A blower systems includes a blower housing, a gasket, and a clamp. The blower housing includes a dilution air inlet port having a tubular portion with an end margin having a plurality of flanges separated by slits enabling flexing of the plurality of flanges to resiliently move radially inwardly from an unflexed position. The gasket extends within the end margin of the dilution air inlet port. The air supply system includes an inlet portion, a combustion air portion, and a one-piece fitting having an inlet, dilution air outlet, and a combustion air outlet. The clamp is positioned radially about the plurality of flanges such that it can secure a source of dilution air within the dilution air inlet port.

A blower systems includes a blower housing, a gasket, and a clamp. The blower housing includes a dilution air inlet port having a tubular portion with an end margin having a plurality of flanges separated by slits enabling flexing of the plurality of flanges to resiliently move radially inwardly from an unflexed position. The gasket extends within the end margin of the dilution air inlet port. The air supply system includes an inlet portion, a combustion air portion, and a one-piece fitting having an inlet, dilution air outlet, and a combustion air outlet. The clamp is positioned radially about the plurality of flanges such that it can secure a source of dilution air within the dilution air inlet port.

A smokeless incinerator burns unburned gas to inhibit generation of black smoke. The incinerator contains a first combustion chamber with a main combustor having firebrick walls into which waste is thrown and an auxiliary burner for burning the waste. A water cooling jacket is located above the main combustor. A second combustion chamber is located on top of the first combustion chamber and has a re-burning burner for unburned gas. A filter-equipped combustion chamber is aligned with and adjacent the second combustion chamber and has a ceramic filter. A third combustion chamber is aligned with and adjacent to the filter-equipped combustion chamber and has a dust collection cyclone. A fourth combustion chamber is located on top of the third combustion chamber and has a re-burning burner for unburned gas. An exhaust stack is located on top of the fourth combustion chamber and has a forced exhaust.

A smokeless incinerator burns unburned gas to inhibit generation of black smoke. The incinerator contains a first combustion chamber with a main combustor having firebrick walls into which waste is thrown and an auxiliary burner for burning the waste. A water cooling jacket is located above the main combustor. A second combustion chamber is located on top of the first combustion chamber and has a re-burning burner for unburned gas. A filter-equipped combustion chamber is aligned with and adjacent the second combustion chamber and has a ceramic filter. A third combustion chamber is aligned with and adjacent to the filter-equipped combustion chamber and has a dust collection cyclone. A fourth combustion chamber is located on top of the third combustion chamber and has a re-burning burner for unburned gas. An exhaust stack is located on top of the fourth combustion chamber and has a forced exhaust.

A staged steam injection system for a flare tip that can discharge waste gas into a combustion zone is provided. The staged steam injection system includes, for example, a first gas injection assembly and a second stage gas injection assembly. The first gas injection assembly is configured to inject steam at a high flow rate and a high pressure into the flare tip or the combustion zone. The second gas injection assembly is configured to inject a gas (for example, steam and/or a gas other than steam) at a low flow rate and a high pressure into the flare tip or the combustion zone. A flare tip including the staged steam injection system is also provided.

A staged steam injection system for a flare tip that can discharge waste gas into a combustion zone is provided. The staged steam injection system includes, for example, a first gas injection assembly and a second stage gas injection assembly. The first gas injection assembly is configured to inject steam at a high flow rate and a high pressure into the flare tip or the combustion zone. The second gas injection assembly is configured to inject a gas (for example, steam and/or a gas other than steam) at a low flow rate and a high pressure into the flare tip or the combustion zone. A flare tip including the staged steam injection system is also provided.

A fuel-fired heating appliance comprises a fuel source, an air source, a chamber in which fuel and air mix, a burner downstream from the mixing chamber, an igniter proximate the burner, a heat exchanger, a blower and a flue pipe. An ambient air inlet may be defined by at least one of the outlet end of the blower and the flue pipe extending between the interior of the flue pipe and an area ambient to the flue pipe. A flow rate of combustion gas may be controlled to a level below a steady-state flow rate during appliance warm-up.

A fuel-fired heating appliance comprises a fuel source, an air source, a chamber in which fuel and air mix, a burner downstream from the mixing chamber, an igniter proximate the burner, a heat exchanger, a blower and a flue pipe. An ambient air inlet may be defined by at least one of the outlet end of the blower and the flue pipe extending between the interior of the flue pipe and an area ambient to the flue pipe. A flow rate of combustion gas may be controlled to a level below a steady-state flow rate during appliance warm-up.

A device for dispersing foul gaseous effluent emissions released diffusely by sources located close to the ground, in particular by wastewater treatment ponds (10, 11, 12), includes: at least two auxiliary air or gas injectors (5a1, 5b1; 5a2, 5b2; 5a3, 5b3) oriented upwards and installed in opposing zones on the periphery of each foul gaseous effluent source, such as to disperse the gaseous effluents; separate supply elements (8.1, 13a1, 13b1; 8.2, 13a2, 13b2; 8.3, 13a3, 13b3) for the injectors; and wind-direction-sensitive control elements for ensuring that at least the injector(s) best located to disperse and/or lift the gaseous effluent plume are supplied.

A device for dispersing foul gaseous effluent emissions released diffusely by sources located close to the ground, in particular by wastewater treatment ponds (10, 11, 12), includes: at least two auxiliary air or gas injectors (5a1, 5b1; 5a2, 5b2; 5a3, 5b3) oriented upwards and installed in opposing zones on the periphery of each foul gaseous effluent source, such as to disperse the gaseous effluents; separate supply elements (8.1, 13a1, 13b1; 8.2, 13a2, 13b2; 8.3, 13a3, 13b3) for the injectors; and wind-direction-sensitive control elements for ensuring that at least the injector(s) best located to disperse and/or lift the gaseous effluent plume are supplied.