Process for manufacturing a hydrogen-containing synthesis gas from a natural gas feedstock, comprising the conversion of said natural gas into a raw product gas and purification of said product gas, the process having a heat input provided by combustion of a fuel; said process comprises a step of conversion of a carbonaceous feedstock, and at least a portion of said fuel is a gaseous fuel obtained by said step of conversion of said carbonaceous feedstock, and the Wobbe Index of said fuel is increased by a step of carbon dioxide removal or methanation.

Process for manufacturing a hydrogen-containing synthesis gas from a natural gas feedstock, comprising the conversion of said natural gas into a raw product gas and purification of said product gas, the process having a heat input provided by combustion of a fuel; said process comprises a step of conversion of a carbonaceous feedstock, and at least a portion of said fuel is a gaseous fuel obtained by said step of conversion of said carbonaceous feedstock, and the Wobbe Index of said fuel is increased by a step of carbon dioxide removal or methanation.

The disclosure belongs to the technical field of solid fuel utilization and discloses a gasification reactor adaptable for feedstock with wide particle size distribution, including a reactor body. The reactor body is composed of a first reaction chamber, a second reaction chamber, and a third reaction chamber, which are connected with each other. The side wall of the first reaction chamber is provided with a first vent for introducing a gasification agent to fluidize the fine feedstock particles in the first reaction chamber and the gasification reaction occurs. The bottom of the second reaction chamber is provided with a second vent for introducing an oxidant to react with the coarse feedstock particles in the second reaction chamber. The bottom of the third reaction chamber is provided with a third vent for introducing a gasification agent to fluidize and gasify the incompletely reacted particles in the third reaction chamber.

The disclosure belongs to the technical field of solid fuel utilization and discloses a gasification reactor adaptable for feedstock with wide particle size distribution, including a reactor body. The reactor body is composed of a first reaction chamber, a second reaction chamber, and a third reaction chamber, which are connected with each other. The side wall of the first reaction chamber is provided with a first vent for introducing a gasification agent to fluidize the fine feedstock particles in the first reaction chamber and the gasification reaction occurs. The bottom of the second reaction chamber is provided with a second vent for introducing an oxidant to react with the coarse feedstock particles in the second reaction chamber. The bottom of the third reaction chamber is provided with a third vent for introducing a gasification agent to fluidize and gasify the incompletely reacted particles in the third reaction chamber.

The disclosure belongs to the technical field of solid fuel utilization and discloses a gasification reactor adaptable for feedstock with wide particle size distribution, including a reactor body. The reactor body is composed of a first reaction chamber, a second reaction chamber, and a third reaction chamber, which are connected with each other. The side wall of the first reaction chamber is provided with a first vent for introducing a gasification agent to fluidize the fine feedstock particles in the first reaction chamber and the gasification reaction occurs. The bottom of the second reaction chamber is provided with a second vent for introducing an oxidant to react with the coarse feedstock particles in the second reaction chamber. The bottom of the third reaction chamber is provided with a third vent for introducing a gasification agent to fluidize and gasify the incompletely reacted particles in the third reaction chamber.

The disclosure belongs to the technical field of solid fuel utilization and discloses a gasification reactor adaptable for feedstock with wide particle size distribution, including a reactor body. The reactor body is composed of a first reaction chamber, a second reaction chamber, and a third reaction chamber, which are connected with each other. The side wall of the first reaction chamber is provided with a first vent for introducing a gasification agent to fluidize the fine feedstock particles in the first reaction chamber and the gasification reaction occurs. The bottom of the second reaction chamber is provided with a second vent for introducing an oxidant to react with the coarse feedstock particles in the second reaction chamber. The bottom of the third reaction chamber is provided with a third vent for introducing a gasification agent to fluidize and gasify the incompletely reacted particles in the third reaction chamber.

A method and apparatus for generating electricity and producing carbon and heat via biomass fixed bed gasification, said method and apparatus utilising medium calorific value combustible gas to satisfy high-temperature high-pressure boiler heat requirements, and increasing overall electricity generation efficiency. The method and apparatus have low nitrogen oxides amounts, satisfy environmental protection requirements, and do not require denitrification treatment. The method comprises the following steps: feeding a biomass raw material into a gasification apparatus to prepare a medium calorific value biomass combustible gas, and performing gasification on the biomass raw material at 700-850° C. under the effect of an air/water vapour pre-mixed gasification agent to produce a combustible gas, the calorific value of the combustible gas being 1600-1800 kcal, the temperature being 200-300° C.; directly feeding the combustible gas into an environmentally friendly combustion chamber for combustion, and then into a high-temperature high-pressure boiler, the gas combusting within the high-temperature high-pressure boiler to produce high-temperature high-pressure steam, which drives a steam turbine to generate electricity; utilising steam waste heat discharged by the steam turbine; using boiler tail gas to heat air by means of an air preheater, the hot air being respectively fed into the combustion chamber and the gasification apparatus by means of an air blower, and utilising the waste heat.

A method and apparatus for generating electricity and producing carbon and heat via biomass fixed bed gasification, said method and apparatus utilising medium calorific value combustible gas to satisfy high-temperature high-pressure boiler heat requirements, and increasing overall electricity generation efficiency. The method and apparatus have low nitrogen oxides amounts, satisfy environmental protection requirements, and do not require denitrification treatment. The method comprises the following steps: feeding a biomass raw material into a gasification apparatus to prepare a medium calorific value biomass combustible gas, and performing gasification on the biomass raw material at 700-850° C. under the effect of an air/water vapour pre-mixed gasification agent to produce a combustible gas, the calorific value of the combustible gas being 1600-1800 kcal, the temperature being 200-300° C.; directly feeding the combustible gas into an environmentally friendly combustion chamber for combustion, and then into a high-temperature high-pressure boiler, the gas combusting within the high-temperature high-pressure boiler to produce high-temperature high-pressure steam, which drives a steam turbine to generate electricity; utilising steam waste heat discharged by the steam turbine; using boiler tail gas to heat air by means of an air preheater, the hot air being respectively fed into the combustion chamber and the gasification apparatus by means of an air blower, and utilising the waste heat.

A fly ash recycling gasification furnace includes a fly ash burner, an ash remover, a fly ash storage tank, a variable pressure lock hopper, a fly ash blending system, an exhaust filter, and a backflushing nitrogen buffer tank. The fly ash burner is located on an inner wall of a hearth of the gasification furnace. The ash remover has an inlet connected to an outlet of a waste boiler of the gasification furnace. The fly ash storage tank is connected to a pressurized nitrogen inlet pipe, and a bottom outlet of the ash remover. The variable pressure lock hopper is connected to the fly ash storage tank. The fly ash blending system is connected to the variable pressure lock hopper and the fly ash burner. The exhaust filter is connected to the storage tank, the lock hopper and the blending system. The buffer tank is connected to the exhaust filter.

The present invention relates to a biomass gasification system providing tar and biochar and to a method wherein tars are fixed to the biochar surface. The present invention also relates to use of said system.