Oil tank bottom anti-corrosion structure

Abstract

The utility model discloses an oil tank bottom anti-corrosion structure which comprises a base, an oil tank fixed on the base, an outer wall of the lower portion of the oil tank, a top wall of the base and an outer wall of the upper portion of the base are filled with a sealing body with a Z-shaped section, the upper portion and the lower portion of the sealing body are connected with a protective cover through bolts, and a cavity is formed between the protective cover and the sealing body. A humidity sensor is arranged in the protective cover, a transparent sealing box is arranged on the outer wall of the protective cover, an alarm is arranged in the sealing box, the humidity sensor is electrically connected with the alarm, an air inlet pipe and an air outlet pipe are arranged on the lower portion of the protective cover, and sealing covers are connected to the air inlet pipe and the air outlet pipe in a threaded mode. The humidity in the protective cover can be detected in time, drying is conducted in time, the service life of the sealing body is prolonged, and the anti-corrosion effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil tank anti-corrosion, in particular to an oil tank bottom anti-corrosion structure. Background Art

[0002] Oil storage tanks, referred to as oil tanks or storage tanks, are large containers with regular shapes used to store oil products. They can be divided into metal oil tanks and non-metal oil tanks according to the different construction materials. Most metal oil tanks are steel oil tanks, which are currently the most commonly used type in oil depots.

[0003] After searching, it was found that the Chinese invention patent application with publication number CN109606972A disclosed a new type of anti-corrosion structure for the edge plate of an oil tank. From its specification, it can be seen that through the use of STAC materials, the petrolatum anti-corrosion technology is based on the anti-corrosion mechanism of the hydrophobicity of oily petrolatum. The multi-layered structure forms a dense inner oily anti-corrosion layer to protect the metal from corrosion, provide effective mechanical protection, protect the inner anti-corrosion layer from being damaged, and maintain the continuity of the overall anti-corrosion layer. The multi-piece structure is formed by splicing, and the installation is convenient and quick, which is worthy of promotion.

[0004] However, the anti-corrosion structure in the above patent application has the following problems: (1) The protective cover is in direct contact with the oil tank and is fixed by a locking clamp, which causes a gap between the protective cover and the oil tank, making it easy for water or dust to enter the protective cover. In particular, once water penetrates into the protective cover, it will accumulate over time and easily reduce the service life of the mastic and cause corrosion to the oil tank; (2) When the humidity in the protective cover is heavy, it cannot be detected in time and the inside of the protective cover cannot be dried immediately, thereby reducing the service life of the mastic. Summary of the invention

[0005] In view of the deficiencies of the prior art, the utility model provides an anti-corrosion structure for the bottom of an oil tank to solve the problems mentioned in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] An oil tank bottom anti-corrosion structure comprises a base, an oil tank fixed on the base, an outer wall of the lower part of the oil tank, a top wall of the base and an outer wall of the upper part of the base are filled with a sealing body with a Z-shaped cross-section, the upper and lower parts of the sealing body are connected with a protective cover by bolts, the upper part of the protective cover is provided with an integrally formed first bending part, and the lower part is provided with an integrally formed second bending part, the first bending part is covered on the upper end of the sealing body and contacts with the oil tank, the second bending part is covered on the lower end of the sealing body and contacts with the oil tank, a cavity is formed between the protective cover and the sealing body, a humidity sensor is provided inside the protective cover, a transparent sealing box is provided on the outer wall of the protective cover, an alarm is provided in the sealing box, the humidity sensor is electrically connected to the alarm, an air inlet pipe and an air outlet pipe are provided at the lower part of the protective cover, and sealing covers are threadedly connected to the air inlet pipe and the air outlet pipe.

[0008] Preferably, the sealing body comprises elastic putty, a primer, a first nylon cloth, a middle coating, a second nylon cloth and a top coating which are arranged in sequence from bottom to top.

[0009] Preferably, an outer periphery of the bottom of the oil tank is provided with an outwardly extending edge plate, and a gap between the edge plate and the base is also filled with elastic cement.

[0010] Preferably, a circle of first sealing gasket is provided at the contact points between the first bending portion, the second bending portion and the oil tank.

[0011] Preferably, a circle of second sealing gasket is provided on the inner wall of the sealing cover.

[0012] Preferably, a wire threading channel is provided in the protective cover, a battery and a controller are provided in the sealed box, the humidity sensor passes through the wide wire threading channel through a wire and enters the sealed box to be electrically connected to the controller, and the alarm and the battery are both electrically connected to the controller.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) The protective cover is connected to the sealing body through studs, and the first bent portion and the second bent portion respectively cover the upper and lower ends of the sealing body, thereby fully surrounding the sealing body and forming a sealed chamber in the protective cover, thereby providing a certain degree of protection for the sealing body and extending the service life of the sealing body. In addition, through the dual effects of the sealing body and the protective cover, the anti-corrosion effect of the oil tank is improved.

[0015] (2) When the humidity inside the protective cover is high, the humidity sensor transmits a signal to the alarm to sound an alarm. At this time, open the sealing covers on the air inlet and outlet ducts, install a hair dryer on the air inlet duct, and use the hair dryer to blow into the inside of the protective cover to dry the inside of the protective cover. This allows the humidity inside the protective cover to be detected in a timely manner and dried in time, thereby extending the service life of the seal and further improving the anti-corrosion effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the humidity sensor;

[0018] In the figure: 1-base, 2-oil tank, 3-sealing body, 301-elastic cement, 302-primer, 303-first nylon cloth, 304-middle coating, 305-second nylon cloth, 306-top coating, 4-protective cover, 5-first bending portion, 6-second bending portion, 7-humidity sensor, 8-sealing box, 9-alarm, 10-air inlet pipe, 12-sealing cover, 13-edge plate, 14-first sealing pad, 15-second sealing pad, 16-threading channel, 17-battery, 18-controller. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 and Figure 2, an oil tank bottom anti-corrosion structure, comprising a base 1, an oil tank 2 fixed on the base, the outer wall of the lower part of the oil tank 2, the top wall of the base 1 and the outer wall of the upper part of the base 1 are filled with a sealing body 3 with a Z-shaped cross-section, the upper and lower parts of the sealing body 3 are connected with a protective cover 4 by bolts, the upper part of the protective cover 4 is provided with an integrally formed first bending part 5, and the lower part is provided with an integrally formed second bending part 6, the first bending part 5 is covered on the upper end of the sealing body 3 and contacts the oil tank 2, the second bending part 6 is covered on the lower end of the sealing body 3 and contacts the oil tank 2, a cavity is formed between the protective cover 4 and the sealing body 3, a humidity sensor 7 is provided inside the protective cover 4, a transparent sealing box 8 is provided on the outer wall of the protective cover 4, and an alarm 9 is provided inside the sealing box 8, an anti-corrosion structure, a bottom ... A wire threading channel 16 is provided in the protective cover 4, and a battery 17 and a controller 18 are provided in the sealed box 8. The humidity sensor 7 enters the sealed box and is electrically connected to the controller 18 after passing through the wide wire threading channel 16 through a wire. The alarm 9 and the battery 17 are both electrically connected to the controller 18. The battery 17 supplies power to the humidity sensor 7, the controller 18 and the alarm 9. In order to facilitate the replacement of the battery 17, a battery cover is required to be provided at the bottom of the sealed box 8, and a sealing ring is provided around the battery cover to prevent moisture from entering the sealed box; an air inlet pipe 10 and an air outlet pipe are provided at the lower part of the protective cover 4, and a sealing cover 12 is threadedly connected to the air inlet pipe 10 and the air outlet pipe, and a circle of second sealing gasket 15 is provided on the inner wall of the sealing cover to prevent water from entering the protective cover 4 through the water inlet pipe or the water outlet pipe.

[0021] To sum up, when the humidity in the protective cover 4 is high, the humidity sensor 7 transmits a signal to the controller 18, and the controller transmits a signal to the alarm 9 to sound an alarm. At this time, the sealing covers 12 on the air inlet pipe 10 and the air outlet pipe are opened, and the hair dryer is installed on the air inlet pipe 10. The hair dryer is used to blow into the inside of the protective cover 4 to dry the inside of the protective cover 4, and at the same time, the moisture is discharged from the air outlet pipe. When the humidity sensor senses that the humidity has reached the set value, the alarm stops sounding, the blowing stops, and the sealing cover is closed.

[0022] In this embodiment, the sealing body 3 includes an elastic putty 301, a primer 302, a first nylon cloth 303, a middle coat 304, a second nylon cloth 305 and a top coat 306 arranged in sequence from bottom to top, wherein the primer, middle coat and top coat are all anti-corrosion paints, and the elastic putty is prepared by mixing elastic rubber powder and anti-corrosion paint in a certain proportion.

[0023] In this embodiment, the outer periphery of the bottom of the oil tank 2 is provided with an outwardly extending edge plate 13, and the gap between the edge plate 13 and the base 1 is also filled with elastic glue to further play a sealing role. When injecting glue, the glue nozzle can be extended into the gap.

[0024] In this embodiment, a circle of first sealing gasket 14 is provided at the contact points between the first bending portion 5, the second bending portion 6 and the oil tank 2. The sealing body is fully surrounded by the first bending portion 6 and combined with the first sealing gasket 14, which effectively prevents water from entering from the contact point between the protective cover and the oil tank, and forms a sealed chamber in the protective cover, thereby protecting the sealing body to a certain extent and extending the service life of the sealing body.

[0025] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil tank bottom anti-corrosion structure, comprising a base (1) and an oil tank (2) fixed on the base, characterized in that: The outer wall of the lower part of the oil tank (2), the top wall of the base (1) and the outer wall of the upper part of the base (1) are filled with a sealing body (3) with a Z-shaped cross section. The upper and lower parts of the sealing body (3) are connected to a protective cover (4) by bolts. The upper part of the protective cover (4) is provided with an integrally formed first bent portion (5), and the lower part is provided with an integrally formed second bent portion (6). The first bent portion (5) covers the upper end of the sealing body (3) and contacts the oil tank (2), and the second bent portion (6) covers the lower end of the sealing body (3) and contacts the oil tank (2). The protective cover (4) is in contact with the oil tank (2), a cavity is formed between the protective cover (4) and the sealing body (3), a humidity sensor (7) is provided inside the protective cover (4), a transparent sealing box (8) is provided on the outer wall of the protective cover (4), an alarm (9) is provided inside the sealing box (8), the humidity sensor (7) and the alarm (9) are electrically connected, an air inlet pipe (10) and an air outlet pipe are provided at the lower part of the protective cover (4), the air inlet pipe and the air outlet pipe are arranged opposite to each other, and sealing covers (12) are threadedly connected to the air inlet pipe (10) and the air outlet pipe.

2. The oil tank bottom anti-corrosion structure according to claim 1, characterized in that: The sealing body (3) comprises elastic cement (301), a primer (302), a first nylon cloth (303), a middle coating (304), a second nylon cloth (305) and a top coating (306) which are arranged in sequence from bottom to top.

3. The anti-corrosion structure of the oil tank bottom according to claim 2, characterized in that: An outwardly extending edge plate (13) is provided on the outer periphery of the bottom of the oil tank (2), and a gap between the edge plate (13) and the base (1) is also filled with elastic cement.

4. The anti-corrosion structure of the oil tank bottom according to claim 3 is characterized in that: A circle of first sealing gasket (14) is provided at the contact points between the first bent portion (5), the second bent portion (6) and the oil tank (2).

5. The anti-corrosion structure of the oil tank bottom according to claim 4, characterized in that: The inner wall of the sealing cover (12) is provided with a circle of second sealing gasket (15).

6. An oil tank bottom anti-corrosion structure according to any one of claims 1 to 5, characterized in that: The protective cover (4) is provided with a wire threading channel (16), the sealed box (8) is provided with a battery (17) and a controller (18), the humidity sensor (7) passes through the wide wire threading channel (16) through a wire and enters the sealed box to be electrically connected to the controller (18), and the alarm (9) and the battery (17) are both electrically connected to the controller (18).

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