Problems that should be paid attention to in the selection of feed pump of filter press in coal washing system

In the coal washing system, the selection of filter press feed pump is a key link, which directly affects the efficiency of the filter press and the stable operation of the whole system. The following are the main issues that should be noted when selecting:

Flow and head matching:

According to the specific requirements of the filter press, choose a pump that is suitable for flow and head. In the filtration process, as the cake thickens, the resistance increases, and the flow rate and head demand of the pump change. Therefore, it is necessary to choose a pump that can adapt to this change in order to make the operation efficiency and production efficiency of the pump.

Corrosion resistance of the material:

Considering that the medium in the coal washing system may be corrosive, pumps made of materials with good corrosion resistance should be selected, such as stainless steel, cast iron, etc., to extend the service life of the pump.

Pump structure and design:

The feed pump usually needs to be designed with a steep drop curve to meet the special requirements of pressure and flow during the working process of the filter press. This design ensures stable pump performance under high pressure and low flow conditions.

Ease of operation and maintenance:

Choose a pump type that is easy to operate and maintain to simplify daily operations and reduce downtime. At the same time, the sealing performance and components of the pump should be considered to reduce maintenance costs.

Reliability:

The pump should have good protective measures, such as overload protection, overheating protection, etc., to ensure that it can be shut down in time under abnormal circumstances to prevent equipment damage and casualties.

Compatibility with the system:

The selection also needs to consider the compatibility of the pump with the entire coal washing system, including pipe connection size, power requirements, etc., to ensure that the pump can be smoothly integrated into the existing system.

In summary, when selecting the filter press feed pump in the coal washing system, the flow rate and head, corrosion resistance of the material, the structure and design of the pump, the convenience of operation and maintenance, reliability and compatibility with the system should be considered comprehensively. Through scientific and reasonable selection, the stable operation of the filter press feed pump can be ensured, thus improving the overall efficiency of the coal washing system.