DE428143C - Smoldering and gasification plant - Google Patents

Description

Smoldering and gasification plant. The invention relates to a smoldering and Gasification plant in which the gasification takes place on a traveling grate.

According to the invention, the carbonization of the fuel also occurs a traveling grate. The gases flow through the fuel on the gasification grate from down to the top and then on the smoldering grate from top to bottom. Behind the gas roast there is also an ash pit.

It is known from gas generators that generator gases are used for desulfurization to lead in cross flow to the direction of movement of the fuel. This is what it is However, it concerns the carbonization and gasification of the fuel in vertical shafts.

The horizontal movement of the goods should, however, compared to the known facilities a better and more economical carbonization and more uniform Guiding the heating gases can be achieved by the smoldering products rapidly in the direction the decreasing temperatures dissipated and prior to decomposition by contact with hot gases and hot goods. The drawing represents an embodiment of the invention, for example, without other embodiments to exclude.

Fig. I shows the furnace in section along line C-D in Fig. 2, Fig. 2 in section along line A-B of Fig. i.

In the drawing, a is the raw fuel storage tank; are you a loading device, c a pre-dryer. A hopper d takes the pre-dried one Fuel on. The gas generating furnace consists of the parts for the charring process and part f for the gasification process. g and h are the corresponding conveyor belts for the horizontal movement of the fuel. i is a supply pipe for downwind, k a pipe for the discharge of smoldering products and sucked gas after the Condensation. L is an attached third shaft furnace, while n is a discharge device for partially gasified fuel or ash. m is an insertion tube for water, steam, permanent gas or air, while o an inlet opening for flue gases for the pre-drying and p a chimney for the used flue gases is.

The path of the fuel through the dryer c, into the filling funnel d, into the smoldering room e, gasification chamber f, shaft furnace I to the discharge device n can be seen from the drawing. The combustion air goes out of the pipe! through the fuel to be gasified in the gasification chamber / from bottom to top, the gas formed sweeps in the upper free part of the double furnace from 1 to e, passes through the fuel to be carbonized in the carbonization chamber e from top to bottom and enters condensation through pipe k. Steam, water, permanent gas or air is introduced through the pipe m , passes through the shaft l from bottom to top, absorbs the heat from the fuel or the ash and mixes with the gas formed in the gasification chamber. The warm gases required for pre-drying enter .o, pass through the dryer and exit into chimney p.

Claims (3)

PATFNT CLAIMS: i. Smoldering and gasification plant in which the gasification takes place on a traveling grate, characterized in that the smoldering is made on a traveling grate (g), and that the gases are the fuel on the Gasification grate (h) from bottom to top and then on the smoldering grate (g) from above flow downwards. . 2. smoldering and gasification system according to claim i, characterized by two traveling grids one behind the other (g, h), which are connected by a common Vaults are covered, while the space under the grating is divided into two parts into which the wind inlet (L) or the gas outlet (k) open. 3. Smoldering and gasification system according to claim i and 2, characterized in that an ash shaft (L) is arranged behind the gasification grate (lt).