Special gas pipeline heating equipment

Abstract

The utility model discloses special gas pipeline heating equipment which comprises a first heating part, a second heating part, a heat preservation part, a heating part and a heat insulation part, the first heating part and the second heating part are arranged in a housing, and the heat preservation part is installed outside the housing; at least one first heating mechanism and at least one second heating mechanism are arranged at the top end of the housing; the heating part comprises a first heating part and a second heating part, a pipeline of the first heating mechanism is mounted in the first heating part, and a pipeline of the second heating mechanism is mounted in the second heating part; the heat insulation part comprises a first heat insulation part and a second heat insulation part. According to the heating equipment, the first-stage heating and the second-stage heating are adopted, and each stage is provided with a heat insulation part, so that the heating power is higher; the heat insulation part enables the temperature measurement of the temperature sensor not to be affected by two sides, and the position of the temperature sensor is closer to the pipeline, so that the temperature measurement effect is more accurate. And high-temperature protection switches are arranged on the first-stage heating inlet and outlet side and the second-stage heating inlet and outlet side respectively, so that the safety is greatly improved.

Description

Technical Field

[0001] The utility model relates to a pipeline heating device, in particular to a special gas pipeline heating device, belonging to the technical field of special gas pipeline heating. Background Art

[0002] The special gas pipeline is a pipeline system for transporting special gases, which ultimately allows the special gases to be transported and used safely and reasonably. During the process of large-flow transportation of special gases in the pipeline, the pressure regulating valve adjusts to reduce the operating pressure of the special gases, causing the special gases to absorb a large amount of external heat and the pipeline to be in a low-temperature state. Therefore, special gases generally require pipeline heating when transported at large flow rates.

[0003] At present, conventional single or first-stage heating cannot meet the heating requirements, mainly because the heating power is low; moreover, the existing heating equipment has problems such as inaccurate temperature measurement and cannot achieve better pipeline heating; at the same time, due to the lack of insulation measures, the heating efficiency and insulation effect are also poor. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a special gas pipeline heating device, which solves the problems of inaccurate temperature measurement and poor heating efficiency of the existing heating equipment.

[0005] The technical problem to be solved by the utility model is achieved by adopting the following technical solutions:

[0006] The utility model provides a special gas pipeline heating device, comprising a first heating part, a second heating part, a heat preservation part, a heating part and a heat insulation part arranged in a housing, wherein:

[0007] The cover shell has the heat-insulating part installed on its exterior;

[0008] The top end of the housing is provided with at least one first heating mechanism and at least one second heating mechanism;

[0009] The heating unit includes a first heating unit and a second heating unit, wherein:

[0010] The pipe of the first heating mechanism is installed in the first heating part,

[0011] The pipe of the second heating mechanism is installed in the second heating part;

[0012] The heat insulating portion includes a first heat insulating portion and a second heat insulating portion.

[0013] As a preferred technical solution of the present utility model, a first heat insulating part is provided in both the first heating part and the second heating part.

[0014] As a preferred technical solution of the present utility model, a second heat insulating part is provided between the first heating part and the second heating part.

[0015] As a preferred technical solution of the utility model, a wiring port is provided at the top of the cover shell.

[0016] As a preferred technical solution of the present utility model, a sensor installation location and a protection switch installation location are provided in the heating portion and / or the heat insulation portion.

[0017] Preferably, pipeline installation holes are provided on the first heating part and the second heating part.

[0018] Further preferably, the wiring port is arranged in a wiring box.

[0019] The beneficial effects of the utility model are as follows: the heating device of the utility model has at least two levels of heating (a first heating mechanism and a second heating mechanism), primary heating and secondary heating, each level has a heat insulation part, and the heating power is greater; the heat insulation part ensures that the temperature measurement of the temperature sensor will not be affected by the double-sided influence, and at the same time, the position of the temperature sensor is closer to the pipeline, so that the temperature measurement effect is more accurate; a high-temperature protection switch is provided, respectively on the primary heating inlet and outlet side and the secondary heating inlet and outlet side, and the safety is greatly improved; the setting of the cover shell and the heat preservation part can reduce the heat loss more than the heater semi-surrounded by the heat preservation cotton in the prior art; the position of the junction box is also designed to be above the heater, which will not interfere with other parts of the shell and save more space. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0022] Figure 3 It is a partial structural schematic diagram of the utility model;

[0023] In the figure: 1. junction box; 2. cover shell; 3. insulation part; 4. wiring port; 5. first heating mechanism; 6. second heating mechanism; 71. first heating part; 72. second heating part; 81. first insulation part; 82. second insulation part; 9. sensor installation place; 10. protection switch installation place; 11. pipeline installation hole. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0025] Example

[0026] like Figure 1-3 As shown, this embodiment provides a special gas pipeline heating device, including a first heating part 71, a second heating part 72, and a heat preservation part 3, a heating part and a heat insulation part arranged in a housing 2, wherein the housing 2 is provided with a heat preservation part 3 on its outside. In this embodiment, the heat preservation part 3 is made of heat preservation materials such as heat preservation cotton, which can reduce heat loss more than the heater semi-surrounded by heat preservation cotton in the prior art;

[0027] At least one first heating mechanism 5 and at least one second heating mechanism 6 are provided at the top of the housing 2. Accordingly, each first heating mechanism 5 or second heating mechanism 6 has a corresponding heating portion and a heat insulating portion. In this embodiment, preferably only a single first heating mechanism 5 or second heating mechanism 6 is provided. In other embodiments, the heating levels can be increased or adjusted according to the required number of heating levels.

[0028] The heating part includes a first heating part 71 and a second heating part 72, wherein the pipeline of the first heating mechanism 5 is installed in the first heating part 71, and the pipeline of the second heating mechanism 6 is installed in the second heating part 72. Accordingly, the first heating part 71 and the second heating part 72 are provided with pipeline installation holes 11;

[0029] The insulation part includes a first insulation part 81 and a second insulation part 82. Specifically, the first insulation part 81 is provided in the first heating part 71 and the second heating part 72, and the second insulation part 82 is provided between the first heating part 71 and the second heating part 72, thereby achieving insulation of the first heating part 71 and the second heating part 72. Preferably, an insulation pad is used so that the heating effects do not affect each other.

[0030] A wiring port 4 is provided at the top of the cover shell 2. The wiring port 4 is provided in the junction box 1 and is designed above the heater so as not to interfere with other parts of the shell and save space.

[0031] A sensor installation location 9 and a protection switch installation location 10 are provided in the heating part and / or the insulation part for installing the temperature sensor and the high-temperature protection switch. The insulation part ensures that the temperature measurement of the temperature sensor (provided on the sensor installation location 9) will not be affected by bilateral influences. At the same time, the position of the temperature sensor is closer to the pipeline (the heating pipeline of the heating mechanism 5 or the heating mechanism 6), so that the temperature measurement effect is more accurate; a high-temperature protection switch is provided (provided at the protection switch installation location 10, one for each set of heating mechanisms), preferably at the first-level heating inlet and outlet sides and the second-level heating inlet and outlet sides, respectively, so that the safety is greatly improved.

[0032] Specifically, when heating, in this embodiment, the power of the first-stage heating (first heating unit 71) is preferably 4-8KW, and the power of the second-stage heating (second heating unit 72) is preferably 0.5-2KW. For example, the first heating unit 71 and the second heating unit 72 composed of four heating pads have a greater heating power. Specifically, the gas source pipeline is first connected to the first-stage heating pipeline 5 (first heating mechanism 5) for the first heating, and then connected to the second-stage heating pipeline 6 (second heating pipeline 6) for secondary heating after pressure regulation by the first-stage pressure regulating valve, and finally connected to the rear-end pipeline. Preferably, in this embodiment, the end of the heating unit The initial set temperature is 35°C, and the set temperature can be adjusted according to the on-site environment during use; the power supply and signal are connected to the junction box 1 through the wiring port 4 to realize the input and output of the signal; the insulation part makes the temperature measurement of the temperature sensor (arranged on the sensor installation position 9) not affected by the bilateral influence, and the position of the temperature sensor is closer to the pipeline (the heating pipeline of the heating mechanism 5 or the heating mechanism 6), so that the temperature measurement effect is more accurate; a high temperature protection switch is set (arranged at the protection switch installation position 10, one for each heating mechanism), preferably at the first-level heating inlet and outlet side and the second-level heating inlet and outlet side, respectively, so that the safety is greatly improved.

[0033] The heating device of the utility model has at least two levels of heating (a first heating mechanism 5 and a second heating mechanism 6) to realize primary heating and secondary heating, or realize more levels of heating, each level has a heat insulation part, and the heating power is greater; the heat insulation part makes the temperature measurement of the temperature sensor (arranged on the sensor installation position 9) not affected by the bilateral influence, and at the same time, the position of the temperature sensor is closer to the pipeline (the heating pipeline of the heating mechanism 5 or the heating mechanism 6), so that the temperature measurement effect is more accurate; a high-temperature protection switch is provided (arranged at the protection switch installation position 10, one for each set of heating mechanisms), preferably at the primary heating inlet and outlet side and the secondary heating inlet and outlet side respectively, and the safety is greatly improved; the setting of the cover shell 2 and the insulation part 3, preferably, the cover shell 2 is made of stainless steel or other metals, and the insulation part 3 is made of insulation materials such as insulation cotton, which can reduce heat loss more than the heater semi-surrounded by insulation cotton in the prior art; the position of the junction box 1 is also designed to be above the heater, which will not interfere with other parts of the shell and save more space.

[0034] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of protection claimed by the utility model. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A special gas pipeline heating device, characterized in that: It comprises a first heating part (71), a second heating part (72), a heat preservation part (3), a heating part and a heat insulation part, which are arranged in a housing (2), wherein: The cover shell (2) has the heat-insulating part (3) installed on its exterior; The top end of the housing (2) is provided with at least one first heating mechanism (5) and at least one second heating mechanism (6); The heating unit comprises a first heating unit (71) and a second heating unit (72), wherein: The pipe of the first heating mechanism (5) is installed in the first heating part (71). The pipeline of the second heating mechanism (6) is installed in the second heating part (72); The heat insulating portion includes a first heat insulating portion (81) and a second heat insulating portion (82).

2. A special gas pipeline heating device according to claim 1, characterized in that: A first heat insulating portion (81) is disposed in both the first heating portion (71) and the second heating portion (72).

3. The special gas pipeline heating device according to claim 1, characterized in that: A second heat insulating portion (82) is provided between the first heating portion (71) and the second heating portion (72).

4. The special gas pipeline heating device according to claim 1, characterized in that: A wiring port (4) is provided at the top end of the cover shell (2).

5. The special gas pipeline heating device according to claim 1, characterized in that: A sensor installation location (9) and a protection switch installation location (10) are provided in the heating portion and / or the heat insulation portion.

6. The special gas pipeline heating device according to claim 1, characterized in that: Pipe mounting holes (11) are provided on the first heating part (71) and the second heating part (72).

7. The special gas pipeline heating device according to claim 4, characterized in that: The wiring port (4) is arranged in the wiring box (1).

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