CN201485417U - Wax content reducing device for producing oil asphalt - Google Patents
Wax content reducing device for producing oil asphalt Download PDFInfo
- Publication number
- CN201485417U CN201485417U CN2009201573791U CN200920157379U CN201485417U CN 201485417 U CN201485417 U CN 201485417U CN 2009201573791 U CN2009201573791 U CN 2009201573791U CN 200920157379 U CN200920157379 U CN 200920157379U CN 201485417 U CN201485417 U CN 201485417U
- Authority
- CN
- China
- Prior art keywords
- wax
- wax drop
- wax content
- furnace
- tower
- 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
Images
Landscapes
- Working-Up Tar And Pitch (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
A wax content reducing device for producing oil asphalt comprises an atmospheric furnace, an atmospheric tower, a vacuum furnace and a vacuum tower, and is characterized in that a wax content reducing heating furnace and a wax content reducing reactor are additionally arranged between the atmospheric tower and the vacuum tower in sequence, and the outlet temperature of the wax content reducing heating furnace and the methane gas emptying at the top of the wax content reducing reactor can be automatically controlled by a computer. The utility model can greatly reduce the wax content in the asphalt, and further solves the problem of simplified production of asphalt raw material.
Description
Technical field
The utility model relates to a kind of wax drop equipment, relates in particular to a kind of wax drop equipment that petroleum pitch is produced that is used for.
Background technology
Suizhong 36-1 crude oil is the high quality raw material of producing heavy traffic paving asphalt, the middle extra large 36-1 heavy traffic paving asphalt product of its production has pavement performance preferably, supply falls short of demand for product, the user spreads all over more than 20 province ground, the whole nations such as Shandong, Henan, Sichuan, North China, Beijing-Tianjin, and this product has substituted Imported Asphalt in part provinces and cities.But because the expection reserves deficiency of Suizhong 36-1 crude oil, output descends year by year, seeks a kind of alternate resources and produces heavy traffic paving asphalt, enlarges the raw material sources that pitch is produced, and the dependency to oil sources in the production of reduction pitch has become a problem that presses for solution.Qinhuangdao 32-6 crude oil is a kind of low-sulfur naphthenic base crude, but the distinct issues of the pitch that utilizes this crude production to go out are exactly that wax content is higher.Therefore, how reducing the bituminous wax content of producing, is the problem that needs solve, also be to expand a bottleneck restriction of producing asphalt stock, restricting the development of China's heavy traffic paving asphalt always, causing external heavy traffic paving asphalt to capture the domestic market in large quantity, be badly in need of solving.
Existing wax drop technology has two kinds of methods usually: the one, and on traditional normal decompression technology, change operating parameters and carry out: the vacuum tightness that improves vacuum furnace temperature out, raising vacuum distillation tower; The 2nd, go to injection reinforcing distillation agent in the long residuum at vacuum furnace, carry out intensifying distillation, deep drawing.
By facts have proved, all there is same defective in these two kinds of methods:
1, wax drop DeGrain;
2, operational condition harshness is subjected to the restriction of vacuum furnace load and vacuum distillation tower vacuum tightness easily;
3, to decompression side line oil (refer to vacuum 1st side cut, second line of distillation, subtract three-way, subtract four line oil) the quality product influence bigger: color blackening, carbon residue rising etc.
Summary of the invention
The purpose of this utility model provides a kind of wax drop equipment that petroleum pitch is produced that is used for, and this equipment can significantly reduce the content of wax in the pitch, and then solves the problem of producing the asphalt stock simplification.
Theoretical foundation of the present utility model is: the wax major part that is present in the pitch is to belong to the ceresine category, based on the substituent cyclic hydrocarbon of band normal paraffin.When measuring the pitch wax content, the wax major part of mensuration is the wax that secondary generates in the cracking process, just the wax that the fracture of the side chain of long side chain aromatic hydrocarbon, naphthenic hydrocarbon generates in the pitch.If before producing pitch, allow these side chain fractures in advance, then it is distilled, the pitch wax content of Sheng Chaning will correspondingly reduce like this.
Based on above-mentioned theory and the purpose of this utility model, the technical scheme that the utility model adopted is:
A kind of wax drop equipment that is used for petroleum pitch production, comprise atmospheric pressure kiln, atmospheric tower, vacuum furnace, vacuum distillation tower, it is characterized in that: increase a wax drop process furnace and a wax drop reactor between described atmospheric tower and described vacuum furnace successively, computer controlled automatic is all adopted in described wax drop furnace outlet temperature and the emptying of described wax drop reactor head gas.
The thermal load of described wax drop process furnace is 30%～70% of an atmospheric pressure kiln thermal load.
Described wax drop process furnace is heated to 330～380 ℃ with long residuum.
The volume of described wax drop reactor is 1～4 times of an atmospheric tower volumetrical.
The beneficial effects of the utility model are: owing to passing through long residuum that the processing of atmospheric pressure kiln, atmospheric tower obtains successively through the heating of wax drop process furnace, enter the wax drop reactor by feed distributor again and react, can make the side chain fracture of long side chain aromatic hydrocarbon, naphthenic hydrocarbon in the pitch; Handling distillation through vacuum furnace, vacuum distillation tower successively more afterwards can be so that the long side chain aromatic hydrocarbon of fracture, the side chain of naphthenic hydrocarbon be distilled out, and then have reduced the wax content in the pitch.Be embodied in:
1, wax drop effect is obvious, reduces wax content and can reach more than 20%～40%;
2, control, simple to operate does not automatically increase workload substantially;
3, be not subjected to the restriction of vacuum furnace load and vacuum distillation tower vacuum tightness;
4, less to the quality product influence of decompression side line oil.
5, transform simply, transform on existing apparatus, only need to increase by two equipment and get final product, all the other can not change.
The utility model can significantly reduce the content of wax in the pitch, and then has solved the problem of producing the asphalt stock simplification.
Description of drawings
Fig. 1 is a prior art structural representation of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Number description:
Atmospheric pressure kiln---1, atmospheric tower---2, vacuum furnace---3, vacuum distillation tower---4, the wax drop process furnace---5, the wax drop reactor---6, the drawing-off gas mouth---7
Embodiment
A kind of wax drop equipment that is used for petroleum pitch production of providing of 1, the 2 pair of the utility model is elaborated in conjunction with the accompanying drawings.
Shown in accompanying drawing 1,2, crude oil is delivered to atmospheric pressure kiln 1 by pipeline with pump and is heated to 365 ℃, enters atmospheric tower 2, isolates petroleum naphtha, a normal line oil, normal two wires oil and atmosphere 3rd side cut oil according to oil product boiling point difference; Long residuum (refers to the oil that comes out at the bottom of atmospheric tower, about about 320～345 ℃ of temperature) delivering to wax drop process furnace 5 by pipeline with pump heats, heat and enter wax drop reactor 6 to 330～380 ℃ and react, about 1.5～4 hours of reaction times, the gas that reaction produces uses computer controlled automatic by 7 emptying of drawing-off gas mouth at cat head, recycle, this process makes long side chain aromatic hydrocarbon in the pitch, the side chain fracture of naphthenic hydrocarbon, to deliver to vacuum furnace 3 by pipeline with pump through the material residual oil that the above-mentioned steps processing obtains again heats, heat to 390 ℃ and enter vacuum distillation tower 4, through vacuum furnace 3, the process that vacuum distillation tower 4 is handled be distill process, can be so that the long side chain aromatic hydrocarbon of fracture, the side chain of naphthenic hydrocarbon is distilled out, and then has reduced the wax content in the pitch.In vacuum distillation tower, to isolate first vacuum side stream, second line of distillation oil, subtract third fractional oil and subtract four line oil according to oil product boiling point difference, cat head gas is taken away with vacuum pump, is exactly the pitch that needs at the bottom of the tower.
As prioritization scheme of the present utility model: the thermal load of described wax drop process furnace is 30%～70% of an atmospheric pressure kiln thermal load.The structure of wax drop process furnace is the same with the structure of atmospheric pressure kiln, the amount of finish of its thermal load based on crude character, crude oil and temperature out are calculated and are determined, normally 30%～70% of the atmospheric pressure kiln thermal load, improve the effect that the side chain that makes long side chain aromatic hydrocarbon, naphthenic hydrocarbon in the pitch ruptures like this.
As prioritization scheme of the present utility model: described wax drop process furnace is heated to 330～380 ℃ with long residuum, and wax drop is effective.
As prioritization scheme of the present utility model: the volume of described wax drop reactor is 1～4 times of an atmospheric tower volumetrical.The volume based on crude character of wax drop reactor, the amount of finish of crude oil and reaction times calculate and determine, when the volume of described wax drop reactor was 1～4 times of atmospheric tower volumetrical, effect was best.Can reflect so fully, improve the effect of the side chain fracture that makes long side chain aromatic hydrocarbon, naphthenic hydrocarbon in the pitch.
Claims (3)
1. one kind is used for the wax drop equipment that petroleum pitch is produced, comprise atmospheric pressure kiln, atmospheric tower, vacuum furnace, vacuum distillation tower, it is characterized in that: increase a wax drop process furnace and a wax drop reactor between described atmospheric tower and described vacuum furnace successively, computer controlled automatic is all adopted in described wax drop furnace outlet temperature and the emptying of described wax drop reactor head gas.
2. a kind of according to claim 1 wax drop equipment that is used for petroleum pitch production, it is characterized in that: the thermal load of described wax drop process furnace is 30%～70% of an atmospheric pressure kiln thermal load.
3. a kind of as claimed in claim 1 or 2 wax drop equipment that is used for petroleum pitch production, it is characterized in that: the volume of described wax drop reactor is 1～4 times of an atmospheric tower volumetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201573791U CN201485417U (en) | 2009-05-31 | 2009-05-31 | Wax content reducing device for producing oil asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201573791U CN201485417U (en) | 2009-05-31 | 2009-05-31 | Wax content reducing device for producing oil asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201485417U true CN201485417U (en) | 2010-05-26 |
Family
ID=42424306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201573791U Expired - Fee Related CN201485417U (en) | 2009-05-31 | 2009-05-31 | Wax content reducing device for producing oil asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201485417U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962568A (en) * | 2010-10-19 | 2011-02-02 | 中海沥青股份有限公司 | Wax-reducing method for producing petroleum asphalt |
| CN107541231A (en) * | 2017-09-29 | 2018-01-05 | 乔银娣 | A kind of low wax pitch and preparation method thereof |
-
2009
- 2009-05-31 CN CN2009201573791U patent/CN201485417U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962568A (en) * | 2010-10-19 | 2011-02-02 | 中海沥青股份有限公司 | Wax-reducing method for producing petroleum asphalt |
| CN107541231A (en) * | 2017-09-29 | 2018-01-05 | 乔银娣 | A kind of low wax pitch and preparation method thereof |
| CN107541231B (en) * | 2017-09-29 | 2019-09-17 | 江西兴路公路材料有限公司 | A kind of low wax pitch and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103554926B (en) | A kind of low grade asphalt for high grade road and preparation method thereof | |
| CN105777126A (en) | Method for manufacturing large-specification carbon graphite sealing material matrix | |
| CN201485417U (en) | Wax content reducing device for producing oil asphalt | |
| CN109370628A (en) | A kind of production technology of coal-based needle coke | |
| CN102304382A (en) | Process for coproducing aromatic oil, asphalt and fuel oil | |
| CN107488351A (en) | Pouring asphalt cementitious matter prepared by a kind of coal liquefaction residue and preparation method thereof | |
| CN106883871B (en) | A kind of production method of needle-shape coke raw material | |
| CN104327879B (en) | A kind of combination process producing oil fuel, aromatic hydrocarbon oil, pitch | |
| CN106947526B (en) | A method of improving catalytic slurry anti-aging property | |
| CN1543496A (en) | Process for producing coke | |
| CN102149791B (en) | Process for producing needle coke for graphite electrode and stock oil composition for use in the process | |
| CN100383255C (en) | Petrol coke graphitization prepared carburant and petrol coke graphitization furnace filling technology | |
| CN102911689A (en) | Impregnated pitch with low quinoline insoluble content, low softening point and high residual carbon and preparation process and application of impregnated pitch | |
| CN101962568A (en) | Wax-reducing method for producing petroleum asphalt | |
| CN109097071A (en) | A kind of heating means producing formed coke | |
| CN101921098B (en) | Environment-friendly, high-intensity and desulfurated plaster wall brick and manufacture method thereof | |
| CN103217361A (en) | Method for measuring and calculating influence on high-temperature performance of asphalt caused by oil content | |
| CN103468008A (en) | Different-coal pitch blended asphalt and production technology thereof | |
| CN102702757A (en) | Modified asphalt waterproof coiled material and production process thereof | |
| CN108753331A (en) | The blending method of tamping coke furnace | |
| CN101775306A (en) | Production method for producing hard pitch | |
| CN105368081A (en) | NO.90 asphalt and manufacturing method thereof | |
| CN108251143B (en) | Method for preparing asphalt coke by adopting tower bottom asphalt | |
| CN102839009B (en) | Method for producing heavy traffic road asphalt by using super heavy oil | |
| CN215440331U (en) | Low softening point high QI modified asphalt's apparatus for producing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100526 Termination date: 20160531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |