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CONDENSERS (CASE STUDY)
 
A condenser is a device to maintain vacuum conditions on the exhaust of a steam prime mover by transfer of heat to circulating water or air at the lowest ambient temperature.
OR
It is a heat-transfer device used for condensing steam to water by removal of the latent heat of steam and its subsequent absorption in a heat-receiving fluid, usually water, but on occasion air or a process fluid. Steam condensers may be classified as contact or surface condensers.
In the contact condenser, the condensing takes place in a chamber in which the steam and cooling water mix. The direct contact surface is provided by sprays, baffles, or void-effecting fill.
In the surface condenser, the condensing takes place separated from the cooling water or other heat-receiving fluid (or heat sink). A metal wall, or walls, provides the means for separation and forms the condensing surface.
Both contact and surface condensers are used for process systems and for power generation serving engines and turbines. Modern practice has confined the use of contact condensers almost entirely to such process systems as those involving vacuum pans, evaporators, or dryers, and to condensing and dehumidification processes inherent in vacuum-producing equipment such as steam jet ejectors and vacuum pumps. The steam surface condenser is used chiefly in power generation but is also used in process systems, especially in those in which condensate recovery is important. Air-cooled surface condensers are used in process systems and in power generation when the availability of cooling water is limited.
A hot well is a chamber for collecting condensate, as in a steam condenser serving an engine or turbine.
We also manufacture steam condensers for sugar mills, boiler plants or according to the requirements of our customers.
 
CASE 1:-
STEAM CONDENSER FOR 1 MW TURBINE GIVEN TO SUMATI SUGAR MILL LTD. (UTTAR PRADESH)
MAKE:- Virat Engineers
TUBES:- AD Brass BS 2871 Part 3, 18 x 16 x 1740 mm Long 1197 Pcs.
SHELL:- IS 2002 16mm (Each & every plate is physically and chemically tested along with ultrasonically tested.)
STIFFNERS:- Bracket Type Stiffners 12.7 mm Thk
HOT WELL:- 01 No. Suitable for Above
TUBE PLATE & FLANGE THICKNESS:- 30 mm (Each & every plate is physically and chemically tested
along with ultrasonically tested.)
COOLING SURFACE AREA:-
117.778 m2
TEST PRESSURE:- 1 Kgs for 15 Min
TIME TAKEN:- 4 Months in Fabrication