Connecting assembly used between flue gas waste heat recovery heat exchange tube and outer protective plate

Abstract

The utility model discloses a connecting assembly between a heat exchange tube and an outer protective plate for flue gas waste heat recovery, which comprises the outer protective plate, the heat exchange tube and a corrugated compensator arranged between the outer protective plate and the heat exchange tube, and a protective tube is detachably arranged outside the corrugated compensator. A flexible assembly is arranged between the protection pipe and the ripple compensator in a clamped mode. The connecting assembly used between the flue gas waste heat recovery heat exchange tube and the outer protective plate is reasonable in structure, can play a role in protecting the corrugated compensator, and avoids the phenomenon that the corrugated compensator is damaged in the transportation process.

Description

Technical Field

[0001] The utility model relates to a connection component, in particular to a connection component used between a flue gas waste heat recovery heat exchange pipe and an outer protective plate. Background Art

[0002] The flue gas waste heat recovery device includes many parts such as the outer guard plate and the heat exchange tube. Since the heat exchange tube needs to absorb the high temperature of the flue gas to exchange heat with the cooling water flowing through it, the heat exchange tube usually expands and contracts due to heat. If the outer guard plate and the heat exchange tube are directly hard-connected, they are prone to damage. Therefore, the outer guard plate and the heat exchange tube are often connected through a corrugated compensator.

[0003] The bellows compensator is a compensating element, which is mainly used to absorb the dimensional changes of pipelines, conduits or containers due to thermal expansion and contraction, as well as to compensate for axial, lateral and angular displacements. Its working principle is to use the effective expansion and contraction of the bellows to absorb these changes, so as to reduce the deformation stress of the pipeline and increase the service life of the pipeline;

[0004] During the transportation of the flue gas waste heat recovery device, due to the expansion and contraction deformation of the corrugated compensator, the shaking during transportation can easily cause damage to the corrugated compensator.

[0005] Therefore, it is necessary to improve the connection assembly between the flue gas waste heat recovery heat exchange tube and the outer protective plate in the prior art. Utility Model Content

[0006] The purpose of the utility model is to overcome the defects in the prior art and provide a connection assembly between the flue gas waste heat recovery heat exchange tube and the outer protective plate, which can protect the corrugated compensator and avoid damage to the corrugated compensator during transportation.

[0007] In order to achieve the above-mentioned technical effects, the technical solution of the utility model is: a connecting component between a flue gas waste heat recovery heat exchange tube and an outer protective plate, comprising an outer protective plate, a heat exchange tube, and a corrugated compensator arranged between the outer protective plate and the heat exchange tube, a protective tube being detachably arranged on the outside of the corrugated compensator, and a flexible component being sandwiched between the protective tube and the corrugated compensator.

[0008] A preferred technical solution is that the flexible component includes a first flexible layer and a second flexible layer, the corrugated compensator, the first flexible layer, the second flexible layer, and the protective tube are arranged in sequence from inside to outside, and the hardness of the first flexible layer is less than that of the second flexible layer.

[0009] A preferred technical solution is that the first flexible layer is an airbag, and the second flexible layer is a sponge.

[0010] A preferred technical solution is that the protection tube comprises an upper half protection tube and a lower half protection tube which are rotatably connected to each other, and the axis centerline direction of the rotation axis of the upper half protection tube and the lower half protection tube is parallel to the axis centerline direction of the corrugated compensator.

[0011] A preferred technical solution is that the upper half protective tube and the lower half protective tube are locked together by a first bolt and a first nut.

[0012] A preferred technical solution is that the outer guard plate is provided with a support ring, the protection tube is passed through the support ring, and the support ring is detachably fixedly connected to the protection tube.

[0013] A preferred technical solution is that the support ring is provided with a through hole, the protection tube is provided with a threaded hole, and the locking bolt is passed through the through hole and threadedly connected to the threaded hole.

[0014] A preferred technical solution is that it also includes an anti-wear guard plate arranged on the smoke direction side of the protection tube, and the anti-wear guard plate is detachably connected to the protection tube.

[0015] The preferred technical solution is that the side wall of the protective tube is provided with a plug-in groove, the side wall of the plug-in groove is opened with a plurality of limiting holes, the anti-wear guard plate is provided with a plug-in block which is plugged into and matched with the plug-in groove, and the plug-in block is provided with an elastic protrusion which is limited and matched with the limiting hole.

[0016] The advantages and beneficial effects of the utility model are that the structure of the connecting component between the flue gas waste heat recovery heat exchange tube and the outer protective plate is reasonable. By arranging a protective tube outside the corrugated compensator and clamping a flexible component between the protective tube and the corrugated compensator, the vibration and displacement of the corrugated compensator can be reduced during transportation, thereby protecting the corrugated compensator and avoiding damage to the corrugated compensator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an embodiment of a connection assembly for a flue gas waste heat recovery heat exchange tube and an outer protective plate of the utility model;

[0018] Figure 2 yes Figure 1 Explosion diagram of

[0019] Figure 3 yes Figure 1 Explosion diagram (another perspective);

[0020] Figure 4 It is a schematic diagram of the structure of the plug slot;

[0021] Figure 5 It is a schematic diagram of the structure of the anti-wear guard plate;

[0022] In the figure: 1. outer protective plate; 11. support ring; 12. perforation; 2. heat exchange tube; 3. corrugated compensator; 4. protective tube; 41. upper half protective tube; 42. lower half protective tube; 43. threaded hole; 44. plug-in groove; 45. limit hole; 5. first flexible layer; 6. second flexible layer; 71. first bolt; 72. first nut; 8. locking bolt; 9. anti-wear protective plate; 91. plug-in block; 92. elastic protrusion. DETAILED DESCRIPTION

[0023] 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.

[0024] 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.

[0025] Example

[0026] like Figure 1-5 As shown, the connecting component between the flue gas waste heat recovery heat exchange tube and the outer protective plate of the embodiment includes an outer protective plate 1, a heat exchange tube 2, and a corrugated compensator 3 arranged between the outer protective plate 1 and the heat exchange tube 2. A protective tube 4 is detachably provided on the outside of the corrugated compensator 3, and a flexible component is sandwiched between the protective tube 4 and the corrugated compensator 3.

[0027] With such a design, a flexible component is provided between the protection tube 4 and the corrugated compensator 3, so that the vibration and displacement of the corrugated compensator 3 can be reduced during transportation, thereby protecting the corrugated compensator 3 and avoiding damage to the corrugated compensator 3.

[0028] Specifically, the flexible component includes a first flexible layer 5 and a second flexible layer 6. The corrugated compensator 3, the first flexible layer 5, the second flexible layer 6, and the protective tube 4 are arranged in sequence from inside to outside. The hardness of the first flexible layer 5 is less than that of the second flexible layer 6.

[0029] With such a design, the first flexible layer 5 close to the corrugated compensator 3 is softer and can play a better buffering role, while the second flexible layer 6 is harder and can play a supporting role to avoid excessive deformation.

[0030] Specifically, the first flexible layer 5 is an airbag, and the second flexible layer 6 is a sponge.

[0031] With such a design, when the equipment is transported to the destination, it is only necessary to release the air in the airbag, and the bellows compensator 3 can realize its normal thermal expansion and contraction function, thus avoiding the tediousness of disassembling the protective tube 4.

[0032] Specifically, the protection tube 4 includes an upper half protection tube 41 and a lower half protection tube 42 which are rotatably connected to each other, and the axis centerline direction of the rotation axis of the upper half protection tube 41 and the lower half protection tube 42 is parallel to the axis centerline direction of the corrugated compensator 3 .

[0033] Through such a design, the purpose of sleeve connection between the protection tube 4 and the corrugated compensator 3 is achieved.

[0034] Specifically, the upper half protective tube 41 and the lower half protective tube 42 are locked together by a first bolt 71 and a first nut 72 .

[0035] Specifically, the outer guard plate 1 is provided with a support ring 11 , the protection tube 4 is passed through the support ring 11 , and the support ring 11 is detachably fixedly connected to the protection tube 4 .

[0036] Through such a design, the purpose of fixing the protection tube 4 on the outer guard plate 1 is achieved.

[0037] Specifically, the support ring 11 is provided with a through hole 12 , the protection tube 4 is provided with a threaded hole 43 , and the locking bolt 8 is passed through the through hole 12 and is threadedly connected with the threaded hole 43 .

[0038] Furthermore, it also includes an anti-wear guard plate 9 arranged on the smoke direction side of the protection tube 4, and the anti-wear guard plate 9 is detachably connected to the protection tube 4.

[0039] Such a design can prevent the protection tube 4 from being damaged by flue gas wear and erosion.

[0040] Specifically, the side wall of the protection tube 4 is provided with a plug-in groove 44, and the side wall of the plug-in groove 44 is opened with a plurality of limiting holes 45. The anti-wear guard plate 9 is provided with a plug-in block 91 which is plugged into and matched with the plug-in groove 44, and the plug-in block 91 is provided with an elastic protrusion 92 which is limited and matched with the limiting hole 45.

[0041] Through such a design, the purpose of making the anti-wear guard plate 9 detachable and replaceable is achieved.

[0042] 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 connection assembly for flue gas waste heat recovery heat exchange pipe and outer protective plate, characterized in that: The invention comprises an outer protective plate (1), a heat exchange tube (2), and a corrugated compensator (3) arranged between the outer protective plate (1) and the heat exchange tube (2); a protective tube (4) is detachably arranged outside the corrugated compensator (3); and a flexible component is sandwiched between the protective tube (4) and the corrugated compensator (3).

2. The connection assembly between the flue gas waste heat recovery heat exchange tube and the outer protective plate according to claim 1, characterized in that: The flexible component comprises a first flexible layer (5) and a second flexible layer (6); the corrugated compensator (3), the first flexible layer (5), the second flexible layer (6), and the protective tube (4) are arranged in sequence from the inside to the outside; the hardness of the first flexible layer (5) is smaller than the hardness of the second flexible layer (6).

3. The connection assembly between the flue gas waste heat recovery heat exchange tube and the outer protective plate according to claim 2 is characterized in that: The first flexible layer (5) is an air bag, and the second flexible layer (6) is a sponge.

4. The connection assembly between the flue gas waste heat recovery heat exchange tube and the outer protective plate according to claim 1, characterized in that: The protective tube (4) comprises an upper protective tube (41) and a lower protective tube (42) which are rotatably connected to each other, and the axis centerline direction of the rotation axes of the upper protective tube (41) and the lower protective tube (42) is parallel to the axis centerline direction of the corrugated compensator (3).

5. The connection assembly between the flue gas waste heat recovery heat exchange tube and the outer protective plate according to claim 4, characterized in that: The upper half protective tube (41) and the lower half protective tube (42) are locked together by a first bolt (71) and a first nut (72).

6. The connection assembly between the flue gas waste heat recovery heat exchange tube and the outer protective plate according to claim 1, characterized in that: The outer guard plate (1) is provided with a support ring (11), the protection tube (4) is inserted into the support ring (11), and the support ring (11) and the protection tube (4) are detachably fixedly connected.

7. The connection assembly between the flue gas waste heat recovery heat exchange tube and the outer protective plate according to claim 6, characterized in that: The support ring (11) is provided with a through hole (12), the protection tube (4) is provided with a threaded hole (43), and the locking bolt (8) is passed through the through hole (12) and is threadedly connected to the threaded hole (43).

8. The connection assembly between the flue gas waste heat recovery heat exchange tube and the outer protective plate according to claim 1, characterized in that: It also comprises an anti-wear protective plate (9) arranged on the smoke direction side of the protective tube (4), and the anti-wear protective plate (9) is detachably connected to the protective tube (4).

9. The connection assembly between the flue gas waste heat recovery heat exchange tube and the outer protective plate according to claim 8, characterized in that: The side wall of the protection tube (4) is provided with a plug-in groove (44), and the side wall of the plug-in groove (44) is provided with a plurality of limiting holes (45). The anti-wear guard plate (9) is provided with a plug-in block (91) pluggable with the plug-in groove (44), and the plug-in block (91) is provided with an elastic protrusion (92) limitedly matched with the limiting hole (45).

Images