14results about "Gasifier mechanical details" patented technology

A system comprising a gasifier comprising one or more burners configured to accept a carbonaceous fuel and an oxidant to produce a syngas and a molten slag; a throat configured to accept the syngas and molten slag from the gasifier; and a radiant syngas cooler positioned below the gasifier configured to accept the syngas and molten slag from the throat; wherein the throat comprises an outer wall and one or more fins extending radially inwards from the outer wall.

A method of producing a gas from a combustible material is provided. The method comprises the steps of loading the combustible material into a containment structure and sealing it therein. An oxidant is fed into the sealed containment structure with a controlled flow rate and a controlled rate of movement such that the combustible material is partly converted, thereby leaving behind thermally affected layers of combustible material after the injection point has passed through the material. At least some of the combustible material is converted into molten slag and or char that accumulates as the bottom-most thermally affected layer and subsequently cools and solidifies. The method is characterised in that it further includes the step of discharging solid slag and or char in the bottom-most thermally affected layer from under material that remains in the containment structure to remove solid slag and or char from the containment structure.

An apparatus includes at least one container with at least one carbonaceous material inlet, at an upper end of the container, for providing carbonaceous material into an internal chamber of the container; at least one first carbonaceous material outlet, at a lower end of the container, for removing carbonaceous material from the internal chamber; and at least one gas outlet for removing gas from the internal chamber. The internal chamber includes a first carbonaceous material communication pathway between the carbonaceous material inlet and the first carbonaceous material outlet, and carbonaceous material which travels along the first carbonaceous material communication pathway in use at least passes consecutively through a first reduction zone, a first oxidation zone, and a second reduction zone.

A waste conversion apparatus and a method of implementing the apparatus are provided. The apparatus includes a control system, and a feedstock analysis system or output analysis system. A plasma forming device within a reactor of the waste conversion apparatus is controlled by the control system to apply a plasma arc to a supply of waste feedstock supplied to the system. Integrated feedback control is provided to the plasma forming device based on an analysis by the feedback analysis system to characterize of the supply of waste feedstock, and / or an analysis by the output analysis system to characterize a gas product from the reactor.

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.

The invention relates to a gas generation module for obtaining gas from carbon-containing fuel, wherein: the gas generation module has a reactor module; the reactor module encloses a reactor cavity; the gas generation module has at least one fuel supply; the gas generation module has a product gas outlet; the gas generation module has a combustion product discharge unit; the gas generation module is designed to convert fuel into product gas and combustion product; the combustion product discharge unit has a screw, a spindle or a spiral in order to transport the combustion product out of the reactor cavity; inside the reactor module no separation element is provided, and therefore fuel and combustion product are not mechanically separated by means of a separation element inside the reactor module.

The present invention relates to the technical field of energy storage with solid-waste treatment. Provided is a peak shaving system coupling surplus energy consumption and solid-waste treatment. The system comprises: a solar concentration tower, wherein a heat absorber can supply heat to a gasifier, and the gasifier can pyrolyze solid waste into primary fuel gas, pyrolytic fuel oil and pyrolysis char; a gas storage tank is in communication with the gasifier and is configured to collect the primary fuel gas; a tar storage mechanism is in communication with the gasifier and is configured to store the pyrolytic fuel oil and the pyrolysis char; and a microwave pyrolysis apparatus is powered by a thermal power generation unit, and the microwave pyrolysis apparatus can pyrolyze the pyrolytic fuel oil and the pyrolysis char to form secondary fuel gas and collect the secondary fuel gas into the gas storage tank. By coupling solid waste treatment with the thermal power generation unit, during an off-peak period of electricity consumption, surplus electric energy of the thermal power generation unit is used for solid-waste treatment, allowing the thermal power generation unit to maintain operation at a sufficiently high load, and during a peak period of electricity consumption, the fuel gas generated from solid-waste treatment is used for power generation to reduce the load of the thermal power generation unit, thereby realizing a valley-filling and peak-shaving function.

A gasifier for converting a carbonaceous feedstock to produce syngas, the gasifier comprising a cone section and a throat section; wherein the throat section comprises a throat refractory material having an interior surface and a substantially cylindrical cooling element having an inner face and an outer face in a radial direction and a top face and a bottom face in a vertical direction wherein the inner face, the outer face, the top face and the bottom face define a cooling cavity; and wherein the cooling element is in thermal contact with the throat refractory material on the inner face, the top face and the outer face.

A system comprising a gasifier comprising one or more burners configured to accept a carbonaceous fuel and an oxidant to produce a syngas and a molten slag; a throat configured to accept the syngas and molten slag from the gasifier; and a radiant syngas cooler positioned below the gasifier configured to accept the syngas and molten slag from the throat; wherein the throat comprises an outer wall and one or more fins extending radially inwards from the outer wall.

The present application aims at providing a biomass gasification furnace, belonging to the technical field of gasification furnace, comprising a furnace body, which is sequentially provided with a drying zone, a pyrolysis zone, an oxidation zone, a reduction zone and an ash discharge zone from top to bottom, a combustion chamber is arranged in the furnace body, a feeding device is arranged at the top end of the furnace body, an ash discharge device is arranged at the bottom of the furnace body, an air inlet pipe one communicated with the pyrolysis zone and an air inlet pipe two communicated with the oxidation zone are arranged at the two sides of the furnace body respectively, and a discharging pipe is arranged at the bottom of the furnace body. By using the present application, tar can be successfully removed from the produced gas, the gasification furnace has high thermal efficiency, high operating temperature, high cold gas efficiency, high carbon conversion efficiency and high calorific value, and the overall process efficiency is improved.

Methods and apparatuses for producing fuel and power from the reformation of organic waste include the use of steam to produce syngas in a Fischer-Tropsch reaction, followed by conversion of that syngas product to hydrogen. Some embodiments include the use of a heated auger both to heat the organic waste and further cool the syngas.

Device for generating a flammable gas mixture from a carbon-containing starting material, comprising a feed unit (2) for supplying the starting material to a reactor (1), wherein the reactor (1) comprises at least one oxidation zone (10) for oxidizing the starting material and a reduction zone (12) for reducing at least one intermediate product of the oxidation, wherein the feed unit (2) comprises at least one storage device (4, 34) for intermediate storage of the starting material, which has at least one opening (9, 39) for introducing the starting material, wherein the opening (9, 39) can be closed with a closing element (6, 36) which interacts with the sealing surfaces (7, 37) of a seal in the area of ​​a closing surface, characterized in that the feed unit (2) has at least one inlet lock arranged in the direction of movement of the starting material and comprising at least two gas-tight closing elements (6, 36),and that at least one closure element (6, 36) seals against a sealing surface (7, 37) of the seal which is oriented substantially in the direction of movement of the starting material and which is designed as a hollow cylinder, and that the closure element (6, 36) extends into the seal along the sealing surface (7, 37) and is pivotable about a rotation axis (5, 45) arranged outside the closure surface.

Methods and apparatus may permit the generation of consistent output synthesis gas from highly variable input feedstock solids carbonaceous materials. A stoichiometric objectivistic chemic environment may be established to stoichiometrically control carbon content in a solid carbonaceous materials gasifier system. Processing of carbonaceous materials may include dominative pyrolytic decomposition and multiple coil carbonaceous reformation. Dynamically adjustable process determinative parameters may be utilized to refine processing, including process utilization of negatively electrostatically enhanced water species, process utilization of flue gas, and adjustment of process flow rate characteristics. Recycling may be employed for internal reuse of process materials, including recycled negatively electrostatically enhanced water species, recycled flue gas, and recycled contaminants. Synthesis gas generation may involve predetermining a desired synthesis gas for output and creating high yields of such a predetermined desired synthesis gas.

A method, system, and apparatus for decomposing a biomass feedstock include providing a layer of inert particulate matter, such as sand, to line and insulate the bottom surface of a main chamber of a reactor where pyrolysis and oxidation are conducted to produce char and producer gases as primary products. In an embodiment, feedstock positioned in a side region of the reaction chamber insulates side walls of the main chamber from heat in the center region of the main chamber. In an embodiment of the method, a rate of removal of solid products such as char from the reactor is controlled in response to a temperature detected at a position of an extraction tube inlet of the reactor. Activated charcoal may be obtained as a primary product using the system and method, by feeding oxygen into the reactor at an inlet positioned adjacent to an inlet to the extraction chamber.