博文

Precautions for using plate and frame filter press

图片
  What are the ways to wash the filter plate of the filter press? 1) Open flow non-washable: This form has only one intermediate feed channel. The material enters each filter chamber from the feed hole on the thrust plate through the feed channel, and the filtrate is discharged from the outlet hole of each  filter plate  through the filter medium. It is suitable for general filtration and has the advantages of fast filtration speed and intuitive filtration effect. 2) Undercurrent non-washable: In addition to the feed channel, this type of filter press also has an outlet channel. The filtrate of each filter plate is discharged together through this channel. This form is suitable for materials that are polluted, toxic, volatile, and do not require washing. 3) Open flow washable: In addition to the feed channel, this form also has a washing liquid inlet channel. Its filtration part is the same as the open flow non-washable. After the filtration is completed, the washing oper...

How to Correctly Choose a Lithium Battery Filter Press

图片
  In the lithium battery industry,   filter presses   are mainly used in the filtering, washing and wastewater treatment processes of lithium battery lithium mines, lithium extraction from salt lakes, positive electrode materials, graphite negative electrodes, silicon-based negative electrodes, PVDF resin materials, and lithium battery recycling. How to choose  lithium battery filter  correctly? In the preparation process of lithium battery materials, its production process is mostly based on hydrometallurgy, and the requirements for filter presses are more stringent than those in the mineral processing, environmental protection and other industries. This is particularly reflected in: high requirements for acid and high temperature resistance of the equipment, high automation requirements, low filter cake moisture content, water and energy saving, high filter cake effective washing rate, and conductivity must meet the standards. Traditional conventional filtrati...

Important equipment in photovoltaic wastewater system--diaphragm filter press

图片
  At the sewage treatment project site, we often see ordinary chamber filter presses. However, with the increase in water production and strict environmental protection requirements, ordinary filter presses can no longer meet the daily treatment needs of some special projects. Especially in photovoltaic wastewater systems,  Membrane filter presses  are needed. 1. Preparation before operation Before starting the unit, the following items should be carefully checked: 1.1 The machine can be put into use only after installation, adjustment and confirmation. 1.2 Check the condition of the filter cloth. The filter cloth must not be folded or damaged. The filter plates on the filter press must be aligned. 1.3 Before starting the filter press, remove the debris on the filter press track to ensure that the filter cloth has been cleaned. 1.4 Check whether the hydraulic transmission part of the filter press is working normally and whether the hydraulic oil is sufficient (hydraulic o...

How to reduce the cost of using filter press?

图片
  Cost saving and environmental protection are constant topics in all walks of life, so how to reduce the cost of using a  filter press ? First of all, you need to know what consumes the cost during the use of the filter press. For most customers who use filter presses, in addition to paying attention to the working efficiency of the filter press, most of them are also concerned about its use cost. If the   filter press equipment   is used properly or maintained well, the cost saved from a long-term perspective is considerable, and a little bit adds up to a lot. Filter cloth As the most frequently replaced component in the filter press, the filter cloth needs to be replaced every three months on average. After each operation of the equipment is completed, the filter cloth should be cleaned daily to prevent mud residue from sticking to the filter cloth, which will become dry mud blocks after a long time and affect its use. According to the nature of the sewage to be t...

Professional filter press manufacturer

图片
  In the modern industrial field,   filter press   is an important solid-liquid separation equipment, and its performance and quality directly affect production efficiency, cost control and environmental protection. As a filter press manufacturer, we are fully aware of our responsibilities and missions.   hzfilter   is committed to providing customers with high-performance, high-quality and high-efficiency filter press products to meet the needs of different industries and processes. Overview of the filter press industry As an important  equipment for solid-liquid separation , filter presses are widely used in chemical, pharmaceutical, environmental protection, food and other fields. With the advancement of science and technology and the improvement of industrialization level, filter press technology is also constantly updated, gradually becoming automated, intelligent and environmentally friendly. As a  filter press manufacturer , we need to keep up w...

How to deal with mud and clay under the plate and frame filter press

图片
  When the   plate and frame filter press   is unloading the mud cake, the sludge may adhere to the filter cloth, which will prolong its working time and increase the cost of use. In serious cases, the filter press cannot be dehydrated. Reasons for sludge adhesion to filter cloth of plate and frame filter press 1.Excessive dosage will lead to water viscosity. After polyacrylamide is dissolved, it forms longer and more molecular branches in the sludge, wraps the sludge particles and forms flocculation. If the dosage is too large, the water quality and sludge viscosity will increase, and the filter cloth will be easily blocked. 2. The PAM ionization used for desludging is too high, resulting in increased sludge viscosity. When passing through the filter cloth, the water seepage holes of the filter cloth are blocked, resulting in incomplete desludging or sticking to the filter cloth. 3. Improper selection of polyacrylamide leads to mud and water separation during sludge dehy...

The difference between plate and frame oil filter and filter press

图片
  Plate and frame oil filter press Plate and frame oil filter press  is suitable for the purification of turbine oil, hydraulic oil, lubricating oil, insulating oil and other oil products. It can remove mechanical impurities and trace moisture in the oil and improve the various properties of the oil. This machine is particularly suitable for filtering and purifying oil products containing powder-type impurities. The equipment consists of a filter bed, filter plate, filter frame, filter paper, oil pump motor, etc. The filter plate and the frame are sandwiched with paper to filter the lubricating oil. Impurities remain on the filter paper, and the filtered solution flows out from the oil outlet. It mainly depends on the accuracy of the filter paper to achieve the purpose of filtering impurities. This machine is a small oil filter equipment. Filter press Filter press  is mainly used for solid-liquid separation, filtering materials by pressure, and is widely used in the chemi...