Undercurrent type and plate and frame filter press in what is the difference?

Drainage plate and frame filter press can be divided into two forms the flow andundercurrent. The filtrate through outlet frame on both sides of the direct discharge machine for open type, open benefit is that can be observed in each piece of filter plateliquid condition, problems directly found by discharge filtrate transparency; if the filtrate is called undercurrent through the discharge hole of roof frame and undercurrent in the form of post.

Filter press according to whether need to wash the filter cake is divided into washable andnon washable type two structures, has on filter cake washing structure called washable,otherwise is not washable.

The flow can not be washed on the filter plate type, only a feeding channel, liquid inputfrom the channel, into each filter chamber, filtrate discharged from each filter plate valve, is suitable for the filter cake does not need washing filter.

The flow can be washed, a feeding and two fluid channel filter plate. When filtering,material liquid feeding channel input, into each filter chamber, the filtrate is discharged from the filter plate of the valve; when washing lotion, lotion, passage for steam orcompressed air input, lotion by hole filter plate (lotion entrance) through the filter cake fromhole filter plate (lotion outlet valve) to discharge (a hole filter plate valve closed). Suitable for filter cake need washing or drying filter.

Undercurrent not washable, feed and filtrate two channel filter plate, material liquid feedingchannel input, into each filter chamber, the filtrate collected filtrate channel from the thrust plate filtrate outlet. Suitable for toxic or high temperature material fluid vapor, cake does not need washing or drying filter.

Undercurrent can be washed on the filter plate type, feed, filtrate, lotion, lotion into fourchannel. When filtering, material liquid feeding channel input, into each filter chamber, the filtrate is filtrate and washings channel from the thrust plate filtrate outlet; washing lotion,lotion, passage for steam or compressed air input, lotion by hole filter plate (lotionentrance) through the filter cake to non porous filter plate (lotion a collection of export)after lotion channel from the thrust plate lotion outlet. Suitable for toxic or high temperatureliquid material a lot of steam, cake need washing or drying filter.