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relevant actuators. The minal diameters of the screens have been adjusted to respond to the developments in power station technology and are produced in sizes from nominal diameter 150 mm to 3600 mm. The cleaning ball diameters range from 14 to 30 mm and filling one collector normally requires several hundred of them. However, some cleaning systems can require well over a thousand cleaning balls. The lifetime of the cleaning balls which are produced of biodegradable natural rubber is around 4 weeks.
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222:, the process which was marketed and further developed by Taprogge GmbH was widespread and very well received in the power stations due to its efficiency. The efficiency of the power stations that are equipped with the systems increases by around 2 – 4%. The cleaning process became well known and the name "Taprogge System" has been used in the technical literature.
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that is opened during the backwash process. The accumulated fouling is drawn off and discharged via the pipe which, downstream of the condenser, leads to the main cooling water pipe or a debris container. This technology was spread in power stations and industrial plants the world over. Depending on
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To avoid economic losses caused by shutdowns, Josef
Taprogge invented a continuously working cleaning system which kept the condenser free from fouling during the operation of the steam turbine. A prototype was installed into the cooling water pipe leading to the condenser. During the time of the
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and can be turned on demand to have fouling removed by the water flow. In this process the balls are caught in the collector. This time-consuming procedure is automatized (3c) meaning there is no need to close the plant for cleaning or interrupting plant processes. Gear motors (M) operate the
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has a particularly corrosive effect, excellent corrosion resistant yet heat conducting materials (like
Titanium) have to be used for such systems. Due to the large tube diameters in the evaporators, the cleaning balls have diameters of up to 45 mm.
361:. Foreign matter will first settle on the filter surface. As fouling builds up, differential pressure between filter inlet and outlet increases and the filter has to be cleaned by backwashing. For this purpose an electrically driven
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with plain filter surfaces. It is cleaned by pressurized air blast. In contrast to submarine rakes for seaborne matter, the stainless steel filter has no moving parts and masters biggest water flows. The filter surfaces are made of
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system – in this way the entire system and the long cooling water pipes can be protected. The system called TAPIS (Taprogge Air
Powered Intake System) is installed in the water at the cooling water pipe inlet in the form of a
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254:(2) is installed in the connecting pipe which separates the balls from the water flow and feeds them into a DN 80 pipe. From there the balls are pumped back to their starting point by a 4 kW
676:, Schildmann, Hans-Werner; Altegoer, Dietmar & Kretzschmar, Rainer, "System for cleaning tubes of heat exchangers and cleaning bodies for use in the system", issued 2006-06-06
270:. At open flap, the balls can pass and with closed flap they remain in the collector and can be replenished or exchanged. The process works continuously and the tubes remain free of
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PR Newswire (2023-01-26). "Automatic Tube
Cleaning System Market worth $ 143 million by 2028 - Exclusive Report by MarketsandMarkets™: PR Newswire US".
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the flow rates to be filtered, the filters are produced in nominal diameters from 150 mm to DN 3200 mm. The filter surface consists of
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The patented process uses sponge rubber balls which are injected into the cooling water flow (1) before it enters into the condenser. The
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on their way through the condenser tubes by which fouling is removed from the inner tube walls. At the condenser outlet a
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144:. The company is named after founding brothers Ludwig and Josef Taprogge. Founded in 1953, the company is known for its
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Heat
Exchanger Fouling, Fundamental Approaches and Technical Solutions; Editor: Prof.Dr.-Ing. Hans Mueller-Steinhagen
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can be used. A further type produced by the company are fine filters with filtration degrees from 50 to 1000 μm.
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Since the late 1990s, Taprogge offers another filter system which retains fouling already at the intake into the
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range was extended by backwash filters to protect the heat exchangers and condensers from macro fouling, like
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of the cleaning balls is only slightly bigger than the nominal diameter of the condenser tubing. Due to their
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with detachable cover is installed downstream of the pump. This so-called collector (3b) is equipped with a
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covers the filter surface which is connected with a pipe leading outside. Installed in this pipe is a
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condenser tubes. Cleaning had to be performed while the turbine was out of operation, with the
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to the grid during the turbine outage. On the other hand, the careful elimination of
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525:. Power Engineering. Vol. 113. Clarion Events, Inc. 2009-12-01. pp. 59–75.
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Schematic representation of the cleaning process and of the filtration technology
588:, Josef, Taprogge, "Self-cleaning heat-exchanger", issued 1962-02-13
569:, Josef, Taprogge, "Self-cleaning heat exchanger", issued 1957-08-06
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A specialized technology is the production of tube cleaning systems for
650:"Taprogge cleaning system: make condenser more clean with rubber balls"
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459:"Standortprofil Wetter (Ruhr): Wirtschaft und die größten Unternehmen"
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606:"Comparing 2 Condenser Cleaning Systems: Brushing vs. Sponge Ball"
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for water-cooled shell and tube heat exchangers and condensers.
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holes. For difficult types of debris, filter surfaces of
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via a DN 80 pipe. To inject the balls into the cycle, a
54:. Unsourced material may be challenged and removed.
198:from inside of the tubing is important for a high
202:in the condenser and thereby for the optimal
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182:and was responsible for the cleaning of the
333:Backwash filter with large nominal diameter
523:services. (Cover story): Power Engineering
744:Companies based in North Rhine-Westphalia
114:Learn how and when to remove this message
481:"Chris Lloyd: Taking a Taprogge to task"
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316:plants. As the heated seawater called
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234:A typical assortment of cleaning balls
398:Airflushed intake filter called TAPIS
167:Invention of the tube cleaning system
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52:adding citations to reliable sources
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286:. The operation of the system is
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39:needs additional citations for
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190:not being able to supply any
604:Poels, Hubert (2023-11-21).
174:was a turbine engineer in a
479:Lloyd, Chris (2018-02-15).
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325:Debris filtration systems
246:they generate a contact
150:steam turbine condensers
461:(in German). 2023-03-27
541:Mechanical Engineering
419:plastic provided with
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720:51.39361°N 7.35417°E
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48:improve this article
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46:Please help
41:verification
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674:US7055580B2
654:Geckointech
176:power plant
738:Categories
708:51°23′37″N
659:2024-07-12
635:2024-07-12
611:2024-07-12
586:US3021117A
567:US2801824A
490:2024-07-12
465:2024-07-08
445:References
427:Literature
409:polyhedral
292:electronic
244:elasticity
204:efficiency
74:newspapers
63:"Taprogge"
711:7°21′15″E
553:0025-6501
288:monitored
136:based in
127:Taprogge
104:July 2024
311:seawater
303:bearings
280:bacteria
252:strainer
248:pressure
240:diameter
749:Fouling
423:holes.
421:drilled
412:housing
380:plastic
376:punched
359:mussels
355:plastic
339:product
284:scaling
218:German
206:of the
196:fouling
184:turbine
178:nearby
161:filters
142:Germany
134:company
88:scholar
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417:coated
351:fibres
343:stones
299:shafts
266:and a
264:screen
208:energy
200:vacuum
158:debris
138:Wetter
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384:grids
374:with
367:valve
363:rotor
318:brine
276:algae
180:Essen
95:JSTOR
81:books
549:ISSN
434:ISBN
347:wood
282:and
268:flap
156:and
129:GmbH
67:news
545:118
382:or
272:mud
50:by
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