Linka - Mobile Wood Pellet Plant: 100 - 5,000 kW
With a Linka mobile plant you are ensured a turnkey heating plant, built in a large standard or custom container. A fuel container with a scraper unit is also installed, along with a custom ash container and chimney, all connected to the mobile plants main container. The main container is built in three sizes, depending on boiler size. It consists of a floor made of chequer plates, four sides in trapezoidal profiled sheets and a roof. The container is insulated with 100 mm insulation material and coated with galvanized perforated sheets. A single door is found in one end, and a double door in the other. The plant is assembled at Linka with all necessary equipment, plumbing and electrical wiring. It is ready for commissioning when it arrives on site. The plant is usually in operation three days upon arrival. As with the wood pellet plant, the mobile plant consists of a fiberglass silo. The pellets are transported by an auger from the base of the silo to the boiler.
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The special container comes in three different siz...
The special container comes in three different sizes, depending on boiler size. The container consists of a flat bottom, four sides in corrugated sheet and a roof. Inside, it is insulated with 100mm insulation material and clad with galvanised perforated sheet. A single door is mounted in one end, and a double door in the opposite end.
The plant is assembled at LIN-KA with all the necessary equipment, plumbing and electrical wiring and cold-tested ready for commissioning when it arrives on site. The plant can normally be in operation approx. 3 days after arrival on site.
As with the wood pellet plant, this one consists of a glass fibre silo. The pellets are transported from the base of the silo by a worm drive to the boiler room directly to a cell sluice, and then into the boiler combustion hearth.
Feed procedure
The 'on-demand' function of the boiler will activate the feed procedure, i.e. the silo worm drive will start The silo will now supply the boiler with the appropriate amount of wood pellets for the boiler capacity. Pellet volume is controlled by an oxygen gauge which constantly monitors oxygen percentage in the flue gas.
LIN-KA H boiler
The hot water boiler is a cylindrical, efficient, 3-phase pipe boiler designed for burning wood pellets. It features a smooth flame channel, water-cooled rotation chambers and is dimensioned to achieve full combustion and efficient utilisation of radiated heat in the flame channel, whilst convection heat is utilised to the maximum in the two subsequent flue gas sections.
At the end of the boiler combustion chamber is a cylindrical water- and air-cooled combustion hearth. Preheated air is added from the sides and top to create the correct amount of turbulence in the combustion area, and completely burning off the gases developed.
Thorough insulation of the boiler with 100mm mineral wool means that heat loss is minimal. The boiler is a fully welded, gastight and sealed unit, supplied with nozzles, flanges and counter-flanges for feed and return, plus safety nozzles. A cleaning hatch at the end of the combustion chamber makes inspection and cleaning simple.
The standard version is designed for a max. operating pressure of 4 bar, and max. operating temperature of 110º C. An elegant exterior of blue plastic-covered steel panels gives the LIN-KA H boiler an attractive, modern design.
Automatic ash extraction
A stainless steel, laterally-mounted worm drive is fitted in the base of the boiler to transport ash out to the inclined worm drive, which takes it onwards, including outside the building, to an ash container.
Automatic flue cleaning
A number of pressure tanks are mounted on the boiler with air injection valves fitted to inject air into the boiler flue to keep it clean. This means that manual cleaning of the flue is rarely necessary.
Electronic control and monitoring system
Control and monitoring of the wood pellet plant is based on a PLC control system (Programmable Logic Controller). This ensures controlled regulation of fuel feed to maintain maximum heat production. All set points can be read off and reprogrammed via a display and the oxygen percentage is continuously shown on the display. There is also an alarm outlet on the control system.
The control panel can be connected to the internet if the boiler room has a fixed IP address to facilitate remote support from LIN-KA when commissioning, trimming and in the event of disruption to production.
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