CN102676060A - Antifreeze liquid film for pulverized coal transport and preparation method and application thereof - Google Patents
Antifreeze liquid film for pulverized coal transport and preparation method and application thereof Download PDFInfo
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Abstract
The invention relates to an antifreeze liquid film for pulverized coal transport and a preparation method and the application thereof. Industrial calcium chloride, sodium benzoate, sodium hydrogen phosphate, sodium nitrite, triethanolamine and ethanol are used as raw materials to prepare an antifreeze liquid component A. Anionic emulsified petroleum asphalt, anionic emulsified neoprene latex, anionic emulsified styrene-butadiene latex, defoaming agent and industrial water are used as raw materials to prepare asphalt polymer film forming agent component B. The component A and the component B are respectively sprayed on wall faces of a carriage by a spray gun, the component B meeting the component A can automatically precipitate to form a solid asphalt polymer film attached onto an antifreeze liquid layer of the component A, so that the antifreeze liquid film for pulverized coal transport is formed. The antifreeze liquid film effectively prevents antifreeze liquid from flowing from the wall surface of the carriage to the bottom, moisture in transported coal is prevented from dispersing to the carriage wall, and gathering and the like of a great quantity of antifreeze liquid at the carriage bottom can be reduced. Further, utilization of the antifreeze liquid film saves energy resources, shortens wagon transfer time and lowers transport cost.
Description
Technical field
The present invention relates to a kind of antifreeze liquid film and preparation method thereof, antifreeze liquid film that particularly a kind of fine coal material is used in the transportation in the winter time and preparation method thereof or use.
Technical background
Be positioned at the coal-producing area of northern territory, winter is colder, and the washing coal very easily freezes phenomenon in the transportation in the winter time; Car, wall built-up and the sticking end, are frozen in generation; Thereby cause the difficulty of unloading, have a strong impact on the normal turnover of transportation by railroad, disturbed giving full play to of whole Transporting ability with car; The benefit that also makes simultaneously the owner of cargo and railway receives direct influence because of the reduction of conveying efficiency, causes tremendous economic loss for railway, colliery, harbour and coal user.At present, during the transportation by railroad entrucking, generally adopt at the bottom of side board to road vehicle, the car and railway bulk cargo such as moisture coal in spray deicing fluid way solve and freeze the car problem.
Publication number is that CN102146297A discloses " a kind of coal transportation by railroad is with deicing fluid and preparation method thereof "; Be raw material mainly, be hybridly prepared into 40～44% the aqueous solution and use deicing fluid as railway fortune coal with calcium chloride, benzotriazole, trolamine, Sodium Nitrite and sodium acetate etc.This kind deicing fluid can be prepared completion under the normal temperature state, need not any other warming-up device.At normal temperatures the deicing fluid of its preparation is sprayed or be coated on railway carriage or compartment, the compartment wall and coal of transportation coal train, can prevent effectively that coal from freezing under the arctic weather situation.
Publication number is that CN102153993A discloses " a kind of bulk granular goods is stacked and transported with deicing fluid and preparation method thereof "; Be raw material greater than 5,000,000 cationic polyacrylamide etc. mainly, be hybridly prepared into 41～45% the aqueous solution and use deicing fluid as the railway Coal Transport with calcium chloride, benzotriazole, trolamine, Sodium Nitrite, sodium acetate, EDTA, cerous nitrate and relative molecular mass.At normal temperatures the deicing fluid of its preparation is sprayed or be coated on the compartment wall and coal of transportation coal train, can prevent effectively that coal from freezing at arctic weather.
Publication number is that CN1560173A discloses " a kind of railway carriage deicing fluid and compound method thereof "; Be main raw material with calcium chloride, ethanol and Sodium Nitrite mainly, above mixing of materials be mixed with 30～60% the aqueous solution as railway carriage deicing fluid, this deicing fluid can guarantee that in the open the moisture bulk of discord freezes mutually in following 10 hours of the condition; Thereby needn't get into defrosting room thaws and can unload smoothly; Save the energy, shortened the railway carriage operating turnaround, reduced transportation cost.
In addition; George's loyalty has been introduced the optimum amount test-results of coal deicing fluid in " spraying the exploration of deicing fluid optimum amount in the coal ", point out reasonably to confirm that deicing fluid sprinkling amount not only can solve coal frozen problem in the production in winter; And can bring huge benefit to enterprise; Coal preparation technology, 2004, NO.1.
Hu Yanxia, Zhao Liren etc. explore and utilize chemical deicing fluid to solve to freeze the coal problem of unloading in the applied research of deicing fluid " efficient ", reduce the freezing strength of coal greatly, to solve winter coal or granular transportation of cargo very effectively, Chinese Railway, 2006.NO.4.
More than antifreeze deicing fluid and the means to prevent freezing of disclosed solution transportation all adopt single deicing fluid, such deicing fluid has pollution-free, human body contact nontoxicity, ature of coal smelted does not have influence, long-term storage did not lose efficacy, and had easy to use, economic dispatch advantage.
But in use also there are some defectives in above-mentioned deicing fluid, the one, when deicing fluid sprays or be coated on the compartment wall of transportation coal train; Deicing fluid can drop down to the car underflow; Even in deicing fluid, add tackifier, the phenomenon of trickling can not eliminated yet downwards, causes the deicing fluid on the compartment wall fewer and feweri; Antifreeze liquid layer is more and more thinner, thereby reduces the result of use and the timeliness of deicing fluid; The 2nd, washing contains 8～15% even more moisture content in the coal, in the transportation of jolting of these moisture content along with train, can be to the diffusion of railway carriage or compartment, compartment wall, thus further can dilute the deicing fluid of compartment wall; Equally also can obviously reduce the result of use and the timeliness of deicing fluid; The 3rd, at the bottom of the railway carriage or compartment, compartment, can assemble more deicing fluid, cause the waste of deicing fluid, long-time gathering meeting causes certain destruction at the bottom of to the railway carriage or compartment, compartment.Add thickening material in some deicing fluid, also do not overcome the existence of above-mentioned defective.The present invention provides a kind of transportation with deicing fluid, prepares Coal Transport usefulness in a kind of winter, and prevents the deicing fluid that on the wall surface of conveying carriage railway carriage or compartment, freezes; This deicing fluid is accomplished through spraying method; On the wall surface of railway carriage or compartment, compartment, in the spraying deicing fluid, form a kind of rete on the deicing fluid surface, the deicing fluid that the existence of this rete can prevent with envelope directly contacts trickles downwards; Also can stop moisture content in the coal to cause the reduction of deicing fluid effective concentration to railway carriage or compartment, compartment wall diffusion; This rete can unload together with coal again when unloading, and can not stick on the compartment envelope, and this deicing fluid has pollution-free; Ature of coal there is not influence, characteristics such as easy to use.
Summary of the invention
The present invention is directed to the problem that fine coal uses deicing fluid to exist in transportation; Utilize two-pack and form a kind of antifreeze liquid film and realize that good fine coal transports antifreeze purpose, a kind of antifreeze liquid film that is used for the fine coal transportation is provided through being sprayed on railway carriage or compartment, compartment wall surface.
Be to realize that above-mentioned purpose, the present invention adopt a kind of antifreeze liquid film that is used for the fine coal transportation, wherein:
A kind of antifreeze liquid film that is used for the fine coal transportation of the present invention, its said fine coal transportation is to be made up of A component and B component with antifreeze liquid film;
It is following that the composition of its said A component and content thereof are pressed mass fraction:
26～30 parts of industrial calcium chlorides; 0.1～0.3 part of Sodium Benzoate; 0.2～0.7 part of Sodium phosphate, dibasic; 0.5～1.5 part of Sodium Nitrite; 0.2～0.5 part of trolamine; 3～6 parts of ethanol; 70～61 parts of service waters;
It is following that the composition of its said B component and content thereof are pressed mass fraction:
Mass content is 70 parts of 45～50% cut oil pitches; Mass content is 1～5 part of 49～51% an emulsification polychloroprene latex; Mass content is 0～5 part of 49～51% an emulsification styrene-butadiene latex; 0.1～0.3 part of skimmer BYK-024; 28.9～19.7 parts of service waters;
A kind of preparation method who is used for the antifreeze liquid film of fine coal transportation of the present invention, its said method is made up of the preparation method of A component and B component; It is following that the concrete preparation method of its said A component presses mass fraction:
Get 70～61 parts of service waters and place a band stirring mixer, add 26～30 parts of industrial calcium chlorides then successively, 0.1～0.3 part of Sodium Benzoate; 0.2～0.7 part of Sodium phosphate, dibasic; 0.5～1.5 part of Sodium Nitrite, 0.2～0.5 part of trolamine, 3～6 parts of ethanol; Above material stirring and dissolving under normal temperature is mixed, promptly make deicing fluid A component;
It is following that the concrete preparation method of its said B component presses mass fraction:
Getting mass content is the mixing tank that 70 parts of 45～50% cut oil pitches place a band to stir; Adding mass content then is 1～5 part of 49～51% emulsification polychloroprene latex; Mass content is 0～5 part of 49～51% an emulsification styrene-butadiene latex, 0.1～0.3 part of skimmer BYK-024,28.9～19.7 parts of service waters; Above material is mixed under normal temperature, promptly make deicing fluid B component.
The present invention is a kind of to be used for the application of the prepared antifreeze liquid film of the preparation method of antifreeze liquid film of fine coal transportation; Its said application is on railway carriage or compartment, the compartment wall of fine coal transportation; Its said method is to be 100:9～18 with prepared A component and B component among the above-mentioned preparation method by mass ratio, is sprayed on the compartment envelope by spray gun simultaneously respectively, and back B component runs into the automatic precipitating of A component and becomes the solid bitumen polymer film; And be attached on the antifreeze liquid layer of A component, form transportation and use antifreeze liquid film.Wherein, said fine coal be after washing water cut at 8～15% fine coal.
In above-mentioned technical scheme, its said additional technical characterictic is that said mass content is that 45～50% cut oil pitch is the anionic emulsion of 90～No. 120 petroleum pitch; Said mass content is that 49～51% emulsification polychloroprene latexs are the general polychloroprene latex of anionic; Said mass content is that 49～51% emulsification styrene-butadiene latexes are the general styrene-butadiene latexes of anionic.
Realize that the above-mentioned a kind of transportation of the present invention is with antifreeze liquid film; Compared with prior art, when its outstanding characteristics were that the present invention utilizes B component membrane-forming agent to run into A component deicing fluid, the rapid precipitating of meeting became the principle of solid bitumen polymer film; In spraying deicing fluid A component on the compartment envelope; The solid bitumen polymer film can be attached on the antifreeze liquid layer of A component, forms antifreeze liquid film, the realization of this antifreeze liquid film; Overcome existing one-component deicing fluid in use, deicing fluid drops down to the car underflow on the wall surface of railway carriage or compartment, compartment; Moisture content in the transportation coal can be to the diffusion of railway carriage or compartment, compartment wall, the deicing fluid of dilution railway carriage or compartment, compartment wall surface; Along with train chief's operation of jolting the time, deicing fluid can be assembled in a large number at the bottom of the railway carriage or compartment, compartment and waits not foot phenomenons.Compared with prior art also reduce the consumption of deicing fluid, obviously improved the result of use of deicing fluid.Because have the antifreeze liquid layer of one deck to exist between asphalt polymer rete and railway carriage or compartment, compartment wall, therefore this rete can unload together with coal again when unloading, and can not stick on the compartment envelope.This A component deicing fluid freezing point≤-46 ℃, have nonpoisonous and tasteless, pollution-free, a little less than skin irritation very; Meet the TB/T3208-2008 of the Ministry of Railways " the bulk granular transportation of cargo is with the technical performance index of deicing fluid " requirement, the formed asphalt polymer rete of B component does not have influence to ature of coal and human body, and this kind transportation is easy with antifreeze liquid film moulding; Easy to use; Save the energy, shortened the railway carriage operating turnaround, reduced transportation cost.
Description of drawings
State description figure when Fig. 1 is the inventive method spraying.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer, make further specifying below in conjunction with the embodiment specific embodiments of the invention.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Embodiment of the present invention provides a kind of transportation with deicing fluid and preparation method thereof; Its said transportation use the A component of deicing fluid be with industrial calcium chloride, Sodium Benzoate, Sodium phosphate, dibasic, Sodium Nitrite, trolamine, ethanol, etc. be raw material; Be hybridly prepared into solid content and be 30～39% the aqueous solution as the deicing fluid component, this component also is the precipitating agent of B component; It is that anionic cut oil pitch is main raw material that the B component of deicing fluid is used in its said transportation, and auxiliary the mixing with anionic emulsification polychloroprene latex, anionic emulsification styrene-butadiene latex etc. formed the membrane-forming agent component.When successively being sprayed on compartment railway carriage or compartment wall on the ratio of relative broad range A, B two components, the A component can play antifreeze effect attached to railway carriage or compartment, compartment wall surface, can make B component precipitating simultaneously again; Form a kind of asphalt polymer rete at the deicing fluid laminar surface, the deicing fluid that the existence of this rete can prevent with envelope directly contacts trickles downwards, also can stop the moisture content in the coal to spread to railway carriage or compartment, compartment wall; Unload the station when unloading this rete can unload together with coal again, can not stick on the compartment envelope, saved the energy; Shortened the railway carriage operating turnaround, reduced transportation cost, this deicing fluid/film has pollution-free; Ature of coal there is not influence, characteristics such as easy to use.
The present invention implements the technical scheme of transportation with deicing fluid in following embodiment, its composition and content thereof are all following by mass fraction:
A component: 26～30 parts of industrial calcium chlorides; 0.1～0.3 part of Sodium Benzoate; 0.2～0.7 part of Sodium phosphate, dibasic; 0.5～1.5 part of Sodium Nitrite; 0.2～0.5 part of trolamine; 3～6 parts of ethanol; 70～61 parts of service waters.
The B component: mass content is 70 parts of 45～50% cut oil pitches; Mass content is 1～5 part of 49～51% an emulsification polychloroprene latex; Mass content is 0～5 part of 49～51% an emulsification styrene-butadiene latex; 0.1～0.3 part of skimmer BYK-024; 28.9～19.7 parts of service waters.
Embodiment 1
The embodiment of the present invention transportation is with the preparation method of deicing fluid, and its composition and content thereof are all following by mass fraction:
A component: get the mixing tank that 70 parts of service waters place a band to stir, add 26 parts of industrial calcium chlorides then successively, 0.1 part of Sodium Benzoate; 0.2 part of Sodium phosphate, dibasic; 0.5 part of Sodium Nitrite, 0.2 part of trolamine, 3 parts of ethanol; Above material stirring and dissolving under normal temperature is mixed, promptly make deicing fluid A component.
The B component: getting mass content is the mixing tank that 70 parts of 45～50% cut oil pitches place a band to stir; Add 1 part of mass content 49～51% emulsification polychloroprene latex then; 1 part of mass content 49～51% emulsification styrene-butadiene latex, 0.1 part of skimmer BYK-024,27.9 parts of service waters; , above material is mixed under normal temperature, promptly make asphalt polymer membrane-forming agent B component.
Above-mentioned A, B component controlling quality are compared A:B=100:9; With A, B component respectively each personal independently spray gun on the wall of railway carriage or compartment, compartment, spray; In spraying deicing fluid A component; The B component is sprayed on the antifreeze liquid layer with the atomizing shape simultaneously, and the automatic precipitating of meeting becomes the solid bitumen polymer film and is attached on the antifreeze liquid layer of A component when the B component runs into the A component, forms transportation and uses antifreeze liquid film.
Embodiment 2
The embodiment of the present invention transportation is with the preparation method of deicing fluid, and its composition and content thereof are all following by mass fraction:
A component: get the mixing tank that 61 parts of service waters place a band to stir, add 30 parts of industrial calcium chlorides then successively, 0.3 part of Sodium Benzoate; 0.7 part of Sodium phosphate, dibasic; 1.5 parts of Sodium Nitrites, 0.5 part of trolamine, 6 parts of ethanol; Above material stirring and dissolving under normal temperature is mixed, promptly make deicing fluid A component.
B component: get the mixing tank that 70 parts of mass content 45～50% anionic cut oil pitches place a band to stir; Add 5 parts of mass content 49～51% emulsification polychloroprene latexs then; 5 parts of mass content 49～51% emulsification styrene-butadiene latexes, 0.3 part of skimmer BYK-024,19.7 parts of service waters; Above material is mixed under normal temperature, promptly make asphalt polymer membrane-forming agent B component.
Above-mentioned A, B component controlling quality are compared A:B=100:12; With A, B component respectively each personal independently spray gun on the wall of railway carriage or compartment, compartment, spray; In spraying deicing fluid A component; The B component is sprayed on the deicing fluid laminar surface simultaneously with the atomizing shape, and the automatic precipitating of meeting becomes the solid bitumen polymer film and is attached on the antifreeze liquid layer of A component when the B component runs into the A component, forms transportation and uses antifreeze liquid film.
Embodiment 3
The embodiment of the present invention transportation is with the preparation method of deicing fluid, and its composition and content thereof are all following by mass fraction:
A component: get the mixing tank that 64.6 parts of service waters place a band to stir, add 28 parts of industrial calcium chlorides then successively, 0.2 part of Sodium Benzoate; 0.6 part of Sodium phosphate, dibasic; 1.3 parts of Sodium Nitrites, 0.3 part of trolamine, 5 parts of ethanol; Above material stirring and dissolving under normal temperature is mixed, promptly make deicing fluid A component.
B component: get the mixing tank that 70 parts of mass content 45～50% anionic cut oil pitches place a band to stir; Add 4 parts of 49～51% emulsification polychloroprene latexs then; 4 parts of mass content 49～51% emulsification styrene-butadiene latexes, 0.2 part of skimmer BYK-024,21.8 parts of service waters; Above material is mixed under normal temperature, promptly make asphalt polymer membrane-forming agent B component.
Above-mentioned A, B component controlling quality are compared A:B=100:15; With A, B component respectively each personal independently spray gun on the wall of railway carriage or compartment, compartment, spray; In spraying deicing fluid A component; The B component is sprayed with the atomizing shape simultaneously, and the automatic precipitating of meeting becomes the solid bitumen polymer film and is attached on the antifreeze liquid layer of A component when the B component runs into the A component, forms transportation and uses antifreeze liquid film.
Embodiment 4
The embodiment of the present invention transportation is with the preparation method of deicing fluid, and its composition and content thereof are all following by mass fraction:
A component: get the mixing tank that 65.1 parts of service waters place a band to stir, add 29 parts of industrial calcium chlorides then successively, 0.2 part of Sodium Benzoate; 0.4 part of Sodium phosphate, dibasic; 1.0 parts of Sodium Nitrites, 0.3 part of trolamine, 4 parts of ethanol; Above material stirring and dissolving under normal temperature is mixed, promptly make deicing fluid A component.
B component: get the mixing tank that 70 parts of mass content 45～50% cut oil pitches place a band to stir; Add 2 parts of mass content 49～51% emulsification polychloroprene latexs then; 2 parts of mass content 49～51% emulsification styrene-butadiene latexes, 0.2 part of skimmer BYK-024,25.8 parts of service waters; Above material is mixed under normal temperature, promptly make asphalt polymer membrane-forming agent B component.
Above-mentioned A, B component controlling quality are compared A:B=100:17; With A, B component respectively each personal independently spray gun on the wall of railway carriage or compartment, compartment, spray; In spraying deicing fluid A component; The B component is ejected in the deicing fluid laminar surface simultaneously with the atomizing shape, and the automatic precipitating of meeting becomes solid bitumen polymeric film stratiform and is attached on the antifreeze liquid layer of A component when the B component runs into the A component, forms transportation and uses antifreeze liquid film.
Embodiment 5
The embodiment of the present invention transportation is with the preparation method of deicing fluid, and its composition and content thereof are all following by mass fraction:
A component: get the mixing tank that 67.2 parts of service waters place a band to stir, add 27 parts of industrial calcium chlorides then successively, 0.1 part of Sodium Benzoate; 0.4 part of Sodium phosphate, dibasic; 0.9 part of Sodium Nitrite, 0.4 part of trolamine, 4 parts of ethanol; Above material stirring and dissolving under normal temperature is mixed, promptly make deicing fluid A component.
B component: get the mixing tank that 70 parts of mass content 45～50% anionic cut oil pitches place a band to stir; Add 3 parts of mass content 49～51% anionic emulsification polychloroprene latexs then; 3 parts of mass content 49～51% anionic emulsification styrene-butadiene latexes, 0.3 part of skimmer BYK-024,23.7 parts of service waters; Above material is mixed under normal temperature, promptly make asphalt polymer membrane-forming agent B component.
Above-mentioned A, B component controlling quality are compared A:B=100:18; With A, B component respectively each personal independently spray gun on the wall of railway carriage or compartment, compartment, spray; In spraying deicing fluid A component; The B component is ejected in the deicing fluid laminar surface simultaneously with the atomizing shape, and the automatic precipitating of meeting becomes solid bitumen polymeric film stratiform and is attached on the A component deicing fluid when the B component runs into the A component, forms transportation and uses antifreeze liquid film.
Embodiment 6
The embodiment of the present invention transportation is with the preparation method of deicing fluid, and its composition and content thereof are all following by mass fraction:
A component: get the mixing tank that 64.8 parts of service waters place a band to stir, add 29.5 parts of industrial calcium chlorides then successively, 0.2 part of Sodium Benzoate; 0.6 part of Sodium phosphate, dibasic; 1.4 parts of Sodium Nitrites, 0.5 part of trolamine, 3 parts of ethanol; Above material stirring and dissolving under normal temperature is mixed, promptly make deicing fluid A component.
The B component: getting mass content is the mixing tank that 70 parts of 45～50% anionic cut oil pitches place a band to stir; Adding mass content then is 1 part of 49～51% anionic emulsification polychloroprene latex; Mass content is 0 part of 49～51% an anionic emulsification styrene-butadiene latex, 0.2 part of skimmer BYK-024,28.8 parts of service waters; Above material is mixed under normal temperature, promptly make asphalt polymer membrane-forming agent B component.
Above-mentioned A, B component controlling quality are compared A:B=100:15; With A, B component respectively each personal independently spray gun on the wall of railway carriage or compartment, compartment, spray; In spraying deicing fluid A component; The B component is sprayed the deicing fluid laminar surface simultaneously with the atomizing shape, and the automatic precipitating of meeting becomes solid bitumen polymeric film stratiform and is attached on the A component deicing fluid when the B component runs into the A component, forms transportation and uses antifreeze liquid film.
Embodiment 7
The embodiment of the present invention transportation is with the preparation method of deicing fluid, and its composition and content thereof are all following by mass fraction:
A component: get the mixing tank that 63.6 parts of service waters place a band to stir, add 29.5 parts of industrial calcium chlorides then successively, 0.2 part of Sodium Benzoate; 0.7 part of Sodium phosphate, dibasic; 1.5 parts of Sodium Nitrites, 0.5 part of trolamine, 4 parts of ethanol; Above material stirring and dissolving under normal temperature is mixed, promptly make deicing fluid A component.
The B component: getting mass content is the mixing tank that 70 parts of 45～50% anionic cut oil pitches place a band to stir; Adding mass content then is 3 parts of 45～50% anionic emulsification polychloroprene latexs; Mass content is 0 part of 45～50% an anionic emulsification styrene-butadiene latex, 0.3 part of skimmer BYK-024,26.7 parts of service waters; Above material is mixed under normal temperature, promptly make asphalt polymer membrane-forming agent B component.
Above-mentioned A, B component controlling quality are compared A:B=100:12; With A, B component respectively each personal independently spray gun on the wall of railway carriage or compartment, compartment, spray; In spraying deicing fluid A component; The B component is sprayed the deicing fluid laminar surface simultaneously with the atomizing shape, and the automatic precipitating of meeting becomes solid bitumen polymeric film stratiform and is attached on the A component deicing fluid when the B component runs into the A component, forms transportation and uses antifreeze liquid film.
By proportioning and the spraying method among the above embodiment; A, B component are sprayed on the irony envelope inwall of long 60cm, wide 30cm, high 30cm; Then moisture 8～15% washing coals are poured in the phase body, sprayed on the surface, coal seam again and lacked deicing fluid, the cryogenic refrigerator of at last envelope being put into-50 ℃ kept 24 hours, 48 hours, 72 hours; Observe the freeze gathering situation of bottom deicing fluid at the bottom of situation, the sticking wall situation when coal is toppled over and the case of railway carriage or compartment wall respectively; Through test in 72 hours, the railway carriage or compartment wall did not have icing phenomenon, does not have wall sticking phenomenon when coal is toppled over; Bottom deicing fluid only has the minute quantity clustering phenomena to occur at the bottom of the case, and the asphalt polymer rete has obviously played and stoped the phenomenon that moisture content spreads in the wall deicing fluid of railway carriage or compartment in trickling downwards of railway carriage or compartment wall deicing fluid and the coal to take place.Press the A component deicing fluid of embodiment 5 preparation, the pH value is 7, viscosity 5 mPas (20 ℃), density 1.17g/cm
3, flash-point＞61 ℃, 101 ℃ of boiling points; Freezing point≤-46 ℃, have nonpoisonous and tasteless, pollution-free, a little less than skin irritation very; Meet the TB/T3208-2008 of the Ministry of Railways " the bulk granular transportation of cargo is with the technical performance index of deicing fluid " requirement, B component pH value is 6.5, density 1.008g/cm
3, viscosity 36mPas (20 ℃), the formed asphalt polymer rete of B component does not have influence to ature of coal and human body, and this kind transportation is easy, easy to use with antifreeze liquid film moulding, has saved the energy, has shortened the railway carriage operating turnaround, has reduced transportation cost.
Be understood that; The above-mentioned listed embodiment of the present invention; All be to carry out antifreeze liquid film to transportation fine coal railway car tank wall face to use; And be to wash the material water cut to the northern area washery to carry out 8～15%, other pulverulent material or the water cut liquid outside the listed scope of the present invention all can use, and can obtain satisfied effect too.
Claims (7)
1. one kind is used for the antifreeze liquid film that fine coal transports, and its said antifreeze liquid film is to be made up of A component and B component; It is following that the composition of its said A component and content thereof are pressed mass fraction:
26～30 parts of industrial calcium chlorides; 0.1～0.3 part of Sodium Benzoate; 0.2～0.7 part of Sodium phosphate, dibasic; 0.5～1.5 part of Sodium Nitrite; 0.2～0.5 part of trolamine; 3～6 parts of ethanol; 70～61 parts of service waters;
It is following that the composition of its said B component and content thereof are pressed mass fraction:
Mass content is 70 parts of 45～50% cut oil pitches; Mass content is 1～5 part of 49～51% an emulsification polychloroprene latex; Mass content is 0～5 part of 49～51% an emulsification styrene-butadiene latex; 0.1～0.3 part of skimmer BYK-024; 28.9～19.7 parts of service waters.
2. preparation method who is used for the antifreeze liquid film of fine coal transportation as claimed in claim 1, its said method is made up of the preparation method of A component and B component; It is following that the concrete preparation method of its A component presses mass fraction:
Get 70～61 parts of service waters and place a band stirring mixer, add 26～30 parts of industrial calcium chlorides then successively, 0.1～0.3 part of Sodium Benzoate; 0.2～0.7 part of Sodium phosphate, dibasic; 0.5～1.5 part of Sodium Nitrite, 0.2～0.5 part of trolamine, 3～6 parts of ethanol; Above material stirring and dissolving under normal temperature is mixed, promptly make deicing fluid A component;
It is following that the concrete preparation method of its B component presses mass fraction:
Getting mass content is the mixing tank that 70 parts of 45～50% cut oil pitches place a band to stir; Adding mass content then is 1～5 part of 49～51% emulsification polychloroprene latex; Mass content is 0～5 part of 49～51% an emulsification styrene-butadiene latex, 0.1～0.3 part of skimmer BYK-024,28.9～19.7 parts of service waters; Above material is mixed under normal temperature, promptly make deicing fluid B component.
3. according to claim 1 or claim 2 preparation method, its said mass content are that 45～50% cut oil pitch is the anionic emulsion of 90～No. 120 petroleum pitch.
4. according to claim 1 or claim 2 preparation method, its said mass content is that 49～51% emulsification polychloroprene latexs are the general polychloroprene latex of anionic.
5. according to claim 1 or claim 2 preparation method, its said mass content is that 49～51% emulsification styrene-butadiene latexes are the general styrene-butadiene latexes of anionic.
6. application method that is used for the antifreeze liquid film of fine coal transportation as claimed in claim 2; Its said application method is to be 100:9～18 with prepared A component and B component among the above-mentioned preparation method by mass ratio; Wall sprays in the railway carriage or compartment, compartment by spray gun simultaneously respectively; Automatic precipitating becomes the solid bitumen polymer film when the B component runs into the A component, and is attached on the antifreeze liquid layer of A component, forms transportation and uses antifreeze liquid film.
7. the application that is used for the antifreeze liquid film of fine coal transportation as claimed in claim 6, its said fine coal be after washing water cut at 8～15% fine coal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210107918.7A CN102676060B (en) | 2012-04-13 | 2012-04-13 | Antifreeze liquid film for pulverized coal transport and preparation method and application thereof |
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| CN103804931A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Modified asphalt composition and preparation method thereof |
| WO2015005883A3 (en) * | 2013-06-26 | 2015-04-09 | Turkiye Petrol Rafinerileri A.S. | Nanoparticle and gelation stabilized functional composites of an ionic salt in a hydrophobic polymer matrix |
| CN106398528A (en) * | 2016-08-31 | 2017-02-15 | 北京精诚博桑科技有限公司 | Ultralow temperature nano antifreezing isolating emulsion, and preparation method thereof |
| CN114621676A (en) * | 2020-12-11 | 2022-06-14 | 河南蓝翎环科防水材料有限公司 | High-performance rubber asphalt waterproof paint and construction process thereof |
| CN118546655A (en) * | 2024-07-24 | 2024-08-27 | 陕西汇中科技发展股份有限公司 | Efficient anti-freezing material for mine and manufacturing process thereof |
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| CN103804931A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Modified asphalt composition and preparation method thereof |
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| CN114621676A (en) * | 2020-12-11 | 2022-06-14 | 河南蓝翎环科防水材料有限公司 | High-performance rubber asphalt waterproof paint and construction process thereof |
| CN118546655A (en) * | 2024-07-24 | 2024-08-27 | 陕西汇中科技发展股份有限公司 | Efficient anti-freezing material for mine and manufacturing process thereof |
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