It is believed that everyone has seen the application of automatic drains in the periphery of our lives, and automatic drains are used to automatically exclude condensate at the bottom of pipelines, oil-water separators, gas tanks, and various filter bottoms. Can be installed in places where it is inconvenient for artificial drainage, such as high places, low places, and narrow places. It can prevent the artificial drainage from being forgotten and cause the compressed air to be recontaminated by the condensed water. Let's learn together about the working principle and installation steps of the automatic drain . Hope to help friends who have this need!
Automatic drainer introduction
The automatic drainer is used to automatically exclude the condensation at the bottom of the pipeline, the water separator, the gas tank, and the bottom of various filters. Can be installed in places where it is inconvenient for artificial drainage, such as high places, low places, and narrow places. It can prevent the artificial drainage from being forgotten and cause the compressed air to be recontaminated by the condensed water.
Automatic drainer works
Inside the automatic drain, there is an air bottle (equivalent to a balloon). In the waterless state, the air bottle blocks the outlet.
After the water accumulates in the drain, when the water level reaches a certain level, the buoyancy force is greater than the air pressure, the air bottle floats, the water outlet opens, the water drains under the pressure, and the buoyancy decreases, and the air bottle drops to block the water outlet.
Electronic and physical automatic drain
Automatic drainers are electronic and physical. The principle of electronic drainers is: Solenoid valves control the opening and closing of valves. The time and period of automatic drain opening can be adjusted by setting the above switches.
The physical drain is to open the drain by the buoyancy of the float in the drain. The liquid level in the drain rises, the buoy rises, and the valve automatically opens
Electronic automatic drainer
The electronic automatic drain valve is matched with an analog circuit solid-state electronic timer and a solenoid valve to realize the automatic discharge of condensed water in the compressed air system at the timing. Widely used in the screening process, separators, dryers, gas tanks, dripping feet and other compressed air system components, the discharge time and interval can be adjusted according to different needs of the discharge time and interval time.
Automatic drainer installation procedure
The first step: Before you start the installation, what you should do is to clean the clean compressed air system. This step is very helpful for the installation behind us.
Step 2: When installing, you should pay attention to the specific direction of the arrow above the valve body of the machine, and the outlet must not be connected with a hose that is not resistant to air impact. It will not allow you to use it for a period of time when you are finished installing. Afterwards, you will find that your water is not drained. At this moment, the hose should be detached.
The third step: Note that the voltage of your access to the automatic drainer should be the same as the rated voltage on the automatic drainer. It is probably OK, but it should not be too low or above, and at most it is less than or equal to it. And if you use direct current, then the positive pole you plug in must be connected to connector "1" on the automatic drain.
Step 4: If you have already connected a good drainage valve when you leave the factory, then we should understand that the brown wire on the automatic drainage device is the live line L, and the blue line is the neutral line N, yellow and green. The bicolor is the ground GND that we need to complete after the installation.
Step 5: In order to prevent the long screws on the terminal box from burning out, we must tighten the long screws. Here to point the automatic drainage installation tips, the power supply must be disconnected before installation, there is a guarantee that the compressed air is completely emptied that is when the automatic drain is in the state of zero pressure.
Editor's summary: In fact, its installation method is not particularly difficult. It is mainly about installing some common sense before installing it. After knowing these little common sense, I believe that the installation of the automatic drain is no longer that difficult, but In view of the safety and service life problems, I personally feel that it is better to find a professional master or an automatic drain installation company to give you a full installation process. This not only solves the safety problem, but also has the important effect of installing after-sales service. We don’t need to worry about whether the automatic drainage device will suddenly be drained or where the problem will be broken. If there is a problem, call directly to the personnel they installed. After clarifying the problem, we will solve the problem. For busy people, you can save a lot of things!
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