Abstract:
An organic compound pyrolysis flashover energy-saving regeneration treatment system for remaking organic waste such as family\industrial garbage, sewer mud, agricultural waste and livestock excreta etc. to become liquid and solid regenerated organic compounds by using a waste pre-treatment unit, an organic waste steaming sterilization unit, an organic waste pyrolysis flashover unit, a green energy generation & steam regeneration unit, a solid-liquid organic compound separation unit, a liquid organic compound regeneration unit and a solid organic compound regeneration unit, which compounds are used as organic fertilizer or feed for livestock farming, the system can effectively achieve the objects of recovering resources, purifying environment, saving energy and reducing carbon and regeneration of organic waste for reuse, it further can increase the efficiency of environmental conservation.
Abstract:
A municipal or like refuse is crushing, separating ferrous metals, mixing with crushed limestone, drying up and loading in furnace of pyrolysis. An electronic and electric scrap is crushing, drying up from surface water and warming on 2-4° C. above temperature of transporting air, divide into concoction nonferrous and precious metals and dielectric fraction, which go in furnace of pyrolysis by specified air, cleaned from dust and moistened up to 100% moisture by water. At mixing with dielectric fraction temperature of the air increases, relative moisture falls down to level, excluding condensation of moisture and spark formation in system. Pyrolysis is carried out under simultaneous neutralization of allocated hydrogen chloride by limestone with reception of calcium chloride. Gas allocated at pyrolysis condensing and dividing to water and organic phases (liquid fuel). Solid products of pyrolysis together with ash and slag supplied from landfill blade of heat power station, washing by specified water phase for dissolving of calcium chloride and extracting ions of heavy metals, then centrifuging. Filtrate and washing water cleanse from heavy metals. Solid products of pyrolysis move for incineration in combustion chamber. Combustion chamber slag, cleanse from heavy metals and not burned-out fuel in slag of heat power station, cool by air, which is then used in combustion chamber. Slag concrete products expose by the thermohumid processing by part of humid chimney gases after drying the calcium chloride, the other part gas is going to production of the carbonic acid.
Abstract:
Solid combustible waste materials are converted into highly efficient fuel by subjecting such materials to size reduction in suitable size-reducing equipment. The last piece of the equipment is a mill which pulverizes the waste materials into fine particles having a high surface to mass ratio and forming a highly efficient fuel when these particles are directly injected into a combustion reactor operating at high temperature.
Abstract:
Solid combustible waste materials are converted into highly efficient fuel by subjecting such materials to size reduction in suitable size-reducing equipment. The last piece of the equipment is a mill which pulverizes the waste materials into fine particles having a high surface to mass ratio and forming a highly efficient fuel when these particles are directly injected into a combustion reactor operating at high temperature.
Abstract:
Dumped solid waste is mixed with sand and fed through a shredder. Sorters sort aluminum glass and ferrous materials from the shredded waste, and an indirect fired dryer heats the remaining shredded waste. Dust in gases from the dryer is removed in a bag house. Sand is added to the dried, shredded waste, and the waste is cooled and stored in surge storage. The shredded, dried, cooled and stored waste is fed to one or more reducing chamber units. Waste is moved through individual chambers within the units with augers and is gravitationally fed between the chambers. Gases from the chambers are condensed, and the condensate is stored as oils. Solid products from the reducing chamber units are cooled. The sand is separated from the solid product. The resultant solid product and oils may be sold as fuel and feedstock, or the resultant product may be pulverized and combined with the oil in a slurry which is used as a fuel or a feedstock.
Abstract:
An in-line grinder has been developed which can be configured to perform in a variety of applications through the use of an adjustable rotor/stator assembly, removable shear bar, and a variety of interchangeable stator-rotor configurations. A unique drive system utilizing a mechanical seal cartridge provides maximum sealing with a minimum of shaft deflection and run-out, thereby improving performance. These improvements collectively allow the grinder to be configured for optimum sizing of solids to a predetermined particle size for a broad range of materials. It has been demonstrated that a class of in-line grinders such as that described herein is applicable for sizing drill cuttings for injection into a subsurface formation by way of an annular space formed in a wellbore. The cuttings are removed from the drilling fluid, conveyed to a shearing and grinding system that converts the cuttings into a viscous slurry with the addition of water and viscosity enhancing polymers. The system in its simplest form comprises a slurry tank, a pump, and the instant in-line grinder. The pump circulates the mixture of cuttings, water including sea water and chemicals between the slurry tank and the in-line grinder. The ground mixture leaving the in-line grinder is then routed to an injection pump for high pressure injection into the formation.
Abstract:
A system for waste-to-energy conversion of municipal solid waste and urban forest residue includes as a central element a vortex-cyclone suspended combustion zone furnace, supplied via a shredder and a rotary preheat kiln, and followed by a waste heat boiler. The combustion furnace takes the form of a horizontal tunnel-like structure into which solid waste material from the preheat kiln is introduced near an entry end, with separate exit ports for hot gas and ash at an exit end. The furnace has spaced horizontal waterwall tubes, between which forced draft air is injected in a circular pattern aided by vanes, producing a swirling overfire air curtain surrounding the vortex-cyclone suspended combustion zone along the length of the furnace. In the manner of a cyclone separator, a cylindrical structure surrounds the central exhaust gas opening, and extends from the exit end wall into the combustion chamber to a circular leading edge. This cylindrical structure minimizes non-combustible particulate content in the gas flow directed out through the central exhaust gas opening.
Abstract:
A fuels conversion which consumes energy and produces an aqueous waste is combined with a pressurized wet combustion which charges the waste, converting its combustible contaminants to energy returned to the conversion, concurrently purifying the waste for use or disposal. The heating value of the contaminants may be supplemented by an extraneous fuel, using the waste as slurrying medium, so that the combination is made energy self-sufficient. Transfer of heat may be by direct contact between hot combustion products and fuel being converted. Other processes which produce aqueous waste and consume energy may similarly be combined with the wet combustion.
Abstract:
A solid and liquid waste incinerator system is disclosed which utilizes the heat produced by the furnace to transform water into steam, the steam powering a steam turbine generator to produce electricity. Solid waste is automatically fed by conveyor belts into the opening in the upper portion of a gravity-fed furnace unit which has a rotating shredder unit for chopping and grinding solid waste. A rotating magnet selects the ferrous metals from the other solid waste materials at the entrance to the furnace unit. Adjustable nozzles are rotatably mounted to the furnace unit walls to inject fuel and oxygen which are ignited creating a flame. Burn grills are positioned to catch the falling solid waste and hold it in a position for combustion, and to release it after incineration is completed. Liquid waste, including toxic chemicals, are vaporized in an evaporation cylinder forming an inner chamber within the furnace unit.
Abstract:
A combined treatment process of domestic garbage and sewage, comprising the following steps: {circle around (1)} sorting iron out of the domestic garbage; {circle around (2)} crushing the domestic garbage in which the iron has been removed; {circle around (3)} feeding the crushed domestic garbage into a sewage treatment tank, adding water and blowing air into the sewage treatment tank, where the domestic garbage is divided into floating substances, suspended substances, and settled substances; {circle around (4)} salvaging, dehydrating and drying the floating substances and then combusting them as fuel; {circle around (5)} collecting, filtering and drying the settled substances, wherein the settled substances having a calorific value of more than 4180 kJ/kg are burnt as fuel, the burnt substances and the settled substances having a calorific value of less than 4180 kJ/kg are used to replace clay material in a cement plant or used for making bricks; {circle around (6)} adding a flocculant into the sewage in which the floating substances and the settled substances have been removed so as to make the suspended substances settle, the suspended substances which have been settled are treated according to step {circle around (5)}; and {circle around (7)} treating the sewage. The process of the present invention effectively combines the domestic garbage treatment and sewage treatment, realizing the comprehensive treatment of domestic garbage and sewage as well as efficient utilization of resources.