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| Number | Title | Issue Date |
| 4485745 | Method for thermal processing of solid waste and the apparatus for carrying out the method In a method of thermal solid waste exploitation the pure pyrolysis gases are used for auxiliary heating in combustion and the flue gases from combustion are used for heating in pyrolysis. In a solid waste processing installation the pure gas outlet of the... | 12/04/1984 |
| 4466361 | Method and apparatus for waste incineration A system including a method and apparatus for incinerating toxic and non-toxic waste materials. The system involves the use of a pre-treatment agent which is capable of insuring flowability in the waste materials to be incinerated. The agent is mixed with... | 08/21/1984 |
| 4437418 | Methods of and apparatus for treating waste products This invention relates to methods of and apparatus for treating waste products. The apparatus comprises a furnace 1 and a recuperator 2, the furnace comprising at least one rotary section 4 for combustion and/or pyrolysis of the waste products and a stati... | 03/20/1984 |
| 4437419 | Incinerator Apparatus and process for incinerating waste and reclaiming resources, particularly ferrous metals, galss, and aluminum, in separate output streams. The incinerator itself can use combustion draft air as a medium for separating lighter and heavier fractio... | 03/20/1984 |
| 4432344 | Method and apparatus for solar destruction of toxic and hazardous materials Toxic and hazardous organic materials are photochemically and thermally changed into innocuous and environmentally acceptable products through the proper application of solar energy. The present invention is especially well-suited for the destruction of p... | 02/21/1984 |
| 4424755 | Incineration system having cyclonic oxidation chamber An incineration system includes a rotary drum incinerator unit having a primary oxidation chamber and a secondary oxidation chamber for receiving gases of combustion from said primary chamber. The secondary chamber has a plurality of coaxially arranged wa... | 01/10/1984 |
| 4408547 | Heating boiler The invention concerns a heating boiler operating on solid, comparatively finely divided fuel, such as chips or peat, and which is used to produce hot water or steam. The boiler comprises a furnace, in which the grate consists of a shell-like burning bask... | 10/11/1983 |
| 4399756 | Refuse burning process A process is provided for burning refuse containing polyvinyl chloride without the consequent production of phosgene. The refuse is carbonized in a rotary furnace at temperatures below 1200 degrees F., especially 700 degrees F., in an oxygen deficient atm... | 08/23/1983 |
| 4395958 | Incineration system An incineration system for processing solid, semi-solid waste material and sludge includes an incinerator unit which has a horizontally disposed rotary primary oxidation chamber and a generally vertically disposed secondary oxidation chamber which receive... | 08/02/1983 |
| 4391206 | Tubular rotary furnace for incinerating refuse and the like, with inner demountable grid Tubular cylindrical rotary furnace for incinerating refuse and the like, equipped at the inner periphery with grid-shaped means (5) inclined towards the inside and in the direction of the cylinder (1) angular feed; each of said grid-shaped means is suppor... | 07/05/1983 |
| 4361100 | Procedure and installation for the incinerating of sludge In a procedure and an installation for the incinerating of sludge, predried sludge is dried to residual moisture by the addition of heat in a first processing step and then pyrolized by the continued addition of heat and the exclusion of air in a second p... | 11/30/1982 |
| 4350102 | Combined combustion and melting furnace for solid, pasty and liquid waste materials A rotatable drum is equipped at a front end with a burner for liquid waste materials and at a rear end has a tiltable charging mechanism for solid waste materials and waste materials stored in barrels. The rear end of the drum is sealed by a fixed casing ... | 09/21/1982 |
| 4339999 | Combination refuse pyrolysis and moisture reduction apparatus An improved method and apparatus for pyrolyzing waste materials and recovering useful chemical and energy rich materials therefrom. The apparatus of the invention comprises a specially designed, rotatable pyrolysis chamber and a cooperating rotatable mois... | 07/20/1982 |
| 4338868 | Refuse burning process and apparatus A process is provided for burning refuse containing polyvinyl chloride without the consequent production of phosgene. The refuse is carbonized in a rotary furnace at temperatures below 1200° F., especially 700° F., in an oxygen deficient atmosphere. A b... | 07/13/1982 |
| 4315712 | Loading method and device for feeding waste-filled containers into a rotary incinerator A loading method and loading device for feeding waste-filled containers into a rotary incinerator, wherein open topped containers are filled with liquid, pasty, or solid waste materials and are fed sequentially using a reciprocating ram via a slide onto a... | 02/16/1982 |
| 4303477 | Process for the pyrolysis of waste materials The emission of halogens and sulfur dioxide and the formation of water-soluble compounds of heavy metals are suppressed in the pyrolysis of waste in a carbonization zone at a temperature in the range from 300° to 600° C. by adding a fine-grained basic m... | 12/01/1981 |
| 4301750 | Method for pyrolyzing waste materials An improved method for pyrolyzing waste materials and recovering useful chemical and energy rich materials therefrom. The apparatus of the invention includes a specially designed, rotatable combustion chamber and embodies a highly novel means for withdraw... | 11/24/1981 |
| 4288215 | Method and apparatus for preheating a rotatable fluidizable bed A method for preheating a rotatable fluidizable bed (106) comprises rotating the bed chamber (112) slowly to cause the particles (114) to slowly tumble and mix. During tumbling, one or more burners (150, 160) extending into the chamber (112), heat the par... | 09/08/1981 |
| 4282009 | Rotating fluidized bed gasifier system PCT No. PCT/US79/00929 Sec. 371 Date Nov. 1, 1979 Sec. 102(e) date Nov. 1, 1979 PCT Filed Nov. 1, 1979 PCT Pub. No. WO81/01295 PCT Pub. Date May 14, 1981 A rotating fluidized bed gasifier system especially useful in compound engines comprising an annular ... | 08/04/1981 |
| 4274344 | Process for carbonizing an agricultural product A process for treating an agricultural product having a high silica content utilizes the steps of supplying hot gases and combustion air to a combustion zone, dispersing the agricultural product in the hot gases and combustion air for controlled burning t... | 06/23/1981 |
| 4274342 | Apparatus for carbonizing an agricultural product An apparatus for carbonizing an agricultural product utilizes a horizontally rotatable cylindrical vessel in which a pair of helical barriers are used to cause hot gases and combustion air to turbulate in a vortex about a central support member to cause v... | 06/23/1981 |
| 4266931 | Apparatus and method of heating particulate material The rotary combustion bed has a rotary drum with a permeable refractory lining through which air is blown during rotation of the drum and cascading of a charge of material in the drum. The air blown into the drum can be controlled to blow through various ... | 05/12/1981 |
| 4257335 | Incinerator The invention relates to an incinerator for crematories, including a combustion chamber provided with charge inlet, flue gas outlet, supply means for combustion air, heat supply means and ash outlet. The novelty resides in the fact that the combustion cha... | 03/24/1981 |
| 4245983 | Screw conveyor for feeding lime sludge or cement to a lime and cement kiln, respectively The invention relates to a feed conveyor for lime sludge to a lime kiln and, respectively, of cement to a cement kiln. The conveyor, which has the form of a screw conveyor, is characterized in that its housing is cooled by a cooling liquid so that a conde... | 01/20/1981 |
| 4245571 | Thermal reductor system and method for recovering valuable metals from waste A thermal reductor system is provided with a rotary ignition chamber having an input end, a discharge end of enlarged size relative to the input end and an inside chamber wall having a configuration for promoting natural flow of gases, smoke and ash disch... | 01/20/1981 |
| 4236465 | Material level checking apparatus for use in a rotary incinerating furnace A freely oscillating moving element (12-14-16), according to a radial axis with respect to the furnace wall (1) and having an inner appendix (12) deviated from the axis and with an outer counter-weight (16), can oscillate between two angular positions def... | 12/02/1980 |
| 4232614 | Process of incineration with predrying of moist feed using hot inert particulates Moist combustible matter is burned in a combustion zone following a drying treatment in which the combustible matter is brought into contact with hot, inert particulates circulated from the combustion zone. The water in the combustible matter is evaporate... | 11/11/1980 |
| 4226584 | Rotary combustor wall A rotary kiln or combustor having a plurality of water cooled pipes secured together to define a cylinder in which material is burned. The cylinder slowly rotates about its axis, and the pipes are secured together so as to define a plurality of intermedia... | 10/07/1980 |
| 4205613 | Apparatus for pyrolyzing waste materials An improved method and apparatus for pyrolyzing waste materials and recovering useful chemical and energy rich materials therefrom. The apparatus of the invention includes a specially designed, rotatable combustion chamber and embodies a highly novel mean... | 06/03/1980 |
| 4203376 | Treatment of waste A method for the production of heat comprises composting solid organic waste, preferably in admixture with sewage sludge, and burning the composted waste, for example in a kiln for calcining an inorganic calcinable material. The composted waste preferably... | 05/20/1980 |
| 4188892 | Method and apparatus for removal of fly ash from a waste incinerator with liquid slag discharge After the fly ash is removed from the flue gases by a separator, it is introduced into a combustion chamber which may be either the primary combustion chamber of the furnace or a separate chamber in a secondary combustion chamber. There, it is burned unti... | 02/19/1980 |
| 4186668 | System for the pyrolytic combustion of ligneous and other wastes A system for the combustion of moist ligneous and other wastes, such as sawdust and compacted household rubbish in order to generate heat. The system includes a crusher-extractor to divide the waste matter entrained in an air stream to produce a fuel mixt... | 02/05/1980 |
| 4168915 | Rotary drum A rotary drum for treating, especially upgrading, waste material, which includes a cylindrical mantle with an inlet and an outlet respectively provided at opposite ends of the drum and which is provided with annular guides for supporting the drum on stati... | 09/25/1979 |
| 4153411 | Rotary sludge drying system with sand recycle A process and system to dry wet sewage sludge with hot sand and to burn the dried sludge. The sand is heated in a sand heater by burning dried sludge, and the hot sand is transferred to a sludge dryer. Wet sludge is mixed with the hot sand in the sludge d... | 05/08/1979 |
| 4108088 | Rotary incinerator An incinerator or dryer for sewage sludge and the like includes a horizontal rotating combustion chamber with a protruding internal helical conveyor. The wet sludge enters at one end and dry ash is discharged from the other end. Heat scavenging devices in... | 08/22/1978 |
| 4092098 | Method and apparatus for improved in situ combustion of pyrolysis gases in a kiln Temperature control is often a problem in direct-fired rotary kilns for the pyrolysis of carbonaceous materials wherein at least part of the thermal energy for pyrolysis is obtained by in situ combustion of the pyrolysis gases. The present process and app... | 05/30/1978 |
| 4083752 | Rotary retort The ends of refractory-lined rotary kilns are often subjected to such intense heat flux that the steel shell of the kiln at either or both ends is subjected to substantial thermal expansion in both the longitudinal and circumferential directions, resultin... | 04/11/1978 |
| 4066024 | Rotating fluidized bed combustor A heated fluidized bed is formed by rotating a body of sand in a horizontal cylindrical drum, lifting and dropping sand from the bed through the open portion of the drum, and heating the region through which the sand drops. The drum is formed by a cylindr... | 01/03/1978 |
| 4052151 | Ore-processing systems including rotary kilns A rotary kiln has a main cylindrical processing zone which is coupled downstream and upstream, respectively, to the charge-receiving and charge-withdrawal ports of the kiln through a pair of gas-tight spiral ducts. A reagent to be reacted with the charge ... | 10/04/1977 |
| 4050388 | Refuse treatment apparatus A known form of refuse treatment apparatus, such as that disclosed in U.S. Pat. No. 3,405,873, is improved by directing the non-pulverized refuse material emerging from the treatment drum to a furnace combusts the same. The heat of combustion is directed ... | 09/27/1977 |
