Spiral heat exchanger

Abstract

The utility model discloses a spiral heat exchanger, which belongs to the technical field of heat exchangers and comprises a shell, a shell cavity is arranged in the middle of the shell, a plurality of baffles and guide blocks are arranged on the left side, the right side and the lower side of the shell cavity, the inner sides of the baffles movably abut against the outer sides of the corresponding guide blocks, and two heating sheets are arranged in the shell cavity. The left sides, the right sides and the lower sides of the two heating pieces are fixedly connected to one sides of the corresponding guide blocks, metal gaskets are arranged on the upper portions and the lower portions of the two ends of the two heating pieces, studs movably abut against the inner sides of the multiple metal gaskets, nuts are in threaded connection with the outer sides of the multiple studs, and one sides of the multiple nuts movably abut against one sides of the corresponding metal gaskets. The heat exchanger is reasonable in structural design, and the spirally-arranged heating pieces can change in the spiral direction when heated and do not make contact with one another, so that the heat exchange efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a spiral heat exchanger. Background Art

[0002] A heat exchanger, also called a heat exchanger, is a device through which heat is transferred from a hot fluid to a cold fluid. Heat exchangers play an important role in many industrial production processes such as chemical, petroleum, power and food, and are widely used in chemical production. They can be used as heaters, coolers, condensers, evaporators and reboilers.

[0003] The heating plates of the existing heat exchanger are arranged in a straight line and reciprocating manner. When heated, they become longer and are prone to short circuit due to contact, resulting in excessive current or reduced heat exchange efficiency. Therefore, we propose a spiral heat exchanger to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to provide a spiral heat exchanger to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A spiral heat exchanger comprises: an outer shell, a shell cavity is provided in the middle of the outer shell, a plurality of baffles and guide blocks are provided on the left, right and lower sides of the outer shell cavity, and the inner sides of the plurality of baffles are movably abutted against the outer sides of the corresponding guide blocks, two heating plates are provided in the outer shell cavity, the left, right and lower sides of the two heating plates are fixedly connected to one side of the corresponding guide blocks, metal gaskets are provided on the upper and lower sides of both ends of the two heating plates, the inner sides of the plurality of metal gaskets are movably abutted with studs, the outer sides of the plurality of studs are threadedly connected with nuts, and one side of the plurality of nuts is movably abutted against one side of the corresponding metal gasket.

[0007] Preferably, an insulating sleeve is fixedly connected to the outer side of the stud located on one side of the positive electrode connecting hole, a mica gasket is fixedly connected to the outer side of the insulating sleeve, and the top of the mica gasket abuts against the inner wall of the top of the shell, and a groove is opened on the top of the heating plate.

[0008] Preferably, the two heating plates are shaped as a double helix connected at the center and separated at both ends, and the heating plates are made of a high-resistance electric heating alloy.

[0009] Preferably, the shell is made of conductive material, and two positive electrode connection holes and negative electrode connection holes leading to the cavity are provided on the top of the shell. The tops of the two heating plates are both provided with grooves, and the outer sides of the multiple studs are arranged on the corresponding positive electrode connection holes and negative electrode connection holes. The heating plate is a multi-layer design.

[0010] Preferably, the guide block is made of non-conductive ceramic material.

[0011] Preferably, a plurality of fixing holes are provided on the front side of the shell.

[0012] In the present invention, the spiral heat exchanger described above flows through the positive electrode connection hole, and the current flows from the stud of the positive electrode connection hole, passes through the heating plate, and flows to the negative electrode connection hole;

[0013] In the utility model, a spiral heat exchanger is described, through the flow out of the shell, and the stud at the positive electrode connection hole has an insulating sleeve, and the mica gasket on the end surface of the insulating sleeve prevents the positive electrode from contacting the shell;

[0014] The utility model has reasonable structural design, and the heating plates arranged in a spiral shape will change along the spiral direction when heated and will not contact each other, thereby improving the heat exchange efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a spiral heat exchanger proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the guide block and baffle structure proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the nut and bolt structure proposed by the utility model;

[0018] Figure 4 The utility model provides a schematic diagram of the cross-sectional structure of the bolt and the metal gasket.

[0019] In the figure: 1. outer shell; 2. heating plate; 3. positive electrode connection hole; 4. negative electrode connection hole; 5. guide block; 6. baffle; 7. insulating sleeve; 8. mica gasket; 9. nut; 10. stud; 11. metal gasket; 12. fixing hole; 13. outer shell cavity. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4A spiral heat exchanger comprises: a shell 1, a shell cavity 13 is opened in the middle of the shell 1, a plurality of baffles 6 and guide blocks 5 are arranged on the left, right and lower sides of the shell cavity 13, and the inner sides of the plurality of baffles 6 are movably abutted against the outer sides of the corresponding guide blocks 5, two heating plates 2 are arranged in the shell cavity 13, the left, right and lower sides of the two heating plates 2 are fixedly connected to one side of the corresponding guide blocks 5, metal gaskets 11 are arranged on the upper and lower sides of both ends of the two heating plates 2, the inner sides of the plurality of metal gaskets 11 are movably abutted with studs 10, the outer sides of the plurality of studs 10 are threadedly connected with nuts 9, and one side of the plurality of nuts 9 is movably abutted against one side of the corresponding metal gasket 11.

[0022] In this embodiment, an insulating sleeve 7 is fixedly connected to the outside of the stud 10 located on one side of the positive electrode connecting hole 3, and a mica gasket 8 is fixedly connected to the outside of the insulating sleeve 7, and the top of the mica gasket 8 abuts against the top inner wall of the outer shell 1. A groove is provided on the top of the heating plate 2. The two heating plates 2 are shaped as a double spiral that is connected in the center and separated at both ends, and the heating plate 2 is made of a high-resistance electric heating alloy.

[0023] In this embodiment, the shell 1 is made of conductive material, and two positive electrode connection holes 3 and negative electrode connection holes 4 leading to the cavity are opened on the top of the shell 1. Grooves are opened on the tops of the two heating plates 2, and the outer sides of multiple studs 10 are arranged on the corresponding positive electrode connection holes 3 and negative electrode connection holes 4. The heating plates 2 are multi-layered, and the guide blocks 5 are made of non-conductive ceramic material. Multiple fixing holes 12 are opened on the front side of the shell 1 to facilitate the fixation of the device to other electronic components.

[0024] In this embodiment, when in use, current flows into the positive electrode connection hole 3 from the stud 10 of the positive electrode connection hole 3, passes through the heating plate 2, flows to the negative electrode connection hole 4, and finally flows out from the outer shell 1. The stud 10 at the positive electrode connection hole 3 has an insulating sleeve 7, and the mica gasket 8 on the end face of the insulating sleeve 7 prevents the positive electrode from contacting the outer shell 1.

[0025] The above is a detailed introduction to a spiral heat exchanger provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A spiral heat exchanger, characterized in that: include: A shell (1), wherein a shell cavity (13) is provided in the middle of the shell (1), and a plurality of baffles (6) and guide blocks (5) are arranged on the left, right and lower sides of the shell cavity (13), and the inner sides of the plurality of baffles (6) are movably abutted against the outer sides of the corresponding guide blocks (5), and two heating plates (2) are arranged in the shell cavity (13), and the left, right and lower sides of the two heating plates (2) are fixedly connected to one side of the corresponding guide blocks (5), and metal gaskets (11) are arranged on the upper and lower sides of both ends of the two heating plates (2), and the inner sides of the plurality of metal gaskets (11) are movably abutted against studs (10), and the outer sides of the plurality of studs (10) are threadedly connected with nuts (9), and one side of the plurality of nuts (9) is movably abutted against one side of the corresponding metal gasket (11).

2. A spiral heat exchanger according to claim 1, characterized in that: An insulating sleeve (7) is fixedly connected to the outside of the stud (10) located on one side of the positive electrode connection hole (3), a mica gasket (8) is fixedly connected to the outside of the insulating sleeve (7), and the top of the mica gasket (8) abuts against the top inner wall of the outer shell (1), and a groove is provided at the top of the heating plate (2).

3. The spiral heat exchanger according to claim 1, characterized in that: The two heating plates (2) are arranged in a double helix shape which is connected at the center and separated at both ends, and the heating plates (2) are made of a high-resistance electric heating alloy.

4. The spiral heat exchanger according to claim 1, characterized in that: The shell (1) is made of a conductive material. The top of the shell (1) is provided with two positive electrode connection holes (3) and a negative electrode connection hole (4) leading to the cavity. The tops of the two heating plates (2) are both provided with grooves. The outer sides of the plurality of studs (10) are all arranged on the inner sides of the corresponding positive electrode connection holes (3) and negative electrode connection holes (4). The heating plate (2) is a multi-layer design.

5. The spiral heat exchanger according to claim 1, characterized in that: The guide block (5) is made of a non-conductive ceramic material.

6. The spiral heat exchanger according to claim 1, characterized in that: The front side of the housing (1) is provided with a plurality of fixing holes (12).

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