What is a depth filter press?

A depth filter press is a type of filtration device that employs a porous medium to capture and remove particles from liquids or gases. The filter medium consists of multiple layers with varying porosity levels, enabling the removal of particles of different sizes and shapes. As the substance passes through the filter medium, particles are trapped within, allowing the purified liquid or gas to exit the filter press. Depth filter presses are widely used in industries such as water treatment, pharmaceuticals, and food and beverage manufacturing.

Depth filter presses excel at removing particles of various sizes and shapes due to their multi-layered filter medium with different porosity levels, resulting in a more thorough filtration process and higher quality purified output. They are generally easier to operate and maintain compared to other filter press types, as they do not require frequent replacement of filter plates or membranes, saving time and costs. Additionally, depth filter presses are typically more cost-effective, making them an attractive option for many industries.

Despite their advantages, depth filter presses can become clogged quickly, reducing filtration efficiency. They are less effective at removing dissolved impurities and have limited capacity for high-throughput applications.

Why choose Depth filter press

1.Efficient solid-liquid separation: The depth filter press increases the depth of the filter medium, improves the interception capacity of fine particles, and thus achieves more efficient solid-liquid separation.
2.Suitable for different materials: It can handle a variety of different types of materials, especially those containing fine particles. The depth filter press can provide better filtering effect.
3.Reduce the moisture content of the filter cake: Compared with the traditional chamber filter press, the depth filter press can significantly reduce the moisture content of the filter cake, increase the calorific value of the filter cake, and make the coal slime product present a looser state.
4.Improve economic benefits: The use of the depth filter press can increase the economic added value of the by-product coal slime, increase the economic benefits of the coal preparation plant, and avoid the waste of coal resources.
5.Environmental benefits: By reducing the pollution caused by coal slime to the environment during transportation and storage, the depth filter press helps to achieve a more environmentally friendly production method.

Applications of Depth Filter Presses

1.Water Treatment: Used to remove impurities such as suspended solids, bacteria, and viruses in both municipal and industrial water treatment processes.
2.Food and Beverage Industry: Employed to filter liquids like beer, wine, and juice, enhancing taste and appearance.
3.Pharmaceutical Industry: Utilized to filter drugs and other pharmaceutical products, removing impurities from various process streams.
4.Chemical Industry: Applied in removing impurities from chemical process streams in both batch and continuous processes.
5.Oil and Gas Industry: Used to purify crude oil and natural gas, reducing wear on processing equipment and ensuring product quality.

Jingjin’s Production Technology

With over 20 years of dedication to the filter press industry, Jingjin is a leading manufacturer and primary drafter of national standards for filter presses and plates. The company holds 136 patents, including 132 in China and 4 internationally. Jingjin has maintained the largest production capacity and sales volume worldwide for twelve consecutive years, serving 123 countries and regions. By 2016, Jingjin had completed 9,800 orders and established long-term relationships with 1,500 steady customers.

Founded in 1988, Jingjin Equipment Inc. is a comprehensive environmental protection service provider, offering filter equipment production, filtration technology solutions, and environmental project management. The company operates a 900,000 square meter facility with 4,000 employees, including 130 senior engineers. The Jingjin brand is protected by the Madrid International Trademark Registration and is recognized as a top filter press manufacturer in China.

Components of a Depth Filter Press

1.Filter Plates: The primary components that hold the filter media in place, available in various sizes and materials such as polypropylene, stainless steel, and cast iron.
2.Filter Media: The porous material that captures and removes particles, consisting of multiple layers with varying porosity.
3.Frame: Supports the filter plates and provides structural integrity for the filtration process.
4.Hydraulic System: Applies pressure to the filter plates, forcing the substance through the filter media and controlling the opening and closing of the press.
5.Feed Pump: Delivers the substance to be filtered into the press at the required pressure and flow rate.
6.Filtrate Discharge System: Collects and removes the purified substance, typically through a discharge port or collection tray.
7.Cake Discharge System: Removes the solid material trapped in the filter media, either manually or automatically.