CN100509962C - Special emusified asphalt for railway or light underground plated non-fragment rail and production thereof - Google Patents
Special emusified asphalt for railway or light underground plated non-fragment rail and production thereof Download PDFInfo
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- CN100509962C CN100509962C CNB2006101132516A CN200610113251A CN100509962C CN 100509962 C CN100509962 C CN 100509962C CN B2006101132516 A CNB2006101132516 A CN B2006101132516A CN 200610113251 A CN200610113251 A CN 200610113251A CN 100509962 C CN100509962 C CN 100509962C
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Abstract
Special emulsified asphalt for railway or light-rail plated non-fragment rail and its manufacture are disclosed. The process is carried out by emulsifying by mineral, regulating by pH value, building up with other emulsifiers and blending for emulsifier and applier. Its advantages include excellent stability, compatibility, elasticity and endurance and higher ionic strength.
Description
Technical field
The present invention relates to the material field, is a kind of railway or light rail plate type slag-free orbit special-purpose emulsifying pitch and preparation method thereof.
Background technology
Plate-type slag-free orbit is one of structure formation important in railway or the urban light rail ballastless track, technology is the most ripe in the world, be characterized on roadbed, laying concrete bed, on base, place ready-formed track plate, reserve the space of 3～5cm between the two, the perfusion emulsification asphalt cement mortar solidifies back formation and has rigidity and elastic filling bed course uniformly concurrently.Emulsification asphalt cement mortar is the key components that railway or urban light rail ballastless track structural elasticity are adjusted layer, also is in the pilot development stage at present at home, does not still have the product of performance excellence.Though Chinese patent ZL02139237.4 discloses a kind of ballastless track emulsification asphalt cement mortar, through reaching the examination shop that two rivers grand bridge has carried out plate-type slag-free orbit in China at Qinhuangdao Shenyang Special Passenger Line dog river grand bridge, its practical application effect is still undesirable.Chinese patent 200410023087.0 and 200410023086.6 discloses a kind of emulsified bitumen and asphalt cement mortar, but is still waiting to improve at aspects such as cost, stability, swelling property and thermal adaptabilities.The emulsified bitumen of existing preparation emulsification asphalt cement mortar mainly exists poor stability, ionic strength is higher, poor with the consistency of sand-cement slurry system, make that the emulsification asphalt cement mortar operable time of preparing is short, thermal adaptability is relatively poor, easily layering, pour into and be difficult to after 24 hours expand, deficiencies such as fillibility difference are necessary this is improved.Though analogous products are arranged abroad, there is the price height, the starting material source is restricted deficiencies such as complex manufacturing.
Summary of the invention
An object of the present invention is mainly to exist poor stability for the emulsified bitumen that solves above-mentioned emulsification asphalt cement mortar, ionic strength is higher, poor with the consistency of sand-cement slurry system, make that the emulsification asphalt cement mortar operable time of preparing is short, thermal adaptability is relatively poor, easily layering, pour into and be difficult to after 24 hours expand, problems such as fillibility difference, a kind of good stability is provided, ionic strength is lower, good with the consistency of sand-cement slurry system, the emulsification asphalt cement mortar operable time of preparing is long, thermal adaptability is better, be difficult for layering, expand easily railway that fillibility is good or light rail plate type slag-free orbit special-purpose emulsifying pitch.
Another object of the present invention provides a kind of railway or light rail plate type slag-free orbit special-purpose emulsifying bituminous preparation method.
For achieving the above object, a technical scheme of the present invention provides a kind of railway or light rail plate type slag-free orbit special-purpose emulsifying pitch, and the mass parts prescription of this emulsified bitumen is as follows:
Pitch, 55-65 parts; Water, 35.0----45.0 part; Emulsifying agent, 1.00-5.00 parts; Stablizer, 0.20-3.00 parts; PH value conditioning agent, 0.00-1.00; Thickening material, 0.10-1.50.
Pitch is that label is rock asphalt, petroleum pitch, coal-tar pitch or the bituminous composition of 30～120#, can be used singly or in combination.The preferably rock asphalt of 50～100# and petroleum pitch.Pitch is the main body composition of emulsified bitumen.
Emulsifying agent is that in cationic, anionic asphalt emulsifier, non-ionic type asphalt emulsifier and the mineral emulsifying agent one or more are combined with each other, and presents the emulsifying agent mixture that splits attribute slowly.Cationic emulsifier has alkylamine (as the octadecyl Pn), acid amides (as N-aminoethyl acid amides), tetrahydroglyoxaline (as 1-aminoethyl-2-heptadecyl tetrahydroglyoxaline), oxyethane diamines, aminated lignin and quaternary amine (as octadecyl trimethyl ammonium chloride).Anionic emulsifier comprises carboxylate salt (as sodium soap), sulfonate (as sodium alkyl benzene sulfonate) and vitriol (as sodium alkyl sulfate).Nonionic emulsifying agent comprises polyoxyethylene-type (as polyoxyethylene alkylphenol ether), polyvalent alcohol type (as sorbitan ester) and polyether-type (as the polypropylene glycol ethylene oxide adduct).The mineral emulsifying agent mainly is clay, potter's clay, wilkinite, lime, asbestos etc.Use the mineral emulsifying agent can regulate the charge property of emulsified bitumen, increase emulsified bitumen stability and with the consistency of cement, reduce the cost of product simultaneously, emulsifying agent is that bitumen production is become emulsified bitumen and gives the key ingredient that emulsified bitumen has property.
Stablizer is an inorganic salts, and example hydrochloric acid salt, vitriol, nitrate, silicate, carbonate, sulfur hydrogen salt and composition thereof wherein are preferably calcium chloride, ammonium chloride, sodium sulfate, water glass, yellow soda ash and composition thereof.Stablizer increases repulsive force each other by regulating the ion-conductance potential difference of pitch particle electrostatic double layer on every side, strengthens the stability of emulsified bitumen.
PH value conditioning agent is divided into bronsted lowry acids and bases bronsted lowry, and wherein acid comprises mineral acid or organic acid, example hydrochloric acid, acetic acid, lipid acid, Whitfield's ointment etc.; Alkali wherein is sodium hydroxide or potassium hydroxide.PH value conditioning agent can be regulated the ionic strength and the emulsifying effectiveness of emulsifier solution by regulating the potential of hydrogen of emulsion, has vital role for this special-purpose emulsifying pitch of preparation.
Thickening material is natural or synthetic compound, can be starch, gelatin, amine, polyvinyl alcohol, Mierocrystalline cellulose, polyacrylate, polyether-type and polyurethane type thickening material.Thickening material adds in the entry can form colloidal solution, makes the viscosity of system rise the coalescent speed of having slowed down pitch particle; And can form protective membrane on the pitch particle surface, because space steric effect makes pitch particle be in good dispersion state.
Another technical scheme of the present invention provides a kind of railway or light rail plate type slag-free orbit special-purpose emulsifying bituminous preparation method, and the preparation method is as follows:
1. pitch is heated to 110～150 ℃ standby;
2. in the water that the emulsifying agent and the stablizer of weighing joined 40～70 ℃, pH value to 2～12 according to the property adjustments solution of emulsifying agent after the stirring and dissolving, add thickening material and water, temperature 30-60 ℃ of control emulsion;
3. emulsion is injected the mulser that cleans up, start mulser;
4. heated bitumen is injected mulser and emulsion mixing by proportioning, under the high speed shear and dissemination of mulser, be dispersed in the emulsion;
5. railway or light rail plate type slag-free orbit special-purpose emulsifying pitch enter hold tank through tundish, can use after the cooling.
More particularly, the step of this method is as follows:
1. pitch is heated to 110～150 ℃ standby; Use multiple pitch if desired, with various pitches be heated to respectively in proportion 110～150 ℃ standby;
2. in the water that the emulsifying agent and the stablizer of weighing joined 40～70 ℃, according to prior art, pH value to 2～12 according to the property adjustments solution of emulsifying agent after the stirring and dissolving, add thickening material and water, temperature 35-55 ℃ of control emulsion;
3. emulsion is injected the mulser that cleans up, start mulser;
4. heated bitumen is injected mulser and emulsion mixing by proportioning, under the high speed shear and dissemination of mulser, be dispersed in the emulsion;
5. railway or light rail plate type slag-free orbit special-purpose emulsifying pitch enter hold tank through tundish, can use after the cooling.
Beneficial effect
The objective of the invention is at the shortcoming of existing preparation emulsification asphalt cement mortar with emulsified bitumen, a kind of new railway or light rail plate type slag-free orbit special-purpose emulsifying pitch and preparation method thereof are provided, to satisfy the requirement of railway or urban light rail ballastless track with the cement asphalt mortar preparation, characteristics and performance requriements according to emulsification asphalt cement mortar carry out the development of special-purpose emulsifying bituminous, by using mineral emulsifying agent and pH value conditioning agent, on the basis of the performance index that satisfy conventional emulsified bitumen, focus on slow fragility and ionic the adjusting at emulsified bitumen, consider that not only admixture is to the emulsified bitumen Effect on Performance, also take the influence of admixture simultaneously into account to hydrated cementitious, pass through reasonable proportioning, give full play to the synergistic effect of compound emulsifying agent, increased consistency with the sand-cement slurry system, emulsification asphalt cement mortar matrix material with the preparation of this kind emulsified bitumen has thermal adaptability and application property preferably, good weather resistance and anti-vibration fatigue property.
Embodiment
Further specify the present invention below in conjunction with embodiment, but not as a limitation of the invention.
Embodiment 1
Railway or light rail plate type slag-free orbit special-purpose emulsifying bituminous mass parts prescription are as follows:
Table 1 railway or light rail plate type slag-free orbit special-purpose emulsifying bituminous prescription
Railway or light rail plate type slag-free orbit special-purpose emulsifying bituminous manufacturing process are as follows:
1. pitch is dewatered post-heating to 130 ℃, the metering back is standby;
2. tap water is heated to 40～70 ℃, the metering back is standby;
3. emulsifying agent and the stablizer with weighing adds in the entry, adds pH value conditioning agent, after the stirring and dissolving, adds thickening material, and the temperature of control emulsion is 35～55 ℃, and is standby;
4. emulsion is poured in the mulser, is started mulser, pitch is joined in the mulser slowly, treat that pitch all adds after, treat that the emulsion color and luster evenly gets final product discharging;
5. the railway or the light rail plate type slag-free orbit special-purpose emulsifying bituminous seal that make are preserved.
Embodiment 2
Railway or light rail plate type slag-free orbit special-purpose emulsifying bituminous mass parts prescription are as follows:
The prescription of table 1 emulsified bitumen
Railway or light rail plate type slag-free orbit special-purpose emulsifying bituminous manufacturing process are with embodiment 1.
Embodiment 3-9
Railway or light rail plate type slag-free orbit special-purpose emulsifying bituminous manufacturing process are with embodiment 1, and the prescription of emulsified bitumen is as shown in the table.
Claims (8)
1. railway or light rail plate type slag-free orbit special-purpose emulsifying pitch, it is characterized in that: the mass parts prescription is as follows:
Pitch, 55-65 parts; Water, 35.0-45.0 parts; Emulsifying agent, 1.00-5.00 parts; Stablizer, 0.20-3.00 parts; PH value conditioning agent, 0.00-1.00 parts; Thickening material, 0.10-1.50 parts;
Described emulsifying agent is multiple being combined with each other in cationic asphalt emulsifier, anionic asphalt emulsifier, non-ionic type asphalt emulsifier and the mineral emulsifying agent, presents the emulsifying agent mixture that splits attribute slowly; Wherein cationic asphalt emulsifier is selected from alkylamine, acid amides and quaternary ammonium salt; The anionic asphalt emulsifier is selected from carboxylate salt, sulfonate and vitriol; Nonionic emulsifier is the polyoxyethylene-type emulsifying agent.
2. according to described railway of claim 1 or light rail plate type slag-free orbit special-purpose emulsifying pitch, it is characterized in that pitch, 60-63 parts; Water, 38.0-42.0 parts; Emulsifying agent, 3.00-4.00 parts; Stablizer, 0.30-1.00 parts, except 1.00; PH value conditioning agent, 0.1-0.8 part; Thickening material, 0.2-1.0 parts.
3. according to described railway of claim 1 or light rail plate type slag-free orbit special-purpose emulsifying pitch, it is characterized in that pitch, 62 parts; Water, 40.0 parts; Emulsifying agent, 3.50 parts; Stablizer, 0.6 part; PH value conditioning agent, 0.4-0.6 part; Thickening material, 0.6 part.
4. according to described railway of claim 1 or light rail plate type slag-free orbit special-purpose emulsifying pitch, it is characterized in that pitch is that label is any one or more than one the mixture in the rock asphalt, petroleum pitch, coal-tar pitch of 30～120#; Stablizer is an inorganic salts; PH value conditioning agent comprises acid ph value conditioning agent or alkaline pH value conditioning agent; Thickening material comprises starch, gelatin, amine, polyvinyl alcohol, Mierocrystalline cellulose, polyacrylate, polyether-type and polyurethane-type thickening material.
5. according to described railway of claim 4 or light rail plate type slag-free orbit special-purpose emulsifying pitch, it is characterized in that the mineral emulsifying agent comprises clay, potter's clay, wilkinite, lime or asbestos; Described inorganic salts is hydrochloride, vitriol, nitrate, silicate, carbonate, sulfur hydrogen salt and composition thereof; Described acid ph value conditioning agent comprises any one in hydrochloric acid, lipid acid or the Whitfield's ointment; Described alkaline pH value conditioning agent is sodium hydroxide or potassium hydroxide.
6. according to described railway of claim 4 or light rail plate type slag-free orbit special-purpose emulsifying pitch, it is characterized in that described acid ph value conditioning agent comprises acetic acid.
7. according to described railway of claim 1 or light rail plate type slag-free orbit special-purpose emulsifying pitch, it is characterized in that described stablizer is calcium chloride, ammonium chloride, sodium sulfate, water glass, yellow soda ash and composition thereof.
8. according to described railway of claim 1 or light rail plate type slag-free orbit special-purpose emulsifying bituminous preparation method, it is characterized in that the step of this method is as follows:
1. pitch is heated to 110-150 ℃ standby;
2. in the water that the emulsifying agent and the stablizer of weighing joined 40-70 ℃, pH value to 2～12 according to the property adjustments solution of emulsifying agent after the stirring and dissolving, add thickening material and water, the temperature of control emulsion;
3. emulsion is injected the mulser that cleans up, start mulser;
4. heated bitumen is injected mulser and emulsion mixing by proportioning, under the high speed shear and dissemination of mulser, be dispersed in the emulsion;
5. emulsified bitumen enters hold tank through tundish, can use after the cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101132516A CN100509962C (en) | 2006-09-20 | 2006-09-20 | Special emusified asphalt for railway or light underground plated non-fragment rail and production thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006101132516A CN100509962C (en) | 2006-09-20 | 2006-09-20 | Special emusified asphalt for railway or light underground plated non-fragment rail and production thereof |
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| CN100509962C true CN100509962C (en) | 2009-07-08 |
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Families Citing this family (16)
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| WO2011057456A1 (en) * | 2009-11-16 | 2011-05-19 | 江苏宝利沥青股份有限公司 | Emulsified asphalt with higher solid content and preparation method thereof |
| CN102190895B (en) * | 2010-03-10 | 2012-11-14 | 中国石油天然气股份有限公司 | Emulsified asphalt with strong compatibility, and preparation method thereof |
| CN103834183A (en) * | 2012-11-27 | 2014-06-04 | 中国石油天然气股份有限公司 | Special emulsified asphalt for slab ballastless track of high speed railway |
| CN103059589A (en) * | 2012-12-28 | 2013-04-24 | 中国铁道科学研究院金属及化学研究所 | Emulsified asphalt for ballastless slab track in severe cold region and preparation method thereof |
| CN103113751B (en) * | 2013-02-26 | 2015-08-19 | 长安大学 | A kind of adhesion coating cation-modified emulsified bitumen and preparation method thereof |
| CN103525104A (en) * | 2013-10-08 | 2014-01-22 | 陈显鹏 | Fireproof emulsified asphalt |
| CN103773028A (en) * | 2014-01-20 | 2014-05-07 | 南通东南公路工程有限公司 | Fatty acid emulsified asphalt material |
| CN103819916A (en) * | 2014-02-28 | 2014-05-28 | 山西远征化工有限责任公司 | Emulsified coal tar pitch |
| CN105273420B (en) * | 2014-07-11 | 2017-11-28 | 中国石油化工股份有限公司 | High softening-point emulsified asphalt and preparation method thereof |
| CN104403334A (en) * | 2014-11-18 | 2015-03-11 | 无锡众鑫拉链有限公司 | Anti-rut agent and asphalt mixture |
| CN104403335B (en) * | 2014-11-21 | 2017-10-17 | 江苏省交通科学研究院股份有限公司 | A kind of glutinous coating emulsified asphalt and preparation method thereof |
| CN104987739A (en) * | 2015-07-16 | 2015-10-21 | 龚有林 | Plastic clay emulsified petroleum asphalt and application thereof |
| CN105368082B (en) * | 2015-12-04 | 2017-10-17 | 喜跃发国际环保新材料股份有限公司 | A kind of seamless industrial floor additive and its production technology and application method |
| CN111154464A (en) * | 2020-02-24 | 2020-05-15 | 河南省新乡市第七化工有限公司 | Sulfonated asphalt for well drilling |
| ES2955335T3 (en) * | 2020-05-26 | 2023-11-30 | Asfalto Liquido Tecnologia Extrema Altex Sa | Conditioner for asphalt mixture, conditioned asphalt paving mixture, its preparation processes, its uses in paving surfaces, paved surfaces and system for preparing a conditioner for asphalt mixture |
| CN114395265B (en) * | 2022-02-17 | 2023-05-05 | 知行良知实业股份有限公司 | High-viscosity modified emulsified asphalt and preparation method thereof |
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Owner name: RAILWAY SCIENTIFIC RESEARCH ACADEMY METAL AND CHEM Effective date: 20120906 Owner name: CHINA ACADEMY OF RAILWAY SCIENCES Free format text: FORMER OWNER: RAILWAY SCIENTIFIC RESEARCH ACADEMY METAL AND CHEMICAL RESEARCH INSTITUTE Effective date: 20120906 |
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Effective date of registration: 20120906 Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Patentee after: China Academy of Railway Sciences Patentee after: Railway Scientific Research Academy Metal And Chemical Research Institute Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Patentee before: Railway Scientific Research Academy Metal And Chemical Research Institute |