An auxiliary heating type humidity generator

A technology for auxiliary heaters and humidity generators, applied to instruments, simultaneous control of multiple variables, control/regulation systems, etc., can solve problems such as ice blockage, achieve the effect of avoiding frost and ensuring the effect of heating and temperature control

Active Publication Date: 2021-05-28
中航长城计量测试(天津)有限公司
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Problems solved by technology

[0005] In order to solve the problem of ice blockage at the inlet pipe of the first-stage humidity saturator, the technical problem to be solved by the auxiliary heating humidity generator disclosed in the present invention is: to install a pipe between the gas inlet pipeline and the inlet pipeline of the humidity saturator The auxiliary heater of the pipeline is used to heat the gas in the pipeline through the auxiliary heater of the pipeline, so that the temperature of the gas is always above 0°C when the gas passes through the inlet of the first-stage humidity saturator, so as to avoid saturation in the first-stage humidity Frosting on the inner surface of the inlet pipe of the humidifier can completely solve the problem of ice blockage in the inlet pipe of the first-stage humidity saturator

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  • An auxiliary heating type humidity generator

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Embodiment Construction

[0018] In order to better illustrate the purpose and advantages of the present invention, the content of the invention will be further described below in conjunction with the accompanying drawings and examples.

[0019] Attached below figure 1 , taking the auxiliary heating type humidity generator with a three-stage humidity saturator structure as an example, the present invention will be described in detail below.

[0020] In the auxiliary heating humidity generator disclosed in this embodiment, the humidity generator is set to generate a dew point temperature of -60°C, that is, the constant temperature of the humidity saturator is -60°C. Since the first-stage humidity saturator 3 and the humidity saturator inlet The pipeline 2 has heat exchange. In order to keep the gas temperature above 0°C when the air passes through the inlet pipeline 2 of the humidity saturator, the temperature of the pipeline auxiliary heater 4 is set to 150°C.

[0021] The auxiliary heating humidity g...

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Abstract

An auxiliary heating type humidity generator disclosed by the invention belongs to the technical field of metering and testing. The invention includes an air intake pipeline, an inlet pipeline of a humidity saturator, a first-stage humidity saturator, an air compressor, and a pipeline auxiliary heater. The air compressor, the air intake pipeline, the inlet pipeline of the humidity saturator, and the first-stage humidity saturator are connected in sequence. A pipeline auxiliary heater is installed on the gas inlet pipeline. The line auxiliary heater sets the temperature value of the line auxiliary heater according to the temperature value of the humidity saturator. When the humidity value of the gas output by the humidity generator is above 0°C, the pipeline auxiliary heater does not work; and greater than 50°C. The invention avoids frosting on the inner surface of the inlet pipe of the first-stage humidity saturator, can solve the problem of ice blockage in the inlet pipe of the first-stage humidity saturator, and has the advantages of simple structure and low cost.

Description

technical field [0001] The invention relates to a humidity measurement standard equipment, in particular to a low dew point dual-temperature method standard humidity generator, which belongs to the technical field of measurement and testing. Background technique [0002] A humidity generator is a widely used metering device in the process of verifying or calibrating humidity measuring instruments. For the standard humidity generator, where the humidity saturator is a key component in the humidity generator, the humidity saturator is usually made of a metal material with good thermal conductivity, and multi-stage humidity saturators are connected in series. Its function is to pass the supersaturated gas through the humidity saturator to make it saturated with water vapor at a certain temperature. That is, the gas can neither be supersaturated nor undersaturated. [0003] For the dual-temperature method standard humidity generator that can generate low dew point, usually the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D27/02
CPCG05D27/02
Inventor 吕国义左勇胡艳青官志坚任红磊
Owner 中航长城计量测试(天津)有限公司
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