CN103484140B - Preparation method of cable asphalt - Google Patents
Preparation method of cable asphalt Download PDFInfo
- Publication number
- CN103484140B CN103484140B CN201310401084.5A CN201310401084A CN103484140B CN 103484140 B CN103484140 B CN 103484140B CN 201310401084 A CN201310401084 A CN 201310401084A CN 103484140 B CN103484140 B CN 103484140B
- Authority
- CN
- China
- Prior art keywords
- preparation
- asphalt
- cable asphalt
- oxidation
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Working-Up Tar And Pitch (AREA)
Abstract
The invention provides a preparation method of cable asphalt. The method comprises the following steps: step 1, putting vacuum residue in an oxidation pot, and blowing air for oxidation at temperature of 250-300 DEG C and at the flow rate of 20-250m <3>/(h.t), wherein the oxidation time is 8-25 hours, and stopping the oxidation when the softening point is above 105 DEG C, thus obtaining oxidized asphalt; and step 2, adding softening components to the oxidized asphalt obtained in the step 1 according to the weight ratio of 99:1 to 50:50, and blending for 5-60 minutes to obtain the cable asphalt. The preparation method relates to the field of asphalt production technologies, and solves the problem that the preparation of cable asphalt is controlled by material supply in the prior art.
Description
Technical field
The present invention relates to asphalt production technical field, refer to a kind of preparation method of cable asphalt especially.
Background technology
China petrochemical industry cable asphalt standard SH0001-1990 is about the unique standard of cable asphalt, only has white gram of crude oil of Karamay Oil Fields in Xinjiang can produce the product meeting this index in the past.Mainly because this crude oil composition studies on asphaltene content is low especially, and gum level is high, and the traditional processing technology being prepared using high softening point bitumen with the residual oil of white gram of crude oil after underpressure distillation blowing oxidation can be produced.And other crude oil domestic and imported crude oil all can not utilize traditional asphalt production technique to produce the requirement meeting and produce this product.Therefore the domestic product-feed not meeting this index at present.
Cable asphalt standard SH0001-1990
Summary of the invention
The present invention proposes a kind of preparation method of cable asphalt, solves the problem that in prior art, cable asphalt preparation controls by raw material supply.
Technical scheme of the present invention is achieved in that
The preparation method of cable asphalt, comprise the following steps: vacuum residuum adds in stills for air blowing by (1), atmospheric oxidation is blown at the temperature of 250-300 DEG C, with the flow velocity of 20-250m3/ (ht), oxidization time is 8-25 hours, when softening temperature is more than 105 DEG C, oxidation terminates, and obtains oxidized bitumen; (2) add softening component according to the ratio of weight ratio 99:1-50:50 in the oxidized bitumen obtained to step (1), be in harmonious proportion and obtain cable asphalt after 5-60 minute.Aerodynamic force can be adopted during mediation to be in harmonious proportion, can to carry out in mediation still.The time be in harmonious proportion can select any number in 5-60 minute, and according to the experience in production practice, time harmonic is 30 minutes time, and the cable asphalt index obtained is better.
As a kind of technical scheme, in step (2), the ratio in described softening component shared by hydro carbons is 20-95wt%, and penetration degree is at 10-201/10mm.Hydro carbons is the main ingredient in softening component, and other other auxiliary components in addition, are as the criterion at 10-201/10mm with penetration degree.
As the improvement to technique scheme, described softening component is extract the mixture of one or more in oil, coal tar, catalytic slurry out.When for several mixtures, its blending ratio can for the part by weight that can mix arbitrarily.
As the improvement to technique scheme, in step (2), the ratio of oxidized bitumen and softening component is 95:5-70:30.
As the improvement to technique scheme, in step (1), be blown into atmospheric oxidation with the flow velocity of 50-200m3/ (ht).
As the improvement to technique scheme, in step (1), oxidization time was at 16-20 hours.
As a kind of technical scheme, in step (1), when softening temperature is more than 111 DEG C, oxidation terminates.
As the improvement to technique scheme, in step (1), described vacuum residuum is one or both the mixture in intermediate base crude oil, naphthenic base crude.
After have employed technique scheme, the invention has the beneficial effects as follows:
The present invention obtains cable asphalt after adopting vacuum residuum oxidation to add softening component, mediation afterwards, again, such production technique, when the raw material of the extremely low asphalt content not as white gram of crude oil, also can be that raw material production goes out standard compliant cable asphalt with current most of crude oil, adopting intermediate base crude oil and naphthenic base crude to be oxidic raw materials is core of the present invention with the softening component mixing of calling in, and has so greatly widened and has produced the raw material range meeting the cable asphalt of index.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the step schematic diagram of an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The preparation method of cable asphalt, comprises the following steps:
(1) add in stills for air blowing by vacuum residuum, at the temperature of 250-300 DEG C, with the flow velocity of 20-250m3/ (ht), be blown into atmospheric oxidation, oxidization time is 8-25 hours, and when softening temperature is more than 105 DEG C, oxidation terminates, and obtains oxidized bitumen.
(2) add softening component according to the ratio of weight ratio 99:1-50:50 in the oxidized bitumen obtained to step (1), be in harmonious proportion and obtain cable asphalt after 5-60 minute.Aerodynamic force can be adopted during mediation to be in harmonious proportion, can to carry out in mediation still.The time be in harmonious proportion can select any number in 5-60 minute, and according to the experience in production practice, time harmonic is 30 minutes time, and the cable asphalt index obtained is better.
In step (2), the ratio in described softening component shared by hydro carbons is 20-95wt%, and penetration degree is at 10-201/10mm.Hydro carbons is the main ingredient in softening component, and other other auxiliary components in addition, are as the criterion at 10-201/10mm with penetration degree.
Described softening component is extract the mixture of one or more in oil, coal tar, catalytic slurry out.When for several mixtures, its blending ratio can for the part by weight that can mix arbitrarily.
In step (2), the ratio of oxidized bitumen and softening component is 95:5-70:30.
In step (1), be blown into atmospheric oxidation with the flow velocity of 50-200m3/ (ht).
In step (1), oxidization time was at 16-20 hours.
In step (1), when softening temperature is more than 111 DEG C, oxidation terminates.
In step (1), described vacuum residuum is one or both the mixture in intermediate base crude oil, naphthenic base crude.
Embodiment 1:
As shown in Figure 1, the preparation method of cable asphalt, comprises the following steps:
(1) add in stills for air blowing by intermediate base crude oil, at the temperature of 250 DEG C, with the flow velocity of 20m3/ (ht), be blown into atmospheric oxidation, oxidization time is 25 hours, and when softening temperature is more than 105 DEG C, oxidation terminates, and obtains oxidized bitumen.
(2) add according to the ratio of weight ratio 99:1 in the oxidized bitumen obtained to step (1) and extract oil out, be in harmonious proportion and obtain cable asphalt after 5 minutes.Aerodynamic force can be adopted during mediation to be in harmonious proportion, can to carry out in mediation still.
In step (2), the ratio in described extraction oil shared by hydro carbons is 20wt%, and penetration degree is at 101/10mm.
Embodiment 2:
As shown in Figure 1, the preparation method of cable asphalt, comprises the following steps:
(1) add in stills for air blowing by intermediate base crude oil, at the temperature of 260 DEG C, with the flow velocity of 50m3/ (ht), be blown into atmospheric oxidation, oxidization time is 20 hours, and when softening temperature is more than 106 DEG C, oxidation terminates, and obtains oxidized bitumen.
(2) add coal tar according to the ratio of weight ratio 95:5 in the oxidized bitumen obtained to step (1), be in harmonious proportion and obtain cable asphalt after 10 minutes.Aerodynamic force can be adopted during mediation to be in harmonious proportion, can to carry out in mediation still.
In step (2), the ratio in described coal tar shared by hydro carbons is 30wt%, and penetration degree is at 121/10mm.Hydro carbons is the main ingredient in coal tar, and other other auxiliary components in addition, are as the criterion at 121/10mm with penetration degree.
Embodiment 3:
As shown in Figure 1, the preparation method of cable asphalt, comprises the following steps:
(1) add in stills for air blowing by naphthenic base crude, at the temperature of 270 DEG C, with the flow velocity of 150m3/ (ht), be blown into atmospheric oxidation, oxidization time is 18 hours, and when softening temperature is more than 107 DEG C, oxidation terminates, and obtains oxidized bitumen.
(2) add catalytic slurry according to the ratio of weight ratio 60:40 in the oxidized bitumen obtained to step (1), be in harmonious proportion and obtain cable asphalt after 30 minutes.Aerodynamic force can be adopted during mediation to be in harmonious proportion, can to carry out in mediation still.Time harmonic is 30 minutes time, and the cable asphalt index obtained is better.
In step (2), the ratio in described catalytic slurry shared by hydro carbons is 50wt%, and penetration degree is at 151/10mm.Hydro carbons is the main ingredient in catalytic slurry, and other other auxiliary components in addition, are as the criterion at 151/10mm with penetration degree.
Embodiment 4:
As shown in Figure 1, the preparation method of cable asphalt, comprises the following steps:
(1) mixture of intermediate base crude oil, naphthenic base crude is added in stills for air blowing, atmospheric oxidation is blown at the temperature of 280 DEG C, with the flow velocity of 200m3/ (ht), oxidization time is 16 hours, and when softening temperature is more than 110 DEG C, oxidation terminates, and obtains oxidized bitumen.
(2) add softening component according to the ratio of weight ratio 70:30 in the oxidized bitumen obtained to step (1), be in harmonious proportion and obtain cable asphalt after 40 minutes.Aerodynamic force can be adopted during mediation to be in harmonious proportion, can to carry out in mediation still.
In step (2), the ratio in described softening component shared by hydro carbons is 70wt%, and penetration degree is at 181/10mm.Hydro carbons is the main ingredient in softening component, and other other auxiliary components in addition, are as the criterion at 181/10mm with penetration degree.Described softening component is the mixture extracting oil, the mixing of coal tar arbitrary proportion out.
Embodiment 5:
As shown in Figure 1, the preparation method of cable asphalt, comprises the following steps:
(1) mixture of intermediate base crude oil, naphthenic base crude is added in stills for air blowing, atmospheric oxidation is blown at the temperature of 300 DEG C, with the flow velocity of 250m3/ (ht), oxidization time is 8 hours, and when softening temperature is more than 111 DEG C, oxidation terminates, and obtains oxidized bitumen.
(2) add softening component according to the ratio of weight ratio 50:50 in the oxidized bitumen obtained to step (1), be in harmonious proportion and obtain cable asphalt after 60 minutes.Aerodynamic force can be adopted during mediation to be in harmonious proportion, can to carry out in mediation still.
In step (2), the ratio in described softening component shared by hydro carbons is 95wt%, and penetration degree is at 201/10mm.Hydro carbons is the main ingredient in softening component, and other other auxiliary components in addition, are as the criterion at 201/10mm with penetration degree.Described softening component is the mixture of coal tar, the mixing of catalytic slurry arbitrary proportion.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the preparation method of cable asphalt, is characterized in that, comprises the following steps:
(1) vacuum residuum is added in stills for air blowing, at the temperature of 250-300 DEG C, with 20-250m
3the flow velocity of/(ht) is blown into atmospheric oxidation, and oxidization time is 8-25 hour, and when softening temperature is more than 105 DEG C, oxidation terminates, and obtains oxidized bitumen;
(2) add softening component according to the ratio of weight ratio 99:1-50:50 in the oxidized bitumen obtained to step (1), be in harmonious proportion and obtain cable asphalt after 5-60 minute;
In step (2), the ratio in described softening component shared by hydro carbons is 20-95wt%, and penetration degree is at 10-20 1/10mm;
Described vacuum residuum is one or both the mixture in intermediate base crude oil, naphthenic base crude.
2. the preparation method of cable asphalt as claimed in claim 1, is characterized in that: described softening component is extract the mixture of one or more in oil, coal tar, catalytic slurry out.
3. the preparation method of cable asphalt as claimed in claim 2, it is characterized in that: in step (2), the ratio of oxidized bitumen and softening component is 95:5-70:30.
4. the preparation method of cable asphalt as claimed in claim 3, is characterized in that: in step (1), with 50-200m
3the flow velocity of/(ht) is blown into atmospheric oxidation.
5. the preparation method of cable asphalt as claimed in claim 4, is characterized in that: in step (1), oxidization time is at 16-20 hour.
6. the preparation method of the cable asphalt as described in any one of claim 1-5, is characterized in that: in step (1), and when softening temperature is more than 111 DEG C, oxidation terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401084.5A CN103484140B (en) | 2013-09-05 | 2013-09-05 | Preparation method of cable asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401084.5A CN103484140B (en) | 2013-09-05 | 2013-09-05 | Preparation method of cable asphalt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103484140A CN103484140A (en) | 2014-01-01 |
| CN103484140B true CN103484140B (en) | 2015-05-13 |
Family
ID=49824751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310401084.5A Expired - Fee Related CN103484140B (en) | 2013-09-05 | 2013-09-05 | Preparation method of cable asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103484140B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4215809B2 (en) * | 2007-07-09 | 2009-01-28 | 株式会社コスモ総合研究所 | Manufacturing method of asphalt for waterproofing construction |
| CN102453491A (en) * | 2010-10-15 | 2012-05-16 | 中国石油化工股份有限公司 | Preparation method of softening-point-controlled oxidation asphalt product |
| CN103030982A (en) * | 2013-01-06 | 2013-04-10 | 北京建筑工程学院 | Method for preparing mixed asphalt |
-
2013
- 2013-09-05 CN CN201310401084.5A patent/CN103484140B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4215809B2 (en) * | 2007-07-09 | 2009-01-28 | 株式会社コスモ総合研究所 | Manufacturing method of asphalt for waterproofing construction |
| CN102453491A (en) * | 2010-10-15 | 2012-05-16 | 中国石油化工股份有限公司 | Preparation method of softening-point-controlled oxidation asphalt product |
| CN103030982A (en) * | 2013-01-06 | 2013-04-10 | 北京建筑工程学院 | Method for preparing mixed asphalt |
Non-Patent Citations (2)
| Title |
|---|
| 电缆研究报告;刘雪飞;《石油沥青》;19891231(第3期);第1-6页 * |
| 糠醛抽出油调合道路石油沥青研究;何靖斌等;《石油沥青》;20121031;第26卷(第5期);第53-56页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103484140A (en) | 2014-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10696868B2 (en) | Use of an additive and paving grade asphalt in shingle coating asphalt composition manufacture | |
| CN108102792B (en) | Candle special wax and preparation method thereof | |
| CN103897731B (en) | A kind of catalytic cracking diesel oil and C 10+the method of distillate mixture manufacturing light aromatics | |
| CN101228252B (en) | high quality asphalt containing pitch and preparing method thereof | |
| CN101386688B (en) | Aromatic rubber oil and producing method thereof | |
| CN107778887A (en) | A kind of modified pitch and preparation method thereof | |
| CN105462614B (en) | Low transformer oil base oil for coagulating high cycloalkanes carbon content and preparation method thereof | |
| CN106243746A (en) | A kind of ultra-thin wearing layer modified pitch and preparation method thereof | |
| AU2009233836B2 (en) | Air blown asphalt including polyphosphoric acid | |
| CN103484140B (en) | Preparation method of cable asphalt | |
| CN102965135B (en) | Purification method for coal tar maltha | |
| CN103509575B (en) | Solvent used for preparation of high-quality coal-based needle coke | |
| CN106317917A (en) | Building asphalt and preparing method thereof | |
| CN102676215B (en) | Method for improving gassing resistance of transformer oil and equipment for producing transformer oil | |
| CN109266374B (en) | Australian C-320 asphalt and production method thereof | |
| CN108822885A (en) | A kind of composite extractant and preparation method thereof for Fischer-Tropsch oil oxide removal | |
| CN105906855A (en) | Vehicle anti-aging rubber | |
| CN112442279B (en) | Road asphalt and preparation thereof | |
| CN103865557A (en) | Building asphalt preparation method | |
| CN103805220A (en) | Preparation method for high-softening point asphalt | |
| CN102329662A (en) | Method for blending diesel oil with high cetane number by using aviation kerosene refined from gas condensate | |
| CN106221668A (en) | A kind of process preparing high-quality electrode pitch binding agent | |
| JP2018087303A (en) | Process for producing soft pitch | |
| CN101693772A (en) | Method for producing environment-friendly rubber oil through blending method | |
| CN113969179B (en) | High-viscosity furfural refined extract oil and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20180905 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |