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Precautions for tubular heaters when using thyristor control under different conditions of 380V three-phase electricity and 380V two-phase electricity
1. Voltage and current matching （1）Three-phase electricity (380V) Rated voltage selection: The withstand voltage of the thyristor should be at least 1.5 times the working voltage (recommended to be above 600V) to cope with peak voltage and transient overvoltage. Curre...Read more -
Key points in designing high temperature pipeline heaters
1. Pipe material and pressure resistance 1. Material selection: When the operating temperature is above 500℃: select high temperature resistant alloys (such as 310S stainless steel, Inconel alloy) to prevent high temperature oxidation and creep. 2. Pressure resistance d...Read more -
Precautions for using industrial electric heating air heaters （I）
1. Precautions during the installation phase 1. Environmental requirements • Ventilation and heat dissipation: The installation location must ensure air circulation. Flammable materials (such as paint and cloth) must not be stacked within 1 meter around it. Keep away fr...Read more -
Precautions for the application of flange heating tubes in various scenarios
As an efficient and multifunctional heating device, flange heating tubes are widely used in various fields such as chemical, food, pharmaceutical, and energy. In different application scenarios, special attention should be paid to installation, operation, and maintenanc...Read more -
Characteristics and application scenarios of finned heating tubes
Finned heating tubes are widely used in industrial applications. They are mainly used to improve heat exchange efficiency and have the following characteristics and application scenarios: 1. Enhanced heat transfer: Finne...Read more -
How to choose a suitable industrial water heater?
1. Heating medium Water: ordinary industrial circulating water, no special requirements. Corrosive liquids (such as acid, alkali, salt water): stainless steel (316L) or titanium heating tubes are required. High viscosity liquids (such as oil, thermal oil): high power or...Read more -
Advantages and disadvantages of single pump and dual pump in thermal oil furnace system and selection suggestions
In thermal oil furnace system, the choice of pump directly affects the reliability, stability and operating cost of the system. Single pump and dual pump (usually refers to "one for use and one for standby" or parallel design) have their own advantages and disadvantages...Read more -
Explosion-proof molten salt heating tube
The molten salt electric heating tube is the core component of molten salt electric heating, responsible for the conversion of electrical energy to thermal energy. Its design must take into account high temperature tolerance, corrosion resistance, thermal efficiency and...Read more -
Application of Electric Heating Air Heater in Grain Drying
Application advantages 1) Efficient and energy-saving Electric heating air heaters convert electrical energy into thermal energy, and when combined with heat pump systems, can achieve efficient thermal energy recycling. For example, the heat pump performance index (COP...Read more -
Working principle and characteristics of high-temperature air heater
Working principle Basic principle: By converting electrical energy into heat energy, heat is generated through high-temperature resistance wires evenly distributed inside a seamless stainless steel tube. When current passes through, the heat diffuses to the surface of th...Read more -
Conversion between electric heating and steam heating in thermal oil furnaces
1、 Basic Conversion Relationship 1. Corresponding relationship between power and steam volume -Steam boiler: 1 ton/hour (T/h) of steam corresponds to a thermal power of approximately 720 kW or 0.7 MW. -Thermal oil furnace: The conversion between electric heating power (...Read more -
How to design flange electric heating pipes to meet customers’ higher requirements under high pressure conditions?
To meet the high requirements of customers for water pressure and air pressure in the design of flange electric heating tubes, comprehensive optimization is needed from multiple dimensions such as material selection, structural design, manufacturing process, and performa...Read more -
Reasons for short circuit of air duct heater
Short circuit of air duct heater is a common fault, which may be caused by various reasons, including component aging and damage, improper installation and use, external environmental influences, etc. The following is a specific introduction: 1.Component related...Read more -
Composition and characteristics of finned heating tubes
Fin heating tube is a common electric heating device. The following is an introduction to its composition, characteristics, and applications: Product composition Heating element: usually composed of a resistance wire wound on an insulating material, it is the co...Read more -
How to select heat transfer oil?
1、 Core steps for selection 1. Determine the heating method -Liquid phase heating: Suitable for closed systems with temperatures ≤ 300 ℃, attention should be paid to the effect of viscosity on fluidity. -Gas phase heating: suitable for closed systems at 280-385 ℃, with ...Read more
