Humidity generating device
A technology of humidity generation and humidity, applied in the direction of measuring device, humidity control, standard gas analyzer, etc., can solve the problem of waste of dry gas and achieve the effect of solving the waste of dry gas
Pending Publication Date: 2018-11-16
郑州迪邦科技有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide a humidity generating device to solve the problem of dry gas waste when preparing low humidity gas in the prior art
Method used
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[0027] Preparation of high humidity gas: such as figure 1 As shown, the first flow controller 2, the second flow controller 3 and the humidity flow controller 15 are opened, and the flow value is measured, the third flow controller 4 is closed, the mixing gas circuit switch valve 23 is opened, and the pressure relief gas circuit switch valve 13 off. The dry gas output by the first flow controller 2 passes through the one-way valve 5, the buffer 6, and the saturator 9 in sequence, and becomes saturated gas. The saturated gas and the dry gas output by the second flow controller 3 are preliminarily mixed through the four-way mixer 24 , then enter the gas mixer 17 for thorough mixing, and then the fully mixed gas enters the exhaust end splitter 19 for splitting. It should be noted that the diverter 19 at the exhaust end is a three-way splitter, and the diverter 19 at the exhaust end also has a certain mixing effect on the gas entering it. A part of the gas in the exhaust-end shu...
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The invention relates to a humidity generating device. The humidity generating device comprises a saturator used for generating saturated gas, a dual-pressure humidity control module used for adjusting the humidity of the saturated gas, and a gas mixer, wherein the saturator, the dual-pressure humidity control module and the gas mixer are connected in sequence; and the dual-pressure humidity control module comprises a pressure reducer; the gas mixer is provided with a dry gas inlet allowing dry gas to enter the gas mixer to mix with intermediate gas flowing out of the dual-pressure humidity control module so as to obtain gas with set humidity. The saturated gas generated by the saturator passes through the dual-pressure humidity control module and becomes the intermediate gas with low humidity, and then, an appropriate amount of dry gas and the intermediate gas are introduced into the gas mixer as needed for mixing so as to obtain the low-humidity gas with the set humidity. Compared with the prior art, since the relative humidity of the intermediate gas having been mixed with the dry gas is low, only a small amount of dry gas is needed for mixing with the intermediate gas so as toobtain the low-humidity gas with the set humidity, so the problem of wasting of dry gas in preparation of low-humidity gas in the prior art is overcome.
Description
technical field [0001] The invention relates to a humidity generating device. Background technique [0002] In recent years, humidity measurement has been widely used in various environmental fields, such as electric power, chemical industry, electronics, food, medicine, wood, construction, aviation and other fields are inseparable from the measurement of humidity. In the technical process of these fields, the size of the humidity content is usually a very important technical parameter. In some places, the humidity should not be too high, and in some places, the humidity should not be too small. Therefore, accurate measurement of humidity is not only related to the quality of industrial products, but also directly related to the safety and service life of equipment operation, and is also of great significance to production and energy saving. Then, if you want to measure the humidity accurately, you need standard humidity calibration equipment, and the humidity generating de...
Claims
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Login to View More IPC IPC(8): G01N33/00G05D22/02
CPCG05D22/02G01N33/0006
Inventor 李永亮张正俊宋高强
Owner 郑州迪邦科技有限公司