Accident water treatment system in fire dike of crude benzene storage tank

Abstract

The utility model relates to the technical field of accident water in an oil depot area, and discloses a system for treating accident water in a fire dike of a crude benzene storage tank, which comprises a fire-proof container, a first crude benzene storage tank, a second crude benzene storage tank and a crude benzene emptying tank, the first crude benzene storage tank and the second crude benzene storage tank are arranged in the fire-proof container, and the first crude benzene storage tank and the second crude benzene storage tank are arranged in the fire-proof container. The crude benzene emptying groove is placed in a pit outside the fire dike, a water collecting pit is formed in the fire dike, a drainage pipeline is pre-buried in the right side of the interior of the water collecting pit, and a crude benzene discharging pipeline is pre-buried in the left side of the interior of the water collecting pit. According to the accident water treatment system in the fire dike with the crude benzene storage tanks, rainwater and accident water are respectively conveyed to the rainwater collecting tank and the crude benzene emptying tank in a self-flowing manner through a reserved pipeline in the fire dike, are filtered and then are pumped to the two groups of crude benzene storage tanks through the underground emptying tank, and crude benzene in an accident state is quickly collected, so that volatilization of the crude benzene can be reduced, and the safety of the fire dike is improved. And the problem that a large amount of crude benzene accident water enters the accident water pool to cause large loss is solved.

Description

Technical Field

[0001] This utility model relates to the field of emergency water technology in oil depot areas, specifically an emergency water treatment system inside the fire dike of a crude benzene storage tank. Background Technology

[0002] In the gas purification oil depot area, if an accident such as a leak occurs in the crude benzene storage tank, a large amount of accident water containing harmful substances such as crude benzene may accumulate inside the firewall. If not dealt with effectively and promptly, this accident water may cause serious environmental pollution and even endanger the surrounding ecology and personnel safety.

[0003] Currently, the oil depot's fire dike sump is equipped with drainage pipes, and valve wells and water seal wells are set up outside the fire dike. The discharge of rainwater or crude benzene accident water is controlled by valves. Rainwater enters the sewage pool, and crude benzene accident water enters the accident water pool. The method of treating accident water inside the fire dike of crude benzene storage tank in the oil depot area has problems such as poor treatment effect, safety hazards, and complicated operation.

[0004] There is an urgent need for an emergency water treatment system inside the fire dike of a crude benzene storage tank to address the technical deficiencies mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide an emergency water treatment system inside the fire dike of a crude benzene storage tank, in order to solve the problem mentioned in the background art of a large amount of crude benzene emergency water entering the emergency water pool.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an emergency water treatment system for a crude benzene storage tank within a firebreak, comprising a firebreak, a first crude benzene storage tank, a second crude benzene storage tank, and a crude benzene venting tank. The first and second crude benzene storage tanks are installed inside the firebreak, and the crude benzene venting tank is placed in a pit outside the firebreak. A water collection pit is provided inside the firebreak, with a drainage pipe pre-embedded on the right side of the water collection pit and a crude benzene discharge pipe pre-embedded on the left side of the water collection pit. The drainage pipe and the crude benzene discharge pipe are... Each tank is equipped with a filter tube, and a filter screen is installed inside the filter tube. An inlet is provided on the right side of the top of the crude benzene venting tank. The crude benzene discharge pipe is connected to the inlet. A venting tank pump is installed on the crude benzene venting tank. A radar level gauge is installed inside the crude benzene venting tank. A return pipe is fixedly connected to the output end of the venting tank pump. A first pipe is installed on the left side of the return pipe, and a second pipe is installed on the right side of the return pipe. The first pipe is connected to the first crude benzene storage tank, and the second pipe is connected to the second crude benzene storage tank.

[0007] As a further technical solution of this utility model, a first control valve is installed on the first pipeline, and a second control valve is installed on the second pipeline.

[0008] As a further technical solution of this utility model, the venting tank pump is interlocked with the radar level gauge to control the pump to start and stop automatically. An extraction pipe is installed at the input end of the venting tank pump, and the extraction pipe is installed inside the crude benzene venting tank.

[0009] As a further technical solution of this utility model, electric valves are installed on both the drainage pipe and the coarse benzene discharge pipe.

[0010] As a further technical solution of this utility model, a first valve well is installed on the outside of the drainage pipe, and a second valve well is installed on the outside of the coarse benzene discharge pipe.

[0011] As a further technical solution of this utility model, a sealing ring is provided on the outside of the filter screen, and the sealing ring is tightly fitted to the inner wall of the filter tube.

[0012] As a further technical solution of this utility model, the filter screen is externally fixedly connected with a mounting block, the filter tube is internally provided with a mounting slot, and the mounting block is provided with mounting bolts.

[0013] As a further technical solution of this utility model, the above is described.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the emergency water treatment system inside the fire dike of the crude benzene storage tank not only realizes the function of preventing crude benzene emergency water from entering the emergency water pool, realizes the function of facilitating sewage discharge and filtration, but also realizes the function of facilitating automatic control of backflow.

[0015] (1) By setting up a first pipe, a second pipe, a water collection pit, a crude benzene discharge pipe, a venting tank pump, a crude benzene venting tank and a return pipe, rainwater or emergency water can enter the water collection pit by gravity. During rainy weather, the valve on the drainage pipe is opened, and the rainwater can flow into the whole plant rainwater collection pool along the drainage pipe. Emergency water can flow into the crude benzene venting tank along the crude benzene discharge pipe. Then the venting tank pump can pump the crude benzene into the return pipe. The crude benzene flows into the first crude benzene storage tank and the second crude benzene storage tank through the return pipe, the first pipe and the second pipe respectively. The crude benzene in the emergency situation can be collected quickly, which can reduce the volatilization of crude benzene and recover economic losses.

[0016] (2) By setting up a filter pipe, filter screen, sealing ring, mounting slot, mounting block and mounting bolt, accidental crude benzene or rainwater will flow into the inside of the water collection pit. When draining rainwater or accidental crude benzene, the filter screen on the filter pipe can prevent large particles of impurities inside the water collection pit from entering the pipe. The filter screen can be disassembled for cleaning. When disassembling, unscrew the mounting bolt and then remove the mounting block from the inside of the mounting slot to take out the filter screen. This structure realizes the function of easy filtration and anti-clogging.

[0017] (3) By setting up a venting tank pump, a crude benzene venting tank, an extraction pipe and a radar level gauge, crude benzene flows into the interior of the crude benzene venting tank. The radar level gauge can detect the liquid level inside the crude benzene venting tank. After the radar level gauge detects a certain liquid level, it can control the start and stop of the venting tank pump. The venting tank pump can pump the crude benzene into the interior of the crude benzene storage tank through the extraction pipe. This structure realizes the function of easy automatic control of backflow, timely removal of crude benzene in case of an accident, and improved work efficiency. Attached Figure Description

[0018] Figure 1 This is a frontal cross-sectional view of the present invention.

[0019] Figure 2 This is a partial front view structural diagram of the benzene discharge pipe of this utility model;

[0020] Figure 3 This is a side view of the filter tube structure of this utility model;

[0021] Figure 4 This is a front view cross-sectional structural diagram of the crude benzene underground venting trough of this utility model.

[0022] In the diagram: 1. Fireproof sump; 2. First crude benzene storage tank; 3. First control valve; 4. First pipeline; 5. Second pipeline; 6. Second control valve; 7. Second crude benzene storage tank; 8. Sump; 9. First valve well; 10. Drainage pipeline; 11. Filter pipe; 12. Second valve well; 13. Crude benzene discharge pipeline; 14. Vent tank pump; 15. Crude benzene vent tank; 16. Extraction pipe; 17. Radar level gauge; 18. Return pipe; 19. Inlet; 20. Electric valve; 21. Filter screen; 22. Sealing ring; 23. Mounting slot; 24. Mounting block; 25. Mounting bolt. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4This utility model provides an embodiment of an emergency water treatment system within a fire dike for a crude benzene storage tank. The system includes a fire dike 1, a first crude benzene storage tank 2, a second crude benzene storage tank 7, and a crude benzene venting tank 15. The first and second crude benzene storage tanks 2 and 7 are installed inside the fire dike 1. The crude benzene venting tank 15 is pre-embedded below the fire dike 1. A water collection pit 8 is provided inside the fire dike 1. A drainage pipe 10 is pre-embedded on the right side of the water collection pit 8, and a crude benzene discharge pipe 13 is pre-embedded on the left side of the water collection pit 8. Filter pipes are installed on both the drainage pipe 10 and the crude benzene discharge pipe 13. 11. A filter screen plate 21 is installed inside the filter tube 11. An inlet 19 is provided on the right side of the top of the crude benzene venting tank 15. The crude benzene discharge pipe 13 is connected to the inlet 19. A venting tank pump 14 is installed on the crude benzene venting tank 15. A radar level gauge 17 is installed inside the crude benzene venting tank 15. A return pipe 18 is fixedly connected to the output end of the venting tank pump 14. A first pipe 4 is installed on the left side of the return pipe 18. A second pipe 5 is installed on the right side of the return pipe 18. The first pipe 4 is connected to the first crude benzene storage tank 2. The second pipe 5 is connected to the second crude benzene storage tank 7.

[0025] A first control valve 3 is installed on the first pipeline 4, a second control valve 6 is installed on the second pipeline 5, an electric valve 20 is installed on both the drainage pipeline 10 and the crude benzene discharge pipeline 13, a first valve well 9 is installed on the outside of the drainage pipeline 10, and a second valve well 12 is installed on the outside of the crude benzene discharge pipeline 13.

[0026] Specifically, such as Figure 1 and Figure 2 As shown, rainwater or accident water can enter the sump pit 8 by gravity flow. During rainy weather, the valve on the drainage pipe 10 is opened, and the rainwater can flow into the plant's rainwater collection pool along the drainage pipe 10. Accident water can flow into the crude benzene venting tank 15 along the crude benzene discharge pipe 13. Then, the venting tank pump 14 can pump the crude benzene into the return pipe 18. The crude benzene flows into the first crude benzene storage tank 2 and the second crude benzene storage tank 7 through the return pipe 18, the first pipe 4 and the second pipe 5 respectively. This rapid collection of crude benzene in the event of an accident can reduce the volatilization of crude benzene and recover economic losses.

[0027] A sealing ring 22 is provided on the outside of the filter screen plate 21. The sealing ring 22 is tightly fitted to the inner wall of the filter tube 11. An installation block 24 is fixedly connected to the outside of the filter screen plate 21. An installation groove 23 is provided inside the filter tube 11. An installation bolt 25 is provided on the installation block 24. The installation block 24 is embedded in the installation groove 23 and fixed by the installation bolt 25.

[0028] Specifically, such as Figure 1 and Figure 3As shown, when rainwater or crude benzene is discharged in an accident, the filter screen 21 on the filter pipe 11 can prevent large particles of impurities inside the water collection pit 8 from entering the pipe. The filter screen 21 can be disassembled for cleaning. To disassemble, unscrew the mounting bolt 25 and then remove the mounting clip 24 from the mounting slot 23 to take out the filter screen 21.

[0029] The venting tank pump 14 is interlocked with the radar level gauge 17 to control the pump to start and stop automatically. The input end of the venting tank pump 14 is equipped with an extraction pipe 16, which is installed inside the crude benzene venting tank 15.

[0030] Specifically, such as Figure 1 and Figure 4 As shown, crude benzene flows into the crude benzene venting tank 15. The radar level gauge 17 can detect the liquid level inside the crude benzene venting tank 15. After the radar level gauge 17 detects a certain liquid level, it can control the start and stop of the venting tank pump 14. The venting tank pump 14 can pump the crude benzene into the crude benzene storage tank through the extraction pipe 16.

[0031] Working Principle: In use, rainwater or emergency water can flow into the collection pit 8 by gravity. During rainy weather, the valve on the drainage pipe 10 is opened, allowing rainwater to flow into the plant's rainwater collection pool. Emergency water can flow into the crude benzene venting tank 15 through the crude benzene discharge pipe 13. The radar level gauge 17 can detect the liquid level inside the crude benzene venting tank 15. After detecting a certain liquid level, the radar level gauge 17 can control the start and stop of the venting tank pump 14. The venting tank pump 14 can pump crude benzene into the crude benzene storage tank through the extraction pipe 16. Subsequently, the venting pump 14 can pump crude benzene into the return pipe 18. The crude benzene flows through the return pipe 18, the first pipe 4, and the second pipe 5 into the first crude benzene storage tank 2 and the second crude benzene storage tank 7, respectively, to quickly collect crude benzene in the event of an accident. When draining rainwater or crude benzene from an accident, the filter screen 21 on the filter pipe 11 can prevent large particles of impurities inside the collection pit 8 from entering the pipe. The filter screen 21 can be disassembled for cleaning. To disassemble, unscrew the mounting bolt 25 and then remove the mounting clip 24 from the mounting slot 23 to take out the filter screen 21. This structure achieves the function of easy filtration and anti-clogging.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An emergency water treatment system within a fire dike of a crude benzene storage tank, comprising a fire dike (1), a first crude benzene storage tank (2), a second crude benzene storage tank (7), and a crude benzene venting tank (15), characterized in that: The first crude benzene storage tank (2) and the second crude benzene storage tank (7) are installed inside the fireproof embankment (1). The crude benzene venting tank (15) is placed in a pit outside the fireproof embankment (1). A water collection pit (8) is provided inside the fireproof embankment (1). A drainage pipe (10) is pre-embedded on the right side inside the water collection pit (8), and a crude benzene discharge pipe (13) is pre-embedded on the left side inside the water collection pit (8). Filter pipes (11) are installed on both the drainage pipe (10) and the crude benzene discharge pipe (13). A filter screen (21) is installed inside the filter pipe (11). The top of the crude benzene venting tank (15) is... An inlet (19) is provided on the right side, and the crude benzene discharge pipe (13) is connected to the inlet (19). A venting tank pump (14) is installed on the crude benzene venting tank (15). A radar level gauge (17) is installed inside the crude benzene venting tank (15). A return pipe (18) is fixedly connected to the output end of the venting tank pump (14). A first pipe (4) is installed on the left side of the return pipe (18), and a second pipe (5) is installed on the right side of the return pipe (18). The first pipe (4) is connected to the first crude benzene storage tank (2), and the second pipe (5) is connected to the second crude benzene storage tank (7).

2. The emergency water treatment system inside the fire dike of a crude benzene storage tank according to claim 1, characterized in that: A first control valve (3) is installed on the first pipe (4), and a second control valve (6) is installed on the second pipe (5).

3. The emergency water treatment system inside the fire dike of a crude benzene storage tank according to claim 1, characterized in that: The venting tank pump (14) is interlocked with the radar level gauge (17) to control the pump to start and stop automatically. The input end of the venting tank pump (14) is equipped with an extraction pipe (16), and the extraction pipe (16) is installed inside the crude benzene venting tank (15).

4. The emergency water treatment system inside the fire dike of a crude benzene storage tank according to claim 1, characterized in that: Electric valves (20) are installed on both the drainage pipe (10) and the coarse benzene discharge pipe (13).

5. The emergency water treatment system inside the fire dike of a crude benzene storage tank according to claim 1, characterized in that: The drainage pipe (10) is equipped with a first valve well (9) on its exterior, and the coarse benzene discharge pipe (13) is equipped with a second valve well (12) on its exterior.

6. The emergency water treatment system inside the fire dike of a crude benzene storage tank according to claim 1, characterized in that: The filter screen (21) is provided with a sealing ring (22) on the outside, and the sealing ring (22) is tightly fitted to the inner wall of the filter tube (11).

7. The emergency water treatment system inside the fire dike of a crude benzene storage tank according to claim 1, characterized in that: The filter screen (21) is fixedly connected to the outside of the mounting block (24), the filter tube (11) is provided with a mounting slot (23), and the mounting block (24) is provided with mounting bolts (25).

8. The emergency water treatment system inside the fire dike of a crude benzene storage tank according to claim 7, characterized in that: The mounting block (24) is embedded inside the mounting slot (23) and fixed by the mounting bolt (25).

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