A vacuum cooling device for the cooling of foodstuff, in particular hot bakery products comprises a vacuum chamber (2) containing a product chamber (7) for receiving the foodstuff for its cooling and a separation chamber (28), a vacuum source (3), such as a vacuum pump which is connected to the separation chamber (28) and a vapor condenser (4) for condensation of vapor generated during the cooling process in the product chamber. The vapor condenser comprises a cooling medium in a sump (11) and comprises a vapor introduction element (8, 9, 10) for introducing the vapor into the cooling medium.

A vacuum cooling device for the cooling of foodstuff, in particular hot bakery products comprises a vacuum chamber (2) containing a product chamber (7) for receiving the foodstuff for its cooling and a separation chamber (28), a vacuum source (3), such as a vacuum pump which is connected to the separation chamber (28) and a vapor condenser (4) for condensation of vapor generated during the cooling process in the product chamber. The vapor condenser comprises a cooling medium in a sump (11) and comprises a vapor introduction element (8, 9, 10) for introducing the vapor into the cooling medium.

The disclosed technology includes techniques for improving efficiency of heat transfer devices, specifically condensers. An exemplary embodiment provides a device for condensing vapor bubbles comprising a quantity of liquid, a vapor source, and an acoustic transducer. The vapor source can be configured to introduce a plurality of vapor bubbles in the quantity of liquid. The acoustic transducer can be configured to provide acoustic energy to the quantity of liquid such that at least a portion of the acoustic energy is transferred to the plurality of vapor bubbles causing at least a portion of the plurality of vapor bubbles to condense in the quantity of liquid.

The disclosed technology includes techniques for improving efficiency of heat transfer devices, specifically condensers. An exemplary embodiment provides a device for condensing vapor bubbles comprising a quantity of liquid, a vapor source, and an acoustic transducer. The vapor source can be configured to introduce a plurality of vapor bubbles in the quantity of liquid. The acoustic transducer can be configured to provide acoustic energy to the quantity of liquid such that at least a portion of the acoustic energy is transferred to the plurality of vapor bubbles causing at least a portion of the plurality of vapor bubbles to condense in the quantity of liquid.

A method and system of depressurizing a molecular sieve used in ethanol production is shown and described. The method and system utilizes a vapor mixing condenser that receives a vapor sieve feed from the molecular sieve during the depressurization cycle. The vapor from the molecular sieve during the pressurization cycle is used to heat the 190-proof product flow. The heated product flow is diverted directly to the 190-proof product vaporizer, which increases the input product flow temperature to the vaporizer, thereby reducing the amount of heat needed to vaporize the 190-proof product flow. The reduction in heat needed reduces energy costs and increases equipment life.

A steam press system and methods of controlling steam generation and recycling steam therein are provided. The steam press system includes a first steam plate and a second steam plate configured to receive and evacuate steam. The steam press system further includes a first pump configured to draw steam from the first steam plate and the second steam plate, a heat exchanger configured to condense the steam into fresh water and heat the fresh water. The steam press system further includes a third pump to pump the heated water into a storage tank. The steam press system further includes a fourth pump configured to pump the heated water from the storage tank to a steam generator. The steam generator is configured to receive the heated water, boil the heated water to generate steam and to deliver the steam to the first steam plate and the second steam plate.

A steam press system and methods of controlling steam generation and recycling steam therein are provided. The steam press system includes a first steam plate and a second steam plate configured to receive and evacuate steam. The steam press system further includes a first pump configured to draw steam from the first steam plate and the second steam plate, a heat exchanger configured to condense the steam into fresh water and heat the fresh water. The steam press system further includes a third pump to pump the heated water into a storage tank. The steam press system further includes a fourth pump configured to pump the heated water from the storage tank to a steam generator. The steam generator is configured to receive the heated water, boil the heated water to generate steam and to deliver the steam to the first steam plate and the second steam plate.

A tunnel type hybrid cooling steam recycling apparatus includes: a housing; air-cooling heat exchanging plates disposed on an outer surface of the housing; a chamber, formed in the housing; a mesh steam tunnel disposed in the chamber; a steam inlet penetrating through the housing; spraying heads disposed in the chamber; and a water outlet penetrating through the housing. Steam supplied into the mesh steam tunnel through the steam inlet is condensed into condensed water. In a hybrid mode, the spraying heads provide cooling spray into the chamber to dissipate heat in a hybrid manner in conjunction with the housing and the air-cooling heat exchanging plates.