Oil depot tank area pumping device

Abstract

The application provides an oil depot tank area pumping device, and belongs to the technical field of oil depot safety protection equipment. The technical scheme is as follows: an oil depot tank area pumping device comprises a water well, a communication hole is arranged in the side wall of the water well, the communication hole is communicated with the oil depot tank area, the height of the communication hole is lower than the height of the oil storage tank, a filter assembly is installed in the communication hole, the filter assembly can prevent sand in the oil depot tank area from entering the water well through the communication hole, a detection assembly and a water pumping pipe are arranged in the water well, the detection assembly is electrically connected with a control box outside the water well through a cable, and the upper end of the water pumping pipe is connected with the water inlet end of a water pump outside the water well. The application has the beneficial effect that when it is detected that there is water accumulation near the oil tank, the water accumulation can be pumped out in advance in time, so that the oil tank is protected in advance.

Description

Technical Field

[0001] This application belongs to the technical field of oil depot safety protection equipment, specifically relating to an oil depot tank area pumping device. Background Technology

[0002] Oil storage tanks are secured to an underground platform within the tank area by steel straps and surrounded by fine sand and soil. While this buried installation structure provides some protection for the tanks, it also makes it difficult to directly observe the internal conditions of the tank area, especially oil leaks, which cannot be detected visually. Once a perforation occurs in the storage tank or the steel straps loosen, causing an oil leak, the oil will gradually seep into the fine sand and soil layers. This will not only damage the soil structure and reduce soil fertility but also spread with groundwater, polluting surrounding water sources and causing irreversible damage to the ecological environment.

[0003] As shown in patent CN213456013U, the existing oil depot tank bottom leakage monitoring structure mainly includes a guide plate, an oil-sensing cable, an alarm, and supporting sensors and control terminals. The guide plate is laid entirely at the bottom of the oil tank, with an oil-guiding groove sloping towards the center on its upper surface. An oil leakage hole is located in the middle of the groove, and this hole communicates with a cable groove at the lower end of the guide plate. The oil-sensing cable is laid inside the cable groove, and a liquid level sensor and a temperature sensor are also installed inside the groove to assist in monitoring the tank bottom status. When oil leakage occurs at the bottom of the tank, the leaking oil first collects along the upper surface of the guide plate into the oil-guiding groove, then drips through the leakage hole onto the oil-sensing cable in the cable groove. This triggers a change in the electrical signal of the oil-sensing cable, and the relevant signal is transmitted to the alarm and computer via lead-out wires, ultimately realizing the leakage alarm function.

[0004] However, the existing structure can only trigger the alarm mechanism after oil has leaked and seeped into the bottom guide plate and dripped into the oil-sensing cable in the cable tray. At this point, the leaked oil has already passed through the bottom protective layer of the tank and entered the guide structure, and some oil has even seeped into the soil around the tank area. The fact of leakage and pollution has already occurred, making it completely impossible to prevent leakage and pollution in advance. Utility Model Content

[0005] This application addresses the problem that existing structures cannot provide early protection for oil tanks and can only carry out pumping operations after an oil leak occurs. It provides an oil depot tank area pumping device that can promptly pump out water when water accumulation is detected near the oil tank, thereby achieving early protection of the oil tank.

[0006] To solve the above problems, the technical solution adopted in this application is an oil depot tank area pumping device, including a water collection well. The side wall of the water collection well has a connecting hole that is connected to the oil depot tank area. The height of the connecting hole is lower than the height of the oil storage tank. A filter component is installed inside the connecting hole. The filter component can prevent sand from the oil depot tank area from entering the water collection well through the connecting hole. The inside of the water collection well is equipped with a detection component and a pumping pipe. The detection component is electrically connected to a control box outside the water collection well via a cable. The upper end of the pumping pipe is connected to the water inlet of a water pump outside the water collection well.

[0007] In this technical solution, a connecting hole is provided on the side wall of the water collection well, which is connected to the oil depot tank area. The height of the connecting hole is lower than the height of the oil storage tank. A filter component is installed inside the connecting hole, which can prevent sand from the oil depot tank area from entering the water collection well through the connecting hole. The inside of the water collection well is equipped with a detection component and a water pumping pipe. The detection component is electrically connected to the control box outside the water collection well via a cable. The upper end of the water pumping pipe is connected to the water inlet of the water pump outside the water collection well. Compared to the comparative paper's technical solution, which only passively pumps out water after a leak occurs in the tank, this solution uses sump wells around the tank and connecting holes lower than the tank's height to promptly guide accumulated water from the tank area into these wells. The filtration system intercepts sand and impurities in the tank area, preventing blockages in the sump wells and pipelines while ensuring smooth water flow. Detection components within the sump wells monitor the water level in real time and transmit relevant signals to an external control box via cable. The control box then activates a water pump to promptly pump out the water from the sump wells. This entire process eliminates the need to wait for the tank to leak due to corrosion; instead, it proactively removes water before it corrodes the tank, thus providing early protection and reducing the risk of long-term water immersion and corrosion leading to oil leaks and pollution.

[0008] Furthermore, the connecting holes are horizontally positioned. Horizontally positioned connecting holes allow water in the oil depot tank area to flow more smoothly and evenly into the sump, effectively preventing localized water stagnation in the tank area caused by tilted connecting holes. Simultaneously, it maintains the height difference between the connecting holes and the oil storage tanks, ensuring smooth water inflow without backflow into the tank area, thus laying the foundation for timely drainage of the water.

[0009] Furthermore, the filtration assembly includes a filter screen and shaped filter cotton. The filter screen is fixed to one end of the connecting hole near the water collection well, while the shaped filter cotton is located inside the connecting hole. One side of the shaped filter cotton contacts the sand in the oil depot tank area, and the other side contacts the filter screen. The shaped structure of the filter cotton prevents it from shifting under the impact of water flow. Together with the filter screen, it forms a double filtration protection, intercepting large particles of sand and soil impurities in the tank area and preventing fine sand particles from entering the water collection well. This effectively prevents blockage inside the water collection well and subsequent pipelines, ensuring the stable operation of the detection assembly and the smooth flow of the pumping pipeline. It avoids water pumping failure due to blockage, thereby maintaining the device's continuous protection capability for the oil tank.

[0010] Furthermore, the detection component is an explosion-proof and anti-static composite multi-media monitoring sensor. This component can monitor the liquid level in the water well and the presence of oil in the liquid. The sensor's explosion-proof and anti-static properties are fully compatible with the flammable and explosive high-risk conditions in oil depot tank areas, preventing safety accidents caused by sparks or static electricity during sensor operation. Simultaneously, its combined functions of liquid level monitoring and oil identification allow for real-time feedback on the water level in the water well to determine whether pumping is necessary, and also simultaneously identify any abnormalities such as oil tank leaks. This enables early water drainage to protect the oil tank while also providing early warning of oil leaks, thus improving the overall protective effectiveness of the device.

[0011] Furthermore, the cable is made of explosion-proof and waterproof rubber. This material can withstand the humid and water-prone environment of the tank area. Its waterproof performance prevents the cable sheath from aging and short-circuiting due to prolonged moisture exposure, while its explosion-proof properties prevent electrical sparks from igniting the oil and gas mixture around the tank due to a cable malfunction. This ensures stable and reliable signal transmission between the detection components and the control box, guaranteeing timely feedback of water accumulation monitoring data to the control terminal and providing a stable signal path for the timely issuance of water drainage commands.

[0012] Furthermore, an explosion-proof pressure, level, and oil level detection transmitter is connected to the cable, and this transmitter is located outside the water accumulation well. Placing the transmitter outside the well prevents it from being damaged by prolonged immersion in the well's water, extending its service life. Simultaneously, the transmitter can accurately quantify and calibrate the monitoring data collected by the detection components, compensating for the limitations of qualitative monitoring by sensors. This provides the control box with more precise level and oil concentration data, allowing for more accurate timing of water pumping and abnormal alarm triggering, improving the reliability of the device's protection. Its explosion-proof properties also make it suitable for the high-risk environment outside the tank area.

[0013] Furthermore, the control box is equipped with a buzzer alarm light that can emit audible and visual alarm signals. Compared to a single sound or light prompt, the dual audible and visual alarm of the buzzer alarm light has stronger recognition capabilities. Both on-site personnel and remote monitoring personnel can quickly detect abnormal operating conditions in the tank area. When the water level exceeds the standard or an oil leak is detected, the alarm light can promptly issue a warning, reminding personnel to intervene for verification and handling, preventing water accumulation from corroding the oil tank or the oil leak from expanding due to lack of attention. This forms a dual protection of automated pumping and manual intervention.

[0014] Furthermore, the water pump outlet is connected to one end of the drain pipe, and the other end of the drain pipe is connected to the inlet of the electric three-way reversing valve. The two outlets of the electric three-way reversing valve are connected to the rainwater well and the isolation tank, respectively. The electric three-way reversing valve can flexibly switch the discharge path according to the composition of the liquid in the sump. When only water is detected, it can be discharged to the rainwater well for routine water cleaning. If oil is detected in the liquid, it can be switched to the isolation tank to avoid direct discharge of oil and environmental and safety pollution. This design achieves differentiated and directional discharge, which not only meets the need for early protection against water accumulation, but also takes into account environmental protection and safety discharge regulations, improving the practicality and compliance of the device.

[0015] Furthermore, a one-way valve is installed at the lower end of the pumping pipe. This one-way valve prevents liquid in the pumping pipe from flowing back into the sump. After the pump stops working, the one-way valve blocks the backflow of residual liquid in the pumping pipe, preventing backflow from causing an abnormal rise in the sump level and preventing misjudgment of the liquid level from affecting the monitoring accuracy of the detection components. It also reduces the suction resistance when the pump restarts, allowing it to quickly enter working condition, improving the response speed of water pumping, and ensuring that the device can still stably achieve the protective function of early water pumping after start-stop cycles.

[0016] Furthermore, the pumping pipes are made of high-density polyethylene (HDPE). HDPE possesses excellent oil and corrosion resistance, can withstand the erosion of accumulated water in the tank area and potential oil erosion, and will not suffer pipeline corrosion or damage due to long-term contact with the medium. Its insulating and anti-static properties also meet the explosion-proof safety requirements of oil depots. At the same time, this material is lightweight, making it easy to install on-site, and has strong anti-aging capabilities, enabling it to adapt to the complex working conditions of underground or open-air tank areas for a long time, extending the service life of the pumping pipes, reducing the later maintenance costs of the equipment, and ensuring the long-term stable operation of the water pumping pipeline.

[0017] As can be seen from the above technical solutions, the beneficial effects of this application are as follows: 1. Achieve proactive protection of oil storage tanks by actively pumping out accumulated water in the tank area to prevent corrosion, thereby reducing the risk of oil leaks at the source and solving the problem of traditional solutions that only passively deal with oil leaks.

[0018] 2. Suitable for high-risk working conditions in oil depots, the components are explosion-proof and waterproof, and can separate and discharge accumulated water and oil, meeting safety and environmental protection standards.

[0019] 3. Stable and reliable operation, dual filtration to prevent clogging, precise monitoring and alarm linkage, reducing equipment failure and manual intervention costs. Attached Figure Description

[0020] To more clearly illustrate the technical solution of this application, the accompanying drawings used in the description will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a structural diagram illustrating a specific embodiment of this application.

[0022] In the diagram: 1. Oil depot tank area; 2. Oil storage tank; 3. Steel belt; 4. Shaped filter cotton; 5. Filter screen; 6. Detection component; 7. Check valve; 8. Pumping pipe; 9. Cable; 10. Explosion-proof pressure, level and oil detection transmitter; 11. Water pump; 12. Control box; 13. Buzzer alarm light; 14. Electric three-way reversing valve; 15. Rainwater well; 16. Isolation pool; 17. Screw; 18. Water collection well; 19. Connecting hole; 20. Filter component; 21. Drain pipe. Detailed Implementation

[0023] To make the objectives, features, and advantages of this application more apparent and understandable, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this application, and not all embodiments. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.

[0024] An oil depot tank area pumping device, such as Figure 1 As shown, it includes a water collection well 18, which is a vertical cavity structure and is located at the edge of the oil depot tank area 1. A connecting hole 19 is provided on its side wall, which penetrates the well wall of the water collection well 18, so that the interior of the water collection well 18 is connected to the oil depot tank area 1, forming a channel for the water in the oil depot tank area 1 to flow into the water collection well 18.

[0025] Oil storage tank 2 is arranged in the oil depot tank area 1 connected by the connecting hole 19. The oil storage tank 2 is surrounded by sand. A steel strip 3 is tied around the outside of the oil storage tank 2 in the circumferential direction. The steel strip 3 is fixedly connected to the surrounding sand by screws 17. The screws 17 penetrate into the sand, so that the steel strip 3 forms a fixed constraint on the oil storage tank 2. The oil depot tank area 1, oil storage tank 2, sand, steel strip 3 and screws 17 are all existing facilities of the oil depot. This device cooperates with the area through the connecting hole 19 to realize the collection of accumulated water.

[0026] A filter assembly 20 is installed inside the connecting hole 19. The filter assembly 20 consists of a shaped filter cotton 4 and a filter screen 5. The filter screen 5 is fixed at one end of the connecting hole 19 near the inside of the water well 18. The filter screen 5 is tightly fitted to the hole wall of the connecting hole 19. The shaped filter cotton 4 fills the internal space of the connecting hole 19. One side of the shaped filter cotton 4 is in contact with the sand in the oil depot tank area 1, and the other side is in contact with the filter screen 5, forming a filter structure covering the cross-section of the connecting hole 19.

[0027] The internal cavity of the water collection well 18 is equipped with a detection component 6 and a pumping pipe 8. The detection component 6 is fixed to the inner wall of the water collection well 18 by a bracket, and its detection end faces the bottom of the water collection well 18 to contact and detect the liquid in the well. The pumping pipe 8 is arranged vertically in the water collection well 18, and the lower end of the pumping pipe 8 extends to the vicinity of the bottom of the water collection well 18. A one-way valve 7 is installed at the lower end of the pumping pipe 8. The one-way valve 7 is fixedly connected to the end of the pumping pipe 8, allowing liquid to flow from the water collection well 18 into the pumping pipe 8.

[0028] A cable 9 is connected to the detection component 6. One end of the cable 9 is fixedly connected to the signal output terminal of the detection component 6, and the other end of the cable 9 passes through the opening at the top of the water well 18, extends to the outside of the water well 18, and is connected to the explosion-proof pressure level and oil detection transmitter 10. The explosion-proof pressure level and oil detection transmitter 10 is fixed on the ground outside the water well 18 by a bracket, maintaining a certain distance from the water well 18.

[0029] The explosion-proof pressure level and oil detection transmitter 10 is connected to the control box 12 via an extended cable 9. The control box 12 is located in the monitoring area of ​​the oil depot. A buzzer alarm light 13 is installed on the outer surface of the control box 12. The buzzer alarm light 13 is connected to the control module inside the control box 12 via wires to form an alarm signal transmission path.

[0030] The upper end of the pumping pipe 8 passes through the opening at the top of the sump 18 and is fixedly connected to the inlet of the pump 11. The pump 11 is set on the ground next to the sump 18. The outlet of the pump 11 is connected to one end of the drain pipe 21. The other end of the drain pipe 21 extends to the electric three-way reversing valve 14 and is fixedly connected to the inlet of the electric three-way reversing valve 14.

[0031] The electric three-way reversing valve 14 is fixed on the ground support. It has one inlet and two outlets. In addition to the inlet connected to the drain pipe 21, the two outlets of the electric three-way reversing valve 14 are respectively connected to the rainwater well 15 and the isolation pool 16 through pipes. One end of the pipe is fixed to the outlet of the electric three-way reversing valve 14, and the other end extends into the interior of the rainwater well 15 and the isolation pool 16 respectively, so that the electric three-way reversing valve 14 can selectively introduce liquid into the rainwater well 15 or the isolation pool 16.

[0032] Working process: Water in tank area 1 flows into water well 18 through connecting hole 19 under gravity, and filter component 20 intercepts sand and impurities; detection component 6 monitors the liquid level and liquid composition in water well 18 in real time, and the data is transmitted to explosion-proof pressure level and oil detection transmitter 10 via cable 9 and then sent to control box 12 after calibration; when the liquid level reaches the preset value and there is no oil, control box 12 controls water pump 11 to start and electric three-way reversing valve 14 to switch to rainwater well 15, and water is discharged into rainwater well 15 through pumping pipe 8, water pump 11, and drain pipe 21; if oil is detected, control box 12 triggers buzzer alarm light 13 to alarm, and at the same time controls electric three-way reversing valve 14 to switch to isolation pool 16, and oily liquid is discharged into isolation pool 16; when water pump 11 stops working, one-way valve 7 prevents liquid backflow and ensures that the device can respond quickly the next time it starts.

[0033] As can be seen from the above embodiments, the beneficial effects of this application are as follows: 1. Achieve proactive protection of oil storage tanks by actively pumping out accumulated water in the tank area to prevent corrosion, thereby reducing the risk of oil leaks at the source and solving the problem of traditional solutions that only passively deal with oil leaks.

[0034] 2. Suitable for high-risk working conditions in oil depots, the components are explosion-proof and waterproof, and can separate and discharge accumulated water and oil, meeting safety and environmental protection standards.

[0035] 3. Stable and reliable operation, dual filtration to prevent clogging, precise monitoring and alarm linkage, reducing equipment failure and manual intervention costs.

[0036] The above description of the disclosed embodiments enables those skilled in the art to make or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pumping device for oil depot tank farms, characterized in that, The system includes a water collection well (18), with a connecting hole (19) on the side wall of the water collection well (18). The connecting hole (19) is connected to the oil depot tank area (1), and the height of the connecting hole (19) is lower than the height of the oil storage tank (2). A filter assembly (20) is installed inside the connecting hole (19). The filter assembly (20) can prevent sand from the oil depot tank area (1) from entering the water collection well (18) through the connecting hole (19). The water collection well (18) is equipped with a detection assembly (6) and a water pumping pipe (8). The detection assembly (6) is electrically connected to the control box (12) outside the water collection well (18) through a cable (9). The upper end of the water pumping pipe (8) is connected to the water inlet of the water pump (11) outside the water collection well (18).

2. The oil depot tank area pumping device according to claim 1, characterized in that, The connecting hole (19) is set horizontally.

3. The oil depot tank area pumping device according to claim 1, characterized in that, The filter assembly (20) includes a filter screen (5) and a shaped filter cotton (4). The filter screen (5) is fixed to one end of the connecting hole (19) near the water well (18). The shaped filter cotton (4) is located inside the connecting hole (19), and one side of the shaped filter cotton (4) is in contact with the sand in the oil depot tank area (1), and the other side is in contact with the filter screen (5).

4. The oil depot tank area pumping device according to claim 1, characterized in that, The detection component (6) is an explosion-proof and anti-static composite multi-media monitoring sensor. The detection component (6) can monitor the liquid level in the water well (18) and whether there is oil in the liquid.

5. The oil depot tank area pumping device according to claim 1, characterized in that, The cable (9) is made of explosion-proof and waterproof rubber material.

6. The oil depot tank area pumping device according to claim 1, characterized in that, An explosion-proof pressure level and oil level detection transmitter (10) is connected to the cable (9), and the explosion-proof pressure level and oil level detection transmitter (10) is located outside the water well (18).

7. The oil depot tank area pumping device according to claim 1, characterized in that, The control box (12) is equipped with a buzzer alarm light (13), which can emit an audible and visual alarm signal.

8. The oil depot tank area pumping device according to claim 1, characterized in that, The outlet of the water pump (11) is connected to one end of the drain pipe (21), and the other end of the drain pipe (21) is connected to the inlet of the electric three-way reversing valve (14). The two outlets of the electric three-way reversing valve (14) are connected to the rainwater well (15) and the isolation pool (16), respectively.

9. The oil depot tank area pumping device according to claim 1, characterized in that, A one-way valve (7) is installed at the lower end of the pumping pipe (8). The one-way valve (7) can prevent the liquid in the pumping pipe (8) from flowing back into the sump (18).

10. The oil depot tank area pumping device according to claim 1, characterized in that, The water pump pipe (8) is made of high-density polyethylene.

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