CN219342073U - Diesel oil regasification device - Google Patents
Diesel oil regasification device Download PDFInfo
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- CN219342073U CN219342073U CN202320936753.8U CN202320936753U CN219342073U CN 219342073 U CN219342073 U CN 219342073U CN 202320936753 U CN202320936753 U CN 202320936753U CN 219342073 U CN219342073 U CN 219342073U
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- reboiler
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- diesel oil
- tail oil
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Abstract
The utility model relates to the technical field of diesel oil regasification, in particular to a diesel oil regasification device which comprises a reboiler, a rectifying tower and a stripping tower, wherein the reboiler is provided with a diesel oil reboiler inlet, a diesel oil reboiler outlet, a high Wen Jingzhi tail oil inlet, a high Wen Jingzhi tail oil outlet and a diesel oil heat exchanger tube bundle, and the top of the reboiler is also provided with a gas phase volatilizing line connected with the top of the stripping tower. The utility model has the advantages that: the shell side of the reboiler is used for removing diesel oil components, the tube side is used for removing Wen Jingzhi tail oil, the separated light components are used for removing a gas phase volatilization line at the top of the reboiler, the temperature of the inlet reboiler of the diesel oil components is about 250 ℃, the temperature of the high Wen Jingzhi tail oil is about 330 ℃, the two mediums are in reverse contact for carrying out mass transfer and heat transfer, the high Wen Jingzhi tail oil is used for heating the diesel oil components, and the separated light gas components flow from the gas phase volatilization line at the top of the reboiler to the gas phase return line at the top of the stripping tower and finally flow to the top of the rectifying tower for carrying out rectification separation again.
Description
Technical Field
The utility model relates to the technical field of diesel oil regasification, in particular to a diesel oil regasification device.
Background
The utility model provides a diesel oil re-vaporization device, which is characterized in that diesel oil components generated in a rectifying tower in the chemical oil refining industry are extracted through corresponding tray distillation outlets and enter a stripping tower to separate oil products through filling materials, and then the separation and purification are carried out by matching with auxiliary stripping evaporation of high-temperature superheated steam, so that qualified diesel oil is obtained, but light components in the diesel oil components can not be well evaporated under the conditions of ageing and damage of the filling materials, poor steam stripping effect or interruption, the quality of the refined diesel oil can not be very poor, and the planned required products (for example, the product parameters of the diesel oil such as distillation range, flash point, condensation point, cold filtration point, cetane number and the like can not reach the standard), and in order to solve the problems that the quality of the products is unqualified and is increased to be shut down under the conditions of ageing and damage of the filling materials, poor steam effect or interruption.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
The utility model aims to overcome the defects of the prior art, solve the problem that the light components in the diesel components mentioned in the background art cannot be well evaporated, so that the quality of the refined diesel is poor, and provide a diesel regasification device, wherein a reboiler shell side is added to remove diesel, a tube side is added to remove Wen Jingzhi tail oil, so as to reheat the diesel components for vaporization, and the residual light components in the diesel components are separated to obtain qualified diesel products.
The aim of the utility model is achieved by the following technical scheme: the diesel oil regasification device comprises a reboiler, a rectifying tower and a stripping tower, wherein the reboiler is provided with a diesel oil reboiler inlet, a diesel oil reboiler outlet, a high Wen Jingzhi tail oil inlet, a high Wen Jingzhi tail oil outlet and a diesel oil heat exchanger tube bundle, the top of the reboiler is also provided with a gas phase volatilizing line connected with the top of the stripping tower, the top of the stripping tower is provided with a gas phase return line connected with the rectifying tower, and the gas phase volatilizing line is communicated with the gas phase return line.
Preferably, the shell side of the reboiler is depleted of diesel components, which are passed through the inlet of the diesel reboiler to the reboiler and out the outlet of the diesel reboiler.
Preferably, the reboiler tube side is fed with tall Wen Jingzhi tail oil, tall Wen Jingzhi tail oil from a tall Wen Jingzhi tail oil inlet to the reboiler, and out a tall Wen Jingzhi tail oil outlet.
Preferably, the diesel component is counter to the direction of travel of the tall Wen Jingzhi tail oil.
Preferably, the diesel reboiler inlet, the diesel reboiler outlet, the high Wen Jingzhi tail oil inlet and the high Wen Jingzhi tail oil outlet are all provided with control valves.
Preferably, the gas phase volatilizing line and the gas phase returning line are provided with control valves.
Compared with the prior art, the utility model has the following advantages:
the diesel oil regasification device comprises a reboiler, a gas phase volatilization line, a gas phase rectification column and a gas phase rectification column, wherein the shell side of the reboiler is used for removing diesel oil components, the tube side is used for removing high Wen Jingzhi tail oil, separated light components are used for removing gas phase volatilization lines at the top of the reboiler, the temperature of the diesel oil components entering the reboiler is about 250 ℃, the temperature of the high Wen Jingzhi tail oil is about 330 ℃, two mediums are in reverse contact for carrying out mass transfer and heat transfer, the high Wen Jingzhi tail oil is used for heating the diesel oil components, and the separated light gas components flow from the gas phase volatilization line at the top of the reboiler to the gas phase return line at the top of the stripping column and finally flow to the top of the rectification column for carrying out rectification separation again; the high Wen Jingzhi tail oil and the diesel oil component are subjected to heat exchange to heat, and the high-temperature superheated steam is replaced to separate the light components in the diesel oil component so as to obtain qualified diesel oil.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic diagram of the structure of the prior art.
In the figure: 1-reboiler, 2-rectifying tower, 3-stripper, 4-diesel reboiler inlet, 5-diesel reboiler outlet, 6-high Wen Jingzhi tail oil inlet, 7-high Wen Jingzhi tail oil outlet, 8-diesel heat exchanger tube bundle, 9-gas phase volatilizing line, 10-gas phase return line.
Description of the embodiments
Additional aspects and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
The diesel oil regasification device comprises a reboiler 1, a rectifying tower 2 and a stripping tower 3, wherein the reboiler 1 is provided with a diesel oil reboiler inlet 4, a diesel oil reboiler outlet 5, a high Wen Jingzhi tail oil inlet 6, a high Wen Jingzhi tail oil outlet 7 and a diesel oil heat exchanger tube bundle 8, the top of the reboiler 1 is also provided with a gas phase volatilizing line 9 connected with the top of the stripping tower 3, the top of the stripping tower 3 is provided with a gas phase returning line 10 connected with the rectifying tower 2, and the gas phase volatilizing line 9 is communicated with the gas phase returning line 10.
The shell side of the reboiler is used for removing diesel oil components, the tube side is used for removing Wen Jingzhi tail oil, the separated light components are used for removing a gas phase volatilization line at the top of the reboiler, the temperature of the inlet reboiler of the diesel oil components is about 250 ℃, the temperature of the high Wen Jingzhi tail oil is about 330 ℃, the two mediums are in reverse contact for carrying out mass transfer and heat transfer, the high Wen Jingzhi tail oil is used for heating the diesel oil components, the separated light gas components flow from the gas phase volatilization line at the top of the reboiler to the gas phase return line at the top of the stripping tower, and finally flow to the top of the rectifying tower for carrying out rectification separation again; the high Wen Jingzhi tail oil and the diesel oil component are adopted to perform heat exchange for heating, high-temperature superheated steam is replaced for separating light components in the diesel oil component to obtain qualified diesel oil, and the device greatly improves the qualification rate of products through recycling of heat energy
The technical scheme of the utility model is further explained below with reference to the accompanying drawings:
as shown in fig. 1, the diesel regasification device comprises a reboiler 1, a rectifying tower 2 and a stripping tower 3, wherein the reboiler 1 is provided with a diesel reboiler inlet 4, a diesel reboiler outlet 5, a high Wen Jingzhi tail oil inlet 6, a high Wen Jingzhi tail oil outlet 7 and a diesel heat exchanger tube bundle 8, the top of the reboiler 1 is also provided with a gas phase volatilizing line 9 connected with the top of the stripping tower 3, the top of the stripping tower 3 is provided with a gas phase return line 10 connected with the rectifying tower 2, the gas phase volatilizing line 9 is communicated with the gas phase return line 10, the shell side of the reboiler 1 takes away diesel components, the tube side takes away high Wen Jingzhi tail oil, the separated light components take away the gas phase volatilizing line 9 at the top of the reboiler 1, the temperature of the diesel components is about 250 ℃, the temperature of the high Wen Jingzhi tail oil is about 330 ℃, the two mediums are reversely contacted to heat the diesel components, the mass transfer and heat transfer high Wen Jingzhi tail oil give the diesel components, the separated light gas components flow from the gas phase volatilizing line 9 at the top of the reboiler and then flow to the final rectifying tower 2; the high Wen Jingzhi tail oil and the diesel oil component are subjected to heat exchange to heat, and the high-temperature superheated steam is replaced to separate the light components in the diesel oil component so as to obtain qualified diesel oil.
Specifically, the shell side of reboiler 1 removes diesel components, which flow from diesel reboiler 1 through diesel reboiler inlet 4 to reboiler 1 and out of diesel reboiler outlet 5, and the tube side of reboiler 1 removes high Wen Jingzhi tail oil, high Wen Jingzhi tail oil from high Wen Jingzhi tail oil inlet 6 to reboiler 1 and out of high Wen Jingzhi tail oil outlet 7.
Specifically, the diesel reboiler inlet 4, the diesel reboiler outlet 5, the high Wen Jingzhi tail oil inlet 6 and the high Wen Jingzhi tail oil outlet 7 are all provided with control valves, the gas phase volatilizing line 9 and the gas phase returning line 10 are provided with control valves, and the temperature, the flow rate and the liquid level of high-temperature refined tail oil and diesel components in the reboiler are controlled mainly by the control valves of the respective outlets.
The utility model adopts the reboiler form to heat and separate, the working form is to increase the shell side of the reboiler to remove diesel oil and the tube side to remove Wen Jingzhi tail oil to heat and gasify the diesel oil component again, and the residual light component in the diesel oil component is separated to obtain qualified diesel oil product.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The diesel oil regasification device comprises a reboiler (1), a rectifying tower (2) and a stripping tower (3), and is characterized in that: the reboiler (1) is equipped with diesel reboiler entry (4), diesel reboiler export (5), high Wen Jingzhi tail oil entry (6), high Wen Jingzhi tail oil export (7) and diesel heat exchanger tube bank (8), reboiler (1) top still is provided with gaseous phase volatilizer line (9) at connection stripper (3) top, stripper (3) top is equipped with gaseous phase return line (10) be connected with rectifying column (2), gaseous phase volatilizer line (9) and gaseous phase return line (10) intercommunication.
2. The diesel fuel regasification plant of claim 1 wherein: the shell side of the reboiler (1) is used for removing diesel oil components, and the diesel oil components flow to the reboiler (1) through a diesel oil reboiler inlet (4) and flow out of a diesel oil reboiler outlet (5).
3. The diesel fuel regasification plant of claim 2 wherein: the tube side of the reboiler (1) runs away high Wen Jingzhi tail oil, high Wen Jingzhi tail oil flows from high Wen Jingzhi tail oil inlet (6) to the reboiler (1) and out of high Wen Jingzhi tail oil outlet (7).
4. A diesel fuel regasification plant as claimed in claim 3, characterized in that: the diesel oil component is opposite to the advancing direction of the tail oil with the height of Wen Jingzhi.
5. The diesel fuel regasification plant of claim 1 wherein: the diesel reboiler inlet (4), the diesel reboiler outlet (5), the high Wen Jingzhi tail oil inlet (6) and the high Wen Jingzhi tail oil outlet (7) are respectively provided with a control valve.
6. The diesel fuel regasification plant of claim 1 wherein: the gas phase volatilizing line (9) and the gas phase returning line (10) are provided with control valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320936753.8U CN219342073U (en) | 2023-04-24 | 2023-04-24 | Diesel oil regasification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320936753.8U CN219342073U (en) | 2023-04-24 | 2023-04-24 | Diesel oil regasification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219342073U true CN219342073U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320936753.8U Active CN219342073U (en) | 2023-04-24 | 2023-04-24 | Diesel oil regasification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219342073U (en) |
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2023
- 2023-04-24 CN CN202320936753.8U patent/CN219342073U/en active Active
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