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Flexible composite film, flexible oil bag comprising flexible composite film and storage tank

A composite film, flexible technology, used in packaging, packaged food, household packaging, etc., can solve problems such as weakening, and achieve the effect of ensuring tightness

Pending Publication Date: 2021-12-07
朱喜龙 +5
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitations of the floating plate structure, sealing form, storage tank foundation, etc., the effect of reducing oil and gas volatilization will gradually weaken

Method used

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  • Flexible composite film, flexible oil bag comprising flexible composite film and storage tank
  • Flexible composite film, flexible oil bag comprising flexible composite film and storage tank
  • Flexible composite film, flexible oil bag comprising flexible composite film and storage tank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] This embodiment discloses a flexible composite film, as attached figure 1 As shown: including the first oil-resistant layer 1, and the polyester woven fabric 2, the second oil-resistant layer 3, the barrier layer 4 and the static dissipative layer 5 covered in sequence on the inner surface of the first oil-resistant layer 1;

[0052] The tensile strength of the flexible composite film is ≥92MPa; and Shore 80D≤hardness≤Shore 90D.

[0053] In another embodiment, the first oil-resistant layer 1 and the second oil-resistant layer 3 are both oil-resistant thermoplastic elastomer materials.

[0054] In another embodiment, the barrier layer 4 is a barrier-type thermoplastic elastomer material with a thickness of ≤500 μm; at room temperature, the passing rate of No. 92 and No. 95 gasoline is ≤0.1 g / m 2 .

[0055] In another embodiment, the static dissipative layer 5 is an ion-conductive elastomer material, and its surface conductivity at normal temperature is less than or equ...

Embodiment 2

[0058] This embodiment discloses a flexible oil bladder, as attached Figure 2-3 As shown, including: folding oil bag 6, non-drip valve 7 and filling port 8;

[0059] Wherein, the folded oil bag 6 is made of the flexible composite film described in Embodiment 1;

[0060] The non-drip valve 7 and the filling port 8 are all located outside the folded oil bag 6 .

[0061] In another embodiment, the folded oil bag 6 includes: a fixed part 9 and a folded part 10 ; the non-drip valve 7 and the filling port 8 are located outside the fixed part 9 .

Embodiment 3

[0063] This embodiment discloses a storage tank, as attached Figure 4-5 As shown, including the flexible oil bag of embodiment 2, it also includes: tank body 11, floating plate 12, non-drip valve 7, filling port 8 and tank body manhole 13;

[0064] Wherein, the bottom of the fixing part 9 is fixedly connected with the inner bottom of the tank body 11, and the non-drip valve 7 and the filling port 8 extend from the outer end of the fixing part 9 to the outside of the tank body 11;

[0065] The top of the folding part 10 is fixedly connected to the bottom of the floating plate 12;

[0066] The tank manhole 13 extends to the inside of the fixing part 9 .

[0067] In another embodiment, the bottom of the fixing part 9 and the bottom of the tank body 11 are fixed by gluing.

[0068] In another embodiment, the top of the folding part 10 and the bottom of the floating plate 12 are fixedly connected by glue coating and a flange pressing plate.

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Abstract

The invention discloses a flexible composite film, a flexible oil bag comprising the flexible composite film and a storage tank comprising the flexible oil bag. The flexible composite film comprises a first oil-resistant layer, and a polyester woven fabric, a second oil-resistant layer, a barrier layer and a static dissipation layer which sequentially cover the inner surface of the first oil-resistant layer; and the tensile strength of the flexible composite film is greater than or equal to 92 MPa. On one hand, the flexible composite film designed by the invention not only has very good rebound resilience, but also has very strong tear and puncture resistance, the flexible oil bag formed by the flexible composite film is used for separating an oil product from the air, so that'big breathing and small breathing 'are on the same side as the air, the volatilization space is eliminated, the volatilization loss is inhibited, flammable and combustible oil gas is prevented from being formed, meanwhile, random deformation is ensured under the condition of no fracture, and the safety index is improved; and on the other hand, the flexible oil bag and the storage tank are effectively combined, so that a double-layer gap is formed between tank walls of the storage tank to monitor leakage, and the technical problems existing in the storage and transportation industry are solved.

Description

technical field [0001] The invention relates to the technical field of oil and gas storage and transportation, in particular to a flexible composite film, a flexible oil bladder containing the same and a storage tank containing the same. Background technique [0002] The storage tanks used in oil and gas storage and transportation are generally atmospheric storage tanks. When oil products enter and exit the storage tanks, the air in the tank needs to be inhaled or discharged to maintain pressure balance, resulting in "big breathing"; , resulting in a change in volume, in order to balance the pressure brought by the volume change, it needs to enter and exit air, resulting in a "small breath". "Small breathing" will cause oil volatilization, oil volatiles mixed with air to become oil gas, oil gas is flammable, explosive and pollutes the environment. Microscopically, volatilization is the process of liquid molecules leaving from the liquid surface. The liquid molecules collid...

Claims

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Application Information

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IPC IPC(8): B65D88/34B65D90/04B65D90/10B32B25/14B32B25/04B32B25/10B32B25/08B32B27/02B32B27/36
CPCB65D88/34B65D90/046B65D90/10B32B25/14B32B25/042B32B25/10B32B25/08B32B5/02B32B2262/0284B32B2307/21B32B2307/51B32B2307/7265B32B2439/40
Inventor 朱喜龙赵吉虎朱晔魏东金赵邈曹琛赵坤芳
Owner 朱喜龙
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