F23N2225/08

Device for controlling the combustion of a burner
10782022 · 2020-09-22 · ·

Described is a device (11) for controlling the combustion of a burner (1), comprising: first means (12) for measuring the fuel flow rate (Vg); second means 13 for measuring the flow rate of the comburent (Va) first operator means (14) for controlling the opening of an inlet valve (5) as a function of the quantity of fuel to be supplied to the burner (1); second operator means (15) for controlling the comburent flow regulator means (8) as a function of the quantity of comburent to be supplied to the burner (1); According to this invention, the device (11) comprises a unit (16) for controlling the first operator means (14) and the second operator means (15) as a function of the values measured by the first measuring means (12) and by the second measuring means (13).

Apparatus and method for using model training and adaptation to detect furnace flooding or other conditions

A method includes obtaining data associated with operation of equipment in an industrial process and identifying training data and evaluation data in the obtained data. The method also includes, during each of multiple training periods, identifying one or more models and one or more first statistical values using at least some of the training data and determining a threshold value using the one or more first statistical values. The one or more models represent the operation of the equipment. The method further includes, during each of multiple evaluation periods, determining one or more second statistical values using at least some of the evaluation data and the one or more models, comparing the one or more second statistical values to the threshold value determined in a preceding one of the training periods, and determining whether the equipment is suffering from at least one specified condition based on the comparison. In addition, the method includes, in response to determining that the equipment is suffering from the at least one specified condition, generating an alert identifying the at least one specified condition.

METHOD OF OPERATING AN AIR PUMP FOR A BOOSTED GAS BURNER ASSEMBLY
20200256558 · 2020-08-13 ·

A gas burner assembly and a method of operating the same are provided. The gas burner assembly includes fuel regulating device for providing a flow of fuel and an air pump for providing a flow of air to a boost burner for combustion. The method includes stopping the flow of fuel using the fuel regulating device and ramping down the operation of the air pump to slowly stop the flow of air. For example, the flow rate of the flow of air may decrease linearly over a predetermined time period to ensure a lean fuel/air mixture is not provided to the boost burner which may result in undesirable flame characteristics.

POWER LIMITED CLOSED LOOP COOKING WITH A GAS BURNER
20200256563 · 2020-08-13 ·

A gas burner assembly and a method of operating the same are provided. The gas burner assembly includes a gas burner and a fuel regulating device for providing a flow of fuel to the gas burner to heat a cooking utensil. The method is a closed loop cooking method that includes monitoring the temperature of the cooking utensil and adjusting the power output of the burner accordingly to drive the utensil temperature to a target cooking temperature or profile. However, the burner power is limited to a maximum fuel flow rate, e.g., to ensure safe operation and to prevent the flames from the gas burner from engulfing the sides of the cooking utensil.

SYSTEMS AND METHODS FOR FIRING AN INSULATOR

Systems and methods for firing an insulator is described. A kiln includes at least three zones on a wall of the kiln, a processing unit, and at least three PID controllers. The at least three zones have at least three burners arranged vertically. The processing unit determines firing ratio information for the at least three zones. Each of the PID controllers corresponds to a zone of the at least three zones. The at least three PID controllers control supply of gas and air to the at least three burners of the at least three zones based on the firing ratio information.

System and methods for mitigating condensation in a sensor module

Methods and systems for mitigating condensation in a sensor module of a combustion appliance are disclosed. In one example, a fluid flow from a main conduit is cooled with a passive heat exchanger. A sensor of a sensor module may be heated to a temperature above the cooled fluid flow. Cooling the incoming fluid flow with a passive heat exchanger and/or heating the downstream flow sensor may help mitigate condensation in the sensor module, and in particular, on the sensor device. This may help increase the reliability of the system.

METHOD FOR CONTROLLING A COMBUSTION APPARATUS AND CONTROL DEVICE

A method for controlling a combustion apparatus having a combustion state in which a parameter related to the combustion state reflects a chaotic behavior is provided. The method includes the steps of measuring the parameter and determining a time series of the parameter, shifting the time series by a variable time delay for determining a time-shifted signal, and forming a difference between the time-shifted signal and the time series for determining a time dependent first signal, so that a norm of the difference is lowest. A time dependent second signal is determined, wherein determining the time dependent second signal includes at least one of using a frequency of a desired oscillating combustion state, and shifting the time series by a set time delay. The first signal and the second signal are combined to determine a control signal. The control signal is used to influence the combustion apparatus.

SYSTEM AND METHOD FOR OPTIMIZING COMBUSTION OF BOILER
20200173649 · 2020-06-04 ·

A system for controlling a boiler apparatus in a power plant to combust under optimized conditions, and a method for optimizing combustion of the boiler apparatus using the same are provided. The boiler control system may include a modeler configured to create a boiler combustion model, an optimizer configured to receive the boiler combustion model from the modeler and perform the combustion optimization operation for the boiler using the boiler combustion model to calculate an optimum control value, and an output controller configured to receive the optimum control value from the optimizer, and control an operation of the boiler by reflecting the optimum control value to a boiler control logic.

Controller with clinker agitator control for biofuel-fired furnace

A microprocessor-based controller manages combustion within a biofuel furnace. A clinker agitator controller generates signals for controlling operation of a motorized clinker agitator of the biofuel furnace. The microprocessor-based controller may additionally control any of fuel feed rate, air supply rate and ash removal rate.

High-temperature pyrolysis incineration apparatus
10634343 · 2020-04-28 · ·

A high-temperature pyrolysis incineration apparatus that forces external air to a combustion chamber while burning an incineration processing material injected therein at a high temperature within a combustion chamber is provided. The apparatus includes an air-supply tube disposed at the center of the combustion chamber, a fuel supply pipe installed at an upper edge of the inside of the combustion chamber, a punching plate disposed at the bottom of the combustion chamber, a stirring rod rotatably installed at an upper surface of the punching plate using the air-supply tube as a fixing shaft, a heat recovery device disposed outside of the combustion chamber, and a circulation pipe extending from a lid of the combustion chamber to the outside that returns to a location corresponding to an upper portion of the stirring rod at a wall of the combustion chamber via the inside of the heat recovery device.