Rapla Metall and Tamult join forces, giving a new impetus to the top thermal energy company

From left to right: Harri Rütman, Jüri Taal, Maiko Leesment

OÜ Rapla Metall, the company’s long-term partner, became the new owner of AS Tamult, which offers biofuel solutions.

“I am one hundred percent satisfied with the continuation of Tamult’s operations in the ownership of Rapla Metall,” says Jüri Taal, a former member of the management board and majority shareholder of AS Tamult. “I have already brought Rapla Metall together with Tamult’s cooperation partners. The transition of the company to the new management has been smooth. ”According to Taal, the cooperation between the two companies has gone well and intensified over the years.

AS Tamult was started in 1992, when the energy mechanics department of the Kirov fisherman’s collective farm was privatized to employees. Already in the same year, the company, in cooperation with researchers from Tallinn University of Technology, manufactured the first biofuel pre-hearth in Estonia (capacity 0.5 MW). Over the next 30 years, Tamult has designed, manufactured and installed more than 40 boiler houses using biofuel technology.

The objects of AS Tamult are located in Estonia, Latvia, Russia, Finland, Sweden and Poland. As an Estonian company with one of the best biofuel combustion technologies, AS Tamult has won several tenders for the modernization of boiler houses financed by the European Union both in Estonia and elsewhere.

Tamulti’s largest projects so far are biofuel combustion hearths in Valka and Rezekne cogeneration plants in Latvia – with capacities of 12 and 14 MW, respectively.

In Estonia, Tamult has designed and installed, for example, a combined heat and power plant in Rakvere. As a benchmark for renewable energy, Tamult has designed and installed flue gas condensers and filter systems for the efficient use of residual heat in the combustion of biofuels in reconstructed boiler houses in Valga, Keila, Haapsalu and Jõgeva.

Tamul has built district heating boiler houses in several small Scandinavian towns and settlements.

“Many projects are currently being started in the field of thermal energy, where technology is needed to help produce heat as efficiently as possible,” says Harri Rütman, Member of the Board of Tamult. “There is still no more cost-effective solution than biofuel for district heating boiler houses in smaller cities, settlements and industries.”

According to Maiko Leesment, a member of the Board of Tamult, using modern cleaning and heat recovery equipment, it is possible to build a heat production unit with high efficiency, but low environmental footprint and operating costs.

Leesment emphasizes that cleaning technology has been on the agenda recently, as the European Union’s new climate directives require heating systems to be equipped. They clean flue gases from heat production, in particular from particulate matter, which is on average 5 to 10 times higher than the limit values ​​required by the Medium Combustion Plants Directive in old combustion plants.

“The installation of cleaning devices, such as electrostatic precipitators and bag filters, meets the necessary requirements without any problems,” confirms Leesment.

According to Leesment, the task of another important component of modern heating systems – heat recovery technology – is to obtain the last energy from flue gases. This reduces energy loss with exhaust gases and increases the efficiency of heat production. “Depending on the operating mode of the heating equipment and the needs of the heat consumers, it is possible to increase the efficiency by an average of 15-25%, up to 30% under favorable conditions,” says Leesment. “As a result, flue gas condensers are well suited for district heating boiler houses running on moist biofuels, where the heat carrier temperatures are low and the amount of energy contained in the flue gas is high.”

AS Tamult thanks all cooperation partners with whom many efficient and innovative solutions have been implemented. Both old and new partners can still count on Tamult – the company has all the necessary technologies and knowledge to offer the best solutions in the following areas of competence:

1. Construction of boiler houses and combined heat and power plants

Based on the customer’s needs, Tamult offers a complete engineering solution. The projects cover everything from receiving and storing fuel to handling ash from combustion and cleaning flue gases.

2. Flue gas cleaning and condensing equipment

In energy, there is an increasing focus on the use of residual heat from flue gases. Tamult develops and manufactures technological equipment for the efficient use of waste heat and the cleaning of flue gases from solid particles. Multicyclones, electric and bag filters are used to clean the flue gases. Flue gas condensers and scrubbers are suitable for the efficient use of residual heat, which increases the efficiency and efficiency of boiler houses.

3. Solid biofuel boilers and grate furnaces

We manufacture and install fully automatic grate kilns and boilers for the production of heat and electricity that meet modern standards. We offer solutions for burning biofuels (wood chips, wood waste, peat, municipal waste, garbage, etc.) with hot water, steam and thermal oil boilers with a capacity of 1 MW to 20 MW. They can be used in district and local heating, combined heat and power plants, wood industries, etc.

4. Spiral and chain scraper conveyors

We develop and produce scraper and spiral conveyors used for the transport of various materials.

5. Mechanized warehouses for biofuels

Tamult offers biofuel scraping technology based on long-term experience, which is extremely reliable and has won great approval from customers.

6. Boiler masonry and insulation work

We perform masonry work for burning hearths. Various technologies are used to make a high temperature resistant furnace.

7. Electricity and automation

In the field of heat and energy management, we offer the design and construction of electrical and automation systems, from the planning of the customer’s wishes to the implementation and tuning.

8. Design

In cooperation with the client, we design the best possible solution for the boiler house’s technical and heating systems.

9. Installation

Our extensive, long-term and well-skilled team installs the technology from the complete solution to the construction of individual nodes.


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