CN218077773U - Negative pressure tower top material recycling equipment - Google Patents
Negative pressure tower top material recycling equipment Download PDFInfo
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- CN218077773U CN218077773U CN202221938382.9U CN202221938382U CN218077773U CN 218077773 U CN218077773 U CN 218077773U CN 202221938382 U CN202221938382 U CN 202221938382U CN 218077773 U CN218077773 U CN 218077773U
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- pipeline
- negative pressure
- valve
- buffer tank
- vacuum pump
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Abstract
The utility model relates to a material recovery device on the top of a negative pressure tower, which comprises a negative pressure tower, a vacuum pump and a buffer tank; a pressure gauge and a liquid level meter are arranged on the buffer tank; wherein a negative pressure port of the negative pressure tower is connected with a negative pressure pipeline; the negative pressure pipeline is connected with the buffer tank through a first valve; the air outlet of the buffer tank is connected with a vacuum pump through a first communicating pipeline; wherein the first communicating pipeline is sequentially provided with a third valve and a fourth valve; wherein the first communicating pipeline is connected with a nitrogen pipeline; one end of the nitrogen pipeline is connected with the first communicating pipeline through a fifth valve, and the other end of the nitrogen pipeline is connected with the nitrogen system; the negative pressure pipeline is connected with a second communicating pipeline, and the second communicating pipeline is connected with the first communicating pipeline through a second valve. The utility model recovers the residual oil at the top of the negative pressure tower, and avoids the damage of equipment failure caused by liquid carried at the inlet of the vacuum pump; the problem that the inlet of the vacuum pump carries liquid is well solved, and long-period operation of equipment is guaranteed.
Description
Technical Field
The utility model relates to a negative pressure tower equipment field especially relates to a negative pressure top of tower material recovery is equipped.
Background
At present, in the negative pressure pumping process of a vacuum pump of a negative pressure tower, light components at the top of the tower can enter the vacuum pump to cause liquid carrying of the vacuum pump, equipment is stopped by jumping if the light components are, and the liquid carrying of the vacuum pump is caused to be failed if the light components are, so that long-term operation of the equipment is caused, and the maintenance burden is caused.
Disclosure of Invention
In order to solve the problems, the invention discloses a material recovery device at the top of a negative pressure tower, which is used for recovering residual oil at the top of the negative pressure tower and avoiding the fault damage of the device caused by liquid carried at the inlet of a vacuum pump; the problem of liquid carried at the inlet of the vacuum pump is well solved, and long-period operation of the equipment is ensured.
A material recovery device at the top of a negative pressure tower comprises a negative pressure tower, a vacuum pump and a buffer tank; a pressure gauge and a liquid level meter are arranged on the buffer tank; wherein a negative pressure port of the negative pressure tower is connected with a negative pressure pipeline; wherein the negative pressure pipeline is connected with the buffer tank through a first valve; the gas outlet of the buffer tank is connected with a vacuum pump through a first communicating pipeline; wherein the first communicating pipeline is sequentially provided with a third valve and a fourth valve; wherein the first communicating pipeline is connected with a nitrogen pipeline; one end of the nitrogen pipeline is connected with the first communicating pipeline through a fifth valve, and the other end of the nitrogen pipeline is connected with the nitrogen system; the negative pressure pipeline is connected with a second communicating pipeline, and the second communicating pipeline is connected with the first communicating pipeline through a second valve.
Furthermore, the connection point of the second communication pipeline and the first communication pipeline is positioned between the third valve and the fourth valve.
Further, the connection point of the nitrogen pipeline and the first communication pipeline is positioned at the front end of the third valve.
Further, the bottom of the buffer tank is connected with a torch system through a sixth valve.
The utility model discloses a theory of operation is:
1. adding a liquid buffer tank at the inlet of the vacuum pump; the vacuum pump normally operates, the tower top of the negative pressure tower is connected with a negative pressure pipeline, a first valve is opened, and the tower top residual oil of the negative pressure tower is recovered through a buffer tank; then the third valve and the fourth valve are opened, and the gas is conveyed to the vacuum pump through the first communicating pipe.
2. The liquid level position can be judged through a buffer tank liquid level meter; when the liquid level is more than 50%, the buffer tank can be pressurized;
firstly, a buffer tank is changed out; the second valve is opened and the first and third valves are closed. Then, breaking vacuum by using nitrogen, opening a fifth valve, opening a sixth valve when the pressure reaches 0.1mpa, and pressing the materials to a torch system for recycling; until the liquid level becomes 0 and the pressure drops rapidly.
And after the oil pressing of the buffer tank is finished, closing the fifth valve and closing the sixth valve. Slowly opening the third valve, observing that the pressure of the pressure gauge of the buffer tank reaches negative pressure, opening the first valve, and closing the second valve; the handover is completed.
The utility model has the advantages that:
residual oil at the top of the negative pressure tower is recycled, so that equipment failure and damage caused by liquid carried at the inlet of a vacuum pump are avoided; the problem that the inlet of the vacuum pump carries liquid is well solved, and long-period operation of equipment is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
list of reference numbers:
wherein 1-a first valve; 2-a second valve; 3-a third valve; 4-a fourth valve; 5-a fifth valve; 6-a sixth valve; 7-a negative pressure column; 8-a buffer tank; 9-a vacuum pump; 10-a negative pressure pipeline; 11-a first communicating conduit; 12-nitrogen line; 13-nitrogen system; 14-a second communication line; 15-flare system.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1, the material recycling equipment at the top of the negative pressure tower of the embodiment comprises a negative pressure tower 7, a vacuum pump 9 and a buffer tank 8; a pressure gauge 8-1 and a liquid level meter 8-2 are arranged on the buffer tank 8; wherein the negative pressure port of the negative pressure tower 7 is connected with a negative pressure pipeline 10; wherein the negative pressure pipeline 10 is connected with the buffer tank 8 through the first valve 1; the bottom of the buffer tank 8 is connected with a flare system 15 through a sixth valve 6.
An air outlet of the buffer tank 8 is connected with a vacuum pump 9 through a first communicating pipeline 11; wherein the first communicating pipeline 11 is provided with a third valve 3 and a fourth valve 4 in sequence.
The vacuum pump 9 normally operates, and a liquid buffer tank 8 is added at the inlet of the vacuum pump 9; the vacuum pump 9 operates normally, the tower top of the negative pressure tower 7 is connected with a negative pressure pipeline 10, the first valve 1 is opened, and the tower top residual oil of the negative pressure tower 7 is recovered through the buffer tank 8; then the third valve 3 and the fourth valve 4 are opened, and the gas is conveyed into the vacuum pump 9 through the first communication pipeline 11; the liquid level position can be judged by the liquid level meter 8-2. In the embodiment, residual oil at the top of the negative pressure tower is recycled, so that equipment failure and damage caused by liquid carried at the inlet of a vacuum pump are avoided; the problem of liquid carried at the inlet of the vacuum pump is well solved, and long-period operation of the equipment is ensured.
Wherein the first communicating pipeline 11 is connected with a nitrogen pipeline 12; one end of the nitrogen pipeline 12 is connected with the first communicating pipeline 11 through a fifth valve 5, and the other end of the nitrogen pipeline is connected with a nitrogen system 13; the negative pressure pipeline 10 is connected with a second communicating pipeline 14, and the connection point of the second communicating pipeline 14 and the first communicating pipeline 11 is positioned between the third valve 3 and the fourth valve 4;
the second communication line 14 is connected to the first communication line 11 via the second valve 2; the connection point of the nitrogen line 12 to the first communication line 11 is located at the front end of the third valve 3.
In the embodiment, the liquid level position can be judged through the buffer tank liquid level meter; when the liquid level is more than 50%, the buffer tank can be pressurized;
firstly, the buffer tank 8 is changed out; the second valve 2 is opened and the first valve 1 and the third valve 3 are closed. Then, breaking vacuum by using nitrogen, opening a fifth valve 5, opening a sixth valve 6 after the pressure reaches 0.1mpa, and pressing the materials to a torch system 15 for recycling; until the liquid level becomes 0 and the pressure drops rapidly; after the oil pressing of the buffer tank 8 is finished, the fifth valve 5 is closed, and the sixth valve 6 is closed. Slowly opening the third valve 3, observing that the pressure of a pressure gauge 8-1 of the buffer tank 8 reaches negative pressure, opening the first valve 1, and closing the second valve 2; the handover is completed.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (4)
1. A negative pressure tower top material recovery device comprises a negative pressure tower (7) and a vacuum pump (9); the method is characterized in that: also comprises a buffer tank (8); a pressure gauge (8-1) and a liquid level meter (8-2) are arranged on the buffer tank (8); wherein a negative pressure port of the negative pressure tower (7) is connected with a negative pressure pipeline (10); wherein the negative pressure pipeline (10) is connected with the buffer tank (8) through the first valve (1); the air outlet of the buffer tank (8) is connected with a vacuum pump (9) through a first communicating pipeline (11); wherein the first communicating pipeline (11) is sequentially provided with a third valve (3) and a fourth valve (4); wherein the first communicating pipeline (11) is connected with a nitrogen pipeline (12); one end of the nitrogen pipeline (12) is connected with the first communicating pipeline (11) through a fifth valve (5), and the other end of the nitrogen pipeline is connected with the nitrogen system (13); the negative pressure pipeline (10) is connected with a second communicating pipeline (14), and the second communicating pipeline (14) is connected with the first communicating pipeline (11) through a second valve (2).
2. The negative pressure tower top material recycling equipment of claim 1, characterized in that: the connection point of the second communication pipeline (14) and the first communication pipeline (11) is positioned between the third valve (3) and the fourth valve (4).
3. The negative pressure tower top material recovery equipment of claim 1, wherein: the connection point of the nitrogen pipeline (12) and the first communicating pipeline (11) is positioned at the front end of the third valve (3).
4. The negative pressure tower top material recovery equipment of claim 1, wherein: the bottom of the buffer tank (8) is connected with a torch system (15) through a sixth valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221938382.9U CN218077773U (en) | 2022-07-26 | 2022-07-26 | Negative pressure tower top material recycling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221938382.9U CN218077773U (en) | 2022-07-26 | 2022-07-26 | Negative pressure tower top material recycling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218077773U true CN218077773U (en) | 2022-12-20 |
Family
ID=84482734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221938382.9U Active CN218077773U (en) | 2022-07-26 | 2022-07-26 | Negative pressure tower top material recycling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218077773U (en) |
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2022
- 2022-07-26 CN CN202221938382.9U patent/CN218077773U/en active Active
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