Bottom Ash Handling System Ppt

Ash Handling in powerplants.ppt

The document provides an overview of the ash handling system at a power plant, including bottom ash, fly ash, and slurry handling systems. It describes the different types of ash generated and their quantities. The bottom …

Ash Handling Systems Ppt

Dry type Bottom Ash Hopper with submerged scraper chain conveyor system followed by lean phase slurry pumps system upto ash dyke. Flushing Apparatus for Fly Ash. NEGATIVE …

Overview On Ash Handling System | PDF | Pump | Boiler

This document provides an overview of ash handling systems used in thermal power plants. It discusses the large quantities of ash generated from coal combustion and the challenges of ash disposal. Various bottom ash handling systems are described, including wet and dry systems. Fly ash and economizer ash removal systems are also outlined. Both wet and dry removal …

Ash Handling System In Thermal Power Plant PowerPoint PPT …

Ducon123 - Ducon is one of the Technology Provider in the field of Flue Gas Desulphurization (FGD) System. Its well-known brand in India and abroad for the FGD Technology. Also Ducon has executed many projects of Material Handling System in Aluminium Industry Sector where its installations are there in the every plant of Alumina Smelter and Alumina Refinery.

Ash Handling Systems

Slag and ash falling from the furnace are temporarily stored in the bottom ash silo. They are then sent to the ash pond using a hydro ejector. Alternatively, a submerged drag chain conveyor or dry ash extraction conveyor will transport bottom ash to bottom ash silo for ash recycling. • Bottom Ash Hopper System utilizing Hydro-ejectors ...

Fundamentals, Troubleshooting & Maintenance of Ash …

2 Maintenance of Ash Handling Plants and Pneumatic Conveying Systems Content Chapter Title Page No. 1 Bulk Materials 3 2 Need for Mechanized Ash Handling Systems 7 3 Types of Ash 9 4 Bottom Ash Handling 11 5 Hydraulic System Fundamentals for Bulk Material Handling 27 6 Pneumatic Conveying of Materials 32

Ash Handling Plant | PDF | Pump | Fly Ash

Ash Handling Plant Ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. The document summarizes the general arrangement of equipment installed in an ash …

Ash Handling System In Thermal Power Plant

1. Bottom Ash – Ash generated below furnace of thethermal power plantis called the bottom ash. The value of bottom ash generated is around 20 % of total ash. Bottom ash is mostly coarse in nature henc...
2. Fly Ash – Around 80 % of ash generated in thermal power plant is fly ash. It is in form of very fine particles which is collected via economiser hopper, air-preheater hopper and electrostati…

1. Bottom Ash – Ash generated below furnace of thethermal power plantis called the bottom ash. The value of bottom ash generated is around 20 % of total ash. Bottom ash is mostly coarse in nature henc...
2. Fly Ash – Around 80 % of ash generated in thermal power plant is fly ash. It is in form of very fine particles which is collected via economiser hopper, air-preheater hopper and electrostatic preci...

Ash handeling1 | PPT

It describes the types of ash generated - bottom ash and fly ash - and the difficulties in handling ash, which can be hot, cause dust and air pollution, and corrode equipment. The key requirements for effective ash handling systems are conveyed. Various ash handling system types are then outlined, including manual wheelbarrows, mechanical ...

Ash Handling Systen in A Power Plant | PDF | Pump

This document summarizes the fly ash handling system used in a 500MW power plant. It describes how bottom ash and fly ash are classified and handled through either wet or dry systems. The key components of the dry fly ash handling system are the vacuum pumps, bag filters, buffer hoppers, transporters, transport air compressors, and dry fly ash silos. Fly ash is …

Ash Handling System | PDF | Science & Mathematics

Ash Handling System - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. There are two types of ash produced in thermal power plants: bottom ash and fly ash. Bottom ash makes up 20% of total ash and falls directly to the bottom of the boiler, while fly ash makes up 80% and is collected from equipment hoppers.

Ash Handling Power Plant System | PPT

7. ASH HANDLING SYSTEMS: • PNEUMATIC SYSTEM• In this system ash from the boiler furnace outlet falls into a crusher, where larger ash particles are crushed to small sizes. • The ash is then carried by a high velocity air or steam to the point of delivery. • Air leaving the ash separator is passed through filter to remove dust etc. • so that the exhauster handles …

Bottom Ash & Fly Ash Handling Systems | PDF | Pump | Valve

The document discusses bottom ash and fly ash handling systems. It describes the common systems used, including wet and dry bottom ash handling, as well as vacuum-pressure, pressure-pressure, and air slide systems for fly ash handling. It provides details on the typical equipment involved for each system, such as hoppers, conveyors, filters, compressors, silos, and …

Ash Handling Plant

An ash handling system consists of some subsystems such as bottom ash (BA), fly ash (ESP/air heater), ash water, and ash disposal systems. The ash handling system may be dry (dry pneumatic conveying is more popular now on account of retention of original characteristics of fly ash and its utilization), semiautomatic wet, and a wet system.

Dry bottom ash handling system Improving maintainability …

bottom ash, boasts the following advantages over conventional hydraulic transport systems: ・Smaller environmental impact ・Wider and more effective uses of dry bottom ash ・Lower equipment and running costs Figure 1 shows an overview of the dry bottom ash handling system. Bottom ash that fell from the furnace is

Dry bottom ash handling system

The installation of the MAC ® system provides an increase in boiler efficiency within the range of 0.1÷0.6% (calculated within the framework of ASME PTC4), depending on actual coal properties and ash rates. Much of the heat leaving …

Ash Handling System In Thermal Power Plant

Working of Ash Handling System in Thermal Power Plant. Ash handling system are generally divided into three types fly ash handling system, bottom ash handling system and ash slurry disposal system. Fly ash handling system: Fly ash is captured and removed from the flue gases by economiser, air-preheater and electrostatic precipitator (ESP ...

Ash Handling System | PDF | Fly Ash | Incineration

Ash Handling System - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Ash is residue remaining after coal is burned and consists of oxidized mineral matter like silica, alumina, and iron oxide. Indian coal power plants produce thousands of tons of ash per day that must be disposed of to prevent pollution.

Ash Handling System | PDF | Materials | Chemical Substances

The document discusses ash handling systems for coal power plants. It defines ash as residue remaining after coal combustion. Around 30-40% of Indian coal's weight becomes ash, with a typical power plant producing 9,000-12,000 tons of ash per day. The ash handling system collects and disposes of ash to prevent pollution. Bottom ash falls in the furnace bottom while fly ash is …

Ash Handling Systems

Slag and ash falling from the furnace are temporarily stored in the bottom ash silo. They are then sent to the ash pond using a hydro ejector. Alternatively, a submerged drag chain conveyor or …

Ash Handling System | PDF | Fly Ash | Materials

This document discusses ash handling systems in coal power plants. It defines ash as the residue remaining after coal is burned. It notes that a typical power plant produces 9,000-12,000 tons of ash per day. The ash handling system collects and disposes of bottom ash that falls in the furnace and fly ash carried by flue gases. Bottom ash is collected through wet or dry systems and …

Ash Handling | PDF | Fly Ash | Pump

1. Ash handling systems are required in thermal power plants to properly handle and dispose of ash, which makes up 30-40% of the total coal consumption. 2. The main components are bottom ash handling systems that deal with coarser ash using wet or dry methods, fly ash handling systems that convey finer ash using dry or wet pneumatic systems, and ash disposal systems. …

Bottom Ash | Hydraulic Systems

The VAX Vibratory Ash Extractor is the latest evolution in dry bottom ash handling technology which delivers superior heat recovery, lower installed cost, higher reliability and less maintenance compared with conventional moving belt designs. The VAX system is the most cost-effective and rugged dry bottom ash handling system available.

NTPC PMI OFF AshHandlingSystem | PDF | Fly Ash | Materials

The document discusses ash handling systems in coal power plants. It defines ash as residue remaining after coal is burned. Around 30-40% of Indian coal's weight becomes ash. Power plants produce thousands of tons of ash per day that must be disposed of safely. The ash handling system collects bottom ash from the furnace bottom and fly ash carried by flue gases. It then …

Ash Handling System | PDF | Fly Ash | Pump

Ash Handling System - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. The document discusses ash handling systems in thermal power plants. There are two main types of ash: bottom ash, which falls directly to the bottom of the boiler, and fly ash, which is collected from equipment hoppers.

Ash handling: Why dry bottoms are better than wet bottoms

A new dry bottom ash handling system continues to burn the bottom ash during the extraction and cooling phase " passing ambient air, instead of water, over the ash. Known as Drycon, the system not only minimizes emissions and non-recyclable waste products but also delivers increased boiler efficiency, due to the improved burning of the ash. à‚

Bottom Ash Handling Systems, Conveyors, Dewatering Bins

B&W provides reliable and cost-effective alternatives to ash storage ponds. Our bottom ash handling systems include submerged grind conveyors and dewatering bins. ... Utilizes existing hydraulic transport system (no modifications to boiler) Located remote from boiler, small footprint; Ideal for batch transport of bottom ash;

Ash Handling System | PDF | Fly Ash

The document discusses ash handling systems in coal power plants. It defines ash as residue remaining after coal combustion and explains that ash handling is necessary due to the large volumes of ash produced daily. It describes how bottom ash falls in the furnace while fly ash is carried by flue gas, and the systems used to collect, transport, and dispose of each ash type …

ASH HANDLING PRESENTATION ON POWER PLANT | PPT

29. stage-i fly ash system • 60 t/hr of ash in each unit is collected by dry fly ash system. new dry fly ash system is provided only in unit #2 and unit #3 . unit#1 has no dry ash collecting system • 56 esp hoppers in each unit • 4 nos of collector tank • 4 nos of air washer • 4 nos of mechanical exhauster • 2 nos of i.a.c. • dry ash is collected and slurry is made by …

DESIGN OF ASH HANDLING CONVEYING SYSTEM

The Mechanical Ash Handling System is often the best choice for fluidized bed ash where headroom is restricted under the boiler. The Mechanical Ash Handling System handles the ash by A Bottom Ash Handling System, Fly Ash Handling System, Ash disposal system up to the Ash disposal area and water recovery system