Filter Press is equipped with Pull Back type Double Acting Hydraulic Cylinder dully honed from inside & dully coupled with moving end head, which Brings Moving Plate Forward ‐Reverse hydraulically. A hydraulic system uses oil to power an actuating cylinder piston. This component is moved to achieve a specific task. A double acting cylinder uses two lines and gives you the full power of your hydraulic system in both directions.

• Less Effort than Manual Filter Press
• Equal Distribution of Pressure in Every Chambers
• Less man power
• Easy to operate & Handling
• Easy maintenance

• Made from low carbon ST-52 grade tube duly machined & honed finished
• Rod : EN-8 with duly machined ground and hard chrome plating
• Piston: EN-9
• Ram Protection Cover : T.P (Taiwan polyester) Nylon Bellow
• Oil Seal Kit : PU Seals + Nitrite Chevron Rod Seal + PU Wiper Seal + ‘O’ Ring Nitrite with Teflon backup
• Working Pressure : 210 Kg/cm2/3000 PSI

Plate shifter mechanism is used to transport the filter plates. It gradually Shifts plate one by one in Auto Mode & through Hand Held Remote Control in Manual modeand allows the emptying of the filter press. This process can be paused anytime and the operator can remove possible impurities from the cloth.Thismechanism pulls open the individual plate, the cake formed between the plates generally falls down by gravity. Generally used for faster filter cake discharge. Speed of the plate shifter can be adjusted in filter press.

• Designed mainly for filter presses with large plates or a great number of plates.
• Significant facilitation of the filter press attendance – two workers are needed for manual shifting of large plates, only one worker is needed to check the process of emptying of the filter press during automatic extraction.
• Process automation and shortened emptying period Adjustable speed of plates shifting

Drip Tray is installed under filter plates, and make up of liquid collecting tray.The drip tray can be opened and closed by the help of hydraulic cylinders, which are controlled from the panel manually or automatically through PLC. It ensures that the drip trays are in open position for cake discharge and in closed position during filtration. So that it collects the filtrate and keep it away from containers or the conveyor system.

While filtering, the PLC sends output a signal to drip tray, under the work of driven system, the both trays will close.The liquid drips, caused by capillary action, and peripheral filtrate will fall on it and is collected in chute on both sides. After filtering process is finished and before cake discharging, the PLC will send logic signal to open it.

When an automatic cloth washing system is being utilized – as is common with many of today’s filter presses – it is generally helpful for the automated drip trays/bomb doors to capture the water coming from the cloth washing to prevent it from going to the filter cake.

MOC: PP, SS316, SS304, MS with Rubber Lining, PP FRP, other materials as requested.

Electric hydraulics are controlled by the NMP Electric Hydraulic Control System (EHCS), which monitors the status of the system and provides an emergency stop push button, which disconnects switch and touch screen control of the filter press hydraulics. Touch screen with very good resolution can provide all diagnosed information of the Filter Press and also allows adjusting the Filter Press process control.

The control part adopts system design concept, and adds auto running and check function. According to the actual working conditions, the control part has three working states for operators to use easily, that is, manual working state when installation and debugging; auto working state when auto running, and maintenance working state when the equipment is checked. To prevent error, every movable part has action interlocking function to protect when running automatically.

The touch screen use Siemens TFT display, it can input the process parameters at site and it’s easy to adjust process control process, with manual and automatic switching device. After auto check and diagnosis of the system, the system will always check whether the executive components is in normal state, if there is any exception, it will alarm on the display screen, to ensure the safe and reliable running of the filter press.

The functions can include: auto pressing and releasing, auto high pressure unloading, auto pressure holding, auto feeding, auto squeezing and discharging, auto blowing, auto cake discharge, auto plate shifting and taking, pause and the full course of close and open of drip tray. It can be controlled both manually and automatically, also can add infrared light curtain protection program according to requirements of clients.

FILTER PRESS CONTROLS

Our standard controls meet all the requirements that are necessary for the operation of your filter press. From the contactor controls for the „smallest“ to the PLC controls to process control systems for complex plants. We use components from market leaders and well-known manufacturers. Your supply of spare parts is thus secured worldwide. Our standard controller is the SIMATIC® S7-1200® in conjunction with a 7” touch panel. Also, in this version, we offer you many possibilities to connect the filter press to your systems/plants.

To meet the requirements for the presentation and the operation of your processes, we also increase the performance of the operating devices and the controls. We are not bound to individual manufacturers. PLCs and process control systems from Siemens, Allen-Bradley, Schneider, ABB and several more have been successfully used by NMP.