Immersion type electric heater

Abstract

The utility model provides an immersion type electric heater which comprises an upper clamping ring and a lower clamping ring, a disc formed by splicing a plurality of fan-shaped pieces is clamped between the upper clamping ring and the lower clamping ring, and each fan-shaped piece is detachably provided with a heating pipe; according to the utility model, the heating pipe is partitioned through the plurality of fan-shaped pieces, the installation range of the heating pipe can be refined, the maintenance and finding difficulty of the heating pipe can be reduced, the maintenance efficiency can be improved, and the fan-shaped pieces can regionalize the heating pipe and are convenient to repair and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of electric heaters, in particular to an immersion electric heater. Background Art

[0002] In the technical field of molten salt thermal storage power generation, salt storage tanks are used to store salt for thermal insulation. In the salt storage tanks, invasive electric heaters are used to insulate the entire salt body. In large-scale equipment, the invasive electric heaters are large in size, and the installation of their heating tubes is cumbersome and messy. During maintenance, the heating tubes cannot be disassembled easily, which can easily lead to accidental disassembly of the heating tubes and cause inconvenience. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an immersion type electric heater to solve the problem of inconvenience in maintenance of invasive type electric heaters.

[0004] Based on the technical problems existing in the background technology, the utility model proposes an immersion electric heater, including an upper clamping ring and a lower clamping ring, wherein a disc formed by splicing multiple fan-shaped parts is clamped between the upper clamping ring and the lower clamping ring, and each fan-shaped part can be removably installed with a heating tube.

[0005] Preferably, a clamping assembly that can connect the upper clamping ring and the lower clamping ring together is installed on the side surfaces of the upper clamping ring and the lower clamping ring.

[0006] Preferably, the clamping assembly includes two semicircular parts whose ends are hinged to each other. The two semicircular parts can be spliced ​​into a circular ring shape. The inner ring surface of the semicircular parts is provided with an arc-shaped limiting groove. The upper clamping ring and the lower clamping ring are installed in the arc-shaped limiting groove of the two semicircular parts after clamping the disc.

[0007] Preferably, a protrusion is provided at one end of the semicircular member away from the hinged connection, and a mounting opening opening facing outward is provided on the side of the protrusion.

[0008] Preferably, the heating tubes installed on the sector-shaped member are all located between the annular holes of the upper clamping ring and the lower clamping ring.

[0009] Preferably, both the upper clamping ring and the lower clamping ring are circumferentially provided with bolt holes.

[0010] Preferably, the bolt holes of the upper clamping ring correspond to the bolt holes of the lower clamping ring one by one.

[0011] Compared with the prior art, the immersion electric heater proposed in this utility model adopts the above technical solution and achieves the following technical effects:

[0012] The utility model divides the heating pipe into zones by using a plurality of fan-shaped parts, which can refine the installation range of the heating pipe, reduce the difficulty of repairing and finding the heating pipe, and increase the repair efficiency. The fan-shaped parts in this application can zone the heating pipe for easy repair and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0015] Figure 3 This is a schematic structural diagram of the fan-shaped component of the present utility model.

[0016] In the figure: 1, upper clamping ring; 2, lower clamping ring; 3, fan-shaped part; 30, disc; 4, heating tube; 5, clamping assembly; 51, semicircular part; 511, arc-shaped limit groove; 52, protrusion; 521, mounting port; 20, bolt hole. DETAILED DESCRIPTION

[0017] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0018] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0019] Example

[0020] Please refer to Figure 1-Figure 3The utility model proposes an immersion electric heater, comprising an upper clamping ring 1 and a lower clamping ring 2, the upper clamping ring 1 and the lower clamping ring 2 are stacked up and down, and there is a sandwich between the upper clamping ring 1 and the lower clamping ring 2, and a plurality of fan-shaped parts 3 are installed in the sandwich, and the fan-shaped parts 3 have the same shape and can be spliced ​​in the sandwich to form a disc 30, and each fan-shaped part 3 is installed with a heating tube 4 for heating, and the shape of the heating tube 4 is U-shaped, and the upper clamping ring 1 and the lower clamping ring 2 both have an annular hole, and the heating tube 4 is located in the annular hole. The number and arrangement position of the heating tube 4 installed on each fan-shaped part 3 are the same, and during maintenance, the position of a single heating tube 4 can be quickly known, and a single fan-shaped part 3 can be disassembled for easy maintenance and replacement.

[0021] In a specific embodiment, reference Figure 1 、 Figure 2 The upper clamping ring 1 and the lower clamping ring 2 are both circumferentially provided with bolt holes 20, and the bolt holes 20 of the upper clamping ring 1 and the lower clamping ring 2 correspond one to one. The upper clamping ring 1 and the lower clamping ring 2 need to be fixed in the installation position by bolts. The bolts can directly lock the upper clamping ring 1 and the lower clamping ring 2, so that the upper clamping ring 1 and the lower clamping ring 2 can be tightened and the fan-shaped part 3 can be clamped.

[0022] In a further embodiment, reference is made to Figure 1 、 Figure 2 In order to make the installation of the upper clamping ring 1 and the lower clamping ring 2 more convenient, a clamping assembly 5 is provided on the periphery of the upper clamping ring 1 and the lower clamping ring 2. The clamping assembly 5 can lock the upper clamping ring 1 and the lower clamping ring 2, so that the upper clamping ring 1 and the lower clamping ring 2 can clamp the fan-shaped part 3, which can facilitate personnel to move or install the entire device at the same time.

[0023] In a specific embodiment, reference Figure 1 、 Figure 2 、 Figure 3 The clamping assembly 5 includes two semicircular parts 51 hinged at both ends. The two semicircular parts 51 can be spliced ​​into a circular ring shape. The inner ring surface of the semicircular part 51 is provided with an arc-shaped limiting groove 511. After the upper clamping ring 1 and the lower clamping ring 2 clamp the disc 30, the edge can be stuck in the arc-shaped limiting groove 511. After the two semicircular parts 51 are connected, a circular ring shape is formed, which can clamp the entire edge of the upper clamping ring 1 and the lower clamping ring 2.

[0024] In a specific embodiment, reference Figure 1 、 Figure 2 、 Figure 3 A protrusion 52 is provided at one end of the semicircular member 51 away from the hinged connection, and a mounting opening 521 opening outward is provided on the side of the protrusion 52. The mounting openings 521 of the two semicircular members 51 are fixed by a bolt to achieve the locking of the two semicircular members 51.

[0025] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An immersion electric heater, characterized in that: The invention comprises an upper clamping ring (1) and a lower clamping ring (2), wherein a disc (30) formed by splicing a plurality of sector-shaped parts (3) is clamped between the upper clamping ring (1) and the lower clamping ring (2), and each sector-shaped part (3) is detachably provided with a heating tube (4).

2. The immersion electric heater according to claim 1, characterized in that A clamping assembly (5) for connecting the upper clamping ring (1) and the lower clamping ring (2) is installed on the side surfaces of the upper clamping ring (1) and the lower clamping ring (2).

3. The immersion electric heater according to claim 2, characterized in that: The clamping assembly (5) comprises two semicircular pieces (51) whose ends are hinged to each other. The two semicircular pieces (51) can be spliced ​​into a circular ring. The inner ring surface of the semicircular piece (51) is provided with an arc-shaped limiting groove (511). The upper clamping ring (1) and the lower clamping ring (2) are installed in the arc-shaped limiting groove (511) of the two semicircular pieces (51) after clamping the disc (30).

4. The immersion electric heater according to claim 3, characterized in that A protrusion (52) is provided at one end of the semicircular member (51) away from the hinged connection, and a mounting opening (521) opening outward is provided on the side of the protrusion (52).

5. The immersion electric heater according to claim 1, characterized in that: The heating tubes (4) installed on the fan-shaped member (3) are all located between the annular holes of the upper clamping ring (1) and the lower clamping ring (2).

6. The immersion electric heater according to claim 1, characterized in that The upper clamping ring (1) and the lower clamping ring (2) are both circumferentially provided with bolt holes (20).

7. The electric immersion heater according to claim 6, characterized in that: The bolt holes (20) of the upper clamping ring (1) and the lower clamping ring (2) correspond one to one.

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