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Download the description of CK-4 EURO


Charcoal kiln CK-4 EURO is being manufactured since 2016.

Charcoal kiln CK-4 “EURO” refers to fourth generation of charcoal kilns of “EURO” type, which are designed for low-temperature pyrolysis of carbon-containing materials (lump wood waste of logging and woodworking industries, firewood of soft and hard species, fuel briquettes (Pini-kay, Nielsen, nestro, ruff)) to obtain high quality charcoal and heat energy.  

The uniqueness of the “EURO” kiln technology is following: we do not move raw material from chamber to chamber, we move the process that provides high performance at relatively low cost. 

A detailed description of the technology of “EURO” type charcoal kilns.

"EURO" technology allows the use of different raw materials for pyrolysis:

  • lump wood waste of logging and woodworking industries
  • wood of soft and hard species
  • fuel briquettes (pini-kay, Nielsen, nestro, ruff)
  • agricultural waste
  • shell of various nuts (coconut, walnut, hazelnut, etc.)

First of all, it should me mentioned the following advantages of the kiln:

  • The maximum reliable and time-tested design
  • The construction of the kiln includes the afterburner
  • Minimal heat losses during operation of the kuln (modern insulating materials)
  • High performance and COMPACTNESS
  • Maximum reliability and durability (use of modern materials)
  • Repairability and ease of use
  • Maximally safe and easy to use
  • 100% no emissions during the kiln operation
  • Full mechanization and automation of control
  • Low power consumption
  • It is possible to obtain heat energy
  • Central control of the complex of kilns is possible
  • The price includes Start-up and training of personnel
  • Charcoal retains the form of raw materials
  • Warranty service 12 (24) months
  • The number of screenings does not exceed 1%
  • The kiln is delivered practically assembled

Description of the kiln

The charcoal burning kiln consists of 2 chambers equipped with flame tubes from heat-resistant steel (1000ᵒC) connected to chimney with deflector and furnace. The kiln includes 16 trolleys depending, platform to move the trolleys, trestle for loading of raw material and unloading of charcoal and an electric winch as well. The chambers can operate in "DRYING" and "PYROLYSIS" modes. Each chamber contains 4 trolleys and has a loading hatch to load/unload the trolleys. The chambers are equipped with gas-escape channels used to withdraw gas, emitted during the process of pyrolysis into the furnace. It provides maintenance of drying and pyrolysis  process, as well as the ecological cleanness of the processThere is a water seal connected to the chamber to stabilize pressure inside the chamber and to drain a condensate from the steam release pipe. The charcoal kiln is equipped with a chimney. All control elements are mechanized. A permanent recording of the main operating parameters is conducted. This allows to carry out an analysis of the kiln operation.

Main elements of the kiln

1. Furnace chamber
2. Drying/pyrolysis chamber
3. Trolley
4. Flame ways
5. Damper of heat carrier supply to the chamber
6. Chimney damper   
7. Gas valve
8. Gas pipes (chamber-furnace connection)
9. Chimney (stationary part)
11. Furnace-chamber connection
12. Platform for trolleys moving


The scheme of control  elements of the kiln
T1 – t°C outlet from the furnace
Т2 – t°C of steam-gas mixture of chamber А
Т3 – t°C inside the chamber А
Т4 – t°C of gas supply into chimney
Т5 – t°C of steam-gas mixture of chamber B
Т6 – t°C inside the chamber B
Т7 – t°C of gas supply into chamber A
Т8 – t°C of gas supply into chamber B
1 – damper of heat carrier supply to the chamber A
2 – damper of heat carrier supply to the chamber B
3 – chimney damper of chamber A
4 – chimney damper of chamber B
5 –valve for steam release from chamber A
6 –valve for steam release from chamber B
7 –valve for pyrolysis gas channel of chamber A
8 –valve for pyrolysis gas channel of chamber B
9 – valve for air supply under fire-grate
10 – chimney
11 – damper of the afterburning plug
12 – "snail" type furnace blower


A detailed description of the ELEMENTS of "EURO" type charcoal kilns

A detailed description of the operation of "EURO" type charcoal kilns

Productivity of the kiln
Raw material parameters

Output of charcoal, t/month

Freshly cut wood 25-40*
Previously dried wood 30-45*
Fuel briquettes 50-70*

The standart delivery set of charcoal kiln CK-4 "EURO" fits into one truck with the volume of trailers not less than 86 m3. Two charcoal kilns can be loaded into one truck of Jumba type. It is possible to ship one set of equipment of CK-4 "EURO" in 40 ft container. In this case part of trolleys can be sent unassembled (watch the video "loading into truck").

Model of the organization of the production site

Operation parameters of the kiln
Parameter Unit of measure Value
Maintenance staff for 1-3 kilns person 2-3
Productivity of the kiln* t/month 25-70
Power consumption, not more than kW/hour 1
Consumption of firewood for furnace* m3/day 0,4
Dimensions: length, width, height (*with afterburning plug) m 2,3х2,3х8,15 (2,3х2,3х9,05)
The duration of full cycle hours 20-36
Weight t 18
Warranty period month 12

*The value of parameters depends on the following factors: moisture content of wood, species of wood (minimum humidity - poplar, maximum humidity - hornbeam, Crimean oak), the size of the piece. Increased humidity compared to the nominal (55% relative humidity) significantly reduces the output and increases the consumption of firewood for furnace. At relative humidity of 75% (freshly cut hardwood during the sap flow period) the productivity is reduced by 15-20%.

Read: % yield of charcoal depending on the raw materials used


CK-4 EURO presentation

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