CN110951270A - Process for improving freezing resistance of rock asphalt mortar by adding aromatic hydrocarbon - Google Patents
Process for improving freezing resistance of rock asphalt mortar by adding aromatic hydrocarbon Download PDFInfo
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- CN110951270A CN110951270A CN201911337658.0A CN201911337658A CN110951270A CN 110951270 A CN110951270 A CN 110951270A CN 201911337658 A CN201911337658 A CN 201911337658A CN 110951270 A CN110951270 A CN 110951270A
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- finished product
- aromatic hydrocarbon
- freezing
- asphalt
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Abstract
The invention discloses a process for improving freezing resistance of rock asphalt mortar by adding aromatic hydrocarbon, and relates to the technical field of rock asphalt; the process comprises the following steps: the method comprises the following steps: preparing raw materials: 0.1-0.7% of aromatic hydrocarbon, 2% of hard wax, 100% of matrix asphalt and 20-60% of rock asphalt; step two: feeding 0.1-0.7% of aromatic hydrocarbon, 100% of matrix asphalt and 20-60% of rock asphalt into a stirring mill jar machine according to the proportion; step three: adding 2 percent of Sasobit in the total amount of asphalt, namely a mixture of narrowly distributed synthetic saturated hydrocarbon, namely a long chain and narrow; step four: starting a stirring and grinding jar machine, stirring and grinding the raw materials through the stirring and grinding jar, uniformly mixing, and discharging through a finished product outlet pipe; step five: and (3) anti-freezing detection: freezing the finished product in a freezing bin; step six: detecting the performance of the frozen raw materials: detecting the performance of the frozen finished product through detection equipment, bagging when the finished product is qualified, and remanufacturing when the finished product is unqualified; the invention can improve the frost resistance, can realize paving at low temperature, and has simple and quick manufacturing process; can improve the quality of the later period, is simple, convenient and quick to operate, and saves time.
Description
Technical Field
The invention belongs to the technical field of rock asphalt, and particularly relates to a process for improving freezing resistance of rock asphalt mortar by adding aromatic hydrocarbon.
Background
Rock asphalt is an asphalt substance generated by petroleum through the deposition and change for hundreds of millions of years under the combined action of heat, pressure, oxidation, catalysts, bacteria and the like. Are commonly used as matrix asphalt modifiers. The physical properties of rock bitumen approach the mineral multi-element state. The existing rock asphalt can not realize paving at low temperature, and an anti-freezing rock asphalt mortar is needed to realize paving.
Disclosure of Invention
The problem that the rock asphalt cannot be paved at low temperature is solved; the invention aims to provide a process for improving the frost resistance of rock asphalt mortar by adding aromatic hydrocarbon.
The invention relates to a process for improving freezing resistance of rock asphalt mortar by adding aromatic hydrocarbon, which comprises the following steps:
the method comprises the following steps: preparing raw materials: 0.1-0.7% of aromatic hydrocarbon, 100% of matrix asphalt and 20-60% of rock asphalt;
step two: 0.1 to 0.7 percent of aromatic hydrocarbon, 100 percent of matrix asphalt and 20 to 60 percent of rock asphalt are fed into a stirring mill jar machine from a bitumen inlet pipe, an aromatic hydrocarbon inlet pipe and a rock asphalt inlet pipe according to the proportion;
step three: starting a stirring and grinding jar machine, stirring and grinding the raw materials through the stirring and grinding jar, uniformly mixing, and discharging through a finished product outlet pipe;
step four: and (3) anti-freezing detection: freezing the finished product in a freezing bin;
step five: detecting the performance of the frozen raw materials: and detecting the performance of the frozen finished product through detection equipment, bagging when the finished product is qualified, and remanufacturing when the finished product is unqualified.
Preferably, the freezing time in the fourth step is 1-2 hours.
Preferably, the temperature of the freezing in the fourth step is-5 to-30 ℃.
Preferably, an electric valve is arranged on the finished product outlet pipe.
Preferably, the bitumen inlet pipe, the aromatic hydrocarbon inlet pipe and the rock asphalt inlet pipe are connected with an automatic blanking device.
Compared with the prior art, the invention has the beneficial effects that:
the frost resistance can be improved, paving can be realized at low temperature, and the manufacturing process is simple and quick;
and secondly, the quality of the later period can be improved, and the operation is simple, convenient and quick, and the time is saved.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1-stirring and grinding potteries machine; 2-asphalt inlet pipe; 3-arene inlet pipe; 4-rock asphalt inlet pipe; 5-milling potteries; and 6, discharging a finished product pipe.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: the process comprises the following steps:
the method comprises the following steps: preparing raw materials: 0.1-0.7% of aromatic hydrocarbon, 100% of matrix asphalt and 20-60% of rock asphalt;
step two: 0.1 to 0.7 percent of aromatic hydrocarbon, 100 percent of matrix asphalt and 20 to 60 percent of rock asphalt are fed into a stirring mill jar machine 1 through a bitumen inlet pipe 2, an aromatic hydrocarbon inlet pipe 3 and a rock asphalt inlet pipe 4 according to the proportion;
step three: starting a stirring and grinding jar machine, stirring and grinding the raw materials through a stirring and grinding jar 5, uniformly mixing, and discharging through a finished product outlet pipe 6;
step four: and (3) anti-freezing detection: freezing the finished product in a freezing bin;
step five: detecting the performance of the frozen raw materials: and detecting the performance of the frozen finished product through detection equipment, bagging when the finished product is qualified, and remanufacturing when the finished product is unqualified.
Further, the freezing time in the fourth step is 1-2 hours.
Further, the temperature of the freezing in the fourth step is-5 to-30 ℃.
Further, an electric valve is installed on the finished product outlet pipe 6.
Further, the bitumen inlet pipe 2, the aromatic hydrocarbon inlet pipe 3 and the rock asphalt inlet pipe 4 are connected with an automatic blanking device.
Examples
A process for improving frost resistance of rock asphalt mortar by adding aromatic hydrocarbon comprises the following steps:
the method comprises the following steps: preparing raw materials: 0.5% of aromatic hydrocarbon, 100% of matrix asphalt and 30% of rock asphalt;
step two: 0.5 percent of aromatic hydrocarbon, 100 percent of matrix asphalt and 30 percent of rock asphalt are put into a stirring mill jar machine from a bitumen inlet pipe, an aromatic hydrocarbon inlet pipe and a rock asphalt inlet pipe according to the proportion;
step three: starting a stirring and grinding jar machine, stirring and grinding the raw materials through the stirring and grinding jar, uniformly mixing, and discharging through a finished product outlet pipe;
step four: and (3) anti-freezing detection: freezing the finished product in a freezing bin, wherein the freezing time is 1.5 hours, and the freezing temperature is-15 ℃;
step five: detecting the performance of the frozen raw materials: and detecting the performance of the frozen finished product through detection equipment, bagging when the finished product is qualified, and remanufacturing when the finished product is unqualified.
Secondly, a process for improving the freezing resistance of rock asphalt mortar by adding aromatic hydrocarbon, which comprises the following steps:
the method comprises the following steps: preparing raw materials: 0.7% of aromatic hydrocarbon, 100% of matrix asphalt and 60% of rock asphalt;
step two: 0.5 percent of aromatic hydrocarbon, 100 percent of matrix asphalt and 30 percent of rock asphalt are put into a stirring mill jar machine from a bitumen inlet pipe, an aromatic hydrocarbon inlet pipe and a rock asphalt inlet pipe according to the proportion;
step three: starting a stirring and grinding jar machine, stirring and grinding the raw materials through the stirring and grinding jar, uniformly mixing, and discharging through a finished product outlet pipe;
step four: and (3) anti-freezing detection: freezing the finished product in a freezing bin, wherein the freezing time is 1.5 hours, and the freezing temperature is-15 ℃;
step five: detecting the performance of the frozen raw materials: and detecting the performance of the frozen finished product through detection equipment, bagging when the finished product is qualified, and remanufacturing when the finished product is unqualified.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A process for improving freezing resistance of rock asphalt mortar by adding aromatic hydrocarbon is characterized by comprising the following steps: the process comprises the following steps:
the method comprises the following steps: preparing raw materials: 0.1-0.7% of aromatic hydrocarbon, 100% of matrix asphalt and 20-60% of rock asphalt;
step two: 0.1 to 0.7 percent of aromatic hydrocarbon, 100 percent of matrix asphalt and 20 to 60 percent of rock asphalt are fed into a stirring mill jar machine from a bitumen inlet pipe, an aromatic hydrocarbon inlet pipe and a rock asphalt inlet pipe according to the proportion;
step three: starting a stirring and grinding jar machine, stirring and grinding the raw materials through the stirring and grinding jar, uniformly mixing, and discharging through a finished product outlet pipe;
step four: and (3) anti-freezing detection: freezing the finished product in a freezing bin;
step five: detecting the performance of the frozen raw materials: and detecting the performance of the frozen finished product through detection equipment, bagging when the finished product is qualified, and remanufacturing when the finished product is unqualified.
2. The process of claim 1, wherein the process comprises the following steps: the freezing time in the fourth step is 1-2 hours.
3. The process of claim 1, wherein the process comprises the following steps: the temperature of the refrigeration in the fourth step is-5 to-30 ℃.
4. The process of claim 1, wherein the process comprises the following steps: an electric valve is arranged on the finished product outlet pipe.
5. The process of claim 1, wherein the process comprises the following steps: the bitumen inlet pipe, the aromatic hydrocarbon inlet pipe and the rock asphalt inlet pipe are all connected with an automatic blanking device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910766063 | 2019-08-19 | ||
| CN2019107660630 | 2019-08-19 |
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|---|---|
| CN110951270A true CN110951270A (en) | 2020-04-03 |
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| CN201911337658.0A Pending CN110951270A (en) | 2019-08-19 | 2019-12-23 | Process for improving freezing resistance of rock asphalt mortar by adding aromatic hydrocarbon |
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Citations (6)
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|---|---|---|---|---|
| CN103819913A (en) * | 2014-02-21 | 2014-05-28 | 淄博京源新材料科技有限公司 | High-performance modified asphalt, and preparation method and preparation apparatus thereof |
| CN106189291A (en) * | 2016-07-15 | 2016-12-07 | 黑龙江省中信路桥材料有限公司 | Iran's natural rock asphalt modified pitch and preparation method thereof |
| CN107057386A (en) * | 2017-05-25 | 2017-08-18 | 西咸新区众力沥青有限公司 | The processing technology and formula of a kind of bitumen finished product cementitious matter |
| WO2018026140A1 (en) * | 2016-08-02 | 2018-02-08 | 주식회사한수나텍 | Nonvolatile ordinary temperature modified asphalt binder and nonvolatile ordinary temperature regenerated asphalt mixture using same |
| CN107793774A (en) * | 2017-11-10 | 2018-03-13 | 湖北正康天然沥青科技有限公司 | A kind of processes of rock asphalt modified asphalt oil abrasion method processing technology |
| CN108559284A (en) * | 2018-04-17 | 2018-09-21 | 广州大象超薄路面技术开发有限公司 | A kind of thin overlay sticking layer oil and its preparation method and application |
-
2019
- 2019-12-23 CN CN201911337658.0A patent/CN110951270A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819913A (en) * | 2014-02-21 | 2014-05-28 | 淄博京源新材料科技有限公司 | High-performance modified asphalt, and preparation method and preparation apparatus thereof |
| CN106189291A (en) * | 2016-07-15 | 2016-12-07 | 黑龙江省中信路桥材料有限公司 | Iran's natural rock asphalt modified pitch and preparation method thereof |
| WO2018026140A1 (en) * | 2016-08-02 | 2018-02-08 | 주식회사한수나텍 | Nonvolatile ordinary temperature modified asphalt binder and nonvolatile ordinary temperature regenerated asphalt mixture using same |
| CN107057386A (en) * | 2017-05-25 | 2017-08-18 | 西咸新区众力沥青有限公司 | The processing technology and formula of a kind of bitumen finished product cementitious matter |
| CN107793774A (en) * | 2017-11-10 | 2018-03-13 | 湖北正康天然沥青科技有限公司 | A kind of processes of rock asphalt modified asphalt oil abrasion method processing technology |
| CN108559284A (en) * | 2018-04-17 | 2018-09-21 | 广州大象超薄路面技术开发有限公司 | A kind of thin overlay sticking layer oil and its preparation method and application |
Non-Patent Citations (2)
| Title |
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| 何云晓等主编: "《园林建筑材料实用教程》", 30 September 2015, 东南大学出版社 * |
| 刘尚乐编著: "《石油沥青及其在建筑中应用》", 30 June 1983, 中国建筑工业出版社 * |
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Application publication date: 20200403 |