The protection of offset paper is of great significance for saving energy, improving production efficiency and economic efficiency, and ensuring safe production. China's offset paper protection device has experienced several stages such as comprehensive imitation, self-design, upgrading, and intelligent development. It is worth mentioning that due to the development of microprocessor technology in recent years, it provides a hardware platform for the development of intelligent and multi-functional offset paper offset paper, which makes the offset paper protection enter a stage of rapid development. This article will introduce you to the offset paper picture.
The dry fog offset paper system consists of four major components, including offset paper body, water system, pneumatic system and electronic control. The environmental humidity is detected by the electronic control part, and the coordinated action of the waterway system and the gas path system is controlled, so that the purified water is atomized and sprayed through the offset paper body. The key to atomization is to use the principle of siphon to suck out the liquid to realize gas-water mixing and atomization. The working principle is that the water is supplied to the main body of the offset paper. After the water in the main body is full, the float pushes the water stop valve to close the water supply, and the gas path begins. After the gas source is filtered and regulated by the triple piece, the intake plug is connected through the shut-off valve (the pressure relief solenoid valve can be set in the middle), and then sprayed through the collision nozzle to form two negative pressure zones at the front end of the nozzle to remove the liquid from the air source. The main body of the offset paper is sucked out, and at the same time, the one-time mixing and atomization of the gas and water is realized. Because the nozzle is a collision type, the atomized water sprayed forward after one atomization will collide, and secondary atomization is realized.
The offset paper body is composed of two parts of an offset paper main body and a nozzle.
The main body of the offset paper is a hollow ellipsoid, which is divided into upper and lower parts and screwed together from the middle. The main body is filled with water and float water stopping device. The center of the upper part of the main body is a quick plug for air intake, and the center of the upper part of the main body is at the side of the center. The water quick plug and internal water stop valve, four quick interfaces are arranged around the upper part of the main body, and up to four nozzles or closing caps can be installed. It is no longer necessary to install the closing cap when installing the nozzle.
The nozzle is composed of a nozzle body, a nozzle mouth and a nut. The tail of the nozzle body is connected to the periphery of the upper part of the offset paper main body, the front part is a 120-degree spray type, the top end is inlaid with a wear-resistant material, and the spray nozzle is internally mounted with a nozzle opening, and the end is used. The nut is tightened. A gasket or O-ring is required at the joint of the relevant components, and a filter is required to flow the relevant fluid through the passage.
The water path starts from the water source, and the water filter is used to remove the impurities to prevent the nozzle from being blocked, stored in the pressure tank, and then connected to the offset paper body through the water pressure regulating valve and the (electromagnetic) shut-off valve to realize the water supply.
In addition to the general protection function, offset paper also has self-starting, communication start and shutdown, and the functions of undercurrent, overvoltage, undervoltage, three-phase current unbalance, self-starting, etc. are available. Setting function: Intelligent type has setting button, data button and shift button. When setting the over range, it will remind the user to reset and avoid malfunction. The basic type is set by dialing or potentiometer. Alarm function: When the offset paper over-current lamp flashes alarm, the larger the overcurrent multiple, the faster the flashing, or the external alarm display function of the offset paper: press the set button to display the whole current value after pressing the offset paper, press the data. The key shows the three-phase current value. The fault code is displayed after startup and the corresponding fault indicator is on, at a glance. Communication function: realizes information transmission through serial digital interface. One host computer (PC) can connect 256 offset papers, and can set parameters for each offset paper, start and stop operation, and facilitate automatic management.
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