Wide-channel plate-type low-temperature economizer anti-abrasion structure

Abstract

The utility model discloses an anti-abrasion structure of a wide-channel plate type low-temperature economizer, and relates to the technical field of heat exchange plate protection. Comprising a long-strip-shaped plate installed on one side of the windward end of a heat exchange plate, a clamping groove is formed in the end, facing the heat exchange plate, of the long-strip-shaped plate, the end side of the heat exchange plate is sleeved with the clamping groove, positioning assemblies are arranged at the two ends of the long-strip-shaped plate correspondingly, and the two positioning assemblies are detachably connected with a top plate and a bottom plate of the economizer correspondingly; a plurality of first positioning grooves are formed in the ends, deviating from the clamping grooves, of the long-strip-shaped plates. According to the utility model, the strip-shaped plate is arranged on the windward end of the heat exchange plate, so that the windward side of the end part of the heat exchange plate can be effectively protected by the strip-shaped plate, the end part of the heat exchange plate is effectively prevented from being abraded due to the impact of flue gas, and the service life of the heat exchange plate is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange plate protection, in particular to a wide channel plate type low-temperature economizer anti-wear structure. Background Art

[0002] A number of heat exchange plates are usually installed in a plate economizer. After the economizer is installed as a whole in the flue, the windward side of the heat exchange plate will be impacted by the flue gas. The heat exchange plate is usually made of two steel plates stacked and welded together, so that the windward side of the end of the heat exchange plate is impacted by the flue gas for a long time, which can easily cause wear and tear, leading to cracking of the two steel plates. Therefore, there is an urgent need for a wide-channel plate-type low-temperature economizer anti-wear structure that can effectively protect the windward side of the end of the heat exchange plate, avoid damage to the heat exchange plate, and extend the service life of the heat exchange plate. Utility Model Content

[0003] The utility model aims to provide a wide channel plate type low temperature economizer anti-wear structure to solve the problems existing in the above-mentioned prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following solution: The utility model provides a wide-channel plate-type low-temperature economizer anti-wear structure, including a long strip plate installed on the windward side of the heat exchange plate, the long strip plate is provided with a slot at one end facing the heat exchange plate, the slot is sleeved on the end side of the heat exchange plate, positioning components are respectively provided at both ends of the long strip plate, the two positioning components are respectively detachably connected to the top plate and the bottom plate of the economizer, and a plurality of first positioning grooves are provided at the end of the long strip plate away from the slot.

[0005] Preferably, the length of the long plate matches the length of the end side of the heat exchange plate.

[0006] Preferably, the width of the slot is matched to the thickness of the heat exchange plate.

[0007] Preferably, the positioning assembly comprises a through hole formed on the outer wall of the long plate, the through hole is connected to a limiting groove, the limiting groove is formed in the long plate, and a movable part is arranged in the limiting groove.

[0008] Preferably, the movable part includes a positioning column slidably connected to the through hole, one end of the positioning column extending into the limiting groove is fixedly connected to a limiting plate, and one end of the limiting plate facing away from the positioning column is fixedly connected to a spring, and the spring is arranged in the limiting groove.

[0009] Preferably, one end of the positioning column away from the limiting plate extends out of the through hole.

[0010] The utility model discloses the following technical effects:

[0011] The utility model uses a long strip plate installed at the windward end of the heat exchange plate, enabling the long strip plate to effectively protect the windward surface at the end of the heat exchange plate, effectively avoiding wear caused by the impact of flue gas on the end of the heat exchange plate, and effectively extending the service life of the heat exchange plate. Brief Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of the through hole of the present utility model;

[0015] Figure 3 It is a schematic diagram of the triangular plate structure of the present utility model;

[0016] Figure 4 It is a schematic diagram of the semi-circular plate structure of the present utility model;

[0017] Figure 5 It is a schematic diagram of the structure of the long strip plate of the present utility model without the installation of the positioning component;

[0018] Figure 6 It is a schematic diagram of the long strip plate in the fifth embodiment of the present utility model;

[0019] Figure 7 For the present utility model Figure 6 The cross-sectional structure diagram at A-A;

[0020] Figure 8 For the present utility model Figure 6 The cross-sectional structure diagram at B-B;

[0021] Figure 9 It is a schematic diagram of the long strip plate structure in the sixth embodiment of the present utility model;

[0022] Figure 10 It is a schematic diagram of the positioning plate structure in the sixth embodiment of the present utility model;

[0023] Figure 11 It is a schematic diagram of the clamping structure between the long strip plate and the positioning plate in the sixth embodiment of the present utility model;

[0024] Among them, 1. long strip; 2. card slot; 3. first positioning slot; 4. through hole; 5. limit slot; 6. limit plate; 7. spring; 8. positioning column; 9. triangular plate; 10. semicircular plate; 11. notch; 12. positioning plate; 13. second positioning slot. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] Embodiment 1

[0028] Reference Figure 1 - Figure 2 The utility model discloses a wide channel plate type low temperature economizer anti-wear structure, including a long strip plate 1 installed on the windward end side of the heat exchange plate, the long strip plate 1 is provided with a slot 2 at one end facing the heat exchange plate, the slot 2 is sleeved on the end side of the heat exchange plate, positioning components are respectively provided at both ends of the long strip plate 1, the two positioning components are respectively detachably connected to the top plate and the bottom plate of the economizer, and a plurality of first positioning grooves 3 are provided at the end of the long strip plate 1 away from the slot 2.

[0029] The utility model installs the long strip plate 1 on the windward end of the heat exchange plate, so that the long strip plate 1 can effectively protect the windward surface of the end of the heat exchange plate, effectively avoid the wear of the end of the heat exchange plate caused by the impact of flue gas, and effectively extend the service life of the heat exchange plate.

[0030] In a further optimized solution, the length of the long plate 1 matches the length of the end side of the heat exchange plate, so that the long plate 1 can effectively protect the end of the heat exchange plate.

[0031] In a further optimized solution, the width of the slot 2 is adapted to the thickness of the heat exchange plate, so that the long plate 1 can be installed at the end of the heat exchange plate.

[0032] According to a further optimized solution, the positioning assembly includes a through hole 4 formed on the outer wall of the long board 1 , the through hole 4 is connected to a limiting groove 5 , the limiting groove 5 is formed in the long board 1 , and a movable part is arranged in the limiting groove 5 .

[0033] For a further optimized solution, the movable part includes a positioning post 8 slidably connected to the through hole 4. One end of the positioning post 8 extending into the limiting groove 5 is fixedly connected with a limiting plate 6. One end of the limiting plate 6 facing away from the positioning post 8 is fixedly connected with a spring 7, and the spring 7 is arranged in the limiting groove 5.

[0034] For a further optimized solution, the end of the positioning post 8 away from the limiting plate 6 extends out of the through hole 4.

[0035] A number of long strip plates 1 are provided, which are determined according to the number of heat exchange plates installed on each economizer.

[0036] In order to enable the long strip plate 1 to be more stable at the end of the heat exchange plate, the first positioning groove 3 is detachably connected with a positioning plate. Both ends of the positioning plate are fixedly connected with the brackets on both sides of the economizer, so that the long strip plate 1 can be stably at the end of the windward side of the heat exchange plate.

[0037] Working process: According to the number of heat exchange plates installed on the economizer, determine the required number of long strip plates 1. When installing the long strip plate 1, press the positioning post 8 into the through hole 4, so that both ends of the long strip plate 1 are between the top plate and the bottom plate of the economizer. Positioning holes are respectively formed on the top plate and the bottom plate of the economizer, and the positioning holes are correspondingly arranged with the positioning post 8. When the through holes 4 at both ends of the long strip plate 1 are respectively communicated with the positioning holes, the spring 7 pushes the limiting plate 6 to move along the limiting groove 5, and the limiting plate 6 drives the positioning post 8 to insert into the positioning hole, so that the long strip plate 1 can be installed between the top plate and the bottom plate of the economizer. At the same time, the end of the heat exchange plate is placed in the clamping groove 2; repeat the above installation process, and the long strip plate 1 can be installed at the windward end of each heat exchange plate.

[0038] Embodiment 2

[0039] Refer to Figure 3 In this embodiment, the difference from Embodiment 1 is that, in order to make the flow of the flue gas smoother, a triangular plate 9 is fixedly connected to the end of the long strip plate 1 away from the clamping groove 2. A number of first through grooves are formed on the triangular plate 9, and the first through grooves are correspondingly arranged and communicated with the first positioning grooves 3 one by one. The tip of the triangular plate 9 enables the flue gas to flow smoothly along both sides of the triangular plate 9.

[0040] Embodiment 3

[0041] Refer to Figure 4 In this embodiment, the difference from Embodiment 1 is that, in order to make the flow of the flue gas smoother, a semi-circular plate 10 is fixedly connected to the end of the long strip plate 1 away from the clamping groove 2. A number of second through grooves are formed on the semi-circular plate 10, and the second through grooves are correspondingly arranged and communicated with the first positioning grooves 3 one by one. The arc surface of the semi-circular plate 10 enables the flue gas to flow smoothly along both sides of the semi-circular plate 10.

[0042] Embodiment 4

[0043] Reference Figure 5 The difference between this embodiment and the first embodiment is that, in order to reduce the manufacturing cost of the long plate 1, no positioning components are provided at both ends of the long plate 1. When the long plate 1 is installed on the end of the windward surface of the heat exchange plate, the long plate 1 can be fixed between the top plate and the bottom plate by welding the two ends of the long plate 1 to the top plate and the bottom plate of the economizer respectively.

[0044] Embodiment 5

[0045] Reference Figure 6 - Figure 8 The difference between this embodiment and the first embodiment is that a slot 2 is provided on the side of the long plate 1 away from the windward end, the slot 2 is connected to a plurality of notches 11, the slot 2 is provided in a trapezoidal shape, and the end with the larger opening of the slot 2 is provided on the end face of the long plate 1; the two ends of the long plate 1 are respectively welded to the top plate and the bottom plate of the economizer by welding, so that the long plate 1 can be fixed between the top plate and the bottom plate.

[0046] Embodiment 6

[0047] Reference Figure 9 - Figure 11 The difference between this embodiment and the fifth embodiment is that a positioning plate 12 is provided at the windward end of the long plate 1, and the two ends of the positioning plate 12 are respectively welded to the two side plates of the economizer by welding, and a plurality of second positioning grooves 13 are provided at one end of the positioning plate 12 facing the long plate 1, and the second positioning grooves 13 are clamped with the long plate 1, and the second positioning grooves 13 are arranged one by one with the long plate 1, and a clamping groove 2 is provided on the side of the long plate 1 away from the windward end.

[0048] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0049] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A wear-resistant structure for a wide-channel plate-type low-temperature economizer, characterized in that: The invention comprises a long strip (1) installed on the windward end of a heat exchange plate, wherein a slot (2) is provided at one end of the long strip (1) facing the heat exchange plate, wherein the slot (2) is sleeved on the end of the heat exchange plate, and positioning components are respectively provided at both ends of the long strip (1), wherein the two positioning components are respectively detachably connected to the top plate and the bottom plate of the economizer, and a plurality of first positioning slots (3) are provided at one end of the long strip (1) away from the slot (2).

2. The anti-abrasion structure of the wide-channel plate-type low-temperature economizer according to claim 1, wherein: The length of the long strip plate (1) is adapted to the length of the end side of the heat exchange plate.

3. The anti-wear structure of the wide-channel plate-type low-temperature economizer according to claim 1, characterized in that: The width of the slot (2) is adapted to the thickness of the heat exchange plate.

4. The anti-wear structure of the wide-channel plate-type low-temperature economizer according to claim 1, characterized in that: The positioning assembly comprises a through hole (4) formed on the outer wall of the long plate (1), the through hole (4) being connected to a limiting groove (5), the limiting groove (5) being formed in the long plate (1), and a movable part being arranged in the limiting groove (5).

5. The anti-wear structure of the wide-channel plate-type low-temperature economizer according to claim 4, characterized in that: The movable part comprises a positioning column (8) slidably connected to the through hole (4); one end of the positioning column (8) extending into the limiting groove (5) is fixedly connected to the limiting plate (6); one end of the limiting plate (6) facing away from the positioning column (8) is fixedly connected to a spring (7); and the spring (7) is arranged in the limiting groove (5).

6. The anti-wear structure of the wide-channel plate-type low-temperature economizer according to claim 5, characterized in that: One end of the positioning column (8) away from the limiting plate (6) extends out of the through hole (4).

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