Composite material container

Abstract

The invention relates to the field of containers, in particular to a composite material container. The composite material container comprises a container body composed of a bottom, a first side wall, a second side wall, a first end and a second end. The bottom, the first side wall, the second side wall, the first end and the second end each comprise a steel base body and a coating, and each coating comprises an infiltration permeable layer, a glass fiber layer and a surface gluing layer. Compared with traditional carbon steel and paint, carbon steel, vinyl ester resin and glass fiber reinforcement in the composite material container provided by the invention have higher impact resistance and corrosion resistance, and the service life of the container body can be prolonged.

Description

Technical Field

[0001] This invention relates to the field of containers, and more specifically, to a composite material container. Background Technology

[0002] Traditional shipping containers are open-top (without a roof) containers, used in the open for everyday transport, primarily for rail transport of hard and corrosive goods such as ores. During loading and unloading, the impact of stones and other materials, as well as the repeated friction between the cargo and the sides and floor during tipping, easily causes the paint coating to peel off. Furthermore, due to the open top, rain or dew during daily use can cause water to accumulate inside the container, which, when in contact with sulfur or other contaminants, makes the already peeling coating areas more susceptible to rust. Because of cost considerations, the wall panels and flooring used in shipping containers are relatively thin; excessive rust can lead to the base material peeling off and even rusting through, affecting the normal transport of goods.

[0003] Currently, containers mainly use paint spraying for corrosion protection. However, when used to transport hard and corrosive bulk cargo such as ores, they have the following technical defects: insufficient mechanical strength, with the coating peeling off due to impact and wear from the ores; poor corrosion resistance, with sulfide corrosion causing the substrate to rust; and the overall lifespan of the container is only 4 to 5 years. Summary of the Invention

[0004] In view of this, the present invention aims to provide a composite material container with excellent corrosion resistance.

[0005] To solve the above-mentioned technical problems, this application is implemented as follows:

[0006] This invention provides a composite material container, characterized in that the composite material container comprises a container body consisting of a bottom, side walls, and ends;

[0007] The bottom includes a first steel substrate and a first coating disposed on the inner surface of the first steel substrate along the thickness direction; the first coating, from near to far from the first steel substrate, includes a first impregnation layer, a first glass fiber layer, a second impregnation layer, a second glass fiber layer, and a first surface adhesive layer.

[0008] The sidewall includes a first sidewall and a second sidewall; the end includes a first end and a second end;

[0009] The first sidewall, the second sidewall, the first end, and the second end each independently include a second steel substrate; the second steel substrate is divided into an upper half and a lower half along the height direction at the midpoint of the steel substrate;

[0010] The second steel material includes a second coating disposed on the inner surface of the upper half of the second steel material substrate along the thickness direction and a third coating disposed on the inner surface of the lower half of the second steel material substrate along the thickness direction.

[0011] The second coating, from the nearest to the farthest part of the upper half of the second steel substrate, includes a third impregnation layer, a third glass fiber layer, and a second surface adhesive layer; the third coating, from the nearest to the farthest part of the lower half of the second steel substrate, includes a fourth impregnation layer, a fourth glass fiber layer, a fifth impregnation layer, a fifth glass fiber layer, and a third surface adhesive layer.

[0012] Preferably, the first steel matrix and the second steel matrix comprise carbon steel.

[0013] Preferably, the thickness of the first steel substrate is 3-6 mm;

[0014] The thickness of the second steel substrate is 1.6 to 4 mm.

[0015] Preferably, the roughness of the first steel substrate and the second steel substrate are each independently Sa2 to Sa3.

[0016] Preferably, the first, second, third, fourth, and fifth wetting and penetrating layers are each independently made of vinyl resin.

[0017] Preferably, the thickness of each of the first, second, third, fourth, and fifth wetting and penetrating layers is independently 0.1 to 0.3 mm.

[0018] Preferably, the thickness of each of the first, second, third, fourth, and fifth glass fiber layers is independently 0.3 to 1 mm.

[0019] Preferably, the first surface coating layer, the second surface coating layer, and the third surface coating layer are each independently made of vinyl resin.

[0020] Preferably, the thickness of the first surface adhesive layer, the second surface adhesive layer, and the third surface adhesive layer is independently 0.1 to 0.5 mm.

[0021] The beneficial technical effects of the present invention through the above technical solution are as follows:

[0022] Compared to the traditional carbon steel + paint, "carbon steel + vinyl ester resin + fiberglass" has stronger impact resistance and corrosion resistance, which can extend the service life of the enclosure. This process is more suitable for the repair of old enclosures. For localized damage to the steel structure, traditional repairs require welding, grinding and painting at the damaged site. This solution can directly repair localized damage with fiberglass to achieve the same strength effect.

[0023] Other features and advantages of the present invention will be described in detail in the following detailed description section. Attached Figure Description

[0024] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the following detailed description to explain the invention, but do not constitute a limitation thereof.

[0025] Figure 1 The diagram shown is a structural schematic of the composite material container of the present invention. Detailed Implementation

[0026] The present invention will be further described in detail below through examples. All raw materials used in the examples are commercially available.

[0027] Example 1

[0028] A composite material container, the composite material container comprising a container body consisting of a bottom, side walls and ends;

[0029] The bottom includes a first steel substrate carbon steel (with a roughness of Sa2) and a first coating disposed on the inner surface of the first steel substrate along the thickness direction; the first coating includes, from near to far from the first steel substrate, a first impregnation layer, a first glass fiber layer, a second impregnation layer, a second glass fiber layer and a first surface adhesive layer.

[0030] The sidewall includes a first sidewall and a second sidewall; the end includes a first end and a second end;

[0031] The first sidewall, the second sidewall, the first end, and the second end each independently include a second steel base carbon steel (roughness Sa2); the second steel is divided into an upper half and a lower half along the height direction at the midpoint of the steel.

[0032] The second steel material includes a second coating disposed on the inner surface of the upper half of the second steel material substrate along the thickness direction and a third coating disposed on the inner surface of the lower half of the second steel material substrate along the thickness direction.

[0033] The second coating, from the nearest to the farthest part of the upper half of the second steel substrate, includes a third impregnation layer, a third glass fiber layer, and a second surface adhesive layer; the third coating, from the nearest to the farthest part of the lower half of the second steel substrate, includes a fourth impregnation layer, a fourth glass fiber layer, a fifth impregnation layer, a fifth glass fiber layer, and a third surface adhesive layer.

[0034] The thickness of the first, second, third, fourth, and fifth wetting and penetrating layers is 0.2 mm.

[0035] The first, second, third, fourth, and fifth wetting and penetrating layers are made of vinyl resin.

[0036] The thickness of the first, second, third, fourth, and fifth glass fiber layers is 0.5 mm.

[0037] The first surface adhesive layer, the second surface adhesive layer, and the third surface adhesive layer are made of vinyl resin;

[0038] The thickness of the first surface adhesive layer, the second surface adhesive layer, and the third surface adhesive layer is 0.3 mm.

[0039] Test Example 1

[0040] The test method was carried out in accordance with GB / T 10125 "Artificial Atmosphere Corrosion Test - Salt Spray Test". Detailed parameters are shown in Table 1, and test results are shown in Table 2.

[0041] Table 1

[0042]

[0043]

[0044] Table 2

[0045]

[0046] A1: Bottom Template 1

[0047] B1: Template for the upper half of the first side wall

[0048] B2: Sample of the lower half of the first side wall

[0049] C1: Upper half of the first end template

[0050] C2: Lower half of the first end template

[0051] D1: Upper half of the second end template

[0052] D2: Lower half of the second end template

[0053] As shown in Table 2, the test sample had a blistering level and a corrosion level of 10 in the 480h salt spray test.

[0054] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A composite material container, characterized in that, The composite material container includes a box body composed of a bottom, side walls, and ends; The bottom includes a first steel substrate and a first coating disposed on the inner surface of the first steel substrate along the thickness direction; the first coating, from near to far from the first steel substrate, includes a first impregnation layer, a first glass fiber layer, a second impregnation layer, a second glass fiber layer, and a first surface adhesive layer. The sidewall includes a first sidewall and a second sidewall; the end includes a first end and a second end; The first sidewall, the second sidewall, the first end, and the second end each independently include a second steel substrate; the second steel substrate is divided into an upper half and a lower half along the height direction at the midpoint of the steel substrate; The second steel material includes a second coating disposed on the inner surface of the upper half of the second steel material substrate along the thickness direction and a third coating disposed on the inner surface of the lower half of the second steel material substrate along the thickness direction. The second coating, from the nearest to the farthest part of the upper half of the second steel substrate, includes a third impregnation layer, a third glass fiber layer, and a second surface adhesive layer; the third coating, from the nearest to the farthest part of the lower half of the second steel substrate, includes a fourth impregnation layer, a fourth glass fiber layer, a fifth impregnation layer, a fifth glass fiber layer, and a third surface adhesive layer.

2. The composite material container according to claim 1, characterized in that, The first steel matrix and the second steel matrix include carbon steel.

3. The composite material container according to claim 1, characterized in that, The thickness of the first steel substrate is 3-6 mm; The thickness of the second steel substrate is 1.6 to 4 mm.

4. The composite material container according to claim 1, characterized in that, The roughness of the first steel matrix and the second steel matrix are independently Sa2 to Sa3.

5. The composite material container according to claim 1, characterized in that, Each of the first, second, third, fourth, and fifth wetting and penetrating layers is independently a vinyl resin.

6. The composite material container according to claim 1, characterized in that, The thickness of each of the first, second, third, fourth, and fifth wetting and penetrating layers is independently 0.1 to 0.3 mm.

7. The composite material container according to claim 1, characterized in that, The thickness of each of the first, second, third, fourth, and fifth glass fiber layers is independently 0.3 to 1 mm.

8. The composite material container according to claim 1, characterized in that, The first surface coating layer, the second surface coating layer, and the third surface coating layer are each independently made of vinyl resin.

9. The composite material container according to claim 1, characterized in that, The thickness of the first surface adhesive layer, the second surface adhesive layer, and the third surface adhesive layer is independently 0.1 to 0.5 mm.

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