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Fast Open Device

The purpose of installing a fast open device on a filter press is to reduce the non-productive time (i.e., discharge time) during the entire filtration cycle, thereby significantly improving equipment productivity. It is generally used in large-scale filtration conditions,such as mining, chemical industry and sewage treatment, ect.
In traditional filter presses, filter plates are typically opened and pulled one by one. A complete discharge process can take a long time, especially in large filter presses with a large number of filter plates. The longer this process takes, the longer the equipment is idle, and productivity decreases.
 
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How the Fast Open Device Works

1.Filter Plate Grouping Design

Filter plates are divided into groups of a fixed number (3 or 5). Each group is mechanically linked by connectors (such as chains or pull rods) to form a synchronized unit. A certain gap is left between groups to ensure they do not interfere with each other during opening.

2. Drive Device Drives the Active Group

The fast open device is powered by a hydraulic cylinder, electric motor, or hydraulic motor, which drives the "active component" (such as a main pull rod or drive chain). The active component is connected to the first group of filter plates. When the active component is activated, it first pulls the first group of filter plates.

3.Linkage Mechanism Transmits Tension

When the first group of filter plates is opened to the set position, the fork or stop at its end triggers the connector of the second group of filter plates, transferring the tension to the second group. Similarly, the second group drives the third group ("1 pulls 3") or, in sequence, the fifth group ("1 pulls 5"), achieving the synchronized opening of multiple groups of filter plates.

4. Limit and Reset Control

The distance between each set of filter plates is controlled by limit switches or mechanical stops, ensuring consistent separation for easy cake unloading. After cake unloading, the device reverses its motion, re-compacting the filter plates and preparing for the next filtration cycle.


Fast Open Device


Main Benefits

1.Greatly Shortened Discharge Time

This is the most immediate and significant benefit. The fast open system automatically separates a group(usually 3 to 5 plates) of filter plates in a very short time, allowing the filter cake to drop simultaneously. Compared to the traditional method of pulling the plates one by one, this can reduce discharge time from several minutes or even more than ten minutes to less than one minute.

2.Improved Productivity

By shortening discharge time, the equipment can enter the next filtration cycle more quickly. This means the filter press can process more material in the same amount of time, significantly increasing production capacity. This is crucial for industries requiring continuous production or handling large quantities of material.

3.Reduced Manual Operation and Labor Intensity

The fast open device is highly automated, requiring virtually no human intervention. This not only reduces physical labor for operators but also mitigates safety risks associated with improper operation.

4.Increased Automation

The fast open device is a key component in achieving automated filter press operation. It can work in conjunction with other automated features such as plate shaking device, filter cloth washing system, and a drip tray to create an efficient, unmanned filtration production line.


In summary, the fast open device is a crucial upgrade for modern filter presses, particularly suitable for companies that demand high production efficiency, a high degree of automation, and reduced labor costs.


Fast Open Device1

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Henan Quanhong Filtration Equipment Co., Ltd. was established in 2017. It mainly produces various filter presses, filter plates and filter clothes.

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 +8615617259418
 +86-15617259418
 info@qhfilterpress.com
 East Industry Park,Industrial
Concentration Area, Yuzhou,Henan,
China
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