Novel device for distributing standard gas

Abstract

The invention discloses a novel device for distributing standard gas. In the whole set of device, a raw material gas cylinder is filtered by a filter and then is connected with a raw material control valve; the raw material control valve is connected with a high-pressure adjusting system; the high-pressure adjusting system is connected with a pressure sensor I and then is connected with a low-pressure adjusting system; the low-pressure adjusting system is connected with a pressure sensor II and then is connected with a product control valve, an air release control valve and a vacuum pump valve respectively; a product is placed on an electronic balance; signals of the pressure sensor I and the pressure sensor II and data of the balance are accessed into a signal processing system; and the signal processing system is connected with a data processing system, the air release control valve and a vacuum pump interlocking device respectively. The device can intuitively display the component mass and proportioning, greatly simplifies the gas distribution process and improves work efficiency and weighing accuracy. The system can directly give warning according to the gas distribution components which may cause safety accidents and chemical reaction, so that operation simplicity, safety and quickness of the equipment are greatly improved.

Description

technical field [0001] The invention discloses a gas distribution device, in particular to a novel standard gas distribution device. Background technique [0002] Standard gas is one of the most widely used standard substances in measurement work, and it is widely used in steel, petroleum, chemical, medical, semiconductor, electric power, metal processing and other industries. With the precision of various instruments and meters in industrial production, the requirements for standard gases are also increasing, which is mainly reflected in the continuity of accuracy and concentration. At present, the order of standard gas in the measurement industry is prepared at a specific point according to the user's requirements, but for the multi-point linearity evaluation of the instrument and the linear comparison within a certain range, a single standard gas is powerless. At the same time, many instruments and meters require on-site calibration, and it is inconvenient to carry a...

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Problems solved by technology

[0006] Aiming at the above technical problems, the present invention provides a method that can solve the problems of cumbersome configuration of traditional gas distribution devices, large volume of gas distribution system, complicated operation process, long weighing time, complicated evaluation procedure of uncertainty, potential safety hazards and low production efficiency. The new standard gas distribution device

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