hardness modifying agent formula such as table 1, joins sodium chloride by it with the addition of 1% to pipette 25mL Snow Agent solution
In, add the corrosion inhibiter of 0.5%), move in 50mL beaker, be placed in the cryostat of-10 DEG C, standby after 12h.From low
Temperature calorstat takes out the sample bottle with ice cube, dries water and the ice of outer wall, weigh rapidly, be accurate to 0.1g, by preparation
Snow Agent solution is poured into rapidly in the sample bottle filling ice cube, then puts back in cryostat, respectively at 15 minutes, and 30 points
Clock, takes out this sample bottle for 60 minutes, topples over its liquid immediately, and weighs rapidly beaker and the quality of residue ice cube.Embodiment 1 is molten
The operating procedure of liquid is with blank sample solution-operated step.Gained each temperature deicing or snow melting capacity data is as shown in table 5 below:
Table 5 Snow Agent deicing or snow melting ability at-10 DEG C
As seen from Table 5, within 60min, with the addition of deicing or snow melting ability that the Snow Agent of hardness modifying agent shows relatively
Difference, then shows obvious advantage after 60min, and after 240min, the Snow Agent that with the addition of hardness modifying agent is melted
Snowization ice energy force rate blank sample is higher.
Claims (6)
1. the hardness modifying agent of a high-efficient corrosion inhibition type type Snow Agent, it is characterised in that: the described each component of hardness modifying agent presses quality
Percentage ratio consisting of: sodium alginate 0.5%～10%, molasses 40%～60%, polyvinylpyrrolidone 5%～20%, remaining
Amount is water.
The hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent the most according to claim 1, it is characterised in that: described molasses are
The molasses of cane sugar factory.
The preparation method of the hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent the most according to claim 1, it is characterised in that: institute
State preparation method step as follows:
(1) sodium alginate is added slowly in the water of stirring, forms solution A；
(2) polyvinylpyrrolidone is joined in solution A, be uniformly mixing to obtain mixed solution B；
(3) molasses are added in mixed solution B, be uniformly mixing to obtain the hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent.
The hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent the most according to claim 1 is used for high-efficient corrosion inhibition type type Snow Agent, its
It is characterised by: described application process is as follows:
At room temperature utilizing belt to weigh the sodium chloride of required weight, corrosion inhibiter and hardness modifying agent, compound is through one-level spiral shell
Rotation conveyer is delivered in blender be stirred mixing, more respectively by deuterostrophies conveyer, raw material bucket elevator and adhesive tape
Conveyer is delivered in feed bin, the most again mixed-powder is delivered to comminutor and is shaped pelletize, straight through the granule of molding, granulating
Tap into into rocking sieve screening, finished product screen is branched away through belt conveying and packaging, i.e. obtain Snow Agent product；Defective work passes through again
Feed back bucket elevator is delivered to one-level conveying worm and carries out co-grinding entrance comminutor pelletize again.
The hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent the most according to claim 4 is used for high-efficient corrosion inhibition type type Snow Agent, its
It is characterised by: described sodium chloride is that middle salt Jintan refines vacuum salt；High-efficient corrosion inhibitor by sodium gluconate, zinc dihydrogen phosphate,
Nine silicate hydrate disodiums and sodium lignin sulfonate composition.
The hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent the most according to claim 4 is used for high-efficient corrosion inhibition type type Snow Agent, its
It is characterised by: described high-efficient corrosion inhibition type type Snow Agent is graininess, and its size is 6mm × 6mm × 4mm.
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| CN201610617996.XA CN106221672B (en) | 2016-07-29 | 2016-07-29 | A kind of hardness modifying agent of high-efficient corrosion inhibition type type Snow Agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107325791A (en) * | 2017-07-17 | 2017-11-07 | 中盐金坛盐化有限责任公司 | A kind of ice hardness modifying agent |
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|---|---|---|---|---|
| DE2849810A1 (en) * | 1978-11-16 | 1980-05-22 | Floralis Chemisch Tech Produkt | Snow and ice thawing agent - with high, long lasting thawing power and rate contains urea, abrasive, pref. pumice, and calcium chloride |
| US4391859A (en) * | 1974-07-10 | 1983-07-05 | Ab Bonnierforetagen | Process and a composition for the insulation of surfaces, and product hereby obtained |
| CN1338497A (en) * | 2001-09-28 | 2002-03-06 | 岳中州 | Snow thawing agent, its preparing process and multi-stage spray granulating bed |
| CN1347948A (en) * | 2001-11-13 | 2002-05-08 | 天津市长芦精细生化有限公司 | Compound snow-melting antifreezer and its production process |
| CN103289645A (en) * | 2013-07-01 | 2013-09-11 | 句容宁武高新技术发展有限公司 | Manufacturing method of environment-friendly snow/ice melting composition |
-
2016
- 2016-07-29 CN CN201610617996.XA patent/CN106221672B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4391859A (en) * | 1974-07-10 | 1983-07-05 | Ab Bonnierforetagen | Process and a composition for the insulation of surfaces, and product hereby obtained |
| DE2849810A1 (en) * | 1978-11-16 | 1980-05-22 | Floralis Chemisch Tech Produkt | Snow and ice thawing agent - with high, long lasting thawing power and rate contains urea, abrasive, pref. pumice, and calcium chloride |
| CN1338497A (en) * | 2001-09-28 | 2002-03-06 | 岳中州 | Snow thawing agent, its preparing process and multi-stage spray granulating bed |
| CN1347948A (en) * | 2001-11-13 | 2002-05-08 | 天津市长芦精细生化有限公司 | Compound snow-melting antifreezer and its production process |
| CN103289645A (en) * | 2013-07-01 | 2013-09-11 | 句容宁武高新技术发展有限公司 | Manufacturing method of environment-friendly snow/ice melting composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107325791A (en) * | 2017-07-17 | 2017-11-07 | 中盐金坛盐化有限责任公司 | A kind of ice hardness modifying agent |
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