Abstract: The present invention discloses intelligent temperature control equipment for the preparation of liquid sodium methoxide, and belongs to the technical field of temperature control equipment. The intelligent temperature control equipment sequentially includes a feeding hopper, a throat pipe, a shunting hood, a second shell and a third shell which are sequentially connected from top to bottom, wherein a first coil pipe, a second coil pipe and a third coil pipe are mounted on the outer sides of the feeding hopper, the second shell and the third shell, respectively; a discharging pipe is connected to the bottom of the third shell, and a plurality of air inlet pipes is mounted on one side of the discharging pipe; corrugated packing is disposed on the inner side of the second shell.

Abstract: The invention relates to a method for processing a liquid sample situated in a receptacle, wherein an attachment device is attached to the receptacle such that at least one fluid line protrudes into the liquid sample and a fluid is directly dispensed into the liquid sample through the fluid line and/or a portion of the liquid sample is aspirated into the fluid line.

Abstract: An evaporative cooling module may include a cooling media formed from a vapor permeable membrane in which is formed a plurality of pores at a first side and a second side of the vapor permeable membrane. Individual pores of the plurality of pores may be sized to prevent liquid water from passing there through, and enable water vapor to pass there through. The cooling media may be configured to hold liquid water while an air stream is passed through the cooling media. The evaporative cooling module may also include a module inlet to direct liquid water into the cooling media, a module outlet to direct liquid water out of the cooling media, and a frame configured to support the evaporative cooling module.

Abstract: A mixer configured for releasing large bubbles into wastewater is provided. The mixer can include a central draft tube, an upwardly-extending member surrounding the draft tube, and an accumulator surrounding both the upwardly-extending member and the draft tube. A lower end of the draft tube sidewall may be sealed and not include any openings beneath the lower end of the upwardly-extending member, so as to prevent liquid pumpage through the draft tube. A method for treating wastewater in a system that includes at least one large bubble mixer and at least one fine bubble diffuser is also provided. The large bubble mixer and fine bubble diffuser may be supplied gas independently from one another. The method can include multiple modes of operation wherein gas is either supplied to the mixer, to the diffuser, to neither the mixer or the diffuser, or to both the mixer or the diffuser.

Abstract: A dripping humidifier is disclosed, including a base. The base inside is configured with a miniature water pump and a storage water tank, a top of the base on opposing sides are configured with columns. A cloud sink is configured to mount on connections of the columns on the opposing sides, the columns are configured with internal pipes that connect to the miniature water pump and the cloud sink respectively, the cloud sink is uniformly configured with drip outlets at bottom. The base is configured with an opening on a top wall, and the opening in the base is fitted with a splash guard and a ring. The splash guard is configured with a water intake, the ring is distributed around the opening in the base and protrudes from the base. The dripping humidifier of the present disclosure through multiple drip outlets to increase water droplets and humidification effect, and the water droplets are not easy to splash and not wet the desktop.

Abstract: A device for generating gas bubbles in a liquid in a container includes a rotatable gas-permeable hollow shaft arranged in a container, gassing discs arranged on the hollow shaft and spacers arranged between the gassing discs, gassing discs and spacers being arranged alternately on the hollow shaft in gas-tight contact with one another, a feed line for a compressed gas into the interior of the shaft, spacer having a centered opening (O) for receiving the shaft and at least two chambers, the chambers being equally spaced around the centered opening, where the centered opening and the chambers at least partially overlap, where the centered opening and the chambers are in communication with one another at least in the overlap region, so that the compressed gas can flow from the shaft into in each case a chamber of the spacer and enter the gassing discs from the chamber of the spacer.

Abstract: A fine bubble generator may include an inlet, an outlet, a first fine bubble generation portion including a first flow path, and a second fine bubble generation portion including a second flow path. The first flow path may include a diameter-reducing flow path and a diameter-increasing flow path. The second flow path may include a guide flow path and a collision flow path disposed downstream of the guide flow path. A first bearing and a first impeller rotatably attached to the first bearing may be disposed on the collision flow path. The first impeller may include a disc disposed at a position at which the gas-dissolved water collides with the disc; a first rotation shaft disposed on a downstream surface of the disc and rotatably attached to the first bearing; and one or more first vanes disposed on an upstream surface of the disc.

Abstract: Systems and methods are described for dissolving ammonia gas in deionized water. The system includes a deionized water source and a gas mixing device including a first inlet for receiving ammonia gas, a second inlet for receiving a transfer gas, and a mixed gas outlet for outputting a gas mixture including the ammonia gas and the transfer gas. The system includes a contactor that receives the deionized water and the gas mixture and generates deionized water having ammonia gas dissolved therein. The system includes a sensor in fluid communication with at least one inlet of the contactor for measuring a flow rate of the deionized water, and a controller in communication with the sensor. The controller sets a flow rate of the ammonia gas based on the flow rate of the deionized water measured by the sensor, and a predetermined conductivity set point.

Abstract: A fill sheet and a fill pack manufactured from a plurality of fill sheets for cooling a cooling medium in a cooling tower, each fill sheet having a plurality of flutes extending diagonally from top to bottom of the fill sheet, the diagonal orientation of the flutes resulting from a plurality of alternating longer diagonal flute segments and shorter vertical flute segments, each of the plurality of flutes having the microstructure including a plurality of alternating rounded mounds and rounded depressions extending between flat ridge edges and flat valley edges of the flutes.

Abstract: The present disclosure provides systems and methods for producing saturated oxygen water. The present disclosure also provides methods of increasing a concentration of dissolved oxygen in blood of a human subject.

Abstract: A device is provided having a structure for conducting a first fluid, the structure having in addition an interface for conducting a second fluid. The first fluid can be brought into contact with the second fluid at the interface of the structure. A flow interrupter (120.0) for interrupting a flow of the second fluid is situated at the interface of the structure.

Abstract: Cooling arrangement and method for cooling of a heat source. The cooling arrangement includes a closed loop, a semi-open loop and at least one fan. The closed loop includes a primary side of a liquid-to-liquid heat exchanger receiving a first cooling fluid heated by the heat source, a first air-to-liquid heat exchanger downstream the primary side, and a first pump returning the first cooling fluid to the heat source. The semi-open loop includes a tank storing a second cooling fluid, a second pump drawing the second cooling fluid from the tank, a secondary side of the liquid-to-liquid heat exchanger receiving the second cooling fluid from the second pump, an evaporating pad downstream said secondary side, and an inlet fluidly connected to a source of the second cooling fluid. The at least one fan causes an air flow through the evaporating pad and through the first air-to-liquid heat exchanger.

Abstract: A fine bubble generator which is an ultrafine bubble generator includes a side wall whose inner face is cylindrical, and closing walls closing both ends of the side wall, respectively, with a gas-liquid discharge port in one of the closing walls, wherein a fluid inlet port is provided closer to the gas-liquid discharge port than is a midpoint between both closing walls, and the fluid inlet port penetrates the side wall in a tangential direction of the inner face of the side wall, wherein a spiral groove is formed in the inner face of side wall, and wherein the spiral groove has an angle of inclination of 1° to 10°.

Abstract: A wet surface air cooler (WSAC), including an evaporative spiral heat exchanger for flowing a process medium therethrough, a spray system for spraying a cooling medium directly onto the spiral heat exchanger and a fan for causing air to flow through the evaporative spiral heat exchanger, the combination of the sprayed cooling medium onto the evaporative spiral heat exchanger and the air flowing therethrough causes the cooling medium to at least partially evaporate to lower the temperature of the process medium.

Abstract: Distillation trays having improved efficiency and capacity are described. The improvement is accomplished with unique downcomer spout arrangements and bubble promoters which provide equal liquid distribution to all areas of the tray. The ratio of the open area of a contacting zone including part of a bubble promoter and associated deck zone over the open area of the downcomer spout zone on the adjacent tray for distributing liquid to the zone is essentially the same across the tray.

Abstract: A hyperboloid agitator for circulating liquids, in particular water, wastewater or the like, in the centre of which a connection portion (2) for connection to a hollow agitator shaft (1) is provided, characterised in that the hyperboloid agitator is formed as a hollow body, with a central aperture (3) for supplying air being provided in the connection portion (2), and in that an air distribution device (9, 10, 11) for distributing air supplied through the aperture (3) to a plurality of air outlet openings (14) provided in the hollow body is provided downstream of the aperture (3).

Abstract: An air transfer apparatus or enclosure having a heat exchanger attached to at least one side of the air transfer apparatus. The air transfer apparatus is an integral or a monolithic structure or enclosure where all internal cavities of the air transfer apparatus are formed from a single piece of material. The air transfer apparatus or enclosure includes a drain apparatus and a drain device. The drain apparatus includes a plurality of plates and the plurality of plates are positioned to make any collected fluid thereon collect in a sump of the air transfer apparatus.

Abstract: A system for producing a liquid with gas bubbles. The system has an eductor to mix a liquid stream and a gas stream to a form of a liquid-gas mixture and a mixing column with a stack of filling layers to reduce a size of gas bubbles within the liquid-gas mixture. The stack of filling layers has a plurality of porous layers separated alternately by plate layers and ring layers.

Abstract: The electrical connections of a chamber or enclosure for a water tub can be protected through the use of spill element sensors. The spill element sensors can help to disable the delivery of power to the heater of a water tub in the event that the electrical connections become wet.

Abstract: A mixing apparatus for generating and mixing gas bubbles into an aqueous solution includes a structure defining an interior fluid-flow chamber that extends along a longitudinal axis between an input port at a liquid input end and an output port at a liquid output end. The structure includes a gas injection portion located upstream from the liquid output end and a mixing vane portion extending in the downstream direction from the gas injection portion. The gas injection portion defines a gas injection lumen and a first region of the interior fluid-flow chamber, while the mixing vane portion defines a second region of the interior fluid-flow chamber. The first region of the interior fluid-flow chamber includes a plurality of side fluid-path lumens that extend alongside a first part of the gas injection lumen. This first part of the gas injection lumen and the side fluid-path lumens merge with a downstream fluid-path lumen of the first region.