Helical finned tube mounting structure of high-temperature economizer

Abstract

The utility model discloses a spiral finned tube mounting structure of a high-temperature economizer, and relates to the technical field of general heat exchange. A high-temperature economizer spiral finned tube installation structure comprises an economizer installation frame and spiral finned tubes, the spiral finned tubes are installed in the economizer installation frame, installation holes are formed in the two sides of the economizer installation frame, and limiting sliding grooves are formed in the inner walls of the two installation holes. Through the cooperation of a rotating arc plate, sliding arc plates, a limiting sliding plate, a fixed arc plate, two rotating rods and two torsional springs, the fixed arc plate can be clamped with a fixed clamping groove in the rotating arc plate, so that the rotating arc plate is fixed conveniently, the two ends of the spiral finned tube only need to be placed on the two sliding arc plates, and the spiral finned tube can be installed conveniently. And then the two rotating arc plates can conveniently fix the spiral finned tube, the situation that a large amount of time and manpower need to be consumed in the installation process is avoided, and the installation efficiency of the spiral finned tube is further improved.

Description

Technical Field

[0001] The utility model relates to the general field of heat exchange technology, in particular to a spiral fin tube installation structure of a high-temperature economizer. Background Art

[0002] Economizer is a device installed at the lower part of the flue at the rear of the boiler to recover the waste heat of the exhaust gas. It heats the boiler feed water into a heating surface of saturated water under the drum pressure. Because it absorbs the heat of high-temperature flue gas, it reduces the exhaust temperature of the flue gas, saves energy and improves efficiency, so it is called an economizer.

[0003] The existing high-temperature economizer spiral fin tube installation structure usually adopts welding or bolt connection. Although these methods can fix the fin tube, it takes a lot of time and manpower during the installation process. In addition, since the fin tube is heavy and large in size, multiple people are required to cooperate in the installation process, which results in low efficiency of the spiral fin tube during installation. Therefore, a high-temperature economizer spiral fin tube installation structure is needed. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a high-temperature economizer spiral finned tube installation structure that can solve the problem that a lot of time and manpower are consumed during the installation process, and because the finned tubes are heavy and large in size, multiple people are required to cooperate in the installation process, resulting in low efficiency of the spiral finned tubes during installation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-temperature economizer spiral fin tube installation structure, including an economizer installation frame and a spiral fin tube, the spiral fin tube is installed inside the economizer installation frame, both sides of the economizer installation frame are provided with installation holes, the inner walls of the two installation holes are provided with limiting slide grooves, and the economizer installation frame is provided with an installation assembly, the installation assembly includes a limiting slide plate, a rotating shaft and a rotating arc plate, the limiting slide plate is slidably connected to the inside of the limiting slide groove, the side of the limiting slide plate close to the spiral fin tube is fixedly connected with the sliding arc plate, the spiral fin tube is placed inside the sliding arc plate, and the rotating arc plate is rotatably connected to the top of the sliding arc plate through the rotating shaft.

[0006] Preferably, three springs are fixedly connected to the side of the limiting slide away from the spiral fin tube, and one end of the three springs away from the limiting slide is fixedly connected to the inner wall of the limiting slide groove. A rotating groove is provided on the outer surface of the sliding arc plate, and positioning grooves are provided on both sides of the inner wall of the rotating groove.

[0007] Preferably, a fixed slot is provided on the outer surface of the rotating arc plate, a fixed arc plate is rotatably connected inside the rotating slot, the fixed arc plate is engaged with the fixed slot, and a groove for facilitating pulling is provided on the side of the fixed arc plate away from the sliding arc plate.

[0008] Preferably, both sides of the fixed arc plate are fixedly connected with rotating rods, the two rotating rods are rotatably connected to the corresponding positioning grooves, and the outer surfaces of the two rotating rods are sleeved with torsion springs.

[0009] Preferably, the fixed slot and the fixed arc plate are both "T" shaped.

[0010] Preferably, the number of the mounting components is two, and the two mounting components are symmetrically arranged on both sides of the economizer mounting frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The high-temperature economizer spiral fin tube installation structure, through the cooperation of a rotating arc plate, a sliding arc plate, a limiting slide plate, a fixed arc plate, two rotating rods and two torsion springs, enables the fixed arc plate to be engaged with the fixed slot on the rotating arc plate, thereby facilitating the fixing of the rotating arc plate. The installation of the spiral fin tube only requires placing its two ends on two sliding arc plates, and then the two rotating arc plates are used to fix the spiral fin tube, thereby avoiding the need to spend a lot of time and manpower during the installation process, and further improving the efficiency of the spiral fin tube installation.

[0013] (2) The high-temperature economizer spiral fin tube installation structure, through the cooperation of the limiting slide groove, the limiting slide plate and three springs, enables the three springs to drive the limiting slide plate to move under the guidance of the limiting slide groove, so that the sliding arc plate can be temporarily retracted into the installation hole, thereby facilitating the installation of multiple spiral fin tubes in the economizer mounting frame, thereby improving the installation efficiency of the installation assembly for the spiral fin tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the rotating arc plate structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the economizer mounting frame of the utility model;

[0018] Figure 4 It is a schematic diagram of the fixed arc plate structure of the utility model.

[0019] Figure numerals: 1. economizer mounting frame; 2. spiral fin tube; 3. rotating arc plate; 4. sliding arc plate; 5. limiting slide groove; 6. spring; 7. mounting hole; 8. fixed arc plate; 9. limiting slide plate; 10. positioning groove; 11. rotating groove; 12. torsion spring; 13. rotating rod; 14. groove; 15. fixed slot; 16. rotating shaft. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, 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 simplifying the description, 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 cannot be understood as a limitation on the present invention.

[0022] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0023] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0024] See also Figure 1-4 The utility model provides a technical solution: a high-temperature economizer spiral fin tube installation structure, including an economizer installation frame 1 and a spiral fin tube 2, the spiral fin tube 2 is installed inside the economizer installation frame 1, both sides of the economizer installation frame 1 are provided with installation holes 7, the inner walls of the two installation holes 7 are provided with limiting slide grooves 5, the economizer installation frame 1 is provided with a mounting assembly, the mounting assembly includes a limiting slide plate 9, a rotating shaft 16 and a rotating arc plate 3, the limiting slide plate 9 is slidably connected to the inside of the limiting slide groove 5, the side of the limiting slide plate 9 close to the spiral fin tube 2 is fixedly connected with a sliding arc plate 4, the spiral fin tube 2 is placed inside the sliding arc plate 4, and the rotating arc plate 3 is rotatably connected to the top of the sliding arc plate 4 through the rotating shaft 16.

[0025] Three springs 6 are fixedly connected to the side of the limiting slide 9 away from the spiral fin tube 2, and one end of the three springs 6 away from the limiting slide 9 is fixedly connected to the inner wall of the limiting slide groove 5. A rotating groove 11 is provided on the outer surface of the sliding arc plate 4, and positioning grooves 10 are provided on both sides of the inner wall of the rotating groove 11. A fixed clamping groove 15 is provided on the outer surface of the rotating arc plate 3. The fixed clamping groove 15 and the fixed arc plate 8 are both "T"-shaped. The fixed arc plate 8 is rotatably connected inside the rotating groove 11, and the fixed arc plate 8 is clamped with the fixed clamping groove 15. A groove 14 for easy pulling is provided on the side of the fixed arc plate 8 away from the sliding arc plate 4.

[0026] Both sides of the fixed arc plate 8 are fixedly connected with rotating rods 13, and the two rotating rods 13 are rotatably connected to the corresponding positioning grooves 10. The outer surfaces of the two rotating rods 13 are sleeved with torsion springs 12. There are two mounting components, and the two mounting components are symmetrically arranged on both sides of the economizer mounting frame 1. A plurality of spiral fin tubes 2 are arranged in the economizer mounting frame 1.

[0027] Furthermore, when using the device, the user presses the two grooves 14 respectively, thereby pulling the corresponding fixed arc plates 8 to rotate in the corresponding rotating grooves 11 through the two grooves 14, and the rotation of the two fixed arc plates 8 drives the corresponding two rotating rods 13 to rotate, and the rotation of the two rotating rods 13 drives the corresponding torsion springs 12 to store force. When the two fixed arc plates 8 are separated from the corresponding fixed slots 15, the user then rotates the two rotating arc plates 3, so as to facilitate placing the two ends of the spiral fin tube 2 inside the two sliding arc plates 4. After placing the spiral fin tube 2, the user then pulls apart the two fixed arc plates 8 to reset the two rotating arc plates 3, and then the user releases the two fixed arc plates 8. The two fixed arc plates 8 will be reset under the action of the corresponding two torsion springs 12, and then engage with the corresponding fixed slots 15, thereby limiting and fixing the corresponding rotating arc plates 3, so that the two rotating arc plates 3 fix the two ends of the spiral fin tube 2.

[0028] Through the cooperation of the rotating arc plate 3, the sliding arc plate 4, the limiting slide plate 9, the fixed arc plate 8, the two rotating rods 13 and the two torsion springs 12, the fixed arc plate 8 can be engaged with the fixed slot 15 on the rotating arc plate 3, so as to facilitate the fixation of the rotating arc plate 3, so that the installation of the spiral finned tube 2 only needs to place its two ends on the two sliding arc plates 4, and then the two rotating arc plates 3 can fix the spiral finned tube 2, avoiding the need to spend a lot of time and manpower during the installation process, and further improving the efficiency of the installation of the spiral finned tube 2.

[0029] Through the cooperation of the limiting slide groove 5, the limiting slide plate 9 and the three springs 6, the three springs 6 can drive the limiting slide plate 9 to move under the guidance of the limiting slide groove 5, so that the sliding arc plate 4 can be temporarily retracted into the mounting hole 7, thereby facilitating the installation of multiple spiral fin tubes 2 in the economizer mounting frame 1, thereby improving the installation efficiency of the mounting assembly for the spiral fin tubes 2.

[0030] Working principle: the user presses the two grooves 14 respectively, thereby pulling the corresponding fixed arc plates 8 to rotate in the corresponding rotating grooves 11 through the two grooves 14, and the rotation of the two fixed arc plates 8 drives the corresponding two rotating rods 13 to rotate, and the rotation of the two rotating rods 13 drives the corresponding torsion springs 12 to store force. When the two fixed arc plates 8 are separated from the corresponding fixed slots 15, the user then rotates the two rotating arc plates 3, so as to facilitate placing the two ends of the spiral fin tube 2 inside the two sliding arc plates 4. After placing the spiral fin tube 2, the user then pulls apart the two fixed arc plates 8 to reset the two rotating arc plates 3, and then the user releases the two fixed arc plates 8. The two fixed arc plates 8 will be reset under the action of the corresponding two torsion springs 12, and then engage with the corresponding fixed slots 15, thereby limiting and fixing the corresponding rotating arc plates 3, so that the two rotating arc plates 3 fix the two ends of the spiral fin tube 2.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A high-temperature economizer spiral fin tube installation structure, comprising an economizer installation frame (1) and a spiral fin tube (2), wherein the spiral fin tube (2) is installed inside the economizer installation frame (1), and is characterized in that: Both sides of the economizer mounting frame (1) are provided with mounting holes (7), and the inner walls of the two mounting holes (7) are provided with limiting sliding grooves (5); The economizer mounting frame (1) is provided with a mounting assembly, which comprises a limiting slide plate (9), a rotating shaft (16) and a rotating arc plate (3), and the limiting slide plate (9) is slidably connected inside the limiting slide groove (5); The limiting slide plate (9) is fixedly connected to a sliding arc plate (4) on one side close to the spiral finned tube (2); the spiral finned tube (2) is placed inside the sliding arc plate (4); and the rotating arc plate (3) is rotatably connected to the top of the sliding arc plate (4) via a rotating shaft (16).

2. The high temperature economizer spiral fin tube installation structure according to claim 1, characterized in that: The side of the limiting slide plate (9) away from the spiral fin tube (2) is fixedly connected with three springs (6), and the ends of the three springs (6) away from the limiting slide plate (9) are fixedly connected to the inner wall of the limiting slide groove (5); The outer surface of the sliding arc plate (4) is provided with a rotation groove (11), and both sides of the inner wall of the rotation groove (11) are provided with positioning grooves (10).

3. The high temperature economizer spiral fin tube installation structure according to claim 2, characterized in that: The outer surface of the rotating arc plate (3) is provided with a fixed slot (15), the interior of the rotating slot (11) is rotatably connected with a fixed arc plate (8), and the fixed arc plate (8) is engaged with the fixed slot (15); A groove (14) for facilitating pulling is provided on a side of the fixed arc plate (8) away from the sliding arc plate (4).

4. The spiral fin tube installation structure of a high temperature economizer according to claim 2, characterized in that: Rotating rods (13) are fixedly connected to both sides of the fixed arc plate (8), the two rotating rods (13) are rotatably connected to the corresponding positioning grooves (10), and the outer surfaces of the two rotating rods (13) are sleeved with torsion springs (12).

5. The high temperature economizer spiral fin tube installation structure according to claim 3, characterized in that: The fixed slot (15) and the fixed arc plate (8) are both in a "T" shape.

6. The high temperature economizer spiral fin tube installation structure according to claim 1, characterized in that: The number of the mounting components is two, and the two mounting components are symmetrically arranged on both sides of the economizer mounting frame (1).

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