JP3030248U - Half underground underground fuel oil storage tank - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To provide a semi-underground buried fuel oil storage tank which can be installed in a narrow place such as under an eaves even if there are various pipes, crushed stones, discarded concrete, etc. SOLUTION: A storage tank 1 in which both ends of a cylindrical body 2 are closed by a lower end plate 3 and an upper end plate 4 and a part of which is buried in the ground with the outer peripheral surface of the body 2 being in the vertical direction, An oil supply pipe 11, an air bleed pipe 21, and a supply pipe 31 attached to the upper end plate 4 and communicating with the inside of the storage tank 1 are provided, and the storage tank 1, the oil supply pipe 11, the air bleed pipe 21 and the supply pipe 31 are made of stainless steel. In addition to the construction, at least the outer surface of the storage tank 1 buried in the ground is covered with an anticorrosion lining, and the upper end plate 4 is formed in a shape in which the central portion projects upward from the peripheral edge portion.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a semi-underground fuel oil storage tank in which a part of the storage tank, that is, the lower part is buried in the ground.

[0002]

[Prior art]

 Conventionally, when storing fuel oil, a ground-based fuel oil storage tank that installs a storage tank on the ground has been used, or an underground buried fuel oil storage tank that completely buried the storage tank in the ground. It was

[0003]

[Problems to be solved by the device]

 However, when using the former ground-based fuel oil storage tank, it may not be possible to install it in a narrow space such as under the eaves of a house because not only the area to be installed but also the dimension in the height direction is required.

Next, when the latter underground fuel oil storage tank is used, it is necessary to dig deep on the surface of the earth in order to bury the storage tank, but in the case of a general house, a water pipe, a sewer pipe, Since gas pipes and the like are buried at a shallow position in the ground, pipes such as water pipes may obstruct and cannot be buried. Also, because there were crushed stones and discarded concrete in the house, crushed stones and discarded concrete became obstacles, and it was not possible to install them near the wall.

The present invention has been made in order to eliminate the above-mentioned inconvenience, and even if there are various pipes, crushed stones, concrete waste, etc., it can be installed in a narrow place such as under the eaves and will not corrode. It is intended to provide a difficult semi-underground fuel oil storage tank.

[0006]

[Means for Solving the Problems]

 The semi-underground fuel oil storage tank according to this invention has the same cross section continuous in the axial direction and the lower end plate of the fuselage whose axial outer peripheral surface is a straight line is attached by winding, and The upper end plate is attached to the upper end plate and a metal storage tank that is partially buried in the ground with both ends of the fuselage closed by welding the upper end plate to the upper end. It is provided with a metal oil supply pipe, an air vent pipe, and a supply pipe that communicate with the inside of the storage tank.

Then, the storage tank, the oil supply pipe, the air bleeding pipe and the supply pipe are made of stainless steel, or at least the outer surface of the storage tank buried in the ground is covered with anticorrosion lining, Also, the upper mirror plate is formed so that the central part projects upward, or the lower mirror plate is provided with a recessed part that projects downwards, and a drain drain hole is provided in this recessed part. I want to block it.

Further, one end of the supply pipe that projects into the storage tank is separated from the lower end plate by a predetermined distance, an oil meter is provided, the oil supply end of the oil supply pipe, the exposed end of the air bleeding pipe, and the display part of the oil meter. It is desirable to install the fuel tank at a position higher than the ground surface by a predetermined distance, or to use an oil meter that is an electric type that transmits the data of the measuring unit and displays the remaining amount of fuel oil on the display unit.

[0009]

[Embodiment of device]

 Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory view showing the structure and installation state of a half-underground fuel oil storage tank according to an embodiment of the present invention, and FIG. 2 is a partially broken view of the storage tank showing a lower end plate portion. FIG.

In these figures, reference numeral 1 denotes a stainless steel storage tank, which is a cylindrical body 2 formed by rolling a stainless steel plate and welding both ends thereof, and is attached to the lower end portion of the body 2 by winding. A lower end plate 3 made of stainless steel that closes the lower end of the body 2, and a shape in which the central portion protrudes upward from the peripheral portion, is attached by welding to the upper end of the body 2, and closes the upper end of the body 2. It is composed of an upper mirror plate 4 made of stainless steel.

As shown in FIG. 2, the lower end plate 3 is provided with a recessed portion 3c having a drain drain hole 3d in a central portion protruding downward, and the drain drain hole 3d is attached to the removable drain cover 5a. Is blocked by. The drain lid 5 is attached so that its lower end does not protrude below the lower end of the lower end plate 3.

Reference numeral 11 denotes a stainless steel oil supply pipe for supplying fuel oil to the storage tank 1, one end of which is attached to the upper end plate 4 by welding in a watertight state, and a cap 12 is attachable / detachable to the other end which is the oil supply end. Is attached to. Reference numeral 21 denotes a stainless air bleeding pipe that communicates the inside of the storage tank 1 with the atmosphere. One end is a U-shaped bent end, which is attached to the upper end plate 4 by welding in a watertight state. In addition, a net, sponge, etc. are attached to prevent dust from entering the storage tank 1.

Reference numeral 31 denotes a stainless steel supply pipe for supplying fuel oil from the storage tank 1 to a predetermined location, one end of which is inserted at a predetermined distance from the lower end plate 3, for example, about 10 cm, and the upper end of the upper end plate 4 is inserted. Is attached in a watertight state by welding, and the oil server 32 is connected to the other end which is the exposed end. Reference numeral 41 denotes a mechanical oil level meter that displays the remaining amount of fuel oil in the storage tank 1. The upper end is a measurement part 42 that is watertightly attached to the upper end plate 4, and the upper end of the upper end plate 4 is exposed. And a display unit 43 that operates.

The storage tank 1 and each of the pipes 11, 21, 31 are entirely covered with an anticorrosion lining in which vinyl ester resin, glass flakes and the like are mixed.

[0015] G indicates surface soil, N indicates sand for improving drainage, and P indicates gas, water, etc. pipes buried in the ground. E is a crushed stone, H is a crushed concrete cast on a crushed stone E, B is a foundation provided on a discard concrete H, S is a haul pulled to a foundation B, W is attached to a haul S A supply pipe 31 bent into a predetermined shape penetrates the outer wall W from the outdoor side to the room I side, and an oil server 32 is attached to the room I side of the outer wall W. F indicates the floor passed over to the large pulling S.

Next, the installation of the half-underground buried fuel oil storage tank will be described. First, the lower part of the storage tank 1 can be buried with the outer peripheral surface of the body 2 facing vertically, and holes are drilled in the soil G on the surface of the ground so that the various pipes P and the discarded concrete H are not covered. Next, after laying sand N to a predetermined thickness on the bottom of the dug hole, the lower portion of the storage tank 1 is housed in the hole so that the outer peripheral surface of the body 2 faces the vertical direction. Then, by filling the periphery of the storage tank 1 with sand N, as shown in FIG. 1, a semi-underground buried fuel oil storage tank can be installed.

When the semi-underground fuel oil storage tank is installed in this way, the oiling end of the oiling pipe 11 to which the cap 12 is attached, the other end of the air bleeding pipe 21, and the display portion of the oil meter 41. 43 is set to a predetermined distance from the ground surface, for example, a height of about 1.5 m.

As described above, according to the embodiment of the present invention, since the lower portion of the storage tank 1 is buried in the ground with the outer peripheral surface of the body 2 in the vertical direction, the surrounding sand N is frozen. Also, since the sand N functions as a cushioning material and the stress that the sand N freezes becomes parallel to the storage tank 1, the stress that the sand N freezes and increases in volume does not act on the storage tank 1. Further, since the lower end plate 3 is attached to the body 2 by tightening, the durability of the joint is improved. Therefore, the storage tank 1 is safe, safe, durable and has a long life.

Since it is a half-burial type, it is not necessary to dig a deep hole for completely burying the storage tank 1, and it is possible to easily dig a hole without using a heavy machine. However, it is only necessary to dig a hole that does not cover the various pipes P and waste concrete H. Even if there are various pipes P and waste concrete H, keep them under the eaves and close to the outer wall W. Can be installed. Further, since it is a half-buried type, the dimension in the height direction from the surface of the earth is shortened, so it can be installed even in a place where there is no margin in the height dimension.

Further, since the storage tank 1 and each of the pipes 11, 21, 31 are made of stainless steel, each part does not easily corrode and the life is improved. Further, since the entire outer surface of the storage tank 1 and each of the pipes 11, 21 and 31 is covered with the anticorrosion lining, each part is more resistant to corrosion and the life is further improved. Furthermore, since the upper mirror plate 4 is formed in a shape in which the central portion projects upward from the peripheral portion, rainwater and the like do not collect on the upper mirror plate 4, and the corrosive upper mirror plate 4 becomes more resistant to corrosion. The life is further improved.

Further, since the lower end plate 3 is provided with the drain hole 3d, when water or the like is accumulated in the storage tank 1, by inserting a hose from the oil supply end of the oil supply pipe 11 until it reaches the lower end plate 3. , You can remove oil, water, dust, etc. for cleaning, but you can also remove oil, water, dust, etc. from the drain drain hole 3d by digging up the storage tank 1 and removing the drain lid 5. can do. Since one end which is the suction end of the supply pipe 31 is separated from the lower end plate 3 by a predetermined distance, when water or the like enters the storage tank 1, it is necessary to prevent the fuel oil from being sucked up and supplied. You can

Furthermore, since the oil meter 41 is provided, the remaining amount of fuel oil in the storage tank 1 can be confirmed and managed by the oil meter 41. Further, since the supply end of the oil supply pipe 11, the exposed end of the air bleeding pipe 21, and the display portion 43 of the oil level meter 41 are arranged at a position higher than the ground surface by a predetermined distance, the predetermined distance is set to about 1.5 m. Even in snowy areas, it will not interfere with winter use.

In the above-described embodiment, the storage tank 1 and each of the pipes 11, 21, 31 are made of stainless steel and covered with the anticorrosion lining, but they are still made of metal such as steel or stainless steel. Alternatively, the anticorrosion lining may be covered with a metal such as steel. The outer surface of the storage tank 1 and each of the pipes 11, 21, 31 was covered with an anticorrosion lining, but the same effect can be obtained by covering the outer surface of at least the buried portion with the anticorrosion lining. You can

Further, although the oil level meter 41 is a mechanical type, it may be an electric type which transmits the data of the measuring section to display the remaining amount of the fuel oil on the display section. By arranging it indoors, the remaining amount of fuel oil in the storage tank 1 can be confirmed and managed indoors with an oil meter. Although the storage tank 1 has been described as an example in which the shape of the storage tank 1 is a cylindrical shape, other storage tanks may be used as long as they have a body having the same cross section continuous in the axial direction and the outer circumferential surface in the axial direction being a straight line. The shape may be, for example, a rectangular tube shape.

[0025]

[Effect of device]

 As described above, according to this invention, a part of the storage tank is buried in the ground with the outer peripheral surface of the fuselage being in the vertical direction. Since it is parallel to the storage tank, the stress caused by the freezing of sand and the increase in volume does not act on the storage tank. Since the lower end plate is attached to the body by tightening, the durability of the joint is improved. Therefore, the storage tank is safe, secure, durable and has a long life without the risk of damage.

Since it is a half-ground buried type, it is not necessary to dig a deep hole for completely burying the storage tank, and it is possible to easily dig a hole by hand without using a heavy machine, so the installation cost is low. It is cheaper, and it is only necessary to dig a hole that does not cover various pipes and waste concrete. Even if there are various pipes and waste concrete, it can be installed under the eaves and close to the outer wall. Further, since it is a half-buried type, the dimension in the height direction from the surface of the earth is shortened, so it can be installed even in a place where there is no margin in the height dimension.

Further, since the storage tank and each pipe are made of stainless steel, each part is less likely to be corroded and the service life is improved. Further, at least the outer surface of the storage tank buried in the ground is covered with the anticorrosion lining, so that it becomes more resistant to corrosion and the life is further improved. Furthermore, since the upper mirror plate is formed in a shape in which the central part projects upward from the peripheral part, rainwater, etc. does not collect on the upper mirror plate, and the upper mirror plate, which is easily corroded, is less likely to corrode and has a longer service life. Is improved.

Further, since the lower end plate is provided with a drain hole, when water etc. accumulates in the storage tank, the hose can be inserted from the oiling end of the oiling pipe until it reaches the lower end plate, so that oil, water, dust, etc. It is possible to remove the oil and water, etc. from the drain hole by digging up the storage tank and removing the drain lid. Since one end, which is the suction end of the supply pipe, is separated from the lower end plate by a predetermined distance, it is possible to prevent the water from being sucked up together with the fuel oil and supplied when the water or the like enters the storage tank.

Further, since the oil meter is provided, the remaining amount of fuel oil in the storage tank can be confirmed and managed by the oil meter. Further, since the oil meter is an electric type, by disposing the display section indoors, the remaining amount of fuel oil in the storage tank can be confirmed and managed indoors by the oil meter. In addition, the supply end of the oil supply pipe, the exposed end of the air bleeding pipe, and the display of the oil level meter were installed at a position higher than the ground by a predetermined distance. Even in the zone, it will not interfere with winter use.

[Brief description of drawings]

FIG. 1 is an explanatory view showing the configuration and installation state of a half-underground buried fuel oil storage tank according to an embodiment of the present invention.

FIG. 2 is an enlarged partial view showing a lower end plate portion by breaking a part of a storage tank.

[Explanation of symbols]

 1 Storage Tank 2 Body 3 Lower End Plate 3c Dimple Part 3d Drain Drain Hole 4 Upper End Plate 5 Drain Lid 11 Oil Supply Pipe 12 Cap 21 Air Venting Pipe 31 Supply Pipe 32 Oil Server 41 Oil Gauge 42 Measuring Part 43 Display Part G Soil N Sand

Claims (10)

[Scope of utility model registration request] 1. A lower end plate is attached to a lower end portion of a body having an identical cross section continuous in the axial direction and an outer peripheral surface in the axial direction is a straight line by winding, and an upper end plate is welded to an upper end portion of the body. Both ends of the body are closed, and a metal storage tank partially buried in the ground in a state where the outer peripheral surface is vertical, and a metal storage tank attached to the upper end plate and communicating with the storage tank. Fuel oil storage tank, which is equipped with a fuel supply pipe, an air bleeder pipe, and a supply pipe. 2. The semi-underground fuel oil storage tank according to claim 1, wherein the storage tank, the oil supply pipe, the air vent pipe, and the supply pipe are made of stainless steel. A characteristic half-ground underground fuel oil storage tank. 3. The semi-underground fuel oil storage tank according to claim 1 or 2, wherein at least the outer surface of the storage tank buried in the ground is covered with an anticorrosion lining. A characteristic half-ground underground fuel oil storage tank. 4. The semi-underground fuel oil storage tank according to claim 1, wherein the upper end plate has a shape in which a central portion of the upper end plate projects upward from a peripheral edge portion. A semi-underground fuel oil storage tank characterized by being used. 5. The semi-underground fuel oil storage tank according to any one of claims 1 to 4, wherein the lower end plate is provided with a recessed portion projecting downward, and the drainage drain is provided in this recessed portion. A semi-underground fuel oil storage tank characterized in that a drain hole is provided and the drain hole is closed by a drain lid. 6. The half-buried fuel oil storage tank according to claim 1, wherein one end of the supply pipe that projects into the storage tank is
A semi-underground buried fuel oil storage tank, characterized in that it is separated from the lower end plate by a predetermined distance. 7. The semi-underground fuel oil storage tank according to any one of claims 1 to 6, wherein the oil supply end of the oil supply pipe and the exposed end of the air bleeding pipe are predetermined from the ground surface. A semi-underground fuel oil storage tank, which is arranged at a high distance. 8. The semi-underground fuel oil storage tank according to any one of claims 1 to 6, further comprising an oil meter. Storage tank. 9. The semi-underground fuel oil storage tank according to claim 8, wherein the oiling end of the oiling pipe, the exposed end of the air bleeding pipe, and the display portion of the oil level gauge are located at a predetermined distance from the ground surface. A semi-underground buried fuel oil storage tank, which is arranged at a high position. 10. The semi-underground fuel oil storage tank according to claim 9, wherein the oil meter is an electric type that transmits the data of the measurement unit and displays the remaining amount of fuel oil on the display unit. There is a semi-underground fuel oil storage tank.