The hydraulic filter press is a class of all the filter press equipment in the market according to the pressure source of the filter plate, and of course belongs to the filter press. The pressure source of the hydraulic filter press is supplied by the hydraulic pump of the equipment, so this is the source of its name. The liquid filter press is now the most widely used in all filter presses and is widely used.
First, the principle of hydraulic filter press
The pressure system of the liquid filter press is composed of a hydraulic station and a hydraulic chamber, a controller and the like. First, the hydraulic station of the hydraulic filter press extracts the hydraulic oil in the station and presses it into the oil pipe connected to the hydraulic chamber. The high-pressure hydraulic oil enters the forward chamber of the hydraulic chamber, so that the oil in the forward chamber increases continuously, and the piston is pushed, and the piston is again It is connected with the screw of the filter press filter plate, which pushes the advancement of the piston, which is to push the filter plate, which provides pressure to the filter chamber. When the pressure reaches the design upper limit, the control pressure gauge will automatically control the gas station to provide jobs.
During the filtration process, when the pressure in the filter chamber is less than the pressure required for the operation, the control pressure gauge will automatically open the oil station, continue to supply oil to the hydraulic chamber, and continue to increase the pressure of the filter press.
When the filter press needs to be retracted, the oil station injects oil into the retreating chamber, and the piston is operated in the opposite direction, thereby pulling the filter plate back, and simultaneously pressurizing the oil in the forward chamber to the oil station for recycling.
Second, the advantages of hydraulic filter press
The biggest advantage of the hydraulic filter press is that it can automatically hold pressure, and the pressure is much larger than the manual and mechanical pressure, which ensures that the filter press can run better and is used more in all walks of life.
In short, the hydraulic filter press has the following advantages:
The pressure of the hydraulic filter press is as high as 1 MPa for filtration and 25 MPa for pressing. The filtration efficiency of the filter press is increased, and the moisture of the filter cake is lowered.
The control pressure gauge automatically controls the opening and closing of the hydraulic oil, so that the hydraulic filter press realizes the automatic pressure-maintaining operation, ensuring the good start-up filtering effect of the filter press, and the performance of the filter press is more stable.
The hydraulic filter press can work normally in the environment between -5 °C and 120 °C, making the filter press more suitable for various complicated and harsh environments and increasing the applicability of the filter press.
In terms of energy conservation, the hydraulic filter press is more energy efficient and reduces the use of the filter press.
Third, the scope of use of liquid filter press
Hydraulic filter presses are widely used in various industries, and are widely used in industries such as pharmaceutical manufacturing, chemical industry, biological production, metallurgy, smelting, domestic industrial wastewater, and river governance. Especially in the future, the use of sewage will account for more than 40% of the filter press.
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