CN214400377U - Catalytic slurry oil treatment equipment - Google Patents
Catalytic slurry oil treatment equipment Download PDFInfo
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- CN214400377U CN214400377U CN202120039728.0U CN202120039728U CN214400377U CN 214400377 U CN214400377 U CN 214400377U CN 202120039728 U CN202120039728 U CN 202120039728U CN 214400377 U CN214400377 U CN 214400377U
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Abstract
The utility model provides a catalytic slurry oil treatment facility, which belongs to the technical field of chemical equipment, and the structure comprises a slurry oil catalytic working section and a slurry oil distillation working section, wherein a slurry oil raw material tank in a tank area of the slurry oil catalytic working section is communicated with a slurry oil heat exchanger at the downstream, the downstream of the slurry oil heat exchanger is communicated to a fractionating tower, a primary heat exchange cooler and a secondary cooling water tank are arranged on a bottom fraction pipeline of the fractionating tower, and the tail end of the bottom fraction pipeline of the fractionating tower is connected with a slurry oil external throwing pipeline; the downstream of the oil slurry hot material pipeline is connected to the tower body feeding of a reduced pressure distillation tower of the oil slurry distillation section; the tail end of the distillation pipeline at the bottom of the reduced pressure distillation tower is connected with an asphalt output pipeline. The utility model discloses the slurry oil direct hot feed of slurry oil catalysis workshop section is advanced slurry oil distillation workshop section decompression tower and is smelt back at the bottom, fractionates through the decompression tower decompression, separates out the wax oil in the slurry oil and gets into decompression wax oil as catalytic material, distills remaining polycyclic aromatic hydrocarbon and gets into pitch, can improve the extension of pitch, improves the product quality of pitch.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry equipment technique and specifically relates to a catalysis slurry oil treatment facility.
Background
Generally, the catalytic device uses straight-run wax oil mixed with partial atmospheric residue as raw material to produce gasoline, light diesel oil, liquefied petroleum, oil slurry and other products. The oil slurry is pumped out from the bottom of the fractionating tower by an oil slurry pump, then passes through a heat exchanger and an oil slurry steam generator, the temperature is reduced to 250 ℃, one path of the oil slurry returns to the fractionating tower, the other part of the oil slurry is thrown out of the device through an oil slurry cooling water tank, and the temperature of the oil slurry outlet device is controlled to be about 90 ℃.
The brief introduction of the original process flow of asphalt production:
the distillation unit 220 processes crude oil, and the main products are gasoline component, diesel oil component, vacuum wax oil, vacuum residue oil, heavy traffic asphalt and the like. The bottom residue oil is heated in a vacuum furnace and then enters a vacuum tower, and is separated into reduced-top oil gas, reduced-first-line oil, reduced-second-line oil, reduced-third-line oil and asphalt in the vacuum tower.
The asphalt is pumped out by a pump, then sequentially exchanges heat with flash bottom oil and crude oil through a heat exchanger, and is sent out of the device after being cooled to 138 ℃ by a cooler.
Disclosure of Invention
The technical task of the utility model is to solve the not enough of prior art, provide a catalysis slurry oil treatment facility.
The technical scheme of the utility model is realized in the following way, the catalytic slurry oil treatment equipment of the utility model structurally comprises a slurry oil catalysis section and a slurry oil distillation section,
the oil slurry raw material tank of the tank area of the oil slurry catalysis working section is communicated with a downstream oil slurry heat exchanger, the downstream of the oil slurry heat exchanger is communicated to a fractionating tower, a primary heat exchange cooler and a secondary cooling water tank are arranged on a bottom fraction pipeline of the fractionating tower, and the downstream tail end of the bottom fraction pipeline of the fractionating tower is connected with an oil slurry external throwing pipeline;
an oil slurry hot material pipeline is divided between a primary heat exchange cooler and a secondary cooling water tank of a fractionating tower bottom fraction pipeline of an oil slurry catalysis section, and the downstream of the oil slurry hot material pipeline is connected to the tower body feeding of a reduced pressure distillation tower of the oil slurry distillation section;
the structure of the oil slurry distillation section is as follows:
the downstream of a crude oil pipeline of the tank area is sequentially communicated with a crude oil primary heat exchanger, a crude oil electric desalting dehydrator and a crude oil secondary heat exchanger in series, the downstream of the crude oil pipeline of the crude oil secondary heat exchanger is communicated with the feeding of a flash tower body,
the top pipeline of the flash tower is communicated with the top of the atmospheric distillation tower for feeding;
a flash tower bottom pipeline heating furnace is arranged on the flash tower bottom pipeline, and the flash tower bottom pipeline heated by the flash tower bottom pipeline heating furnace is communicated to the atmospheric distillation tower body for feeding;
the top of the atmospheric distillation tower is connected with a straight-run gasoline distillation pipeline;
the tower body at the top of the atmospheric distillation tower is connected with an atmospheric diesel distillation pipeline;
the middle part of the tower body of the atmospheric distillation tower is connected with a normal three-line oil distillation pipeline;
a bottom distillation pipeline heating furnace of the atmospheric distillation tower is arranged on the bottom distillation pipeline of the atmospheric distillation tower, and a bottom distillation pipeline of the atmospheric distillation tower of the bottom distillation pipeline heating furnace of the atmospheric distillation tower is communicated to the tower body of the reduced pressure distillation tower for feeding in the downstream direction;
the upper part of the tower body of the reduced pressure distillation tower is respectively communicated with a first-line oil-reducing distillation pipeline, a second-line oil-reducing distillation pipeline and a third-line oil-reducing distillation pipeline which are sequentially arranged on the tower body of the distillation tower from top to bottom and are respectively distilled;
the three of the normal three-line oil distillation pipeline, the reduced two-line oil distillation pipeline and the reduced three-line oil distillation pipeline are connected with a wax oil output pipeline in a converging manner;
the bottom distillation pipeline of the reduced pressure distillation tower is provided with a pipeline heat exchanger and a pipeline cooler, and the tail end of the bottom distillation pipeline of the reduced pressure distillation tower is connected with an asphalt output pipeline.
An oil slurry return pipeline is divided between a primary heat exchange cooler and a secondary cooling water tank of a fractionating tower bottom fraction pipeline of the oil slurry catalysis section in the oil slurry catalysis section,
the oil slurry return pipeline is communicated with the tower body reflux feeding at the tower bottom of the fractionating tower in a reflux manner;
the middle upper part of the fractionating tower body is communicated with a stripping tower through a distillation pipeline, and the bottom of the stripping tower is communicated with a catalytic diesel oil pipeline;
the downstream of the overhead distillation pipeline of the fractionating tower is communicated with the oil-gas separation tank and the secondary oil-gas separation tank;
oil components at the bottoms of the oil-gas separation tank and the secondary oil-gas separation tank are converged and communicated to a tower body of an absorption tower, the bottom of the absorption tower is connected with a ventilation press oil-gas separator, the downstream of the ventilation press oil-gas separator is communicated to a tower body of an analysis tower, and the bottom of the analysis tower is communicated to a tower body of a stabilizing tower;
the output pipeline at the top of the stabilizing tower is sequentially connected with an alkaline washing tank, a water washing tank and a desulfurizing tower in series, and the desulfurizing tower outputs a liquefied gas pipeline;
the bottom pipeline of the stabilizing tower is sequentially connected with a gasoline alkaline washing tank, a gasoline oxidation tower and a gasoline settling tank in series, the downstream of the gasoline settling tank is communicated to the top of the sand filter tower, and the bottom of the sand filter tower is communicated with a catalytic gasoline pipeline.
Compared with the prior art, the utility model produced beneficial effect is:
the utility model discloses a catalytic slurry oil treatment facility's technology configuration is: the temperature of the oil slurry in the oil slurry catalysis section is 250 ℃ after passing through an oil slurry steam generator, the oil slurry is not thrown out of a device after entering an oil slurry cooling water tank, the hot feed is directly fed into a pressure reduction tower bottom of an oil slurry distillation section for re-refining, the wax oil in the oil slurry is separated out and enters the pressure reduction wax oil as a catalytic raw material through pressure reduction fractionation of a pressure reduction tower, and the residual condensed ring aromatic hydrocarbon after distillation enters the asphalt, so that the extensibility of the asphalt can be improved, and the product quality of the asphalt can be improved.
The utility model discloses a catalysis slurry oil treatment facility reasonable in design, simple structure, safe and reliable, convenient to use, easy to maintain have fine using value widely.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference numerals in the drawings denote:
1. an oil slurry catalysis section, an oil slurry distillation section 2,
3. an oil slurry raw material tank, 4, an oil slurry heat exchanger, 5, a fractionating tower, 6, a fractionating tower bottom fraction pipeline, 7, a primary heat exchange cooler, 8, a secondary cooling water tank, 9, an oil slurry external throwing pipeline,
10. a pipeline for heating the slurry oil,
11. a crude oil pipeline in a tank area, 12, a primary crude oil heat exchanger, 13, a crude oil electric desalting dehydrator, 14, a secondary crude oil heat exchanger,
15. a flash tower, 16, a pipeline at the top of the flash tower, 17, an atmospheric distillation tower,
18. a flash tower bottom pipeline 19, a flash tower bottom pipeline heating furnace,
20. a straight-run gasoline distillation pipeline,
21. a normal pressure diesel oil distillation pipeline,
22. a normal three-line oil distillation pipeline,
23. a distillation pipeline at the bottom of the atmospheric distillation tower, a heating furnace of the distillation pipeline at the bottom of the atmospheric distillation tower 24,
25. a reduced-pressure distillation tower is arranged in the vacuum distillation tower,
26. a first oil-reducing distillation pipeline, a second oil-reducing distillation pipeline 27, a third oil-reducing distillation pipeline 28,
29. a wax oil output pipeline,
30. a distillation pipeline at the bottom of the reduced pressure distillation tower 31, a pipeline heat exchanger 32, a pipeline cooler 33, an asphalt output pipeline,
34. a return pipeline for the oil slurry is arranged,
35. a middle upper distillation pipeline of the fractionating tower body, 36, a stripping tower, 37 and a catalytic diesel oil pipeline,
38. a fractionating tower overhead pipeline 39, an oil-gas separation tank 40, a second-stage oil-gas separation tank,
41. an absorption tower, 42, a gas-liquid separator of a gas compressor, 43, an analytical tower, 44 and a stabilizing tower,
45. a stabilizing tower top output pipeline, 46, an alkali washing tank, 47, a water washing tank, 48, a desulfurizing tower, 49 and a liquefied gas pipeline,
50. a stabilizing tower bottom pipeline 51, a gasoline alkaline washing tank 52, a gasoline oxidation tower 53, a gasoline settling tank 54, a sand filter tower 55 and a catalytic gasoline pipeline.
Detailed Description
The following detailed description of the catalytic slurry oil treatment apparatus according to the present invention will be made with reference to the accompanying drawings.
As shown in the attached drawing, the structure of the catalytic slurry oil treatment equipment of the utility model comprises a slurry oil catalysis section 1 and a slurry oil distillation section 2,
an oil slurry raw material tank 3 of a tank area of an oil slurry catalysis working section is communicated with an oil slurry heat exchanger 4 at the downstream, the downstream of the oil slurry heat exchanger is communicated with a fractionating tower 5, a primary heat exchange cooler 7 and a secondary cooling water tank 8 are arranged on a bottom fraction pipeline 6 of the fractionating tower, and the downstream tail end of the bottom fraction pipeline 6 of the fractionating tower is connected with an oil slurry external throwing pipeline 9;
an oil slurry hot material pipeline 10 is divided between a primary heat exchange cooler 7 and a secondary cooling water tank 8 of a fractionating tower bottom fraction pipeline 6 of the oil slurry catalysis section 1, and the downstream of the oil slurry hot material pipeline 10 is connected to the tower body feeding of a reduced pressure distillation tower 25 of the oil slurry distillation section 2;
the structure of the oil slurry distillation section 2 is as follows:
the downstream of a crude oil pipeline 11 of the tank area is sequentially communicated with a crude oil primary heat exchanger 12, a crude oil electric desalting dehydrator 13 and a crude oil secondary heat exchanger 14 in series, the downstream of the crude oil pipeline of the crude oil secondary heat exchanger 14 is communicated with a tower body of a flash tower 15 for feeding,
a flash tower top pipeline 16 is communicated with a tower top feeding of an atmospheric distillation tower 17;
a flash tower bottom pipeline heating furnace 19 is arranged on the flash tower bottom pipeline 18, and the flash tower bottom pipeline 18 heated by the flash tower bottom pipeline heating furnace is communicated to the atmospheric distillation tower 17 for feeding;
the top of the atmospheric distillation tower 17 is connected with a straight-run gasoline distillation pipeline 20;
the tower body at the top of the atmospheric distillation tower 17 is connected with an atmospheric diesel oil distillation pipeline 21;
the middle part of the tower body of the atmospheric distillation tower 17 is connected with a normal three-line oil distillation pipeline 22;
a bottom distillation pipeline heating furnace 24 of the atmospheric distillation tower is arranged on the bottom distillation pipeline 23 of the atmospheric distillation tower, and a bottom distillation pipeline 23 of the atmospheric distillation tower of the bottom distillation pipeline heating furnace of the atmospheric distillation tower is communicated to a tower body of a reduced pressure distillation tower 25 in a downstream direction for feeding;
the upper part of the tower body of the reduced pressure distillation tower 25 is respectively communicated with a first line oil reducing distillation pipeline 26, a second line oil reducing distillation pipeline 27 and a third line oil reducing distillation pipeline 28 which are sequentially arranged on the tower body of the distillation tower from top to bottom and are respectively distilled;
the three of the normal three-line oil distillation pipeline 22, the reduced two-line oil distillation pipeline 27 and the reduced three-line oil distillation pipeline 28 are converged and connected with a wax oil output pipeline 29;
the bottom distillation line 30 of the vacuum distillation tower is provided with a line heat exchanger 31 and a line cooler 32, and the tail end of the bottom distillation line of the vacuum distillation tower is connected with an asphalt output pipeline 33.
An oil slurry return pipeline 34 is divided between the primary heat exchange cooler 7 and the secondary cooling water tank 8 of the fractionating tower bottom fraction pipeline of the oil slurry catalysis section on the oil slurry catalysis section 1,
the oil slurry return pipeline 34 is communicated with the tower body reflux feeding material at the tower bottom of the fractionating tower 5 in a reflux mode;
a middle upper distillation pipeline 35 of the fractionating tower body is communicated with a stripping tower 36, and the bottom of the stripping tower 36 is communicated with a catalytic diesel pipeline 37;
the overhead line 38 of the fractionating tower is communicated with an oil-gas separation tank 39 and a second-stage oil-gas separation tank 40 downstream;
oil components at the bottoms of the oil-gas separation tank 39 and the secondary oil-gas separation tank 40 converge and are communicated with a tower body of an absorption tower 41, the bottom of the absorption tower 41 is connected with a ventilation compressor oil-gas separator 42, the downstream of the ventilation compressor oil-gas separator is communicated with a tower body of a resolution tower 43, and the bottom of the resolution tower is communicated with a tower body of a stabilizing tower 44;
the stabilizing tower top output pipeline 45 is sequentially connected in series with an alkaline washing tank 46, a water washing tank 47 and a desulfurizing tower 48, and the desulfurizing tower outputs a liquefied gas pipeline 49;
the pipeline 46 at the bottom of the stabilizing tower is sequentially connected with a gasoline alkaline washing tank 51, a gasoline oxidation tower 52 and a gasoline settling tank 53 in series, the downstream of the gasoline settling tank 53 is communicated to the top of a sand filter tower 54, and the bottom of the sand filter tower is communicated with a catalytic gasoline pipeline 55.
The utility model discloses a catalytic slurry oil treatment facility's technology configuration is: the temperature of the oil slurry in the oil slurry catalysis section is 250 ℃ after passing through an oil slurry steam generator, the oil slurry is not thrown out of a device after entering an oil slurry cooling water tank, the hot feed is directly fed into a pressure reduction tower bottom of an oil slurry distillation section for re-refining, the wax oil in the oil slurry is separated out and enters the pressure reduction wax oil as a catalytic raw material through pressure reduction fractionation of a pressure reduction tower, and the residual condensed ring aromatic hydrocarbon after distillation enters the asphalt, so that the extensibility of the asphalt can be improved, and the product quality of the asphalt can be improved.
Claims (2)
1. A catalytic oil slurry treatment device is characterized by comprising an oil slurry catalysis section and an oil slurry distillation section,
the oil slurry raw material tank of the tank area of the oil slurry catalysis working section is communicated with a downstream oil slurry heat exchanger, the downstream of the oil slurry heat exchanger is communicated to a fractionating tower, a primary heat exchange cooler and a secondary cooling water tank are arranged on a bottom fraction pipeline of the fractionating tower, and the downstream tail end of the bottom fraction pipeline of the fractionating tower is connected with an oil slurry external throwing pipeline;
an oil slurry hot material pipeline is divided between a primary heat exchange cooler and a secondary cooling water tank of a fractionating tower bottom fraction pipeline of an oil slurry catalysis section, and the downstream of the oil slurry hot material pipeline is connected to the tower body feeding of a reduced pressure distillation tower of the oil slurry distillation section;
the structure of the oil slurry distillation section is as follows:
the downstream of a crude oil pipeline of the tank area is sequentially communicated with a crude oil primary heat exchanger, a crude oil electric desalting dehydrator and a crude oil secondary heat exchanger in series, the downstream of the crude oil pipeline of the crude oil secondary heat exchanger is communicated with the feeding of a flash tower body,
the top pipeline of the flash tower is communicated with the top of the atmospheric distillation tower for feeding;
a flash tower bottom pipeline heating furnace is arranged on the flash tower bottom pipeline, and the flash tower bottom pipeline heated by the flash tower bottom pipeline heating furnace is communicated to the atmospheric distillation tower body for feeding;
the top of the atmospheric distillation tower is connected with a straight-run gasoline distillation pipeline;
the tower body at the top of the atmospheric distillation tower is connected with an atmospheric diesel distillation pipeline;
the middle part of the tower body of the atmospheric distillation tower is connected with a normal three-line oil distillation pipeline;
a bottom distillation pipeline heating furnace of the atmospheric distillation tower is arranged on the bottom distillation pipeline of the atmospheric distillation tower, and a bottom distillation pipeline of the atmospheric distillation tower of the bottom distillation pipeline heating furnace of the atmospheric distillation tower is communicated to the tower body of the reduced pressure distillation tower for feeding in the downstream direction;
the upper part of the tower body of the reduced pressure distillation tower is respectively communicated with a first-line oil-reducing distillation pipeline, a second-line oil-reducing distillation pipeline and a third-line oil-reducing distillation pipeline which are sequentially arranged on the tower body of the distillation tower from top to bottom and are respectively distilled;
the three of the normal three-line oil distillation pipeline, the reduced two-line oil distillation pipeline and the reduced three-line oil distillation pipeline are connected with a wax oil output pipeline in a converging manner;
the bottom distillation pipeline of the reduced pressure distillation tower is provided with a pipeline heat exchanger and a pipeline cooler, and the tail end of the bottom distillation pipeline of the reduced pressure distillation tower is connected with an asphalt output pipeline.
2. A catalytic slurry oil treatment plant according to claim 1, characterized in that: an oil slurry return pipeline is divided between a primary heat exchange cooler and a secondary cooling water tank of a fractionating tower bottom fraction pipeline of the oil slurry catalysis section in the oil slurry catalysis section,
the oil slurry return pipeline is communicated with the tower body reflux feeding at the tower bottom of the fractionating tower in a reflux manner;
the middle upper part of the fractionating tower body is communicated with a stripping tower through a distillation pipeline, and the bottom of the stripping tower is communicated with a catalytic diesel oil pipeline;
the downstream of the overhead distillation pipeline of the fractionating tower is communicated with the oil-gas separation tank and the secondary oil-gas separation tank;
oil components at the bottoms of the oil-gas separation tank and the secondary oil-gas separation tank are converged and communicated to a tower body of an absorption tower, the bottom of the absorption tower is connected with a ventilation press oil-gas separator, the downstream of the ventilation press oil-gas separator is communicated to a tower body of an analysis tower, and the bottom of the analysis tower is communicated to a tower body of a stabilizing tower;
the output pipeline at the top of the stabilizing tower is sequentially connected with an alkaline washing tank, a water washing tank and a desulfurizing tower in series, and the desulfurizing tower outputs a liquefied gas pipeline;
the bottom pipeline of the stabilizing tower is sequentially connected with a gasoline alkaline washing tank, a gasoline oxidation tower and a gasoline settling tank in series, the downstream of the gasoline settling tank is communicated to the top of the sand filter tower, and the bottom of the sand filter tower is communicated with a catalytic gasoline pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120039728.0U CN214400377U (en) | 2021-01-07 | 2021-01-07 | Catalytic slurry oil treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120039728.0U CN214400377U (en) | 2021-01-07 | 2021-01-07 | Catalytic slurry oil treatment equipment |
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| Publication Number | Publication Date |
|---|---|
| CN214400377U true CN214400377U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120039728.0U Active CN214400377U (en) | 2021-01-07 | 2021-01-07 | Catalytic slurry oil treatment equipment |
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| CN (1) | CN214400377U (en) |
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2021
- 2021-01-07 CN CN202120039728.0U patent/CN214400377U/en active Active
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Address after: 261061 middle section of Fushou East Street, high tech Industrial Development Zone, Weifang City, Shandong Province Patentee after: Hongrun Petrochemical (Weifang) Co.,Ltd. Address before: 261061 middle section of Fushou East Street, Weifang High tech Industrial Development Zone, Weifang City, Shandong Province Patentee before: SINOCHEM HONGRUN PETROCHEMICAL CO.,LTD. |