• Author / Uploaded
• Faouzi Tlemcen

Citation preview

Siemens Steam Turbines (SST)

SST-400 steam turbine for economical production of heat and power Whether you need power generation for independent power production or for any industrial application, the SST-400 steam turbine offers you the flexibility, reliability and economy of operation you demand.

The SST-400 range: proven design for a wide range of applications The SST-400 is a single casing steam turbine, providing geared or direct drive to 1500 or 1800 rpm generators. It represents a solution based on long experience of industrial steam turbines, covering industrial applications such as: • Generator or mechanical drive

The SST-400 turbine can be equipped with upward, downward or axial exhaust orientation to fit with the selected installation. The turbine skid can be combined with standardized gearbox-oil units and four pole generators to a turboset, according to the customer's needs. The turbine skid and gearbox/oil unit are fully assembled in the workshop before being shipped to the site. The pre-designed turboset enables early planning of the turbine building layout, saving time for the customer.

TLP Cogen, Thailand, 42 MW condensing extraction turbine for combined cycle plant

• Industrial power plants, e.g. captive power plants, chemical industry, pulp and paper mills, sugar industry, textile industry, steel works, mines • Cogeneration • District heating • Waste to energy, e.g. waste incinerators, waste heat from chemical processes, biomass plants • Combined cycle The utilization of selected proven components assures high reliability and easy maintenance.

Design features The SST-400 single casing, modular package design allows a wide variety of configurations to satisfy the industrial customer’s individual needs in the most economical way.

Turboset with SST-400 steam turbine up to 65 MW

Power Generation

Reliability and efficiency from proven technology

Operational flexibility

Easy maintenance

Back pressure or condensing with internally controlled extraction and possibility of several bleeds allows the selection of optimal solutions for the majority of industrial applications.

Our proven installation and maintenance concept lowers maintenance cost by enabling easy access to the installed components, the turbine, gearbox, and generator.

The design of the exhaust blades allows large exhaust areas with high thermodynamic efficiency and reliability.

Several maintenance concepts are available for different modes of operation.

The blading design provides for high efficiency over the whole operation range, giving the customer highly flexible plant operation. The single body turbine has a symmetrical casing with horizontal joint flange, which allows short start-up times and rapid load changes. The design of all supports for labyrinths and blade carriers ensures flexibility for the whole turbine. Internal valve arrangements, controlling the steam flow to the back end of the turbine, are used to maintain constant process steam extraction pressures over a wide flow range. The rotor of the SST-400 range is made of solid forging and is fitted with resonance-resistant blading. The reduction gears are taken from the existing range of world class gear manufacturers and have proven high reliability and performance.

Modular concept for SST PAC-400 turboset

Internally controlled extraction for pressures between 3 and 16 bar

Compact and flexible solutions

Typical layout for turboset with a SST-400 steam turbine

SST-400 technical data Power output.................up to .......65 MW Speed .............................up to .......3000 - 8 000 rpm Live steam conditions pressure .......................up to ........120 bar / 1 740 psi temperature .................up to ........520 ° C / 968 °F Bleed ..............................up to ........60 bar / 870 psi Controlled extraction (single or double) pressure .......................up to ........45 bar / 653 psi temperature .................up to ........450 ° C / 842 °F Exhaust steam conditions back pressure ...............up to ........25 bar / 363 psi district heating .............up to ........3 bar / 43 psi condensing ..................up to.........0.6 bar / 8.7 psi All data are approximate and project-related.

Legend

Typical dimensions

1 Steam turbine

L Length..........30 m / 98 ft

2 Speed reduction gear

W Width............14.5 m / 48ft

3 Generator

H Height.......... 8 m / 26 ft

4 Foundation 5 Condenser

Features and benefits Design features

Customer benefits

• Customized steam path

• Fast and early layout planning

• Proven

• Short delivery time

• Modular

• Compact design minimizes space requirements of installation

• Thermoflexible design

• Easy access to mechanical components facilitates maintenance • Remote control for simple operation • High reliability/availability • High efficiency

SST-400 condensing turbine

Reference examples SST-400 has been sold for a rich variety of applications around the world. The following references are typical examples of this versatility of application.

Haldia, India,35 MW condensing turbine

Burnaby, Canada, 25 MW condensing extraction turbine for incinerating plant

Quality and experience in one product family Type

Steam parameters

SST-100

65 bar, 480°C

SST-200

80 bar, 480°C

SST-300

120 bar, 520°C

SST-400

120 bar, 520°C

SST-500

30 bar, 350°C

SST-600

140 bar, 540°C

SST-700

165 bar, 565°C

SST-800

140 bar, 540°C

SST-900

165 bar, 585°C

10

SST-400 steam turbines are part of a modern range of Siemens steam turbines developed to meet the most demanding customer requirements for cost-efficient power generation and mechanical drive applications in power plants and industrial environments. This is achieved by using a highly modularized system of state-of-the-art components with well proven design features. Its development is based on experience accumulated during a century of steam turbine design, manufacturing and operation.

30

Output (MW) 50

70

130

150 +

Double flow

Dual casing/reheat

Center admission Single casing/non-reheat

Dual casing/reheat

The SST range of our turbines cover the complete spectrum from 2 to 180 MW and are available in back pressure, condensing and extraction design. The table above shows the Siemens full range of industrial steam turbines and their most important parameters. Whether you need a generator drive for power generation or a mechanical drive for compressors, blowers and pumps just tell us your needs and together we can select the optimum turbine or turboset which is most suited to respond to them.

Published by and copyright 2005: Siemens AG Power Generation Freyeslebenstrasse 1 91058 Erlangen, Germany e-mail: [email protected] www.siemens.com/powergeneration Siemens AG Power Generation Industrial Applications Wolfgang-Reuter-Platz 47053 Duisburg, Germany e-mail: [email protected] www.siemens.com/powergeneration Siemens Industrial Turbomachinery Inc. 10730 Telge Road Houston, Texas 77095, USA Order No. A96001-S90-A195-X-4A00 Printed in Germany 1387 177480M DA 02052. Subject to change without prior notice. The information in this document contains general descriptions of the technical options available which do not always have to be present in individual cases. The required features should therefore be specified in each individual case at the time of closing the contract.