C10J2300/0976

Organic material gasification system, and carbonization furnace and gasification furnace used therefor
11725155 · 2023-08-15 · ·

An organic material gasification system is configured such that a carbonization furnace provided with a first air supply mechanism that radiates high-temperature combustion air and high-temperature steam to an organic material combustion region and with a second air supply mechanism that supplies combustion air to an exhaust gas combustion region, to discharge high-temperature exhaust gas is connected to a gasification furnace including a heating unit penetrating through a reactor. A carbide from the carbonization furnace is supplied to the reactor, and the high-temperature exhaust gas from the carbonization furnace is supplied to the heating unit, so that the carbonization efficiency and the carbonization quality are improved and the gasification efficiency is improved.

A Green Resource-Generating Method Based on Thermal Mass Synergy of Waste Integrated Circuit Board
20220119714 · 2022-04-21 ·

A green resource-based method of thermal mass synergy in waste Integrated circuit board mainly includes carbonization cracking system, crushing and separation system, gasification cracking system and heat value utilization and comprehensive recovery system. Compared with existing techniques, carbonization cracking system can realize the dry distillation cracking of organic matter in waste integrated circuit board which converts carbon, hydrogen and other elements into fuel carbonized cracking gas and cracking oil, the heat from the combustion of the carbonization cracking gas of the invention provides the energy needed for the carbonization cracking to realize self-heating carbonization cracking. Carbonization cracking products are cracked and separated to solve the problems such as hard to break and organic coating metal caused by direct crushing and separation of traditional circuit boards which Improves crushing and separation effect; gasification cracking system achieves the comprehensive utilization of carbon, the gasified cracking gas can be used as a heat source for subsequent valuable metal recovery to further improve the utilization rate of calorific value. The invention has the characteristics of: high heat value utilization rate, low energy consumption, high metal recovery rate, short process recovery of valuable metal and no pollution of flue gas.

GASIFICATION PROCESS

A process for the manufacture of a useful product from synthesis gas having a desired hydrogen to carbon monoxide molar ratio comprises gasifying a first carbonaceous feedstock comprising waste materials and/or biomass in a gasification zone to produce a first synthesis gas; optionally partially oxidising the first synthesis gas in a partial oxidation zone to generate oxidised synthesis gas; reforming a second carbonaceous feedstock to produce a second synthesis gas, the second synthesis gas having a different hydrogen to carbon ratio from that of the first raw synthesis gas; combining at least a portion of the first synthesis gas and at least a portion of the second synthesis gas in an amount to achieve the desired hydrogen to carbon molar ratio and to generate a combined synthesis gas and subjecting at least part of the combined synthesis gas to a conversion process effective to produce the useful product.

Integrated method and apparatus for catalytic cracking of heavy oil and production of syngas

The present disclosure provides an integrated method and apparatus for catalytic cracking of heavy oil and production of syngas. A cracking-gasification coupled reactor having a cracking section and a gasification section is used as a reactor in the method. A heavy oil feedstock is fed into a cracking section to contact with a bed material in a fluidized state that contains a cracking catalyst, a catalytic cracking reaction is conducted under atmospheric pressure to obtain light oil-gas and coke. The coke is carried downward by the bed material into a gasification section to conduct a gasification reaction to generate syngas; the syngas goes upward into the cracking section to merge with the light oil-gas, and is guided out from the coupled reactor and enter a gas-solid separation system. Oil-gas fractionation is performed to a purified oil-gas product output from the gas-solid separation system to collect light oil and syngas products.

Method and device for heavy oil lightening and synthesis gas production

A method for heavy oil lightening and synthesis gas production and a device thereof are provided, where the method uses a cracking/gasification coupled reactor, which internally has a cracking section and a gasification section that communicate with each other, and includes the following steps: feeding a heavy oil material into the cracking section to implement a cracking reaction, to produce a light oil gas and a coke; the coke being carried by the coke powders and descending into the gasification section to implement a gasification reaction, to produce a synthesis gas; at least performing a first stage gas-solid separation, collecting coke powder particles and dividing them into two parts; performing an oil and gas fractionation on a purified oil and gas product output by the gas-solid separation system, and collecting a light oil product and a synthesis gas product.

Integrated method and integrated device for heavy oil contact lightening and coke gasification

An integrated method and an integrated device for heavy oil contact lightening and coke gasification are provided. The integrated method uses a coupled reactor including a cracking section and a gasification section, and the integrated method includes: feeding a heavy oil material into the cracking section to implement a cracking reaction, to obtain a light oil gas and a carbon-deposited contact agent; passing the carbon-deposited contact agent into the gasification section, so as to implement a gasification reaction, to obtain a regenerated contact agent and a syngas; and discharging the light oil gas and the ascended and incorporated syngas from the cracking section, to perform a gas-solid separation, so that the carbon-deposited contact agent carried is separated and returned to the cracking section, and a purified oil gas is obtained at the same time.

PROCESS

A process for the manufacture of one or more useful products comprises: gasifying a carbonaceous feedstock comprising waste materials and/or biomass in a gasification zone to generate a raw synthesis gas; supplying at least a portion of the raw synthesis gas to a clean-up zone to remove contaminants and provide a clean synthesis gas; supplying the clean synthesis gas to a first further reaction train to generate at least one first useful product and a tailgas; and diverting selectively on demand a portion of at least one of the carbonaceous feedstock, the clean synthesis gas, the tailgas and the light gas fraction to heat or power generation within the process, in response to external factors to control the carbon intensity of the overall process and enable GHG emission savings.

GAS GENERATING PLANT AND GAS GENERATION PROCESS FOR THE PRODUCTION OF HYDROGEN-CONTAINING SYNTHESIS GAS
20220010223 · 2022-01-13 · ·

A gas generation plant for generating hydrogen-containing synthesis gas includes a gas generation reactor which is oriented in the vertical direction being greater in length vertically than width. A gas inlet is designed for the passage of superheated water vapor into the gas generation reactor. Through an upper outlet, a gas/water vapor mixture can exit the gas generation reactor and be reused in the second heating element after having been superheated. Synthesis gas can exit through a lower gas outlet. In the vertical direction, the gas inlet is arranged at a smaller distance from the lower end than the lower gas outlet. The upper gas outlet is arranged at a smaller vertical distance from the upper end than the lower gas outlet. The vertical distance between the upper gas outlet and the lower gas outlet is greater than the vertical distance between the lower gas outlet and the gas inlet.

Sandwich gasification process for high-efficiency conversion of carbonaceous fuels to clean syngas with zero residual carbon discharge
11220641 · 2022-01-11 ·

The present invention discloses a gasifier and/or a gasification process that provides a long, uniform temperature zone in the gasifier, regardless of the particle size, chemical composition, and moisture content of the fuel by sandwiching a reduction zones between two oxidation zones. The gasifier and/or gasification process has a char that is more energy-dense and almost devoid of moisture that affords for an additional (or char) oxidation zone with a temperature that is higher than a first oxidation zone which is closer to an evaporation and devolatilization zone. As such, the additional (or char) oxidation zone contributes to augmenting the reduction zone temperature, thereby providing a favorable dual impact in improving syngas composition and near-complete conversion of the tar.

Hydrogen generation furnace using decomposition of biomass stream

Disclosed is a hydrogen generation furnace using decomposition of biomass steam, which employs an infrared source and a furnace body with a water-accommodating structure. A steam separation-drying device is cylindrical and provided at an upper part of an interior of the furnace body and a cavity of the steam separation-drying device forms a secondary gasifier. A lattice plate is provided at a bottom of the interior of the furnace body. A lattice combustion grate is provided above a middle of the lattice plate. A steam distributor is provided outside a lower part of the furnace body. The furnace of the invention performs gasified gas separation as well as secondary oxidation and gasification and mixes steam with gas generated from biomass to perform a decomposition reaction for generating hydrogen.