CN219415219U - Multi-strand fluid pipeline external electric heater - Google Patents

Abstract

The utility model discloses an external electric heater for a multi-strand fluid pipeline, which comprises a cylinder, wherein a multi-strand fluid pipeline for conveying fluid is arranged in an inner cavity of the cylinder, a plurality of spring heating elements are arranged on the inner side of the cylinder, and after the spring heating elements are externally connected with a power supply, heat is generated in the inner cavity of the cylinder so as to heat the fluid in the multi-strand fluid pipeline, and a heat insulation piece is arranged between the cylinder and the spring heating elements. The multi-strand fluid pipeline external electric heater provided by the utility model is a novel heating device formed by integrating the functions of a conventional traditional heat exchanger and a conventional electric heater, a spring heating element in the device does not need to be in contact with process fluid, the multi-strand fluid pipeline is heated in a cylinder body, and the purpose of heating the fluid with stronger danger can be achieved only through the multi-strand fluid pipeline.

Description

Multi-strand fluid pipeline external electric heater

Technical Field

The utility model relates to an external electric heater for a multi-strand fluid pipeline.

Background

At present, in the fields of chemical industry, polysilicon photovoltaics and the like, various process fluids are required to be heated by an electric heating mode for industrial production, but a plurality of fluids have strong dangers such as inflammability, explosiveness, virulence, corrosiveness and the like, if the heat exchanger is used for heating the fluids, the heat exchanger is used for heating the corrosive fluids due to the fact that the wall thickness of the inner wall of the heat exchange tube is smaller, and the heat exchange tube is always perforated after being used for a long time due to the fact that the heat exchange tube is contacted with the corrosive fluids, and a heating source of a conventional heat exchanger is generally water, steam, heat conducting oil and the like, the conventional heat exchange tube can be realized only by a set of heating circulation system, and the structure is complex.

Disclosure of Invention

The main purpose of the utility model is to provide an external electric heater for a multi-strand fluid pipeline, which integrates the functions of a conventional traditional heat exchanger and a conventional electric heater, so that a heating element does not need to be contacted with process fluid, and further has the advantages of cleanness in an electric heating mode and high heat efficiency.

The aim of the utility model can be achieved by adopting the following technical scheme:

the utility model provides an outer electric heater of stranded fluid pipeline, includes the barrel, the inner chamber of barrel is provided with the stranded fluid pipeline that is used for carrying fluid, the inboard of barrel is provided with a plurality of spring heating element, spring heating element produces heat at barrel inner chamber after external power supply to heat the fluid that is located stranded fluid pipeline, be provided with the heat insulating part between barrel and the spring heating element.

Preferably, the cylinder body is of a columnar hollow structure, one end of the cylinder body is open, the other end of the cylinder body is sealed, a cylinder cover is arranged at one end of the cylinder body, and a connecting flange is arranged between the cylinder cover and the cylinder body.

Preferably, the inlet and outlet of the multi-strand fluid pipeline are positioned outside the cylinder.

Preferably, the junction box is an explosion-proof junction box.

Preferably, the thermal insulation member is aerogel.

Preferably, there is a space between the spring heating element and the multi-strand fluid conduit.

Preferably, a gas detector is arranged on the cylinder, and a detection end of the gas detector is positioned in the cylinder.

Preferably, temperature controllers are arranged at the inlet and outlet of the multi-strand fluid pipeline, and a junction box and a manhole are further arranged on the cylinder.

Preferably, the inner cavity of the cylinder is provided with a sliding seat, and the multi-strand fluid pipelines are arranged on the top surface of the sliding seat.

The beneficial technical effects of the utility model are as follows:

the multi-strand fluid pipeline external electric heater provided by the utility model is a novel heating device formed by integrating the functions of a conventional traditional heat exchanger and a conventional electric heater, a spring heating element in the device does not need to be in contact with process fluid, the multi-strand fluid pipeline is heated in a cylinder, the purpose of heating the fluid with stronger danger can be achieved only through the multi-strand fluid pipeline, the heat exchange device has the advantages that the heating element of the heat exchanger is not directly in contact with a medium through a heat exchange pipe and cannot be influenced or corroded by the medium, and the heat exchange device also has the advantages of cleanness in an electric heating mode and high heat efficiency.

Drawings

FIG. 1 is a schematic diagram of an external electric heater for a multi-strand fluid conduit according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of a multi-strand fluid conduit assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic illustration of a multi-strand fluid conduit according to an embodiment of the present utility model;

in the figure: 1-multistrand fluid pipeline, 2-spring heating element, 3-aerogel, 4-barrel, 5-junction box, 6-people's drill way, 7-slide, 8-temperature controller, 9-gas detector, 10-flange.

Detailed Description

In order to make the technical solution of the present utility model more clear and obvious to those skilled in the art, the present utility model will be described in further detail with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.

As shown in fig. 1-3, the multi-strand fluid pipeline external electric heater provided in this embodiment includes a barrel 4, where the barrel 4 is in a cylindrical hollow structure, and the left end and the right end of the barrel are open (not completely closed, and a mounting space such as a manhole opening and a junction box is left) and the inner cavity of the barrel 4 is provided with a multi-strand fluid pipeline 1 for conveying fluid, the multi-strand fluid pipeline 1 can determine to adopt several fluid pipelines according to a required working condition, the inlet and outlet of the multi-strand fluid pipeline 1 are located outside the barrel 4, and a temperature controller 8 is provided at the inlet and outlet of the multi-strand fluid pipeline 1;

the inner side of the cylinder 4 is provided with a plurality of spring heating elements 2 which are equidistantly and alternately distributed along the circumferential direction, the inner wall of the cylinder 4 is subjected to heat insulation treatment by adopting aerogel 3 for heat insulation, the plurality of spring heating elements 2 are uniformly arranged on the inner side surface of the aerogel 3, and the spring heating elements 2 and the multi-strand fluid pipelines 1 are spaced, namely the multi-strand fluid pipelines 1 are not contacted with the spring heating elements 2, so that the two cannot be mutually influenced when being installed or detached;

the right end face of the cylinder 4 is provided with an explosion-proof junction box 5, the spring heating element 2 is communicated with the explosion-proof junction box 5, when the spring heating element 2 is electrified to generate heat, the generated heat heats process fluid in the multi-strand fluid pipeline 1, the process fluid flows between the inlet and the outlet of the multi-strand fluid pipeline 1 to achieve the purpose of being heated (the fluid flows in the multi-strand fluid pipeline 1 in the whole course in the process of flowing in from the inlet and flowing out from the outlet), and the temperature value before and after the heating is displayed through the temperature controller 8.

In this embodiment, the left end of the barrel 4 is provided with a barrel cover, a connecting flange 10 is arranged between the barrel cover and the barrel 4, welding fixation can be adopted between the multi-strand fluid pipeline 1 and the connecting flange 10, the barrel cover can be fixed with the connecting flange 10 through bolts and nuts, a gas detector 9 is arranged on the barrel cover, the detection end of the gas detector 9 stretches into the barrel 4 and is used for monitoring the gas composition in the barrel 1, the gas composition change in the barrel 4 can be found in time, and the inlet and outlet of the multi-strand fluid pipeline 1 is inserted in the barrel cover.

In this embodiment, the right end of the cylinder 4 is further provided with a manhole 6, so that the inside of the cylinder 4 is maintained at a later stage.

In this embodiment, the multi-strand fluid pipe 1 is installed on the slide 7, and the installation of the multi-strand fluid pipe 1 can be completed by moving the slide 7 into the cylinder 4;

a certain space is reserved at the central position of the bottom of the inner wall of the cylinder 4, and the space is used for placing the sliding seat 7.

In the embodiment, the thermal efficiency of the multi-strand electric heater can reach more than 98%, and the multi-strand pipeline can obtain small pressure drop, so that the power source of a user is reduced, and the purpose of saving energy is achieved.

In summary, in this embodiment, the multi-strand fluid pipeline external electric heater provided in this embodiment is a novel heating device formed by integrating functions of a conventional heat exchanger and a conventional electric heater, and a spring heating element in the device does not need to be in contact with process fluid, and can heat the multi-strand fluid pipeline in the cylinder, so that the purpose of heating the fluid with high risk can be achieved only through the multi-strand fluid pipeline.

The above description is merely a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present utility model within the scope of the present utility model disclosed in the present utility model.

Claims (8)

1. An external electric heater for a multi-strand fluid pipeline, which is characterized in that: including barrel (4), the inner chamber of barrel (4) is provided with stranded fluid pipeline (1) that are used for carrying fluid, the inboard of barrel (4) is provided with a plurality of spring heating element (2), spring heating element (2) external power back produce heat at barrel (4) inner chamber to heat the fluid that is located stranded fluid pipeline (1), be provided with the thermal-insulated piece between barrel (4) and spring heating element (2), have the interval between spring heating element (2) and stranded fluid pipeline (1).

2. The multi-strand fluid conduit external electric heater of claim 1, wherein: the cylinder body (4) is of a columnar hollow structure, one end of the cylinder body is open, the other end of the cylinder body is sealed, a cylinder cover is arranged at one end of the cylinder body (4), and a connecting flange (10) is arranged between the cylinder cover and the cylinder body (4).

3. The multi-strand fluid conduit external electric heater of claim 1, wherein: the inlet and outlet of the multi-strand fluid pipeline (1) are positioned outside the cylinder body (4).

4. The multi-strand fluid conduit external electric heater of claim 1, wherein: temperature controllers (8) are arranged at the inlet and outlet of the multi-strand fluid pipeline (1), and a junction box (5) and a manhole (6) are further arranged on the cylinder body (4).

5. The multi-strand fluid conduit external electric heater of claim 1, wherein: the heat insulation piece is aerogel (3).

6. The multi-strand fluid conduit external electric heater of claim 1, wherein: the inner cavity of the cylinder body (4) is provided with a sliding seat (7), and the multi-strand fluid pipeline (1) is arranged on the top surface of the sliding seat (7).

7. The multi-strand fluid conduit external electric heater of claim 1, wherein: the cylinder body (4) is provided with a gas detector (9), and the detection end of the gas detector (9) is positioned in the cylinder body (4).

8. The multi-strand fluid conduit external electric heater of claim 4, wherein: the junction box (5) is an explosion-proof junction box.