Heat insulation plate assembly of coal economizer

Abstract

The utility model discloses an economizer heat insulation plate assembly which comprises an economizer outer plate, a heat insulation plate and a protection plate, the heat insulation plate is clamped between the economizer outer plate and the protection plate, and the protection plate and the economizer outer plate are arranged in a spaced mode. A fixing assembly used for fixing the position of the protection plate is arranged between the protection plate and the economizer outer plate. A supporting convex wall is arranged at the bottom end of the economizer outer plate and / or the bottom end of the protection plate, and the upper wall of the supporting convex wall abuts against the lower wall of the heat insulation plate. The heat insulation plate assembly of the coal economizer is reasonable in structure, heat in the coal economizer can be further reduced to be dissipated to the outside, and loss of the heat in the coal economizer is reduced.

Description

Technical Field

[0001] The utility model relates to a heat insulation plate assembly, in particular to an economizer heat insulation plate assembly. Background Art

[0002] In the prior art, in order to reduce the waste of resources caused by the heat dissipation of the economizer into the air, heat insulation plates are often added to the side walls of the economizer to minimize the diffusion of the heat inside the economizer into the outside air. However, simply inserting heat insulation plates into the metal side walls of the economizer can only reduce part of the heat dissipation into the outside air. Since the inner wall and the outer wall of the economizer are still connected through the upper and lower walls and the side walls, the heat received by the inner wall of the economizer can still be quickly conducted to the outer wall through the upper and lower walls and the side walls, and heat exchange occurs between the outer wall and the outside air.

[0003] Therefore, it is necessary to improve the economizer heat insulation plate assembly in the prior art. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the defects existing in the prior art, and provide an economizer heat insulation plate assembly, which can further reduce the heat dissipation inside the economizer to the outside and reduce the heat loss inside the economizer.

[0005] To achieve the above technical effects, the technical solution of the utility model is: an economizer heat insulation plate assembly, including an economizer outer plate, a heat insulation plate and a protection plate. The heat insulation plate is clamped between the economizer outer plate and the protection plate. The protection plate is spaced from the economizer outer plate, and a fixing component for fixing the position of the protection plate is arranged between the protection plate and the economizer outer plate; a supporting convex wall is arranged at the bottom end of the economizer outer plate and / or the protection plate, and the upper wall of the supporting convex wall abuts against the lower wall of the heat insulation plate.

[0006] Preferably, the fixing component includes a plurality of fixing rods and fixing blocks fixedly connected to the fixing rods. One end of the fixing rod is fixedly connected to the economizer outer plate. The fixing rod passes through the heat insulation plate and protrudes outside the protection plate. The heat insulation plate and the protection plate are clamped between the economizer outer plate and the fixing blocks.

[0007] Preferably, the fixing block is threadedly connected to the fixing rod.

[0008] Preferably, the fixing block includes a metal part threadedly connected to the fixing rod and a heat insulation layer fixed outside the metal part.

[0009] Preferably, the protection plate is provided with through holes for the fixing rods to pass through, and the heat insulation layer is arranged between the inner wall of the through holes and the metal part.

[0010] Preferably, a smoke blocking plate is detachably arranged below the fixing block.

[0011] Preferably, the protection plate is provided with an installation protrusion protruding therefrom, the smoke blocking plate is provided with an installation groove that is inserted and matched with the installation protrusion, and a limiting groove and an elastic protrusion for limiting cooperation are arranged between the installation protrusion and the installation groove.

[0012] Preferably, the economizer outer plate, the heat insulation plate and the protection plate are provided with through holes for the heat exchange pipes to pass through.

[0013] Preferably, a plurality of reinforcing ribs are fixedly arranged on the outer wall of the economizer outer plate.

[0014] The advantages and beneficial effects of the present utility model are as follows: The economizer heat insulation plate assembly of the present utility model has a reasonable structure. By arranging the heat insulation plate and the protection plate, and the protection plate is spaced from the economizer outer plate, it not only plays a role in protecting the heat insulation plate and prolongs the service life of the heat insulation plate, but also further reduces the heat dissipation in the economizer to the outside air and reduces the heat loss in the economizer. Brief Description of the Drawings

[0015] Figure 1 is a schematic structural view of an embodiment of the economizer heat insulation plate assembly of the present utility model;

[0016] Figure 2 is Figure 1 an exploded view of

[0017] Figure 3 is a schematic structural view of the economizer outer plate and the protection plate;

[0018] Figure 4 is a schematic structural view of the smoke blocking plate;

[0019] Figure 5 is a schematic view of the state where the fixing rod is connected to the fixing block;

[0020] Figure 6 is Figure 5 a cross-sectional view of

[0021] In the figure: 1, economizer outer plate; 11, reinforcing rib; 2, heat insulation plate; 3, protection plate; 31, installation protrusion; 32, limiting groove; 33, through hole; 4, supporting convex wall; 5, fixing rod; 6, fixing block; 61, metal part; 62, heat insulation layer; 7, smoke blocking plate; 71, installation groove; 72, elastic protrusion; 8, through hole. Detailed Description of the Embodiment

[0022] The following further describes the specific embodiments of the present utility model in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solutions of the present utility model and cannot be used to limit the protection scope of the present utility model.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Embodiment

[0024] As Figures 1-6 shown, the economizer heat insulation plate assembly of the embodiment includes an economizer outer plate 1, a heat insulation plate 2, and a protection plate 3. The heat insulation plate 2 is clamped between the economizer outer plate 1 and the protection plate 3. The protection plate 3 is spaced from the economizer outer plate 1, and a fixing assembly for fixing the position of the protection plate 3 is provided between the protection plate 3 and the economizer outer plate 1; a support convex wall 4 is provided at the bottom end of the economizer outer plate 1 and / or the protection plate 3, and the upper wall of the support convex wall 4 abuts against the lower wall of the heat insulation plate 2.

[0025] Through such a design, the heat insulation plate 2 can reduce the heat dissipation in the economizer to the outside air. The protection plate 3 can protect the heat insulation plate 2 and is spaced from the economizer outer plate 1, which can prevent the heat in the economizer from being transferred to the economizer outer plate 1 through the protection plate 3; the support convex wall 4 can support the heat insulation plate 2.

[0026] Specifically, the fixing assembly includes a plurality of fixing rods 5 and a fixing block 6 fixedly connected to the fixing rods 5. One end of the fixing rod 5 is fixedly connected to the economizer outer plate 1. The fixing rod 5 passes through the heat insulation plate 2, and the fixing rod 5 protrudes outside the protection plate 3. The heat insulation plate 2 and the protection plate 3 are clamped between the economizer outer plate 1 and the fixing block 6.

[0027] Through such a design, the purpose of fixedly connecting the protection plate 3 to the economizer outer plate 1 is achieved.

[0028] Further, the fixing block 6 is threadedly connected to the fixing rod 5.

[0029] Through such a design, the firmness of the fixation of the protection plate 3 is ensured.

[0030] Further, the fixing block 6 includes a metal part 61 threadedly connected to the fixing rod 5 and a heat insulation layer 62 fixed outside the metal part 61.

[0031] With such a design, a large amount of heat in the economizer is prevented from being transferred to the fixing rod 5 through the fixing block 6.

[0032] Further, the protection plate 3 is provided with a through hole 33 for the fixing rod 5 to pass through, and the heat insulation layer 62 is arranged between the inner wall of the through hole 33 and the metal part 61.

[0033] With such a design, a large amount of heat in the economizer is prevented from being transferred to the fixing rod 5 through the protection plate 3.

[0034] Further, a smoke blocking plate 7 is detachably arranged below the fixing block 6.

[0035] With such a design, a certain protection effect is achieved on the fixing block 6, and the erosion of the fixing block 6 by the flue gas is reduced.

[0036] Specifically, the protection plate 3 protrudes with an installation protrusion 31, the smoke blocking plate 7 is provided with an installation groove 71 that is inserted and matched with the installation protrusion 31, and a limiting groove 32 and an elastic protrusion 72 that are in limiting cooperation are arranged between the installation protrusion 31 and the installation groove 71.

[0037] With such a design, the purpose of detachable and replaceable of the smoke blocking plate 7 is achieved.

[0038] Specifically, the economizer outer plate 1, the heat insulation plate 2, and the protection plate 3 are provided with through holes 8 for the heat exchange tubes to pass through.

[0039] With such a design, the normal installation of the heat exchange tubes is ensured.

[0040] Specifically, a plurality of reinforcing ribs 11 are fixedly arranged on the outer wall of the economizer outer plate 1.

[0041] With such a design, the strength of the economizer outer plate 1 is improved.

[0042] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. An economizer insulation board assembly, characterized in that: The invention comprises an economizer outer plate (1), a heat insulation plate (2) and a protective plate (3); the heat insulation plate (2) is sandwiched between the economizer outer plate (1) and the protective plate (3); the protective plate (3) and the economizer outer plate (1) are spaced apart; a fixing component for fixing the position of the protective plate (3) is provided between the protective plate (3) and the economizer outer plate (1); a supporting convex wall (4) is provided at the bottom end of the economizer outer plate (1) and / or the protective plate (3); the upper wall of the supporting convex wall (4) is arranged to abut against the lower wall of the heat insulation plate (2).

2. The economizer insulation plate assembly according to claim 1, characterized in that: The fixing assembly comprises a plurality of fixing rods (5) and fixing blocks (6) fixedly connected to the fixing rods (5); one end of the fixing rod (5) is fixedly connected to the economizer outer plate (1); the fixing rod (5) is inserted into the heat insulation plate (2); the fixing rod (5) protrudes from the outside of the protection plate (3); and the heat insulation plate (2) and the protection plate (3) are sandwiched between the economizer outer plate (1) and the fixing block (6).

3. The economizer insulation plate assembly according to claim 2, characterized in that: The fixing block (6) is threadedly connected to the fixing rod (5).

4. The economizer insulation plate assembly according to claim 3, characterized in that: The fixing block (6) comprises a metal part (61) threadedly connected to the fixing rod (5) and a heat insulation layer (62) fixed outside the metal part (61).

5. The economizer insulation plate assembly according to claim 4, characterized in that: The protection plate (3) is provided with a through hole (33) for the fixing rod (5) to pass through, and the heat insulation layer (62) is provided between the inner wall of the through hole (33) and the metal part (61).

6. The economizer insulation plate assembly according to claim 5, characterized in that: A smoke blocking plate (7) is detachably provided below the fixing block (6).

7. The economizer insulation plate assembly according to claim 6, characterized in that: The protection plate (3) is provided with a mounting protrusion (31) protruding therefrom, the smoke blocking plate (7) is provided with a mounting groove (71) pluggably matched with the mounting protrusion (31), and a position limiting groove (32) and an elastic protrusion (72) that are mutually limited and matched are provided between the mounting protrusion (31) and the mounting groove (71).

8. The economizer insulation plate assembly according to claim 1, characterized in that: The economizer outer plate (1), the heat insulation plate (2) and the protection plate (3) are provided with through holes (8) for heat exchange tubes to pass through.

9. The economizer insulation plate assembly according to claim 1, characterized in that: The outer wall of the economizer outer plate (1) is fixedly provided with a plurality of reinforcing ribs (11).

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