Analysis of core technology of vehicle mounted filter press

Here is an analysis of some core technologies of vehicle - mounted filter presses:

1. Filtration Technology

Filter Plates and Filter Cloths

Filter plates are usually made of high - strength and corrosion - resistant materials such as reinforced polypropylene, which are manufactured by high - pressure one - time molding technology, possessing high strength and toughness. Filter cloths are made of synthetic fiber materials, which have good regeneration performance, long service life, smooth contact surface with materials, and low adhesion, facilitating the shedding of filter cakes.

Variable Chamber Diaphragm Pressing Technology

This is one of the key technologies of vehicle - mounted integral diaphragm filter presses. The diaphragm filter plates adopt an integral welding structure of a reinforced polypropylene liner and a polymer elastomer diaphragm, with excellent chemical resistance and fatigue resistance, and can withstand high temperatures and pressures. After the feeding is completed, water or gas is filled into the diaphragm plates to perform secondary pressing and dewatering on the filter cakes formed in the filter chambers, further reducing the moisture content of the filter cakes, improving the filtration efficiency, and shortening the filtration cycle.

2. Drive and Control Technology

Hydraulic Drive System

Most vehicle - mounted filter presses use hydraulic drive to achieve the automatic opening and closing of filter plates. The hydraulic system consists of an oil pump, hydraulic control components, hydraulic actuators, an oil tank, high - pressure hoses, etc., featuring high - performance, high - precision, and integration. It can provide stable pressure to ensure that the filter plates are tightly pressed, enabling efficient solid - liquid separation.

Electrical Control System

A PLC programmable controller is used to automatically control the main machine and peripheral equipment, realizing fully automatic operation. The control system monitors and controls the operating status of the filter press through electrical components such as proximity switches and pressure sensors, such as the opening and closing of filter plates, the start and stop of feeding, the pressure and time of pressing, etc., ensuring the stable operation and high - efficiency work of the equipment.

3. Structural Design Technology

Modular Design

It is convenient for quick disassembly and movement, enabling the vehicle - mounted filter press to adapt to different work sites and operation requirements. Each module can be independently maintained and replaced, improving the maintenance convenience and service life of the equipment.

Compact Design

For example, the vehicle - mounted integral diaphragm filter press integrates the filter press main machine, feeding system, pressing system, liquid discharge system, filter cake conveying device, hydraulic pump station, and control cabinet. The operation platform is foldable, minimizing the overall external dimensions of the machine. This not only facilitates mobile operations but also reduces manufacturing costs and floor space.

Plate - Pulling System

The plate - pulling system is driven by a hydraulic motor or a variable - frequency motor. The filter plates are pulled open one by one or in groups of 1 - 3 through the plate - pulling manipulator. The entire process of plate - pulling and unloading can be automatically completed under the control of the PLC program. The running speed of the plate - pulling manipulator can be adjusted at any time, and the entire plate - pulling process is fast, stable, and reliable.

4. Material Conveyance and Treatment Technology

Feeding System

Usually equipped with a feeding pump, the material to be filtered is sent into the filtration unit (filter chamber) of the equipment. The feeding pump needs to provide appropriate pressure and flow according to the properties of the material and the working requirements of the filter press to ensure that the material can enter the filter chamber evenly and quickly, achieving efficient solid - liquid separation.

Filter Cake Conveying Device

It is equivalent to a small belt conveyor, fixed on the frame and located below the filter plates. The filtered filter cakes fall onto the conveyor through the guide device and are then transported to the transportation equipment, realizing the centralized conveyance and treatment of filter cakes, avoiding the scattering and secondary pollution of filter cakes.

5. Adaptability Technology

Multiple Power Modes

Vehicle - mounted filter presses are available in various types such as electric - hydraulic, pneumatic, manual, and hybrid. Electric - hydraulic types are easy to operate and highly efficient; pneumatic types use compressed air as power and are suitable for complex on - site environments with insufficient power supply; hybrid types combine electric - hydraulic and pneumatic systems, having multiple working modes and a wider range of applications.

Customizability

According to the needs of different users and working conditions, vehicle - mounted filter presses can be customized in terms of filter area, processing capacity, equipment size, etc., to meet the needs of various industrial solid - liquid separation.