Plate Filter Press

Description

Plate filter press, also known as plate and frame filter press. The plate filter press is an intermittent filter press device used for filtration of various media, with good filter cake effect and low moisture content in the filter cake.

Our company mainly engages in 200, 320, 450, 630, 800, 1000, 1250, 1500, 1600, φ800, φ1000 plate and frame type and box-type filter presses, with a filter area of 0.5㎡-800㎡.

The plate and frame materials are cast iron, reinforced polypropylene, glass fiber polypropylene (temperature resistance 120℃) and stainless steel.

The compaction forms include manual compaction, mechanical compaction, jack compaction, hydraulic compaction, automatic pressure-holding compaction, and computer program-controlled automatic control.

The filtering forms include open flow, undercurrent, open flow washable and two-way cross washing, with various categories and complete models.

Application

Plate filter press is a kind of intermittent operation pressure filter equipment, suitable for solid-liquid separation of various suspensions, with good separation effect, simple structure, convenient operation, safety and reliability, and is widely used in petroleum, chemical industry, ceramics, dyes , pharmaceutical, sugar, food, metallurgy, textile, environmental protection and coal industries.

Features

The flat filter press produced by our company has the following characteristics:

1, The building block structure is adopted, and the structure of each part is reasonable.

2, The connection is simple and different combinations are used to suit the requirements of different users.

3, The whole machine has a high degree of automation, large production capacity, and can operate under high pressure.

4, The liquid content of the filter cake is low, the unit output is high, and the floor area is small.

Working Principle

The plate and the frame are arranged alternately. The two sides of the filter plate are covered with filter cloth, and the plate and the frame are pressed by the pressing device, that is, the filter press chamber is formed between the plate and the frame. There is a small hole in the middle of the upper end of the plate and the frame. After pressing, it becomes a channel. The sludge pressurized to 0.2~0.4MPa enters the filter press chamber through the channel. The surface of the filter plate is engraved with grooves. There are holes for the filtrate to be discharged. Under the pressure, the filtrate is discharged through the filter cloth, along the grooves and holes, and the sludge is dehydrated.

Plate and frame filter presses can withstand higher sludge specific resistance than vacuum filters, which can reduce the consumption of conditioners and allow the use of cheaper reagents (eg FeSO 4·7H 2 O). When the specific resistance of the sludge is 5 × 10 11 to 8 × 10 12 m/kg, it can be directly filtered without pretreatment. The mud cake output and mud cake moisture content of the plate and frame filter press should be determined based on test data or similar operating experience. The moisture content of the mudcake can typically be 75% to 80%.

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