A corrosion protection and thermal insulation composite structure for marine modules

Abstract

The utility model discloses a kind of heat preservation anticorrosion composite structures for ocean module, including heat preservation anticorrosion composite board, heat preservation anticorrosion composite board includes shell, shell includes rectangular steel frame structure layer, fireproof coating, anticorrosive coating are coated in order from inside to outside on the outer wall of rectangular steel frame structure layer, recess is opened in the left end of shell, the right end of shell is provided with protrusion, rectangular steel frame structure layer's inner wall is attached with heat preservation insulation cotton, rock wool board is set in the inside of heat preservation insulation, in two shells adjacent to left and right, the protrusion on the shell of one side can be inserted into the recess on the shell of another side and be connected with ocean module steel structure by countersunk head bolt, after heat preservation anticorrosion composite board laying is completed, a layer of moisture-proof material layer is laid on it. Heat preservation anticorrosion composite board is used to improve the corrosion resistance of module, carrying capacity and heat preservation capacity, while can reduce construction cost.

Description

Technical Field

[0001] This utility model relates to marine composite structures, and more particularly to a thermal insulation and corrosion-resistant composite structure for marine modules. Background Technology

[0002] In marine engineering modules, the module structure is usually required to have corrosion resistance and heat insulation capabilities. However, marine modules are often subject to corrosion from seawater, which can lead to module damage. Insulation is usually achieved using rock wool insulation boards, which are easily damaged and have poor load-bearing capacity. The structure is easily damaged when subjected to corrosion and vibration. In order to improve the module's corrosion resistance and internal heat insulation performance, it is necessary to apply anti-corrosion coatings multiple times and cover the outside of the rock wool boards with sheet metal. However, the effect is not good, which not only wastes material resources but also increases construction costs.

[0003] Chinese patent CN208563639U discloses "a thermal insulation color steel rock wool panel wall", which consists of color steel panels, rock wool panels, a metal mesh reinforcement layer, and gypsum board arranged sequentially from the outside to the inside; the upper and lower surfaces of the rock wool panels are coated with a fireproof coating, and the inner layer of the gypsum board is coated with a waterproof layer. This structure cannot be used in marine environments as it is prone to corrosion. In marine modular structures, the gypsum board is easily damaged, and its thermal insulation and fireproof performance cannot be guaranteed. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of existing technologies and provide a corrosion-resistant and heat-insulating composite structure for marine modules that improves the corrosion resistance, load-bearing capacity, and heat insulation capacity of the modules.

[0005] This utility model discloses a corrosion-resistant and heat-insulating composite structure for marine modules, comprising a heat-insulating and corrosion-resistant composite panel. The heat-insulating and corrosion-resistant composite panel includes an outer shell, which comprises a rectangular steel frame structure layer. A fire-retardant coating and an anti-corrosion coating are sequentially applied to the outer wall of the rectangular steel frame structure layer from the inside out. A groove is formed at the left end of the outer shell, and a protrusion is provided at the right end. Heat-insulating cotton is attached to the inner wall of the rectangular steel frame structure layer, and rock wool board is placed inside the heat-insulating layer. In two adjacent outer shells, the protrusion on one side can be inserted into the groove on the other side to securely connect the two. Countersunk bolt holes are formed in the groove, and the outer shell can be connected to the marine module steel structure by bolts passing through the countersunk bolt holes. A moisture-proof material layer is applied to the anti-corrosion coating.

[0006] The advantages of this utility model are: the use of thermal insulation and corrosion-resistant composite panels improves the module's corrosion resistance, load-bearing capacity, and thermal insulation capacity, while reducing construction costs. Attached Figure Description

[0007] Figure 1This is a schematic diagram of the installation of the heat-insulating and corrosion-resistant composite board in a corrosion-resistant and heat-insulating composite structure for marine modules according to this utility model. Figure 2 This is a schematic diagram of the fixing of a corrosion-resistant and heat-insulating composite structure for marine modules according to the present invention; Figure 3 For this Figure 1 The diagram shows a cross-sectional view of the structure. Detailed Implementation

[0008] The present invention will now be described in detail with reference to the accompanying drawings and specific examples.

[0009] As shown in the attached figure, this utility model discloses a corrosion-resistant and heat-insulating composite structure for marine modules, comprising a heat-insulating and corrosion-resistant composite panel 1. The heat-insulating and corrosion-resistant composite panel 1 includes an outer shell, which comprises a rectangular steel frame structure layer 1-3. A fire-retardant coating 1-2 and an anti-corrosion coating 1-1 are sequentially applied to the outer wall of the rectangular steel frame structure layer from the inside out. A groove is formed at the left end of the outer shell, and a protrusion is provided at the right end. Heat-insulating cotton 1-4 is attached to the inner wall of the rectangular steel frame structure layer, and a rock wool board 1-5 is placed inside the heat-insulating cotton 1-4. In two adjacent outer shells, the protrusion on one side can be inserted into the groove on the other side to fix them together. Countersunk bolt holes 1-6 are formed in the groove, and the outer shell can be connected to the marine module steel structure 2 by bolts passing through the countersunk bolt holes. After the heat-insulating and corrosion-resistant composite panel 1 is laid, a moisture-proof material layer 4 is laid on top of the anti-corrosion coating.

[0010] The working principle is as follows: In use, the first thermal insulation and corrosion-resistant composite panel 1 is fixed to the steel structure 2 of the marine module using countersunk bolts 3. Then, the protrusion of the second thermal insulation and corrosion-resistant composite panel 1 is inserted into the groove of the first thermal insulation and corrosion-resistant composite panel 1, and so on, until the entire perimeter of the marine module structure is covered with composite panels, forming a sealed space. On the inner surface of the sealed space, a moisture-proof material layer 4 is laid on the thermal insulation and corrosion-resistant composite panel 1. The anti-corrosion coating 1-1 can prevent seawater corrosion. The steel structure layer 1-3 improves the load-bearing capacity of the marine module structure. The thermal insulation cotton 1-4 and rock wool board 1-5 have thermal insulation, heat insulation and fireproof capabilities, which can improve the internal thermal insulation performance of the marine module structure. The moisture-proof material layer 4 improves the internal moisture-proof capability of the marine module.

Claims

1. A corrosion-resistant and thermally insulated composite structure for marine modules, comprising a thermally insulated and corrosion-resistant composite panel, wherein the thermally insulated and corrosion-resistant composite panel includes an outer shell, and the outer shell includes a rectangular steel frame structure layer, characterized in that: Fireproof coating and anti-corrosion coating are applied sequentially from the inside to the outside of the rectangular steel frame structure layer. A groove is provided at the left end of the shell and a protrusion is provided at the right end of the shell. Thermal insulation cotton is attached to the inner wall of the rectangular steel frame structure layer. Rock wool board is installed inside the thermal insulation. In two adjacent shells, the protrusion on one shell can be inserted into the groove on the other shell to fix them together. Countersunk bolt holes are provided in the groove. The shell can be connected to the marine module steel structure by bolts passing through the countersunk bolt holes. A moisture-proof material layer is applied on the anti-corrosion coating.

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