CN217557135U

CN217557135U - Drainage and leakage detection integrated system for buried oil storage tank

Info

Publication number: CN217557135U
Application number: CN202221399432.0U
Authority: CN
Inventors: 谭平; 赵宏伟
Original assignee: Shenyang Aluminium And Magnesium Engineering And Research Institute Co Ltd
Current assignee: Shenyang Aluminium And Magnesium Engineering And Research Institute Co Ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-11
Anticipated expiration: 2032-06-07

Abstract

The utility model provides a bury ground oil storage tank drainage and leak hunting integration system, belongs to oil warehousing and transportation technical field, still including setting up the well that drains that just is located prevention of seepage oil hole one side underground, the well bottom that drains is less than the bottom of prevention of seepage oil hole, one side that prevention of seepage oil hole bottom is close to the well that drains is equipped with the aqueduct, and ponding in the prevention of seepage oil hole leads to the well through the aqueduct, the well bottom that drains is equipped with the immersible pump, and the immersible pump links to each other with the pipeline that accesss to the well outside, be equipped with online oil detector and liquid level detector in the well that drains, liquid level detector links to each other with the immersible pump. The utility model arranges the sump pit at one side of the oil seepage prevention pit, and arranges the submersible pump and the pipeline in the sump pit, which is convenient for discharging the water in the sump pit; the leak detection function can be realized by arranging the online oil detector in the water collecting pit.

Description

Drainage and leakage detection integrated system for buried oil storage tank

Technical Field

The utility model belongs to the technical field of the oil warehousing and transportation, especially, relate to a bury ground oil storage tank drainage and leak hunting integration system.

Background

At present, in order to reduce the safety distance between the oil storage tank and the building and save the occupied land, part of the oil storage tank is arranged underground, but this also brings certain risks. For example, when an oil storage tank is arranged underground, leakage of the oil storage tank cannot be observed effectively in time, and once the buried oil storage tank leaks, soil and underground water are polluted, so that soil salinization and poisoning are caused, and soil destruction and waste are caused. In order to reduce the harm degree of oil leakage and reduce the range of oil leakage pollution, the periphery of a buried oil tank is often provided with anti-seepage pits, but accumulated water can exist in the anti-seepage pits due to improper construction or accident damage, the accumulated water can cause corrosion to the tank body, and the risk of oil leakage is increased. If can in time effectually get rid of the ponding in the anti-seepage hole, discover earlier that the oil storage tank leaks, just so can in time handle the problem fast, solve the problem, stop the pollution from the source, prevent the emergence of accident.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages and deficiencies of the prior art, the utility model provides a drainage and leakage detection integrated system and method for a buried oil storage tank, wherein a sump is arranged at one side of an anti-seepage oil pit, and a submersible pump and a pipeline are arranged in the sump, so that the drainage in the sump is convenient; the leak detection function can be realized by arranging the online oil detector in the water collecting pit.

In order to achieve the above object, the utility model discloses a main technical scheme include:

the utility model provides a bury ground oily storage tank drainage and leak hunting integrated system, is including setting up in the prevention of seepage oil hole in the underground, sets up in the prevention of seepage oil hole and buries the ground oil tank, still including setting up the drainage well that just is located prevention of seepage oil hole one side underground, the drainage well bottom is less than the bottom of prevention of seepage oil hole, one side that prevention of seepage oil hole bottom is close the drainage well is equipped with the aqueduct, and ponding in the prevention of seepage oil hole is leading-in to the drainage well through the aqueduct, the drainage well bottom is equipped with the immersible pump, and the immersible pump links to each other with the pipeline that accesss to the drainage well outside, be equipped with online oil detector and level detector in the drainage well, level detector links to each other with the immersible pump.

Furthermore, a fixing base is arranged at the bottom of the anti-seepage oil pit, the buried oil tank is fixed on the fixing base through a steel belt, a filtering area is arranged between the fixing base and the side wall close to one side of the drainage well, coarse gravel is arranged below the filtering area, fine gravel is arranged above the filtering area, and an isolation net is arranged above the fine gravel; the water guide pipe is L-shaped, one end of the water guide pipe is arranged at the bottom of the coarse gravel area of the anti-seepage oil pit, and the other end of the water guide pipe is arranged at the bottom of the drainage well.

Furthermore, a pipe orifice at one end of the water guide pipe arranged in the anti-seepage oil pit is inclined downwards by 45 degrees, and a stainless steel sand prevention net is arranged at the pipe orifice.

Furthermore, the particle size of the coarse crushed stone is 40-60mm, and the particle size of the fine crushed stone is 20-30mm.

Furthermore, the anti-seepage oil pit and the drainage well share the same well wall, the water guide pipe penetrates through the well wall, and a waterproof sleeve is arranged between the water guide pipe and the well wall.

Furthermore, the bottom side wall of the oil seepage prevention pit is provided with a slope, and the bottom side wall at the water guide pipe is the lowest point.

Further, protruding in the middle of the drain pit bottom, this arch and be close to form first sump pit between the lateral wall of prevention of seepage oil pit one side, and keep away from and form the second sump pit between the lateral wall of prevention of seepage oil pit one side, the one side mouth of pipe in the drain well is arranged in to the aqueduct is located first sump pit, the immersible pump sets up in the second sump pit.

The utility model has the advantages that:

1. the utility model discloses a bury ground oil storage tank drainage and leak hunting integrated system through set up the drainage well on prevention of seepage oil hole next door, and the guiding-in drainage well of ponding in the aqueduct will prevent seepage oil hole, and the cooperation sets up immersible pump and liquid level detector in the drainage well, realizes automatic drainage, reduces the corruption of ponding to burying ground oil storage tank. Whether the pipeline leaks can be detected while the drainage is realized by arranging the online oil detector in the drainage well, the utility model has the functions of drainage and leakage detection, and prevents the pollution of soil and underground water caused by oil leakage;

2. one end of the water guide pipe is positioned in the filtering area at the anti-seepage oil pit, the stainless steel sand control net is arranged at the pipe orifice, and the other end of the water guide pipe is arranged in the first water collecting pit of the drainage well, so that the quadruple filtering effect is realized, the fine sand in water at the position of the submersible pump is reduced, and the service life of the submersible pump is prolonged;

3. the utility model discloses the structure is easy to implement, investment cost is low, the utility model is suitable for a ground oil storage tank drainage and leak hunting in the shallow of ground water level, the abundant area of rainwater.

Drawings

Fig. 1 is the utility model discloses bury ground oil storage tank drainage and leak hunting integration system's schematic structure diagram.

The components in the figure: 1 is a buried oil tank; 2 is an anti-seepage oil pit; 3 is a steel belt; 4 is a reinforcing rib; 5 is fine crushed stone; 6 is coarse crushed stone; 7 is a stainless steel sand-proof net; 8 is a water guide pipe; 9 is a drainage well; 9-1 is a first sump; 9-2 is a second sump; 10 is a submersible pump; 11 is a fixed base; 12 is an operation well; 13 is an artificial channel; 14 is an on-line oil detector; 15 is a liquid level detector; 16 is a pipeline; 17 is a waterproof sleeve; 18 is fine sand.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

As shown in fig. 1, the utility model relates to a bury ground oil storage tank drainage and leak hunting integration system, including setting up in the prevention of seepage oil hole 2 in the underground, set up in the prevention of seepage oil hole 2 and bury

ground oil tank

1, 2 bottoms in the prevention of seepage oil hole are equipped with fixed base 11, concrete foundation promptly, bury ground oil tank 1 through steel band 3 be fixed in fixed base 11 on, be equipped with the fixed slot on the fixed base 11, 3 both ends of steel band set up reinforcing muscle 4, 3 both ends of steel band set up at the fixed slot internal fixation. And a drainage well 9 is arranged on one side of the anti-seepage oil pit 2, the drainage well 9 is also arranged underground, and the bottom of the drainage well 9 is lower than the bottom of the anti-seepage oil pit 2. In order to reduce the fine sand entering the drainage well, a filtering area is arranged between the fixed base 11 and the side wall close to one side of the drainage well 9, coarse crushed stones 6 are arranged below the filtering area, fine crushed stones 5 are arranged above the filtering area, and an isolation net is arranged above the fine crushed stones 5 to restrain the fine crushed stones 5 and the coarse crushed stones 6 below the filtering area. The particle size of the coarse crushed stone 6 is 40-60mm, and the particle size of the fine crushed stone 5 is 20-30mm. The seepage-proof oil pit 2 and the drainage well 9 share the same well wall, one side of the bottom of the seepage-proof oil pit 2, which is close to the drainage well 9, is provided with a water guide pipe 8, the bottom side wall of the seepage-proof oil pit 2 is provided with a slope, and the bottom side wall at the position of the water guide pipe 8 is the lowest point, so that accumulated water can flow out of the water guide pipe 8. The accumulated water in the anti-seepage oil pit 2 is led into a drainage well 9 through a water guide pipe 8, the water guide pipe 8 penetrates through the well wall, the bottom of the anti-seepage oil pit 2 is communicated with the bottom of the drainage well 9, the water in the anti-seepage oil pit 2 is quickly discharged by utilizing the principle of a communicating vessel, and the corrosion of the accumulated water on the buried oil tank 1 is prevented. The water guide pipe 8 is L-shaped, one end of the water guide pipe 8 is arranged at the bottom of the area of the coarse gravel 6 of the anti-seepage oil pit 2, and the other end of the water guide pipe 8 is arranged at the bottom of the drainage well 9. The water guide pipe 8 is arranged in the anti-seepage oil pit 2, a pipe orifice at one end of the water guide pipe is inclined downwards by 45 degrees, two matched flanges are welded at the pipe orifice, and a stainless steel sand prevention net 7 is clamped between the flanges and used for reducing fine sand flowing into the water guide pipe 8. A waterproof sleeve 17 is arranged between the water guide pipe 8 and the well wall to prevent water from flowing into the drainage well 9 from a gap between the water guide pipe 8 and the well wall without being filtered.

The middle of the bottom of the drainage pit 9 is raised, a first water collecting pit 9-1 is formed between the raised part and the side wall close to one side of the anti-seepage oil pit 2, a second water collecting pit 9-2 is formed between the raised part and the side wall far away from one side of the anti-seepage oil pit 2, a pipe orifice at one side, arranged in the drainage well 9, of the water guide pipe 8 is positioned in the first water collecting pit 9-1, the first water collecting pit 9-1 is used for separating fine sand in water, and the submersible pump 10 is arranged in the second water collecting pit 9-2. Immersible pump 10 links to each other with leading to the outside pipeline 16 of drainage well 9, be equipped with online oil detector 14 and level detector 15 in the drainage well 9, level detector 15 links to each other with immersible pump 10, and high liquid level starts the pump, and low liquid level stops the pump, realizes automatic drainage. The control of the start and stop of the submersible pump 10 by the level detector 15 is partly known in the art. The online oil detector 14 realizes automatic detection of oil in water, signals are transmitted to the main control room, and when the online monitor detects oil, the main control room gives an alarm, and the part is in the prior art. In order to facilitate subsequent operation, an operating well 12 is arranged above the buried oil tank 1 after the buried oil tank is fixed in the anti-seepage oil pit 2, fine sand 18 is buried around the operating well, and an artificial channel 13 is arranged above the drainage well 9.

When water is accumulated in the anti-seepage oil pit 2, the bottom of the anti-seepage oil pit 2 is obliquely arranged, the water is concentrated in a filtering area, and is filtered by the fine gravel 5 and the coarse gravel 6 and filtered by the stainless steel sand control net 7 at the port of the water guide pipe 8, the water is firstly discharged into the first water collecting pit 9-1 and then flows into the second water collecting pit 9-2, and a small amount of fine sand is precipitated in the first water collecting pit 9-1, so that the content of the fine sand in the water at the position of the submersible pump is low, and the service life of the submersible pump can be prolonged. When the accumulated water in the drainage well 9 reaches a certain amount, the liquid level detector 15 is connected with the submersible pump 10, the pump is started at a high liquid level, and is stopped at a low liquid level, so that automatic drainage is realized, and the pipeline 16 is drained into a rainwater pipe network. When the on-line oil monitor 14 does not give an alarm, water in the drainage well is drained into a rainwater pipe network through a pipeline 16 by the submersible pump 10; when the online oil detector 14 gives an alarm, the accumulated water is not discharged into the rainwater pipe network, and is discharged into the rainwater pipe network after being qualified through manual treatment.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a bury ground oily storage tank drainage and leak hunting integration system, is including setting up in secret prevention of seepage oil hole (2), sets up in prevention of seepage oil hole (2) and buries ground oil tank (1), its characterized in that: still including setting up at the underground and be located drainage well (9) of prevention of seepage oil hole (2) one side, drainage well (9) bottom is less than the bottom of prevention of seepage oil hole (2), one side that prevention of seepage oil hole (2) bottom is close drainage well (9) is equipped with aqueduct (8), and ponding in the prevention of seepage oil hole (2) is leading-in to drainage well (9) through aqueduct (8), drainage well (9) bottom is equipped with immersible pump (10), and immersible pump (10) link to each other with pipeline (16) leading to drainage well (9) outside, be equipped with online oil detector (14) and liquid level detector (15) in drainage well (9), liquid level detector (15) link to each other with immersible pump (10).

2. The integrated system for draining and detecting leakage of the buried oil storage tank according to claim 1, is characterized in that: a fixed base (11) is arranged at the bottom of the anti-seepage oil pit (2), the buried oil tank (1) is fixed on the fixed base (11) through a steel belt (3), a filtering area is arranged between the fixed base (11) and the side wall close to one side of the drainage well (9), coarse gravel (6) is arranged below the filtering area, fine gravel (5) is arranged above the filtering area, and an isolation net is arranged above the fine gravel (5); the water guide pipe (8) is L-shaped, one end of the water guide pipe (8) is arranged at the bottom of the area of the coarse gravel (6) of the anti-seepage oil pit (2), and the other end of the water guide pipe is arranged at the bottom of the drainage well (9).

3. The integrated system for draining and detecting leakage of the buried oil storage tank according to claim 2, characterized in that: the water guide pipe (8) is arranged at one end of the anti-seepage oil pit (2), the pipe orifice is arranged at 45 degrees downwards in an inclined mode, and a stainless steel sand prevention net (7) is arranged at the pipe orifice.

4. The integrated system for draining and detecting leakage of the buried oil storage tank according to claim 2, is characterized in that: the particle size of the coarse gravel (6) is 40-60mm, and the particle size of the fine gravel (5) is 20-30mm.

5. The integrated system for draining and detecting leakage of the buried oil storage tank according to claim 2, is characterized in that: the seepage-proof oil pit (2) and the drainage well (9) share the same well wall, the water guide pipe (8) penetrates through the well wall, and a waterproof sleeve (17) is arranged between the water guide pipe (8) and the well wall.

6. The integrated system for draining and detecting leakage of the buried oil storage tank according to claim 1, is characterized in that: the bottom side wall of the anti-seepage oil pit (2) is provided with a slope, and the bottom side wall at the water guide pipe (8) is the lowest point.

7. The integrated system for draining and detecting leakage of the buried oil storage tank according to claim 1, is characterized in that: the middle of the bottom of the drainage well (9) is raised, a first water collecting pit (9-1) is formed between the raised part and the side wall close to one side of the anti-seepage oil pit (2), a second water collecting pit (9-2) is formed between the raised part and the side wall far away from one side of the anti-seepage oil pit (2), a pipe orifice at one side, in which the drainage well (9) is arranged, of the water guide pipe (8) is positioned in the first water collecting pit (9-1), and the submersible pump (10) is arranged in the second water collecting pit (9-2).