V-Temp TM economizer – in this patented design the feedwater to the economizer is split into an overflow path and an underflow path, each feeding from its own economizer inlet header. Conventional economizers are cylindrical or rectangular and come in a range of sizes for both firetube and watertube boilers. The cylindrical design covers a range of sizes for both firetube and watertube boilers. Rectangular designs are more commonly used for larger industrial watertube boilers, and can be configured for vertical or horizontal gas flows, finned or bare tube design, and other additional options if needed. Bare tubes are typically utilized in order to minimize ash fouling, but some boiler OEM's design their economizers with finned tubes, either spiral or long finned. FireCAD Economiser design software is a windows based user friendly design software. The economizer tube bank consists of a mix of underflow and overflow tube sections fed from the underflow and overflow headers. Every boiler plant is different, and users of the Guide are advised to consult their mechanical engineer, and their boiler and water treatment service providers, when evaluating and implementing these best practices. SUMMARY: 1. Given this, the economizer is supplied with its own relief valve to prevent any over pressurization from water being trapped in the economizer and being heated by the boiler flue. Using this module, Engineers can design a wide variety of Economisers for Fired Boilers, Waste Heat Boilers, HRSGs and for other hot gas sources of Chemical plants. This section shall define the minimum requirements for the selection of a heat recovery boiler economizer . The heat path is reversed at the bottom of the boiler … As a matter of good design, they will be able to be able to be bypassed. Prior to the advent of the Sidekick and Rainmaker the only option for owners of older, less efficient boilers was to demolish them and purchase newer boilers. Economizer Design Software Features:. 3 BEST PRACTICES 3.1 Plant configuration and design 3.1.1 Boiler heat exchange surface area & flue gas economizers Requirement design of economizer is made to ensure that steam boiler can be performed efficiently.The requirement design of economizer should describe the provisions for preventing thermal fatigue damage to the economizer inlet manifolds, headers and tubing due to feed temperature cycling during hot banked conditions and start up. The boiler feedwater runs through the economizer circuits in the opposite direction of the gas flow (called counterflow). 3. GENERAL DESIGN: 1. We provide an automated program to allow you to see the type of savings your application will realize. The Heat-Sponge RAINMAKER product line is the first boiler economizer designed specifically for hot water boilers. A cross section of the design is shown in Figure 3.4.2. • Identify economizer sensors, controllers, and controlled devices on a miniature or packaged HVAC unit. The basis of design for the project is a HeatSponge Boiler Economizer as manufactured by Boilerroom Equipment, Inc. 2. Boiler heights vary typically from 1.7 m to 2.4 m for outputs of about 100 kg/h to 1 000 kg/h respectively. Your payback depends on your fuel costs, average loading, and hours of operation. For watertube boilers, 100,000 PPH is the largest size handled. 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