C10J3/723

SYSTEM AND METHOD FOR INTELLIGENT GASIFICATION BLENDING

Described are an intelligence system and process for material blending in the gasification. The system includes a subsystem for material blending in the gasification, wherein the subsystem for material blending in the gasification includes a raw material property rapid analysis module, for obtaining raw material property parameters of raw materials according to characteristic spectral line intensities of in-furnace raw materials; a blended material property prediction module, for establishing a prediction model, and predicting blended material property parameters by means of the prediction model according to raw material property parameters and raw material proportions; a blending scheme optimization module, for establishing an optimization model, and obtaining an optimized blending scheme by means of the optimization model according to blended material property parameters; a blending scheme economy evaluation module, for outputting a blending scheme with the optimum technical economy.

FLY ASH RECYCLING GASIFICATION FURNACE

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.

System and apparatus for processing material to generate syngas using primary and secondary reactor chambers

System for generating syngas includes a primary reactor chamber operable to receive material, a plurality of first-stage gas pipes connected to the primary reactor chamber, and a secondary reactor chamber. The primary reactor chamber comprises a plurality of electrodes at least partially protruding into the primary reactor chamber, the electrodes operable to generate an arc capable to generate first-stage gas from breakdown of the material within the primary reactor chamber when electricity is applied to the electrodes. The secondary reactor chamber is operable to receive the first-stage gas via the first-stage gas pipes and to receive water vapor. The first-stage gas combines and interacts with the water vapor to form second-stage gas. Each of the first-stage gas pipes comprise a portion protruding into the secondary reactor chamber that together are adapted to direct the flow of first-stage gas to generate turbulence within the secondary reactor chamber.

Fuel production system for producing liquid fuel from biomass feedstock and renewable energy
11608475 · 2023-03-21 · ·

A fuel production system includes a gasification unit including a gasification furnace that gasifies biomass feedstock to produce a syngas; a liquid fuel production unit that produces a liquid fuel from the syngas produced by the gasification unit; an electrolysis unit that produces hydrogen from water using electric power generated using renewable energy; a hydrogen tank that stores the hydrogen produced by the electrolysis unit; a remaining hydrogen amount determining section that determines the amount of hydrogen remaining in the hydrogen tank; a hydrogen supply unit that supplies the hydrogen from the hydrogen tank to the gasification unit; and a control unit that performs a hydrogen consumption increasing control to reduce the H.sub.2/CO ratio of the syngas produced by reaction in the gasification furnace and to increase the amount of hydrogen supplied by the hydrogen supply unit, when the remaining amount of hydrogen is more than a predetermined amount.

Methods of producing a gas from a combustible material

Disclosed are methods and systems for producing a gas from a combustible material. In particular, disclosed are methods and systems for batch-type production of a gas from a combustible material. The methods and systems include igniting at least a portion of the combustible material loaded in the sealed containment structure to form a thermally affected layer, wherein the step of feeding the oxidant into the sealed containment structure is carried out so that conversion of the combustible material to a gas at one point in the sequence is initiated prior to complete conversion of the combustible material at a previous point in the sequence.

Method of producing liquid fuel from carbonaceous feedstock through gasification and recycling of downstream products

A feedstock delivery system transfers a carbonaceous material, such as municipal solid waste, into a product gas generation system. The feedstock delivery system includes a splitter for splitting bulk carbonaceous material into a plurality of carbonaceous material streams. Each stream is processed using a weighing system for gauging the quantity of carbonaceous material, a densification system for forming plugs of carbonaceous material, a de-densification system for breaking up the plugs of carbonaceous material, and a gas and carbonaceous material mixing system for forming a carbonaceous material and gas mixture. A pressure of the mixing gas is reduced prior to mixing with the carbonaceous material, and the carbonaceous material to gas weight ratio is monitored. A transport assembly conveys the carbonaceous material and gas mixture to a first reactor where at least the carbonaceous material within the mixture is subject to thermochemical reactions to form the product gas.

System and method for biogasification

Embodiments of the invention improve the performance, safety, and efficiency of the gasification process. Embodiments of the invention improve downdraft gasification by improving upon the systems and methods for fuel preparation and by addressing gasifier bridging and channeling. Unique parts of the system include a unique hearth and grate design, a programmable logic controller and interface for managing the gasification process, an improved filtration system, a unique system for eliminating mist, a unique system for cooling gas, a unique combined flare, an integrated auger system, and a new system and method for sampling gas.

GASIFICATION FURNACE OPERATING METHOD AND GASIFICATION FURNACE

Provided are a gasification furnace operating method, a gasification furnace, a two-stage gasification apparatus, a gasification method for an organic raw material, and a two-stage gasification method for organic waste that make it possible to stably operate a gasification furnace over a long period of time. The present invention provides a gasification furnace operating method including, in a gasification furnace into which an organic raw material is introduced and that produces gas and slag, directly or indirectly introducing an alkali metal-containing compound into the gasification furnace to reduce the viscosity of the slag.

Biosolid treatment process and system
11629301 · 2023-04-18 · ·

A biosolids treatment system that treats human biosolids to produce thermal energy for self-consumption for the production of beneficial use products including low carbon ash, high carbon activated biochar, and Class A biosolids. The system includes a variable feed conveyor that conveys a biosolid feed into a dryer; a dryer that dries the biosolid feed to a predetermined moisture content to create one of a beneficial use products, where the predetermined moisture content is controlled by varying the speed of variable feed conveyors and a variable feed mixer; and a gasifier that converts the biosolid feed into two of the beneficial use products.

Universal feeder with clamshell transfer screw

Exemplary apparatus or method implementations for a universal feeder system configured with a transfer screw feeder within a multi-section clamshell pipe permitting access to the feed screw and pipe interior for inspection, maintenance and/or cleaning during production, without disassembly or screw removal. The clamshell screw feeder pipe provides access to the screw by opening or removing the multi-section top portion of the clamshell pipe. The top pipe section is bolted and or hinges to the bottom portion of the clamshell pipe. The number of segmented multiple clamshell top sections depends on the length of the screw. One or more clamshell top sections may be configured with an inspection port. The universal feeder system configured with a transfer screw feeder within a multi-section clamshell pipe transfers feedstock feed from one or more feed vessels to one or more reactor vessel.