1 edition of Pumps and condensers, steam and water piping. found in the catalog.
Pumps and condensers, steam and water piping.
|Series||Machinery"s reference series ..., no. 72|
|LC Classifications||TJ901 .P94|
|The Physical Object|
|Number of Pages||48|
|LC Control Number||11026515|
The process of hydronics can also be used with boiler systems. Hot water boilers or steam boilers can be used to heat water and deliver the water to heat exchangers inside the building for both comfort heating and process heating. A hot water boiler system will heat the water to degrees Fahrenheit on a cold day and then a pump will pump the hot water through a piping circuit or a piping. The water jets entrain the air and non-condensable gases and discharge them into the barometric tail pipe which drains by gravity into a hot-well. Condensing water is delivered to the nozzles at a slight positive pressure (4 to 5 lbs.), but with light steam loads, the injection water may be throttled and water flow adjusted to meet the vapor load.
Free water is removed in the forming, pressing and drying processes. Freezing water is removed in the pressing and drying processes. Nonfreezing water is removed in the drying process. Drying in the multi-cylinder process Steam heats the paper through the dryer shell to evaporate water from the web. The purpose is to. Steam moving through a line at high speeds picks up condensate in the bottom of the pipes, much like wind blowing across a lake forms waves. When the high speed steam and condensate come to a bend, such as a ‘Tee’ or 90 Degree turn, the steam makes the transition, but the water slams into the side wall of the pipe.
CIRC. WATER PUMP RHR PUMP MAIN TURBINE CONDENSATE PUMP MAIN FEED the steam is routed to the main condenser. Cool water, flowing through the tubes in the condenser, removes excess heat from the steam, which allows the steam to is a reactor coolant pump, a steam generator, and the piping that connects these components to the reactor. Water does not run uphill! If value of "0" entered, calculator assumes proper diameter for discharge pipe (velocity of 10 ft ⁄ sec or less) and includes a safety margin of 10 psig. If value not known, use Pipe Friction Calculator to determine resistence of piping in feet of head. Pump flow rate is less than gallons/min (GPM). Contacting.
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Water-cooled condensers involve a heat rejection loop where condenser heat is dissipated to the environment via water. The most common type of water-cooled condensers in geothermal power plants are direct-contact and surface types. Plate-type heat exchangers (a special kind of surface exchanger) are also possible, but appear to be more common in liquid-to-liquid heat transfer applications.
Elements of a Steam Condensing Plant The main elements of a steam condensing plant are: a condenser in which the exhaust steam in condensed, — supply of cooling or injection water, for condensing exhaust steam, — a pump to circulate the cooling water in case of a surface condenser, — a pump, called the wet air pump, to remove the condensed steam (condensate), the air.
This is the most frequently encountered form of water hammer in condensate transport piping. It occurs at points where piping carrying high temperature flash steam and piping carrying low temperature condensate converge.
Unlike water hammer resulting from backflow, steam and condensate do not flow in opposite directions to cause water hammer. Evaporative type of condenser has a. Water in pipes surrounded by steam outside. Steam and cooling water mixed to give the condensate.
Steam in pipes surrounded by water. None of the above. View Answer / Hide Answer. In Part 1 of this series we offered an example of a condenser water pumping system with GPM per condenser for a total of GPM with the third condenser serving as standby. The tower elevation or lift is 10 feet, the condenser (with the 2-way valve and balance valve) has 20 feet of pressure drop, and the common piping with any safety.
This guide covers the design and selection of a condenser water pump. The condenser water pump is a part of an overall condenser water system that often includes a chiller, piping, valves/fittings, water treatment, and a cooling tower.
The condenser water pump is used to circulate condenser water either in an open or a closed circuit system. ily chilled water and condenser water system piping system design, it is important to understand the evolution from 1-pipe into the other three systems, all of which are used for heating as well as cooling.
1-Pipe Systems A 1-pipe water distribution system is a system that has a one main pipe looping around the building and then returning. Online calculator to quickly determine Pipe Sizing by Velocity for Water.
Includes 53 different calculations. Equations displayed for easy reference. Standard Piping Material Use Comments; ASTM Schedule Chilled water up to mm (in) dia., Condenser water up to mm (in) dia.
Hot water Natural gas, fuel oil Steam ( kPa (15 psig) to kPa ( psi)) kPa ( psi) fittings. Standard weight pipe over mm (in) diameter. Test to kPa ( psig). Steam and Hot Water Drainage Condensers and Sumps.
High Temperature Discharge. No steam pipe shall be directly connected to a plumbing or drainage system, nor shall water having a temperature above °F (60°C) be discharged under pressure directly into a drainage system.
Pipes from boilers shall discharge by means of. Often these systems maintain temperature and humidity by heating and cooling water. When steam returns to water it is called "condensate" and the steam-to-water part of an HVAC system is called the condensate loop.
The pump that moves condensate back from the condensate loop into the rest of the HVAC system is called the condenser water pump. 6. Cooling Tower: It is a tower which contains the cold water and this water is made to circulate within the condenser for cooling of steam.
Cooling Water Pump: It is a pump lies in between the cooling tower and condenser. It circulates the cooling water through the condenser. Working. The steam condenser receives the exhaust steam from one end and comes in contact with the cooling water. STEAM CONDENSERS CONDENSER TYPES SPRAY TYPE.
Spray condensers utilize mixing or direct contact of cooling water and steam. Cooling water is distributed inside the condenser in the form of a fine spray that contacts and condenses the steam. This type of.
This includes water in suspension in the condenser and the water in the condenser basin during normal operation, plus that in the pipe lines between the condenser and sump.
Recirculating water pumps for remote sump applications must be selected for the required flow at a total head which includes the vertical lift, pipe friction (in supply and. – STEAM AND CONDENSATE PIPING AND PUMPS DESIGN AND CONSTRUCTION STANDARD Design and Construction Standards, Revised January 4 Low and medium pressure isolation valves shall be ball valves, Zinc plated A- carbon steel body and stainless steel trim, R-PTFE seats, threaded 3-piece.
Two centrifugal pumps are employed; one for delivering the warm water from the hot-well to the spray pond, the other for pumping the cooled injection water to the condenser. Automatic level control is provided by an overflow pipe from spray pond to hot-well.
This kind of condenser, due to the absence of moving parts, is highly reliable and offers. Water source heat pumps Process cooling Two pipe changeover Either heat or cool through same piping, and usually same coils as well.
Changeover decision Source equipment changeover Three pipe systems Literally “old school” (was common in unit ventilator systems in schools). Also high rise terminal systems. Huge energy waste just to save a. Once steam is used it turns to hot water or condensate.
This pump and possibly many more around the plant returns this hot water back to a make-up tank closer to the boiler, where it can be reclaimed, chemically treated, and reused, in the boiler, consequently it can sometimes be referred to as a condensate return pump.
In a typical single-fluid direct-contact condenser, cooling water is sprayed into the turbine exhaust steam and condensation occurs on the water droplets (Fig. ).The temperature difference between the leaving water and the condensing steam temperature could, in theory, be zero, but in actual practice it may be as high as 5–6°C.
The condenser must be installed to allow for complete conden-sate drainage. Mounting arrangements should take into account the weight of the condenser when it is fully flooded. Vacuum aph of the Heat Exchange Institute’s Standards for Steam Jet Vacuum Systems (4th ed.) details the pro.
Condenser circulating pumps deliver cool water from freshwater sources near the power plant and pump it through the condenser to condense exhaust steam from the turbine. These pumps can be either located in dry pits or wet pits. If they are in wet pits, then they are a vertical design. Recommended velocity of saturated steam in pipe network = m/s Recommended velocity of water in pipe network= m/s.
In case of water hammers, condensate is dragged by steam and hence, the water slug travels with velocity equal to that of steam which is around ten times more than the ideal water velocity.Many institutional and industrial projects use steam to heat the water for hydronic heating, domestic water, or processes.
The pipe size prior to the steam control valve is often shown, but the pipe size from the control valve to the steam-to-water heat exchanger or converter is rarely shown.
A question we receive often is.