The structure of the diaphragm filter press control button itself and whether the contacts are correct

          When the operation of the control button of the diaphragm filter press is invalid, please first check the structure of the filter press control button itself and whether the contacts are normal. Inspection method: Press the corresponding button and observe whether the corresponding node indicator light on the PLC input is on. If it is lit, it means that the button is not malfunctioning. If it is not lit, check the button and related wiring. Diaphragm filter press control

When it is determined that there is no fault on the input side, you can continue to press the input button. If there is an indicator light, you should check whether the output related intermediate relay, contactor and solenoid valve coil are intact; if there is no indicator light, it means that if the PLC does not meet the output conditions, please check whether the related limit switches and proximity switches are intact. Whether the opening and closing of the node is correct, in order to find the cause of the failure, make a correct judgment, and solve the problem in time.

Regarding this issue, I would also like to remind everyone that when choosing a filter press, in addition to the quality and function of the product, the corrosion resistance of electrical components must also be considered. No matter how I use the button to avoid electronic components, what should I do? Premature corrosion will bring more unnecessary maintenance costs and bring trouble to the use of the filter press.

In the membrane filter press, the use of membranes in the membrane filter press is also very important. Currently, polymer films used in the market dominate. The polymer film is made of natural or synthetic polymers and is obtained after compression. It can be divided according to the molecular structure of the polymer. It is a linear polyethylene with a long linear and branched structure, such as polybutadiene, a three-dimensional structure with a high degree of crosslinking, such as a phenolic condensate, which has a medium crosslinked structure.

According to the structure and function of the membrane, it can be divided into five categories: dense membrane, microporous membrane, asymmetric membrane, composite membrane and ion exchange membrane. Dense membranes are uniform and dense membranes through which substances diffuse mainly. For small molecules, microporous membranes have high permeability. As the name implies, an asymmetric membrane has an asymmetric surface. It consists of a surface active layer and a support layer made of the same material. The composite membrane is a dense membrane added on an asymmetric membrane. The separation of the membrane depends on the dense active layer. The ion exchange membrane is a membrane-like ion exchange resin, which is composed of a base membrane and active groups.

          Doyen specializes in providing belt press equipment for the Southeast Asian market. Welcome to visit our workshop and formulate a more scientific  plan based on the actual situation of your company. Welcome to visit joyce@doyenchina.com or visit https://www.doyenchina.com