CN220989709U - Heat balance device of cycloalkyl separation device - Google Patents
Heat balance device of cycloalkyl separation device Download PDFInfo
- Publication number
- CN220989709U CN220989709U CN202322024660.0U CN202322024660U CN220989709U CN 220989709 U CN220989709 U CN 220989709U CN 202322024660 U CN202322024660 U CN 202322024660U CN 220989709 U CN220989709 U CN 220989709U
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- Prior art keywords
- pipeline
- heat balance
- outlet
- gate valve
- cycloalkyl
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- 125000000753 cycloalkyl group Chemical group 0.000 title claims abstract description 15
- 238000000926 separation method Methods 0.000 title claims abstract description 14
- 238000010992 reflux Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000010865 sewage Substances 0.000 claims description 3
- 238000005194 fractionation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Separation By Low-Temperature Treatments (AREA)
Abstract
A heat balance device of a cycloalkyl separation device is characterized in that a first heat balance pipeline is arranged at the top outlet of each fractionating tower of the cycloalkyl separation device and at the inlet pipeline of each air cooler, a second heat balance pipeline is additionally arranged on the outlet pipeline of each air cooler, the first heat balance pipeline and the second heat balance pipeline are converged and the empty pipeline of a reflux tank, and a third gate valve is arranged at the converged position of the first heat balance pipeline and the second heat balance pipeline. The device is simple, low in cost and high in efficiency, and meets the safety operation requirement of equipment.
Description
Technical Field
The utility model belongs to the technical field of petrochemical industry, and particularly relates to a heat balance device capable of realizing automatic control of tower pressure of a cycloalkyl separation device.
Background
At present, the ejection outlets of a D40 fractionating tower, a D60 fractionating tower and a D70 fractionating tower in the cycloalkyl separating device are directly communicated with inlets of corresponding air coolers, outlets of the air coolers are communicated with water coolers, outlets of the water coolers are correspondingly communicated with a D40 fractionating tower reflux tank, a D70 fractionating tower reflux tank and a D80 fractionating tower reflux tank, each tower pressure is found to be unable to be effectively controlled in the test process, liquid phase inlet pipelines of the D40 fractionating tower reflux tank, the D70 fractionating tower reflux tank and the D80 fractionating tower reflux tank are found to be lifted into the tank bottoms after the test, liquid seals are formed when liquid levels exist in the pipes, balance control of each fractionating tower and the reflux tank cannot be realized, and negative pressure damage equipment and instruments are formed in the towers in severe cases.
Disclosure of Invention
The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing the heat balance device of the cycloalkyl separation device, which has reasonable design, simple structure and effectively and automatically controlled each tower pressure energy.
The technical scheme adopted for solving the technical problems is as follows: a heat balance device of a cycloalkyl separation device is characterized in that a first heat balance pipeline is arranged at the top outlet of each fractionating tower and the inlet pipeline of each air cooler of the cycloalkyl separation device, a second heat balance pipeline is additionally arranged on the outlet pipeline of each air cooler, and the first heat balance pipeline and the second heat balance pipeline are converged and the reflux tank is vented.
The first heat balance line of the present utility model consists of a DN50 pipe and a first gate valve mounted on the pipe.
The second heat balance line of the present utility model consists of a DN50 pipe and a second gate valve mounted on the pipe.
A third gate valve is arranged at the convergence position of the first heat balance pipeline and the second heat balance pipeline.
The utility model relates to a fractionation tower, which is characterized in that a first heat balance pipeline is arranged at the top outlet of a fractionation tower and an inlet pipeline of an air cooler, the air cooler outlet is communicated with the inlet of the air cooler, a second heat balance pipeline is arranged on a pipeline for communicating the air cooler and the water cooler, the outlet of the water cooler is communicated with a reflux tank, the reflux tank is communicated with a reflux pump, one outlet of the reflux tank is communicated with a blow-down pipeline, the other outlet of the reflux tank is communicated with a sewage pipeline through a fifth gate valve arranged on the pipeline, one outlet of the reflux pump is communicated with a product line through a sixth gate valve arranged on the pipeline, and the other outlet of the reflux pump is communicated with the fractionation tower through a fourth gate valve arranged on the pipeline.
Because the utility model adopts the structure that DN50 pipelines and the first gate valve are additionally arranged at the pipelines of the D40 fractionating tower, the D60 fractionating tower and the tower top outlet of the D70 fractionating tower and the air cooler inlet, DN50 pipelines and the second gate valve are additionally arranged at the pipeline of the air cooler outlet, and the additionally arranged pipelines are converged to the vent pipeline of the corresponding reflux tank. The device has the advantages of simple structure, low cost, high efficiency, capability of meeting the safety operation requirement of equipment, improving the fractionation effect, improving the product quality, increasing the product yield and the like.
Drawings
Fig. 1 is a schematic diagram of the structure of an embodiment of the present utility model.
In the figure: 1. a fractionating tower; 2. an air cooler; 3. a first gate valve; 4. a water cooler; 5. a third gate valve; 6. a reflux drum; 7. a fifth gate valve; 8. a sixth gate valve; 9. a reflux pump; 10. a second gate valve; 11. and a fourth gate valve.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, but the present utility model is not limited to these examples.
Example 1
In fig. 1, a first heat balance pipeline is arranged at the top outlet of each fractionating tower 1 and the inlet pipeline of each air cooler 2 of the cycloalkyl separation device, a second heat balance pipeline is additionally arranged on the outlet pipeline of each air cooler 2, and the first heat balance pipeline and the second heat balance pipeline are converged and the reflux tank 6 is vented. A third gate valve 5 is arranged at the convergence of the first heat balance line and the second heat balance line. Specifically, a first heat balance pipeline is arranged at the position of an outlet at the top of the fractionating tower 1 and an inlet pipeline of the air cooler 2, the outlet of the air cooler 2 is communicated with an inlet of the water cooler 4, a second heat balance pipeline is arranged on a pipeline for communicating the air cooler 2 with the water cooler 4, the outlet of the water cooler 4 is communicated with a reflux tank 6, the reflux tank 6 is communicated with a reflux pump 9, one outlet of the reflux tank 6 is communicated with a blow-down pipeline, the other outlet of the reflux tank is communicated with a sewage pipeline through a fifth gate valve 7 arranged on the pipeline, one outlet of the reflux pump 9 is communicated with a product line through a sixth gate valve 8 arranged on the pipeline, and the other outlet of the reflux pump 9 is communicated with the fractionating tower 1 through a fourth gate valve 11 arranged on the pipeline. Further, the first heat balance line consists of a DN50 pipe and a first gate valve 3 mounted on the pipe; the second heat balance line consists of a DN50 pipe and a second gate valve 10 mounted on the pipe. According to the utility model, the first heat balance pipeline and the second heat balance pipeline are additionally arranged, so that when the liquid phase pipeline of the reflux tank 6 is subjected to liquid seal, the pressure balance between the fractionating tower 1 and the reflux tank 6 can be effectively controlled, the formation of negative pressure in the fractionating tower 1 is prevented, and the safe operation of equipment and instruments is ensured.
Claims (4)
1. A cycloalkyl separation device heat balance device, characterized in that: a first heat balance pipeline is arranged at the top outlet of each fractionating tower (1) and the inlet pipeline of each air cooler (2) of the cycloalkyl separation device, the outlet of each air cooler (2) is communicated with the inlet of each water cooler (4), a second heat balance pipeline is arranged on the communication pipeline of each air cooler (2) and each water cooler (4), the first heat balance pipeline and the second heat balance pipeline are converged into an emptying pipeline of a reflux tank (6), the outlet of each water cooler (4) is communicated with the reflux tank (6), the reflux tank (6) is communicated with a reflux pump (9), one outlet of the reflux tank (6) is communicated with the emptying pipeline, the other outlet of the reflux pump (9) is communicated with a sewage pipeline through a fifth gate valve (7) arranged on the pipeline, one outlet of the reflux pump (9) is communicated with a product line through a sixth gate valve (8) arranged on the pipeline, and the other outlet of the reflux pump is communicated with the fractionating tower (1) through a fourth gate valve (11) arranged on the pipeline.
2. The cycloalkyl separation device heat balance of claim 1, wherein: the first heat balance pipeline consists of a DN50 pipeline and a first gate valve (3) arranged on the pipeline.
3. The cycloalkyl separation device heat balance of claim 1, wherein: the second heat balance pipeline consists of a DN50 pipeline and a second gate valve (10) arranged on the pipeline.
4. The cycloalkyl separation device heat balance of claim 1, wherein: and a third gate valve (5) is arranged at the convergence position of the first heat balance pipeline and the second heat balance pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322024660.0U CN220989709U (en) | 2023-07-31 | 2023-07-31 | Heat balance device of cycloalkyl separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322024660.0U CN220989709U (en) | 2023-07-31 | 2023-07-31 | Heat balance device of cycloalkyl separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220989709U true CN220989709U (en) | 2024-05-24 |
Family
ID=91119941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322024660.0U Active CN220989709U (en) | 2023-07-31 | 2023-07-31 | Heat balance device of cycloalkyl separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220989709U (en) |
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2023
- 2023-07-31 CN CN202322024660.0U patent/CN220989709U/en active Active
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