CN219579931U - Oil phase device is retrieved in dehydrogenation fluid reservoir drainage - Google Patents
Oil phase device is retrieved in dehydrogenation fluid reservoir drainage Download PDFInfo
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- CN219579931U CN219579931U CN202320688863.7U CN202320688863U CN219579931U CN 219579931 U CN219579931 U CN 219579931U CN 202320688863 U CN202320688863 U CN 202320688863U CN 219579931 U CN219579931 U CN 219579931U
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Abstract
The utility model relates to the technical field of drainage process equipment of a dehydrogenation liquid tank, in particular to a drainage oil-phase recovery device of the dehydrogenation liquid tank, which comprises a storage tank and is characterized in that an oil-phase pipeline is arranged at an outlet at one side of the lower end of the storage tank, a drainage pipeline I is arranged at an outlet at the other side of the lower end of the storage tank, the oil-phase pipeline is connected with an oil pump, the drainage pipeline I is connected with a separation tank, a collecting oil tank is arranged at the top of the separation tank, a liquid level meter is arranged at the collecting oil tank, and the collecting oil tank is connected with an inlet at the top end of the storage tank through a balance pipeline; the bottom of the separating tank is provided with a second drainage pipeline, and the separating tank is connected with a water treatment system through the second drainage pipeline. The utility model can effectively separate the water phase and a small amount of oil phase in the storage tank again, namely, the water phase enters the water treatment system, and the oil phase returns to the storage tank through buoyancy, so that the problems of oil in water and environmental pollution are avoided.
Description
Technical Field
The utility model relates to the technical field of drainage process equipment of a dehydrogenation liquid tank, in particular to a device for recycling oil phase in drainage of the dehydrogenation liquid tank.
Background
At present, styrene is an important basic organic chemical raw material which is mainly used for producing polystyrene resin PS, styrene-acrylonitrile copolymer SAN resin and other novel materials, and is an important raw material in the chemical industry.
The dehydrogenation liquid oil-water separation is involved in the styrene production process, and the drainage of the dehydrogenation liquid tank becomes a great problem. Although the dehydrogenation liquid tank is provided with a drainage system, the system achieves the purpose of separation by standing materials and layering oil and water, and the drainage process is extremely easy to carry oil because of the absence of a liquid level meter for measuring the water level. Therefore, a drainage system of a dehydrogenation liquid tank is needed, and water and oil can be effectively separated again, so that the sewage treatment cost can be reduced, the pollution to the environment can be reduced, and the oil-water separation efficiency is improved.
Disclosure of Invention
The utility model aims to solve the problems and provides a device for recycling oil phase from drainage of a dehydrogenation liquid tank.
The utility model is realized by the following technical scheme: the device is characterized in that an oil phase pipeline is arranged at an outlet at one side of the lower end of the storage tank, a first drainage pipeline is arranged at an outlet at the other side of the lower end of the storage tank, the oil phase pipeline is connected with an oil pump, the first drainage pipeline is connected with a separation tank, a collecting oil tank is arranged at the top of the separation tank, a liquid level meter is arranged at the collecting oil tank, and the collecting oil tank is connected with an inlet at the top end of the storage tank through a balance pipeline; the bottom of the separating tank is provided with a second drainage pipeline, and the separating tank is connected with a water treatment system through the second drainage pipeline.
Preferably, the first drainage pipeline is provided with a first gate valve, the second drainage pipeline is provided with a second gate valve, and the rear end of the second gate valve is provided with a viewing mirror.
Preferably, the liquid level gauge is a glass plate liquid level gauge.
The beneficial effects of the utility model are as follows: the utility model can effectively separate the water phase and a small amount of oil phase in the storage tank again, namely, the water phase enters the water treatment system, and the oil phase returns to the storage tank through buoyancy, so that the problems of oil in water and environmental pollution are avoided.
The utility model also has the advantages of reducing the sewage treatment cost and improving the oil-water separation efficiency.
Drawings
FIG. 1 is a schematic view of the structural process of the present utility model.
In the drawing, a storage tank 1, an oil phase pipeline 2, a gate valve 3, a drain pipeline 4, a separation tank 5, a liquid level meter 6, a drain pipeline 7, a gate valve 8, a sight glass 9 and a balance line 10 are arranged.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, the technical solutions of the present utility model will be further described below with reference to examples.
As shown in figure 1, the drainage oil-phase recovery device comprises a storage tank 1, wherein an oil-phase pipeline 2 is arranged at an outlet at one side of the lower end of the storage tank 1, the oil-phase pipeline 2 is connected with an oil pump, a drainage pipeline I4 is arranged at an outlet at the other side of the storage tank, a gate valve I3 is arranged on the drainage pipeline I4, the gate valve I3 is used for controlling water phase and a small amount of oil phase in the storage tank 1 to enter a separation tank 5, the drainage pipeline I4 is connected with the separation tank 5, a collecting oil tank is arranged at the top of the separation tank 5 and used for separating oil and water again, namely the drainage pipeline I4 is connected with the separation tank 5 through the collecting oil tank, a liquid level meter 6 used for observing liquid level is arranged at the collecting oil tank, the liquid level meter 6 adopts a glass plate liquid level meter 6, and the collecting oil tank is connected with the top inlet of the storage tank 1 through a balance pipeline; the bottom of the separation tank 5 is provided with a second drainage pipeline 7, the separation tank 5 is connected with a water treatment system through the second drainage pipeline 7, a second gate valve 8 is arranged on the second drainage pipeline 7, the second gate valve 8 is used for controlling water phase in the separation tank 5 to enter the water treatment system, and a viewing mirror 9 is arranged at the rear end of the second gate valve 8.
In order to facilitate installation and disassembly, the first drainage pipeline 4 is connected with the top of the oil collecting bag of the separation tank 5 by using a flange, and the bottom of the separation tank 5 is connected with the drainage pipeline by using the flange.
The working flow is as follows: when water is required to be drained from the storage tank 1, checking and confirming that a second gate valve 8 on a second drain line 7 is closed, throwing a liquid level meter 6, opening a first gate valve 3, enabling water phase in the storage tank 1 to enter the separation tank 5 first, checking whether a flange joint of a first drain line 4 and a top oil collecting bag of the separation tank 5 is leaked or not, checking whether a flange joint of the bottom of the separation tank 5 and the second drain line 7 is leaked or not, observing the liquid level meter 6 of the separation tank 5, and when the liquid level meter 6 reaches a certain liquid level and an oil phase is observed or not, if the oil phase exists in the process, returning the water to the storage tank 1 through a balance pipeline through buoyancy of water, after confirming that the liquid level meter 6 does not have the oil phase, closing the first gate valve 3, opening the second gate valve 8 on the second drain line 7, enabling the water phase to drain the water treatment system, closing the second gate valve 8 when the sight glass 9 does not have liquid, and ending drainage.
The utility model avoids environmental pollution caused by the oil phase entering the water phase discharge system, reduces the sewage treatment cost and improves the oil-water separation efficiency.
The technical features are known to those skilled in the art except the technical features described in the specification.
Claims (3)
1. The device for draining and recycling the oil phase of the dehydrogenation liquid tank comprises a storage tank (1) and is characterized in that an oil phase pipeline (2) is arranged at an outlet at one side of the lower end of the storage tank (1), a drainage pipeline I (4) is arranged at an outlet at the other side of the storage tank, the oil phase pipeline (2) is connected with an oil pump, the drainage pipeline I (4) is connected with a separation tank (5), a collecting oil tank is arranged at the top of the separation tank (5), a liquid level meter (6) is arranged at the collecting oil tank, and the collecting oil tank is connected with an inlet at the top end of the storage tank (1) through a balance pipeline; the bottom of the separation tank (5) is provided with a second drainage pipeline (7), and the separation tank (5) is connected with a water treatment system through the second drainage pipeline (7).
2. The device for recycling oil phase from drainage of a dehydrogenation liquid tank according to claim 1 is characterized in that a first gate valve (3) is arranged on the first drainage pipeline (4), a second gate valve (8) is arranged on the second drainage pipeline (7), and a viewing mirror (9) is arranged at the rear end of the second gate valve (8).
3. The device for recycling oil phase from drainage of a dehydrogenation liquid tank according to claim 1 is characterized in that the liquid level meter (6) is a glass plate liquid level meter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320688863.7U CN219579931U (en) | 2023-03-31 | 2023-03-31 | Oil phase device is retrieved in dehydrogenation fluid reservoir drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320688863.7U CN219579931U (en) | 2023-03-31 | 2023-03-31 | Oil phase device is retrieved in dehydrogenation fluid reservoir drainage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219579931U true CN219579931U (en) | 2023-08-25 |
Family
ID=87694670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320688863.7U Active CN219579931U (en) | 2023-03-31 | 2023-03-31 | Oil phase device is retrieved in dehydrogenation fluid reservoir drainage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219579931U (en) |
-
2023
- 2023-03-31 CN CN202320688863.7U patent/CN219579931U/en active Active
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