Finned tube of tube pass integrated air cooler

Abstract

The utility model discloses a tube pass integrated air cooler finned tube which comprises base plates, a tube box fixed between the base plates and a plurality of finned tubes connected to the right side of the tube box, U-shaped bent tubes are welded to the tail ends of every two adjacent finned tubes, and an inlet and an outlet are formed in the front surface of the tube box. A U-shaped protective cover for covering the U-shaped bent pipes on the inner side is installed between the two base plates, and strip-shaped plates connected with the U-shaped protective cover are fixed to the positions, opposite to the front portions and the rear portions of the finned pipes, of the two base plates correspondingly. According to the utility model, the finned tube of the tube pass integrated air cooler in the prior art is improved and optimized, and the protection structure is designed at the U-shaped bent tube, so that the overall structural strength and heat exchange efficiency of the finned tube air cooler can be ensured, the protection capability of the U-shaped bent tube area can be enhanced, and the service life of the finned tube air cooler can be prolonged. And the problems of welding cracking and leakage caused by external foreign matter collision are solved, and the overall use reliability is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air cooler finned tube technical field, concretely relates to a kind of tube path integration air cooler finned tube. BACKGROUND

[0002] In industrial production, air cooler is widely used in petroleum, chemical industry, electric power and other fields as an important heat exchange equipment, for cooling and condensing various fluid medium, among them, finned tube air cooler becomes the mainstream product in market with its high efficiency heat exchange, compact structure, easy maintenance and other characteristics, finned tube air cooler increases heat exchange area by the expansion surface of finned tube, improves heat exchange efficiency, in the practical application of finned tube air cooler, especially the finned tube air cooler of tube path integration design is connected by U-shaped bend pipe to two finned tubes, solve the problem that traditional finned tube is easy to bend due to thermal expansion, such as the existing patent disclosed in the patent no.

[0003] But this existing tube path integration air cooler finned tube in actual use, U-shaped bend pipe and two finned tubes are usually connected by welding, and no effective protection measures are taken for U-shaped bend pipe, once U-shaped bend pipe area is subjected to strong impact of foreign matter, welding position can produce tiny crack due to impact force, these cracks can gradually expand under long-term stress action and medium corrosion, eventually lead to leakage accident, reduce the heat exchange efficiency of air cooler, therefore, the utility model provides a kind of tube path integration air cooler finned tube. SUMMARY

[0004] The utility model aims at providing a kind of tube path integration air cooler finned tube to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of tube path integration air cooler finned tube, including

[0006] base plate, pipe box fixed between base plate, multiple finned tubes connected in the right side of pipe box, and the end of adjacent two finned tubes is welded with U-shaped bend pipe, the front surface of pipe box is provided with import and export;

[0007] Two base plates are installed with the U-shaped protective cover of covering multiple U-shaped bend pipes in inner side between two base plates, and two base plates are fixed with one strip plate connected with U-shaped protective cover relative to the front and rear of finned tube.

[0008] Preferably, the two end surfaces of the U-shaped protective cover are fixed with connecting plugs, and the side surface of the strip-shaped plate is provided with connecting slots for inserting the connecting plugs.

[0009] Preferably, a connecting structure is further arranged between the strip-shaped plate and the U-shaped protective cover, the connecting structure comprises a side movable plate movably arranged on the outer side surface of the strip-shaped plate, and a limiting block fixed on the inner side surface of the side movable plate, a limiting block hole corresponding to the limiting block is formed through the surface of the connecting plug, and the end of the limiting block is inserted into the limiting block hole through the connecting slot.

[0010] Preferably, the connecting structure further comprises a cylindrical movable inner cavity formed in the strip-shaped plate, a movable inner circular block is movably arranged in the cylindrical movable inner cavity, one side of the movable inner circular block is fixed with a movable circular rod, the end of the movable circular rod penetrates through the outer side surface of the strip-shaped plate and is fixed with the side movable plate, and a reset tension spring is connected between the other side of the movable inner circular block and the inner wall of the cylindrical movable inner cavity.

[0011] Preferably, one end of the reset tension spring is connected to the inner wall of the cylindrical movable inner cavity, and the other end of the reset tension spring is hingedly connected to the movable inner circular block.

[0012] Preferably, a through hole is formed in the outer side surface of the strip-shaped plate for the limiting block to penetrate through.

[0013] Preferably, an inner protective pad is arranged on the inner wall of the U-shaped protective cover, two integral plugs are arranged on the right side surface of the inner protective pad, two plug-in holes are formed in the inner wall of the U-shaped protective cover for inserting the plugs, integral side blocks are arranged on the front and rear side surfaces of the inner protective pad, side block slots corresponding to the side blocks are formed in the inner walls of the two sides of the U-shaped protective cover, and the side blocks are inserted into the side block slots.

[0014] Preferably, two side supporting plates are fixed on the front and rear sides of the finned tube between the two base plates.

[0015] Compared with the prior art, the finned tube air cooler of the utility model has the advantages that the finned tube air cooler is improved and optimized, the protective structure is designed at the U-shaped bent pipe, the protective ability of the U-shaped bent pipe area is enhanced while the overall structural strength and heat exchange efficiency of the finned tube air cooler are ensured, the problems of welding cracking and leakage caused by external foreign matter impact are prevented, and the overall reliability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2The utility model discloses a top view sectional view

[0018] Figure 3 The utility model discloses Figure 2 The utility model discloses a partial close -up of area A in middle

[0019] Figure 4 The utility model discloses Figure 2 The utility model discloses a partial close -up of area B in middle

[0020] In the drawing: 1, base plate, 2, pipe box, 21, import, 22, export, 3, finned tube, 4, side bracing plate, 5, strip plate, 51, connecting slot, 6, U-shaped protective cover, 61, connecting plug, 62, side clamping groove, 63, socket, 7, U-shaped bend pipe, 8, connecting structure, 81, side movable plate, 82, limit clamping block, 83, limit clamping hole, 84, cylindrical movable inner cavity, 85, movable round rod, 86, movable inner round block, 87, reset tension spring, 9, inner protective pad, 91, side clamping block, 92, plug. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Embodiment 1

[0023] Please refer to Figures 1 to 3 , the first embodiment of the utility model provides a kind of technical scheme: a tube passes through integrated air cooler finned tube, including

[0024] Base plate 1, pipe box 2 welded and fixed between base plate 1, multiple finned tubes 3 welded and connected on the right side of pipe box 2, and the end of adjacent two finned tubes 3 is welded with U-shaped bend pipe 7, the front surface of pipe box 2 is provided with import 21 and export 22, above-mentioned structure is all known technology that has been disclosed in prior art, and specific structure principle can refer to the prior patent with the publication number CN208333164U, here too much repetition is not described;

[0025] Two base plates 1 are installed with U-shaped protective cover 6 that multiple U-shaped bend pipes 7 are covered in the inside, can effectively shield protection to multiple U-shaped bend pipes 7, prevent the knock and impact that possibly exist from foreign matter in outside, two base plates 1 are welded and fixed with one with U-shaped protective cover 6 connection's strip plate 5 relative to the front and rear of finned tube 3, realize the stable installation of U-shaped protective cover 6.

[0026] In the embodiment, preferably, the two end surfaces of the U-shaped protective cover 6 are welded and fixed with connecting plugs 61, and the side surface of the strip-shaped plate 5 is provided with connecting slots 51 for inserting the connecting plugs 61, so as to preliminarily connect the U-shaped protective cover 6 and the strip-shaped plate 5.

[0027] In the embodiment, preferably, a connecting structure 8 is further arranged between the strip-shaped plate 5 and the U-shaped protective cover 6, the connecting structure 8 comprises a side movable plate 81 movably arranged on the outer side surface of the strip-shaped plate 5, and a limiting block 82 welded and fixed on the inner side surface of the side movable plate 81, the surface of the connecting plug 61 is provided with a limiting block hole 83 corresponding to the limiting block 82, the end of the limiting block 82 penetrates into the connecting slot 51 and is inserted into the limiting block hole 83, so as to stably limit the connecting plug 61 and ensure the installation stability of the U-shaped protective cover 6.

[0028] In the embodiment, preferably, the connecting structure 8 further comprises a cylindrical movable inner cavity 84 arranged in the strip-shaped plate 5, a movable inner circular block 86 movably arranged in the cylindrical movable inner cavity 84, and an active circular rod 85 welded and fixed on one side of the movable inner circular block 86, the end of the active circular rod 85 penetrates to the outer side surface of the strip-shaped plate 5 and is fixed with the side movable plate 81, and a reset tension spring 87 is connected between the other side of the movable inner circular block 86 and the inner wall of the cylindrical movable inner cavity 84, under the pulling of the reset tension spring 87, the side movable plate 81 can be tightly attached to the outer side surface of the strip-shaped plate 5 in the daily use process, so as to ensure that the end of the limiting block 82 is stably clamped in the limiting block hole 83 and ensure the installation stability of the U-shaped protective cover 6, when the U-shaped protective cover 6 needs to be removed for maintenance and repair of the U-shaped elbow pipe 7, the side movable plate 81 is only needed to be pulled out, so that the active circular rod 85 slides with the movable inner circular block 86 and compresses the reset tension spring 87, so that the end of the limiting block 82 moves out of the limiting block hole 83, the limiting of the connecting plug 61 is released, at this time, the U-shaped protective cover 6 can be moved aside, so that the connecting plug 61 is pulled out of the connecting slot 51, and the quick disassembly and assembly of the U-shaped protective cover 6 are completed, because the cylindrical movable inner cavity 84 is cylindrical, and the active circular rod 85 and the movable inner circular block 86 are circular, when the limiting block 82 is pulled out to the outer side surface of the strip-shaped plate 5 by pulling the side movable plate 81, the side movable plate 81 can be appropriately rotated, so that the limiting block 82 is no longer aligned with the perforation, and the limiting block 82 is abutted against the outer side surface of the strip-shaped plate 5, so that the hands of the operator are released, so that the operator does not need to keep pulling the side movable plate 81 with hands during the disassembly and assembly of the U-shaped protective cover 6.

[0029] In the embodiment, preferably, one end of the reset tension spring 87 is connected to the inner wall of the cylindrical movable inner cavity 84, and the other end of the reset tension spring 87 is hinged to the movable inner circular block 86.

[0030] In the embodiment, preferably, the outer side surface of the strip-shaped plate 5 is provided with a through hole for the limiting clamping block 82 to penetrate.

[0031] In the embodiment, preferably, two side supporting plates 4 are fixed between the two base plates 1 relative to the front and back of the finned tube 3 to support the finned tube 3.

[0032] Embodiment 2

[0033] Please refer to Figures 1 to 4 For the second embodiment of the utility model, the embodiment is based on the previous embodiment, except that the inner wall of the U-shaped protective cover 6 is provided with an inner protective pad 9, the U-shaped bent pipe 7 can be further protected, the right side surface of the inner protective pad 9 is provided with two integrated plugs 92, the inner wall of the U-shaped protective cover 6 is provided with two insertion openings 63 for the plugs 92 to insert, the front and back side surfaces of the inner protective pad 9 are both provided with integrated side clamping blocks 91, the inner protective pad 9, the side clamping blocks 91 and the plugs 92 are all made of fluorine rubber material and can be elastically deformed when being extruded, the two side inner walls of the U-shaped protective cover 6 are both provided with side clamping grooves 62 corresponding to the side clamping blocks 91, the side clamping blocks 91 are clamped into the side clamping grooves 62 to stably limit the inner protective pad 9 and ensure the installation stability of the inner protective pad 9.

[0034] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A finned tube for a tube-pass integrated air cooler, characterized by: The utility model relates to a heat exchanger, including Two base plates (1) between the installation will be a plurality of U-shaped bend pipe (7) cover inside the U-shaped protective cover (6), two the base plate (1) relative to the front and rear of finned tube (3) both are fixed with a with U-shaped protective cover (6) is connected strip board (5). The both end surface of the U-shaped protective cover (6) is fixed with the connecting plug (61), and the side surface of the strip board (5) is provided with the connecting slot (51) for the insertion of the connecting plug (61).

2. The finned tube of the integrated tube bank air cooler according to claim 1, characterized in that: The connecting structure (8) further includes the cylindrical movable inner cavity (84) formed in the strip board (5), the movable inner circular block (86) is movably installed in the cylindrical movable inner cavity (84), one side of the movable inner circular block (86) is fixedly connected with the movable circular rod (85), the end of the movable circular rod (85) penetrates the outer side surface of the strip board (5) and is fixedly connected with the side movable plate (81), and the other side of the movable inner circular block (86) is connected with the inner wall of the cylindrical movable inner cavity (84) through the reset tension spring (87).

3. The finned tube of the integrated tube bank air cooler according to claim 2, characterized in that: One end of the reset tension spring (87) is connected to the inner wall of the cylindrical movable inner cavity (84), and the other end of the reset tension spring (87) is hingedly connected to the movable inner circular block (86).

4. The finned tube of the integrated tube bank air cooler according to claim 3, characterized in that: The outer side surface of the strip board (5) is provided with a through hole for the penetration of the limiting block (82).

5. The finned tube of the integrated tube bank air cooler according to claim 4, wherein: The inner wall of the U-shaped protective cover (6) is provided with an inner protective pad (9), the right side surface of the inner protective pad (9) is provided with two integrated plugs (92), the inner wall of the U-shaped protective cover (6) is provided with two plug-in openings (63) for the insertion of the plugs (92), the front and rear side surfaces of the inner protective pad (9) are provided with integrated side blocks (91), the inner walls of the two sides of the U-shaped protective cover (6) are provided with side slots (62) corresponding to the side blocks (91), and the side blocks (91) are clamped into the side slots (62).

6. The finned tube of the integrated tube bank air cooler according to claim 4, wherein: Two the base plate (1) between the installation will be a plurality of U-shaped bend pipe (7) cover inside the U-shaped protective cover (6), two the base plate (1) relative to the front and rear of finned tube (3) both are fixed with a with U-shaped protective cover (6) is connected strip board (5).

7. The finned tube of the integrated tube bank air cooler according to claim 1, wherein: The both end surface of the U-shaped protective cover (6) is fixed with the connecting plug (61), and the side surface of the strip board (5) is provided with the connecting slot (51) for the insertion of the connecting plug (61).

8. The finned tube of the integrated tube bank air cooler according to claim 1, wherein: ​

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