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Petrochemical industry - TDC micro flowmeter

Petrochemical industry - TDC micro flowmeter
Update Time:2019-02-21
Petrochemical industry - TDC micro flowmeter
Petrochemical industry - TDC micro flowmeter. Chi Drilling Machinery Co., Ltd. introduces TDC micro flowmeter product features: ● High measurement accuracy: ±0.10~±0.35 (range ratio 40:1) ●Precision micro flow measurement: minimum flow rate 0.1kg/h ●Using FFT digital signal processing technology, Impact of no drift and temperature drift ● Full digital closed loop control technology with dynamic phase compensation, good stability ● Patented suspension plate vibration isolation technology, strong anti-interference ability ● Easy installation, no moving parts ● Product is suitable for measuring almost all solid particles The fluid is mainly used in petrochemical, food, environmental protection, vacuum, coating, solar energy, semiconductor, coal metallurgy, gas distribution, environmental protection and other analytical instruments. It is widely used in the insulation of pipelines and tanks, especially in the field of pipeline electrical heat insulation. TDC micro flowmeters, in the case of cold weather, there is a high risk of freezing pipelines in the plant. At this time, measures are taken to install electric heat tracing products for equipment that does not have an electric heat tracing insulation system. Install the electric heat tracing system before the cold weather. TDC micro flowmeter, electric heat tracing insulation device is simple to install, uniform in heat generation and high in use efficiency. Moreover, the electric heat tracing system has an accurate temperature control, and a dedicated temperature controller can be used to adjust the temperature. Some factories have the functions of remote control, remote control and automatic management for debugging and maintenance. TDC micro flowmeter, the use of electric heating insulation system eliminates the installation of boilers, associated pipes, accessories, control components, water quality testing and other equipment, saving construction consumables, and daily maintenance is simple. The electric heat tracing insulation system is a technology development direction that replaces steam and hot water heating, and is an energy-saving project promoted by the state.
In the low temperature environment in winter, the industrial chemical pipeline medium appears condensation and freezing. In order to solve the problem of temperature maintenance of the medium in the pipeline, some methods are needed to achieve the purpose of heat insulation. TDC micro flowmeters, traditionally, use steam or hot water to heat, but these methods are prone to drawbacks, such as pollution of the environment, the phenomenon of running steam, steam leakage, low thermal efficiency. The new electric heat tracing insulation method effectively avoids these problems, and belongs to an environmentally friendly, scientific and high-efficiency heat tracing insulation method. TDC micro flowmeter, electric heat tracing insulation principle: electric heating cable is used to dissipate the rated power of heat, direct heat exchange to supplement the heat loss of the heat pipe, tank and related equipment to meet the normal working requirements of heating, heat preservation or antifreeze . For pipeline insulation with high temperature requirements, 50 ° C ~ 105 ° C, use parallel constant power electric heating insulation products. TDC micro flowmeter, the power bus is two parallel insulated copper wires, the heating wire is wound in the middle of the insulating layer, and the heating wire is connected with the bus bar at a certain distance (ie "heating section length") to form a continuous parallel resistance. After the bus is energized, the parallel resistors heat up, thus forming a continuous heating band. Electric heating cable has the following advantages:
1. Maintain a high temperature, maintain a high temperature of 105 °C, and have a high temperature resistance.
2, double-core parallel constant power electric heating cable can be arbitrarily cut, electric heating with easy installation.
3. The power of the electric heating cable is constant, and the alloy wire is used as the heating device, and there is no aging phenomenon.
4, with heat transfer and heat dissipation, can improve the overall tensile strength of the electric heating cable, and can also be used as a safety ground wire.
oil lathe machine
In the environment of different pipeline insulation, there is a difference in the choice of electric heat tracing products. TDC micro flowmeters, according to the length of the pipeline, the size of the tank is different, the environment used is different, and the electric heating cable insulation products of different specifications are selected. Here we take the long-distance industrial chemical pipeline as an example to introduce suitable electric heating cable insulation products. TDC micro flowmeter, long-distance industrial chemical pipeline insulation requires a long length of electric heating cable, ordinary self-limiting temperature heating cable (using a length of 100 meters), can not meet the heat insulation needs of electric heating. Here we recommend a series constant power electric heating cable, which is a kind of electric heat tracing product with high heating temperature, high temperature resistance and long length. The main advantages of the TDC micro flowmeter are as follows:
1, the series constant power electric heating cable temperature is maintained high, up to 150 ° C;
2, series constant power electric heating cable has a wide range of use, suitable for long-distance transmission of industrial pipelines and large-scale tanks and equipment for anti-freeze insulation, and good insulation effect.
3, constant power electric heating cable as the name suggests, the power is constant, the heat is constant, the alloy wire is used as the heating element, there is no aging phenomenon, and the service life is long.
4, the use of electrical energy, environmental protection, no pollution and waste caused by steam heating, in line with the concept of low-carbon environmental protection, broad development prospects.

Due to the low outdoor temperature in winter, the cooling tower cooling system needs to be supplemented with certain anti-freezing measures to ensure the normal operation of the cooling water system during the winter. It is common to use the method of electric heating and anti-freezing insulation. At this time, the energy saving of the cooling tower cooling needs to theoretically reduce the amount of electricity consumed by the electric heating of the pipeline. TDC micro flowmeter, when using chiller for cooling in winter, due to the low temperature requirement for cooling water, the cooling water system also needs electric heating antifreeze measures. The cooling water running in the chiller has a low temperature of 10 °C. When the cooling tower is cooled for free, the operating temperature of the cooling water can be lower than 10 °C. TDC micro flowmeter, which means that the project needs to maintain the temperature of the water medium in the cooling tower at around 10 °C is suitable. According to the temperature requirement of antifreeze insulation, it is recommended to use low temperature self-limiting temperature electric heating cable, which is an energy-saving electric heat tracing insulation product with positive temperature effect of PTC resistance. TDC micro flowmeter, the low temperature self-limiting temperature electric heating cable itself has a personal temperature of 65 ° C, the electric heating cable is wrapped around the surface of the cooling tower, and the heat dissipated by the electric heating is used to maintain the temperature required by the water medium. With precise temperature control, an explosion-proof temperature controller can be used to adjust the temperature.

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