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SWAS (Steam And Water Analysis System)

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In any power plant running on steam, the purity of boiler feed water and steam is absolutely crucial; especially to steam turbine, steam boiler, super heater, condenser and other steam equipment. To keep the power plant up and running, with minimum erosion and corrosion, we have fully integrated Steam and Water Analysis Systems (SWAS) that provide exact, precise measurements on all these critical parameters.

In a typical power plant, water and steam are in constant contact with metal surfaces and corrosion is ever-present. The working fluid 'water' threatens the integrity of the plant equipment- condensers, heaters, pumps, piping, boilers and turbines. The major goal of the plant chemical control is to prevent solids buildup and corrosion in the plant. Your best defense is a good offense and smart instruments and sensors from Technisys Engineering allow you to take the offense in preventative and predictive maintenance, thus minimizing down time.

Fortunately, sound water treatment and chemical control along with good operating practices can do much to reduce the effects of corrosion on plant reliability. In any power plant running on steam, the purity of boiler feed water and steam is absolutely crucial; especially to steam turbine, steam boiler, super heater, condenser and other steam equipment. To prevent damage of steam turbine, steam boiler and other apparatus due to scaling and corrosion, on-line steam and water analysis of critical parameters such as pH, Conductivity, Dissolved Oxygen, Silica, Sodium and Phosphate etc is a must. Steam can be as hot as 560ºc. Pressures can be as high as 250 bars. To keep the power plant up and running with minimum erosion and corrosion of steam turbine, steam boiler and condenser, we have developed fully integrated Steam and Water Analysis Systems (SWAS) that provide exact, precise measurements on all these critical parameters.

A good SWAS necessitates efficient sample cooler for water sampling, steam sampling or process sampling problems. We also have a broad experience in compact heat exchangers and boiler blow down heat recovery systems.

You need a partner that can deliver the best in knowledge and systems, and do it quickly, thoroughly and cost effectively.

At Technisys, we also evaluate your applications and provide customized solutions.

Pressure Reducer (Rod-in-Tube Type)

Steam Equipment's High pressure reducer is designed for high pressure boiler sampling lines above 35 Kg/Cm2 with inlet pressure up to 375 Kg/Cm2 and outlet pressure totally adjustable These type of pressure reducers are recommended by ASME 19.11-1997 steam and water sampling, conditioning & analysis in power cycle.

Back Pressure Regulator

Steam Equipment's back pressure regulator is designed for gas or liquid service to control the inlet pressure. It is used to maintain the constant pressure in sampling system or act in a relief valve capacity. These BPRV are used in Steam & Water Analysis Systems, Instrumentation systems, etc.

Thermal Shut Off Valves

Valve is installed in the downstream of sampling systems/heat exchanger. The valve responds only to temperature. Under the normal operation the valve is fully open. If the sample temperature increases within the operating temperature (120°F), the thermal actuator modulates the valve to close the inlet orifice. The valve automatically opens as the thermal actuator cools. Heart of this valve is a solid to liquid phase change thermal actuator. The actuator contains Thermoloid® compound which changes phase from solid to a liquid as the temperature increases. As phase change occur the volumes of Thermoloid® material changes significantly with the liquid volume greater than the solid volume. Since Thermoloid® is essentially incompressible under normal operating loads & it is sealed into rigid actuator housing, only piston can move and extend as the volume increases. This motion is used to open or close the valve.

Sample Cooler

Sample cooler is a compact unit, specially designed in accordance with ASME SEC-VIII, Div-1 & ASME PTC-19.11 to handle high pressure & High temperature applications. These coolers are designed for counter flow cooling to achieve very close temperature approach of the sample to coolant. They are made of double helix coil which meets ASTM D1192 requirements, fitted with a baffle for maximum efficiency. The shell is mounted through flanged connections and it can be removed without disturbing sample lines.

Chiller

The most important function of a chiller is the protection it provides to the valuable process equipment applications. A chiller commonly represents small fraction of the cost of processing equipment, yet it provides solid protection of investment, 24/7 and for to come.

Analyzer

The treatment of water utilized in a power is critical for reducing boiler failures. As boilers generate steam, water is evaporated by a cooling tower dissolved minerals accumulate and eventually lead to corrosion of boiler tubes and heat exchanger leaks. To properly control and conserve the chemical additives used to inhibit costly build-up of deposits and to determine appropriate boiler blow-down schedules, continuous on-line pH and conductivity monitoring of boiler and cooling water is essential.

Features
  • Truly designed as per ASME PTC 19.11 recommendations
  • Compact double helix type, shell & tube sample coolers
  • First time All the High Pressure components upto
  • Pressure reducer can withstand temp. upto 550deg C. (i.e. Valve to Pressure reducer)
  • Automatic High Temp. Shut-off valve are used for high temperature protection
  • The Entire system is protected upto 600Deg F upto High Temp.
  • Sample Shut-off valve.
  • No Power Supply required. No wiring !!!!!
  • Rod-in-Tube type pressure reducer for High pressure sample lines as recommended by ASME PTC 19.11
  • On line pressure regulator cleaning
  • No Filters are used
  • Back pressure regulator with Stainless steel diaphragm
  • Easy access of components.
  • Stainless Steel Cooling water pipeline
  • Totally Maintenance free