Ammonia flowmeter | Will there be vaporization? If differential pressure is used to measure flow, will vaporization affect the measurement? Is it serious ..

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1. Diagram and detailed steps of a simple liquid ammonia absorption device

The core of a simple liquid ammonia absorption device is to achieve efficient mass transfer through gas-liquid countercurrent contact, and its operation must strictly follow safety regulations. 1. The simple liquid ammonia absorption device, which is mainly composed of an absorption tower, a gas supply section, a liquid supply section, and monitoring instruments, is the main component of the installation of the fighter slide. The absorption tower is the core, which is equipped with nozzles, fillers, and grates inside; The gas supply section includes ammonia cylinders, buffer transport tanks, flow meters, and regulating valves; The liquid supply part mainly includes liquid seals and flow control devices; Other key components include thermometers, pressure gauges, differential pressure gauges, and exhaust gas analysis equipment. 2. Detailed operating steps. 2.1 Preparation work: Firstly, check the sealing and connection firmness of the device to ensure no leakage. Start the Ye blower to allow air to enter the bottom of the absorption tower through the stabilizing tank and flow meter. At the same time, open the liquid ammonia steel cylinder to reduce the pressure of ammonia and mix it with air through flow regulation before entering the tower. Adjust the water flow valve to allow the absorbent water to enter the tower through the nozzle. During the absorption process, the gaseous mixture rises in the tower and forms counter current contact with the spray water from top to bottom. The packing layer significantly increases the gas-liquid contact area, allowing ammonia molecules to dissolve efficiently in water. The resulting absorbent is ult

imately discharged from the U-shaped tube at the bottom of the tower. 2.3 Parameter monitoring operation requires continuous monitoring of temperature, pressure, and pressure difference parameters, especially by measuring the exhaust gas composition through a gas analyzer. Adjust the opening of various valves in real-time based on monitoring data to ensure absorption efficiency and operational stability. When closing the operation, cut off the supply of liquid ammonia first, and continue to operate with air and water to purify residual ammonia. Finally, shut down all media and thoroughly clean and maintain the equipment to keep it in good condition. The entire process needs to pay attention to the gas-liquid flow ratio and equipment sealing, and exhaust gas detection is the key basis for evaluating the absorption effect.

2. What are the types of mass flow meters?

3. Case study: The SAGE thermal gas mass flow meter from the United States was applied in Jinxin Chemical Co., Ltd. in Hulunbuir, Inner Mongolia.
In the application case of SAGE thermal gas mass flowmeter in Inner Mongolia Hulunbuir Jinxin Chemical Co., Ltd., since the installation of SRG series instruments in 2013, it has been running steadily for more than 8 years. It is mainly used for monitoring mixed gas flow, with a range ratio of 100:1 and an accuracy of 1% ±. The new instrument has a more concise display and wiring design, and has a sense of technology.
1. Application Background and Requirements: Inner Mongolia Hulunbuir Jinxin Chemical Co., Ltd. is a Sino foreign joint venture with a registered capital of 1.38 billion yuan, mainly engaged in coal resource mining, processing, and comprehensive utilization.
. Its core project

Ammonia flowmeter | Will there be vaporization? If differential pressure is used to measure flow, will vaporization affect the measurement? Is it serious ..

1. Diagram and detailed steps of a simple liquid ammonia absorption device

2. What are the types of mass flow meters?

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