59results about "Gasifier moving parts" patented technology

A multi-zone carbon converter for converting processed feedstock to syngas and slag is provided comprising a chamber comprising a carbon conversion zone in communication with a slag zone for melting ash into molten slag and/or for maintaining slag in a molten state by the application of plasma heat. The carbon conversion zone and the slag zone are separated by the inter-zonal region that comprises an impediment for restricting or limiting the movement of material between the two zones. The inter-zonal region may also provide for the initial melting of the ash into molten slag by affecting the transfer of plasma heat from the slag zone.

The invention relates to a technology for shells downdraft fixed bed gasification power generation and co-production of active carbon and heat. The technology is characterized in that a large-scale gas-carbon co-production downdraft fixed bed gasifier is utilized to gasify shells biomass to prepare fuel gas which is used as fuel of a gas-fired boiler; steam generated by the gas-fired boiler drives a steam turbine to generate power; and active carbon and heat are obtained simultaneously. The invention has the following advantage: by using shells biomass as the raw material, a series of problems such as large environmental pollution, high energy consumption, poor product uniformity, low degree of automation, single product and the like existing in a traditional active carbon production device are solved. Shells resources are highly efficiently utilized, economic benefit is raised, and the environment is protected. The technology for shells downdraft fixed bed gasification power generation and co-production of active carbon and heat and complete equipment have advantages of stable operation, high thermal efficiency of hot gas combustion, various products, good economic benefit and environmental effect and large-scale application. Previous shells downdraft fixed bed gasification power generation process equipment has no shell charcoal or active carbon products.

The invention provides a circulating fluidized bed and pyrolysis bed combined gasification process and device, and relates to a coal gasification technology. The gasification process is characterized in that a fluidized bed technology is used for pyrolysis and gasification, and coal free of tar and other pollutants is converted into gas; semicoke coal and the like are gasified and burnt out by a pyrolysis bed; coal-containing fly ash is removed from the gas with a precipitation separation method and is returned to fluidized bed gasifier by a screw conveyor to be pyrolyzed and gasified circularly. The fluidized bed gasifier, a cyclone separator, the pyrolysis bed and a sedimentation chamber which are connected are used for combustion and transport of raw coal, the gas, the semi-coke and the coal-containing fly ash, and accordingly, the purpose of the invention is achieved. The gasification process and device have the beneficial effects that the gasification rate of the raw coal is high, and tar and other pollutants are not produced; the circulating fluidized bed is applicable to equipment with large, medium and small gasification rates, and regulation range of gas production capacity in unit time is broad.

The invention discloses a device for treating high-concentration organic wastewater through catalytic hydrothermal gasification. The device mainly comprises a CHG reactor, a wastewater temporary storage tank and a condensation heat exchanger, wherein the CHG reactor mainly comprises a shell, a thermocouple, a water distribution device and a filler bracket, the shell is provided with a feed port and a gas outlet, the filler bracket is used for supporting a catalyst filler and is arranged in the shell, the water distribution device is arranged in the shell above the catalyst filler, and the thermocouple is inserted into the side wall of the shell and extends into the catalyst filler. The condensation heat exchanger is communicated with the air outlet through a back pressure valve and a pipeline, the liquid inlet of the wastewater temporary storage tank is connected with the condensation heat exchanger through a high-pressure feeding pump and a pipeline, and the liquid outlet of the wastewater temporary storage tank is connected with the feeding port through the high-pressure feeding pump and a pipeline. The device can quickly convert high-concentration organic wastewater into clean energy or harmless gas at a low temperature under the action of a catalyst, greatly reduces the energy consumption in the treatment process, improves the treatment efficiency, and has potential application prospects.

A process for pressurizing bulk material in a hopper; wherein the hopper is configured as a lock hopper (29) containing a bulk material, a source of pressurized gas, lines (22, 26, 28) to convey the pressurized gas from the source to one or more inlets (30) of the lock hopper, a valve arranged in the lines, wherein the opening position of said valve (34, 35) is controlled to provide pressurizing gas to the lock hopper at a preset constant gas volume flow rate.

The invention discloses a pyrolysis gasification treatment integration box for garbage. The pyrolysis gasification treatment integration box comprises a box body, a feeding system, a pyrolysis system,a heating system and a smoke purification system, wherein the feeding system comprises a feeding channel arranged on the top in the box body; two ends of the feeding channel are respectively providedwith a feeding hole and a discharge hole; the feeding hole penetrates through the wall of the box body to be positioned on the top of the box body; a material scraping mechanism capable of driving the garbage is arranged in the feeding channel; the pyrolysis system comprises a pyrolysis furnace arranged in the box body; a pyrolysis cavity is arranged in the pyrolysis furnace; the discharge hole is communicated with the pyrolysis cavity; the heating system is arranged on the pyrolysis furnace for heating the garbage in the pyrolysis cavity; the pyrolysis furnace is provided with a smoke outlet; the smoke outlet is connected with the smoke purification system; a stirring structure capable of stirring the garbage is arranged in the pyrolysis furnace. Through the feeding system, the garbage is sent into the pyrolysis furnace in sequence to prevent a situation that a great quantity of garbage enters the pyrolysis furnace to be accumulated in one time so as to lower pyrolysis efficiency. The pyrolysis gasification treatment integration box for the garbage is applied to garbage treatment equipment.

A method for using a downdraft gasifier comprising a housing and a refractory stack contained within the housing. The refractory stack may comprise various sections. Apertures in the sections may be aligned to form multiple columnar cavities. Each columnar cavity may comprise an individual oxidation zone. The method of use may include the steps of placing a feedstock into an upper portion of the refractory stack, measuring the temperature of each columnar cavity, and adjusting the flow of oxygen to a particular columnar cavity to maintain the temperature of the particular columnar cavity within a particular range.

The invention relates to an inner spiral multi-condition electromagnetic heating biomass efficient pyrolysis and gasification furnace. The inner spiral multi-condition electromagnetic heating biomassefficient pyrolysis and gasification furnace comprises a heating system, a steam self-producing spraying system and a bearing temperature dissipating system; the heating system comprises a cylinder body, a material conveying helix, an asbestos heat-insulating layer and an electromagnetic coil; the steam self-producing spraying system comprises a miniature make-up pump, a heated copper pipe, a steam generator, a steam nozzle and the like; steam generated by the steam generator enters the cylinder body through the nozzle to be subjected to reaction; and the bearing temperature dissipating systemcomprises a sealing bearing, a flange disk and a radiator. The inner spiral multi-condition electromagnetic heating biomass efficient pyrolysis and gasification furnace is specifically provided withan efficient electromagnetic heating system and a gas and steam self-producing spraying system, the device heats the cylinder body and the material conveying helix by an electromagnetic heating mode,materials are heated uniformly through conveying and stirring, pyrolysis and gasification of the materials are accelerated, different atmosphere conditions are provided for pyrolysis of biomass by introducing different gases and steam, the yield of pyrolysis gas and oil products is increased, and the quality of charcoal is improved to a certain degree.

The present application thus provides a gasifier for use in converting a feedstock material into a syngas. The gasifier may include an outer chamber, a reaction zone positioned within the outer chamber, and a disruption device maneuverable within the outer chamber to ensure a steady flow of the feedstock material into the reaction zone without bridging.

The invention provides a biomass fuel gasification furnace. The biomass fuel gasification furnace comprises a reaction box, supporting legs, a feeding unit, an air valve unit, an air guide unit and amaterial containing unit. Supporting feet are evenly arranged at the lower end of the reaction box, a feeding unit is arranged in the upper end of the reaction box, an air valve unit is arranged on the side wall of the left end of the reaction box, an air guide unit is arranged on the side wall of the right end of the reaction box, and a container is arranged in the lower end of the reaction box.The invention solves the problems as follows: according to an existing biomass fuel gasification furnace, fuel in the gasification furnace cannot be fully combusted, so that internal gas emission is affected by insufficient combustion of internal fuel particles, waste of the fuel particles combusted in an internal fuel cylinder cannot be completely discharged, and the environment is polluted are solved, the waste is accumulated in the inner fuel cylinder, and the internal capacity of the inner fuel cylinder and the combustion of the waste are influenced; besides, the internal air pressure of the existing gasification furnace cannot be balanced, so that the use safety of the gasification furnace is influenced, and the like.

The invention relates to an integrated type biomass self-operated cyclone gasification combustion furnace, and belongs to biomass gasification furnaces. The technical problems that an existing biomass combustion furnace is severe in environmental pollution and incapable of outputting biomass char are mainly solved. According to the technical scheme adopted for solving the technical problems, the integrated type biomass self-operated cyclone gasification combustion furnace comprises a shell, a furnace foot, a furnace ring cover, a flue, a furnace door, a plug board groove, a plug board and a furnace base frame; the combustion furnace further comprises an inner barrel, a multiple rows of primary air inlet holes, a plurality of primary air adjusting grooves, a char discharging hopper, a combustion chamber inner barrel, a combustion chamber outer barrel, a secondary air inlet, eight to ten guide vanes and a plurality of primary air adjusting rings, primary air adjusting knobs and barrier strips; the shell is a bottomless cylinder; the inner barrel is arranged in an inner cavity of the shell and located on the middle-lower portion of the inner cavity of the shell; the shell and the inner barrel are together installed on a bracket composed of the furnace foot and the furnace base frame; the furnace door is arranged on the bottom surface of the inner barrel.

The invention relates to a gasification furnace built-in tar gasification circulating system which comprises a feeder, a gasifier and a separation cooler which are sequentially connected, wherein the gasifier comprises a furnace body; the top of furnace body is provided with an automatic cover opening/closing mechanism; the outside of the furnace body is connected with an air intake mechanism and a cooling mechanism; the bottom of the furnace body is provided with an ash discharge mechanism; a tar gasifier is arranged above the ash discharge mechanism; the tar gasification mechanism comprises an inner liner and an outer liner; the top and bottom of the region between the inner liner and outer liner are respectively provided with a seal-structure upper cover and a bottom plate which is uniformly distributed with small holes; a gasifying agent is arranged on the bottom plate; wood charcoal generated by gasified biomass falls on the ash discharge mechanism and is accumulated in the inner liner; and the outer side of the outer liner is provided with a gas outlet pipe and the separation cooler. The gasification furnace built-in tar gasification circulating system is reasonable in design, simple to operate and convenient for maintenance, and has the advantages of high safety linkage coefficient, high automation degree, high continuous gas production capacity and high gas purity. The gasification furnace built-in tar gasification circulating system performs circulating gasification on the tar generated by the reaction, so the fume and tar emissions are low, thereby greatly lowering the environment pollution and especially air pollution.

The invention discloses a gasifier baking device capable of automatically adjusting temperature, and belongs to the technical field of coal gasifiers. The gasification furnace baking device capable of automatically adjusting the temperature comprises a gasification furnace and a baking furnace assembly, the gasification furnace comprises a furnace wall, a coal inlet is formed in the top end of the furnace wall, a coal gas outlet is formed in the side face of the top of the furnace wall, and a cooling layer is arranged on the outer side of the bottom of the furnace wall. The oven assembly comprises an oven feeding device, a temperature detection device and an automatic control valve, the oven feeding device is detachably installed in the coal inlet, the automatic control valve is detachably installed at the end, away from the oven wall, of the coal gas outlet, and the temperature detection device is installed on the outer side of the middle of the oven wall; and the temperature detection device is connected with the automatic control valve through a heat-resistant hose. According to the invention, the problems that the internal temperature of the gasification furnace is difficult to keep equivalent and the temperature control precision of the baking furnace is not enough in the baking furnace device on the market at present are effectively solved.

This disclosure relates to systems for the fast pyrolysis of organic matter. More specifically, it relates to systems for the catalytic modification of vapors created during the fast pyrolysis of organic matter to create transportation fuel or a transportation fuel component. The inventive systems either catalytically stabilize or convert at least a first portion of pyrolysis vapors, then combine them with a portion of raw, unconverted bio-derived pyrolysis vapors at a temperature and pressure sufficient for molecules of the combined vapors to react and produce hydrocarbons of increased molecular weight that are suitable for use as a hydrocarbon transportation fuel or component thereof.

The invention includes a downdraft gasifier having a rotatable auger/grate extending through its reduction zone. The auger at times moves biofuel through the gasifier and at times supports it in the gasifier. A frusto-conical biomass grate funnels biomass onto the auger and is perforate for permitting the passage of gases while retaining the biomass. A guide tube surrounds the auger below the frusto-conical biomass grate. The invention also includes mixing gas or solid particulate fuel in a conduit segment that houses a mixing chamber. Fuel is fed through a fuel inlet port into the mixing chamber. High velocity combustion air from a blower is forced into the mixing chamber through a restricted orifice that generates a suction pressure for drawing gas or solid particulate fuel into the mixing chamber. A combustion chamber supply conduit delivers fuel from the mixing chamber into a burner.

A syngas generator has at least pyrolysis unit and a cracking unit which recycles treated input therein. The pyrolysis unit may recycle treated char to provide input heat for feedstock. The cracking unit may recycle syngas to assist in treating input gas/vapor mixture.