Thermal insulation layer of novel tubular heating device

Abstract

The utility model relates to the technical field of tubular heating devices, in particular to a novel thermal insulation layer of a tubular heating device, which comprises a tube body, a heating element is mounted on the outer side wall of the tube body, and a thermal insulation layer is sleeved outside the heating element. The heat preservation layer comprises a first nanometer aerogel felt, a first alkali-free cloth, a second nanometer aerogel felt and a second alkali-free cloth, the first alkali-free cloth is installed on the outer portion of the first nanometer aerogel felt, and the second nanometer aerogel felt is installed on the outer portion of the first alkali-free cloth. The first nanometer aerogel felt, the first alkali-free cloth, the second nanometer aerogel felt and the second alkali-free cloth insulate heat emitted by the electric heating element through the characteristics of the first nanometer aerogel felt, the first alkali-free cloth, the second nanometer aerogel felt and the second alkali-free cloth, the heat preservation performance is improved, the service life is prolonged, installation and maintenance are convenient, and therefore the overall performance and the energy utilization efficiency of the tubular heating device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tubular heating device, concretely to a novel heat preservation layer of tubular heating device. BACKGROUND

[0002] In many industrial fields, tubular heating devices are widely used. However, the existing heat preservation layer of tubular heating device has some problems, such as poor heat preservation effect, which leads to a large amount of heat loss from the heating device to the surrounding environment, which not only causes waste of energy, but also affects the working efficiency of the heating device and the temperature of the surrounding environment. In addition, the structural design of some heat preservation layers is not reasonable, inconvenient to install, short service life, difficult to meet the long-term stable demand of industrial production, therefore, a novel heat preservation layer of tubular heating device is proposed. SUMMARY

[0003] Therefore, the utility model provides a novel heat preservation layer of tubular heating device to solve or alleviate the technical problems in the prior art, at least to provide a beneficial choice.

[0004] The technical scheme of the utility model is as follows: a novel heat preservation layer of tubular heating device, comprising a pipe body, a heating element is installed on the outer side wall of the pipe body, a heat preservation layer is externally sleeved with the heating element, the heat preservation layer comprises a first nano aerogel felt, a first alkali-free cloth, a second nano aerogel felt and a second alkali-free cloth, the first alkali-free cloth is installed on the outside of the first nano aerogel felt, the second nano aerogel felt is installed on the outside of the first alkali-free cloth, and the second alkali-free cloth is installed on the outside of the second nano aerogel felt.

[0005] Further preferably, the thickness of the first nano aerogel felt and the second nano aerogel felt is one centimeter, and the physical properties of the glass fiber cotton of the second alkali-free cloth are greater than the physical properties of the glass fiber cotton of the first alkali-free cloth.

[0006] Further preferably, a protective shell is installed on the outside of the heat preservation layer, and the protective shell is made of high-strength, corrosion-resistant metal.

[0007] The utility model embodiment has the following advantages due to the adoption of the above technical scheme:

[0008] The utility model improves the material and structure of the heat preservation layer, the first nano aerogel felt, the first alkali-free cloth, the second nano aerogel felt and the second alkali-free cloth insulate the heat emitted by the electric heating element through their own characteristics, improve the heat preservation performance, prolong the service life, facilitate installation and maintenance, thereby improving the overall performance and energy utilization efficiency of the tubular heating device.

[0009] The above summary is intended to illustrate the application and is not intended to be limiting thereof. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features will become apparent to those skilled in the art upon examination of the drawings and the following detailed description of the disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0011] Fig. 1 is a structural diagram of the present application;

[0012] Fig. 2 is a sectional view of the thermal insulation layer of the present application.

[0013] Reference signs: 1, pipe body; 2, heating element; 3, thermal insulation layer; 31, first nanometer aerogel felt; 32, first alkali-free cloth; 33, second nanometer aerogel felt; 34, second alkali-free cloth; 4, protective shell. DETAILED DESCRIPTION

[0014] In the following, only some exemplary embodiments are simply described. As those skilled in the art can realize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be essentially exemplary rather than limiting.

[0015] The embodiments of the present application will be described in detail below with reference to the drawings.

[0016] As Figs. 1-2 shown, the embodiment of the present application provides a thermal insulation layer of a novel tubular heating device, which comprises a pipe body 1, a heating element 2 is installed on the outer side wall of the pipe body 1, a thermal insulation layer 3 is externally sleeved on the heating element 2, the thermal insulation layer 3 comprises a first nanometer aerogel felt 31, a first alkali-free cloth 32, a second nanometer aerogel felt 33 and a second alkali-free cloth 34, the first alkali-free cloth 32 is installed on the outside of the first nanometer aerogel felt 31, the second nanometer aerogel felt 33 is installed on the outside of the first alkali-free cloth 32, and the second alkali-free cloth 34 is installed on the outside of the second nanometer aerogel felt 33.

[0017] In one embodiment, the first nanometer aerogel felt 31 and the second nanometer aerogel felt 33 are both one centimeter thick, the physical properties of the glass fiber cotton of the second alkali-free cloth 34 are greater than the physical properties of the glass fiber cotton of the first alkali-free cloth 32; through the cooperation of the first nanometer aerogel felt 31, the first alkali-free cloth 32, the second nanometer aerogel felt 33 and the second alkali-free cloth 34, the heat preservation performance is improved, the service life is prolonged, the installation and maintenance are facilitated, and thus the overall performance and energy utilization efficiency of the tubular heating device are improved.

[0018] In one embodiment, the outer part of the heat preservation layer 3 is provided with a protective shell 4, and the protective shell 4 is made of high-strength and corrosion-resistant metal; through the arrangement of the protective shell 4, the heat preservation layer 3 is protected.

[0019] The utility model discloses a tubular heating device, which comprises a pipe body 1, an electric heating element 2, a first nanometer aerogel felt 31, a first alkali-free cloth 32, a second nanometer aerogel felt 33 and a second alkali-free cloth 34.

[0020] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A novel heat retaining layer of a tubular heating device, characterized by: The utility model provides a kind of heating pipe, including pipe body (1), the outer side wall of pipe body (1) is equipped with heating element (2), the outside of heating element (2) is equipped with heat preservation layer (3), and the heat preservation layer (3) includes first nano aerogel felt (31), first alkali-free cloth (32), second nano aerogel felt (33) and second alkali-free cloth (34), first alkali-free cloth (32) is installed in the outside of first nano aerogel felt (31), second nano aerogel felt (33) is installed in the outside of first alkali-free cloth (32), and second alkali-free cloth (34) is installed in the outside of second nano aerogel felt (33).

2. A novel thermal insulation layer for a tubular heating device according to claim 1, characterized in that: The thickness of the first nano aerogel felt (31) and the second nano aerogel felt (33) is one centimeter, and the physical properties of the glass fiber cotton of the second alkali-free cloth (34) are greater than the physical properties of the glass fiber cotton of the first alkali-free cloth (32).

3. A novel thermal insulation layer for a tubular heating device according to claim 1, characterized in that: The outside of the heat preservation layer (3) is equipped with protective shell (4), and the protective shell (4) is made of high-strength, corrosion-resistant metal.

Images