Choosing the right industrial filter press is crucial for optimizing production, reducing costs, and maintaining operational efficiency. As the world&#;s largest supplier, Jingjin offers a range of advanced filtration solutions tailored to diverse industry needs. To ensure you make the best decision, here are the 10 most important questions you should ask before purchasing.
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Jingjin provides a wide variety of filter presses, each designed for specific applications:
Understanding the characteristics of your materials, such as particle size, slurry viscosity, and solid concentration, will help identify the best option.
Capacity depends on the volume of slurry processed per cycle and the size of the filter plates. Jingjin offers customizable options for different production scales, including high-capacity models like the Intelligent Type III Quick Opening Filter Press. These machines efficiently handle large volumes, making them suitable for demanding operations in mining, chemical processing, and wastewater treatment.
The material of the filter plates determines durability and compatibility with specific chemical or physical conditions. Jingjin uses premium materials such as:
Selecting the right plate material ensures long-lasting performance and reduced maintenance costs.
Efficiency is critical for optimizing production cycles and achieving the desired filter cake dryness. Jingjin&#;s products, such as the High Efficiency Vibrating Filter Press, ensure superior solid-liquid separation. This model combines vibration technology with intelligent controls to enhance filtration rates, minimize residual moisture, and save energy.
Automation reduces labor costs and ensures consistent operation. Jingjin specializes in advanced automated solutions, including:
Whether you need fully automated or semi-automated options, Jingjin&#;s filter presses adapt to meet your operational requirements.
Reliable after-sales service is essential to keep your operations running smoothly. Jingjin stands out with its comprehensive global support:
Accessories such as filter cloths, feed pumps, and discharge systems enhance the performance of a filter press. Jingjin provides:
All accessories are designed to integrate seamlessly with Jingjin&#;s filter presses, ensuring optimal performance.
Ease of maintenance impacts downtime and operating costs. Jingjin&#;s equipment is designed for minimal maintenance with features such as:
Sustainability is a key concern for many industries today. Jingjin offers environmentally friendly solutions like the Energy Saving and Efficient Water Washing Vibrating Filter Press, which reduces water and energy consumption without compromising filtration performance. This makes Jingjin a preferred choice for businesses focused on reducing their environmental footprint.
Jingjin is not just a filter press supplier but a global leader in liquid-solid separation solutions. Key differentiators include:
The filter cake will begin to become wet, slimy and not as dry. This is your indicator that the cloths need to be cleaned. (see number 5 for cleaning info). If you have already cleaned your cloths and your process has not changed but you are still getting slimy filter cake, it may be time to replace your cloths. Cloth life varies from installation to installation and depends on such variables as frequency of cycles, proper cleaning and maintenance and the type of sludge that is generated. Generally speaking for most installations cloths can last up to 6 months at the most.
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Expansion depends on a couple of factors. First, if your press is already expandable, meaning you&#;re your press has a distance piece for expansion to a larger capacity, all you need to do is unbolt the distance piece and add additional plates in the 1-3 button sequence taking care that you add plates in even numbers. However, if you have a Met-Chem press or your press has notched and bolted sidebars, then it can also be expanded by removing the sidebars and replacing them with longer sidebars and installing additional plates. Please note that when adding plates, you must be sure to add them in the 1-3 button sequence in order to provide proper drainage.
There are several possible causes. You might not have the proper cloths for you application or if you have been using the same cloths for an extended amount of time, you may have holes in the filter cloths. The gasketed cloth may have slipped out of the grooves. Or, perhaps, the cloth on the head plate may not be properly secured.
Precoat and bodyfeed are two related applications. Both of these special applications use diatomaceous earth (commonly known as D.E.), cellulose, perlite or fly ash, as a filtering aid when the solids in a slurry are extremely fine and free-filtering. The filter aid helps to trap the fine solids that otherwise might flow through the filter cloths. The processes of precoat and bodyfeed increase the clarity of the filtrate, provide for higher flow rates, more consistent runs, shorter cycles, dryer cakes, better cake release, and also help to protect and increase the life of the filter cloths.
The precoat process is performed before the slurry is pumped into the press. A precoat system consists of a tank, mixer and pump. The filter aid is mixed with water in the precoat tank. It is then pumped into the press where it coats the filter cloths. The filter aid rather than the filter cloths becomes your initial filter media.
During a body feed the filter aid mixes with the slurry in the holding tank prior to being fed into the filter press. The filter aid becomes part of the slurry thereby providing a better filter cake.
If you have not made any recent changes to the plate stack (which is the number one reason this might occur), there are several possibilities.
You could have a build-up of solids on the sealing surfaces which will then need to be cleaned.
Check to see if the hydraulic pressure is set to the recommended specifications. If not, make the appropriate adjustment.
Another possibility is that there could be a wrinkle or hole in the filter cloth or the gaskets may be loose.
If you continue to have problems, contact your Met-Chem representative.
It&#;s a good idea to change your gaskets whenever you change your filter cloths. Also, if you are getting excessive leakage out of the press while maintaining correct hydraulic closure pressure, this may be a sign that it is time to change your gaskets.
Gasket life will depend on many factors, such as length of filtration cycle, temperature, and excessive closing force. Gasket replacement should take place if the gasket appears to be delaminating or shredding. Also, if excessive temperatures exist and cycles are very long, the standard gasketing material may go into additional cure, causing it to harden slightly. If you continue to have a problem, contact your Met-Chem representative for an alternative.
If the press is leaking (around the locknut on the 470mm size or from the bottom leg drain holes on 630mm and larger size presses) during the start-up of the feed process, the problem is usually leakage past the center feed quad ring seal. The quad ring may not seal for several reasons.
First check for the cause:
Did the locknut on the outside of the press head loosen during shipment? If so, tighten the locknut using a spanner wrench, pliers, or pipe wrench.
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