Electric Actuator Basics-History and Status

Release time:

20 Mar,2024

The actuator, also known as the actuator, is a commonly used mechatronics equipment (device) in the field of automatic control. It is the execution equipment in the three major components of the automation instrument (detection equipment, adjustment equipment and execution equipment). It is mainly to automatically operate some equipment and devices, control their switches and adjustments, instead of manual work.

Electric Actuator Basics-History and Status
Electric Actuator Basics-History and Status

The actuator, also known as the actuator, is a commonly used mechatronics equipment (device) in the field of automatic control. It is the execution equipment in the three major components of the automation instrument (detection equipment, adjustment equipment and execution equipment). It is mainly to automatically operate some equipment and devices, control their switches and adjustments, instead of manual work.

According to the type of power can be divided into pneumatic, hydraulic, electric, electro-hydraulic and other categories.

According to the form of motion can be divided into straight stroke, angular stroke, rotary type (multi-turn) and other categories.

Due to the use of electricity as power has incomparable advantages over other types of media, the electric type has developed the fastest in recent years and has a wide range of applications.

According to different standards, electric type can be divided into: combined structure and mechatronics structure; Electrical control type, electronic control type and intelligent control type (with HART, FF protocol); Digital and analog type; Manual contact debugging type and infrared remote control debugging type, etc. It is accompanied by people on the control performance requirements and the development of automatic control technology and rapid development:

The implementing agencies are mainly used in the following three areas:

1. Power plant

① Application in thermal power industry

Blower damper damper primary intake damper damper damper air preheating damper flue gas recirculation bypass damper secondary intake damper damper damper main bellows damper burner regulating rod burner swing driver hydraulic push rod driver blade turbine speed regulating flue gas regulating valve steam regulating valve ball valve and butterfly valve control sliding gate

② Valve actuator applications in other power industries

Ball valve dust removal control water jet turbine speed control control large hydraulic valve gas control valve burner ignition start steam control valve condensate recirculation, deoxygenator, boiler feed water, superheat controller, reheating thermostat controller, and other related valves

2. Process control

It is used for the production process control of chemical, petrochemical, mold, food, medicine, packaging and other industries. According to the established logic instructions or computer programs, the valves, pipes, baffles, chutes, platforms, etc. are accurately positioned, started and stopped, opened and closed, and turned. The system is adjusted by using the real-time parameters such as temperature, pressure, flow, size, radiation, brightness, chromaticity, roughness, density, etc, in order to achieve intermittent, continuous and cyclic process control.

3. Industrial Automation

It is used in a wide range of aviation, aerospace, military industry, machinery, metallurgy, mining, transportation, building materials, etc., to adjust and control the movement points (moving parts) of various automation equipment and systems.

① Application in sulfur ore production

The application of potassium carbonate pipeline valve actuator

The application of water treatment valve actuator

Application of valve actuator in limestone/cement plant

⑤ Application of actuators in grain processing plants

⑥ Application of air door baffle and valve actuator in steel plant

⑦ Application of Damper Baffle and Valve Actuator in Aluminum Plant

⑧ Application of process control baffle

Application in the petroleum industry

Application in natural gas production and transmission industry

Keyword:

Control Equipment

Fluid Control

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