A gasification system for the partial oxidation of a carbonaceous feedstock to at least provide a synthesis gas, comprising: a reactor chamber for receiving and partially oxidizing the carbonaceous feedstock, the reactor chamber having a reactor chamber floor; a quench chamber below the floor of the reactor chamber for holding a bath of liquid coolant; an intermediate section at said reactor chamber floor, the intermediate section having a reactor outlet opening through which the reactor chamber communicates with the quench chamber to conduct the synthesis gas from the reactor chamber into the bath of the quench chamber; at least one layer of refractory bricks arranged on and supported by the reactor chamber floor, the lower end section of the refractory bricks enclosing the reactor outlet opening and defining the inner diameter thereof; and a dip tube extending from the reactor outlet opening to the bath of the quench chamber, the dip tube having a widened top section.

A gasification system for the partial oxidation of a carbonaceous feedstock to at least provide a synthesis gas, comprising: a reactor chamber for receiving and partially oxidizing the carbonaceous feedstock, the reactor chamber having a reactor chamber floor; a quench chamber below the floor of the reactor chamber for holding a bath of liquid coolant; an intermediate section at said reactor chamber floor, the intermediate section having a reactor outlet opening through which the reactor chamber communicates with the quench chamber to conduct the synthesis gas from the reactor chamber into the bath of the quench chamber; at least one layer of refractory bricks arranged on and supported by the reactor chamber floor, the lower end section of the refractory bricks enclosing the reactor outlet opening and defining the inner diameter thereof; and a dip tube extending from the reactor outlet opening to the bath of the quench chamber, the dip tube having a widened top section.

A gasification system for the oxidation of a carbonaceous feedstock to provide a synthesis gas comprising: a reactor chamber for oxidizing the carbonaceous feedstock; a quench section for holding a bath of liquid coolant; an intermediate section having a reactor outlet opening through which the synthesis gas is conducted from the reactor chamber into the bath of the quench section; at least one layer of refractory bricks arranged on the reactor chamber floor, the lower end section of the refractory brick enclosing the reactor outlet opening and defining the inner diameter thereof; the intermediate section including a number of halved tubes for liquid coolant arranged onto at least part of the reactor chamber floor on a side thereof opposite to the lower end section of the refractory bricks; and a pump system for circulating the liquid coolant through the halved tubes on the reactor chamber floor.

A gasification system for the oxidation of a carbonaceous feedstock to provide a synthesis gas comprising: a reactor chamber for oxidizing the carbonaceous feedstock; a quench section for holding a bath of liquid coolant; an intermediate section having a reactor outlet opening through which the synthesis gas is conducted from the reactor chamber into the bath of the quench section; at least one layer of refractory bricks arranged on the reactor chamber floor, the lower end section of the refractory brick enclosing the reactor outlet opening and defining the inner diameter thereof; the intermediate section including a number of halved tubes for liquid coolant arranged onto at least part of the reactor chamber floor on a side thereof opposite to the lower end section of the refractory bricks; and a pump system for circulating the liquid coolant through the halved tubes on the reactor chamber floor.

A gasification reactor comprises a pressure shell; a reaction zone partly bounded by a tubular membrane wall enclosed by the pressure shell; at least one burner having a burner head, said burner head protruding the membrane wall; at least one cooling device arranged in the membrane wall and enclosing the burner head of at least one burner, the at least one cooling device comprising several concentric rings of increasing diameter, forming a truncated cone shape having a largest diameter opening facing the reaction zone and a smallest diameter opening facing the burner head, each ring being a conduit having an inlet and an outlet for a cooling medium, the smallest diameter opening for the burner head being located between the pressure shell and the membrane wall; the cooling device comprising at least one part-circular outer ring having an interruption.

A gasification reactor comprises a pressure shell; a reaction zone partly bounded by a tubular membrane wall enclosed by the pressure shell; at least one burner having a burner head, said burner head protruding the membrane wall; at least one cooling device arranged in the membrane wall and enclosing the burner head of at least one burner, the at least one cooling device comprising several concentric rings of increasing diameter, forming a truncated cone shape having a largest diameter opening facing the reaction zone and a smallest diameter opening facing the burner head, each ring being a conduit having an inlet and an outlet for a cooling medium, the smallest diameter opening for the burner head being located between the pressure shell and the membrane wall; the cooling device comprising at least one part-circular outer ring having an interruption.

A solid and liquid waste gasifier has a reactor that includes a fixed chamber and an alumina (aluminium oxide) refractory coating, provided with an automatic energy cell feeder and having, inside the fixed chamber, a rotary steel tube which is coupled to one of the ends of the fixed chamber, said rotary tube having a surface containing holes, a screw on its inside surface and a second screw on its outside surface, which rotates juxtaposed to the inside tubular body wall, ensuring the ashes are moved to be released in an automatic device, said gasifier being provided with sensors, the data from which is sent to a programmable logic controller for activation of the mechanical elements.

A solid and liquid waste gasifier has a reactor that includes a fixed chamber and an alumina (aluminium oxide) refractory coating, provided with an automatic energy cell feeder and having, inside the fixed chamber, a rotary steel tube which is coupled to one of the ends of the fixed chamber, said rotary tube having a surface containing holes, a screw on its inside surface and a second screw on its outside surface, which rotates juxtaposed to the inside tubular body wall, ensuring the ashes are moved to be released in an automatic device, said gasifier being provided with sensors, the data from which is sent to a programmable logic controller for activation of the mechanical elements.

A method for heating or cooling a carbon containing reducing gas having a carbon monoxide content of at least 0.5 vol %, wherein the gas is heated to a temperature of at least 400 C. or wherein the gas is cooled from a temperature exceeding 400 C., wherein the gas is passed along a surface of a heating or cooling unit having a heat conductive metal or metal alloy body and a protective layer, which protective layer provides said surface, and which protective layer is made from a coating composition including colloidal amorphous silicate and crystalline oxide particles.

A method for heating or cooling a carbon containing reducing gas having a carbon monoxide content of at least 0.5 vol %, wherein the gas is heated to a temperature of at least 400 C. or wherein the gas is cooled from a temperature exceeding 400 C., wherein the gas is passed along a surface of a heating or cooling unit having a heat conductive metal or metal alloy body and a protective layer, which protective layer provides said surface, and which protective layer is made from a coating composition including colloidal amorphous silicate and crystalline oxide particles.