Water supply system of ground torch water-sealed tank

Abstract

The utility model discloses a ground torch water-sealed tank water supply system which comprises a main water supply pipeline, a standby water supply pipeline, a medium pipeline, a first valve, a first check valve, a second valve and a second check valve. The main water supply pipeline is configured to supply water to the water sealing tank; the standby water supply pipeline is configured to be started when the main water supply pipeline breaks down; the input end of the standby water supply pipeline is communicated with the main water supply pipeline, and the output end of the standby water supply pipeline is communicated with the medium pipeline; the input end of the main water supply pipeline is connected with a water source, and the output end of the main water supply pipeline is communicated with the bottom of the water-sealed tank; the first valve and the first check valve are arranged on the standby water supply pipeline; the second valve and the second check valve are arranged on the main water supply pipeline; the second valve is arranged at the position close to the bottom of the water-sealed tank and is tightly attached to the bottom of the water-sealed tank. The problems that oil stains, fine powder and other impurities existing in the water-sealed tank are easily accumulated on the water supply line, the water supply line is blocked, and normal water supply cannot be achieved are solved.

Description

Technical Field

[0001] The present application relates to the field of petrochemical technology, and in particular to a ground flare water seal tank water supply system. Background Art

[0002] In petrochemical, oil refinery, chemical plant and other industrial fields, the flare system is widely used as an important safety facility to treat combustible and combustible toxic gases and steam that cannot be recovered and reprocessed. With the continuous improvement of environmental protection and safety standards, ground flares, as a new type of combustion equipment, have gradually attracted widespread attention and application due to their unique advantages, such as completely enclosed flames, no light pollution, no heat radiation, low noise, no steam consumption, low operating costs and small footprint.

[0003] The ground flare system is mainly composed of a vertical combustion tower, an ignition and control system, a burner, and a horizontal water seal tank. Among them, the water seal tank is a key component of the ground flare system. Its main function is to effectively isolate the low-pressure ground flare system from the production equipment to prevent the occurrence of flashback. Under normal working conditions, the water inlet of the water seal tank is connected to a water supply pipeline, and a pneumatic shut-off valve is installed on the pipeline. The system automatically controls the opening and closing of the valve according to the liquid level of the water seal tank, realizing the automatic management of automatic water supply at low liquid level and automatic valve closing at high liquid level.

[0004] However, in actual operation, since the water supply pipeline is located at the bottom of the water seal tank and the check valve is far away from the pipe mouth, when the automatic control valve is closed to stop the water supply, impurities such as oil and fine powder in the water seal tank are easy to accumulate on the water supply line, causing the water supply line to be blocked and unable to supply water normally. This blockage phenomenon not only affects the normal operation of the ground flare system, but also poses a potential threat to the safe production of the factory. Utility Model Content

[0005] The present application provides a water supply system for a ground flare water seal tank, which solves the problem that in actual operation, since the water supply pipeline is located at the bottom of the water seal tank and the check valve is far away from the pipe mouth, when the automatic control valve is closed to stop the water supply, impurities such as oil, fine powder, etc. in the water seal tank are easily accumulated on the water supply line, causing the water supply line to be blocked and unable to supply water normally, which not only affects the normal operation of the ground flare system, but also may pose a potential threat to the safe production of the factory.

[0006] The present application provides a water supply system for a ground flare water seal tank, comprising a main water supply pipeline, a backup water supply pipeline, a medium pipeline, a first valve, a first check valve, a second valve, and a second check valve; the main water supply pipeline is configured to supply water to the water seal tank; the backup water supply pipeline is configured to be activated when the main water supply pipeline fails; the input end of the backup water supply pipeline is connected to the main water supply pipeline, and the output end of the backup water supply pipeline is connected to the medium pipeline; the input end of the main water supply pipeline is connected to a water source, and the output end of the main water supply pipeline is connected to the bottom of the water seal tank; the first valve and the first check valve are both arranged on the backup water supply pipeline; the second valve and the second check valve are both arranged on the main water supply pipeline; the first valve is arranged near the medium pipeline; the second valve is arranged near the bottom of the water seal tank and fits tightly with the bottom of the water seal tank.

[0007] In a possible implementation, a heating pipeline is further included; the heating pipeline is arranged on the backup water supply pipeline.

[0008] In a possible implementation, it also includes a dredging pipe and a dredging valve; the dredging pipe is connected to the main water supply pipe and is vertically arranged on the main water supply pipe close to the second valve; the dredging valve is arranged on the dredging pipe.

[0009] In a possible implementation, both the main water supply pipeline and the backup water supply pipeline are provided with insulation materials.

[0010] In a possible implementation, the angle between the standby water supply pipeline and the medium pipeline is 80 degrees.

[0011] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0012] The embodiment of the present application provides a water supply system for a ground flare water seal tank. The system is equipped with a main water supply pipeline and a backup water supply pipeline. When the main water supply pipeline cannot supply water due to a fault, the backup water supply pipeline can be quickly started and supplied with water, thereby ensuring that the water seal tank continuously and stably obtains the required amount of water, and improving the reliability of the entire system. By respectively arranging a second check valve and a first check valve on the main water supply pipeline and the backup water supply pipeline, the reverse flow of water can be effectively prevented, the risk of medium contamination and pipeline damage can be avoided, and the safety of the system is enhanced. In the actual operation process, the problem that the water supply pipeline is located at the bottom of the water seal tank and the check valve is far away from the pipe mouth, when the automatic control valve is closed to stop the water supply, the impurities such as oil, fine powder, etc. in the water seal tank are easily accumulated on the water supply line, resulting in blockage of the water supply line and failure to supply water normally, not only affecting the normal operation of the ground flare system, but also posing a potential threat to the safe production of the factory. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments of the present application or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 A first schematic diagram of a ground flare water seal tank water supply system provided in an embodiment of the present application;

[0015] Figure 2 A second schematic diagram of the ground flare water seal tank water supply system provided in an embodiment of the present application.

[0016] Figure markings: 1-main water supply pipeline; 2-backup water supply pipeline; 3-medium pipeline; 4-first valve; 5-first check valve; 6-second valve; 7-second check valve; 8-water seal tank; 9-heating pipeline; 10-dredge pipeline; 11-dredge valve. DETAILED DESCRIPTION

[0017] In the description of the embodiments of the present application, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0018] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0019] Figure 1The first schematic diagram of the ground flare water seal tank water supply system provided in the embodiment of the present application is as follows: Figure 1 As shown, the water supply system of the ground flare water seal tank 8 includes a main water supply pipeline 1, a backup water supply pipeline 2, a medium pipeline 3, a first valve 4, a first check valve 5, a second valve 6, and a second check valve 7; the main water supply pipeline 1 is configured to supply water to the water seal tank 8; the backup water supply pipeline 2 is configured to be activated when the main water supply pipeline 1 fails; the input end of the backup water supply pipeline 2 is connected to the main water supply pipeline 1, and the output end of the backup water supply pipeline 2 is connected to the medium pipeline 3; the input end of the main water supply pipeline 1 is connected to a water source, and the output end of the main water supply pipeline 1 is connected to the bottom of the water seal tank 8; the first valve 4 and the first check valve 5 are both arranged on the backup water supply pipeline 2; the second valve 6 and the second check valve 7 are both arranged on the main water supply pipeline 1; the first valve 4 is arranged near the medium pipeline 3; the second valve 6 is arranged near the bottom of the water seal tank 8 and fits tightly with the bottom of the water seal tank 8.

[0020] Specifically, the main water supply pipeline 1, as the main water supply channel, directly connects the water source and the water seal tank 8 to ensure that the water seal tank 8 obtains continuous and stable water supply under normal working conditions. The main water supply pipeline 1 is installed with a second valve 6 and a second check valve 7. The second valve 6 is close to the bottom of the water seal tank 8 to ensure that the water flows directly and efficiently into the water seal tank 8. The second check valve 7 prevents the backflow of water to ensure the safety of the system. This setting method can provide a direct and efficient water supply path to ensure the water supply demand of the water seal tank 8. The setting of the check valve enhances the safety of the system. When the main water supply pipeline 1 fails or requires maintenance, the backup water supply pipeline 2 can be quickly activated to ensure that the water supply of the water seal tank 8 is not interrupted. The backup water supply pipeline 2 is provided with a first valve 4 and a first check valve 5. The first valve 4 is arranged near the medium pipeline 3 to prevent the medium from passing through the backup water supply pipeline 2.

[0021] Further, there is an 80-degree inclination angle between the standby water supply pipeline 2 and the medium pipeline 3. When the system starts or stops supplying water, there may be water flow fluctuations or residues in the pipeline. This inclination angle can help the water flow back to the water seal tank 8 smoothly instead of being stranded in the pipeline. Therefore, by selecting a suitable inclination angle, it can be ensured that water can be discharged or refluxed in time in the event of system abnormality or emergency, thereby reducing the risk of system damage or leakage. It should be noted that 80 degrees is not a fixed value. In practical applications, this angle may need to be adjusted according to factors such as specific system design, operating conditions, and medium properties. No matter what angle is chosen, it should be ensured that the system can operate safely and effectively and comply with relevant standards and regulations. The present application ensures the reliability of water supply through a double-pipe design of the main water supply pipeline 1 and the standby water supply pipeline 2, and can ensure that a certain liquid level is always maintained in the water seal tank 8 to play a sealing role. The setting of valves and check valves can effectively prevent water flow backflow and ensure system safety. The compact structural design reduces floor space and is easy to install and maintain.

[0022] It should be noted that the medium pipeline 3 is usually used to discharge or treat the medium in the flare system, such as exhaust gas. In the flare system, there are usually two medium pipelines 3, with sizes of 16 inches and 3 inches respectively. The backup water supply pipeline 2 of this application is connected to the medium pipeline 3 with a size of 16 inches because the diameter of the 16-inch medium pipeline 3 is large enough to ensure that the discharge of the medium pipeline 3 will not be affected when the water source is input through the backup water supply pipeline 2. The medium pipeline 3 is connected to the backup water supply pipeline 2, and through reasonable layout and connection, the smooth transmission of water flow is realized, the utilization efficiency of water resources is improved, and the reasonable layout reduces energy consumption and losses.

[0023] Specifically, the water supply system of the ground flare water seal tank 8 also includes a heat tracing line 9; the heat tracing line 9 is arranged on the standby water supply pipe 2. Considering that in some cases, especially in cold climates, the water in the standby water supply pipe 2 may freeze or freeze, thereby affecting the normal operation of the standby water supply pipe 2. The main function of the heat tracing line 9 is to provide heat to prevent the water in the standby water supply pipe 2 from freezing or freezing. It maintains the water temperature in the pipe by heating to ensure that the pipe can supply water normally under any environmental conditions. In order to ensure that the standby water supply pipe 2 can remain unobstructed in a cold environment, the heat tracing line 9 is arranged on the standby water supply pipe 2. The heat tracing line 9 is arranged on the standby water supply pipe 2 and fits closely with it to ensure that heat can be effectively transferred to the standby water supply pipe 2. The length of the heat tracing line 9 is usually matched with the length of the standby water supply pipe 2 to ensure that the entire standby water supply pipe 2 can be evenly heated. The heat tracing line 9 usually adopts an energy-efficient heating method, such as electric heating or steam heating, which helps to reduce energy consumption and emissions. The main water supply pipeline 1 may also be provided with a heating pipeline 9 .

[0024] Specifically, the water supply system of the ground flare water seal tank 8 also includes a dredging pipe 10 and a dredging valve 11; the dredging pipe 10 is connected to the main water supply pipe 1 and is vertically arranged at the main water supply pipe 1 near the second valve 6; the dredging valve 11 is arranged on the dredging pipe 10. This vertical design makes it more convenient to clean the blockage, and the blockage can be directly discharged by gravity or external force. The dredging valve 11 is arranged on the dredging pipe 10 to control the opening and closing of the dredging pipe 10. When the main water supply pipe 1 is blocked, the other valves on the main water supply pipe 1 can be closed, and then the dredging valve 11 can be opened, and the main water supply pipe 1 can be cleaned using the dredging pipe 10. By timely cleaning the blockage in the main water supply pipe 1, equipment damage and wear caused by pipe blockage can be avoided, thereby extending the service life of the equipment.

[0025] Specifically, both the main water supply pipe 1 and the backup water supply pipe 2 are provided with insulation materials. The main function of the insulation material is to reduce the heat exchange between the water temperature in the pipe and the external environment, and to maintain the stability of the water temperature in the pipe. This is of great significance for preventing the pipe from freezing in a cold environment, maintaining the normal operation of the system, and improving energy efficiency. Insulation materials usually select materials with good thermal insulation performance, corrosion resistance, wear resistance and fire resistance, such as rubber and plastic insulation materials, glass fiber insulation materials, etc. These materials can effectively reduce heat loss and improve the thermal insulation effect of the pipe. The insulation material should fit tightly to the surface of the pipe to ensure that there are no gaps and no exposed parts. It can be installed by wrapping, applying or spraying, and the specific method depends on the shape, size and working environment of the pipe.

[0026] Figure 2 The second schematic diagram of the ground flare water seal tank water supply system provided in the embodiment of the present application, during the use of the ground flare water seal tank 8 water supply system provided in the embodiment of the present application, when the water seal tank 8 has a low liquid level alarm, the pneumatic shut-off valve on the pipeline opens automatically, and the system automatically supplies water according to the liquid level on the water seal tank 8, and the valve is automatically closed after the liquid level reaches the control level. The first valve 4 on the standby water supply pipeline 2 is normally closed, and the water seal tank 8 uses the main water supply pipeline 1 for water supply. When the water supply time of the water seal tank 8 becomes longer than before, the operator can judge that the main water inlet pipeline is blocked. At this time, it is necessary to close the second valve 6 on the main water inlet pipeline and open the first valve 4 on the standby water supply pipeline 2 for water supply, thereby realizing the liquid level control of the water seal tank 8. After the pipeline is unblocked, the operator switches back to the original main water supply pipeline 1 for water supply, and closes the first valve 4 of the standby water supply pipeline 2.

[0027] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other. Each embodiment focuses on the differences from other embodiments.

[0028] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some or all of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the present application.

Claims

1. A ground flare water seal tank water supply system, characterized in that: It comprises a main water supply pipeline (1), a backup water supply pipeline (2), a medium pipeline (3), a first valve (4), a first check valve (5), a second valve (6), and a second check valve (7); The main water supply pipeline (1) is configured to supply water to the water sealing tank (8); The backup water supply pipeline (2) is configured to be activated when the main water supply pipeline (1) fails; The input end of the standby water supply pipeline (2) is in communication with the main water supply pipeline (1), and the output end of the standby water supply pipeline (2) is in communication with the medium pipeline (3); The input end of the main water supply pipeline (1) is connected to a water source, and the output end of the main water supply pipeline (1) is connected to the bottom of the water seal tank (8); The first valve (4) and the first check valve (5) are both arranged on the standby water supply pipeline (2); The second valve (6) and the second check valve (7) are both arranged on the main water supply pipeline (1); The first valve (4) is arranged close to the medium pipeline (3); The second valve (6) is arranged near the bottom of the water seal tank (8) and is tightly fitted to the bottom of the water seal tank (8).

2. The ground flare water seal tank water supply system according to claim 1, characterized in that: Also included is a heat tracing line (9); The heating pipeline (9) is arranged on the backup water supply pipeline (2).

3. The ground flare water seal tank (8) water supply system according to claim 1, characterized in that: It also includes a dredging pipeline (10) and a dredging valve (11); The dredging pipe (10) is in communication with the main water supply pipe (1) and is vertically arranged on the main water supply pipe (1) near the second valve (6); The dredging valve (11) is arranged on the dredging pipeline (10).

4. The ground flare water seal tank water supply system according to claim 1, characterized in that: The main water supply pipeline (1) and the backup water supply pipeline (2) are both provided with thermal insulation materials.

5. The ground flare water seal tank water supply system according to claim 1, characterized in that: The included angle between the standby water supply pipeline (2) and the medium pipeline (3) is 80 degrees.

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