CN214233435U - Anti-blocking device for black water pipeline of washing tower - Google Patents
Anti-blocking device for black water pipeline of washing tower Download PDFInfo
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- CN214233435U CN214233435U CN202022681842.1U CN202022681842U CN214233435U CN 214233435 U CN214233435 U CN 214233435U CN 202022681842 U CN202022681842 U CN 202022681842U CN 214233435 U CN214233435 U CN 214233435U
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Abstract
The utility model belongs to the technical field of chemical industry, and discloses a black water pipeline anti-blocking device of a washing tower, which comprises a washing tower, a high-pressure flash tank and a start-up cooler; the washing tower is communicated with the high-pressure flash tank through a first control valve; the washing tower is communicated with the start-up cooler through a first control valve and a third control valve in sequence; the device also comprises a second control valve and a fourth control valve; the washing tower is communicated with the high-pressure flash tank through a first control valve and a second control valve in sequence; the washing tower is communicated with the start-up cooler through a first control valve, a third control valve and a fourth control valve in sequence; the slag collecting tank is communicated with the lock hopper through a slag discharging pipeline; the fourth control valve is communicated with the slag discharge pipeline through a connecting pipeline. The utility model provides a black water pipeline of scrubbing tower prevents stifled device, simple structure, with low costs effectively prevents the stifled sediment of scrubbing tower black water, and the system operation is stable, improves methyl alcohol output.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry, a washing tower black water pipeline prevents stifled device is related to.
Background
In the methanol production operation process, after the gasifier jumps and is jointly thrown, because black water discharged from the washing tower easily enters the pipeline and is blocked so as not to be discharged to the high-pressure flash tower and is forced to stop, then the manhole is opened in the washing tower to remove slag, the gasifier pulls out the burner to dry the furnace, the methanol yield and the stable operation of a production system are influenced, and serious loss is brought to enterprises.
SUMMERY OF THE UTILITY MODEL
The stifled sediment problem of black water to the existence of scrubbing tower now, the utility model provides a stifled device is prevented to scrubbing tower black water pipeline, simple structure, with low costs effectively prevent the stifled sediment of scrubbing tower black water, and the system operation is stable, improves methyl alcohol output.
In order to solve the above problem, the utility model provides a technical scheme is:
an anti-blocking device for a black water pipeline of a washing tower comprises the washing tower, a high-pressure flash tank and a start-up cooler; the washing tower is communicated with the high-pressure flash tank through a first control valve; the washing tower is communicated with the start-up cooler through a first control valve and a third control valve in sequence; and a second control valve disposed between the first control valve and the high pressure flash tank.
Furthermore, the black water pipeline anti-blocking device of the washing tower also comprises a fourth control valve; and the washing tower is communicated with the start-up cooler through a first control valve, a third control valve and a fourth control valve in sequence.
Furthermore, the washing tower black water pipeline anti-blocking device also comprises a lock hopper and a slag collecting pool communicated with the lock hopper through a slag discharge pipeline; and the fourth control valve is communicated with a slag discharge pipeline through a connecting pipeline.
Further, the pressure of the second control valve is 6.2-6.8 MPa.
Further, the second control valve pressure is 6.5 Mpa.
Further, the fourth control valve pressure is 6.5 Mpa.
The utility model has the advantages that:
1. the utility model provides a black water pipeline anti-blocking device of a washing tower, which comprises a washing tower, a high-pressure flash tank and a start-up cooler; the washing tower is communicated with the high-pressure flash tank through a first control valve; the washing tower is communicated with the start-up cooler through a first control valve and a third control valve in sequence; and a second control valve disposed between the first control valve and the high pressure flash tank. A second control valve is arranged on a pipeline for removing the black water from the washing tower to the high-pressure flash tank, so that the black water discharged from the washing tower can be conveniently controlled, and the black water is prevented from entering the pipeline to influence the operation of the system.
2. The utility model provides a black water pipeline anti-blocking device of a washing tower, which also comprises a fourth control valve; the washing tower is communicated with the start-up cooler through a first control valve, a third control valve and a fourth control valve in sequence; the washing tower black water pipeline anti-blocking device also comprises a lock hopper and a slag collecting pool communicated with the lock hopper through a slag discharge pipeline; the fourth control valve is communicated with the slag discharge pipeline through a connecting pipeline. The pipeline of the black water pipeline to the start-up cooler is connected to the pipeline of the lock hopper for deslagging and slag collecting pool, a fourth control valve is added at the position of a third control valve of the original black water pipeline to the start-up cooler, and the second control valve is used for controlling the black water pipeline of the washing tower to deslag during starting and stopping every time, so that the system is ensured to operate stably, and the yield of methanol is improved.
3. The utility model adds the second control valve and the fourth control valve in the existing process pipeline, and the pipeline of the black water pipeline to the start cooler is connected with the slag discharge pipeline of the lock hopper to discharge slag and the slag collecting tank; the whole structure is simple, the cost is low, the original process is not required to be changed, the slag blockage of the washing tower by black water is effectively prevented, and the operation is convenient.
Drawings
FIG. 1 is a schematic view of an anti-blocking device for a black water pipeline of a washing tower provided by the present invention;
wherein:
1-a washing column; 2 — a first control valve; 3-a second control valve; 4-high-pressure flash tank; 5-a third control valve; 6-a fourth control valve; 7, locking the bucket; 8-locking bucket first control valve; 9-locking second control valve; 10-start-up cooler.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings and examples.
Examples
Referring to fig. 1, the black water line anti-blocking device for the washing tower provided by the embodiment includes a washing tower 1, a high-pressure flash tank 4 and a start-up cooler 10; the washing tower 1 is communicated with a high-pressure flash tank 4 through a first control valve 2; the scrubber tower 1 is communicated with a start-up cooler 10 through a first control valve 2 and a third control valve 5 in sequence.
The anti-blocking device for the black water pipeline of the washing tower provided by the embodiment further comprises a second control valve 3; the washing tower 1 is communicated with a high-pressure flash tank 4 through a first control valve 2 and a second control valve 3 in sequence.
The anti-blocking device for the black water pipeline of the washing tower provided by the embodiment further comprises a fourth control valve 6; the washing tower 1 is communicated with a start-up cooler 10 through a first control valve 2, a third control valve 5 and a fourth control valve 6 in sequence.
The anti-blocking device for the black water pipeline of the washing tower provided by the embodiment further comprises a lock hopper 7 and a slag collecting pool communicated with the lock hopper 7 through a slag discharging pipeline; the fourth control valve 6 is communicated with the slag discharge pipeline through a connecting pipeline.
In this embodiment, after the bottom of the lock hopper 7 passes through the first lock hopper control valve 8, one path of slag discharged from the lock hopper is directly discharged to the slag pool, and the other path of slag is discharged to the slag collecting pool through the slag discharging pipeline after passing through the second lock hopper control valve 9 and the pipeline of the black water discharge start-up cooler 10.
In this embodiment, the size of the second control valve 3 is matched with the size of the existing pipeline to ensure that the second control valve 3 can be connected to the existing pipeline, and the pressure borne by the second control valve 3 is generally 6.2Mpa at the minimum and 6.8Mpa at the maximum according to actual production.
In the embodiment, the size of the fourth control valve 6 is matched with the size of the existing pipeline, so that the fourth control valve 6 can be connected into the existing pipeline, and the fourth control valve 6 bears the pressure of 6.5Mpa according to actual production.
The utility model provides a washing tower black water pipeline prevents stifled process of preventing of device is illustrated with the concrete example.
The practical situation is as follows: in the operation process of the No. 1 gasification furnace in a certain methanol factory, after jumping and combined throwing, black water and blocked slag of a washing tower cannot be discharged to high flash, the methanol factory is forced to stop, a manhole of the washing tower is opened to remove slag, and the No. 1 gasification furnace is dried by pulling out a burner; co-influencing the methanol yield of 1353.92 tons; after the No. 2 gasification furnace is tripped and jointly thrown, the washing tower is forced to stop when black water and slag blockage of the washing tower cannot be discharged to high flash, the washing tower is opened to remove slag through a manhole, and the No. 2 gasification furnace is dried by pulling out a burner; which affects the methanol yield of 1147.5 tons.
Adopt now the utility model provides a black water pipeline of scrubbing tower prevents stifled device improves technology.
1) Adding a second control valve 3 after the black water in the washing tower 1 enters a first control valve 2 on a pipeline of a high-pressure flash tank 4;
2) connecting a pipeline for a black water pipeline of the washing tower 1 to the start-up cooler 10 to a slag discharge pipeline for a lock hopper 7 to discharge slag to a slag collecting pool, adding a fourth control valve 6 after the black water of the original washing tower 1 is discharged to a third control valve of the start-up cooler 10, and controlling the black water of the washing tower 1 to discharge slag by using the second control valve 3 during each start-up and stop.
Specifically, the second control valve 3 and the fourth control valve 6 are both 4 ″ 900LB valves. The pressure which can be born by the second control valve 3 is 6.5 Mpa; the fourth control valve 6 is subjected to a pressure of 6.5 Mpa.
After the anti-blocking device provided by the embodiment is adopted, the specific operation steps are as follows:
1) before the system is started, firstly, the cone bottom pipeline of the washing tower 1 is confirmed to be kept smooth;
2) confirming the flow before starting, closing the second control valve 3, and opening the valves (a third control valve 5 and a fourth control valve 6) for removing the black water to the slag collecting pool;
3) after the gasifier is successfully fed, the control chamber opens the first control valve 2 to discharge the washing tower black water;
4) the highest system pressure in the discharging process cannot exceed 0.5 MPa;
5) after the discharge is finished, closing a valve at the conical bottom of the washing tower on site, opening a valve (a second control valve 3) for removing the black water to the high-pressure flash tower 4, and closing valves (a third control valve 5 and a fourth control valve 6) for removing the black water to a slag collecting pool; the control room closes the first control valve 2, and after the pressure in the pipeline is relieved, the control room contacts a professional equipment blind guiding plate;
6) and discharging the black water of the washing tower after the system is stopped and before the system is put into operation every time.
Claims (6)
1. An anti-blocking device for a black water pipeline of a washing tower comprises the washing tower (1), a high-pressure flash tank (4) and a start-up cooler (10); the washing tower (1) is communicated with a high-pressure flash tank (4) through a first control valve (2); the washing tower (1) is communicated with a start-up cooler (10) through a first control valve (2) and a third control valve (5) in sequence; the method is characterized in that: and the device also comprises a second control valve (3) arranged between the first control valve (2) and the high-pressure flash tank (4).
2. The black water pipeline anti-blocking device of the washing tower as claimed in claim 1, which is characterized in that: the anti-blocking device for the black water pipeline of the washing tower further comprises a fourth control valve (6); the washing tower (1) is communicated with the start-up cooler (10) through the first control valve (2), the third control valve (5) and the fourth control valve (6) in sequence.
3. The black water pipeline anti-blocking device of the washing tower as claimed in claim 2, wherein: the washing tower black water pipeline anti-blocking device also comprises a lock hopper (7) and a slag collecting tank communicated with the lock hopper (7) through a slag discharging pipeline; the fourth control valve (6) is communicated with a slag discharge pipeline through a connecting pipeline.
4. The black water pipeline anti-blocking device of the washing tower as claimed in any one of claims 1 to 3, wherein: the pressure of the second control valve (3) is 6.2-6.8 Mpa.
5. The black water pipeline anti-blocking device of the washing tower as claimed in claim 4, wherein: the pressure of the second control valve (3) is 6.5 Mpa.
6. The black water pipeline anti-blocking device of the washing tower as claimed in claim 2, wherein: the pressure of the fourth control valve (6) is 6.5 Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022681842.1U CN214233435U (en) | 2020-11-18 | 2020-11-18 | Anti-blocking device for black water pipeline of washing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022681842.1U CN214233435U (en) | 2020-11-18 | 2020-11-18 | Anti-blocking device for black water pipeline of washing tower |
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| Publication Number | Publication Date |
|---|---|
| CN214233435U true CN214233435U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022681842.1U Active CN214233435U (en) | 2020-11-18 | 2020-11-18 | Anti-blocking device for black water pipeline of washing tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769231A (en) * | 2022-04-18 | 2022-07-22 | 安徽晋煤中能化工股份有限公司 | Pipeline dredging device |
-
2020
- 2020-11-18 CN CN202022681842.1U patent/CN214233435U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769231A (en) * | 2022-04-18 | 2022-07-22 | 安徽晋煤中能化工股份有限公司 | Pipeline dredging device |
| CN114769231B (en) * | 2022-04-18 | 2024-03-08 | 安徽晋煤中能化工股份有限公司 | Pipeline dredging device |
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