Table of Contents
What is a filter feed pump?
The filter press feed pump is the true “WORK HORSE” of the entire filter press system. Filter Press Pump Animation. Filter press pump selection and pump maintenance is a key to “on-line time”. The pump section process includes the analysis of: Slurry type and characteristics.
What does a feed pump do?
A feed pump is a specific type of pump primarily used to pump feedwater into industrial boilers for steam generation. The steam can be used to rotate a turbine or other machine rotors. Feed pumps raise the pressure so feedwater can enter the boiler.
What is backwash pump?
Filter Backwash pumps are used to flush filters which become clogged by sand, seaweed, and other debris. Due to fluid constantly being drawn through the mesh, it can lead to some debris being caught, which may be larger than the gauze. Pumps are used to force fluid through the gauze clearing any debris.
Why feed pump should run continuously?
One of the feed pumps must always be running when the power packs are not in operation. If the feed pump stops, the “protection pressure Low” alarms will be initiated.
How does a fuel feed pump work?
During the upward stroke of the plunger, suction is created in plunger space and fuel is sucked in, through a suction valve. During the downward stroke, caused by a cam arrangement, the fuel below the plunger is compressed, which forces the suction valve to close and the pressure valve (Outlet valve) to open.
What is the purpose of filter backwashing?
When the filter’s pores become clogged, they need to be cleaned. One of the best ways to clean a drinking water system’s filter is to backwash it, meaning reversing the flow and increasing the velocity at which water passes back through the filter. This, in effect, blasts the clogged particles off of the filter.
Why backwashing of filter is needed?
Backwashing is a process that is used in water and wastewater treatment to pump water backward through filter media, which includes anything placed in a filter that changes the quality of water flowing through it.
What is a plate filter?
Filtration plates are used in their simplest form to remove particulate matter from liquid. Either the particulate matter or the filtrate is needed for further study. Porvair Sciences has a range of filter plates to suit most filtration applications.
What is the minimum flow for a pump?
The term minimum flow generally meant the lowest continuous flow at which the pump was permitted to operate. These values did not take into account duration, vibration level or other factors. Today, we have minimum flow values for continuous operation, for intermittent operation and for permissible temperature rise.
What are the two 2 types of pumps required for boiler operation feeding pump?
Two types of boiler feed pumps are the vertical multistage inline pumps and the multistage horizontal ring section pumps. Each type of pump is designed to accommodate today’s various boilers. Vertical inline pumps are used for boilers that have pressure requirements with less than 1,000 feet of head.