CN219783884U - Device for recovering wash oil - Google Patents
Device for recovering wash oil Download PDFInfo
- Publication number
- CN219783884U CN219783884U CN202321009118.1U CN202321009118U CN219783884U CN 219783884 U CN219783884 U CN 219783884U CN 202321009118 U CN202321009118 U CN 202321009118U CN 219783884 U CN219783884 U CN 219783884U
- Authority
- CN
- China
- Prior art keywords
- wash oil
- tank
- oil recovery
- pipeline
- recovery tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000011084 recovery Methods 0.000 claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000011521 glass Substances 0.000 claims description 5
- 239000012855 volatile organic compound Substances 0.000 claims description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- 238000005406 washing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model discloses a device for recovering wash oil, wherein a wash oil recovery pipeline is arranged at the top of a wash oil recovery tank, and a buffer tank is arranged on the wash oil recovery pipeline and used for preventing liquid from flowing back; the wash oil recovery tank is provided with a ball float valve which is connected with a compressed air pipeline, so that compressed air enters the wash oil recovery tank after the ball float valve is opened; the bottom of the wash oil recovery tank is provided with a bottom pipeline, and the other end of the bottom pipeline is connected with the wash oil tank so that liquid enters the wash oil tank; the buffer tank is arranged on the wash oil recovery pipeline, so that liquid splashing caused by that part of gas is poured back into the recovery pipeline when the float valve is opened can be prevented; the compressed air pipeline is provided with a ball float valve, and the purpose of automatic recovery can be achieved by setting the liquid level height of opening and closing a valve, so that manual operation is reduced; the balance pipe is arranged above the recovery tank, so that when the wash oil enters the wash oil tank, the original breather valve of the wash oil tank is utilized to maintain the pressure balance of the system, and the pressure rise and the gas top caused by the pressure rise of the wash oil recovery tank are avoided.
Description
Technical Field
The utility model belongs to the technical field of wash oil, and particularly relates to a wash oil recovery device.
Background
And a benzene washing process for purifying coke oven gas, wherein crude benzene is recovered in the cycle process of absorbing and resolving benzene in washing oil. In order to supplement the wash oil lost by recycling crude benzene, the system needs to be intermittently supplemented with wash oil from a new wash oil tank, and in the field operation, the loss of the wash oil caused by the dripping of a pump, the cleaning of a heat exchanger and the like is also large, so that the recovery of part of the loss is difficult.
Therefore, a device for recovering wash oil is required.
Disclosure of Invention
The utility model aims to provide a device for recovering wash oil.
The technical scheme adopted for solving the technical problems is as follows: the device for recovering the wash oil comprises a wash oil recovery tank, wherein a wash oil recovery pipeline is arranged at the top of the wash oil recovery tank, and a buffer tank is arranged on the wash oil recovery pipeline and used for preventing liquid from flowing back; the wash oil recovery tank is provided with a ball float valve which is connected with a compressed air pipeline, so that compressed air enters the wash oil recovery tank after the ball float valve is opened; the bottom of wash oil recovery jar is equipped with the bottom pipeline, and the other end and the wash oil groove of bottom pipeline are connected to make liquid get into the wash oil groove.
Specifically, install the balance pipe between bottom pipeline and the wash oil recovery jar, be equipped with the pneumatic valve of gas-closed between balance pipe and the compressed gas pipeline, when maintaining system pressure, reduce VOCs gas and get into.
Specifically, a check valve is further arranged between the buffer tank and the wash oil recovery tank.
Specifically, the wash oil recovery tank is provided with a glass plate liquid level meter for checking the liquid level.
The utility model has the following beneficial effects:
1) The buffer tank is arranged on the wash oil recovery pipeline, so that liquid splashing caused by that part of gas is poured back into the recovery pipeline when the float valve is opened can be prevented;
2) The compressed air pipeline is provided with a ball float valve, and the purpose of automatic recovery can be achieved by setting the liquid level height of opening and closing a valve, so that manual operation is reduced;
3) The wash oil recovery tank is provided with a glass plate liquid level meter, so that the liquid level can be checked during inspection;
4) The balance pipe is arranged above the recovery tank, so that when the wash oil enters the wash oil tank, the original breather valve of the wash oil tank is utilized to maintain the pressure balance of the system, and the pressure rise and the gas top caused by the pressure rise of the wash oil recovery tank are avoided.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1-a wash oil recovery tank; 2-a wash oil recovery pipeline; 3-a buffer tank; 4-floating ball valve; 5-compressed gas piping; 6-bottom pipe; 7-an oil washing tank; 8-balancing pipes; 9-an air-closed pneumatic valve; 10-check valve; 11-glass plate level gauge.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a device for recovering wash oil comprises a wash oil recovery tank 1, wherein a wash oil recovery pipeline 2 is arranged at the top of the wash oil recovery tank 1, and a buffer tank 3 is arranged on the wash oil recovery pipeline 2 and used for preventing liquid from flowing back; the wash oil recovery tank 1 is provided with a ball float valve 4, and the ball float valve 4 is connected with a compressed air pipeline 5, so that compressed air enters the wash oil recovery tank 1 after the ball float valve 4 is opened; the bottom of the wash oil recovery tank 1 is provided with a bottom pipe 6, and the other end of the bottom pipe 6 is connected with a wash oil tank 7 so that liquid enters the wash oil tank 7.
A balance pipe 8 is arranged between the bottom pipeline 6 and the wash oil recovery tank 1, a pneumatic valve 9 is arranged between the balance pipe 8 and the compressed gas pipeline 5, and VOCs gas is reduced while the system pressure is maintained.
A check valve 10 is also arranged between the buffer tank 3 and the wash oil recovery tank 1.
The wash oil recovery tank 1 is provided with a glass plate level gauge 11 for checking the liquid level.
The application method of the utility model comprises the following steps: the wash oil recovered from the system and falling down or the wash oil flowing out of the heat exchanger flows into the wash oil recovery tank 1 through the buffer tank 3, after the wash oil liquid level in the wash oil recovery tank 1 reaches the set height (higher than the recovery tank 2/3 height), the float valve 4 is opened, the compressed air enters, the check valve 10 and the air-closed pneumatic valve 9 are closed, and the wash oil is pressed into the wash oil tank 7 through the bottom pipeline 6 of the wash oil recovery tank 1.
The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (4)
1. The device for recovering the wash oil is characterized by comprising a wash oil recovery tank, wherein a wash oil recovery pipeline is arranged at the top of the wash oil recovery tank, and a buffer tank is arranged on the wash oil recovery pipeline and used for preventing liquid from flowing back; the wash oil recovery tank is provided with a ball float valve which is connected with a compressed air pipeline, so that compressed air enters the wash oil recovery tank after the ball float valve is opened; the bottom of wash oil recovery jar is equipped with the bottom pipeline, and the other end and the wash oil groove of bottom pipeline are connected to make liquid get into the wash oil groove.
2. The apparatus for recovering wash oil according to claim 1, wherein a balance pipe is installed between the bottom pipe and the wash oil recovery tank, and a pneumatic valve is provided between the balance pipe and the compressed gas pipe to reduce the entry of VOCs gas while maintaining the system pressure.
3. The apparatus for recovering wash oil according to claim 1, wherein a check valve is further provided between the buffer tank and the wash oil recovery tank.
4. The apparatus for recovering wash oil according to claim 1, wherein the wash oil recovery tank is provided with a glass plate level gauge for checking the liquid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321009118.1U CN219783884U (en) | 2023-04-28 | 2023-04-28 | Device for recovering wash oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321009118.1U CN219783884U (en) | 2023-04-28 | 2023-04-28 | Device for recovering wash oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219783884U true CN219783884U (en) | 2023-10-03 |
Family
ID=88178029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321009118.1U Active CN219783884U (en) | 2023-04-28 | 2023-04-28 | Device for recovering wash oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219783884U (en) |
-
2023
- 2023-04-28 CN CN202321009118.1U patent/CN219783884U/en active Active
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