CN217674657U - Buried oil storage device of gas station - Google Patents

Abstract

The utility model discloses a buried oil storage device of a gas station, which comprises an oil tank, a liquid level meter, a pressure detection element and an oil discharge pipeline, wherein the liquid level meter, the pressure detection element and the oil discharge pipeline are arranged on the oil tank; the sealing box is installed in an underground pit groove, the inner wall of the pit groove is sprayed and poured by concrete, a concrete installation cavity is formed, a top plate exposed out of the ground is detachably installed on the top of the concrete installation cavity in a covering mode, and the sealing box is completely sealed in the concrete installation cavity through the top plate; in addition, this oil storage device still includes at least one combustible gas detector, and the detection end of combustible gas detector is installed in the space between oil tank and the box. This formula oil storage device is buried to filling station easily installs and maintains, is difficult for revealing, and safety ring protects.

Description

Buried oil storage device of gas station

Technical Field

The utility model relates to a filling station oil storage equipment field specifically is a bury formula oil storage device filling station.

Background

The fuel oil of all fuel dispensers in the gasoline station comes from oil tanks, and at present, the oil tanks are mainly of a ground type and a buried type, and the buried type is safer and more reliable because of being widely adopted. When the existing underground tank is installed, the existing underground tank is usually directly buried underground and protected by soil layers, but when leakage occurs due to the fact that an oil tank is overhauled for a long time, soil is polluted, and fuel oil, particularly oil gas generated due to volatilization, escapes from the ground to cause unfortunate safety accidents. Based on the installation mode that the oil tank is directly buried underground, the oil unloading pipelines, the pressure gauge, the liquid level meter and the like which are installed on the oil tank are directly communicated with the inside of the oil tank in a contact manner, and the pipelines are usually directly inserted into the oil tank and are welded and sealed, so that the later-period maintenance is not facilitated, and the whole tank body and the accessory parts of the tank body can be completely scrapped to a great extent.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a bury formula oil storage device in filling station to solve prior art, during the filling station oil storage, the fuel is revealed easily, the polluted environment, and be difficult to carry out daily fortune dimension, inconvenient local problem of changing, maintaining.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

a buried oil storage device of a gas station comprises an oil tank, a liquid level meter, a pressure detection element and an oil discharge pipeline, wherein the liquid level meter, the pressure detection element and the oil discharge pipeline are installed on the oil tank; the sealing box is arranged in a pit groove under the ground, the inner wall of the pit groove is sprayed and poured by concrete to form a concrete installation cavity, the top of the concrete installation cavity is detachably covered and provided with a top plate exposed out of the ground, and the sealing box is completely sealed in the concrete installation cavity by the top plate; in addition, this oil storage device still includes at least one combustible gas detector, the detection end of combustible gas detector is installed in the space between oil tank and the box.

The liquid level meter comprises a guide cylinder, a guide rod, a floating disc, a sealing plate, a distance sensor and a display part, wherein the guide cylinder is vertically installed in the oil tank, a plurality of oil passing holes are formed in the side wall of the bottom end of the guide cylinder, the guide rod is coaxially and fixedly installed in the guide cylinder, the floating disc is installed on the guide rod in an axial sliding fit mode, the sealing plate is fixedly plugged at the end part of one end, exposed out of the top plate, of the guide cylinder, the distance sensor is fixed on the sealing plate, the distance sensor is used for detecting the position height of the floating disc, and detected height information is transmitted to the display part to be displayed.

In the above structure, the floating disc is of a bead-shaped structure, and the inner arc-shaped side wall and the outer arc-shaped side wall of the floating disc are respectively in smooth contact with the guide rod and the inner wall of the guide cylinder. The bottom rigid coupling in the oil tank has a mount pad, the seat hole of mount pad is including being located the horn hole on upper portion and being located the cylinder hole of lower part, the cylinder hole supplies the bottom of guide cylinder is coaxial slidable formula to be inserted, just also be equipped with a plurality of on the pore wall in cylinder hole crosses the oilhole. And, the display part contains the calculation chip, and the calculation chip is used for converting the floating plate height signal that the distance sensor gathered into the volume of liquid in the oil tank and shows on the display part.

Preferably, the number of the distance sensors is 4, the distance sensors are arranged above the floating plate in an annular mode at uniform intervals, and the computing chip is used for computing the average value of the values acquired by the 4 distance sensors. Meanwhile, a buzzer alarm connected with the display part is further arranged, and when the difference between the maximum value and the minimum value is at a set value in data detected by the 4 distance sensors, the buzzer alarm works.

On the basis of the structural design, the guide cylinder, the oil unloading pipeline and the protective cylinder for mounting the pressure detection element are respectively and hermetically mounted on the oil tank through a quick-release sealing connection part; the quick-release sealing connecting part comprises a plurality of picking blocks fixed on the outer surface of the oil tank, all the picking blocks are enclosed into a circle, a pressing ring coaxially and fixedly connected to the outer wall of the guide cylinder or the oil unloading pipeline or the protective cylinder is arranged in the center of the circle of picking blocks, a pressing plate sleeved on the guide cylinder or the oil unloading pipeline or the protective cylinder is pressed on the upper end face of the pressing ring, at least one sealing gasket sleeved on the guide cylinder or the oil unloading pipeline or the protective cylinder is arranged on the lower end face of the pressing ring, and the pressing plate is connected with the picking blocks through bolts and enables the pressing ring to tightly press the sealing gasket on the oil tank.

Particularly, the utility model provides a choose the piece and be the L type that comprises two plate bodys that link to each other perpendicularly, wherein a plate body is vertical to be fixed on the oil tank surface, and another plate body level sets up in the oil tank top, and another plate body with bolted connection between the pressure disk. In order to facilitate sealing, the guide cylinder or the oil unloading pipeline or the protective cylinder respectively penetrates through an O-shaped ring arranged in the box cover and then extends out of the top plate, so that the corresponding pipe fittings can be kept relatively sealed when penetrating through the box cover.

(III) advantageous effects

The utility model provides a formula oil storage device is buried to filling station mainly possesses following beneficial effect: adopt installation cavity that oil tank, seal box, concrete sclerosis layer constitute, realize the embedded installation of multilayer, protection to the oil tank, fuel and oil gas are difficult for revealing, fire prevention and explosion-proof even if the oil tank reveals also can not crisis soil and groundwater, and sets up detachable case lid and roof, the routine maintenance of being convenient for, which part breaks down can the direct replacement installation, needn't dig the connection and the sealed condition that soil can easily observe oil tank and corresponding component.

Meanwhile, the combustible gas detector can give an alarm when detecting that the space outside the oil tank has a certain amount, so that maintenance personnel can quickly deal with the combustible gas detector. Meanwhile, the specially designed liquid level meter is simple and reliable in structure, low in requirement on environment and not prone to clamping stagnation, can be used as a liquid level detector or used for assisting or comparing with an existing liquid level meter, and ensures that the liquid level detection function is reliable all the time. And moreover, a special quick-release sealing connecting part is designed at the connecting part of the oil tank, so that the sealing reliability is ensured while the oil tank is quickly assembled and disassembled, and the fuel oil or oil gas is prevented from leaking as fully as possible.

Drawings

FIG. 1 is a schematic structural diagram of a buried oil storage device of a gas station;

FIG. 2 is a cross-sectional view at a float plate within the gauge;

FIG. 3 is a top view of the float plate with 4 distance sensors;

FIG. 4 is a schematic view of the structure and sealed installation of the gauge of FIG. 1 in an oil tank;

fig. 5 is a schematic structural view of the oil discharge pipeline in fig. 1 being installed in a sealing manner through a quick-release sealing connection portion.

In the figure: the device comprises a concrete hardening layer 1, a seal box 2, a support 3, an oil tank 4, a tank cover 5, a top plate 6, a liquid level meter 7, a guide cylinder 701, a guide rod 704, a floating disc 703, a combustible gas detector 8, an oil unloading pipeline 9, a pressure detection element 10, an explosion-proof material 11, a mounting seat 12, a cantilever block 13, a fastening bolt 14, a pressure plate 15, an O-shaped ring 16, a sealing washer 17, a pressure ring 18, a distance sensor 19, a sealing plate 20 and a display part 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As an embodiment, a buried oil storage device of a gas station is described herein, and structurally, referring to fig. 1, it also includes an oil tank 4, a liquid level meter 7 mounted on the oil tank 4, a pressure detecting element 10 and an oil discharge pipeline 9. Meanwhile, the buried oil storage device of the gas station is also filled with honeycomb-shaped explosion-proof materials 11 in the oil tank 4, the oil tank 4 is supported and installed in a steel seal box 2 through a plurality of auxiliary supports 3, and the supports 3 can be semicircular supports 3 so as to stably place and fix the cylindrical oil tank 4 after being placed. The cover 5 of the sealed box 2 is detachably sealed on the top opening of the box body, so that the cover 5 can be removed or covered during installation, and the cover can be in a common fixing form such as bolt connection and the like. More specifically, the seal box 2 of the present embodiment is installed in an underground pit, except that the inner wall of the pit is formed by concrete spraying and casting to form a concrete curing layer 1, thereby forming a concrete installation cavity, such as an installation cavity of a rectangular parallelepiped structure, and a top plate 6 exposed to the ground is detachably mounted on the top of the concrete installation cavity in a covering manner, the top plate 6 completely encloses the seal box 2 in the concrete installation cavity, and the top plate 6 is detachably mounted, and is also detachably mounted, so that the oil tank 4 is installed in the seal box 2, the cover 5 is covered, and then the top plate 6 is covered, thereby achieving double-layer sealing protection of the oil tank 4, and the top plate 6 is used as both the seal box 2 and the oil tank 4 and also as a support platform for people to step on to observe corresponding instrument components and connect pipes during oil unloading. Based on above structure, this oil storage device still includes at least one combustible gas detector 8 that has alarming function, and the detection end of combustible gas detector 8 is installed in the space between oil tank 4 and the box, and whether mainly used detects to have combustible gas between oil tank 4 and the box, when detecting to have certain combustible gas, just need overhaul the maintenance oil tank 4 immediately, look over the leakproofness between the corresponding adapting unit and the integrality of the jar body to in time release combustible gas, guarantee safety.

The liquid level meter 7 of this embodiment may adopt a common magnetostrictive liquid level meter, but although the precision of such a most common liquid level meter is extremely high, the error range may reach 0.01%, but the requirement on the environment is also high, for example, the anti-interference capability is poor, and the most common liquid level meter cannot be used in places with strong electromagnetic radiation such as power plants, because of the magnetic principle, the sealing requirement of the corresponding floating ball is strict, the viscous medium cannot be measured, and another bigger limitation is that the rubber housing outside the floating ball must keep a good clearance fit tolerance with the guide rod 704 thereof, otherwise, the measurement precision is greatly affected, and therefore when the clearance is ensured to be small and the sliding coaxiality is high, the jamming is easily caused, so that the liquid level meter completely fails. Therefore, in this embodiment, instead of or in addition to a liquid level meter 7, the liquid level meter 7 has a structure as shown in fig. 4, and includes a guide tube 701, a guide rod 704, a floating plate 703, a sealing plate 20, a distance sensor 19, and a display part 21, the guide tube 701 is vertically installed in the oil tank 4, and a plurality of oil passing holes are formed in a side wall of a bottom end of the guide tube 701, so that fuel at the bottom can fully enter the guide tube 701, and a stable and consistent liquid level is ensured. Meanwhile, the guide rod 704 is coaxially and fixedly installed in the guide cylinder 701, the floating plate 703 is installed on the guide rod 704 in an axially sliding fit manner, the floating plate 703 can float on the fuel liquid level, the sealing plate 20 is fixedly plugged at the end of the end, exposed out of the top plate 6, of the guide cylinder 701, the sealing plate 20 is fixedly provided with a plurality of distance sensors 19, the distance sensors 19 are used for detecting the distance variation with the floating plate 703, so that the height variation of the floating plate 703 can be obtained, the height of the floating plate 703 is obtained, and the detected height information is transmitted to the display part 21 to be displayed.

With reference to fig. 2, in order to make the floating plate 703 float up and down more flexibly without clamping stagnation, particularly, the floating plate 703 is in a bead-shaped structure, and the inner arc-shaped side wall and the outer arc-shaped side wall of the floating plate 703 are in smooth contact with the guide rod 704 and the inner wall of the guide cylinder 701 respectively, so that when the liquid level in the oil tank 4 rises and falls, the floating plate is not prone to shake due to the up-and-down floating (due to the existence of the explosion-proof material 11, the shake itself is limited within a certain range), and the floating plate is clamped in the guide cylinder 701 at a certain moment, so that the floating plate is separated from the contact with the liquid level, and the effectiveness of the measurement function is ensured. In order to vertically arrange the guide cylinder 701, a mounting seat 12 is fixedly connected to the bottom in the oil tank 4, a seat hole of the mounting seat 12 comprises a horn hole located at the upper part and a cylindrical hole located at the lower part, the bottom end of the guide cylinder 701 is coaxially inserted in a sliding manner through the cylindrical hole, and a plurality of oil passing holes are formed in the hole wall of the cylindrical hole so that fuel oil can freely flow in. In practice, the display unit 21 may include a computing chip for converting the height signal of the floating plate 703 collected by the distance sensor 19 into the volume of the liquid in the oil tank 4 and displaying the volume on the display unit 21, so as to display both the liquid level and the fuel storage amount.

Specifically, in the manufacturing process, as shown in fig. 3, the number of the distance sensors 19 is 4, the distance sensors are uniformly arranged above the floating plate 703 in a surrounding manner, and the computing chip is used for computing the average value of the values acquired by the 4 distance sensors 19, so that the accuracy is improved. Meanwhile, a buzzer alarm connected with the display part 21 is further arranged in the embodiment, and when the difference between the maximum value and the minimum value in the data detected by the 4 distance sensors 19 is a set value, the situation that the position of the floating plate 703 is wrong or the oil in the oil tank 4 shakes violently is indicated, the buzzer alarm works, and maintenance personnel is reminded to intervene and check the data.

Since a large amount of fuel is stored in the fuel tank 4, parts led out of the fuel tank 4, such as the guide tube 701 or a sleeve for an existing magnetostrictive level gauge, the oil discharge pipe 9, and a casing for mounting the pressure detecting element 10 (like the aforementioned sleeve, which is a section of pipe for insertion installation), need to maintain reliable sealing performance and facilitate frequent assembly and disassembly maintenance, so in this embodiment, the guide tube 701, the oil discharge pipe 9, and the casing are each mounted on the fuel tank 4 in a sealing manner by a quick-release sealing connection portion. As shown in fig. 4-5, the quick-release sealing connection portion includes a plurality of blocks 13 fixed on the outer surface of the oil tank 4, all the blocks 13 form a circle, a pressing ring 18 coaxially fixed on the outer wall of the guide cylinder 701 or the oil unloading pipe 9 or the casing is provided in the center of the circle of blocks 13, and in actual manufacturing, the pressing ring 18 is integrally formed with the corresponding pipe or coaxially welded and fixed, for example, the pressing ring 18 is integrally formed with the guide cylinder 701. The upper end surface of the press ring 18 is pressed with a press plate 15 which is sleeved on the guide cylinder 701 or the oil unloading pipeline 9 or the protective cylinder, the lower end surface of the press ring 18 is provided with at least one sealing gasket 17 which is sleeved on the guide cylinder 701 or the oil unloading pipeline 9 or the protective cylinder, the press plate 15 and the picking block 13 are in bolt connection through a fastening bolt 14, and the press ring 18 tightly presses the sealing gasket 17 on the oil tank 4, so that the sealing of the connection part is realized, and the quick assembly, disassembly and maintenance, such as the replacement of corresponding components, can be realized. Specifically, the cantilever block 13 is in an L-shape formed by two plate bodies vertically connected to each other, one of the plate bodies is vertically fixed on the surface of the oil tank 4, the other plate body is horizontally disposed above the oil tank 4, and the other plate body is connected to the pressure plate 15 by bolts. In order to facilitate sealing, the guide cylinder 701, the oil unloading pipeline 9 or the protective cylinder respectively penetrate through an O-shaped ring 16 arranged in the box cover 5 and then extend out of the top plate 6, so that the corresponding pipe fitting can be kept relatively sealed when penetrating through the box cover 5, and the sealing box 2 is used as an outer-layer protection box, so that sealing can be realized only by additionally installing the O-shaped ring 16, and meanwhile, the assembly and disassembly are facilitated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a formula oil storage device is buried to filling station, includes the oil tank and installs level gauge, pressure detection component and the oil discharge pipeline on the oil tank, its characterized in that:

the oil tank is filled with honeycomb-shaped explosion-proof materials, the oil tank is supported and installed in a steel seal box through a plurality of auxiliary supports, and a box cover of the seal box is detachably sealed on an opening at the top of a box body of the seal box;

the sealing box is installed in an underground pit groove, the inner wall of the pit groove is sprayed and cast with concrete, a concrete installation cavity is formed, a top plate exposed out of the ground is detachably installed on the top of the concrete installation cavity in a covering mode, and the sealing box is completely sealed in the concrete installation cavity through the top plate;

the fuel tank also comprises at least one combustible gas detector, and the detection end of the combustible gas detector is arranged in the space between the oil tank and the tank body.

2. The buried oil storage device of a gas station as claimed in claim 1, wherein: the liquid level meter comprises a guide cylinder, a guide rod, a floating disc, a sealing plate, a distance sensor and a display part, wherein the guide cylinder is vertically installed in the oil tank, a plurality of oil passing holes are formed in the side wall of the bottom end of the guide cylinder, the guide rod is coaxially and fixedly installed in the guide cylinder, the floating disc is installed on the guide rod in an axial sliding fit mode, the sealing plate is fixedly plugged at the end part of one end, exposed out of the top plate, of the guide cylinder, the distance sensor is fixed on the sealing plate, and the distance sensor is used for detecting the position height of the floating disc and transmitting detected height information to the display part for displaying.

3. A buried fuel storage device of a gasoline station as claimed in claim 2, wherein: the floating disc is of a bead-shaped structure of the abacus, and the inner arc-shaped side wall and the outer arc-shaped side wall of the floating disc are respectively in smooth contact with the guide rod and the inner wall of the guide cylinder.

4. The buried oil storage device of a gas station as claimed in claim 2, wherein: the bottom rigid coupling in the oil tank has a mount pad, the seat hole of mount pad is including being located the horn hole on upper portion and being located the cylinder hole of lower part, the cylinder hole supplies the bottom of guide cylinder is the sliding type inserts coaxially, just also be equipped with a plurality of on the pore wall of cylinder hole crosses the oilhole.

5. The buried oil storage device of a gas station as claimed in claim 2, wherein: the display part contains the calculation chip, the calculation chip is used for converting the floating plate height signal that distance sensor gathered into the volume of liquid in the oil tank and shows on the display part.

6. A buried oil storage device of a gas station as claimed in claim 5, wherein: the distance sensor is equipped with 4, encircles directly over the floating plate evenly at interval, the calculation chip is used for calculating the average value that 4 distance sensor gathered the numerical value.

7. The buried oil storage device of a gas station as claimed in claim 6, wherein: still be equipped with the buzzer siren that links to each other with the display part, and in the data that 4 distance sensor detected, maximum value and minimum difference are when the setting value, buzzer siren work.

8. A buried fuel storage unit of a gasoline station as claimed in any one of claims 2 to 7, wherein: the guide cylinder, the oil discharge pipeline and the protective cylinder for mounting the pressure detection element are respectively and hermetically mounted on the oil tank through a quick-release sealing connection part;

the quick-release sealing connecting part comprises a plurality of picking blocks fixed on the outer surface of the oil tank, all the picking blocks are enclosed into a circle, a pressing ring coaxially and fixedly connected to the outer wall of the guide cylinder or the oil unloading pipeline or the protective cylinder is arranged in the center of the circle of picking blocks, a pressing plate sleeved on the guide cylinder or the oil unloading pipeline or the protective cylinder is pressed on the upper end face of the pressing ring, at least one sealing washer sleeved on the guide cylinder or the oil unloading pipeline or the protective cylinder is arranged on the lower end face of the pressing ring, and the pressing plate is connected with the picking blocks through bolts and enables the pressing ring to tightly press the sealing washer on the oil tank.

9. The buried oil storage device of a gas station as claimed in claim 8, wherein: the picking block is in an L shape formed by two plate bodies which are vertically connected with each other, wherein one plate body is vertically fixed on the surface of the oil tank, the other plate body is horizontally arranged above the oil tank, and the other plate body is connected with the pressure plate through bolts.

10. A buried fuel storage device of a gasoline station as claimed in claim 8, wherein: and the guide cylinder or the oil unloading pipeline or the protective cylinder respectively penetrates through an O-shaped ring arranged in the box cover and then extends out of the top plate.

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