Production station measuring instrument of machinery and equipment upgrading work is one of the key work, according to the relevant measuring instrument and supporting facilities, machinery and equipment upgrade, to reasonably reduce the labor efficiency, and improve the precision metrological verification, to manufacture all show to ensure normal operation.
In this paper, a production station in case in detail after upgrading process of oil tank measuring meter.
To the library before upgrading, production station always choose artificial service in oil metrological verification copy meter, gauging read value way.
Laboratory work every two hours, you must to have oil to carry out the inspection, when the moisture content is too high also must do sample data encryption;
Metrological verification of every two small repeatedly, i. e. every two small must copy meter for many times, and regularly perform statistics will be transfer to production scheduling.
And also included in daily human services metrological verification of each big tank gauging, to each big pot of oil water content condition to do the sample, the statistics are summarized to the resposible to operate according to the summarized data measure oil tank inventory, the specific guidance to manufacturing operations.
This type of metrological verification method is not only the daily task multifarious, accurate measurement statistics also vulnerable to external environmental factors and the dangers of employees working experience in the actual operation level.
In order to promote metrological verification management capacity, production station chose good automation machinery radar
level gauge to improve the original oil metrological verification technology, traditional metrological verification and upgrade the system software is: after traditional metrological verification method in metrological verification multifarious daily tasks, metrological verification results are vulnerable to external environmental factors, practical work experience in staff level, deviation in line with the actual, huge systemic risk;
Traditional metrological verification method can not ensure real-time grasp the production statistics, not to manufacture specific guidance to produce detailed and accurate statistical data, lack of specific guidance to establish manufacturing subjective;
Traditional metrological verification method can not ensure the production safety, do not have safety warning role, production liability accident frequently occur.
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A)
Radar level meter and liquid level transmitter of pedal transfeeder at relatively production station library informatization management stations after upgrading, the traditional and the use of pedal transfeeder basically carried out innovation, to storage tanks erected radar level meter, maintain the automation technology, in the work of the site calibration automation technology level higher than the past.
Under practical anatomy.
1 pedal liquid level transmitter for oil storage tanks, basic parameter is the capacity of metrological verification oil tank liquid level meter, called the method of liquid level meter calibration.
The old method of liquid level meter calibration technical key in various steel chain float liquid level gauge, steel chain liquid level transmitter is the traditional liquid level transmitter.
This is made using the basic principle of structural mechanics equilibrium.
It is by the liquid level meter test equipment, high precision displacement actuator, constant force device, display device, and external equipment.
Principle: dip in the measured liquid oil level sensor by force, the buoyancy of water and uniform motion caused by constant force device applied effect, when three force vector material and equal to zero, oil level sensor in the quasi equilibrium motionless.
When the liquid level meter change, the original structure mechanics equilibrium in the oil level sensor is affected by the buoyancy of water under the excitation of move according to the steel chain of more than a new equilibrium.
Liquid level meter test equipment (
Oil level sensor)
Moving in on the liquid level meter for conditions in the steel chain, shift transmission device working in mobile transmission system based on the steel chain pin rotation, which effect on the status of the electronic counter to display the information level gauge.
Defect: the mechanical equipment is the key defect friction damage, the precision of deviation is large.
2 radar level gauge for oil storage tanks, basic parameter is the capacity of metrological verification oil tank liquid level meter, called the method of liquid level meter calibration.
Old-fashioned method of liquid level meter calibration technology production station has carried out comprehensive automation technology upgrading, basic construction into a higher mechanical automation work ability of library informationization management stations, oil is also a great development trend of metrological verification work.
Microwave heating of single pulse technical marketing, to the tank liquid level transmitter quantity method is presented the new position.
Production station has carried out comprehensive automation technology upgrading, basic construction into a higher mechanical automation work ability of library informationization management stations, oil is also a great development trend of metrological verification work.
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