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Sunday, May 17, 2020 | History

1 edition of Use of a back pressure steam turbine to drive a compressor in an evaporator plant found in the catalog.

Use of a back pressure steam turbine to drive a compressor in an evaporator plant

Use of a back pressure steam turbine to drive a compressor in an evaporator plant

a demonstration at Inver House Distillers, Airdrie

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  • 11 Currently reading

Published by ETSU in Harwell .
Written in English


Edition Notes

Statement[Energy Efficiency Office] ; prepared by Derick Sampson & Partners for ETSU, Harwell, Oxfordshire acting on behalf of the Energy Efficiency Office of the then Department of Energy.
SeriesFinal report -- ED/79/60, Energy efficiency demonstration scheme : report
ContributionsGreat Britain. Energy Efficiency Office., Inver House Distillers Ltd., AEA Technology. Energy Technology Support Unit., Derick Sampson & Partners.
ID Numbers
Open LibraryOL18236494M

The plan is to use the van's compressor for both the refrigeration unit and the car's A/C using the V's condenser. However, the V is a relatively small unit and does not include a liquid refrigerant receiver, and using the car's proved to be too much of a hassle. Lets assume there is a steam balance in the plant and that hypothetically it is possible to feed continuously the steam turbine with very low amount of steam flow, compared to rated capacity, at the same level of pressure and temperature at the steam turbine inlet. In such a way, I would investigate the matter focusing on steam turbine only.

However, there are several plant constraints affect­ing the selection design exhaust pressure. Consider the effect of lowering the exhaust pressure on the turbine condition line on the Mollier diagram (Fig ). Expansion to a lower pressure results in increased wetness, and increased specific volume at . and turbine is the most efficient component of the plant. The results show that, at optimal steam inlet conditions of 61 bar and °C, the backpressure steam turbine cogeneration plant perform with energy and exergy efficiency of and and condensing steam turbine plant perform with energy and exergy efficiency of and File Size: KB.

  Re: Effect in Steam Turbine Due to High Vaccum in Condensor 01/05/ PM we are using cooling water,inlet temp about 26C & at full load, exhust temp is near about 46c & vaccume is , I have seen that when cooling water inlet temp become 23C then exhust temp 42 & vaccume In gas and steam combination power plants, the heat generated by the gas turbines is also used to produce steam for the steam turbines. Small gas power plants (so called combined heat and power plants) use an internal combustion engine instead of a turbine to drive the generator.


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Use of a back pressure steam turbine to drive a compressor in an evaporator plant Download PDF EPUB FB2

Back Pressure Turbines: a type of steam turbine that is used in connection with industrial processes where there is a need for low or medium pressure steam.

The high pressure steam enters the back pressure steam turbine and while the steam expands – part of its thermal energy is converted into mechanical energy. The mechanical. Back Pressure Steam Turbine is also called as Non Condensing Steam Turbine is mostly used in process steam industries or co-generation plants.

The non-condensing steam turbine uses high-pressure steam for the rotation of blades. This steam then le. All steam turbines can be classified into two categories; extraction (condensing) steam turbine and non-condensing steam turbine also known as back pressure steam turbines.

Both of these steam turbine types have their own operating schemes and ben. A steam backpressure turbine is a device that converts the thermal energy of steam into mechanical work.

A steam turbine fundamentally consists of a rotor carrying blades, the casing in which the rotor turns, and the nozzles through which the steam is allowed to File Size: KB. The high pressure, high temperature steam turns a turbine; having done the useful work, the steam leaves the turbine at a lower temperature and pressure.

This steam is condensed into water, which again enters the boiler and the cycle repeats. The above structure works quite good for a system whose main aim is to generate power. Now, consider a.

Turbine is the device in which fluid expands. During the expansion work will be done by the fluid to drive, for example, electric generation. In this case, power output occurs. Compressor is the device which is used to compress the fluid and increase its pressure.

That means power input is. Our steam turbines serve a vast range of industries ranging from Food and Sugar to Biomass and Textiles and beyond. With the mission to provide low-cost, energy-efficient and environment friendly solutions, we invest into extensive research & development leading to world-class industry specific solutions for every client.

Consider Steam Turbine Drives for Rotating Equipment Steam turbines are well suited as prime movers for driving boiler feedwater pumps, forced or induced-draft fans, blowers, air compressors, and other rotating equipment. This service generally calls for a backpressure noncondensing steam turbine.

The low-pressure steam turbine exhaust is File Size: KB. A steam ejector can be used to entrain low-pressure steam into a high-pressure steam flow while preventing backflow and pressure fluctuations upstream.

A steam ejector sends high-pressure (motive) steam through a reduced passageway (nozzle), accelerating it. Key words: Condenser, back pressure, power, heat rate, thermal efficiency I.

to a nonINTRODUCTION The main purposes of the condenser in power plant are condensing the exhaust steam from the turbine for reuse in the cycle and to maximize turbine efficiency by maintaining proper back pressure (vacuum). Back-pressure Steam Turbine Back-pressure steam turbine – schema.

Back-pressure steam turbines or non-condensing turbines are most widely used for process steam applications. Steam is a principle energy source for many industrial processes.

The popularity of process steam as an energy source stems from its many advantages, which include. In The Efficient Use of Energy (Second Edition), Steam Turbines The condensing steam turbine in general use for power production employs a fuel which may be oil, coal, gas or nuclear power, to heat water to a temperature close to the critical point.

Most modern power stations operate at a steam feed temperature of between and °C and a steam pressure of 11–14 MPa. Consider Installing High-Pressure Boilers with Backpressure Turbine-Generators When specifying a new boiler, consider a high-pressure boiler with a backpressure steam turbine-generator placed between the boiler and the steam distribution network.

A turbine-generator can often produce enough electricity to justify the capital cost ofFile Size: KB. evaporator[i′vapə‚rādər] (chemical engineering) A device used to vaporize part or all of the solvent from a solution; the valuable product is usually either a solid or concentrated solution of the solute.

(mechanical engineering) Any of many devices in which liquid is changed to the vapor state by the addition of heat, for example, distiller. In summary, condensing steam turbines are more efficient and produce more power than back pressure steam turbines.

The cost of a condensing steam turbine is about $25/kW more than a back pressure turbine. Steam turbines traditionally have down (or bottom) exhaust, with. output change with the turbine back pressure. The calcu-lation result matches the real situation for one MW sub-critical generation unit. Calculation Example of Turbine Choked Back Pressure for Steam Turbine with ACCs.

For one example generation unit, the MW steam tur-bine is a critical, single-shaft, two-casing two-exhaust. Figure Size: KB. Until the pressure in the evaporator exceeds the spring pressure, the valve remains open. As evaporator pressure drops below the pressure spring bellows expands.

This expansion pushes the needle back into the valve seat and stops the flow of refrigerant. Working pressure of the valve can be adjusted by removing the cover on top of the valve and.

turbines, and gas and steam turbine-driven mechanical loads such as centrifugal compressor trains. Not only is Experion® controlling the turbines, but it also handles all turbine, generator, and compressor auxiliaries as well as the balance of plant controls in a single easy to use, easy to maintain system.

Some. Exergy analysis of the main propulsion steam turbine from marine propulsion plant Article (PDF Available) in Brodogradnja 70(1) March with Reads How we measure 'reads'. turbine comes from cold reheat line of the steam power plant and, the exhaust stream of the back pressure turbine is fed to the desalination plant of the steam power plant.

Increasing condenser outlet temperature reduces the mass flow of CW but increases the turbine exhaust pressure, resulting in a rise in heat rate, a fall in power and therefore a drop in efficiency. Figure shows the results from the heat transfer calculations.

Lines of constant CW velocity and turbine exhaust pressure are displayed.YORK YST M AXE centrifugal chillers utilize an open drive compressor that enables the use of various drives. Specifically, the YST uses a Steam Turbine to provide the rotational power to drive the chiller.

The use of steam as the motive energy provides owners the ability to take advantage of the most effective energy source availableFile Size: KB.Steam chest - steam chest designed for full steam pressure and for best efficiency should be run that way.

Steam chest pressure can be maximized by proper use of the power valves. Casings are as thin as possible to reduce heat sink as a result they cannot accommodate full steam .