M-series high-pressure stage casing pumps have a modular design. This allows Sulzer to find the most efficient solution to meet customer requirements, typically for feedwater pumps and condensate extraction pumps in gas-fired combined-cycle power plants, among other applications. Both investment cost and life cycle costs are taken into consideration when designing the optimal pump, and an optimized hydraulic design guarantees maximum efficiency.
Modular hydraulics for high efficiency in a wide range of operating conditions as required for gas-fired combined-cycle power plants
Optimized design for thermal conditions as applicable in gas-fired combined-cycle power plants
Large branch sizes for optimized inlet flow, low noise level and higher allowable forces and moments
Unaffected by rapid temperature variations and therefore highly suitable for gas-fired combined-cycle power plants where frequent start-stop operation is specified
Easy access to the seal cooling chambers for cleaning
Stiff shaft design for critical speeds above the maximum operating speed
Main applications
The MC pump is primarily designed for power applications, such as: auxiliary boiler feed services; Nitrogen Oxides (NOx) abatement and fuel injection in combined-cycle power plants; boiler feed for biomass fired and industrial power plant; and steam generator feed in concentrated solar power plants. The design is ideal for:
Main and auxiliary boiler feedwater pump duties up to 180°C
Nitrogen Oxides (NOx) abatement and fuel injection in gas-fired combined-cycle power plants
Condensate extraction pumps in power stations and industrial plants
Auxiliary services within gas-fired combined-cycle and industrial power plants
Feedwater pump in desalination by reverse osmosis
High pressure water in general industry
Feedwater pump for gas-fired combined-cycle power plants
Feedwater pump for concentrated solar power plants
Boiler feedwater pump for biomass and industry power plants
Boiler feed pumps for biomass firing power plants applications are typically small/medium ring section type. Axially split multistage pumps are also available when required. The pump size and the design pressure will depend very much of type and the output of the power plant.
Feed water pumps (FWP) pump the feed water from the de-aerator through the HP heaters to the heat recovery steam generator. The major characteristic of the FWP is their high differential head. In all sizes of gas-fired combined-cycle power plants, the FWP are horizontal ring section type; occasionally, they could also be barrel or axially split type.
Feed water pumps (FWP) pump feed water from the de-aerator through the HP heaters to the solar steam generator. The major characteristic of FWP is their high differential head. The FWP are usually horizontal ring section type, but depending on customer requirements, they can also be barrel or axially split type.
Sulzer’s extensive product portfolio to maximize the performance and reliability of your solid organic fuel biomass power plant, solid industrial or municipal waste fuel biomass power plant, and liquid or gaseous organic fuel biomass power plant processes.
This is the heart of the SWRO Desalination process, where the desalination effect takes place. The Treated sea water is fed by means of the High Pressure pumps into the RO membranes, obtaining permeate or product water and high pressure brine rejection, whose high pressure energy is recovered by selected Energy Recovery Device.
Water transport pumps are pumping large volumes of water over mostly long distances and high geodetic heights to geographical areas or industries where it is required for different purposes. We offer various configurations according to your needs.
The balance drum device carries the major proportion of the hydraulic thrust. The drum diameters are chosen to minimize the thrust at normal operating point. The residual and additional thrust loads occurring above/below the normal operating point are carried by the thrust bearing, typically a taper roller bearing.
The balance drum is suitable for:
Long life under extreme operating conditions
Frequent stop-start applications thanks to nearly wear-free device
Balance disc
Balance disc
With the balance disc, the axial force is completely compensated, therefore no axial thrust bearing is required.
The disc designs are optimized for each hydraulic and size.
For operation with frequent start and stops, the installation of a lift-off device is available (either mechanical or magnetic).
NDE bearing arrangement with balance disc and mechanical lift-off device
Mechanical or magnetic (PERMAVORTM) lift-off device
Advantages:
Prevents touching and wearing of the disc/counter disc during operation at low speed, such as start up and shut down
Self-controlling passive system
Reduces load on balance disc under normal operation
Integrated into the radial bearing housing; no additional power consuming bearings required
