How to achieve quantitative control with gas flowmeter?

This program is mainly based on the pulse flow signal fed back to the quantitative controller by the gas flowmeter. When the cumulative flow rate reaches the set value (quantitative value), the quantitative controller will send a switch signal to the electromagnetic valve or pump, which has reached the value for the valve and pump. startup and shutdown control. Realize automatic and manual control of feeding. The system has high precision, simple operation, and can be calibrated on-site. At present, many enterprises will use it or it is a project that needs to be improved. It has the characteristics of easy operation and easy learning, intuitive display, manual flow control or automatic flow control. It is especially suitable for oil mixing, water mixing, chemical mixing, batching, quantitative water injection and quantitative control of various liquids in oil fields. At present, some enterprises that still use manual operation of canning/feeding, and do not want to invest too much cost, but want to improve work efficiency, recommend this system. 1. Gas flowmeter: This is the basis of control and directly affects the effect of control. Therefore, the basic requirement is that the higher the measurement accuracy, the better, and it has a signal output function. At the same time, there are many types of gas flowmeters, and it is necessary to select the appropriate gas flowmeter according to the parameters such as the measurement medium, pipe diameter, and flow range. 2. HPPLC control box: It contains full Chinese liquid crystal display quantitative controller, internal control circuit and components, external control buttons and indicator lights, etc. The standard size of the box is 400*300*200mm, and the power supply is AV220V. 3. Cut-off equipment: It can be the existing power equipment of the pipeline, such as a pump; it can also be a solenoid valve, electric valve, flow valve, etc. installed later. Control process: After receiving the flow signal from the gas flowmeter, the quantitative controller completes the accumulation of the flow internally, and at the same time sets the required quantitative control value inside the controller. When the cumulative value displayed by the quantitative controller reaches the required When the quantitative control value is set, the quantitative controller outputs a switch signal. At this time, the switch signal is used to control the cut-off equipment installed on the pipeline through connecting relays or contactors, so as to achieve the effect of quantitative control.

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Increasing consumer awareness and rising concern about improving rosemount vortex flow meter are driving the market of products.