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INDUSTRIAL SERVICE FOR CONVENTIONAL

POWERPLANTSAND INCINERATORS

.kk-s.dBuhn ... h h o ndusy


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THE SPECIALIST FOR INDUSTRIAL SERVICE IN CONVENTIONAL POWER PLANTS AND INCINERATORSKratwerKService

BUcHeN KratwerKService tHe SPecia-

LiSt Or iNDUStriaL Service iN cONveNtiO-

NaL POwer PLaNtS aND iNciNeratOrS

Buchen KratwerkService oers services to the operators

o conventional power plants, thermal waste treatment

plants and industrial incinerators and steam boiler plants

throughout Europe, which range rom consulting or the

cleaning and decontamination o systems and system

components up to waste management. We create indi-

vidual service packages customized to your needs; this

helps minimize your coordination and work expenses

and simplies your process procedures during revisions.

For disruptions and emergencies, our 24-hour service

is available day and night under the national hotline

0800-7177-111.

wh ok o you:

Feed hoppers

Container/steam generators

Turbines

Condensers

Ash removal

Primary air preheater (LUVO)

Gas preheater (GAVO)

Exhaust denitrication systems (DeNOx)

Dust extraction plants (E-lter)

DESOX plant (REA)

Coolant systems and towers

Piping and canals

Tanks

Instruments and containers Heat exchangers

Chimneys

And a lot more

SCHWEDT(Ausbildungszentrum)

COTTBUS

INGOLSTADT

BURGHAUSEN

STADEBRUNSBTTEL

HAMBURG

ROSTOCK

MERSEBURG

KLNDUISBURG/BOCHUMVOERDEMARL

BRAMSCHE

KARLSRUHE

GRENZACH

LUDWIGSHAFEN

VOHBURG

BERLIN

ABOUT THE BUCHEN GROUP

The Buchen Group is an internationally active service

provider, who sets standards in the industrial service,

waste and decontamination markets. We invest our ull

eort every day at over 60 locations in Germany, Eu-

rope and the Middle East in order to oer our customers

proessional industrial service. We know that our 2,300

employees are the greatest capital o the Buchen Group.

That is why we keep their technical knowledge and abili-

ties up to date through regular training and education

programs in our certied training centre. All areas o the

Buchen Group are certied throughout Europe in regards

to quality, saety, health and environment management.

Furthermore, all locations in Germany in which we oer

waste management services are certied as specialists.

The companies rom our Group combine basic valuesthat help our customers become more successul and pre-

serve the environment.


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In order to provide good technical availability and reli-

ability, the operators count on competent partners or the

on-time execution o required repairs and cleaning work.

This is the only way that their delivery and acceptance ob-

ligations can be maintained. The basis or operation and

maintenance is the constant cleaning o the system.

Waste incineration does not occur without residues. Due to

the chemical and physical properties o the combustibles,

caking, waste and incrustation orm on the heating areas

o the steam generator. These hinder the transer o heat,

lead to an increase in the systems power needs due to the

increased fow resistance and in extreme cases, this may

even result in total ailure. For these reasons, regular clean-

ing o the system is indispensable.

Good planning and its implementation in combination with

an operating team and external partners is the requirement

or a quick cleaning and rapid restart o the system.

Ou podus:

Sandblast procedure

Dry ice blasting technique(CO2- lasting)

Vacuum stream procedure

as o pplon:

Mechanical basic cleaning o all heating suraces

Removal o ramming mass

Blooming o suraces

Descaling

Removing rust

Surace preparation or coating work

Preparation o measuring points

Fire damage restoration Turbine/machine cleaning

UNDerPreSSUriZatiON/

SUctiON Drat rePLaceMeNt

I the suction drat is out o order during a revision, we

are able to provide or an adequate replacement with

our mobile high-power vacuum dust extracting systems.

O course, we also oer this service or unplanned dis-

ruptions.

You bnfs gln:

Extraction and ltering o dust in order to protect the

direct environment rom contamination

Replacement o the acilitys suction drats i needed

Depending on the requirements, provision o devices

with dierent power classes and volume capacities

Filtering either through a bag or cartridge lter Filling o the dust into the bunker or big-bags

BOILER CLEANING


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Our mobile suction vehicles and high-perormance air

conveyors are approved according to GGVSE/TRbF

and develop a suction power o up to 8,100 m3/h. This

enormous amount o power and an operating radius o

around 300 m without changing the location allows or

the extraction o dusty, dry, pasty or liquid materials.

For dangerous dusts, we have lters with the dust pro-

tection class H. The removal occurs through dumping,

lling in big bags or blowing depending on the local

circumstances.

th podu s dl o:

Dusty goods Dry material Pasty products Liquid goods

Hazardous goods

EXTRACTION


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Residue is created in all production systems. Everywhere

where a smooth work process depends on the optimal

throughput in systems or pipes, our automated or manual

water-jet high-pressure cleaning can be used. It is envi-

ronment-riendly and conserves the materials.

Because the cleaning process does not occur with the

help o chemicals, but rather purely mechanically

through pure water power. We have the required techni-

cal know-how and corresponding equipment or all areas

o application:

The drive powers o our high pressure pumps reach up

to 600 kW. Depending on the degree o contamination,we use pressures o up to 2,500 bar.

w h opml lnng suls o h ol-

long s o pplon:

Stubborn deposits on heat exchangers

Algae and copper rust residues in the interior o ce-

ment and wood cooling towers

Incrustation in pipes

Removal o coating and lining

Cleaning o tanks, containers and systems

HIGH PRESSURE WATERCLEANING


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Air coolers and air condensers in power plants are sub-

ject to the recondensation o water that drives the turbines

when it is in a steam orm. These are heat exchangers

with nned pipes or cooling the medium through ex-

changing heat with the surrounding atmosphere.

Through contamination and deposits, the heat exchange

is lowered in the air cooler, the condensation process is

hindered and the eciency o the power plant decreas-

es.

Buchen KratwerkService developed an automated high

pressure cleaning procedure specializing on the proper-

ties o air coolers and air condensers in order to clean

these sensitive systems in a preserving and ecient man-ner. With a combined ladder and slide system, it is pos-

sible to clean large suraces o the air cooler in a short

amount o time.

The semi-automated procedure is used or ne work

where the cleaning sleds are controlled by qualied spe-

cialists by remote control.

You bnfs gln:

Clear increase in eciency Optimal degree o cleaning

Shortened cleaning time

Directed beam control

Increase in the degree o eciency

Material-preserving

The large number o jets allows or the simultaneous

cleaning o a larger area

Increased work saety

AIR COOLER CLEANING


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Contaminations on the heating suraces o primary air

preheaters lead to problems during operation. The heat

transer is dramatically reduced through this and the

back-pressure in the system increases. The consequenc-

es: Forced drat ans and suction drat ans are hindered.

The eciency o the system decreases considerably.

Buchen KratwerkService has developed a ully automat-

ed, computer-controlled system or water high-pressure

cleaning o primary air and gas preheaters. This mature

procedure is mobile, works in a sel-sucient manner

and only requires electricity and water.

It allows you to clean heating suraces o primary air

preheaters with a very high degree o cleaning using the

water high pressure procedure aster and more ecient

than ever.

You bnfs gln:

Highest degree o cleaning

Shortened cleaning times

Longer system availability

Shortening o downtime

Considerably improved heat transer

Considerable reduction o the p (dierential pressure)

Directed beam control

Either electrical or diesel operation

Optional: Takeover o sewage management

LUVO CLEANING


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With chemical cleaning, we can remove stubborn attach-

ments on and in system parts. Here we determine the

selection and dosing o the solvent individually or each

case. We use this procedure wherever the constellation

o material and contamination makes it necessary or iwe can obtain better cleaning results with this procedure.

For example, in hard to reach system areas. We pro-

essionally treat and minimize the accrued residue. On

request, we can also take care o the disposal.

w h opml lnng suls o h ol-

long s o pplon:

Combustion chambers

Heat exchangers

Superheaters

Convection zones

Primary air preheaters

Containers

Pipes

Fixtures

The object o chemical circulation cleaning in fuid sys-

tems is to restore bare, metallic suraces in heat exchang-

ers, condensers and coolers. Coatings o scale, iron,

magnetite or biolm are removed rom pipes. Losses dur-

ing heat transer are reduced in the devices, energy costs

decrease and the lie cycle o a system or o the system

parts is extended dramatically.

You bnfs gln:

Saving o assembly times (dis- and reassembly)

Cost benets: No scaolding and liting equipment

required

Decrease in energy costs Restoration o the perormance values to a new

device level

Extension o the system run times

Bo a

CHEMICAL CLEANING

CLEANING IN PLACE (CIP)


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perature camera or this purpose, which allows us to

execute a boiler or system inspection during operation.

The situation in the system can be precisely analyzed

through a monitor. The conditions ound have a direct

infuence on the planning o the most eective way to

take care o the disruption. Thus, or example, with an

intended explosive cleaning, the detonation process

and required dosing can be calculated in advance. The

recordings can also be documented on video.

th m n b usd o h lolzon

nd luon o:

Damaged areas (rips in the pipes, etc.)

Caking (which hinders an optimal operating state)Leaks (heating suraces, pipes, canals, etc.)

Flame patterns

Flow conditions

For the removal o dust, dirt and product deposits in

combustion chambers rom giant boilers and in modern

fuidised bed boilers or in downstream systems or ex-

haust gas treatment, detonation cleaning is used within

the scope o planned downtime in the ofine procedure

and during the running operation in the online proce-

dure. While cleaning the deactivated systems, the rst

saety cleaning through detonation cleaning can occur

during the cooling phase and large amounts o deposits

can be quickly reduced to conveyable, small pieces.

We use industrial climbers or hard to reach areas. Det-

onation cleaning technologies can be combined with

conventional cleaning procedures.

You bnfs gln:Reduction o the planned downtime

Decrease in costs through savings on equipment

High personal saety during the preparatory work

or the downtime

For cleaning while in operation, the system saety is

guaranteed by maintaining the temperature o the load

under 70 C. The increase in the operating times, high

personal saety, saving o equipment and avoidance o

residues rom conventional cleaning materials are all

important benets o detonation cleaning. A special

camera guarantees the visual state detection beore and

ater the cleaning is done in the system.

HiGH teMPeratUre caMera

It is oten the case that contamination cannot be pre-

cisely located in large combustion plants. Even i a de-

viation rom the normal values is determined through

the system sensors, this says nothing about the size and

quality o the cause. For eective cleaning and the de-termination o the ideal cleaning process, it is important

to precisely determine the type, scope and position o

the contamination or disruption. We use a high tem-

DETONATION CLEANING


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Strong adhesive contaminations, also on hard to reach

areas o the respective system parts, can be removed

eectively with the industrial canon aimed directly at the

problem. With the manually operated industrial canon,

you shoot plastic balls lled with water at high speeds

against the walls in the boiler or industrial systems, which

are encrusted with deposits. The energy released upon

impact causes the immediate dissipation, removal and

breaking o deposits. You can also use plastic balls lled

with sand or metal scrap.

The accuracy o the industrial canon is 1 square meter

with a range o 100 meters. Due to the good accessibil-

ity o nearly inaccessible areas, potential saety hazards

in systems caused by deposits can already be repairedrom a sae distance, beore entering the acility.

A unctional re-proo system is an important actor or e-

cient incineration in a lot o combustion plants. Connectors

between the boiler tube and re-proo coating are metallic

anchoring elements (studs). These are primarily attached

through the stud welding process.

You bnfs gln:

Removal o old studs, or example, boiler boats, well

anchors, plate holders

Face grinding o old anchoring elements

Delivery and proper welding o dierent anchor types

according to individual customer requestsConsulting services about material qualities and

anchor types

INDUSTRIAL CANON

until 100 m

Contamination

Laser-aim-device

mpulse-shoot-cannon

80 mm projectile

Depending on use optinal filled

with water, sand etc.

STUD WELDING/STUD REMOVAL


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At hard to reach areas, conventional scaolding meets its

technical and economical limits. This is where the rope-

supported elevated work is used or cleaning, testing and

inspecting and or maintenance work.

Specialized elevated workers provide or proper and e-

cient operation.

You bnfs gln:

Sae services at hard to reach areas

Rope-supported industrial climbers

Saety cleaning

Tests and inspections

Flexible and astest possible use

No or low downtime through dis- and assembly times Cost benets through no scaolding and liting equip-

ment

Innovative rope-guided and supported industrial cleaning

through dry and wet blasting processes as well as weld-

ing work and wall thickness gauging have proven to be

economical alternatives in many projects.

ELEVATED WORK


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FURTHER SPECIAL SERVICES

waLL tHicKNeSS GaUGiNG

A test o the pipe wall thicknesses is requently executed

ater the cleaning o boiler systems rom ossil-uel pow-

er plants or waste burning plants. We use the newest

measuring technology to measure the wall thickness.

The measuring devices have a high perormance probe

so that it is possible to perorm optimal measurements,

even at higher object temperatures... The recording oc-

curs through an integrated measurement data memory,

which supports grid ormats and is designed or up to

50,000 values. Furthermore, min. and max. values and

alarms and dierential measurements can be executed

in order to allow or an immediate comparison between

the measured and nominal wall thicknesses. The lesare transported to a PC through a Mini USB Com Port

and then imported in Microsot Excel.

caNaL-tv-iNSPectiON

With the most modern camera systems, we inspect

systems, pipes and canals. Here, we cover all uses in

non-accessible and accessible areas up to ex-areas. The

inspection vehicles used or the TV canal inspections are

state-o-the-art.

caNaL cLeaNiNG

We reliably clean canals and lines up to DN 2,000

with combined suction and cleaning vehicles, which are

used to extract and transport the residues. All vehicles

are approved according to GGVSE/TRbF.


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SLUDGe treatMeNt

We treat sludge and suspensions and drain them so

that the amounts o waste are reduced. We use power-

ul decanters, centriuges or chamber lter presses or

this. We would be happy to dispose o the residue on

request.

MaNUaL cLeaNiNG

Despite all mechanical equipment and progressive au-

tomation, manual work is still indispensable in certain

areas. Our trained personnel execute this quickly and

proessionally.

DecONtaMiNatiON

In regards to decontamination, we execute decommis-

sioning, dismantling and decontamination projects.

Here we use our know-how rom our dierent areas o

expertise and bundle it with individual complete pack-

ages rom one source. The concentrations here are in

the decontamination o contaminated land and build-

ings and system dismantling.

waSte MaNaGeMeNt

Cleaning work is normally connected with waste tasks.

On the basis o legal regulations, we work on integrat-

ed concepts or the management and removal o waste.

Our oer reaches rom the collection to the storage,

classication and declaration up to the transportation

and treatment o all types o waste in our own waste

management acilities.

No s you un:wh n do o you?

FURTHER SPECIAL SERVICES


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OUR EMPLOYEES

Training as a breathing apparatus wearer

HD-training (theoretical and practice)

SCC training and test

Trained ork lit operators (50%),

rst aid workers (30 %) and

Saety ocers (15 %)

Own saety ocers

Own breathing protection apparatus workshops

* Saety instructions are documented in the saety pass

The abilities o our employees are the basis or our suc-

cess. Continual training and education guarantee a wide

standard o qualications among our skilled workers.

KkS sklld oks

DEKRA-certied basic training skilled workers or

sandblast work

Systematic guarantee o general and activity-related

instructions (SAP-monitoring)* Medical screening according to G 1.4 / 2 / 8 / 20

/ 25 / 26.3 / 30 / 32 / 40 / 41

Condent knowledge o German


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OUR CERTIFICATES

Quality management ISO 9001 Saety management SCC** Specialist Company in accordance withGerman Water Act 19 l WHG

VGB SeSaM Qualication DEKRA evidence o conormity

Ou qulfons

Personnel qualication or activities as

an industrial cleaner

HD-cleaning specialist

HD-machine operator


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Buchen KratwerkService GmbH

Emdener Strae 278

D-50735 Kln

Phone: +49 (2 21) 7177-0

Fax: +49 (2 21) 71 77-111


Stadtring 3

D-03042 Cottbus

Phone: +49 (355) 7 35-490

Fax: +49 (3 55) 7 35-491


Industriestrae 953

D-50345 Hrth

Phone: +49 (22 33) 94 60-54

Fax: +49 (22 33) 94 60-55


An den Rohrackern 2

D-06217 Merseburg

Phone: +49 (3461) 5 56-151

Fax: +49 (34 61) 5 56-444

[email protected]

.buhn.n


Freiheit 24-25

D-13597 Berlin

Phone: +49 (30) 35 13 03-42

Fax: +49 (30) 3513 03-41

Biermann Hochdruck-Strahltechnik GmbH

Wiescherstrae 92

D-44805 Bochum

Phone: +49 (2 34) 8 91 85-0

Fax: +49 (2 34) 8 91 85-20


Hohe-Schaar-Kamp 9

21107 Hamburg

Phone: +49 (40) 74 20 00-101

Fax: +49 (40) 74 20 00-100


Kreuzholzstrae 3

67069 Ludwigshaen

Phone: +49 (621) 6 68 85-25

Fax: +49 (621) 6 68 85-23

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