A digester feed pump forces water to a boiler. It works by transferring cool water to the boiler to be heated.
Boiler feed pump's suction pressure be aprox. 15Kg/cm2 and discharge pressure be 180Kg/cm2. So the balancing line balance the pressure and protect the boiler feed pump. my quastion is that what is the working principal of balancing leak off
NAICS 333996 applies to Fluid Power Pump and Motor Manufacturing.
A positive displacement pump causes a fluid to move by trapping a fixed amount of it then forcing (displacing) that trapped volume into the discharge pipe. Centrifugal pumps impart pressure to the fluid, to cause a pressure differential and cause flow, but even if the outlet is sealed, the pump can continue to run because it hasn't trapped the fluid. When no flow is occurring, a centrifugal pump acts like a propeller spinning in the water. If flow is stopped on a line that a positive displacement pump is supplying flow to, the pump is forced to stop since the trapped fluid prevents it from moving any more fluid.
if we use concentric reducer at suction of pipe ,due to high turbulence flow of fluid ,some vapour pressure generate which generate bad effects on impeller of pump ,which decrease pump efficiency , so to avoid this problem the eccentric reducer's use in pump suction
Yes, a hydraulic pump and hand operated controls.
See the link below for information on the Chinese dome digester.
Digester
The feed pump promote the flow of raw milk from balance tank to plate heat exchanger.
it is 500N
Pump efficiency can not be taken as given.
are the cell digester
Methane digester
Yep. In most cases I find the pump at fault.
Boiler feed pump's suction pressure be aprox. 15Kg/cm2 and discharge pressure be 180Kg/cm2. So the balancing line balance the pressure and protect the boiler feed pump. my quastion is that what is the working principal of balancing leak off
A pump is a mechanical means of moving air , or fluid.
•When methane is in the digester, it can be burned to heat your water or generate electricity. It is like lighting a match inside a balloon. You don't get the smells or the odors, meaning less fossil fuels are burned.
TDBFP = Turbine Driven Boiler Feed Pump