Our chamber filter presses stand for high-performance and reliable machines. They are the ideal solution for all applications where high availability, dry filter cakes and dependable operation are essential – from wastewater treatment and juice/food filtration to electroplating applications and many more. Get in touch with us!
The result: clear filtrate and a solid, well-dewatered filter cake.
Our range of chamber filter presses
| LC 320 | LC 470 | EC 470 | EC 630 | EC 800 | EC 1000 | EC 1200 | ||||
|---|---|---|---|---|---|---|---|
| Plate format | 320 x 320mm | 470 x 470mm | 470 x 470mm | 630 x 630mm | 800 x 800mm | 1000 x 1000mm | 1200 x 1200mm |
| Filter type | Chamber filter press | ||||||
| Filling pressure up to | 7 (15) bar | 7 bar | 15 bar | 15 bar | 15 bar | 15 bar | 15 bar |
| Number of chambers | 1 - 8 pcs. | 6 - 21 pcs. | 9 - 49 pcs. | 9 - 75 pcs. | 29 - 79 pcs. | 29 - 79 pcs. | 29 - 79 pcs. |
| Filter area | 0.09 - 0.73m² | 1.8 - 6.9m² | 3 - 16.2m² | 5.1 - 42.8m² | 28.1 - 76.6m² | 45.5 - 124m² | 65.5 - 178.5m² |
| Max. cake thickness | 25mm | ||||||
| Filter volume | 1.2 - 9.6l | 24 - 80l | 34 - 186l | 65 - 540l | 342 - 932l | 548 - 1,493l | 754 - 2,054l |
| Operation | Manually | Manually/Partially automatic | Manually/Semi-automatic | ||||
Why our chamber filter press stands out from other manufacturers
When you choose a chamber filter press from AQUACHEM, more than just robust engineering counts – what really matters is the combination of machine design, ease of maintenance, process understanding, operational reliability, and a dependable service partner.
As a standard, our chamber filter presses are always equipped with our proven sealed filter plates, ensuring the highest level of safety for operating personnel and the production environment. Only upon justified customer requests can filter plates with overhanging cloths and open discharge be used.
Your benefits at a glance
Design of a chamber filter press
A chamber filter press is a proven and highly efficient system for solid-liquid separation. It impresses with easy handling, durable components, and straightforward operation.
A chamber filter press consists of several filter plates arranged in sequence and fitted with filter cloths. Between every two filter plates, a chamber is formed – hence the name “chamber filter press”. During filtration, these chambers are hydraulically pressed together to create sealed filtration chambers.
The medium to be separated – the suspension – is pumped into these chambers. The filter cloths retain the solids, while the liquid – the filtrate – passes through the cloth and is collected via drainage surfaces and outlet ports into the filtrate collection channels.
The filtration process -Step by step
Filling the chambers
The suspension (a mixture of solids and liquid) is pumped under pressure into the closed chambers. The filter cloths allow the liquid to pass through but retain the solids.
Formation of the filter cake
As filtration progresses, more and more solids accumulate on the filter cloth. This step is called cake-forming filtration. Inside the chambers, a uniform, dense filter cake forms. Unlike a membrane filter press, in a chamber filter press it is necessary for the chamber to be completely filled with solids in order to achieve low residual moisture and good cake discharge.
Filter cake washing
Some processes require filter cake washing, for example to remove unwanted substances such as chlorides from the filter cake. After the chambers are filled with filter cake, the cake is washed using the pressure washing plate principle with a suitable washing solution. During washing, water is pumped from one side of the chamber to the other through the filter cake, resulting in displacement and/or dilution washing.
Cake dewatering
After complete cake formation and any optional washing, the filter cake is usually further mechanically dewatered. During dewatering, compressed air is forced through the filter cake using the pressure washing plate principle, expelling free liquid from the cake pores.
Filter cake discharge/emptying the press
Once the cake has been mechanically dewatered, the filter press is opened. Depending on the type, all plates may be opened simultaneously, or the plates are moved individually manually or via a shifting mechanism. The filter cake either falls off the plates automatically or, depending on its adhesive properties, must be lifted or removed manually or with a discharge aid.
We would be pleased to explain in a personal discussion the special systems we offer for semi-automatic cake discharge.
Filter cloth cleaning/cloth regeneration
Over time, filter cloths become clogged and must be cleaned periodically. Options for cloth regeneration include:
Due to its effectiveness and gentle treatment of the filter cloths, we prefer chemical cloth regeneration for most applications.
In contrast to a membrane filter press, a chamber filter press does not have elastic membranes to compress the filter cake or to displace free liquid from the filter chambers. Therefore, the chambers in a chamber filter press must always be completely filled with filter cake to achieve satisfactory process results.
For simple processes and applications, a chamber filter press can be a more economical alternative to a membrane filter press.
Do you want to optimise your filtration or commission a new chamber filter press? Contact us now – our experts will provide personalised advice and help you find the perfect solution for your application.