Abstract: The invention is directed to a burner grate (7), gas cooking hob, gas stove top and gas stove. For obtaining sufficient secondary air supply for inner flame exit ports (6) of a gas burner (4) of a gas cooking hob (3), a burner grate (7) adapted to be placed over the gas burner (4) and to support cooking vessels placed on the gas cooking hob (3) is proposed, which burner grate (7) comprises a feeder duct (12) extending from an outer region (13) to a mid section (14) thereof, and is adapted and implemented for feeding air towards flames of inner flame exit ports (6).

Abstract: A portable device for noninvasively treating Meniere's disease and similar conditions by introducing pressure pulses into an ear canal to vibrate auditory ossicles through a tympanic membrane. The device includes a pump unit for generating the pressure pulses, wherein the pump unit includes a Voice Coil Motor and a diaphragm pump that is driven by the Voice Coil Motor; an earpiece for transmitting the pressure pulses to a tympanic membrane; a controller for controlling the pump unit; and an alarm lamp. When the device detects no pressure pulses being generated even when the pump unit is operated, the alarm lamp is lit and an error message is displayed on the indicator, and when the device detects the earpiece being disconnected from the ear of the user, the microcomputer stops counting the time elapsed and the alarm lamp is lit and an error message is displayed on the indicator.

Abstract: A dispensing device for dispensing doses of non-individually packaged pills at a plurality of pre-specified dosing times includes a housing that holds a removable magazine, a dispensing unit and an electronic circuit. The removable magazine is configured to hold a stack of the non-individually packaged pills. The dispensing unit is configured to operate on the removable magazine to dispense a pre-specified dose of the pills upon receipt of a signal. The electronic circuit includes a timer that provides the signal at the pre-specified dosing times to activate the dispensing unit to dispense the pre-specified dose.

Abstract: A burner apparatus (10) for a process heating system (400) includes a combustion air damper (48) to control the volume of air in the combustion chamber (98). Top (15), bottom (17), and sidewalls (14) of the chamber are of steel without refractory material lining while a fuel door (178) is steel with refractory material lining (186). A flue gas damper (34) selectively allows or disallows flue gas out of the chamber. A cooling jacket (18) of a steel sheeting surrounds and is narrowly spaced from the combustion chamber top, bottom, and sidewalls. The cooling jacket conducts air, transfers heat from the combustion chamber top, bottom, and sidewalls to thereby prevent overheating, and generates heated air. A turbulation device (38) combines flue gas and heated air into a turbulent air-gas mixture, completes combustion, and outputs a heated gas stream.

Abstract: An apparatus is described for burning organic substances, comprising a horizontal combustion chamber (2) provided in a housing (1) and heat-insulated against said housing (1), and a counter-flow heat exchanger (8) which preheats the combustion air with the help of the hot exhaust gases from the combustion chamber (2) and which forms a flow duct (10) for the combustion air between the combustion chamber (2) and a heat-exchanger wall (9) enclosing the combustion chamber (2), as well as a flow duct (11) for the hot exhaust gases on the side of the heat-exchanger wall (9) averted from the combustion chamber (2).

Abstract: An incinerator (10) comprising a combustion chamber (11) and a plurality of combustion-promoting fluid blast pipes (19) disposed so as to project from one location on the inner wall (12) of the combustion chamber, extend in that vertical direction and exit to the exterior from another location, wherein the combustion-promoting fluid blast pipes (19) are of a triple-pipe construction, composed of an air-supply pipe (20a), a steam/gas-supply pipe 20b provided outside thereof which supplies steam or combustible gas, and a water pipe which is provided further outside thereof, and nozzles (21), which are formed on these combustion-promoting fluid blast pipes (19), are formed in a position facing in one circumferential direction of the combustion chamber (11) so that a combustion-promoting fluid blown out from these nozzles forms a swirling flow within the combustion chamber (11).

Abstract: The invention consists of a cylinder within a cylinder with the inner cylinder acting as the firebox while the outer cylinder is the water tank. The top of the inner cylinder exceeds the height of the outer cylinder and consists of a top lid through which wood is introduced. An air blower is specially cofigured to create a vortex of air which feeds the fire.

Abstract: 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 that is spaced apart from the furnace by a gap, and an open bottom end. The peripheral wall of the heat-insulating shield has an air outlet that is disposed adjacent to the top wall and that is in fluid communication with the gap. Atmospheric air is introduced via the open bottom end through the gap and the air conduit and into the dryer. A feed motor is used to deliver solid waste into the furnace. A control unit controls rotating speed of the feed motor based on temperature in the dryer so as to adjust the temperature in the dryer.

Abstract: 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 that is spaced apart from the furnace by a gap, and an open bottom end. The peripheral wall of the heat-insulating shield has an air outlet that is disposed adjacent to the top wall and that is in fluid communication with the gap. Atmospheric air is introduced via the open bottom end through the gap and the air conduit and into the dryer.

Abstract: 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 that is spaced apart from the furnace by a gap, and an open bottom end. The peripheral wall of the heat-insulating shield has an air outlet that is disposed adjacent to the top wall and that is in fluid communication with the gap. Atmospheric air is introduced via the open bottom end through the gap and the air conduit and into the dryer. A feed motor is used to deliver solid waste into the furnace. A control unit controls rotating speed of the feed motor based on temperature in the dryer so as to adjust the temperature in the dryer.

Abstract: A incinerator comprises a framework, a liquid-vapor tank, a plurality of liquid tanks, and at least two fluid dryer tanks. The framework provides a plurality of elongated horizontal frames fixedly attached to a front and a rear walls thereof respectively. The liquid-vapor tank strides the framework and occupies a top area thereof. The liquid tanks each are disposed under the liquid-vapor tank and occupy a space confined by two neighboring horizontal frames respectively. The fluid dryer tanks each are disposed below the liquid tanks. The liquid from the liquid source may enter the liquid tanks and the liquid-vapor tank and a specific water level may be maintained constantly. The vapor can move outward from the vapor discharge pipes and is collected for further use and the dense fluid can be filled into the fluid dryer tanks and is dried up slowly and to be recycled for the energy saving and the environment protection.

Abstract: The furnace is intended for burning solid fuel (mainly fire-wood) in continuous mode of operation, with significant amount of heat released in the form of hot combustion products usable in wood-drying installations, for house heating, destroying of refuse, etc. The invention allows simplifying the design of the furnace, features high efficiency of fuel burning and high power density, and improves reliability and serviceability. The furnace includes the shaft loading hopper (1), the combustion chamber (2) located under the loading hopper (1), and the expansion chamber (3) located behind the combustion chamber (2) and provided with the forced ventilation (5). The atmospheric air, heated to the temperature of combustion products in the expansion chamber (3), is supplied to the combustion chamber (2).

Abstract: A method for reducing NOx emissions from the combustion of carbonaceous fuels using three stages of oxidation and second stage in-situ furnace flue gas recirculation. In the first stage, a partial oxidation combustor is used to partially combust the fuel in the presence of preheated combustion air. The fuel gas produced in the partial oxidation process is passed to a second stage partial oxidation combustor while molten slag is removed and disposed of. Preheated combustion air also is introduced into the second stage of combustion to produce a slightly reducing flue gas and is injected into the furnace in such a way as to create the desired in-situ furnace flue gas recirculation. In the upper part of the furnace a third combustion air is mixed with the flue gas in a third stage of combustion to substantially complete the combustion process. Preheated steam may be added to the first or second stages of combustion.

Abstract: A method for reducing NOx emissions from the combustion of carbonaceous fuels using two sequential stages of partial oxidation followed by a final oxidation stage. In the first stage, substoichiometric air condition of about 0.55 to 0.75 is used in a plug flow fashion, while second stage combustion is performed at a stoichiometric ratio of about 0.80 to 0.99. As the second stage combustion products are cooled by radiant heat transfer to the boiler furnace walls, overfire air is added to produce an stoichiometric ratio of about 1.05 to 1.25 to complete the combustion process. In this manner, the formation of thermal NOx is reduced.

Abstract: The firing performance of a radial, scroll, or vortex cyclone furnace can be improved when firing difficult to burn materials having a relatively low heating value or a relatively high moisture content, such as sub-bituminous and lignite coals. This can be achieved by introducing additionally heated primary air into the burner of the radial and vortex cyclone furnace or separately introducing preheated or additionally heated auxiliary air into the scroll burner. Moreover, additionally heated tertiary air can be introduced into the radial and scroll burners to further improve firing performance. Moreover, additionally heated primary air can be mixed with the coal before introducing the mixture into the scroll burner to further improve firing performance.

Abstract: In an incinerator having a housing structure defining a combustion chamber provided with a pair of side walls, a stoker disposed in the combustion chamber between the side walls and an underfire air system, an overfire air system generally consisting of a first means for injecting a variable volume of air under pressure into the combustion chamber at a level above the stoker, and second means for injecting a variable volume of air under pressure into the combustion chamber at a level above the stoker, a second variable volume air injecting means including means for conveying air supplied to the combustion chamber in heat exchange relation with at least one side wall of the combustion chamber for cooling such wall.