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How many can you think of the use of the flowmeter?

The history of the flowmeter before opening:

The flow measurement can be traced back to ancient water conservancy projects and urban water supply systems. In ancient Rome, Kaiser had chosen the orifice to measure the drinking water volume of residents.

In the 1000 BC, the ancient Egypt used weir to measure the flow of the Nile. China's famous water conservancy project in Dujiangyan uses the water level observed at the mouth of the bottle mouth and so on.

In twentieth Century, Tori laid down the theoretical foundation of differential pressure flowmeter, which is a milestone in flow measurement.

Since then, many types of surface beginnings of flow measurements in the 18 and nineteenth Century, such as weir, tracer, skin storage, Venturi tube, volume, turbine and target flowmeter, etc.

In the 21st century, due to the rapid development of process industry, energy measurement, and urban public utilities, the rapid opening of the surface has been promoted. The leaping of microelectronic skills and computer skills has greatly promoted the renewal of the surface, and the new flowmeter has sprung up like bamboo shoots after the rain. Up to now, hundreds of flowmeters are said to have been put into shopping malls, and many difficult problems in the field are expected to be dealt with.

In China, the flow measurement skills in modern times were relatively late, and the surface traffic needed in the early stage was imported from abroad.

Flow measurement is the science of material mutation. The rules of quality mutagenesis are the fundamental rules of the connection of things. Therefore, the measurement policy is not limited to the pipeline liquid in the traditional sense. All the locals who need to master the mutation have the question of the flow measurement.  Flow and pressure and temperature are listed as three parameters. For a certain fluid, it is necessary to know the energy of these three parameters only if we know these parameters. It is necessary to check these three parameters in the measurement of energy change. Energy conversion is the basis of all production processes and scientific experiments. Therefore, flow is the most widely used as well as pressure and temperature surfaces.

The application field of flowmeter:

First, the process of industrial production

Flow surface is one of the large surface of the process automation surface and equipment. It is widely used in various fields of national economy, such as metallurgy, electricity, coal, chemical, petroleum, transportation, construction, textile, food, medicine, agriculture, environmental protection and ordinary days of citizens. It is to turn agricultural production and save power. The most important tool for improving the quality of products, advancing economic efficiency and processing level is the primary position in the national economy. In the process automation surface and equipment, the flow surface has two major functions: the total amount table of the surface of the process automation control system and the quantity of the measured materials.

Two, dynamic measurement

The power is divided into one power (coal, crude oil, coal bed gas, petroleum gas and natural gas), and the two power (electric power, coke, artificial gas, finished oil, liquefied petroleum gas, steam) and energy carrying (compressed air, oxygen, nitrogen, hydrogen and water). Power metering is the most important way to deal with the power in a scientific way. The flow surface is the primary component of the dynamic measurement surface. The water, the artificial gas, the natural gas, the steam and the oil are used to use the infinite number of flowmeters. They are the tools that can not be used for the power processing and the economic accounting.

Three, environmental protection project

The discharge of flue gas, waste liquid and sewage seriously pollute the atmosphere and water resources and seriously threaten the living environment of mankind. The state regards sustainable expansion as a national policy, and environmental protection will be the biggest issue in twenty-first Century. The pollution of air and water should be controlled, and it is necessary to strengthen treatment. The basis of treatment is quantitative control of pollution quantity.

China is a country with coal as the main driving force, and millions of chimneys throughout the country continue to discharge smoke into the atmosphere. The control of flue gas emission is the most important project to cure pollution. Each chimney is necessary for the analysis of the surface of the flue gas and the flowmeter. The volume of flow in the flue gas is very difficult. Its difficulty is the large and irregular shape of the chimney, the change of the gas composition, the large flow rate, the dirty, the dust, the corrosion, the high temperature, and no straight pipe.

Four, transportation

There are five ways: railway, air, water, and pipeline transportation. Although pipeline transportation has existed for a long time, its application is not widespread. With the emphasis on environmental protection, the characteristics of pipeline transportation have attracted our attention. It is necessary to equip the flowmeter with the flowmeter, which is the eyes of control, distribution and scheduling, and is also a necessary tool for safety supervision and economic accounting.

Five, biological skills

In twenty-first Century, we will usher in the century of life science, and the industry with the characteristics of biological skills will be rapidly opened up. Many substances in biological skills need to be monitored, such as blood, urine and so on. The difficulty of the surface development is great, and the variety is complex.

Six, scientific experiment

The flowmeters needed in scientific experiments are not only numerous, but also extremely complex. According to the more than 100 kinds of statistical flowmeters, a large number of them are needed for scientific research. They are not produced in batch and are sold in the market. Many scientific research institutions and large companies set up special groups to develop special flowmeters.

Seven, marine climate, river and lake

In these areas, the flow path is usually opened and the flow rate is generally checked. The flowmeter and the flowmeter are based on the physical principles and the fundamentals of fluid mechanics, but the surface principle and structure are quite different from the conditions of use.

The history of the flowmeter before opening:

The flow measurement can be traced back to ancient water conservancy projects and urban water supply systems. In ancient Rome, Kaiser had chosen the orifice to measure the drinking water volume of residents.

In the 1000 BC, the ancient Egypt used weir to measure the flow of the Nile. The famous Dujiangyan water in China


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