CN219656322U

CN219656322U - Gas heating device

Info

Publication number: CN219656322U
Application number: CN202320980901.6U
Authority: CN
Inventors: 肖红伟; 哈布尔; 李所彬; 张安安; 许铭强; 张敬守; 方小明; 吕为乔
Original assignee: Aichao Biotechnology Changzhou Co ltd; China Agricultural University
Current assignee: Aichao Biotechnology Changzhou Co ltd; China Agricultural University
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-09-08
Anticipated expiration: 2033-04-26

Abstract

The utility model discloses a gas heating device, which relates to the technical field of gas heating and comprises a shell, a heating component, a heat conducting medium, two sealing discs and a plurality of vent pipes, wherein two ends of the shell are respectively communicated with the two sealing discs, the two sealing discs are respectively and hermetically connected with the two ends of the shell to form a heating cavity, the two sealing discs can rotate relative to the shell around the axis of the shell, the plurality of vent pipes are arranged in a circumferential array around the axis of the shell, the vent pipes and the axis of the shell form an included angle, the heating component is fixedly arranged on the inner wall of the heating cavity and is not contacted with the plurality of vent pipes, the heat conducting medium is a liquid medium, and the heat conducting medium fills the heating cavity, so that the service life of a heater can be prolonged.

Description

Gas heating device

Technical Field

The utility model relates to the technical field of gas heating, in particular to a gas heating device.

Background

In the cooling and drying process, a protective gas (such as nitrogen) needs to be input into the drying cabin to isolate air from the dried objects, so that the objects are prevented from being oxidized, and the input protective gas needs to have a certain temperature, and is usually heated by a gas heater.

The existing gas heater, such as disclosed in patent with the publication number CN204692888U, adopts the heating ring to wrap up in the outside of guide bar and directly heat the guide bar, and the guide bar heats the gas that passes through in it again, but can appear because of the heating ring local too high that generates heat, lead to the guide bar to be burnt out the deformation to shorten the life of heater.

Disclosure of Invention

The utility model aims to provide a gas heating device which solves the problems of the prior art and can prolong the service life of a heater.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides a gas heating device which comprises a shell, a heating assembly, a heat conducting medium, two sealing discs and a plurality of vent pipes, wherein two ends of the shell are respectively communicated with the two sealing discs, the two sealing discs are respectively in sealing connection with the two openings of the two ends of the shell to form a heating cavity, the two sealing discs can rotate relative to the shell around the axis of the shell, the plurality of vent pipes are arranged in a circumferential array around the axis of the shell, the vent pipes are arranged at an included angle with the axis of the shell, the heating assembly is fixedly arranged on the inner wall of the heating cavity and is not in contact with the plurality of vent pipes, the heat conducting medium is a liquid medium, and the heating cavity is filled with the heat conducting medium.

Preferably, the heating component is a plurality of heating elements, and the plurality of heating elements are distributed in a circular array around the axis of the shell.

Preferably, the heat conducting medium is heat conducting oil.

Preferably, the heating element is a heating rod.

Preferably, the heating device further comprises a controller and a temperature sensor, wherein the temperature sensor is fixedly arranged in the heating cavity, and the temperature sensor and the heating assembly are electrically connected with the controller.

Compared with the prior art, the utility model has the following technical effects:

the utility model provides a gas heating device, which adopts a heating component to be not contacted with a vent pipe, and uses a heating medium for heat transfer, so that the problem that the vent pipe is burnt and deformed due to local overheating of the heating component can be avoided, and the service life of a heater is prolonged; the sealing disc is also in rotary sealing connection with the opening of the shell, the vent pipe is arranged at an included angle with the axis of the shell, after the gas to be heated is introduced into the opening at one end of the shell, the gas enters the vent pipe, and the vent pipe and the axis of the shell form an included angle, so that the gas can drive the sealing disc and the vent pipe to rotate, and the vent pipe can stir a heat conducting medium, thereby realizing rapid and uniform heat transfer.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a gas heating device according to the present utility model;

in the figure: 1-shell, 2-heating component, 3-closed disk, 4-breather pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

The utility model provides a gas heating device, as shown in figure 1, the gas heating device comprises a shell 1, a heating component 2, a heat conducting medium, two sealing discs 3, a plurality of vent pipes 4, a controller and a temperature sensor, wherein the shell 1 is a heat-resistant steel shell, the sealing discs 3 are heat-resistant steel discs, the vent pipes 4 are heat-resistant steel vent pipes, two ends of the shell 1 are opened, two ends of the plurality of vent pipes 4 are respectively communicated with the two sealing discs 3, the two sealing discs 3 are respectively and hermetically connected with the two openings at two ends of the shell 1 to form a heating cavity, the two sealing discs 3 can rotate relative to the shell 1 around the axis of the shell 1, the plurality of vent pipes 4 are distributed in a circumferential array around the axis of the shell 1, the vent pipes 4 and the axis of the shell 1 form an included angle, and the included angle is specifically 3-30 degrees, preferably 10-20 degrees, and more preferably 20 degrees; the heating component 2 is fixedly arranged on the inner wall of the heating cavity through a fixing piece and is not contacted with the plurality of ventilation pipes 4, the heat conducting medium is liquid medium, the heating cavity is filled with the heat conducting medium, the temperature sensor is fixedly arranged in the heating cavity through a fixing connecting piece, and the temperature sensor and the heating component 2 are electrically connected with the controller through electric wires.

It is noted that the specific structure of the rotary sealing connection between the disc and the opening of the housing 1 is the prior art, and the rotary shaft sealing member in the patent of the publication CN101046254B or other structures meeting the requirements can be adopted.

Specifically, the heating component 2 is a plurality of heating elements, and the plurality of heating elements are distributed in a circular array around the axis of the shell 1; the heating element is a heating rod; the heat conducting medium is heat conducting oil or other liquid.

In the specific implementation process, an opening at one end of the shell 1 is communicated with a conveying pipeline of gas to be heated, the gas enters the vent pipe 4, and the vent pipe 4 and the axis of the shell 1 form an included angle, so that the gas can drive the sealing disc 3 and the vent pipe 4 to rotate, and the vent pipe 4 can stir a heat conducting medium and realize quick and uniform heat transfer; and because heating element 2 and breather pipe 4 do not contact, utilize the heating medium to carry out heat transfer to can avoid because of heating element 2 local overheat, lead to breather pipe 4 to be burnt out the deformation, thereby prolong the life of heater.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. A gas heating device, characterized in that: comprising the following steps: the heating device comprises a shell, a heating assembly, a heat conducting medium, two sealing discs and a plurality of vent pipes, wherein two ends of the shell are opened, the two ends of the vent pipes are respectively communicated with the two sealing discs, the two sealing discs are respectively connected with the two ends of the shell in a sealing mode to form a heating cavity, the two sealing discs can rotate relative to the shell around the axis of the shell, the vent pipes are distributed in a circumferential array mode around the axis of the shell, the vent pipes and the axis of the shell are arranged in an included angle mode, the heating assembly is fixedly arranged on the inner wall of the heating cavity and is not contacted with the vent pipes, the heat conducting medium is liquid medium, and the heating cavity is filled with the heat conducting medium.

2. A gas heating apparatus according to claim 1, wherein: the heating component is a plurality of heating pieces, and the heating pieces are distributed in a circular array around the axis of the shell.

3. A gas heating apparatus according to claim 1, wherein: the heat conducting medium is heat conducting oil.

4. A gas heating apparatus according to claim 2, wherein: the heating element is a heating rod.

5. A gas heating apparatus according to claim 1, wherein: the heating device also comprises a controller and a temperature sensor, wherein the temperature sensor is fixedly arranged in the heating cavity, and the temperature sensor and the heating assembly are electrically connected with the controller.