HERZ biomass boilers 100 to 20,000 kw

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Harold Gallagher
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1 English HERZ biomass boilers 0 to 20,000 kw Warmwater boilers Hotwater boilers Steam boilers Hot-air systems

in 19, HERZ has been continuously active in the market for more than 120 years.

00 employees at home and abroad, HERZ is the only Austrian manufacturer that produces

production as well as a research institute for new, innovative products.

ed. Over the years, HERZ has established itself as a specialist in renewable energy systems.

2 Competence is our success... HERZ FACTS: 22 companies Group headquarter in Austria Research & development in Austria Austrian owner 2.00 employees in over countries 22 production sites HERZ Armaturen GmbH - The company Founded in 19, HERZ has been continuously active in the market for more than 120 years. With sites within Austria, another 1 in Europe and more than 2.00 employees at home and abroad, HERZ is the only Austrian manufacturer that produces equipment for the entire heating and installation industry and is one of the most important internationally. HERZ Energietechnik GmbH HERZ Energietechnik employs more than 230 staff in production and sales. At the company sites in Pinkafeld/Burgenland and Sebersdorf/Styria, there is state-of-the-art production as well as a research institute for new, innovative products. As a result, proven cooperations with research and educational institutions can be intensifi ed. Over the years, HERZ has established itself as a specialist in renewable energy systems. HERZ places a great importance on modern, cost-effective and environmentally friendly heating systems with the highest level of convenience and user-friendliness. HERZ for the environment All HERZ biomass systems underbid the strictest emission regulations. Numerous environmental endorsements bear witness to this. HERZ quality Our HERZ design engineers are in permanent contact with acknowledged research institutions in order to improve the very high standards continuously. 2

Standard Fuels HERZ offers a wide variety of different combustion systems for different fuels.

We are happy to test your fuel in our test center and will advise you of your optimum combustion system.

Chipboard, MDF Virgin wood chips Chip from landscape managment Industrial wood chips Bark Shredded demolition & packaging

agro-pellets Boiler range HERZ offers boilers with a nominal capacity from 0 kw to produce warm and hotwater, saturated

True to the motto "Nothing is impossible" our engineers will seek to provide an optimum solution for your requirements.

RRK M RRK M RRK 200-3000 RRK 0-2300 RRK 1200-10 RRK 00 RRK 0-0 RRK 00-00 RRK 200-30 RRK 130-20 RRK 0-1.000.000.000.000.000 3.

3 Standard Fuels HERZ offers a wide variety of different combustion systems for different fuels. Below is an overview of the various systems. We are happy to test your fuel in our test center and will advise you of your optimum combustion system. Combustion systems RRF SRF-S SRF-H TSRF Combustion systems RRF SRF-S SRF-H TSRF v Swarf Saw dust Shavings- millings Chipboard, MDF Virgin wood chips Chip from landscape managment Industrial wood chips Bark Shredded demolition & packaging wood Wood baes energy crops (chaffed) Pomace, juice production residues Wood pellets Industrial pellets Turf pellets, agro-pellets Boiler range HERZ offers boilers with a nominal capacity from 0 kw to produce warm and hotwater, saturated steam, superheated steam, hot air and hot gas as well as CHP. The biggest advantage of HERZ is total fl exibility. True to the motto "Nothing is impossible" our engineers will seek to provide an optimum solution for your requirements. Type Nominal capacity in kw (at W0) Container Heat exchanger RRF SRF-S SRF-H TSRF WW HW Steam RRK M RRK 9M RRK M RRK M RRK M RRK M RRK M RRK RRK RRK RRK 00 RRK 0-0 RRK RRK RRK RRK C C* C* C* C* WW = Warm water, HW = Hot water, Steam = Saturated steam Special solutions on request! C available as containerized version. C* in standard container assumes no liability for the information, subject to change without notice. 3

Discharge systems PS - Pellet Extract Auger KA - Sweep Arm Agitator with

transport and silo discharge of wood pellets for granulated fuels up to P3*

Auger WS - Horizontal Sweep Auger for granulated fuels up to P3* For silos

granulated fuels up to P3* For silos accessible from the bottom Filling

different types of transport systems like Transport auger (TS), direct

These systems are suitable for the following max. size classes (acc.

(slivers up to 3cm long) with hydraulic ram infeed with transport auger up

particel size (P) 1 3 120 12 *) Size class specifi cations and storage

4 Discharge systems PS - Pellet Extract Auger KA - Sweep Arm Agitator with adjustable pressure relief device for rectangular silos suitable for the transport and silo discharge of wood pellets for granulated fuels up to P3* Filling height up to m (depending on fuel bulk density)* SS - Tapered Sweep Auger WS - Horizontal Sweep Auger for granulated fuels up to P3* For silos accessible from the bottom up to m ø Filling height up to 20m* for granulated fuels up to P3* For silos accessible from the bottom Filling height up to 30m* SBA - Walking Floor Transport systems HERZ offers different types of transport systems like Transport auger (TS), direct hydraulic ram (QFE), and chain conveyors (KKF). These systems are suitable for the following max. size classes (acc. To OENORM EN 191): for coarse and shredded fuels up to size class P120* (slivers up to 3cm long) with hydraulic ram infeed with transport auger up to P3* KKF QFE TS 330 TS 220 max. particel size (P) *) Size class specifi cations and storage heights are for guidance only, as they depend on the actual kind of fuel and design variant. Beware of bridging which might occur on a storage height that exceeds twice the silo width.

$Completely refractory lined and stochiometrically designed primary and secondary combustion air zones. max. fuel water content up to M30 max.$ $fuels with high ash content. Fully automatic de-ashing of the combustion unit with ash scraper below grate and ash auger. Completely refractory lined combustion chamber.$

Stochiometrically designed primary and secondary combustion air zones. Alternatively with auger or hydraulic infeed. max. fuel water content M0 (more than M0 with preheater Luvo) max.

5 Combustion systems Underfed Hearth Combustion Unit RRF Combustion with hearth and rear grate section with hinged cast steel elements. Integrated ash trays and optional de-ashing with auger. Completely refractory lined and stochiometrically designed primary and secondary combustion air zones. max. fuel water content up to M30 max. fuel ash content 1,% Available from 0 kw Nominal capacity Moving Grate Combustion Unit for Dry Fuels TSRF Combustion with hydraulically or electro-mechanically operated grate, for combustion of dry fuels with high ash content. Fully automatic de-ashing of the combustion unit with ash scraper below grate and ash auger. Completely refractory lined combustion chamber. Stochiometrically designed primary and secondary combustion air zones. Alternatively with auger or hydraulic infeed. max. fuel water content M0 (more than M0 with preheater Luvo) max. fuel ash content % Available from 10 kw nominal capacity Moving Grate Combustion Unit SRF Combustion unit with hydraulically or electro-mechanically operated grate, for combustion of wet materials with high ash content. Fully automatic de-ashing of the combustion unit with ash scraper below grate and ash auger. Completely refractory lined and Stochiometrically designed primary and secondary combustion air zones. Alternatively with auger or hydraulic infeed. max. fuel water content M0 (more than M0 with preheater Luvo) max. fuel ash content % Available from 10 kw nominal capacity assumes no liability for the information, subject to change without notice.

$exchanger s fi rst pass) preheats the return fl ow via a duct along the boiler jacket Combustion chamber stochiometrically designed three zone system completely lined with refractory brickwork 2 3$

6 Warm and Hotwater Systems 1 Boiler tubes best-practise chamfered and rootwelded, individually replaceable if required Water-cooled Boiler Jacket absorbs the heat from the combustion chamber (heat exchanger s fi rst pass) preheats the return fl ow via a duct along the boiler jacket Combustion chamber stochiometrically designed three zone system completely lined with refractory brickwork 2 3 Refractory with standard fi rebricks instead of manufacturer specifi c mouldedbricks: simple and cheap to replace Secondary Air Supply λ-controlled, with optimized arrangement of nozzles for superior turbulent fl ow Grate screen prevents ash-auger damage by falling debris Heat exchanger cleaning unique high-velocity fl ue gas circulation system avoids emission peaks generated by compressed air blasts automatic de-ashing in preset intervals, with cleaning effect over the entire tube length no interference with combustion process Radiation Arch optimized air fl ow, completely lined with refractory brickwork 9 Anti-Burnback Provisions controlled negative pressure inside the combustion unit thermostatic sensor intervening PLC routine direct-acting thermostatic water dousing system certifi ed power failure protected damper or rotary air valve monitored fuel barrier or 2-fold mechanical separation Feeding System Stoker auger or hydraulic feed system Moving Grate Boiler from >10 kw industrial-scale solution available for commercial applications fuel is evenly distributed and pre dried automatic de-ashing into a single ash receptacle powered by heavy-duty hydraulic or electro-mechanical unit 1 1 Primary Air supply, λ-controlled, with load-dependent distribution to combustion and burnout zone Ash Auger for removal of ash into the central receptacle optional with ash lock or hydraulic de-ash-ram Grate Element made of high temperature cast chromium alloy, separately replaceable 13 1 Industrial Quality Wall thickness (standard): Heat Exchanger mm Boiler base bzw. mm heavy-duty cleaning doors and inspection apertures, functionally arranged Ash Scraper for de-ashing of the entire boiler-base

$Air Heat Exchanger 12 9 2 1 3 11 1 Water-cooled Boiler Jacket completey lined with refractory brickwork λ-controlled combustion with primary and secondary air intake 2 Flame tube large scaled fl ame$ mm Cleaning Door Optimum access to the boiler tubes Space saving rotation and paning hinges Turning Chamber Turning of the fl ue gases out of the Flame Tube Integrated in Cleaning Door Air-to-air

mm Cleaning Door Optimum access to the boiler tubes Space saving rotation and paning hinges Turning Chamber Turning of the fl ue gases out of the Flame Tube Integrated in Cleaning Door Air-to-air

ue gases to a cleaning system Exhaust gas outlet Individual orientation as required Transfer of the fl ue gases to a cleaning system 9 Fresh air outlet Combustion unit Combinable with every HERZ

7 Air Heat Exchanger Water-cooled Boiler Jacket completey lined with refractory brickwork λ-controlled combustion with primary and secondary air intake 2 Flame tube large scaled fl ame tube, free on one side optimized fl ow velocity to reduce dust deposition 3 Boiler tubes Concentrically arranged around the Flame Tube Industrial quality with material thickness of.mm Cleaning Door Optimum access to the boiler tubes Space saving rotation and paning hinges Turning Chamber Turning of the fl ue gases out of the Flame Tube Integrated in Cleaning Door Air-to-air Heat Exchanger Large scaled single pass heat exchanger Proven counter fl ow principle to avoid contamination of the fresh air Exhaust gas outlet Individual orientation as required Transfer of the fl ue gases to a cleaning system Exhaust gas outlet Individual orientation as required Transfer of the fl ue gases to a cleaning system 9 Fresh air outlet Combustion unit Combinable with every HERZ combustion system depending on the fuel 11 Feeding System Stoker auger or hydraulic feed system 12 Fresh air pre-heating Pre-heating of the fresh air via water-to-air heat exchanger. Heat of the burning chamber is used to pre-heat the fresh air, optimising the effi cency assumes no liability for the information, subject to change without notice.

upwards, combinable with all HERZ combustion

$1 Boiler tubes 2 Refractory 3 Heat exchanger$ cleaning Water-cooled boiler jacket

screen Combustion chamber 9 Anti-Burnback

boiler >10 kw 2 12 Primary Air supply 13

8 Steam Boiler Saturated steam boiler Available from nominal capacity of 200 kw upwards, combinable with all HERZ combustion systems, for the production of saturated steam. Working pressure up to 22 barg available, higher pressure on demand. 1 Boiler tubes 2 Refractory 3 Heat exchanger cleaning Water-cooled boiler jacket Secondary Air Supply Radiation Arch Grate screen Combustion chamber 9 Anti-Burnback Provisions Infeed Moving grate boiler >10 kw 2 12 Primary Air supply 13 Industrial quality 1 Ash auger Ash scraper 1 Grate element 1 Steam dome (external or integrated) Hot Gas Generator Available from nominal capacity of 200 kw upwards, combinable with all HERZ combustion systems. For the production of hot ﬂue gases, optional with ﬂow optimized mixing chamber.

9 HERZ customer-oriented... Consulting Delivery Planning Assembling Manufacturing Commissioning Support

into the heat exchanger through a non-return fl ap at high speeds to clean the heat exchanger tubes.

High velocity cleaning at preset intervals without interfering with normal operation.

$Lower temperatures also increase the lifespan of the refractory and the grate.$ The fl ue gas recirculation system is particularly recommended for fuels with either a high calorifi c value, low ash fusion point, or a high nitrogen content.

The fl ue gas recirculation system is particularly recommended for fuels with either a high calorifi c value, low ash fusion point, or a high nitrogen content.

Individually designed setting windows and the included data logging, and also the possibility to integrate the HERZ combustion chamber camera completed the package.

10 Competence is our success... A Automatic High Velocity Cleaning System HV B Flue Gas Recirculation With the HV system the cleaned fl ue gases (after passing the cyclone separator) are blown back into the heat exchanger through a non-return fl ap at high speeds to clean the heat exchanger tubes. Depending on the temperature in the combustion chamber the recirculation system adds a regulated amount of fl ue gas to the combustion air. High velocity cleaning at preset intervals without interfering with normal operation. Prevents dust deposition over the whole length of the heat exchanger pipes, maintaining a constant high ef fi ci en cy Reduces maintenance to 1-2 basic procedures per year Protects against boiler corrosion Because of the greater volume of flue gas in the combustion chamber, more heat is dissipated from here towards the heat exchanger. Lower temperatures also increase the lifespan of the refractory and the grate. The fl ue gas recirculation system is particularly recommended for fuels with either a high calorifi c value, low ash fusion point, or a high nitrogen content. B 3D Visualization A The innovative HERZ 3D Visualization is created from your individual layout plan. Individually designed setting windows and the included data logging, and also the possibility to integrate the HERZ combustion chamber camera completed the package. Capacity and Combustion Control CVP Features a fully modulating computer control that permanently assesses the actual load, adjusts the fuel feed accordingly and matches it with the continuously variable air supply. If an Internet connection is available it is possible to log in to the boiler control unit and make adjustments at any time you want. Reacts dynamically to changes in the combustion process through the Lambda O2 control Variable air volumes are automatically compensated by the integrated negative pressure control Speed-controlled fans minimise electric power consumption Provides an optimal effi ciency over the entire output range of the boiler.

Know-How & Reliability High Overall Efficiency Across the Output Range HERZ boilers achieve efficiency ratings of over 92

The CVP control package gives fully modulating capacity control from 20-0% Speed-control on all fans minimises the electric

with a minimum of maintenance required provides for high availability 1) audit report A-1211-1/1d-0, NUA Umweltanalytik GmbH

automatically adjusting the air intake and/or fuel supply Provides a stable combustion without emissions peaks even where fuel

HERZ offers optimized fi ltration systems for your needs.

3,3to/h Boiler type: DK 0-0 SRF Capacity: 0kW / Dampf ca.

11 Know-How & Reliability High Overall Efficiency Across the Output Range HERZ boilers achieve efficiency ratings of over 92 percent 1. The CVP control package gives fully modulating capacity control from 20-0% Speed-control on all fans minimises the electric power consumption The Lambda O2 regulation improves effi ciency and brings out the most of your fuel High quality engineering with a minimum of maintenance required provides for high availability 1) audit report A /1d-0, NUA Umweltanalytik GmbH Lambda O2 Regulation Uses the exhaust O 2 level as an effi cient indicator for complete combustion: Reacts to fuel variations by automatically adjusting the air intake and/or fuel supply Provides a stable combustion without emissions peaks even where fuel quality varies. Flue Gas Cleaning To comply with the legal emission limits, special fi lters have to be used. HERZ offers optimized fi ltration systems for your needs. Electrostatic precipitators Metal Sleeve fi lters References Boiler type: DK Capacity: 190kW / Dampf ca. 3,3to/h Boiler type: DK 0-0 SRF Capacity: 0kW / Dampf ca. 1,3to/h Boiler type: RRK RRF Capacity: 00kW Boiler type: RRK u. RRK 00 Capacity: 300kW u kw Boiler type: RRK SRF Capacity: 00kW Boiler type: RRK TSRF Capacity: 300kW Boiler type: x RRK and 2x RRK SRF Boiler type: SRF Capacity: 0kW Boiler type: SRF Capacity: 3000kW Boiler type: -M TSRF Capacity: 000kW assumes no liability for the information, subject to change without notice. 11

CANADA CROATIA LATVIA LITHUANIA LUXEMBOURG NETHERLANDS NORWAY AUSTRIA POLAND PORTUGAL ROMANIA RUSSIA

reserve the right of errors, misprint, typographical failures and technical modifi cations!

Mentioned and illustrated discharge systems are system-dependent and only available as an option.

12 Business partners in... BELGIUM BULGARIA DENMARK GERMANY ESTONIA FINLAND FRANCE GREECE GREAT BRITAIN IRELAND ITALY JAPAN CANADA CROATIA LATVIA LITHUANIA LUXEMBOURG NETHERLANDS NORWAY AUSTRIA POLAND PORTUGAL ROMANIA RUSSIA SWEDEN SWITZERLAND SERBIA SLOVAKIA SLOVENIA SPAIN SOUTH AFRICA CZECH REPUBLIC UKRAINE HUNGARY We reserve the right of errors, misprint, typographical failures and technical modifi cations! Data about our products are not guaranteed characteristics. Mentioned and illustrated discharge systems are system-dependent and only available as an option. In case of discrepancies between documents with regard to the scope of supply the information in the current offer is valid. All images are representations as a symbol and serve only to illustrate our products. Your partner: d HERZ Energietechnik GmbH Herzstraße 1, 23 Pinkafeld Österreich/Austria Tel.: +3(0)33/20-0 Fax: +3(0)33/ Mail: offi ce-energie@herz.eu Internet: HERZ biomass systems fall below the strictest emission regulations.

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