A compact and portable liquid concentrator includes a gas inlet, a gas exit and a flow corridor connecting the gas inlet and the gas exit, wherein the flow corridor includes a narrowed portion that accelerates the gas through the flow corridor. A liquid inlet injects liquid into the gas stream at a
A compact and portable liquid concentrator includes a gas inlet, a gas exit and a flow corridor connecting the gas inlet and the gas exit, wherein the flow corridor includes a narrowed portion that accelerates the gas through the flow corridor. A liquid inlet injects liquid into the gas stream at a point prior to the narrowed portion so that the gas-liquid mixture is thoroughly mixed within the flow corridor, causing a portion of the liquid to be evaporated. A demister or fluid scrubber downstream of the narrowed portion removes entrained liquid droplets from the gas stream and re-circulates the removed liquid to the liquid inlet through a re-circulating circuit. Fresh liquid to be concentrated is also introduced into the re-circulating circuit at a rate sufficient to offset the amount of liquid evaporated in the flow corridor.
대표청구항▼
1. A combustion gas exhaust cap assembly for a combustion gas exhaust stack, the combustion gas exhaust cap assembly comprising: an adapter section for mounting to the combustion gas exhaust stack, the adapter section having a primary combustion gas outlet that allows combustion gases from the combu
1. A combustion gas exhaust cap assembly for a combustion gas exhaust stack, the combustion gas exhaust cap assembly comprising: an adapter section for mounting to the combustion gas exhaust stack, the adapter section having a primary combustion gas outlet that allows combustion gases from the combustion gas exhaust pipe to vent to the atmosphere and a secondary combustion gas outlet, the secondary combustion gas outlet directing combustion gas into a secondary process; anda combustion gas exhaust cap mounted on the adapter section proximate the primary combustion gas outlet, the combustion gas exhaust cap being movable between an open position in which the combustion gas exhaust cap allows combustion gas to vent from the combustion gas exhaust pipe vent through the primary combustion gas outlet and a closed position in which the combustion gas exhaust cap covers the primary combustion gas outlet to seal off the primary combustion gas outlet, which diverts combustion gas from the combustion gas exhaust pipe through the secondary combustion gas outlet. 2. The combustion gas exhaust cap of claim 1, further comprising a transfer pipe connected to the secondary combustion gas outlet, the transfer pipe forming a portion of a fluid passageway between the adapter section and the secondary process. 3. The combustion gas exhaust cap assembly of claim 1, further comprising a cap actuator mounted on the adapter section and operatively connected to the combustion gas exhaust cap, the cap actuator actuating to move the combustion gas exhaust cap between the open position and the closed position. 4. The combustion gas exhaust cap assembly of claim 3, further comprising a controller operatively connected the cap actuator, the controller operable to move the combustion gas exhaust cap between the open position and the closed position. 5. The combustion gas exhaust cap assembly of claim 4, further comprising a temperature sensor, operable to generate a temperature signal, and wherein the controller is communicatively connected to the temperature sensor, the controller operable to actuate the combustion gas exhaust cap actuator based on the temperature signal. 6. The combustion gas exhaust cap assembly of claim 5, further comprising an ambient air valve, the ambient air valve forming a fluid passageway between the transfer pipe and the atmosphere, and wherein the controller is operatively connected to the ambient air valve and positions the ambient air valve based on the temperature signal. 7. The combustion gas exhaust cap assembly of claim 3, wherein the cap actuator is a motor. 8. The combustion gas exhaust cap assembly of claim 7, wherein the motor is one of an electric motor, a pneumatic motor, and a hydraulic motor. 9. The combustion gas exhaust cap assembly of claim 3, wherein the cap actuator comprises a chain drive connected to the combustion gas exhaust cap. 10. The combustion gas exhaust cap assembly of claim 1, further comprising a counter weight mounted on a side of a pivot point that is opposite the combustion gas exhaust cap, the counter weight being sized to offset at least a portion of a weight of the combustion gas exhaust cap about the pivot point. 11. The combustion gas exhaust cap assembly of claim 1, wherein the combustion gas exhaust cap is made of a high temperature resistant material. 12. The combustion gas exhaust cap assembly of claim 11, wherein the high temperature resistant material is one of stainless steel and carbon steel. 13. The combustion gas exhaust cap assembly of claim 11 wherein the combustion gas exhaust cap is refractory lined with one of aluminum oxide and zirconium oxide. 14. The combustion gas exhaust cap assembly of claim 1, further comprising a biasing element mounted to the combustion gas exhaust cap and the adapter section proximate a pivot point of the combustion gas exhaust cap, the biasing element biasing the combustion gas exhaust cap to the open position. 15. The combustion gas exhaust cap assembly of claim 14, wherein the biasing element is a spring. 16. The combustion gas exhaust cap assembly of claim 14, wherein the biasing element is a counterweight. 17. A wastewater concentrating assembly having an exhaust stack cap, the wastewater concentrating assembly comprising: an exhaust stack having an open end forming a primary exhaust gas exit;a wastewater concentrator;a transfer pipe, the transfer pipe fluidly connected between the exhaust stack and the wastewater concentrator, the transfer pipe forming a secondary exhaust gas exit in the exhaust stack; andan exhaust stack cap mounted approximate to the open end of the exhaust stack, the exhaust stack cap movable between an open position in which the exhaust stack cap allows exhaust gas to exit the primary exhaust gas exit and a closed position in which the exhaust stack cap covers the primary exhaust gas exit to seal off the primary exhaust gas exit, which diverts exhaust gas through the secondary exhaust gas exit. 18. A landfill gas flare cap assembly comprising: a landfill gas flare connected to a source of landfill gas, the landfill gas flare having an open top end forming a combustion gas exit; anda flare cap attached to the landfill gas flare proximate the open top end, the flare cap movable between an open position, which leaves the open top end of the landfill gas flare uncovered, and a closed position, which covers the open top end of the landfill gas flare and seals off the open top end of the landfill gas flare. 19. The landfill gas flare cap assembly of claim 18, further comprising a motor operatively connected to the flare cap, the motor operable to position the flare cap in one of the open position and the closed position. 20. The landfill gas flare cap assembly of claim 19, further comprising a controller, the controller including a processor that executes control logic to position the flare cap in one of the open position and the closed position.
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