CN219037113U

CN219037113U - Fused salt jar electric heater support

Info

Publication number: CN219037113U
Application number: CN202223202110.5U
Authority: CN
Inventors: 李皓桢; 朱伟; 顾海心
Original assignee: Beijing Thermal Focus Csp Technology Co ltd
Current assignee: Beijing Thermal Focus Csp Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-16
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses an electric heater bracket for a molten salt tank, which belongs to the technical field of electric heating devices of molten salt energy storage tanks and comprises a butt joint sleeve, an upper supporting point, a suspension arm and two horizontal supporting beams, wherein the butt joint sleeve is horizontally arranged and fixed at the lower part of the inner wall of the molten salt tank and penetrates through the inner wall of the molten salt tank, one end of the butt joint sleeve, which penetrates through the molten salt tank, is provided with a mounting flange, the upper supporting point is fixed at the upper part of the inner wall of the molten salt tank, the two horizontal supporting beams respectively extend along the axial direction of the butt joint sleeve and are mutually parallel and horizontally distributed at intervals, one end of the two horizontal supporting beams is fixedly connected with two sides of the inner wall of the butt joint sleeve, a plurality of local supports are arranged on the two horizontal supporting beams at intervals along the length direction, and two ends of the suspension arm are respectively connected with the upper supporting point and one of the local supports. The advantages are that: the supporting structure mode of the traditional electric heater is improved, the original tank bottom supporting mode is changed into the tank wall hanging supporting mode, the electric heater is not affected by thermal deformation of the tank bottom, and leakage of the electric heater is avoided.

Description

Fused salt jar electric heater support

Technical Field

The utility model relates to the technical field of electric heating devices of molten salt energy storage tanks, in particular to an electric heater bracket of a molten salt tank.

Background

The molten salt tank is key equipment of an energy storage system of the solar power station, and is divided into a cold tank and a hot tank, wherein the molten salt running temperature in the cold tank is about 300 ℃, and the molten salt running temperature in the hot tank is about 565 ℃. Because the melting point of the molten salt is relatively high (about 230 ℃), the molten salt tank needs to be provided with an electric heating device to prevent the temperature of the molten salt from being lower than 260 ℃ during shutdown or failure.

The power of each electric heater is larger, the length is longer, the general length is more than 5 meters, the support is needed to be supported, the support is arranged at the tank bottom of the molten salt tank in the previous design, but the tank bottom can arch upwards and can sink downwards under the action of high temperature, the deformation of the tank bottom can apply additional deformation and stress to the heater, the heating pipe and the flange welding part of the electric heater are leaked due to tolerance, and the electric heater is difficult to repair after leakage.

Accordingly, improvements to the brackets of existing electric heaters are needed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the fused salt tank electric heater bracket, which effectively overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides a fused salt jar electric heater support, including the butt joint sleeve, go up fulcrum, davit and two horizontal support beam, above-mentioned butt joint sleeve level sets up to fix in the inner wall lower part of fused salt jar, and run through the inner wall of above-mentioned fused salt jar, the one end that above-mentioned butt joint sleeve passed above-mentioned fused salt jar is equipped with mounting flange, the above-mentioned upper fulcrum is fixed on the inner wall upper portion of above-mentioned fused salt jar, two above-mentioned horizontal support beam extend along the axial of above-mentioned butt joint sleeve respectively, and parallel and horizontal interval distribution each other, two above-mentioned horizontal support beam's one end is connected fixedly with the inner wall both sides of butt joint sleeve, two above-mentioned horizontal support beam is last to be equipped with a plurality of local support along length direction interval, the both ends of above-mentioned davit are connected with above-mentioned upper fulcrum and one of above-mentioned local support respectively.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the local support comprises a support sleeve and a heater support, the support sleeve is sleeved outside the two horizontal support beams, the two horizontal support beams are respectively connected and fixed with two sides of the inner wall of the support sleeve, and the heater support is fixed on the inner side of the bottom wall of the support sleeve and distributed below the space between the two horizontal support beams.

Further, reinforcing ribs are respectively fixed on the upper part and the lower part of the inner wall of the supporting sleeve, and two ends of the reinforcing ribs are respectively connected and fixed with the two horizontal supporting beams.

Further, the butt joint sleeve and the support sleeve are coaxially distributed cylinders, and the reinforcing ribs are fan-shaped annular members coaxially arranged with the support sleeve.

Further, a fan-shaped connecting plate is coaxially fixed to the upper portion of one of the locally supported support sleeves, a vertical mounting plate is fixed to the upper end arc top position of the connecting plate, one end of the suspension arm is hinged to the mounting plate, and the other end of the suspension arm is hinged to the upper supporting point.

Further, still include supporting baseplate and horizontal slip support, above-mentioned supporting baseplate level is fixed in the inner wall lower part of salt melting jar to be located above-mentioned horizontal supporting beam's below, above-mentioned horizontal slip support includes the spacing support of the bar of two vertical settings, and two above-mentioned spacing supports are fixed respectively in the upper end of supporting baseplate, and the interval distribution is in the both sides of two above-mentioned horizontal supporting beams.

Further, the limiting support is a channel steel.

Further, the horizontal supporting beam is I-steel.

Further, the suspension arm is angle steel.

The beneficial effects of the utility model are as follows: the electric heater has reasonable structural design, improves the supporting structure mode of the traditional electric heater, changes the original tank bottom supporting mode into the tank wall hanging supporting mode, can not be influenced by the thermal deformation of the tank bottom, and avoids the leakage of the electric heater.

Drawings

FIG. 1 is a structural side view of a molten salt tank electric heater bracket of the present utility model;

FIG. 2 is a side view of the structure of FIG. 1 taken along the line B-B;

FIG. 3 is a side view of the structure of FIG. 1 taken along the line C-C;

FIG. 4 is a schematic diagram of the structure of an electric heater installed in a molten salt tank electric heater bracket of the utility model;

FIG. 5 is a side view of the partial structure of FIG. 4 taken at section A-A;

fig. 6 is a schematic view of the structure of the electric heating according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a butt joint sleeve; 2. an upper fulcrum; 3. a suspension arm; 4. a horizontal support beam; 5. a local support; 6. a support base plate; 7. a horizontal sliding support; 11. a mounting flange; 51. a support sleeve; 52. a heater support; 71. limiting and supporting; 511. reinforcing ribs; 512. and (3) mounting a plate.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Examples: as shown in fig. 1 to 6, the electric heater bracket for molten salt tank of this embodiment comprises a butt joint sleeve 1, an upper supporting point 2, a boom 3 and two horizontal supporting beams 4, wherein the butt joint sleeve 1 is horizontally arranged and fixed at the lower part of the inner wall of the molten salt tank and penetrates through the inner wall of the molten salt tank, one end of the butt joint sleeve 1 penetrating through the molten salt tank is provided with a mounting flange 11, the upper supporting point 2 is fixed at the upper part of the inner wall of the molten salt tank, the two horizontal supporting beams 4 respectively extend along the axial direction of the butt joint sleeve 1 and are mutually parallel and horizontally distributed at intervals, one ends of the two horizontal supporting beams 4 are fixedly connected with two sides of the inner wall of the butt joint sleeve 1, a plurality of local supporting beams 5 are arranged on the two horizontal supporting beams 4 along the length direction at intervals, and two ends of the boom 3 are respectively connected with the upper supporting point 2 and one of the local supporting beams 5.

In this embodiment, one end of the electric heater bracket (the butt sleeve 1) is fixed on the tank wall below the molten salt tank, and the other end is suspended on the upper Fang Guanbi by using the suspension arm 3. The installation mode has small stress on the molten salt tank, and can effectively reduce the thickness of the wall of the molten salt tank. The specific installation mode of the electric heater is as follows:

the electric heater is horizontally inserted from the outside of the molten salt tank through the pipe orifice of the tank body extending out of the butt joint sleeve 1 until the flange (denoted by c in the figure) of the electric heater is in butt joint with the mounting flange 11 of the butt joint sleeve 1, and the flange and the mounting flange are connected through bolts, at the moment, after the electric heater enters the tank body, a heating pipe (denoted by a in the figure) of the electric heater extends from between two horizontal supporting beams 4 and is respectively supported on each local support 5, the local supports 5 can provide good support for the heating pipe of the electric heater, the design of a plurality of local supports 5 can effectively uniformly distribute the stress of the support, and the local supports 5 have a certain length to allow the electric heater to thermally expand under the high temperature. The whole device has reasonable structural design, improves the supporting structure mode of the traditional electric heater, changes the original tank bottom supporting mode into the tank wall hanging supporting mode, can not be influenced by the thermal deformation of the tank bottom, and avoids the leakage of the electric heater.

In this embodiment, the butt sleeve 1 is a steel sleeve, and is welded and fixed to each other after passing through the wall of the molten salt tank.

As a preferred embodiment, the local support 5 includes a support sleeve 51 and a heater support 52, the support sleeve 51 is sleeved outside the two horizontal support beams 4, the two horizontal support beams 4 are respectively connected and fixed to both sides of the inner wall of the support sleeve 51, and the heater support 52 is fixed to the inner side of the bottom wall of the support sleeve 51 and is distributed below and between the two horizontal support beams 4.

In the above embodiment, the local support 5 adopts a support sleeve 51 to define a channel path for the electric heater (heating pipe) to be inserted, and the heater support 52 is matched to provide upward supporting force, so that the electric heater is effectively and stably supported.

In this embodiment, the heater support 52 is a door-shaped base.

After the electric heater is installed in place, each of the connection pieces (denoted by b in the drawing) of the lower portion of the electric heater is respectively supported at the upper ends of the heater seats 52 of the corresponding partial support 5 (i.e., the number of connection pieces of the electric heater is identical to the number of the heater seats 52).

In a preferred embodiment, the upper and lower portions of the inner wall of the support sleeve 51 are respectively fixed with reinforcing ribs 511, and both ends of the reinforcing ribs 511 are respectively connected and fixed with the two horizontal support beams 4.

In the above embodiment, the three structures are structurally reinforced between the inner wall of the support sleeve 51 and the two horizontal support beams 4 by the reinforcing ribs 511, so that the three structures are more stable and firm, that is, the structural strength of the whole bracket is improved.

In a preferred embodiment, the butt sleeve 1 and the support sleeve 51 are both coaxially arranged cylinders, and the rib 511 is a fan-shaped ring member coaxially arranged with the support sleeve 51.

In the above embodiment, the docking sleeve 1 and the supporting sleeve 51 are coaxially distributed, which is beneficial to the good insertion and assembly of the electric heater, and meanwhile, the fan-shaped structural design of the reinforcing rib 511 is tightly connected with the supporting sleeve 51, so that the structure is firmer and more stable.

As a preferred embodiment, a fan-shaped connection plate is coaxially fixed to an upper portion of the support sleeve 51 of one of the partial supports 5, a vertical mounting plate 512 is fixed to an upper end arc top position of the connection plate, one end of the boom 3 is hinged to the mounting plate 512, and the other end of the boom 3 is hinged to the upper fulcrum 2.

In the above embodiment, the design of the connecting plate and the mounting plate 512 facilitates the hinged assembly of the boom 3, and generally, two ends of the boom 3 are hinged to the upper pivot 2 and the mounting plate 512 through pins, respectively.

As a preferred embodiment, the salt melting furnace further comprises a supporting bottom plate 6 and a horizontal sliding support 7, wherein the supporting bottom plate 6 is horizontally fixed at the lower part of the inner wall of the salt melting furnace and is positioned below the horizontal supporting beam 4, the horizontal sliding support 7 comprises two vertically arranged bar-shaped limit supports 71, and the two limit supports 71 are respectively fixed at the upper ends of the supporting bottom plate 6 and are distributed at two sides of the two horizontal supporting beams 4 at intervals.

In the above embodiment, the support base plate 6 provides stable installation and support lease of the horizontal sliding support 7, the horizontal sliding support 7 is distributed on both sides of the two horizontal support beams 4, that is, on both sides of the electric heating pipe, with two bar-shaped limit supports 71, and a certain gap is formed between the two sides of the electric heating pipe, the limit supports 71 allow the electric heater to move up and down under the action of gravity and thermal deformation, but do not allow the electric heater to move substantially in the horizontal direction. Plays a role in limiting and supporting the electric heater horizontally.

In this embodiment, the above-mentioned spacing support 71 adopts conventional channel steel, and its convenient material drawing, the supporting baseplate 6 adopts the steel sheet, welds the lower part with the molten salt jar inner wall, adopts welded connection mode assembly between supporting baseplate 6 and the spacing support 71.

In this embodiment, the horizontal support beam 4 is made of conventional i-steel, the material of which is convenient, the support sleeve 51 is made of steel, and the inner walls of the horizontal support beam 4 and the butt joint sleeve 1 and the inner wall of the support sleeve 51 are fixedly connected by welding.

What needs to be supplemented is: the mounting plate 512 and the connecting plate are welded steel plates, and the connecting plate and the supporting sleeve 51 are welded and fixed.

In this embodiment, the boom 3 is made of conventional angle steel, and the materials thereof are convenient to obtain.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, in the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless explicitly specified and limited otherwise, a first feature "above," "over" and "above" a second feature may be that the first feature is directly above or obliquely above the second feature, or simply that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. The utility model provides a fused salt jar electric heater support which characterized in that: including butt joint sleeve (1), go up fulcrum (2), davit (3) and two horizontal support beam (4), butt joint sleeve (1) level sets up to fix in the inner wall lower part of molten salt jar, and run through the inner wall of molten salt jar, butt joint sleeve (1) pass the one end of molten salt jar is equipped with mounting flange (11), go up fulcrum (2) and fix the inner wall upper portion of molten salt jar, two horizontal support beam (4) are followed respectively the axial extension of butt joint sleeve (1), and are parallel to each other and horizontal interval distributes, two horizontal support beam (4) one end with the inner wall both sides connection of butt joint sleeve (1) is fixed, two follow length direction interval on horizontal support beam (4) and be equipped with a plurality of local support (5), the both ends of davit (3) respectively with go up fulcrum (2) and one of them local support (5) are connected.

2. The molten salt tank electric heater bracket of claim 1, wherein: the local support (5) comprises a support sleeve (51) and a heater support (52), wherein the support sleeve (51) is sleeved outside the two horizontal support beams (4), the two horizontal support beams (4) are respectively connected and fixed with the two sides of the inner wall of the support sleeve (51), and the heater support (52) is fixed on the inner side of the bottom wall of the support sleeve (51) and distributed below the two horizontal support beams (4).

3. The molten salt tank electric heater bracket of claim 2, wherein: reinforcing ribs (511) are respectively fixed on the upper part and the lower part of the inner wall of the supporting sleeve (51), and two ends of each reinforcing rib (511) are respectively connected and fixed with two horizontal supporting beams (4).

4. A molten salt tank electric heater bracket as claimed in claim 3, wherein: the butt joint sleeve (1) and the support sleeve (51) are coaxially distributed cylinders, and the reinforcing ribs (511) are fan-shaped annular members coaxially arranged with the support sleeve (51).

5. The molten salt tank electric heater bracket of claim 4, wherein: the upper part of a supporting sleeve (51) of one local support (5) is coaxially fixed with a fan-shaped connecting plate, a vertical mounting plate (512) is fixed at the arc top position of the upper end of the connecting plate, one end of a suspension arm (3) is hinged with the mounting plate (512), and the other end of the suspension arm (3) is hinged with the upper supporting point (2).

6. The molten salt tank electric heater bracket of claim 1, wherein: still include supporting baseplate (6) and horizontal slip support (7), supporting baseplate (6) level is fixed in the inner wall lower part of salt melting jar, and is located the below of horizontal support beam (4), horizontal slip support (7) are including spacing support (71) of two vertical setting's bar, two spacing support (71) are fixed respectively supporting baseplate (6) upper end, and interval distribution is in two the both sides of horizontal support beam (4).

7. The molten salt tank electric heater bracket of claim 6, wherein: the limiting support (71) is a channel steel.

8. The molten salt tank electric heater bracket of any one of claims 1 to 7, wherein: the horizontal supporting beam (4) is I-steel.

9. The molten salt tank electric heater bracket of any one of claims 1 to 7, wherein: the suspension arm (3) is angle steel.