A slatted grille for the internal platform of a large marine liquefied gas storage tank

Abstract

The invention discloses a slat grille for an internal platform of a large-scale liquefied gas storage tank for a ship, comprising a slat grille, wherein the slat grille is composed of an upper flat steel and a lower flat steel, and the number of the upper flat steels is nine, the nine upper flat steels are arranged horizontally in parallel, and the length of the gaps between the upper flat steels is about 30 mm, a lower flat steel is vertically arranged at the lower end of the upper flat steel, and the number of the lower flat steels is four, two of the lower flat steels are located at the ends of the upper flat steel, and the two lower flat steels are evenly arranged in the middle of the upper flat steel, and the two ends of the slat grille are arranged on a support ring panel, and the support ring panel is a curved surface; the slat grille for the internal platform of a large-scale liquefied gas storage tank for a ship, by installing the slat grille, and the slat grille is erected on the opening of the support ring panel, so that the operator can quickly and conveniently pass through the long strip opening on the panel without hindering the flow of liquid cargo between the two support rings.

Description

Technical Field

[0001] The invention relates to the technical field of grilles, in particular to a slatted grille for an internal platform of a large-scale liquefied gas storage tank for ships. Background Art

[0002] With the advent of large liquefied gas storage tanks, liquid tanks using double-channel support rings have appeared. A support ring panel is installed on the double-channel support ring, and a support ring panel opening is opened on the support ring panel. However, it is difficult for operators to pass through the support ring panel opening, which brings inconvenience to use. For this reason, we propose a slatted grille for the internal platform of a large marine liquefied gas storage tank. Summary of the invention

[0003] The main purpose of the present invention is to provide a clamping claw locking device, which can effectively solve the problems in the background technology.

[0004] To achieve the above object, the technical solution adopted by the present invention is:

[0005] A slat grille for an internal platform of a large marine liquefied gas storage tank comprises a slat grille, wherein the slat grille is composed of upper flat steels and lower flat steels, and the number of the upper flat steels is nine, the nine upper flat steels are horizontally arranged in parallel, and the length of the gaps between the upper flat steels is about 30 mm, a lower flat steel is vertically arranged at the lower end of the upper flat steel, and the number of the lower flat steels is four, two of the lower flat steels are located at the ends of the upper flat steels, and the two lower flat steels are evenly arranged in the middle of the upper flat steels, both ends of the slat grille are arranged on a support ring panel, and the support ring panel is a curved surface, support rings are installed on both sides of the support ring panel, and a support ring panel opening is opened on the support ring panel, the slat grille is erected on the support ring panel opening, and the shape of the support ring panel opening is a long strip.

[0006] Preferably, the upper flat steel and the lower flat steel are connected via a fillet weld.

[0007] Preferably, the two lower flat steels arranged at both ends of the upper flat steel are connected to the support ring panel by intermittent welding, and the welding seam length is 50 mm and the spacing is 10 mm.

[0008] Preferably, the lower flat steel is fixedly connected to the support ring panel by welding, and the fillet weld between the lower flat steel and the support ring panel is connected by intermittent welding.

[0009] Preferably, the length of the upper flat steel and the lower flat steel are both 700 mm, and the width are both 50 mm.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. A slatted grille for the internal platform of a large marine liquefied gas storage tank is provided with a slatted grille, and the slatted grille is mounted on the opening of the support ring panel, so that the operator can quickly and conveniently pass through the long strip opening on the panel without hindering the flow of liquid cargo between two support rings.

[0012] 2. The slat grille for the internal platform of a large liquefied gas storage tank for ships adopts intermittent welding between the lower flat steels arranged at both ends of the upper flat steel and the support ring panel. There is no large force between the slat grille and the support ring panel, which saves costs to the greatest extent while ensuring safety.

[0013] 3. The slat grille for the internal platform of a large marine liquefied gas storage tank is provided with a slat grille, and the slat grille is located on a support ring panel. The support panel is a curved surface, so that the slat grille completely fits the support ring panel, making it more stable and safe for workers to pass through the slat grille. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the overall structure of a slatted grille for the internal platform of a large marine liquefied gas storage tank;

[0015] Figure 2 A top view of a slatted grille for an internal platform of a large marine liquefied gas storage tank;

[0016] Figure 3 A side view of a slatted grille for the internal platform of a large marine liquefied gas storage tank.

[0017] In the figure: 1. support ring; 2. support ring panel; 3. support ring panel opening; 4. upper flat steel; 5. lower flat steel; 6. slatted grille. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0019] See also Figure 1-3A slat grille for an internal platform of a large marine liquefied gas storage tank comprises a slat grille 6, wherein the slat grille 6 is composed of an upper flat steel 4 and a lower flat steel 5, and the number of the upper flat steels 4 is nine, the nine upper flat steels 4 are arranged horizontally in parallel, and the length of the gap between the upper flat steels 4 is about 30 mm, a lower flat steel 5 is vertically arranged at the lower end of the upper flat steel 4, and the number of the lower flat steels 5 is four, two of the lower flat steels 5 are located at the ends of the upper flat steel 4, and the two lower flat steels 5 are evenly arranged in the middle of the upper flat steel 4, both ends of the slat grille 6 are arranged on a support ring panel 2, and the support ring panel 2 is a curved surface, support rings 1 are installed on both sides of the support ring panel 2, and a support ring panel opening 3 is opened on the support ring panel 2, the slat grille 6 is erected on the support ring panel opening 3, and the shape of the support ring panel opening 3 is a long strip.

[0020] The upper flat steel 4 is connected to the lower flat steel 5 by a fillet weld; the two lower flat steels 5 arranged at both ends of the upper flat steel 4 are connected to the support ring panel 2 by intermittent welding, and the welding seam length is 50mm and the spacing is 10mm; the lower flat steel 5 is fixedly connected to the support ring panel 2 by welding, and the fillet welds between the lower flat steel 5 and the support ring panel 2 are connected by intermittent welding; the length of the upper flat steel 4 and the lower flat steel 5 are both 700mm, and the width is 50mm.

[0021] It should be noted that the present invention is a slat grille for the internal platform of a large-scale liquefied gas storage tank for ships. The slat grille 6 is welded by more than a dozen flat steels with a width of 50mm and a length of about 700mm. When working, firstly, the four lower flat steels 5 are pressed into a circle according to the curvature of the upper end of the support ring panel 2, and then the nine upper flat steels 4 are placed horizontally across the opening 3 of the support ring panel, and a 30mm gap is left between the flat steels. Four curvatured horizontally placed lower flat steels 5 are evenly arranged in the vertical direction below the upper flat steel 4, two of which are installed at the two ends of the upper flat steel 4, and the other two are evenly arranged according to the size. Then, the upper flat steel 4 is connected to the lower flat steel 5 by a fillet weld, and the two lower flat steels 5 installed at the two ends of the upper flat steel 4 are connected to the support ring panel 2 by a weld. Intermittent welding is performed with a weld length of 50 mm and a spacing of 10 mm. Since there is no great force between the slat grille 6 and the support ring panel 2, intermittent welding is used for the fillet weld between the lower flat steel 5 and the support ring panel 2. This saves costs to the greatest extent while ensuring safety. Moreover, the support ring panel 2 is a curved surface, so that the slat grille 6 is completely fitted to the support ring panel 2, making it more stable and safe for personnel to pass through the slat grille 6. By installing the slat grille 6, the slat grille 6 structure can be matched with the shape and size of the non-standard support structure. Moreover, the slat grille 6 is mounted on the opening 3 of the support ring panel, so that the operator can pass through quickly and conveniently without hindering the flow of liquid cargo between the two support rings 1, thereby realizing the function of the platform to facilitate the passage of operators. The operation is convenient and practical.

[0022] 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. A slatted grid for an internal platform of a large liquefied gas storage tank for a ship, comprising a slatted grid (6), characterized in that: The slatted grille (6) is composed of an upper flat steel (4) and a lower flat steel (5), and the number of the upper flat steels (4) is nine, and the nine upper flat steels (4) are arranged horizontally in parallel, and the length of the gap between the upper flat steels (4) is 30 mm, and the lower end of the upper flat steel (4) is vertically provided with a lower flat steel (5), and the number of the lower flat steels (5) is four, two of the lower flat steels (5) are located at the ends of the upper flat steel (4), and the two lower flat steels (5) are arranged at the ends of the upper flat steel (4). The flat steel (5) is evenly arranged in the middle of the upper flat steel (4); the two ends of the slatted grille (6) are arranged on the support ring panel (2); the support ring panel (2) is a curved surface; support rings (1) are installed on both sides of the support ring panel (2); a support ring panel opening (3) is opened on the support ring panel (2); the slatted grille (6) is mounted on the support ring panel opening (3); and the shape of the support ring panel opening (3) is a long strip; The upper flat steel (4) and the lower flat steel (5) are connected via a fillet weld; The two lower flat steel bars (5) provided at both ends of the upper flat steel bar (4) are connected to the support ring panel (2) by intermittent welding, and the welding seam length is 50 mm and the spacing is 10 mm; The lower flat steel (5) is fixedly connected to the support ring panel (2) by welding, and the fillet weld between the lower flat steel (5) and the support ring panel (2) is connected by intermittent welding; The upper flat steel (4) and the lower flat steel (5) are both 700 mm long and 50 mm wide.

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