CN212673518U - Heat conduction oil heating system for needle coke production line - Google Patents
Heat conduction oil heating system for needle coke production line Download PDFInfo
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- CN212673518U CN212673518U CN202021604731.4U CN202021604731U CN212673518U CN 212673518 U CN212673518 U CN 212673518U CN 202021604731 U CN202021604731 U CN 202021604731U CN 212673518 U CN212673518 U CN 212673518U
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Abstract
The utility model relates to a production technology technical field of needle coke, concretely relates to needle coke production line conduction oil heating system. Seed needle coke production line conduction oil heating system, including the heat conduction oil furnace, the heat conduction oil furnace is including advancing oil pipe and going out oil pipe, advance oil pipe and go out oil pipe and be equipped with oil pump I, advance oil pipe and go out oil pipe formation heat conduction oil pipe line, heat conduction oil pipe line runs through the production line. The utility model discloses utilize behind conduction oil and the raw materials heat transfer for the raw materials intensification, heat the intensification to each tower bottom, reach wax oil, heavy aromatics dealdehyded purpose, effective rational utilization waste heat.
Description
Technical Field
The utility model relates to a production technology technical field of needle coke, concretely relates to needle coke production line conduction oil heating system.
Background
Needle coke is a high-quality carbon species and is a main raw material for producing high-power and ultrahigh-power graphite electrodes. Because the needle coke has good graphitization performance, the high-power and ultrahigh-power electrode produced by the needle coke has excellent conductivity, thermal shock resistance and oxidation resistance. Compared with the common electrode, the ultra-high power electrode made of needle coke used by the electric furnace can shorten the smelting time by 30-50%, save electricity by more than 10-20%, increase the production capacity by 1.3 times, and have very obvious economic benefit.
Heat conduction oil is needed in the production process of the needle coke, the original heat conduction oil serves as a heat source for raw material treatment heat exchange, and heat loss of the heat conduction oil is serious after heat exchange at a single temperature.
Disclosure of Invention
In order to satisfy the actual demand under the current background art, the utility model aims at providing a needle coke production line conduction oil heating system, it utilizes behind conduction oil and the raw materials heat transfer for the raw materials intensification, heat the intensification at the bottom of each tower, reach wax oil, heavy aromatics dealdehyding purpose, effective rational utilization waste heat.
For realizing above-mentioned purpose, kind needle coke production line conduction oil heating system, including the heat conduction oil furnace, the heat conduction oil furnace is including advancing oil pipe and going out oil pipe, advance oil pipe and go out oil pipe and be equipped with oil pump I, advance oil pipe and go out oil pipe and form heat conduction oil pipe line, heat conduction oil pipe line runs through the production line.
As a preferable scheme, the heat conducting oil pipeline sequentially passes through a flash tower, a heat exchanger, a # distillation tower and a # distillation tower, wherein a tower top discharge port is formed in the top of the # distillation tower, the tower top discharge port is connected with the heat exchanger, and a tower top pump is arranged between the tower top discharge port and the heat exchanger; the heat exchanger is also connected with the flash tower, and the raw material feeding line is connected with the heat exchanger.
As a preferred scheme, one path of the heat conduction oil pipeline enters a heating water tank, the heating water tank is connected with a water pump, and the water pump is connected with a heating system.
The utility model discloses beneficial effect:
the utility model discloses mainly with through utilizing behind conduction oil and the raw materials heat transfer for the raw materials intensification, heat the intensification to each tower bottom, reach wax oil, heavy aromatics dealdehyded purpose, effective rational utilization waste heat can also utilize thereby industry comdenstion water waste heat and heating water heat transfer make the heating water temperature rise, send heating to the heating system by the pump with heating water again and heat, very big saving the resource, carried out recycle again to the comdenstion water heat.
Drawings
FIG. 1: the utility model has a schematic structure;
wherein, 1, a heat conducting oil furnace; 2. an oil inlet pipe; 3. an oil outlet pipe; 4. an oil pump I; 5. a # 1 distillation column; 6. a # 2 distillation column; 7. a flash column; 8. a heat exchanger; 9. a feedstock feed line; 10. a heating water tank; 11. a water pump; 12. provided is a heating system.
Detailed Description
Example 1:
referring to the specification drawings, a needle coke production line conduction oil heating system, including heat conduction oil furnace 1, heat conduction oil furnace 1 is including advancing oil pipe 2 and going out oil pipe 3, advance oil pipe 2 and go out the oil pipe 3 and be equipped with oil pump I4, advance oil pipe 2 and go out oil pipe 3 and form heat conduction oil pipe line, heat conduction oil pipe line runs through the production line.
As a preferable scheme, the heat conducting oil pipeline sequentially passes through a flash tower 7, a heat exchanger 8, a 2# distillation tower 6 and a 1# distillation tower 5, a tower top discharge port is formed in the top of the 2# distillation tower 4, the tower top discharge port is connected with the heat exchanger 8, and a tower top pump is arranged between the tower top discharge port and the heat exchanger 8; the heat exchanger 8 is also connected with the flash tower 7, and the raw material feeding line 9 is connected with the heat exchanger 8.
As a preferable scheme, one path of the heat conduction oil pipeline enters a heating water tank 10, the heating water tank 10 is connected with a water pump 11, and the water pump is connected with a heating system 12.
Because former conduction oil effect provides the heat source for the raw materials processing heat transfer, it is serious to cause conduction oil calorific loss after the single temperature heat transfer, the utility model discloses mainly with through utilizing behind conduction oil and the raw materials heat transfer for the raw materials intensification, heat the intensification at the bottom of each tower, reach the wax oil, heavy aromatics dealdehydes the purpose, effective rational utilization waste heat, thereby can also utilize industry comdenstion water waste heat and heating water heat transfer to make the heating water temperature rise, send the heating water to the heating system by the pump again and heat, very big saving the resource, carried out recycle again to the comdenstion water heat.
After adjustment, the temperature of the heat-conducting oil is reasonably reduced, the heat-conducting oil can reach the standard after exchanging heat with the raw material, and the fuel gas can be saved by 30 percent.
Claims (3)
1. The utility model provides a needle coke production line conduction oil heating system, its characterized in that, includes heat conduction oil furnace (1), heat conduction oil furnace (1) is including advancing oil pipe (2) and going out oil pipe (3), it is equipped with oil pump I (4) on oil pipe (2) and going out oil pipe (3) to advance, advance oil pipe (2) and go out oil pipe (3) and form heat conduction oil pipe line, heat conduction oil pipe line runs through the production line.
2. The needle coke production line heat transfer oil heating system of claim 1, wherein the heat transfer oil line sequentially passes through a flash tower (7), a heat exchanger (8), a 2# distillation tower (6) and a 1# distillation tower (5), a tower top discharge port is arranged at the top of the 2# distillation tower (6), the tower top discharge port is connected with the heat exchanger (8), and a tower top pump is arranged between the tower top discharge port and the heat exchanger (8); the heat exchanger (8) is also connected with the flash tower (7), and the raw material feeding line (9) is connected with the heat exchanger (8).
3. The needle coke production line heat transfer oil heating system of claim 1, wherein one path of the heat transfer oil pipeline enters a heating water tank (10), the heating water tank (10) is connected with a water pump (11), and the water pump is connected with a heating system (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021604731.4U CN212673518U (en) | 2020-08-05 | 2020-08-05 | Heat conduction oil heating system for needle coke production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021604731.4U CN212673518U (en) | 2020-08-05 | 2020-08-05 | Heat conduction oil heating system for needle coke production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212673518U true CN212673518U (en) | 2021-03-09 |
Family
ID=74820368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021604731.4U Active CN212673518U (en) | 2020-08-05 | 2020-08-05 | Heat conduction oil heating system for needle coke production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212673518U (en) |
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2020
- 2020-08-05 CN CN202021604731.4U patent/CN212673518U/en active Active
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