Jet III Pulse Jet Dust Collectors

Environmental Systems and Services - Air Pollution Control

Siemens Wheelabrator Jet III

Our solutions become standards

By working closely with our customers to help solve their problems, we have pioneered many pulse jet filtration innovations that have achieved a number of significant breakthroughs and industrial application milestones.

Over the years, our Pulse Jet Dust collectors have made important contribu-tions to controlling emissions for the iron and steel, non-ferrous, coal-fired utility, hazardous waste and trash-to-energy industries.

Siemens Pulse Jet technology offers a variety of designs, both custom and pre-engineered, to meet specific needs. Each system is designed for cost effec-tive, reliable performance. They have been developed to clean emissions from industrial processes ranging from 500 to 1,000,000 ACFM.

Applications

Foundry Processes

Steelmaking and Non-Ferrous Processes

Secondary Metal Processes

Chemical and Mineral Processes

Utility or Industrial Coal-Fired Boilers

Municipal Solid Waste Incinerators

General Ventilation

Dryers, Coolers, Kilns

Emissions from cement kilns Particulate emissions from an electric arc furnace’s canopy hood and other building ventilation points

Ventilation for two 43-ton ladle metallurgy stations

Emission from coal-fired boilers at an oil refinery.

2

Pulse Jet Dust Collectors

Continuing support

Our Aftermarket Services Department can:

Monitor, test and inspect your collector on site

Train your operating and maintenance personnel

Provide replacement parts

Upgrade or rebuild your equipment

For more information please contact us at 1-800-327-8727.

Ongoing JET III research and development

Siemens technical innovation and extensive knowledge are the result of our continuing commitment to product research and development, building on Wheelabrator brand technology.

One Source for Clean Air Technology

Because Siemens is a single-source supplier for all aspects of fabric filter systems, we can offer our customers the right technology for their application. This broad range of capabilities includes process analysis, system design, erection, start-up, and complete aftermarket services with comprehensive technical support, service, operator training and replacement parts for our equipment.

Emissions from a municipal solid waste facility.

Gaseous and fluoride emissions from an aluminum reduction plant.

Emissions from a pulverized coal boiler.

Primary and secondary emissions from an AOD vessel

3

Clean floor design

Pulse manifold pipe

Clean air plenumDouble diaphragm valve

Pulse headerWalk-in access

Heavy dutyhousing

and hopperconstruction

Filter bags

Inlet with gasdistribution baffle

Dust discharge

4

Siemens Wheelabrator Jet III

Tube sheet and bag attachment

Die-formed cups for added strength

Positive seal against dust leakage

Fast bag attachment without tools

Simple, one-step bagging

Improves clean-side work area

Our Pulse Jet Dust Collector uses a drawn-cup tube sheet. The tube sheet is seal-welded into the housing to create a positive seal.

The tube sheet features patented “snap-ring” bag sealing and offers a fast, one-man, one-step process for bag installation. Our tube sheet, acting as a natural bagging fixture, allows cage insertion or removal directly from the tube sheet and bags.

Venturi and cage

Designed and tested to reduce com-pressed air consumption

Venturi self-aligns for easy installation and efficient pulse cleaning

Simple interlock for rapid assembly

Quality bag support cages

The high-gain throat of the dust collector venturi is capable of cleaning more surface area of filter media with less compressed air. This provides effective cleaning of 6-inch diameter bags up to16-feet long with the collector on stream.

The venturi snap locks on the bag support cage, which is then simply inserted into an installed bag in the tubesheet.

5

Pulse Jet Dust Collectors

Jet III Pulse cleaning system

Our pulse cleaning hardware is designed to clean with minimum air consumption for maximum energy savings. More filter cloth area is cleaned with each pulse. Field tested on tough industrial applica-tions, the cleaning system contributes to prolonging filter bag life.

Header

The compressed air header is designed for space saving, positive alignment and convenient mounting of air valves. Header assemblies are sectionalized to permit local isolation for maintenance without shutting down the entire system. The system requires a low line pressure for energy conservation.

Double diaphragm air valve

Siemens double diaphragm air valves provide the power for cleaning up to 18 bags per row. Fewer valves per square foot of cloth mean less maintenance and fewer parts.

Manifold

Extensive research and development by Siemens Wheelabrator has resulted in a unique, energy efficient blow pipe for pulse cleaning. The 1-1/2 inch diameter manifold pipes are drilled with offset and variable size holes to ensure maximum even flow through all venturis. The fit of the manifold with the plenum is positive to maintain alignment. For bag inspection and/or removal, the manifold can be removed with minimum effort and without special tools.

Simple design uses fewer parts

Easy to maintain

Reduces energy costs

6

Jet III On-line cleaning

Variable orifice manifold force curve

Manifold Optimization Curve

Constant orificemanifold force curvePU

LSE

FOR

CE,

LB

S.

Orifice position

Dust drop out

Dirty air

High collection efficiency, low energy consumption

Our cleaning system has reserve power that can be utilized during upset condi-tions, such as higher dust loads. This reserve power also reduces the cleaning demand during normal operation.

The proprietary cleaning system has been employed and proven on a multitude of industrial applications.

Gas and particulate distribution

The JET III utilizes an engineered sinto diffusion-type baffle that reduces particulate load to the filter bags by deflection, impaction and downward flow into the hopper. Unlike other designs, the diffusion baffle is not affected by centrifugal forces developed in inlet elbows and turbulence with angular entries. The JET III sinto baffle has the advantage of operating the unit at higher filter rates with heavier dust loading, thus minimizing capital costs, space and components.

Benefits

Variable diameter holes in manifold pipe equalizes the cleaning effectiveness for each bag in a row.

Offset holes ensure air jet is loaded in center throat section of venturis.

Maximizes compressed air utilization.

Improved cleaning of all bags, lowering pressure drop and improving bag life with less air consumption.

7

Siemens Wheelabrator Jet III Modular series walk-in plenum design

912 TA-SB

1212 TA-SB

1512 TA-SB

1812 TA-SB

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8

Siemens Wheelabrator Jet III Modular series roof access door design

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9

Siemens Wheelabrator Jet III Extended series walk-in plenum design

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Siemens Wheelabrator Jet III Extended series roof access door design

CLOTH AREA (SQ. M)

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11

Published by and copyright © 2012:

Siemens Energy, Inc. 4400 Alafaya Trail Orlando, FL 32826-2399, USA

Environmental Systems & Services 501 Grant Street Pittsburgh, PA 15219, USA

Tel: (412) 562 7300

Parts and Services (800) 327-8727

Siemens AG Energy Sector Freyeslebenstrasse 1 91058 Erlangen, Germany

Order No. E50001-E520-A440-X-7600 Printed in USA

All rights reserved. Subject to change without prior notice.

Trademarks mentioned in this document are the property of Siemens AG, its affili-ates, or their respective owners.

The information in this document contains general descriptions of the technical options available, which may not apply in all cases. The required technical options should therefore be specified in the contract.