Supporting structure of double-pipe heat exchanger with heat preservation function

Abstract

The supporting structure comprises a limiting supporting assembly, a sliding supporting assembly and an inner pipe, the sliding supporting assembly comprises a first stand column, one side of the first stand column is fixedly connected with a plurality of first supporting plates, a sliding groove is formed in the top of each first supporting plate, a sliding plate is slidably connected into the sliding groove, and the inner pipe is fixedly connected with the limiting supporting assembly. The limiting supporting assembly comprises a second stand column, a plurality of second supporting plates are fixedly connected to one side of the second stand column, clamping blocks are clamped to the tops of the second supporting plates, and fixing plates are fixedly connected to the tops of the clamping blocks. The inner pipe is stably supported through the limiting supporting assembly, the working stability of the heat exchanger sleeve is improved, the heat exchanger sleeve freely moves in the axial direction in the working state through the sliding supporting assembly, structural deformation caused by temperature difference is avoided, and therefore the problem of stress concentration caused by expansion caused by heat and contraction caused by cold of the sleeve is solved, and the service life of the heat exchanger sleeve is prolonged. The equipment life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of double-pipe heat exchanger, especially to a double-pipe heat exchanger's support structure with heat preservation. BACKGROUND

[0002] In the industrial production process, double-pipe heat exchanger is widely used in heat transfer system. However, due to the flow and temperature difference change of cold and hot medium, double-pipe heat exchanger is easy to produce thermal expansion effect. If the support design is unreasonable, it will lead to local stress concentration of equipment, thereby reducing the service life of heat exchanger, and the common double-pipe heat exchanger support structure lacks efficient heat preservation measures at present, cannot fully reduce heat loss, and leads to low energy utilization efficiency. SUMMARY

[0003] The utility model discloses a double-pipe heat exchanger's support structure with heat preservation, which solves the problem of low energy utilization efficiency caused by the lack of efficient heat preservation measures in the existing double-pipe heat exchanger support structure.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A double-pipe heat exchanger's support structure with heat preservation, comprising a limiting support assembly, a sliding support assembly and an inner tube, the sliding support assembly comprises a first stand, a plurality of first support plates are fixedly connected to one side of the first stand, a sliding groove is arranged on the top of the first support plate, a sliding plate is slidably connected in the sliding groove, the limiting support assembly comprises a second stand, a plurality of second support plates are fixedly connected to one side of the second stand, a clamping block is clamped to the top of the second support plate, a fixed plate is fixedly connected to the top of the clamping block, a support rod is fixedly connected to the top of the fixed plate and the top of the sliding plate, a mounting clasp is fixedly connected to the top end of the support rod, and the inner tube is clamped in the mounting clasp, a jacket pipe is sleeved on the outer wall of the inner tube, and a heat preservation sleeve is sleeved on the outer wall of the jacket pipe.

[0006] Further, the top of the first support plate and the top of the second support plate are fixedly connected with two limiting baffle plates, and the sliding plate and the fixed plate are located between the two limiting baffle plates.

[0007] Further, a plurality of reinforcing rib plates are fixedly connected to one side of the first stand and one side of the second stand, and the top of the reinforcing rib plate of the first stand and the top of the reinforcing rib plate of the second stand are fixedly connected with the bottom of the first support plate and the bottom of the second support plate respectively.

[0008] Further, liquid inlet pipes are sealingly inserted into the top and the bottom of both ends of the inner tube.

[0009] Further, connecting flanges are fixedly connected to both ends of the inner tube.

[0010] Further, the top end of the first and second upright columns are fixedly connected with a lifting lug.

[0011] Further, the top of the heat preservation sleeve is provided with a first open slot, and the bottom of the heat preservation sleeve is provided with a second open slot.

[0012] The utility model discloses the beneficial effect is:

[0013] 1. Through the stable support of limit support subassembly to inner tube, promote the stability of heat exchanger sleeve work.

[0014] 2. Through the sliding support subassembly, the heat exchanger sleeve is free to move along the axial direction under the working condition, avoids the structural deformation caused by temperature difference, thereby solve the stress concentration problem of sleeve because of thermal expansion and contraction, improve the equipment life.

[0015] 3. Through the heat preservation of heat exchanger sleeve to the outer surface of the sleeve pipe covered with heat preservation sleeve, thereby reduce the heat loss, reduce the cost. DRAWINGS

[0016] Figure 1 It is the stereoscopic structure schematic diagram of the support structure of the sleeve heat exchanger with heat preservation that the utility model proposes;

[0017] Figure 2 It is the first part sectional view structure schematic diagram of the support structure of the sleeve heat exchanger with heat preservation that the utility model proposes;

[0018] Figure 3 It is the second part sectional view structure schematic diagram of the support structure of the sleeve heat exchanger with heat preservation that the utility model proposes;

[0019] Figure 4 It is the use state structure schematic diagram of the support structure of the sleeve heat exchanger with heat preservation that the utility model proposes.

[0020] In the drawing: 1, first upright column;101, first support plate;102, sliding groove;103, sliding plate;2, second upright column;201, second support plate;202, fixed plate;203, clamping block;3, limit baffle;4, reinforcing rib plate;5, support rod;6, install snap ring;7, inner tube;8, sleeve pipe;9, liquid inlet pipe;10, connecting flange;11, lifting lug;12, heat preservation sleeve;1201, first open slot;1202, second open slot. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Reference Figures 1-4 A support structure of a heat exchanger with a heat preservation sleeve pipe, comprising a limiting support assembly, a sliding support assembly and an inner pipe 7, the sliding support assembly comprises a first stand 1, a plurality of first support plates 101 are welded on one side of the first stand 1, a sliding groove 102 is arranged on the top of the first support plate 101, and a sliding plate 103 is slidably connected in the sliding groove 102, the sliding support assembly enables the heat exchanger sleeve pipe to freely move along the axial direction in the working state, so that the sliding plate 103 moves in the sliding groove 102, thereby avoiding the structural deformation caused by the temperature difference, the limiting support assembly comprises a second stand 2, a plurality of second support plates 201 are welded on one side of the second stand 2, a clamping block 203 is clamped on the top of the second support plate 201, a fixed plate 202 is welded on the top of the clamping block 203, support rods 5 are welded on the top of the fixed plate 202 and the top of the sliding plate 103, mounting clamping rings 6 are welded on the top ends of the support rods 5, and the clamping block 203, the fixed plate 202, the support rods 5 and the mounting clamping rings 6 of the limiting support assembly stably support the inner pipe 7, the inner pipe 7 is clamped in the mounting clamping ring 6, a jacket pipe 8 is sleeved on the outer wall of the inner pipe 7, and a heat preservation sleeve 12 is sleeved on the outer wall of the jacket pipe 8, the heat preservation sleeve 12 covers the outer surface of the jacket pipe 8 to preserve the heat exchanger sleeve pipe, so that the heat loss is reduced.

[0023] Two limiting baffle plates 3 are welded on the top of the first support plate 101 and the second support plate 201, the sliding plate 103 and the fixed plate 202 are located between the two limiting baffle plates 3 respectively, the gap between the two limiting baffle plates 3 of the sliding support assembly and the two sides of the sliding plate 103 is 3mm, a plurality of reinforcing rib plates 4 are welded on one side of the first stand 1 and one side of the second stand 2, the top of the reinforcing rib plate 4 of the first stand 1 and the top of the reinforcing rib plate 4 of the second stand 2 are fixedly connected with the bottom of the first support plate 101 and the bottom of the second support plate 201 respectively, so as to improve the firmness of the connection between the first stand 1 and the first support plate 101 and the connection between the second stand 2 and the second support plate 201, liquid inlet pipes 9 are sealingly inserted into the top and the bottom of both ends of the inner pipe 7, so as to input cold and hot medium into the inner pipe 7, connecting flanges 10 are welded on both ends of the inner pipe 7, lifting lugs 11 are welded on the top ends of the first stand 1 and the second stand 2, so as to facilitate the fixed installation of the support structure, a first open groove 1201 is arranged on the top of the heat preservation sleeve 12, and a second open groove 1202 is arranged on the bottom of the heat preservation sleeve 12, so as to facilitate the installation of the heat preservation sleeve 12.

[0024] The working principle of the embodiment is as follows: in use, first, the two ends of the inner pipe 7 are clamped in the mounting clamping rings 6 of the limiting support assembly and the sliding support assembly respectively, the limiting support assembly stably supports the inner pipe 7, then the sliding support assembly enables the heat exchanger sleeve pipe to freely move along the axial direction in the working state, thereby avoiding the structural deformation caused by the temperature difference, and finally the heat preservation sleeve 12 covers the outer surface of the jacket pipe 8 to preserve the heat exchanger sleeve pipe, so that the heat loss is reduced.

[0025] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, and all of them should be covered within the protection scope of the present application.

Claims

1. A support structure for a heat exchanger with insulation, comprising a limiting support assembly, a sliding support assembly, and an inner tube (7), characterized in that, The sliding support assembly includes a first column (1), a plurality of first support plates (101) are fixedly connected to one side of the first column (1), a groove (102) is provided on the top of the first support plate (101), and a sliding plate (103) is slidably connected in the groove (102). The limiting support assembly includes a second column (2), a plurality of second support plates (201) are fixedly connected to one side of the second column (2), a locking block (203) is snapped into the top of the second support plate (201), a fixing plate (202) is fixedly connected to the top of the locking block (203), a support rod (5) is fixedly connected to the top of the fixing plate (202) and the top of the sliding plate (103), and an installation ring (6) is fixedly connected to the top of the support rod (5). The inner tube (7) is snapped into the installation ring (6), and a jacketed tube (8) is sleeved on the outer wall of the inner tube (7). An insulation sleeve (12) is sleeved on the outer wall of the jacketed tube (8).

2. The support structure for a heat-insulated shell-and-tube heat exchanger according to claim 1, characterized in that, The top of the first support plate (101) and the second support plate (201) are both fixedly connected to two limiting baffles (3), and the sliding plate (103) and the fixed plate (202) are respectively located between the two limiting baffles (3).

3. The support structure for a heat-insulated shell-and-tube heat exchanger according to claim 1, characterized in that, Multiple reinforcing ribs (4) are fixedly connected to one side of the first column (1) and one side of the second column (2). The top of the reinforcing ribs (4) of the first column (1) and the second column (2) are fixedly connected to the bottom of the first support plate (101) and the second support plate (201), respectively.

4. The support structure for a heat-insulated shell-and-tube heat exchanger according to claim 1, characterized in that, The top and bottom of both ends of the inner tube (7) are sealed with inlet pipes (9).

5. The support structure for a heat-insulated shell-and-tube heat exchanger according to claim 1, characterized in that, Both ends of the inner tube (7) are fixedly connected with connecting flanges (10).

6. The support structure for a heat-insulated shell-and-tube heat exchanger according to claim 1, characterized in that, The top ends of the first column (1) and the second column (2) are both fixedly connected with lifting lugs (11).

7. The support structure for a heat-insulated shell-and-tube heat exchanger according to claim 1, characterized in that, The top of the insulation sleeve (12) is provided with a first opening groove (1201), and the bottom of the insulation sleeve (12) is provided with a second opening groove (1202).

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