Thermal apparatuses
Vapouriser-Unit for recovery of mercury.
Thermal apparatuses Thermal apparatuses

Thermal apparatuses

Process engineering processes, such as thin film evaporation, are complex procedures that require an exact design - from feasibility studies, process engineering considerations, engineering outputs, laboratory and pilot tests and their implementation and installation, up to commissioning and maintenance. For the process industry, too, Kremsmueller supplies concepts that cover the entire life cycle of a plant.

  • Evaporation technology
  • Vapouriser
  • Reactors
  • Columns
  • Heat exchanger
  • Tank construction
  • Thin film evaporator
  • Thin film and short path evaporator 0.1m² - 100m²
  • Thin film dryer 0.1 – 100m², vertical, horizontal
  • Thin film and short path evaporator systems
  • Vapourising systems (multi-stage, mechanical or thermal vapour compressors)

Extract from the range of services
  • Feasibility studies
  • Process engineering considerations of vapourisers (according to Lauterbach)
  • Basic engineering
  • Detail Engineering (Inventor, AC plant 3D)
  • Debottlenecking of systems
  • Process engineering optimisations of plants (thermal)
  • Laboratory and pilot tests
  • Production
  • Installation
  • Commissioning
Back to the performance portfolio
Kremsmueller Linz in the immediate vicinity of voestalpine
Kremsmueller Linz in the immediate vicinity of voestalpine
We are equipped for everything at the Linz Lunzerstraße site.
Kremsmüller with its branch in Lunzerstraße is very close to voestalpine AG in Linz. This immediate proximity to the large industrial plants offers a real competitive advantage! More than 80 employees are currently employed at the 8,000 m² site and work in diverse halls and trades on the voestalpine premises. Among the many different halls there is also a production hall including a 10-ton truck-mounted crane. This is where we prefabricate what is needed at voest − speedily and flexibly. We would like to use this video to introduce the Lunzerstraße site and our great team to you. We hope you have a lot of fun watching it!
January 2020
Superlative Containers for Borealis Schwechat
Superlative Containers for Borealis Schwechat
A separate motorway exit was even constructed for transportation
Again and again huge components depart the Kremsmüller production halls. As a result, extremely complex and demanding special transport operations are frequently called for. A particularly sophisticated transport has now hauled two 90 tonne containers, each 4.1 metres in diameter, from Kremsmüller in Steinhaus to Borealis in Schwechat. A new motorway exit even had to be constructed at the destination to allow the huge containers to pass safely. The containers themselves also offer a certain degree of ingenuity. Boasting a double-walled design, they are actually a container within a container, with an intermediate space of 12 millimetres. A coating of glass-fibre-reinforced plastic (GRP) with a minimum thickness of 2 millimetres was applied to form the shell. The containers will be completely buried horizontally in the ground at their destination to guarantee constant climatic storage conditions. Florian, our foreman in the workshop, can be justifiably proud of the work of his crew. Impressive components and a splendid project, completed by our employees to the customer's complete satisfaction! To the image gallery here
June 2019
The Largest Container Ever Built by Kremsmüller
The Largest Container Ever Built by Kremsmüller
The largest tank ever constructed by us was erected in Lower Austria. The data alone are impressive: 40 metres in diameter, 17.5 metres in height and a total weight of 365 tons. A tank with these dimensions is not manufactured as a whole, but in so-called "shots", i.e. individual elements (rings). These are then deployed one by one. To do this, 40 hydraulic jacks positioned around the container lift it by 2.5 meters, after which a new "shot" is inserted. Each of these "shots" in turn consists of many sub-segments. A total of more than 32 consignments were required to deliver all the components of the tank. Kremsmüller has already built many large containers and tanks, some with a diameter of 24 or 26 metres, but the 40 metre diameter of the new tank and its capacity of approximately 22,000 m³ set new records. The embedded video above presents some impressions of this remarkable tank.
April 2019
Tanks 32m in Length for Lenzing AG
Tanks 32m in Length for Lenzing AG
The production, delivery and assembly of the O-stages posed a very special challenge.
The reason for this were the enormous dimensions of the containers, 2 x 32 metres long and 1 x 15 metres long. The decisive factor in awarding the contract was twofold. On the one hand, it was our expertise in the processing of duplex steel, that is to say steel with a higher strength that permits thinner wall thicknesses. On the other, it was also down to our excellent cooperation with Lenzing AG over many decades and the good reputation this has earned us. Kremsmüller is synonymous with experience, quality and adherence to delivery dates. Consequently, the delivery and assembly of the 32m containers went according to plan. The main road adjacent to the plant site was closed for delivery, and a crane then lifted the steel giants over an embankment onto the site. Although strong winds delayed the installation of the tanks by half a day, everyone was very satisfied with the progress and quality of the work carried out.
January 2019
Blast Furnace Gas Scrubber Constructed of Duplex Steel Impresses
Blast Furnace Gas Scrubber Constructed of Duplex Steel Impresses
Kremsmüller implemented a major project for voestalpine and constructed an impressive blast furnace gas scrubber.
33.5 meters high, 6.5 meters in diameter and weighing approximately 180 tons - these are the key data of the blast furnace gas scrubber manufactured for voestalpine by Kremsmüller, a project that was implemented in a production hall located outside the voestalpine site due to its enormous scale. Kremsmüller was awarded the contract once again because the experts were able to incorporate decades of experience, knowledge and know-how in the run-up to the project. The blast furnace gas scrubber serves to clean and cool the blast furnace gas, which is produced as a by-product gas in the blast furnace process. By injecting process water into the gas stream, the dust components are washed out and the gas pressure is regulated to the steel mill gas pressure. In this way, the blast furnace gas can be used for energy generation or as a heating gas in the process. While the blast furnace gas scrubber was originally tendered in carbon steel, Kremsmüller was the only supplier to present an additional version in Duplex. Ultimately, it was precisely this proposal that was successful because of its major technological advantages: There is no need for an internal coating, thus eliminating inspection and maintenance downtimes for internal corrosion protection; insulation is unnecessary; there is a reduction in weight, etc. The entire project was managed by a team of experts from three regional companies. Kremsmüller's Apparatus and Tank Construction Department was responsible for the entire gas scrubber manufacturing process. For voestalpine, this partner strategy provided decisive synergies. "Thanks to the collaboration between the long-standing business partners and the customer voestalpine, the decision-making paths were short. Technical modifications could be implemented quickly and flexibly. Manufacturing on the doorstep enabled voestalpine to provide constant quality monitoring and production support," comments the Kremsmüller project manager with satisfaction at the process. The voestalpine project manager also sees it this way: "Even in times of globalization, the advantages of local, highly qualified partner companies predominate when it comes to the implementation of technically challenging projects with demanding schedules. The project ran over one and a half years. It took just under seven months to construct the scrubber which was completed on schedule to the customer's complete satisfaction.
September 2018
Storage Tanks Designed to Withstand Earthquakes
Storage Tanks Designed to Withstand Earthquakes
From the initial idea to on-site assembly, everything originated from a single source and was undertaken in-house.
The company Hollu Systemhygiene modernised and expanded its production, requiring eight new storage tanks for alcohols. The prerequisite: the supplier should have the necessary expertise to provide an entire range of services from engineering and manufacturing through to transport and assembly - a project tailor-made for the "United Skills of Kremsmueller". Based on the plans drawn up by us, five 30m³ storage tanks each with a diameter of 2.5m, and three 60m³ tanks, each with a diameter of 3.5m, were constructed. All the tanks were about 8m high. Two facts make this venture special. Firstly, Zirl (near Innsbruck) is located in Austria's highest earthquake zone 4. This meant that ground movements had to be taken into account in the calculations (with regard to lateral acceleration, etc.). The connection of the pipe feet to the tank had to be sufficiently dimensioned. The thickness of the lower base at 8 mm is twice as thick as normally required. Secondly, polished stainless steel was used for the tanks. Kremsmüller has rarely accommodated such shiny sheet metal in its production. Machine-polished material has a very even surface. Every scratch, even fingerprints, once visible are virtually irreversible. Great care and attention were therefore required when handling the material. Using special transport the eight tanks were moved 300 km to Zirl. After lifting the tanks into place, special technology was used to prevent damage to the pre-sealed base. With the help of a modular air cushion transport system and not with conventional heavy-duty rollers, the tanks were shifted, placed in exactly the right position and then secured by means of special adhesive anchors. "Getting everything from one source was a basic condition for Hollu. In addition, our modern machinery convinced them that we could also produce the tanks they required in an appealing quality. Ultimately, the customer was highly delighted with the clean workmanship á la Kremsmüller. It is possible that we will be on board again in the next expansion phase in one to two years from now," enthuses the Kremsmüller project manager optimistically. Walter Primus, Head of Technology at Hollu Systemhygiene: "During the entire course of the project we felt the support we received from sales and technology at Kremsmüller could not have been better!
August 2018
A Shared Venture at the IFAT and ACHEMA
A Shared Venture at the IFAT and ACHEMA
In cooperation with its partner Kanzler Verfahrenstechnik (KVT), Kremsmüller presented a completely new process for treating sewage and industrial sludge and for recovering the resources stored within.
As previously mentioned, Kremsmüller decided to participate for the first time in the company's history at IFAT in Munich - THE leading trade fair worldwide for environmental technologies, wastewater, waste and raw materials management. In retrospect, this decision was the right one. Appearing jointly with Kanzler Verfahrenstechnik and focusing on the ThermoDec process technology system was a magnet for visitors, attracting an audience of curious specialists and forging promising contacts. Guests from the Asian region in particular were impressed by this unrivalled product. After the IFAT in May, the ACHEMA in Frankfurt followed a month later. This leading trade fair for the chemical industry is not quite as narrowly focused. In addition to ThermoDec, the companies behind it - KVT and Kremsmüller - were also presented in detail. Packed with screen presentations and VR stations, the portfolio could be ideally demonstrated. In the future, both fairs will constitute major events in the calendar. Planning has just started for the Chemshow Eurasia in Istanbul in November this year - the last specialist trade fair for 2018. More information about ThermoDec can be found here.
July 2018
Largest Tank Since the Company was Founded
Largest Tank Since the Company was Founded
Kremsmueller manufactured a 7,500 m3 double jacket tank with a double bottom for a German chemical company.
The VAM (vinyl acetate monomer) storage tank has a capacity of 7,500 m3. It is a flat-bottom tank in accordance with DIN 4119 with collecting trough and double-bottom vacuum-monitored and strengthened conical roof including steel construction for inspection. The entire container is about 22 metres in diameter, about 28 metres high and weighs 303 tonnes. The tank was not insulated, i.e. the outside had to have a top-class appearance. The equipment includes a mixing system for mixing the medium, and externally operated annular fittings. The functionality of the mixing system had to be proven in advance by means of a flow simulation. This is the only way to ensure that the maximum possible filling quantity is mixed in the tank within the specified 12 hours. Computationally, the complete mixing takes place in 5 hours. After completion, the mixing system was subjected to a probation test with water, in which it was proven that the jet does not break through the liquid surface at the minimum filling level. But this was not the only challenge in this project. The tank and the tub had to be completely pickled inside and outside, under the highest safety precautions with protective scaffolding. In addition to the tank standards, German construction law had to be observed. The German TÜV organisation supervised the project during construction. The high quality standards were once again met to the fullest satisfaction of all. In 2011, Kremsmuelller had already built two similar, slightly smaller tanks - a decisive advantage at the start of the project. This enabled our experts to contribute their knowledge as early as the planning phase and provide optimum support to the customer.
May 2018
Three Divisions at Paper Mill Shutdown
Three Divisions at Paper Mill Shutdown
Industrial Plant Construction, Apparatus and Tank Construction along with Pipeline Construction were involved in the conversion of the digester filling stations.
Kremsmüller received several commissions from Smurfit Kappa in Nettingsdorf. The Industrial Plant Construction, Apparatus and Tank Construction and Pipeline Construction departments worked closely together on the digester filling systems for pre-damping wood chips. The plant engineering team was responsible for renewing the wood chip silo discharge. The new silo floor was delivered in three parts and subsequently assembled. In addition, the team installed two new discharge screws and a feed screw with drives. Replacing old screws with new ones had to be accomplished during a nine-day shutdown. During this period, the Tank Construction Division also exchanged the filters on four digesters. The work was completed on schedule thanks to excellent coordination and many years of experience in the paper industry. The Pipeline Construction Division also contributed significantly to the overall project. It was entrusted with the entire process piping, a total of 1,300 metres in nominal widths DN 15 to DN 500, pump installation and the assembly of tanks and heat exchangers. Installing the flash tank with a lifting weight of around 18 tons was one of the many challenges facing the fitters. Numerous connection points had to be taken into account during the shutdown. "As always, the Kremsmüller fitters involved in the conversion gave a phenomenal performance," comments Robert Petroschinsky of the Planning Department at Smurfit Kappa Nettingsdorf.
March 2018
At Night in Production
At Night in Production
For the third time Kremsmüller is taking part in the Long Night of Research. This year the event is being held on Friday, 13 April, between 5 pm and 11 pm.
Kremsmüller's production facilities in Steinhaus have enjoyed the most diverse projects and impressive moments. Virtual reality technology is used to bring these to life. Among other things, visitors can see how steel parts weighing several tons are assembled in the workshop to form a huge pipe branch and then installed deep in the hillside. Many of these components can also be seen in real life. A quiz provides visitors with fascinating facts on the subject of "hydro power". In addition, visitors can walk virtually through an impressive multi-storey evaporation plant. The heart of such plants is a "thin film evaporator", which thermally and mechanically separates substances into their components. There will also be a demonstration using a miniature pilot plant enabling visitors to discover which processes and procedures take place inside. In 2016 Kremsmüller counted a total of 650 visitors - a record result achieved in a truly successful evening. All the more reason to be there again this year and to look forward to numerous visitors. Drop by and take advantage of the rare opportunity to gain an insight into production - an entertaining and exciting evening is guaranteed. Admission is free!
March 2018
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