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Factory on manufacture of pellets and briquettes 1...1,5 t/h

Factory on manufacture of pellets and briquettes 1...1,5 t/h

Factory of such type can produce pellets and briquettes from almost all natural raw materials (biomass).

Logs and half logs and other wood wastes are supplied to the chopping machine with the help of the transporter. From the chopping machine chips go the transporter and then to the mechanized storage “moving floor”.

Rolled straw goes first to the delivery tray, then goes to the grinder for rolled straw. Grinded straw is transferred by pneumonic transporter to the mechanized storage “moving floor”.

Fine raw materials are supplied by transport (or loader) and strewed on mechanized storage “moving floor”.

Stockers of “moving floor” possess hydraulic engine and provide reciprocating movements. Wings of stockers are wedge-shaped and in the process of stockers’ movement raw materials are supplied to a transporter and then to disc separator at controlled speed. In disc separator raw materials are spared form stones, roots etc that go to transportable container (not shown on the scheme), and the raw materials go to loading section of Grinding and drying machine (“AS”). It also gathers combustion products from heat generator and collects cold air from emergency pipe (is not included into the complex of spare parts). First of all combustion products and cold air are mixed in automatically regulated proportion that provide substantial temperature of the coolant. Then the coolant is mixed with wet raw material and goes to Grinding and drying machine where raw materials are grinded and dried going in the flow of the coolant up to dynamic classifier placed at the head of Grinding and drying machine. Dynamic classifier receives frequency from control panel and conduct small and dry raw materials and returns big parts to the rotor, then this process repeats till the necessary wetness and degree of grinding is gained. Grinded and dried raw materials (hereinafter referred to as “flour”) go to sediment cyclone at the expense of discharging created by exhauster. In the cyclone flour sediments due to centrifugal force and go down, worn out coolant is thrown out through the pipe. From the cyclone flour goes to screw or chain transporter through seal leg and then goes to bunker (silo). Inside the bunker there is a mechanism protecting flour from caking. Screw feed with regulated speed of supply transfer flour from the bunker to the pressure mixer. Water or steam is also sullied here. The mixer provides conditioning of the product that is reaching the level of flour wetness necessary for granulating (briquetting) process. From the mixer wet flour goes to pellet mill or briquette press through divider of tramp iron.

Pellets production:
In pressure camera flour is pulled between turning matrix and pressing rolls and pushed through radial holes of matrix where the process of making granules goes on under big pressure. Granules pushed from the holes meet the immovable knife and are cut. Cut granules fall down and transferred out of pressure with the help of a sleeve. Granules possess high temperature after coming from pressure and are fragile that’s why they are transported by elevator to cooler. Here the cyclone ventilator inhales air through the layer of granules thus cooling them and inhaling part of not granulated flour into the cyclone. In the process of cooling wetness of granules decreases due to evaporation and granules are subject to physical and chemical changes. As a result they receive the necessary solidity, wetness and temperature. As a cooler fills out the granules are transferred to the sorting section where conditioned granules are separated from chips. Granules are unloaded through unloading necktube and are supplied to the elevator of ready products. Chips are inhaled to the cyclone and sent together with flour to the secondary pressure. Elevator of the ready products transfers the granules to the bunker of ready production. Under the bunker there are electronic scales, the bunker’s stands possess crooks for Big-Bags. Filled Big-Bags are transported by loader of hydraulic machine to the storage of ready production.

Briquettes production:
In the press the flour gets into the areas of preliminary pressing and then by two opposite screw feeders leads to the pressing chamber. In the pressing chamber the flower is squeezed by a moving piston into a fixed cone matrix where under high pressure an endless briquette is formed (hereinafter – briquette). After the press the briquette have high temperature and are not strong enough that is why they are sent to the tunnel cooler. In the process of cooling the moisture content in the briquette is decreased due to evaporation and there are also physical and chemical changes in it. As a result it gets the necessary characteristics on temperature, moisture content and hardness. Moving along the tunnel which is at the same time also a conveyor the endless briquette goes through a metal detector and gets into an automatic saw, where it is cut into the briquettes of a certain length. Then the briquettes get into a packing area and ready products storehouse (not presented).

Heat generator in this type of construction can be filled with fuel either in manual way or in automatic way – from fuel bunker. Filling of fuel bunker goes automatically due to return of part of flour from sediment cyclone by the system of pneumatic transport. There is a possibility to fill fuel bunker by additional transport from raw materials storage or separate fuel storages (not shown at the scheme).

 
 
Minimum price
913 100 euro
Base price
1 192 400 euro
Optimal price
1 310 100 euro
Maximum price
1 460 350 euro
* price without VAT
PARAMETR NAME VALUE
The general dimensions  
Length, m 43,0
Width, m 23,0
Height, m 8,7
Dimensions indoors  
Length, m 30,0
Width, m 16,5
Height, m 6,3
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