CN220601252U - Automatic drainage device for acetylene gas pipeline - Google Patents

Abstract

The utility model relates to the technical field of chemical production, in particular to an automatic drainage device for an acetylene gas pipeline. Including acetylene gas pipeline, the drain tank of setting in acetylene gas pipeline bottom, automatic drain line, overflow pipeline and moisturizing pipeline, the one end of automatic drain line communicates with the bottom of acetylene gas pipeline tail end, and the other end of automatic drain line inserts in the drain tank and is located under the liquid level, overflow pipeline is located the upper end of drain tank, and moisturizing pipeline is located the top of drain tank, is provided with manual drain line on the automatic drain line, and manual drain line's one end and automatic drain line intercommunication, manual drain line's the other end and overflow pipeline intercommunication. According to the utility model, automatic drainage is realized without manual operation, and a liquid seal mode is adopted to prevent acetylene gas from leaking, so that the safe and stable operation of the system is ensured; the manual operation is reserved on the automatic drainage device, and when the automatic drainage device fails or is maintained, the normal operation of the equipment is not affected.

Description

Automatic drainage device for acetylene gas pipeline

Technical Field

The utility model relates to the technical field of chemical production, in particular to an automatic drainage device for an acetylene gas pipeline.

Background

In the technological process of preparing acetylene gas by dry method, after the acetylene gas is reacted with water by an acetylene generator, a large amount of electric lime is arranged in the acetylene gas, so that the acetylene gas is required to be subjected to dust removal and temperature reduction by a washing tower, the acetylene gas subjected to temperature reduction and dust removal is always supplied with water in an acetylene gas pipeline when being sent out, and then is required to be regularly drained, the existing drainage device is operated manually, the drainage time is long because the acetylene gas is frequently drained, and the labor is required to be present during the drainage, so that the acetylene gas leakage caused by misoperation is prevented, safety accidents occur, the labor and the production cost are increased due to the manual operation, and certain potential safety hazards exist.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the automatic drainage device for the acetylene gas pipeline, which not only solves the problems of the existing drainage device that the manual operation is needed to cause and the production cost is increased, but also can prevent the acetylene gas from leaking to cause potential safety hazard.

In order to achieve the technical purpose, the utility model provides the following technical scheme: the utility model provides an automatic drainage device of acetylene gas pipeline, includes the acetylene gas pipeline, still including setting up drain tank, automatic drain line, overflow pipeline and the moisturizing pipeline in acetylene gas pipeline bottom, be provided with aqueous solution in the drain tank, the one end of automatic drain line and the bottom intercommunication of acetylene gas pipeline tail end, the other end of automatic drain line inserts in the drain tank and is located under the liquid level, overflow pipeline is located the upper end of drain tank, and the moisturizing pipeline is located the top of drain tank, be provided with manual drain line on the automatic drain line, manual drain line's one end and automatic drain line intercommunication, manual drain line's the other end and overflow pipeline intercommunication.

Further, a drain valve I is arranged on the automatic drain pipe line and positioned between the manual drain pipe line and the drain tank, an overflow valve is arranged on the overflow pipe line, and a water supplementing valve is arranged on the water supplementing pipe line.

Further, a second drain valve and a water storage pipe are arranged on the manual drain pipe, the water storage pipe is located above the second drain valve, and a sight glass is arranged on the water storage pipe.

Further, a plate type liquid level meter is arranged on the outer wall of the water drain tank.

Further, a safety valve pipeline is arranged at the top of the drain tank, and a safety valve is arranged on the safety valve pipeline.

Further, a drain pipeline is connected to the bottom of the drain tank, and a drain valve is arranged on the drain pipeline.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has novel structure, ingenious conception and simple and convenient operation, and has the following advantages compared with the prior art: 1. the utility model has simple structure and convenient operation, realizes automatic drainage, does not need manual operation, reduces the labor intensity of workers, adopts a liquid seal mode, prevents acetylene gas from leaking, avoids the leakage of the acetylene gas caused by manual misoperation, and ensures the safe and stable operation of the system;

2. the manual operation is reserved on the automatic drainage device, and when the automatic drainage device fails or is maintained, the cooling water can be discharged through the manual drainage pipeline, so that the normal operation of the equipment is not affected.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

In the figure, 1, an acetylene gas pipeline; 2. a drain tank; 3. an automatic drain line; 4. an overflow line; 5. a water supplementing line; 6. a manual drain line; 7. a drain valve I; 8. an overflow valve; 9. a water supplementing valve; 10. a second drain valve; 11. a water storage pipe; 12. a viewing mirror; 13. plate type liquid level meter; 14. a safety valve line; 15. a safety valve; 16. a blow-down line; 17. a blow-down valve.

Detailed Description

The following are specific embodiments of the present utility model, and the technical solutions of the present utility model are further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, the utility model provides an automatic drainage device for an acetylene gas pipeline, which comprises an acetylene gas pipeline 1, a drainage tank 2 arranged at the bottom of the acetylene gas pipeline 1, an automatic drainage pipeline 3, an overflow pipeline 4 and a water supplementing pipeline 5, wherein liquid provided by the water supplementing pipeline 5 is arranged in the drainage tank 2, the drainage tank 2 is used for temporarily storing cooling water and preventing the acetylene gas from being discharged, the acetylene gas is slightly soluble in water and only slightly soluble, so that water solution can be selected in the drainage tank 2, one end of the automatic drainage pipeline 3 is communicated with the bottom of the tail end of the acetylene gas pipeline 1, the other end of the automatic drainage pipeline 3 is inserted into the drainage tank 2 and positioned below a liquid level, the overflow pipeline 4 is positioned at the upper end of the drainage tank 2, when the liquid level in the drainage tank 2 is higher than the overflow pipeline 4, the overflow pipeline 4 is used for discharging liquid higher than the part of the overflow pipeline 4, the liquid in the overflow pipeline 4 can be directly discharged into a trench or is guided into a container, the water supplementing pipeline 5 is positioned at the top of the drainage tank 2 and is used for supplementing liquid in the drainage tank 2, the automatic drainage pipeline 3 can be used for manually draining the water from the drain 6 along the drain pipeline 6, and the water can be manually drained from the drainage pipeline 6 to the drain 6 when the water is not manually connected with the drain pipeline 6, and manually flows into the drainage pipeline 6 through the drainage pipeline 6, and is manually or is manually connected with the drainage pipeline 6, and the drainage device is normally connected with the drainage pipeline is arranged, and the drainage device is manually connected with the drainage device manually, and can be manually connected with the drainage device.

As shown in fig. 1, the pressure of the acetylene gas pipeline 1 is designed to be 0.5Kpa, the normal control pressure is 0.4Kpa, the height of the water drain tank 2 is designed to be 0.8m, the diameter is 0.6m, water is drained into the water drain tank 2 through the water supplementing pipeline 5, the liquid level in the water drain tank 2 does not exceed the overflow pipeline 4, one end of the automatic water drain pipeline 3 is inserted into the water drain tank 2, the tail end of the automatic water drain pipeline 3 is downwardly and deeply positioned at the position 0.45m away from the bottom of the water drain tank 2, one end of the overflow pipeline 4 is positioned at the position 0.75m above the water drain tank 2, cooling water in the acetylene gas pipeline 1 is fed into the water drain tank 2 from the movable water drain pipeline 3, as the liquid level in the water drain tank 2 continuously rises, when the liquid level in the water drain tank 2 exceeds the position 0.75m, the solution exceeding the 0.75m part of the water drain tank 2 is fed into the overflow pipeline 4 and flows into a land ditch or is led into a collecting container along the overflow pipeline 4, wherein when the automatic water drain pipeline fails or is maintained, the cooling water drain pipeline 6 is manually discharged, cooling water in the water drain pipeline 6 is not normally flowed into the land or the water drain pipeline 4, and the cooling water drain pipeline is not normally flowed into the water drain pipeline or the water drain pipeline is cooled.

The automatic water draining pipeline 3 is provided with a water draining valve I7 positioned between the manual water draining pipeline 6 and the water draining tank 2, the overflow pipeline 4 is provided with an overflow valve 8, and the water supplementing pipeline 5 is provided with a water supplementing valve 9.

As shown in fig. 1, the automatic drain line 3 can be controlled to be opened or closed by the first drain valve 7, maintenance or regular maintenance is also facilitated, and the overflow line 4 and the water supplementing line 5 can be controlled to be opened or closed by the overflow valve 8 and the water supplementing valve 9.

The manual drainage pipeline 6 is provided with a drainage valve II 10 and a water storage pipe 11, the water storage pipe 11 is positioned above the drainage valve II 10, and the water storage pipe 11 is provided with a sight glass 12.

As shown in fig. 1, the manual water drain line 6 can be controlled to be opened or closed by arranging the second water drain valve 10, the sight glass 12 is used for observing the liquid level of the cooling water in the water storage pipe 11, when the liquid level of the cooling water in the water storage pipe 11 is observed to reach a specified height, the second water drain valve 10 is opened to drain the cooling water in the water storage pipe 11, in order to ensure that the acetylene gas does not leak, the cooling water in the water storage pipe 11 is not completely drained, a part of the cooling water is reserved at the bottom of the water storage pipe 11 for preventing the acetylene gas from leaking, so that workers need to stare at the cooling water in the water storage pipe 11 during operation, and when the cooling water is drained to the specified liquid level, the second water drain valve 10 is timely closed.

The outer wall of the drain tank 2 is provided with a plate type liquid level gauge 13.

As shown in fig. 1, the plate-type liquid level gauge 13 is arranged on the outer wall of the drain tank 2 along the vertical direction, and the liquid level height in the drain tank 2 can be controlled by arranging the plate-type liquid level gauge 13, so that the water supplementing amount of the water supplementing pipeline 5 can be conveniently controlled.

The top of the drain tank 2 is communicated with a safety valve pipeline 14, and a safety valve 15 is arranged on the safety valve pipeline 14.

As shown in fig. 1, the relief valve line 14 is used to control the pressure in the drain tank 2, preventing the pressure in the drain tank 2 from being excessively high to damage the drain tank 2 due to leakage of acetylene gas when the automatic drain line 3 fails.

The bottom of the drain tank 2 is connected with a drain pipeline 16, and a drain valve 17 is arranged on the drain pipeline 16.

As shown in fig. 1, the drain tank 2 is used for a long time, and some impurities may accumulate at the bottom of the drain tank 2, and the drain valve 17 is opened to clean the impurities inside the drain tank 2.

The use principle is as follows: according to the liquid level measuring device 13 in the water drain tank 2, a water supplementing valve 9 is opened to put a certain amount of water into the water drain tank 2, when the automatic water drain pipeline 3 is normally used, a water draining valve I7 and an overflow valve 8 are opened, the water supplementing valve 9, a water draining valve II 10 and a blow-off valve 17 are closed, when water is accumulated in the acetylene gas pipeline 1, according to the pressure in the acetylene gas pipeline 1, cooling water in the acetylene gas pipeline 1 can be automatically discharged into the water drain tank 2, when the water level in the water drain tank 2 rises, the cooling water is automatically discharged into a trench or is led into a collecting container through the overflow pipeline 4, so that the acetylene gas is ensured not to leak, the water sealing effect can be achieved, the accumulated water in the acetylene gas pipeline can be automatically discharged, the normal use of a system after the influence is avoided, the labor force is reduced, and the safe and stable operation of the system is ensured;

when the automatic drainage pipeline breaks down or is maintained, the drainage valve II 10 and the overflow valve 8 are opened, the drainage valve I7, the water supplementing valve 9 and the blow-off valve 17 are closed, cooling water in the acetylene gas pipeline 1 can enter the water storage pipe 11 along the manual drainage pipeline 6, when the liquid level in the water storage pipe 11 is higher than the designated height through the sight glass 12, the drainage valve II 10 is opened, the cooling water in the water storage pipe 11 enters the overflow pipeline 4 and is discharged into a trench or introduced into a collecting container along the overflow pipeline 4, and in order to ensure that the acetylene gas is not leaked, a part of water is reserved at the bottom of the water storage pipe 11, so that the leakage of the acetylene gas can be effectively prevented.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (6)

1. The utility model provides an automatic drainage device of acetylene gas pipeline, includes acetylene gas pipeline (1), its characterized in that: still including setting up drain tank (2) in acetylene gas pipeline (1) bottom, automatic drain line (3), overflow pipeline (4) and moisturizing pipeline (5), be provided with aqueous solution in drain tank (2), the one end of automatic drain line (3) communicates with the bottom of acetylene gas pipeline (1) tail end, and the other end of automatic drain line (3) inserts drain tank (2) and is located under the liquid level, overflow pipeline (4) are located the upper end of drain tank (2), and moisturizing pipeline (5) are located the top of drain tank (2), be provided with manual drain line (6) on automatic drain line (3), the one end and the automatic drain line (3) intercommunication of manual drain line (6), the other end and the overflow pipeline (4) intercommunication of manual drain line (6).

2. An automatic drainage device for acetylene gas lines according to claim 1, wherein: the automatic water draining pipeline (3) is provided with a water draining valve I (7) which is positioned between the manual water draining pipeline (6) and the water draining tank (2), the overflow pipeline (4) is provided with an overflow valve (8), and the water supplementing pipeline (5) is provided with a water supplementing valve (9).

3. An automatic drainage device for acetylene gas lines according to claim 1, wherein: the manual drainage pipeline (6) is provided with a drainage valve II (10) and a water storage pipe (11), the water storage pipe (11) is positioned above the drainage valve II (10), and the water storage pipe (11) is provided with a sight glass (12).

4. An automatic drainage device for acetylene gas lines according to claim 1, wherein: the outer wall of the drainage tank (2) is provided with a plate type liquid level meter (13).

5. An automatic drainage device for acetylene gas lines according to claim 1, wherein: the top of drain tank (2) is provided with relief valve pipeline (14), is provided with relief valve (15) on relief valve pipeline (14).

6. An automatic drainage device for acetylene gas lines according to claim 1, wherein: the bottom of the drainage tank (2) is connected with a drain pipeline (16), and a drain valve (17) is arranged on the drain pipeline (16).