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Class 159/22 - CLOSED EVAPORATING CHAMBERS


Subclass of Class 159 - Concentrating evaporators
Definition: Vessels provided with covers adapted to close the surface
No. of patents: 25
Last issue date: 02/19/2008


NumberTitleIssue Date
7332057Method of vaporizing liquids by microwave heating
This invention is directed to a method for vaporizing a liquid by slowly evaporating the liquid from a liquid phase to a vapor phase below the boiling point of the liquid; and applying an effective amount of microwave power to maintain the slow evaporation of the li...
02/19/2008
7043147Superheated vapor generator system and method
A superheated vapor generation system includes at least one vapor generator with a vapor generation space in its interior for generation of superheated vapor upon entry thereinto of liquid. At least one thermal element is disposed within the interior vapor generatio...
05/09/2006
6955342Fluidized spray tower
A fluidized spray vessel. A vessel design is provided for recovering heat from gaseous heat streams. The vessel utilizes a semi-fluidized bed for obtaining desirable liquid/vapor contact times. A spray section is provided in which liquid is sprayed through nozzles d...
10/18/2005
6506284Reduced-pressure distillation system
There is provided a reduced-pressure distillation system, which is relatively simple in construction, easy in operation without depending only on driving of a vacuum pump, and therefore can be manufactured and operated at low costs. The system includes an...
01/14/2003
6423187Heat exchanger mechanism using capillary wipers for a thin film distiller
A thin film distiller is provided which applies distilland to an evaporative side by the use of wicks which work by capillary action. The evaporated vapor is transferred to the condensate side after being compressed to a higher pressure where it is conden...
07/23/2002
5964982Method of removing encrustations in evaporation plants
A solution to be evaporated is passed through one or several evaporation stages. In each evaporation stage, the solution is circulated between a heat exchanger and an evaporating vessel, and steam is withdrawn from the evaporating vessel. For removing cru...
10/12/1999
5874525Devolatilizer tray array
The residual level of monomer in a polymer may be reduced by passing a melt of the polymer through a devolatilizer column which contains an array of two or more trays having voids comprising from 15 to 50% of the surface of the tray which are offset so th...
02/23/1999
5858178Process and device for preparing and/or extracting samples using a vaporizable agent at high temperature
A process for preparing and/or extracting samples by heating them together with a solvent in a container under pressure, using a Soxhlet apparatus. The samples are dried by heating in a container; and the resultant vapors are drawn off to generate a vacuu...
01/12/1999
5711856Asphalt extracting apparatus
There is disclosed an asphalt extracting apparatus of the Soxhlet type in which a solvent evaporated from a flask is condensed by a cooling device and then dropped into the inside of a filter device such that asphalt in an asphalt mixture inside the filte...
01/27/1998
5639427Sulfuric acid preparation assembly
An assembly for prepping sulfuric acid for spectrometric analysis comprised of a vessel member having sleeve members formed with channels disposed about an outer peripheral surface and a cap member including a disc shaped top portion and a lower body port...
06/17/1997
5338409Apparatus for distilling liquids in a vacuum
There is described an apparatus for distilling liquids in a vacuum, having a receptacle for a liquid that can be connected to a vacuum pump, a heating arrangement for heating the receptacle causing the liquid to evaporate, a condenser for condensing the v...
08/16/1994
5282927Concentrating evaporator
The concentrate holding lower portion of a sample and concentrate holding vessel has a jacket for shielding such concentrate holding portion from heat sufficient to volatilize appreciable solvent therefrom when the vessel is subjected to sufficient heat f...
02/01/1994
5273719Urine treating device
A liquid evaporator includes an air-tight outer container containing liquid therein, the liquid container having support legs adjacent the bottom surface thereof; an inner container mounted on the legs for partitioning the interior space of the outer cont...
12/28/1993
5248394Liquid purifying/distillation device
A distillation purifying system including a section which creates a vacuum pressure that is transmitted throughout the system, a distillation/purification zone in which fluids to be distilled/purified are treated, and a collection zone in which the distil...
09/28/1993
5149399Liquid evaporator
A liquid evaporator includes an air-tight outer container containing liquid therein, the liquid container having support legs adjacent the bottom surface thereof; an inner container mounted on the legs for partitioning the interior space of the outer cont...
09/22/1992
5112441Process for the recovery of heat and chemicals from spent liquor
A process for the recovery of heat and chemicals from spent liquor by evaporating water out from it in order to concentrate the liquor and be feeding the concentrated liquor thereby obtained and air into the soda-ash furnace. In order to increase the dry-...
05/12/1992
4940134Waste solution treatment method and apparatus therefor
An apparatus for treating a waste solution generated when a photosensitive material is processed by an automatic developing machine includes a waste solution reservoir which is maintained at a constant level. A drum, partially immersed in the waste soluti...
07/10/1990
4913771Method for dewatering sludge or slurry
Sludge or slurry is dewatered by passing it on a screw conveyor through a sealed vessel at a vacuum more negative than -10 inches of Hg. As a result, moisture is removed from the sludge or slurry as water vapor. The vessel is sealed from air by the presence of...
04/03/1990
4880533Apparatus and system for treating waste water and sludge
The present invention includes an apparatus and system for treating waste water. More specifically, for the removal of a floating component of the waste water from the remaining water relatively free of the floating component. The apparatus includes a sep...
11/14/1989
4584064Device and installations for the distillation by thin layer evaporation particularly of hydrocarbons, and process for operating this device
The present invention concerns a process for the thin layer evaporation of liquid in which the thin layer to be evaporated is formed by centrifugation. It is characterized in that the pointed part of the said cone is immersed in a reserve of liquid to be ...
04/22/1986
4574036Method and an installation for purifying industrial waste water, particularly process water from dyeing works
Polluted industrial waste water having a high chemical demand for oxygen and fine particles in suspension is purified using the following steps: directly heating and evaporating the polluted water without subjecting it to the usual prior steps of mechanic...
03/04/1986
4346057Test tube evaporator
This invention is a device for increasing the rate of evaporation from tubes, usually test tubes, by the introduction of a partial vacuum or by using a stream of gas through needles which extend into the tubes. This invention is an improvement on U.S. Pat...
08/24/1982
4313786Magnetron solvent recovery system
Patent discloses a method and an apparatus for the recovery of organic solvents from mixtures of organic solvents and polymers soluble or dispersible in the organic solvents. The method comprises the heating, by microwave radiation utilizing a magnetron t...
02/02/1982
4246065Radioactive waste concentration
A pump for a radioactive waste concentrator in a shielded enclosure is mounted on a wheeled vehicle that travels on tracks, and a spare pump is mounted on an identical wheeled vehicle outside of the shielded enclosure, adjacent the tracks. If the pump fai...
01/20/1981
4003713Multiple test tube evaporator
An apparatus for effecting evaporation of the contents of a multitude of containers, such as test tubes, including a rack and a manifold having multiple paths of open communication with a plurality of containers positioned within the rack, through which e...
01/18/1977
 
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