Heating structure for large tank

Abstract

The embodiment of the utility model provides a heating structure for a large tank. The heating structure comprises a vacuum guide pipe, a heat-conducting medium and a heating device, the vacuum guide pipe is of a flexible structure, and one end of the vacuum guide pipe extends into the tank body along the opening of the tank body; the heat-conducting medium is a gas-liquid phase change material, is filled in the vacuum guide pipe and is used for conducting heat at one end to the whole vacuum guide pipe when being heated, and the heat-conducting medium is increased in volume during phase change so as to support the vacuum guide pipe to extend to the upper part of the tank body; the heating device is connected with the other end of the vacuum guide pipe and used for heating one end of the vacuum guide pipe. The continuous closed space is formed by the pipes, potential safety hazards are avoided, and when the temperature of the heated end rises, the heat-conducting medium in the guide pipe can rapidly rise and expand, so that heat is uniformly conducted.

Description

Technical Field

[0001] The present invention relates to the technical field of oil storage, in particular to a heating structure for a large tank. Background Art

[0002] In the oil industry, there are many large gas and liquid storage tanks that are easily affected by the weather and have low gas and liquid temperatures, which require heating and insulation.

[0003] There are several types of anti-icing heating devices for the internal liquid of large storage tanks:

[0004] Heating rod: Heat is transferred to the liquid inside the tank through the resistance heating rod to keep it at a sufficient temperature to prevent freezing.

[0005] Heating tape: Wrap the heating tape around the surface of the tank to maintain the temperature of the liquid through the heat conducted by the heating tape.

[0006] Steam heating system: The steam heating system provides heat to the storage tank to keep the liquid inside within a certain temperature range.

[0007] There are some problems with these large tank internal liquid anti-icing heating devices:

[0008] High energy consumption; these heating devices usually require a lot of energy to provide heat, resulting in high energy consumption.

[0009] Uneven heating: The above heating devices all heat through external circulation, and the temperature gradually rises from the outside to the inside. However, since the temperature rises quickly near the heat source, the temperature inside the tank is uneven.

[0010] Safety hazards: When using a heating device, there may be safety hazards such as leakage or electric leakage in the liquid, and special attention should be paid to safety measures and protective measures. Summary of the Invention

[0011] An embodiment of the present invention provides a heating structure for a large tank to solve one or more technical problems in the above-mentioned background technology.

[0012] In a first aspect, an embodiment of the present invention provides a heating structure for a large tank, comprising:

[0013] A vacuum conduit, wherein the vacuum conduit is a flexible structure, and one end of the vacuum conduit is used to extend along the opening of the tank body to the interior of the tank body;

[0014] a heat-conducting medium, the heat-conducting medium being a gas-liquid phase-change material, filled in the vacuum conduit and configured to transfer heat from one end to the entire vacuum conduit when heated, and wherein the heat-conducting medium increases in volume during phase change, thereby propping up the vacuum conduit and extending it toward the upper portion of the tank body;

[0015] A heating device is connected to the other end of the vacuum conduit and is used to heat one end of the vacuum conduit.

[0016] In a preferred embodiment, the vacuum conduit is spiral-shaped.

[0017] In a preferred embodiment, the length of the vacuum conduit is equal to twice the height of the inner wall of the tank.

[0018] In a preferred embodiment, a connecting flange is provided at a position of the vacuum conduit near the heating device, the vacuum conduit passes through the connecting flange, and the vacuum conduit is fixedly connected to the connecting flange, and the connecting flange is used to seal the vacuum conduit with the tank opening after the vacuum conduit enters the tank along the tank opening.

[0019] One of the above technical solutions has the following advantages or beneficial effects: the utility model uses pipes to form a continuous closed space, which does not pose a safety hazard. When the heated end is heated, the heat-conducting medium in the conduit can quickly heat up and expand, thereby evenly conducting heat.

[0020] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the multiple drawings represent the same or similar components or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings only depict some embodiments disclosed herein and should not be construed as limiting the scope of the invention.

[0022] Figure 1 A schematic diagram of the overall structure of a heating structure for a large tank according to an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0023] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be considered as illustrative in nature and not restrictive.

[0024] This embodiment provides a heating structure for a large tank. Figure 1As shown, the heating structure includes a vacuum pipe 200 , a heat transfer medium 300 and a heating device 400 .

[0025] The vacuum conduit 200 is a flexible structure, and one end of the vacuum conduit 200 is used to extend along the opening of the tank body 100 to the interior of the tank body 100 .

[0026] The heat-conducting medium 300 is a gas-liquid phase change material. The heat-conducting medium 300 is filled in the vacuum conduit 200. When heated, the heat-conducting medium 300 is used to transfer heat from one end to the entire vacuum conduit 200. The heat-conducting medium 300 increases in volume during phase change to support the vacuum conduit 200 and extend it toward the upper part of the tank body 100.

[0027] The heating device 400 is connected to the other end of the vacuum tube 200 , and is used to heat one end of the vacuum tube 200 .

[0028] In this embodiment, a continuous closed space is formed by using pipes, and there is no potential safety hazard. When the temperature of the heated end rises, the heat-conducting medium in the conduit can quickly heat up and expand, thereby conducting heat evenly.

[0029] In one embodiment, the vacuum conduit 200 is spiral-shaped.

[0030] In a specific implementation, the length of the vacuum conduit 200 is equal to twice the height of the inner wall of the tank 100 .

[0031] In a specific implementation, a connecting flange is provided at a position of the vacuum conduit 200 near the heating device 400. The vacuum conduit 200 passes through the connecting flange, and the vacuum conduit 200 is fixedly connected to the connecting flange. The connecting flange is used to seal the vacuum conduit 200 with the tank opening after the vacuum conduit 200 enters the tank body 100 along the tank opening.

[0032] In the description of this specification, reference to the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and integrate different embodiments or examples described in this specification, as well as features of different embodiments or examples, unless otherwise inconsistent.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0034] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications and substitutions within the technical scope disclosed in the present invention, and such modifications and substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A heating structure for a large tank, characterized in that: include: A vacuum conduit, wherein the vacuum conduit is a flexible structure, and one end of the vacuum conduit is used to extend along the opening of the tank body to the interior of the tank body; a heat-conducting medium, the heat-conducting medium being a gas-liquid phase-change material, filled in the vacuum conduit and configured to transfer heat from one end to the entire vacuum conduit when heated, and wherein the heat-conducting medium increases in volume during phase change, thereby propping up the vacuum conduit and extending it toward the upper portion of the tank body; A heating device is connected to the other end of the vacuum conduit and is used to heat one end of the vacuum conduit.

2. The heating structure for a large tank according to claim 1, characterized in that: The vacuum conduit is spiral-shaped.

3. The heating structure for a large tank according to claim 1, characterized in that: The length of the vacuum conduit is equal to twice the height of the inner wall of the tank.

4. The heating structure for a large tank according to claim 1, characterized in that: A connecting flange is provided at a position of the vacuum conduit near the heating device. The vacuum conduit passes through the connecting flange and is fixedly connected to the connecting flange. The connecting flange is used to seal the vacuum conduit with the tank opening after the vacuum conduit enters the tank along the tank opening.

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