Abstract:
A method for detecting hazardous gas concentration from an exhaust duct of a gas turbine enclosure includes aggregating multiple exhaust air samples collected via a first and a second plurality of sampling ports disposed within the exhaust duct to provide first and second aggregated exhaust air samples to primary and secondary sensors disposed outside of the exhaust duct. The method further includes sensing hazardous gas concentrations within the first and second aggregated exhaust air samples, where the primary and secondary sensors communicate signals that are indicative of the hazardous gas concentrations and functionality of the primary and secondary sensors to a computing device. The method further includes monitoring the hazardous gas concentrations within the first and second aggregated exhaust air samples with respect to a percentage of a lower explosive limit and monitoring the functionality of the primary and secondary sensors via the computing device.
Abstract:
Cooking hob (1) with a surface plate (2), a conduit (5) for a gas-air mixture and at least one gas burner (3) having a burner body. The burner body comprises a base portion (4) and a planar burner head (6), and provides at least one aperture from which the gas-air mixture is exhausted and from which a flame may emerge. An impermeable tube (9) is provided of which the proximal end (9p) opens into a gap (b) between burner head (6) and a pan. A gas intake device (10) is provided to generate a suction force at the proximal end (9p) to draw exhaust gas there-through. A sensor (11) is disposed within the impermeable tube (9) which is adapted to measure the content of at least one target molecule in any exhaust gas drawn through the tube (9).
Abstract:
A thermostat control device is disclosed. The thermostat control device includes a temperature sensor, a cartridge sensor and a controller in communication with the temperature sensor and the cartridge sensor. The controller further includes a processor, a memory in communication with the processor, the memory storing processor executable instructions configured to: generate a furnace control signal in response to a temperature sensor signal; analyze a cartridge sensor signal received from the cartridge sensor against a threshold; and generate, if the cartridge sensor signal exceeds the threshold, an emergency furnace shutdown signal.
Abstract:
A regulator for a solid fuel heater comprises a fan (8), at least one variable air valve (7) and a controller, and two or more sensor inputs. The controller is arranged to control air flow to a primary air input and a secondary air input of the heater based upon readings taken from the sensors. Sensors comprise at least a combustion chamber temperature sensor, and at least one of a CO, 02, NOx, S, and a particulate sensor. The controller is adapted, in one mode of operation, to control airflow to the primary air input based upon the temperature or gas/particulate sensor(s), and to control air to the secondary air input based upon the gas/particulate sensor(s). A remote control device may be used to communicate with the controller for ease of operation and may contain a temperature sensor that may act as a thermostat. The invention is particularly suited to use with wood fuelled heaters, where it may be used to reduce undesirable emissions.
Abstract:
A method of optimizing operation of a furnace to control emission within a system. Each furnace zone inside of the furnace is associated with at least one exhaust zone. A signal indicative of an amount of byproduct exiting the furnace through at least one of the exhaust zones is received from one or more of the sensors. Based on this signal, an offending furnace zone is identified from among the plurality of furnace zones, the offending furnace zone including an oxygen level contributing to the amount of the byproduct. A relative adjustment of at least one of an amount of oxygen being introduced into the offending furnace zone, and an angular orientation of an oxygen injector introducing oxygen into the offending furnace zone relative to a focal region within the furnace can be initiated. The furnace may have structure to perform the method and may be part of a system.
Abstract:
A combustion system is operated with reference to compliant values of a governmentally regulated exhaust emission parameter. If an alarm condition is detected during an ordinary mode of operation, the combustion system is shifted into an assured compliance mode of operation. The shift to the assured compliance mode is made while continuing to operate the combustion system without a shut-down interruption.
Abstract:
A combustion system is operated with reference to compliant values of a governmentally regulated exhaust emission parameter. If an alarm condition is detected during an ordinary mode of operation, the combustion system is shifted into an assured compliance mode of operation. The shift to the assured compliance mode is made while continuing to operate the combustion system without a shut-down interruption.
Abstract:
A gas outlet monitoring system for a boiler system includes a gas probe(s) with a plurality of gas sensing locations wherein each location measures a plurality of parameters of the gas flow, such a oxygen concentration and temperature. The multi-sensor probe (10) includes a tubular lance (14) and a plurality of sensor pods (14) spaced along the lance. Each sensor pod has an oxygen sensor disposed in a first port, and a first temperature sensor disposed in a second port. An enclosure (20) is disposed at one end of the tubular lance. The enclosure (20) has a respective pressure sensor for each oxygen sensor port. A plurality of first tubes passes through the lance between the enclosure and the first port of a respective sensor pod to provide a gas to the respective first port for the purpose of providing cleaning air. A plurality of second tubes passes through the lance between the enclosure and the first port of a respective sensor pod to provide fluid communication between gas in the respective first port and the respective pressure sensor. One pressure sensor is provided for each oxygen sensor.
Abstract:
Die Erfindung betrifft eine Turbinenanordnung (1; 30; 45; 47) mit einem Verdichter, zumindest einer Brenneranordnung (2; 31; 48), die mehrere Brenner (4) und eine Brennkammer (5; 34; 51) umfasst, und einer Turbine (49), wobei der Verdichter, die zumindest eine Brenneranordnung (2; 31; 48) und die Turbine (49) derart strömungstechnisch miteinander verbunden sind, dass während des bestimmungsgemäßen Betriebs von dem Verdichter verdichtete Luft durch die Brenner (4) geleitet und mit Brennstoff gemischt wird, woraufhin das erzeugte Brennstoff-Luft-Gemisch in der Brennkammer (5; 34; 51) verbrannt wird und die Verbrennungsgase der Turbine (49) zugeführt werden, dadurch gekennzeichnet, dass eine Bypasseinrichtung vorgesehen ist, die derart ausgebildet ist, dass ein Teil der von dem Verdichter verdichteten Luft als Bypassstrom an den Brennern (4) vorbei in den Bereich des Auslassendes der Brennkammer (5; 34; 51) geleitet werden kann.
Abstract:
A method of controlling emissions of a gas turbine plant (1), including a compressor (7), a combustion chamber (9) and a gas turbine (10), includes detecting the oxygen concentration (S 02 ) in the exhaust gases (Q E ) of the gas turbine (10) and heating a fuel gas flow (Q F ) supplied to the combustion chamber (9) as a function of the detected oxygen concentration (S 02 ) and of a reference concentration value (S 02R ; S 02R ' ).