A micro-bubble generator is provided between an input end and an output end of a water outlet device. The micro-bubble generator includes a water inlet member and a water outlet member. A gas inlet gap is remained between the water inlet member and the water outlet member, with the gas inlet gap being communicated to external air, such that the external air is allowed to enter the micro-bubble generator for gas-liquid mixing and generate minute and dense bubbles.

The disclosure provides two integrated methods for the production of potable water from seawater or other brackish waters using chemical forced precipitation. The process is closed loop. It recycles process reactants and produces commercially valuable potable water and salts. The technology uses a computer software method of process variable control that maintains the chemical forced precipitation process salt, solvent, and water concentrations as required to optimize water production. The process fortuitously requires less energy than other water production processes and can utilize solar hot water heating or waste heat from other combustion and seawater for heating and cooling energy sources.

The disclosure provides two integrated methods for the production of potable water from seawater or other brackish waters using chemical forced precipitation. The process is closed loop. It recycles process reactants and produces commercially valuable potable water and salts. The technology uses a computer software method of process variable control that maintains the chemical forced precipitation process salt, solvent, and water concentrations as required to optimize water production. The process fortuitously requires less energy than other water production processes and can utilize solar hot water heating or waste heat from other combustion and seawater for heating and cooling energy sources.

A mixing apparatus is described. The mixing apparatus has a first port for receiving milk, a second port for receiving steam, and a mixing chamber for mixing the milk, the steam, and air. A channel arrangement connects the first port and the second port, and defines an air intake channel which leads to a frothing section. The mixing apparatus is designed such that, in use, the frothing section fills sufficiently with steamed milk that has a direct path from the second port to the mixing chamber is interrupted by the steamed milk. This provides a noise reduction during use of the mixing apparatus. A flow reducing means, such as a barrier, may be used for this purpose.

A mixing apparatus is described. The mixing apparatus has a first port for receiving milk, a second port for receiving steam, and a mixing chamber for mixing the milk, the steam, and air. A channel arrangement connects the first port and the second port, and defines an air intake channel which leads to a frothing section. The mixing apparatus is designed such that, in use, the frothing section fills sufficiently with steamed milk that has a direct path from the second port to the mixing chamber is interrupted by the steamed milk. This provides a noise reduction during use of the mixing apparatus. A flow reducing means, such as a barrier, may be used for this purpose.

A micro-bubble spray head and a washing apparatus. The micro-bubble spray head includes an integrated spray tube and a micro-bubble bubbler fixed on the outlet end of the integrated spray tube; a throttling passage portion is formed in the integrated spray tube; a plurality of throttling passages parallel to each other and having a uniform cross section are formed in the throttling passage portion along a water stream direction, so that a plurality of water streams can be formed in the plurality of throttling passages parallel to each other and having the uniform cross section and are sprayed out from the outlets of the plurality of throttling passages parallel to each other and having the uniform cross section in an expansion manner, so as to form negative pressure near the outlets; a plurality of air inlets serving as air inlet passages are further provided on the integrated spray tube.

Disclosed is a hydrogen recirculation ejector for fuel cells including a recirculation line configured to recirculate residual hydrogen gas discharged from a fuel cell stack configured to generate electricity using air and hydrogen gas supplied thereto to an inlet of the fuel cell stack and an ejector including a nozzle installed on the recirculation line, the nozzle being configured to supply new hydrogen gas, a venturi tube configured to mix the hydrogen supplied from the nozzle and the recirculated hydrogen with each other, and a diffuser configured to supply the mixed hydrogen gas to the fuel cell stack, wherein the nozzle includes a hydrogen introduction portion, a ring-shaped inner wall, a ring-shaped outer wall, a ring-shaped front end wall, and a ring-shaped rear end wall, and wherein the thickness of the inner wall and/or the outer wall is gradually increased with increasing distance from the hydrogen introduction portion.

A turbine system includes a foam generating assembly having an in situ foam generating device at least partially positioned within the fluid passageway of the turbine engine, such that the in situ foam generating device is configured to generate foam within the fluid passageway of the turbine engine.

A mixing unit (1) for mixing a liquid product (2) includes a tank (3) and a fluid nozzle (4) configured to inject a fluid flow (6, 7) of the liquid product (2) into the tank (3). The fluid nozzle (4) has a first outlet (20) that opens in a sideways direction (S), a second outlet (21) that opens in an upward direction (U), and a valve plug (14) configured to selectively open and close the outlets (20, 21). The mixing unit (1) is operable in a low stage operational mode (9) during which the first outlet (20) is open, the second outlet (21) is closed, and mixing occurs in a lower region (10) of the tank (3), and a high stage operational mode (11) during which the first outlet (20) is closed, the second outlet (21) is open, and mixing occurs in an upper region (12) of the tank (3).

A mixing unit (1) for mixing a liquid product (2) includes a tank (3) and a fluid nozzle (4) configured to inject a fluid flow (6, 7) of the liquid product (2) into the tank (3). The fluid nozzle (4) has a first outlet (20) that opens in a sideways direction (S), a second outlet (21) that opens in an upward direction (U), and a valve plug (14) configured to selectively open and close the outlets (20, 21). The mixing unit (1) is operable in a low stage operational mode (9) during which the first outlet (20) is open, the second outlet (21) is closed, and mixing occurs in a lower region (10) of the tank (3), and a high stage operational mode (11) during which the first outlet (20) is closed, the second outlet (21) is open, and mixing occurs in an upper region (12) of the tank (3).