The reason why the filter belt of the sludge filter press is not clean
The filter cloth of the sludge filter press is continuously and actively cleaned under high pressure during the operation. When the cleaning is not clean, the following points can be considered: the filter belt is too old to be used, the water pressure is insufficient, the nozzle flow is insufficient, etc. When the filter belt When cleaning is not clean, the water permeability of the filter belt will decrease, resulting in a decrease in the sludge dewatering output and a high moisture content in the mud cake.
Sludge filter press mud cake drying capacity: refers to the quality of mud cake under the theoretical condition of anhydrous. The reasons why the filter belt of sludge filter press is not clean are as follows:
(1) The sludge residue is serious. If the PAM floc remains, it will directly block the pores of the filter cloth and seriously affect the permeability and air permeability of the filter belt. The formation of drug residues generally has the following reasons. The problem of timely improvement can be solved of.
①Because the polymer mixing time is too short, the agent has not completely dissolved. Generally, the polymer can be completely dissolved after mixing for 30 minutes or more. Pesticide waste.
②When preparing the polymer, the concentration of the equipment is too high or the chemical input is too high. In order to save costs, some sludge dewatering chambers use manual dosing equipment. The amount of powder added is too much, and the concentration of the pharmaceutical equipment is too high. The metering pump is filled with excess liquid. The formation reaction of liquid and sludge is incomplete.
③ When the pipeline static mixer is selected, the reaction time of the potion is too short or the potion and the sludge are fully mixed and contacted.
Due to insufficient water pressure, the type of water pump needs to be changed. Replace a high-lift pump. It is recommended to replace the high-flow nozzle to wash the filter belt.
- Filtration principle and operation of plate and frame filter press
- Different matters that should be paid attention to in the use of the filter plate of the diaphragm filter press
- What is the influence of the working period of the diaphragm filter press?
- The reason for the leakage of the box filter press
- Filter bag replacement and pressure condition of super essential oil filter
- The particularity of filter cloth used in plate and frame filter press
- What is the pressing principle of the diaphragm filter press?
- Introduction to filter maintenance
- What is the filtration speed, operation method and development direction of the filter?
- What is the impact of pump selection and insufficient pressure in filter presses?
- How to choose a plate and frame filter press for small and medium-sized enterprises
- Why not use a box filter press at night?
- How does a soy sauce press work?
- What are the steps of belt filter press dehydration?
- Operation specification and use method of sludge filter press
- Analyze the heating problem of the diaphragm filter press
- Facing the high temperature in summer, what are the good secrets of "heat escape" for filter press equipment
- What should I do if the end of the thrust plate of the high pressure diaphragm filter press is not easy to be compressed?
- What's the matter with insufficient oil pressure in the filter press?
- What should we pay attention to when cleaning the filter?