rotary compressor parts

1. Adopt high efficiency and energy-saving rotary screw air end.

2. Centrifugal fan for better cooling effect.

3. Stainless steel pipe.

4. Hydraulic inlet valve system.

5. VSD control are available.

6. Air cooling and water cooling are available.

Operation method of air compressor:

1. Check the joint contact and insulation resistance of the electrical part of the screw air compressor:

The electrical part of the air compressor is divided into the main circuit, control circuit and signal transmission (temperature, pressure sensor) circuit. Due to the vibration generated during operation of the air compressor, some wire joints will become loose after a long time. Loose wire joints may cause the unit to fail to start, and at worst, cause serious disasters such as protection function failure, arc short circuit, electric shock and so on. Therefore, the electrical part should be checked regularly.

When checking, you can swing the wires one by one by hand, feel the tightness of the thread ends, and tighten the loose thread ends;

In addition, it is necessary to use a shaker to test the insulation between the motor, equipment and the ground. The insulation resistance should be controlled above 500 megohms, otherwise it should be dried or repaired. rotary compressor parts

2. Replace the motor grease:

The front and rear ends of the motor are installed, and the service life can be guaranteed under proper lubrication. Therefore, grease should be injected regularly. The type of grease should be selected according to the parameters provided by each manufacturer.

3. Screw air compressor cleaning relief valve (also called intake valve):

(1) Unloading valve composition: Unloading valve is composed of valve body, spool (piston), gas circuit manifold, solenoid valve and proportional valve (accommodating valve).

(2) Load relief valve function: The load relief valve mainly controls the loading (screw air compressor heavy vehicle), unloading (empty vehicle), proportional (capacity adjustment) control function of the air compressor, and can also prevent lubrication when the air compressor is stopped Oil sprayed from the main engine

(3) Disassembly of the relief valve: 1 remove the hose connecting the relief valve and the air filter; 2 remove all other parts and the air pipe connected to the relief valve; 3 remove the solenoid valve coil; 4 remove the relief valve and assemble the host And remove the nut; 5 move the relief valve to the ground covered with clean paper or related clean paving.

(4) Cleaning the relief valve: (screw air compressor cleaning agent should be soapy water, diesel oil, clean gasoline, natural water, etc., the above cleaning agents should be selected according to the degree of dirt, generally recommended to use soapy water or diesel for cleaning) Dismantle the solenoid valve: dismantle the solenoid valve and check whether the O-rings and seals in the solenoid valve need to be replaced (reminder: if you are not familiar with the intake valve, please also write down the position of the removed component to avoid errors when reinstalling), If there is no need to replace, put the disassembled screws, O-rings, seals, electromagnetic rods, cores and other components into a pre-prepared container and soak them in appropriate cleaning agents (Note: Use gasoline and thinner water for cleaning Please do not soak rubber products such as O-rings for too long to avoid corrosion);

Proportional valve: Remove the proportional valve from the valve body, and then unscrew the adjusting nut (it is better to mark the nut before screwing to avoid too large deviation of the proportional value when reinstalling), take out the valve core, O-ring, U Rings, springs, and check whether the O and U-rings need to be replaced (all the sealing rings and springs removed by the screw air compressor must be checked, which will not be repeated in the following description), and the removed The components are soaked in the cleaning agent.

Dismantle the manifold block of the gas circuit: remove the manifold block from the valve body, and there are air holes on the four sides of the manifold block (the hole of the screw air compressor is used to clear the air circuit when the integrated air circuit is blocked). Unscrew the sealing nut and put the integrated block together in the cleaning agent to soak.

Dismantle the valve core of the relief valve: use a circlip pliers to remove the circlip at the connection between the spool and the valve body, and then use a pipe wrench to unscrew the spool, and take out the cylinder, valve disc, O-ring, U-ring, and The spring is soaked in the cleaning agent, and then the air inlet on the valve body is removed, and the entire valve body is soaked. rotary compressor parts

At this time, the disassembly process of the relief valve has been completed.

Cleaning: If the dirt on the intake valve is serious, change a new cleaning agent when cleaning. During the cleaning process, wash the cleaner parts first and then wash the dirty parts. The cleaned parts should be rinsed again with clean water to avoid Corrosion shortens the service life of parts. Parts washed with clean water should be placed in a clean place to dry in order to prevent iron-containing parts from rusting.

When cleaning the valve plate and the place where the valve body and the valve plate are in contact, pay attention to the smoothness of the surface, and clean it, and replace it if necessary, otherwise it will cause the air compressor to start with load (the large screw air compressor unit starts with load. Can not start phenomenon will occur).

Install components: install the components according to the reverse steps of disassembly. It should be pointed out that when installing the components, the position of the sealing ring and the movable components should be coated with an appropriate amount of engine oil, so that the sealing ring can be installed better and the movable parts can be better. flexible.

Note: Since there are many parts in the relief valve, if you are not sure about the position of each part, you can remove each part and then install the part after cleaning, but do not install the part on the valve body first, wait until all parts are cleaned

Assemble to the valve body together.

After the entire cleaning process of the relief valve is completed, put it aside to be loaded into the air compressor. rotary compressor parts

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