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| Number | Title | Issue Date |
| 7900567 | Shielding arrangement for the smelt spout area of a recovery boiler A method for improving the operation safety of the smelt spout area of a recovery boiler, which smelt spout area comprises a working area (6), as well as smelt spouts (2) connected to the lower part of the boiler for directing the smelt from the boiler... | 03/08/2011 |
| 7375643 | Through a wall combustion detector A detector of combustion products in air gaps adjacent to chimneys or flues has an air gap detection unit coupled to a displaced control unit. The control unit can be located adjacent to a proximal, exposed, surface of a wall. When so installed, the detection unit i... | 05/20/2008 |
| 7244401 | Apparatus for separation of constituents from matrices The present invention provides an apparatus useful for the separation of hazardous and non-hazardous organic and inorganic constituents from various matrices. A method of separating such constituents is also provided. ... | 07/17/2007 |
| 7042362 | Apparatus for monitoring leakage of process cooling water in furnace A method and an apparatus thereof for monitoring leakage of process cooling water (PCW) in a furnace. In the method, a bellows used to deliver the process cooling water is covered by a protecting tubing, so as to protect the bellows from being corroded by the proces... | 05/09/2006 |
| 6883441 | Incinerator room for quick destruction of sensitive documents An incinerator room to store secret documents and destroy them automatically according to a burn sequence by spraying slow burning flammable liquid on the contents of said room from one or more reservoirs. A control circuit, preferably supplied with energy from a se... | 04/26/2005 |
| 6619215 | Incinerator with a heat-insulating shield An incinerator includes a furnace, a heat-insulating shield, an air conduit, an air blower, and a dryer. The heat-insulating shield has a top wall, a vertically extending peripheral wall that extends downwardly from the top wall and that surrounds and tha... | 09/16/2003 |
| 6619216 | Incinerator with a dryer and a control unit for controlling temperature in the dryer An incinerator includes a furnace, a heat-insulating shield, an air conduit, an air blower, and a dryer. The heat-insulating shield has a top wall, a vertically extending peripheral wall that extends downwardly from the top wall and that surrounds and tha... | 09/16/2003 |
| 6173662 | Method and apparatus for containing and suppressing explosive detonations A mobile apparatus, and method of operation, for controlling and suppressing the explosive destruction of munitions by detonation in an explosion chamber. The apparatus comprises a double-walled steel explosion chamber which is moved by wheeled carriage m... | 01/16/2001 |
| 6146596 | Soil remediation apparatus with safeguard system The present invention is an improved apparatus and method for its use in the decontamination and remediation of soils laden with organic hydrocarbons and toxic inorganic compounds. The soil to be treated is placed in a soil treatment tray which is subsequ... | 11/14/2000 |
| 5979340 | Pole inserting robotic mechanism for accessing the interior of a harsh enclosure A robotic mechanism which can be attached to a furnace hopper and includes a frame which supports a pole insertion mechanism for inserting a pole into a furnace hopper. The pole insertion mechanism is supported from the Fame by a gimbal and moves the pole... | 11/09/1999 |
| 5881654 | Combustion apparatus for highly energetic materials The specification describes a system for the thermal treatment of energetic materials which generate a tremendous volume of gaseous products upon combustion. The system includes a containment system which maintains an interface between hot exhaust gas pro... | 03/16/1999 |
| 5727481 | Portable armored incinerator for dangerous substances A mobile incinerator suitable for burning explosive material, has armored walls capable of withstanding internal explosions, a primary combustion chamber within which initial burning of the material to be incinerated takes place, a secondary combustion ch... | 03/17/1998 |
| 5579704 | Apparatus for disposing of refuse by thermal oxidation A unit for disposing of refuse and contaminants by thermal oxidation includes a housing having a bottom, side walls and a top disposed in surrounding relation to an interior thereof. A partial wall structure divides the housing interior to define a first ... | 12/03/1996 |
| 5388537 | System for burning refuse-derived fuel A system for disposing of refuse-derived fuel ("RDF") and converting the refuse-derived fuel into a fuel gas is described. The system includes a positive pressure combustion chamber and a feed system for feeding the RDF into the combustion chamber at high... | 02/14/1995 |
| 5361795 | Furnace waste water freeze protection method A method to prevent freezing of water in a conduit that carries the water out of a building. The method uses a device that alternately accumulates the water in a container and then dumps it. The water is then carried to the outside of the building through... | 11/08/1994 |
| 5339752 | Livestock incinerator A livestock incinerator is provided, and includes a compartment or incineration chamber defined by opposite sidewalls, opposite end walls, a bottom wall, and an open top which is selectively closed by a plurality of lids pivotally connected to the walls o... | 08/23/1994 |
| 5287817 | Emergency shutdown system for a hazardous waste incinerator A system for the controlled safe shutdown of a hazardous waste incinerator upon loss of power. The system includes a primary combustion chamber and a secondary combustion chamber, a gas treatment system, and two standby power sources. One standby power so... | 02/22/1994 |
| 5287048 | Electronic gas valve power interruption switch An electronic safety circuit for a portable gas heater includes a transformer and half wave rectifier connected in parallel with a fan motor for charging a capacitor, and a solid state switching circuit, which may be either a pair of cascaded transistors,... | 02/15/1994 |
| 5247998 | Chimney fire extinguishing apparatus An apparatus arranged to orient a closure cap over an entrance opening of a chimney stack to prevent a fire from projecting through the stack with the apparatus to include a spring-biased member and a fusible link permitting release of a plug member to se... | 09/28/1993 |
| 5191846 | Self-contained household garbage incinerator The present invention includes a chamber for containing refuse, a porous membrane at least partially enclosing the chamber, and a housing enclosing the porous membrane and the chamber. Combustion fuel is supplied to the porous membrane so that surface com... | 03/09/1993 |
| 5048430 | Method of stopping combustion in restrained combustion furnace in safety and combustion stop system therefor A method of stopping combustion in a restrained combustion furnace in which wastes to be incinerated are gasified and then burnt with an air amount lower than a theoretical combustion air amount, in case of emergency, the method including steps of shuttin... | 09/17/1991 |
| 5012766 | Safeguard arrangement for plant A safeguard arrangement for a plant, which comprises a plant auxiliary provided with a lid and so designed that the lid is opened for maintenance of the inside thereof, switching means installed on a piping connected to said plant auxiliary, and driving m... | 05/07/1991 |
| 4981088 | Slag eliminator for furnace viewing system An anti-slagging apparatus for a furnace viewing system removes slag build up deposited on a closed circuit television camera lens tube by occasionally releasing a blast or large volume of air through specially designed ports surrounding the tube containi... | 01/01/1991 |
| 4972998 | Method and system for preventing explosions within a solid waste disposal facility A method and a system are provided for preventing explosions within solid waste disposal facilities having a shredder, a shredder infeed conveyor, a shredder discharge conveyor, a trough conveyor, and a boiler. The system includes a gas sensor, a foam gen... | 11/27/1990 |
| 4905632 | Safeguard arrangement for plant A safeguard arrangement for a plant, which comprises a plant auxiliary provided with a lid and so designed that the lid is opened for maintenance of the inside thereof, switching means installed on a piping connected to said plant auxiliary, and driving m... | 03/06/1990 |
| 4881472 | Ignition system and control means for pelletized-fuel furnace A furnace system for the automatic, continuous and efficient ignition and combustion of pelletized or similar fuel. An electric-arc ignition means responsive to a thermostat is combined with a non-conductive refractory fire pot with air passageways on the... | 11/21/1989 |
| 4770108 | Two-way vent cap for controlled atmosphere furnace A vent cap for a heat treating furnace provides bidirectional pressure relief. The cap is weighted and balanced over the furnace vent such that the vent is closed as long as the furnace has a slightly positive internal pressure. If the internal pressure e... | 09/13/1988 |
| 4759299 | Deslagger for instrument equipped boiler port An instrument assembly is mounted to view the inside of a furnace or boiler, its probe extending into a port in the furnace wall. To remove slag built up within the port, a deslagger unit is mounted upon the assembly and includes a shiftable blade surroun... | 07/26/1988 |
| 4751886 | Smokeless pyrolysis furnace with ramp and soak temperature control system A batch-type pyrolysis furnace fired by a main heat source such as a gas burner or an electric heating coil in combination with an afterburner to burn volatiles generated in the furnace's main chamber, is operated to incinerate high-polymer loads smokeles... | 06/21/1988 |
| 4731016 | Explosion relief sealing apparatus for a paint baking oven A releasable and gas tight sealing apparatus for construction panels of a paint baking oven which relieves the buildup of gas pressure within the oven in the event of an explosion. The apparatus has tongue and groove members and a compressible cord rope r... | 03/15/1988 |
| 4729328 | Trap assembly for a condensing fossil fuel furnace An improved trap assembly for a high efficiency fossil fuel furnace includes a vertical tube closed at its lower end with a condensate inlet immediately above the lower end and a condensate outlet above the inlet. A flue gas inlet is provided at the top e... | 03/08/1988 |
| 4702178 | Emergency exhaust system for hazardous waste incinerator An emergency exhaust system (59) is provided for a mobile incineration system (10). A hinged gate (76) controls access to the emergency exhaust system (59), and operates only upon the sensing of a malfunction in one of a plurality of critical incineration... | 10/27/1987 |
| 4681086 | Viewing instrument for chimney An instrument for viewing the vent of a chimney while the chimney is working that includes a quartz rod that is mounted in the chimney above the flue entrance thereto. The rod is adapted to transmit light travelling down the chimney to a viewing station o... | 07/21/1987 |
| 4649834 | Temperature control system for pyrolysis furnace A batch-type pyrolysis furnace fired by a main gas burner and an afterburner, is effectively safeguarded from explosions and runaway fires due to an undue build-up of flammable vapors within its main chamber, by the simple expedient of maintaining a fire ... | 03/17/1987 |
| 4639210 | Process for monitoring the heat gradient in a heat-producing system A process for monitoring the heat gradient in a heat-producing system is disclosed. Also disclosed is an apparatus which can be used in the process. In this process, at least three heat sensors, which are situated downstream from a heat source, determine ... | 01/27/1987 |
| 4598648 | Fire failure safety control for stokers A control circuit for a stoker-fed heating system is effective, whenever the primary sensing control (thermostat or aquastat) of the system calls for heat, to determine whether there is sufficient fire in the furnace to assure maintained combustion, and i... | 07/08/1986 |
| 4577565 | Detection of radioactive accumulations within an incinerator Radiation detectors measuring gamma radiation from radioactive accumulations in an incinerator through low density refractory windows therein for burning combustible, contaminated wastes from nuclear fuel manufacturing activities.... | 03/25/1986 |
| 4557203 | Method of controlling a reclamation furnace This invention relates to an improved method of controlling temperatures within a cleaning or reclamation furnace which is normally used to reclaim metal parts contaminated with combustible materials by pyrolyzing the combustible materials. A reclamation ... | 12/10/1985 |
| 4486743 | Creosote buildup detector and annunciator A creosote buildup detector utilizes a change in temperature between two sensors. The temperature between the two sensors changes as the creosote builds up. This change in temperature is established by providing an electric heater to heat one of the senso... | 12/04/1984 |
| 4463346 | Creosote detector A creosote detector for ascertaining a critical amount of creosote buildup on a chimney flue includes a collector probe mounted contiguous to the chimney flue for a buildup of creosote material thereon. An electrical resistance is variously detected corre... | 07/31/1984 |
