CN209834594U

CN209834594U - Double-deck oil storage tank of antiseep SF

Info

Publication number: CN209834594U
Application number: CN201920401288.1U
Authority: CN
Inventors: 李英吉; 林桦; 鞠恒阔; 朱杰
Original assignee: Shandong North Zhongyi New Materials Co Ltd
Current assignee: Shandong North Zhongyi New Materials Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2019-12-24
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a double-deck oil storage tank of antiseep SF, including the metal inner tank body and the outer jar of body of glass steel, be equipped with 3D glass fiber fabric as middle clearance layer between the metal inner tank body and the outer jar of body of glass steel, the lateral surface of the metal inner tank body still combines non-metallic coating, non-metallic coating and the metal inner tank body zonulae occludens, 3D glass fiber fabric set up in between non-metallic coating and the outer jar of body of glass steel. The utility model discloses set up non-metallic coating between the glass steel outer tank body and the metal inner tank body, the surface of non-metallic coating and the metal inner tank body closely combines, has extremely strong adhesion between the double-phase material, has compensatied the material defect of the metal inner tank body self well, has improved the antiseep grade of the metal inner tank body in very big degree, simultaneously, the utility model provides a non-metallic coating preferably adopts unsaturated polyester resin coating or epoxy coating, and it has the expend with heat and contract with cold mechanical properties of harmony with the metal inner tank body, is favorable to the improvement of oil storage tank antiseep grade.

Description

Double-deck oil storage tank of antiseep SF

Technical Field

The utility model relates to an oil storage tank technical field, more specifically say, relate to a double-deck oil storage tank of antiseep SF.

Background

At present, about 10 thousands of oil storage tanks and 40 thousands of oil storage tanks exist in China, most of the oil storage tanks are single-layer steel horizontal buried tanks, most of the oil storage tanks are used for more than 10 years, and due to the underground complex environment, the leakage phenomenon caused by corrosion is easy to occur, so that soil and underground water pollution is caused, and the leakage problem can be solved by the double-layer oil tank. The conventional double-layer oil tank commonly used at home and abroad mainly comprises a steel double-layer oil tank (SS), a steel-glass fiber reinforced plastic composite double-layer oil tank (SF) and a glass fiber reinforced plastic double-layer oil tank (FF).

The SF double-layer oil tank is formed by compounding steel and glass fiber reinforced plastics, and is in complex environments of thermal expansion, cold contraction and the like for a long time, the leakage problem can occur between the steel and the glass fiber reinforced plastics at the layering part, so that the leakage grade of the existing SF double-layer oil tank can hardly reach the level of safety or I-level environmental protection; meanwhile, in a detection mode, a vertical pipe assembly in the automatic leakage detection alarm device usually vertically penetrates through the whole metal inner tank body, the lower end of the vertical pipe assembly is communicated with the 3D glass fiber fabric of the middle gap layer, and the detection structure can cause potential risk factors to the whole oil storage tank.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the double-deck oil storage tank antiseep grade of current SF is low, improve the double-deck oil storage tank of SF's preventing leaking grade, prolong its life, the utility model provides a double-deck oil storage tank of antiseep SF.

The adopted technical scheme is as follows:

the utility model provides a double-deck oil storage tank of antiseep SF, includes the metal inner tank body and the outer jar of body of glass steel, the metal inner tank body with be equipped with 3D glass fiber fabric as middle clearance layer between the outer jar of body of glass steel, the lateral surface of the metal inner tank body still combines non-metallic coating, non-metallic coating and the metal inner tank body combine closely, 3D glass fiber fabric set up in between non-metallic coating and the outer jar of body of glass steel.

And the upper part of the outer glass fiber reinforced plastic tank body is provided with a first detection port, and the first detection port is communicated with the middle gap layer.

The middle gap layer is arranged along the whole body of the oil storage tank in 360 degrees.

The first detection port is arranged at the top of the oil storage tank, and the first detection port is communicated with the middle gap layer at the top of the oil storage tank.

The top of oil storage tank is equipped with the manhole, be equipped with the second around the manhole and detect the mouth, the second detects the mouth and is connected with a riser, the riser from top to bottom be in proper order sealed run through in the metal inner tank body, just the lower extreme of riser with the oil storage tank lower part the middle gap layer is linked together.

The non-metal coating is an unsaturated resin coating or an epoxy resin coating.

The thickness of the non-metal coating is less than or equal to 2mm, and the thickness of the glass fiber reinforced plastic outer tank body is more than or equal to 4 mm.

The utility model provides a beneficial effect that technical scheme brought is:

A. the utility model discloses set up non-metallic coating between the glass steel outer tank body and the metal inner tank body, the surface of non-metallic coating and the metal inner tank body closely combines, has extremely strong adhesion between the double-phase material, has compensatied the material defect of the metal inner tank body self well, has improved the antiseep grade of the metal inner tank body in very big degree, simultaneously, the utility model provides a non-metallic coating preferably adopts unsaturated polyester resin coating or epoxy coating, and it has the expend with heat and contract with cold mechanical properties of harmony with the metal inner tank body, is favorable to the improvement of oil storage tank antiseep grade.

B. The utility model is provided with a first detection port at the top of the outer tank body of the glass fiber reinforced plastic, the first detection port mainly adopts a vacuumizing detection leakage mode, and the first detection port mainly carries out I-level and II-level leakage detection on the oil storage tank; simultaneously the utility model discloses still set up reserve second in the top of the glass steel outer tank body and detected the mouth, the stand in the second detects the mouth runs through whole metal inner tank body to with the middle gap layer intercommunication of lower part, mainly accomplish the III level seepage detection to the oil storage tank, when carrying out I level or II level seepage detection, only need detect the mouth with the second encapsulate can, the detection of giving the oil storage tank has brought very big convenience.

C. The utility model discloses the middle gap layer adopts 3D glass fiber fabric, and its 3D fabric is 360 lays for jar body whole body, and it is big to link up the clearance volume after its shaping, more can be suitable for the operation of vacuum leak detection system, can detect out the seepage more than and below the liquid level in the double-deck system, and its security performance is higher.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a block diagram of a prior art storage tank;

fig. 2 is a schematic cross-sectional structure view at a-a shown in fig. 1 according to the present invention.

In the figure:

1-a metal inner tank body; 2-glass fiber reinforced plastic outer tank body; 3-an intermediate gap layer; 4-a non-metallic coating; 5-a manhole; 6-a first detection port; 7-a second detection port; 8-vertical pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model provides a double-deck oil storage tank of antiseep SF, including the metal inner tank body 1 and the outer jar of body 2 of glass steel, be equipped with 3D glass fiber fabric as middle space layer 3 between the metal inner tank body 1 and the outer jar of body 2 of glass steel, the lateral surface of the metal inner tank body 1 still combines non-metallic coating 4, non-metallic coating 4 and the metal inner tank body 1 closely combine, and 3D glass fiber fabric sets up between non-metallic coating 4 and the outer jar of body 2 of glass steel. The utility model provides an unsaturated polyester resin coating or epoxy coating are preferably adopted to the non-metallic coating, and it has fine adhesive action with 1 surface of the metal inner tank body, and extremely strong adhesion between the double-phase material has compensatied the material defect of the metal inner tank body self well, has improved the antiseep grade of the metal inner tank body to a very big extent, is favorable to the improvement of oil storage tank antiseep grade.

Simultaneously in order to realize the detection to oil storage tank I level prevention of seepage grade, the utility model discloses be equipped with first detection mouth 6 on the upper portion of the glass steel outer tank body 2, preferably set up at the top position, make first detection mouth 6 directly be linked together with middle clearance layer 3 on oil storage tank upper portion, if when 3D glass fiber fabric is not filled on the upper portion of oil storage tank, can link up mutually through the mode that sets up the passageway in the jar body first detection mouth 6 and 3D glass fiber fabric. When the I-level anti-seepage grade detection is carried out, an exhaust tube, a leak detector, a pressure measuring instrument, an alarm and the like are required to be arranged at the position of the first detection port 6, the middle gap layer 3 is vacuumized, and when leakage occurs, the leak detector can give an alarm. The middle gap layer is made of 3D glass fiber fabric, the 3D fabric is laid on the periphery of the tank body in 360 degrees, the through gap volume is large after the tank body is formed, the tank body can be more suitable for running of a vacuum leakage detection system, leakage above and below the liquid level in a double-layer system can be detected, and the safety performance is higher.

Of course, the utility model discloses still be equipped with manhole 5 at the top of oil storage tank, be equipped with the second around manhole 5 and detect mouthful 7, the second detects mouthful 7 and is connected with a riser 8, and riser 8 is sealed running through in the metal inner tank body 1 from top to bottom in proper order, and the lower extreme of riser 8 is linked together with middle clearance layer 3 of oil storage tank lower part. When the I-level anti-seepage grade detection is carried out, the flange at the outlet of the second detection port needs to be sealed, and when only the oil storage tank does not meet the I-level anti-seepage grade, the II-level anti-seepage grade detection needs to be carried out, at the moment, the first detection port needs to be sealed through the blind hole flange, and the III-level anti-seepage detection is carried out at the position of the second detection port.

The utility model discloses well adopted non-metallic coating 4's thickness is less than or equal to 2mm, and glass steel outer tank body 2's thickness is more than or equal to 4 mm.

The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a double-deck oil storage tank of antiseep SF, includes the metal inner tank body (1) and the outer jar of body of glass steel (2), the metal inner tank body (1) with be equipped with 3D glass fiber fabric as middle gap layer (3) between the outer jar of body of glass steel (2), a serial communication port, the lateral surface of the metal inner tank body (1) still combines nonmetal coating (4), nonmetal coating (4) and the metal inner tank body (1) closely combine, 3D glass fiber fabric set up in between nonmetal coating (4) and the outer jar of body of glass steel (2).

2. The anti-leakage SF double-layer oil storage tank as claimed in claim 1, wherein a first detection port (6) is formed at an upper portion of said outer tank body (2) of glass fiber reinforced plastic, said first detection port (6) being in communication with said middle gap layer (3).

3. The leak-proof SF double-layer oil storage tank as claimed in claim 2, wherein said middle gap layer (3) is positioned 360 degrees along the circumference of said oil storage tank.

4. The anti-leakage SF double-layer oil storage tank as claimed in claim 3, wherein said first detection port (6) is disposed at a top position of said oil storage tank, said first detection port (6) being in communication with said middle gap layer (3) at a top of said oil storage tank.

5. The anti-leakage SF double-layer oil storage tank as claimed in any of claims 1-4, wherein a manhole (5) is arranged at the top of the oil storage tank, a second detection port (7) is arranged around the manhole (5), the second detection port (7) is connected with a vertical pipe (8), the vertical pipe (8) is sequentially sealed from top to bottom and penetrates through the metal inner tank body (1), and the lower end of the vertical pipe (8) is communicated with the middle gap layer (3) at the lower part of the oil storage tank.

6. The anti-leakage SF double-layer oil storage tank as claimed in claim 5, wherein said non-metallic coating (4) is an unsaturated resin coating or an epoxy resin coating.

7. The anti-leakage SF double-layer oil storage tank as claimed in claim 1, wherein said non-metallic coating (4) has a thickness of 2mm or less, and said outer tank body (2) of glass fiber reinforced plastic has a thickness of 4mm or more.