A heat exchange tube assembly for waste heat boiler

Abstract

The utility model discloses a waste heat boiler heat exchange tube assembly, including a hanging tube, a heat exchange tube and a support sheet provided with a hanging groove, wherein the support sheet is fixedly connected to the hanging tube, the heat exchange tube is arranged in the hanging groove, and a limit assembly for limiting the heat exchange tube in the hanging groove is arranged between the support sheet and the heat exchange tube; a plurality of heat exchange tubes are arranged, and a mark is arranged at the end of the heat exchange tube for easy marking. The waste heat boiler heat exchange tube assembly has a reasonable structure, and the heat exchange tube can be fixed in the hanging groove during initial assembly, thereby avoiding the heat exchange tube from falling off.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange tubes, in particular to a heat exchange tube assembly for a waste heat boiler. Background Art

[0002] A waste heat boiler usually includes structures such as hanging pipes and heat exchange tubes. The side walls of the hanging pipes are provided with support plates with hanging grooves. The support plates are used to support the heat exchange tubes. The hanging pipes and heat exchange tubes are usually in a flat state during assembly and transportation. At this time, the notches of the hanging grooves are facing horizontally, and the heat exchange tubes are easy to fall off from the hanging grooves, affecting subsequent installation and normal use.

[0003] In addition, the existing waste heat boiler heat exchange tubes have a single function and only circulate one heat exchange medium. When multiple heat exchange tubes circulate different heat exchange media, the corresponding inlets and outlets and pipelines cannot be clearly distinguished during connection, which can easily lead to connection errors.

[0004] Therefore, it is necessary to improve the waste heat boiler heat exchange tube assembly in the prior art. Utility Model Content

[0005] The utility model aims to overcome the defects in the prior art and provide a waste heat boiler heat exchange tube assembly, wherein the heat exchange tube can be fixed in a hoisting groove during initial assembly, thereby preventing the heat exchange tube from falling off.

[0006] In order to achieve the above-mentioned technical effect, the technical solution of the utility model is: a waste heat boiler heat exchange tube assembly, including a hanging tube, a heat exchange tube and a support plate provided with a hanging groove, the support plate is fixedly connected to the hanging tube, the heat exchange tube is arranged in the hanging groove, and a limiting assembly for limiting the heat exchange tube in the hanging groove is arranged between the support plate and the heat exchange tube; a plurality of heat exchange tubes are arranged, and a mark is provided at the end of the heat exchange tube for easy marking.

[0007] A preferred technical solution is that the limiting assembly includes a limiting block, the limiting block is fixedly connected to the supporting plate, and the limiting block cooperates with the lifting groove to clamp and fix the heat exchange tube.

[0008] A preferred technical solution is that the support sheet is provided with a connecting protrusion along the radial protrusion of the lifting slot, the limiting block is provided with an inserting slot, and the connecting protrusion is plugged into and matched with the inserting slot.

[0009] A preferred technical solution is that the connecting protrusion is provided with a through hole, the side wall of the plug-in slot is provided with a threaded hole, the axis line of the through hole coincides with the axis line of the threaded hole, and the locking bolt is passed through the through hole and threadedly connected to the threaded hole.

[0010] A preferred technical solution is that the connecting protrusion is provided with a first limiting groove, the side wall of the plug-in groove is provided with a first protrusion that cooperates with the first limiting groove, and the extension direction of the first limiting groove is perpendicular to the axial centerline direction of the hanging tube.

[0011] A preferred technical solution is that the limiting block includes an abutting block abutting against the heat exchange tube, one side of the abutting block abuts against the heat exchange tube, and the other side of the abutting block abuts against a supporting sheet adjacent to the abutting block.

[0012] A preferred technical solution is that the support plate is provided with a second limiting groove, the limiting block is provided with a second protrusion that cooperates with the second limiting groove, and the extension direction of the second limiting groove is perpendicular to the axial centerline direction of the hanging tube.

[0013] A preferred technical solution is that the heat exchange tube includes a fin heat exchange tube and a smooth tube.

[0014] The advantages and beneficial effects of the utility model are as follows: the waste heat boiler heat exchange tube assembly of the utility model has a reasonable structure, and the heat exchange tube is fixed in the lifting groove by setting a limit assembly, thereby avoiding the displacement and falling off of the heat exchange tube; a marking is provided at the end of the heat exchange tube for easy marking and distinguishing of the multifunctional heat exchange tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the heat exchange tube assembly of the waste heat boiler of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure in which the limit assembly cooperates with the hanging pipe and the supporting sheet;

[0017] Figure 3 yes Figure 2 Explosion diagram of

[0018] Figure 4 It is a schematic diagram of the state where the heat exchange tube is limited and fixed;

[0019] Figure 5 It is a schematic diagram of the state in which the limit block and the support sheet cooperate;

[0020] Figure 6 yes Figure 5 Explosion diagram of

[0021] Figure 7 It is a structural schematic diagram of the limit block;

[0022] Figure 8 is a schematic diagram of the structure of the support sheet;

[0023] In the figure: 1, hanging tube; 2, heat exchange tube; 21, marked place; 22, finned heat exchange tube; 23, light tube; 3, supporting plate; 31, hanging groove; 32, second limiting groove; 4, limiting block; 41, plug-in groove; 42, threaded hole; 43, first protrusion; 44, abutment block; 45, second protrusion; 5, connecting protrusion; 51, through hole; 52, first limiting groove; 6, locking bolt. DETAILED DESCRIPTION

[0024] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "horizontal", "vertical", "top", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 understood as a limitation of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0026] Example

[0027] like Figure 1-8 As shown, the waste heat boiler heat exchange tube assembly of the embodiment includes a hanging tube 1, a heat exchange tube 2 and a support plate 3 provided with a hanging groove 31, the support plate 3 is fixedly connected to the hanging tube 1, the heat exchange tube 2 is arranged in the hanging groove 31, and a limiting assembly for limiting the heat exchange tube 2 in the hanging groove 31 is arranged between the support plate 3 and the heat exchange tube 2; a plurality of heat exchange tubes 2 are provided, and a marking place 21 for easy marking is provided at the end of the heat exchange tube 2.

[0028] Through such a design, the limiting assembly fixes the heat exchange tube 2 in the hanging groove 31, thereby preventing the heat exchange tube 2 from being displaced; the marking portion 21 facilitates workers to mark and distinguish the heat exchange tube 2 when welding it.

[0029] Specifically, the limiting assembly includes a limiting block 4 , the limiting block 4 is fixedly connected to the supporting plate 3 , and the limiting block 4 cooperates with the hanging groove 31 to clamp and fix the heat exchange tube 2 .

[0030] Through such a design, the purpose of fixing the position of the heat exchange tube 2 is achieved.

[0031] Specifically, the support sheet 3 is provided with a connecting protrusion 5 protruding radially along the hanging groove 31 , and the limiting block 4 is provided with an inserting groove 41 , and the connecting protrusion 5 is plugged and matched with the inserting groove 41 .

[0032] This design prevents the limiting block 4 from being displaced in the axial direction of the hanging groove 31 .

[0033] Specifically, the connecting protrusion 5 is provided with a through hole 51, and the side wall of the insertion groove 41 is provided with a threaded hole 42. The axis of the through hole 51 coincides with the axis of the threaded hole 42. The locking bolt 6 is passed through the through hole 51 and is threadedly connected to the threaded hole 42.

[0034] Through such a design, a fixed connection between the limiting block 4 and the supporting sheet 3 is achieved.

[0035] Specifically, the connecting protrusion 5 is provided with a first limiting groove 52 , and the side wall of the plug-in groove 41 is provided with a first protrusion 43 which is limitedly matched with the first limiting groove 52 , and the extension direction of the first limiting groove 52 is perpendicular to the axial centerline direction of the hanging pipe 1 .

[0036] This design prevents the limiting block 4 from being displaced in the radial direction of the hanging groove 31 .

[0037] Specifically, the limiting block 4 includes an abutting block 44 abutting against the heat exchange tube 2 , one side of the abutting block 44 abuts against the heat exchange tube 2 , and the other side of the abutting block 44 abuts against the supporting sheet 3 adjacent thereto.

[0038] Such a design further limits the radial displacement of the lifting groove 31 by the limiting block 4 .

[0039] Specifically, the support plate 3 is provided with a second limiting groove 32 , and the limiting block 4 is provided with a second protrusion 45 that is limitedly matched with the second limiting groove 32 . The extending direction of the second limiting groove 32 is perpendicular to the axial centerline direction of the hanging pipe 1 .

[0040] This design further limits the displacement of the limit block 4 on the axis of the hoisting slot 31 .

[0041] Specifically, the heat exchange tube 2 includes a fin heat exchange tube 22 and a light tube 23 .

[0042] Through such a design, the corresponding finned heat exchange tube 22 or bare tube 23 can be selected for connection according to actual cooling medium and other requirements.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A heat exchange tube assembly for a waste heat boiler, characterized in that: The invention comprises a hanging tube (1), a heat exchange tube (2) and a support plate (3) provided with a hanging groove (31); the support plate (3) is fixedly connected to the hanging tube (1); the heat exchange tube (2) is arranged in the hanging groove (31); a limiting component for limiting the heat exchange tube (2) in the hanging groove (31) is arranged between the support plate (3) and the heat exchange tube (2); a plurality of heat exchange tubes (2) are arranged; and a marking portion (21) for facilitating marking is provided at the end of the heat exchange tube (2).

2. The waste heat boiler heat exchange tube assembly according to claim 1, characterized in that: The limiting assembly comprises a limiting block (4), the limiting block (4) is fixedly connected to the supporting plate (3), and the limiting block (4) cooperates with the hanging groove (31) to clamp and fix the heat exchange tube (2).

3. The waste heat boiler heat exchange tube assembly according to claim 2, characterized in that: The support piece (3) is provided with a connecting protrusion (5) protruding radially along the hanging groove (31), and the limiting block (4) is provided with an inserting groove (41), and the connecting protrusion (5) is plugged into and matched with the inserting groove (41).

4. The waste heat boiler heat exchange tube assembly according to claim 3, characterized in that: The connecting protrusion (5) is provided with a through hole (51), the side wall of the inserting groove (41) is provided with a threaded hole (42), the axis of the through hole (51) and the axis of the threaded hole (42) are arranged to coincide with each other, and the locking bolt (6) is passed through the through hole (51) and is threadedly connected to the threaded hole (42).

5. The waste heat boiler heat exchange tube assembly according to claim 3, characterized in that: The connecting protrusion (5) is provided with a first limiting groove (52), and the side wall of the plug-in groove (41) is provided with a first protrusion (43) which is limitedly matched with the first limiting groove (52), and the extension direction of the first limiting groove (52) is perpendicular to the axial centerline direction of the hanging pipe (1).

6. The waste heat boiler heat exchange tube assembly according to claim 2, characterized in that: The limiting block (4) comprises an abutting block (44) abutting against the heat exchange tube (2), one side of the abutting block (44) abuts against the heat exchange tube (2), and the other side of the abutting block (44) abuts against a supporting sheet (3) adjacent thereto.

7. The waste heat boiler heat exchange tube assembly according to claim 6, characterized in that: The support plate (3) is provided with a second limiting groove (32), the limiting block (4) is provided with a second protrusion (45) which is limitedly matched with the second limiting groove (32), and the extension direction of the second limiting groove (32) is perpendicular to the axial centerline direction of the hanging tube (1).

8. The heat exchange tube assembly of the waste heat boiler according to claim 1, characterized in that: The heat exchange tube (2) comprises a fin heat exchange tube (22) and a light tube (23).

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