阅读说明：本技术 一种用于运输固化形式的沥青的固体粒料及方法 (Solid granules and method for transporting solidified asphalt ) 是由 焦祺森 于 2020-05-19 设计创作，主要内容包括：本发明公开了一种用于运输固化形式的沥青的固体粒料及方法,该粒料包括：内芯、外壳,内芯包含在外壳内部,内芯、外壳致密接触；内芯包含沥青和含烃聚合物的混合物；外壳包含聚合物材料,烃类聚合物以至少一种非溶混相存在于混合物中,含烃聚合物在沥青中的溶解度使得从混合物中回收的沥青在与含烃聚合物混合之前的倾点与沥青的倾点变化至多为3°C,聚合物材料在120°C的温度下溶解度大于7wt%。通过该粒料,很好地解决了沥青异地运输、异地采用的困难；节约了材料,降低了浪费,使材料按照用途地域充分被利用；提供了一种新的固体沥清运输结构及方法。(The invention discloses a solid pellet and method for transporting asphalt in solidified form, the pellet comprising: the inner core is contained in the shell, and the inner core and the shell are in compact contact; the inner core comprises a mixture of bitumen and a hydrocarbon-containing polymer; the outer shell comprises a polymeric material, the hydrocarbon polymer being present in the mixture in at least one immiscible phase, the solubility of the hydrocarbon-containing polymer in the bitumen being such that the pour point of the bitumen recovered from the mixture before mixing with the hydrocarbon-containing polymer varies from the pour point of the bitumen by at most 3 ℃, the solubility of the polymeric material being greater than 7wt% at a temperature of 120 ℃. The difficulty of transporting and adopting the asphalt in different places is well solved through the granules; the material is saved, the waste is reduced, and the material is fully utilized according to the use region; a new solid asphalt transport structure and method are provided.)

1. A solid pellet for transporting asphalt in solidified form, comprising: the inner core and the outer shell are arranged in the shell, wherein the inner core is contained in the outer shell;

the inner core comprises a mixture of bitumen and a hydrocarbon-containing polymer, wherein the bitumen is separable into components of a mixture of hydrocarbons and non-metal derivatives;

the casing comprises a polymeric material, the hydrocarbon polymer being present in the mixture in at least one immiscible phase, wherein the polymeric material comprised in the casing is polyethylene, polypropylene or polystyrene, the solubility of the hydrocarbon-containing polymer in the bitumen is such that the pour point of the bitumen recovered from the mixture before mixing with the hydrocarbon-containing polymer varies from at most 3 ℃ from the pour point of the bitumen, the solubility of the polymeric material at a temperature of 120 ℃ is greater than 7wt%, the polymeric material being a low density material.

2. Solid pellet for transporting asphalt in solidified form according to claim 1, characterized in that the solubility of the hydrocarbon-containing polymer in asphalt is less than 5 wt% at a temperature of 120 ℃.

3. A solid pellet for transporting asphalt in a solidified form as claimed in claim 1, wherein the solubility of said hydrocarbon-containing polymer in asphalt is such that the pour point of asphalt recovered from the mixture prior to mixing with said hydrocarbon-containing polymer does not vary by more than 3 ℃ when compared to the pour point of asphalt.

4. A solid pellet for transporting asphalt in a solidified form as set forth in claim 1, characterized in that said casing is free of asphalt.

5. A solid particulate material for transporting asphalt in a solidified form as set forth in claim 1, wherein said outer casing has an outer surface having a concavo-convex shape.

6. A solid pellet for transporting asphalt in a solidified form as set forth in claim 1, wherein said outer casing has a groove corresponding to said inner core.

7. A solid pellet for transporting asphalt in a solidified form as set forth in claim 1, wherein when said inner cores are 120 and said outer shells are not more than 2 m, the probability of failure of the compression resistance test of each of said outer shells is at most 0.35%.

8. A method for transporting asphalt in solidified form, comprising the steps of:

s1: mixing and cooling asphalt and hydrocarbon-containing polymer to form an inner core;

s2: the inner core is wrapped by a shell made of polyethylene, polypropylene or polystyrene;

s3: transporting asphalt according to different local conditions, and when transporting the asphalt to a destination for use, raising the temperature to over 120 ℃ to melt the shell of the asphalt to obtain the asphalt.

Technical Field

The invention relates to the technical field of transportation, in particular to solid granules and a method for transporting solidified asphalt.

Background

The asphalt is easy to flow when hot, easy to adhere when cold and difficult to transport, and in the prior art, no method for transporting solid asphalt is available, which brings difficulty which cannot be overcome for the different-place application of asphalt, and simultaneously, because too much asphalt output is not well utilized, waste is caused, so that the asphalt is required and cannot be well solved, and too much asphalt is produced, so that the asphalt cannot be well applied, great waste is caused, the demand of one party is not enough, and the output of the other party is too much.

Disclosure of Invention

In view of the above technical problems in the related art, the present invention provides a solid pellet and method for transporting asphalt in solidified form, which can overcome the above disadvantages of the prior art.

In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:

a solid pellet for transporting asphalt in solidified form, the pellet comprising: the inner core and the outer shell are arranged in the shell, wherein the inner core is contained in the outer shell;

the inner core comprises a mixture of bitumen and a hydrocarbon-containing polymer, wherein the bitumen is separable into components of a mixture of hydrocarbons and non-metal derivatives;

the casing comprises a polymeric material, the hydrocarbon polymer being present in the mixture in at least one immiscible phase, wherein the polymeric material comprised in the casing is polyethylene, polypropylene or polystyrene, the solubility of the hydrocarbon-containing polymer in the bitumen is such that the pour point of the bitumen recovered from the mixture before mixing with the hydrocarbon-containing polymer varies from at most 3 ℃ from the pour point of the bitumen, the solubility of the polymeric material at a temperature of 120 ℃ is greater than 7wt%, the polymeric material being a low density material.

Further, the solubility of the hydrocarbon-containing polymer in the bitumen is less than 5 wt% at a temperature of 120 ℃.

Further, the solubility of the hydrocarbon-containing polymer in the asphalt is such that the asphalt recovered from the mixture does not change by more than 3 ℃ when compared to the pour point of the asphalt prior to mixing with the hydrocarbon-containing polymer.

Further, the outer shell is free of pitch.

Furthermore, the outer surface of the shell is concave-convex.

Further, the outer shell has a slot corresponding to the inner core.

Further, when the number of the inner cores is 120 and the number of the outer shells is not more than 2 m, the failure probability of the compression resistance test of each outer shell is at most 0.35%.

In another aspect, a method for transporting asphalt in a solidified form, comprising the steps of:

s1: mixing and cooling asphalt and hydrocarbon-containing polymer to form an inner core;

s2: the inner core is wrapped by a shell made of polyethylene, polypropylene or polystyrene;

s3: transporting asphalt according to different local conditions, and when transporting the asphalt to a destination for use, raising the temperature to over 120 ℃ to melt the shell of the asphalt to obtain the asphalt.

The invention has the beneficial effects that: the problems of the transportation and the adoption of the asphalt in different places are well solved by the granules and the method; the material is saved, the waste is reduced, and the material is fully utilized according to the use region; a new solid asphalt transport structure and method are provided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a cross-sectional view of a solid pellet for transporting asphalt in solidified form according to an embodiment of the present invention;

FIG. 2 is a block flow diagram of the steps of a method for transporting asphalt in a solidified form in accordance with an embodiment of the present invention;

in the figure: 1. inner core, 2, shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

As shown in fig. 1, a solid pellet for transporting asphalt in solidified form according to an embodiment of the present invention includes: the core comprises an inner core 1 and an outer shell 2, wherein the outer shell 2 internally contains a plurality of inner cores 1;

the core 1 comprises a mixture of bitumen and a hydrocarbon-containing polymer, wherein the bitumen is separable into components of a mixture of hydrocarbons and non-metal derivatives;

the casing 2 comprises a polymeric material, the hydrocarbon polymer being present in the mixture in at least one immiscible phase, wherein the polymeric material comprised in the casing 2 is polyethylene, polypropylene or polystyrene, the solubility of the hydrocarbon-containing polymer in the bitumen is such that the pour point of the bitumen recovered from the mixture before mixing with the hydrocarbon-containing polymer varies from at most 3 ℃ from the pour point of the bitumen, the solubility of the polymeric material at a temperature of 120 ℃ is greater than 7wt%, and the polymeric material is a low density material.

In a particular embodiment of the invention, the solubility of the hydrocarbon-containing polymer in the bitumen is less than 5 wt% at a temperature of 120 ℃.

In a particular embodiment of the invention, the solubility of the hydrocarbon-containing polymer in the bitumen is such that the pour point of the bitumen recovered from the mixture prior to mixing with the hydrocarbon-containing polymer does not vary by more than 3 ℃ when compared to the pour point of the bitumen.

In one embodiment of the invention, the housing 2 is free of bitumen.

In a specific embodiment of the present invention, the outer surface of the housing 2 is concave-convex.

In one embodiment of the invention, the outer shell 2 has a groove corresponding to the inner core 1.

In a specific embodiment of the present invention, when the number of the inner cores 1 is 120 and the outer shell 2 is not more than 2 m, the failure probability of the compression resistance test of each of the outer shells 1 is at most 0.35%.

In order to facilitate understanding of the above-described aspects of the present invention, the above-described aspects of the present invention will be described in detail below.

In particular use, as shown in FIG. 2, a particular method of use for transporting solid pellets of asphalt in solidified form according to the invention comprises the steps of:

s1: mixing and cooling asphalt and hydrocarbon-containing polymer to obtain an inner core 1;

s2: the inner core 1 is wrapped by the outer shell 2 made of polyethylene, polypropylene or polystyrene;

s3: transporting asphalt according to different local conditions, and when transporting the asphalt to a destination for use, raising the temperature to over 120 ℃ to melt the shell of the asphalt to obtain the asphalt.

In conclusion, by means of the technical scheme, the problems of different-place transportation and different-place adoption of the asphalt are well solved through the granules; the material is saved, the waste is reduced, and the material is fully utilized according to the use region; a new solid asphalt transport structure and method are provided.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.