Plate-shell type heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, and discloses a lamella heat exchanger which comprises a shell, an annular plate is fixedly connected to the outer wall of the shell, a plurality of nuts are arranged on the outer wall of the annular plate, a flange cover is arranged on one side of the annular plate, and a plurality of bolts matched with the nuts are arranged on the outer wall of the flange cover. A plurality of sliding seats are fixedly connected to the inner wall of the bottom of the shell in a circumferential mode, a plurality of sliding grooves are formed in the outer walls of the sliding seats, a plurality of annular discs are arranged on the inner wall of the shell, connecting rods are arranged between the annular discs and fixedly connected with the annular discs, and a plurality of sliding blocks are fixedly connected to the outer walls of the annular discs. According to the plate-shell type heat exchanger, the heat exchange core bodies of the plate-shell type heat exchanger can be rapidly disassembled and assembled, the plate-shell type heat exchanger is convenient and rapid to use and convenient to operate by workers, and the practicability of the plate-shell type heat exchanger is improved.

Description

Technical Field

[0001] The present application relates to the technical field of heat exchangers, and in particular to a plate and shell heat exchanger. Background Art

[0002] The plate and shell heat exchanger is a heat exchanger that uses plate and tube as heat transfer elements. It is a structural form between the shell and tube heat exchanger and the plate heat exchanger. It takes into account the advantages of both: good heat transfer efficiency; compact structure, small size; temperature resistance and pressure resistance; smooth plate surface, not easy to scale, the plate bundle can be disassembled, easy to clean, etc. It is widely used in the fields of petroleum, chemical industry, HVAC, district heating, etc.

[0003] With respect to the above-mentioned related technologies, the inventors believe that plates are often used inside plate and shell heat exchangers. Due to long-term use, impurities are often generated inside, which easily leads to a decrease in heat exchange efficiency. The disassembly of the core of the traditional plate and shell heat exchanger is relatively difficult. Therefore, a plate and shell heat exchanger is proposed to solve the above-mentioned problems.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In order to solve the problem that it is difficult to disassemble the internal heat exchange core of a plate and shell heat exchanger, the present application provides a plate and shell heat exchanger.

[0006] The plate and shell heat exchanger provided in this application adopts the following technical solution:

[0007] A plate and shell heat exchanger comprises a shell, the outer wall of the shell is fixedly connected to an annular plate, the outer wall of the annular plate is provided with a plurality of nuts, a flange cover is provided on one side of the annular plate, the outer wall of the flange cover is provided with a plurality of bolts matched with the nuts, a plurality of sliding seats are fixedly connected to the bottom inner wall of the shell in a circular shape, a plurality of sliding seats are provided with a plurality of sliding grooves on the outer walls, a plurality of annular disks are provided on the inner wall of the shell, connecting rods are provided between the plurality of annular disks, and the connecting rods are fixedly connected to the plurality of annular disks, a plurality of sliding blocks are fixedly connected to the outer walls of the plurality of annular disks, and the plurality of sliding blocks are matched with the plurality of sliding grooves, and a plurality of heat exchange cores for isolating media and performing heat exchange are provided on the outer walls of the plurality of annular disks.

[0008] Preferably, a support frame is fixedly connected to the bottom outer wall of the shell.

[0009] Preferably, a cold fluid inlet is formed on an outer wall of the flange cover, and a cold fluid outlet is formed on an outer wall of the flange cover located on one side of the cold fluid inlet.

[0010] Preferably, a hot fluid inlet is provided on the top outer wall of the shell, and a hot fluid outlet is provided on the outer wall of the shell away from the hot fluid inlet.

[0011] Preferably, the heat exchange core is stacked and spaced apart heat exchange plates, and the heat exchange plates are laser welded.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] The shell is sealed by the provided bolts and nuts, and then a plurality of circular ring plates and a plurality of connecting rods form an overall frame for placing the heat exchange core, so that it is slidably connected with the sliding seat provided inside the shell, thereby facilitating the disassembly of the heat exchange core. Compared with the prior art, the heat exchange core of the plate and shell heat exchanger can be quickly disassembled and assembled, which is convenient and fast, easy for workers to operate, and improves the practicability of the plate and shell heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall schematic diagram of an embodiment of the application;

[0015] Figure 2 is a three-dimensional schematic diagram of an embodiment of the application;

[0016] Figure 3 It is a schematic diagram of the heat exchange core structure of the application embodiment.

[0017] Explanation of the reference numerals: 1. Shell; 2. Support frame; 3. Hot fluid inlet; 4. Ring plate; 5. Flange cover; 6. Cold fluid inlet; 7. Cold fluid outlet; 8. Heat exchange core; 9. Bolt; 10. Ring disk; 11. Connecting rod; 12. Sliding seat; 13. Slide groove; 14. Nut; 15. Sliding block; 16. Hot fluid outlet. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1 -*This application is described in further detail.

[0019] The present application embodiment discloses a plate and shell heat exchanger. Figure 1-*, a plate and shell heat exchanger, comprising a shell 1, an annular plate 4 is fixedly connected to the outer wall of the shell 1, a plurality of nuts 14 are provided on the outer wall of the annular plate 4, a flange cover 5 is provided on one side of the annular plate 4, a plurality of bolts 9 matched with the nuts 14 are provided on the outer wall of the flange cover 5, the flange cover 5 is docked with the annular plate 4, and then the bolts 9 are docked with the nuts 14, so as to complete the sealing between the annular plate 4 and the flange cover 5, a plurality of slide seats 12 are fixedly connected to the inner wall of the bottom of the shell 1 in a circumferential manner, a plurality of slide seats 12 are provided on the outer walls of the plurality of slide seats 12, a plurality of annular disks 10 are provided on the inner wall of the shell 1, a plurality of Connecting rods 11 are provided between the annular disks 10, and the connecting rods 11 are fixedly connected to the plurality of annular disks 10, and an integral frame is formed by the connecting rods 11 and the plurality of annular disks 10, thereby facilitating the disassembly of the heat exchange core 8, and a plurality of sliders 15 are fixedly connected to the outer walls of the plurality of annular disks 10, and the plurality of sliders 15 are adapted to the plurality of slide grooves 13, and by docking the plurality of sliders 15 with the slide grooves 13, the frame formed by the plurality of annular disks 10 and the connecting rods 11 is facilitated to slide, thereby increasing the speed of disassembly of the heat exchange core 8, and a plurality of heat exchange cores 8 for isolating the medium and performing heat exchange are provided on the outer walls of the plurality of annular disks 10.

[0020] Please refer to Figure 1 The bottom outer wall of the shell 1 is fixedly connected with a support frame 2, and the shell 1 is conveniently supported by the support frame 2.

[0021] Please refer to Figure 1 A cold fluid inlet 6 is provided on the outer wall of the flange cover 5, and a cold fluid outlet 7 is provided on the outer wall of the flange cover 5 on one side of the cold fluid inlet 6. The cold fluid inlet 6 facilitates entry of the cold fluid, and the cold fluid outlet 7 facilitates outflow of the cold fluid.

[0022] Please refer to Figure 1 A hot fluid inlet 3 is provided on the top outer wall of the shell 1, and a hot fluid outlet 16 is provided on the outer wall of the shell 1 away from the hot fluid inlet 3. The hot fluid inlet 3 facilitates the entry of the hot fluid, and the hot fluid outlet 16 facilitates the outflow of the hot fluid.

[0023] Please refer to Figure 3 The heat exchange core 8 is composed of stacked and spaced heat exchange plates, and the heat exchange plates are laser welded.

[0024] The implementation principle of a plate and shell heat exchanger in an embodiment of the present application is: when the core of the plate and shell heat exchanger needs to be disassembled, the flange cover 5 is separated from the annular plate 4 by separating the rotating bolts 9 and the nuts 14, and then the annular disk 10 is pulled to slide the slider 15 and the slide groove 13 on the annular disk 10, so that the heat exchange core 8 is pulled in and out, thereby facilitating the cleaning of the heat exchange core 8.

[0025] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0026] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0027] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0028] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A plate and shell heat exchanger, comprising a shell (1), characterized in that: The outer wall of the shell (1) is fixedly connected to an annular plate (4), and a plurality of nuts (14) are provided on the outer wall of the annular plate (4). A flange cover (5) is provided on one side of the annular plate (4), and a plurality of bolts (9) matched with the nuts (14) are provided on the outer wall of the flange cover (5). A plurality of slide seats (12) are fixedly connected to the inner wall of the bottom of the shell (1) in a circumferential manner, and a plurality of slide seats (12) are provided on the outer walls thereof. A plurality of slide slots (13) are provided on the inner wall of the shell (1). A plurality of annular disks (10) are provided on the inner wall of the shell (1), and connecting rods (11) are provided between the plurality of annular disks (10), and the connecting rods (11) are fixedly connected to the plurality of annular disks (10). A plurality of sliders (15) are fixedly connected to the outer walls of the plurality of annular disks (10), and the plurality of sliders (15) are matched with the plurality of slide slots (13). A plurality of heat exchange cores (8) for isolating a medium and performing heat exchange are provided on the outer walls of the plurality of annular disks (10).

2. A plate and shell heat exchanger according to claim 1, characterized in that: A support frame (2) is fixedly connected to the bottom outer wall of the shell (1).

3. A plate and shell heat exchanger according to claim 1, characterized in that: The outer wall of the flange cover (5) is provided with a cold fluid inlet (6), and the outer wall of the flange cover (5) located on one side of the cold fluid inlet (6) is provided with a cold fluid outlet (7).

4. A plate and shell heat exchanger according to claim 1, characterized in that: A hot fluid inlet (3) is provided on the top outer wall of the shell (1), and a hot fluid outlet (16) is provided on the outer wall of the shell (1) facing away from the hot fluid inlet (3).

5. The plate and shell heat exchanger according to claim 1, characterized in that: The heat exchange core (8) is composed of heat exchange plates which are stacked and spaced apart, and the heat exchange plates are laser welded.

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