Vacuum piping paragraph 6 3 of the heat exchange institute s standards for steam jet vacuum systems 4th ed details the pro cedure for calculating pressure drop in vacuum systems.
Water ejector vacuum system pdf.
Water re cycle system for vacuum pumps for the total reduction of effluent.
Application water jet eductors have numerous uses in the plant such.
Two actual case studies conducted by service engineers on cvdu ejector systems show how to troubleshoot ejector problems.
1 is a photo of an installed ejector at a cvdu.
Vacuum systems 113 vacuum systems 115 gdp1.
Ejectors of this type are used throughout industry for pumping and mixing operations.
Liquid jet vacuum ejectors can extract gases and vapours and compress them.
So for example the suction pres sure cannot be below 23 mbar 17 5 mm hg for a jet ejector with water as a.
The first problem was a result of improper replacement of an intercondenser and the second was a result of.
In an ejector a working fluid liquid or gaseous flows through a jet nozzle into a tube that first narrows and then expands in cross sectional area.
In general the diameter of the piping between the process and the ejector system must be at least as large as the suction connection in the first stage ejector.
Ejectors vacuum systems chem process has been designing steam jet thermocompressors since decades and each unit is designed specifically to suit a customer s process and.
As per the suction pressure requirement the first stage ejector.
Water pressurized by a hydraulic pump as a motive fluid is used in the two phase ejector vacuum pump systems šarevski et al 2004 2009b and also in the concentrator thermo compression systems šarevski et al 2005a 2011a for compression of the water vapor from the evaporating to the condensing pressure.
Also referred to as ejectors are devices for the conveyance compression or mixing of gases vapors liquids or solids in.
All these ejectors can be installed at ground level or at any higher elevation and can be installed at water re circulation tank to minimize pressure drop.
Water vapor pressure table vacuum range saturated steam 15 abl5 water vapor temperature table vacuum range saturated steam 16 abl5.
A vacuum ejector or simply ejector is a type of vacuum pump which produces vacuum by means of the venturi effect.
The water jet eductor is a type of ejector which utilizes the kinetic energy of a pressurized liquid to entrain another liquid mix the two and discharge the mixture against a counter pressure.
