Transelektro Magyar Villamossagi Kulkereskedelmi Vallalat

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Energiagazdalkodasi Intezet

Tyeploelektroprojekt

Transelektro Magyar Villamossagi

Laszlo Heller

Laszlo Forgo

Janos Bodas

Istvan Papp

Gyorgy Palfalvi

Gyorgy Bergmann

Zoltan Szabo

Arpad Bakay

Gyula Kovacs

Gyorgy Frank

I A Alekszejev

G Sz Agejev

Ivan A Alekszejev

Georgij S Agejev

Ruben G Minaszjan

Karoly Laszlo

An internal fin tube heat exchanger comprises a cylindrical tube having on its inside a continuous heat exchange member with a plurality of legs branched from a central longitudinal extending member. The heat exchange member can be metal strip cut with a plurality of ribs disposed at an acute angle thereto, so that when the member is pulled into the tube, the ribs do not resist movement in one direction but do resist reverse movement in the opposite direction, which opposite direction is also the direction of flow of the fluid within the tube. Thus the fluid does not dislodge the heat exchange member. The ribs can be cut in various patterns and the strip is rotated when being drawn into the tube so as to impart a twist thereto, thereby to position the ribs all about the periphery of the tube. The ribs can have feet thereon that extend either peripherally of the tube or longitudinally of the tube.

Internal fin tube heat exchanger

The heating means of a greenhouse is combined with a source of waste heat. Preferably, the heating means is a surface heat exchanger placed in the flow path of air which is circulated in the greenhouse while the waste heat source is a mixing condenser of a steam turbine power plant. The condensate from the mixing condenser is cooled down in the surface heat exchanger which warms up the air in the greenhouse. If it has water spray means associated with it which is operated dependent on the moisture content of circulating air, cooling of the condensate and warming up as well as moistening of circulated air is effected by the same system at the expense of waste heat.

Greenhouse with heating and ventilating means

A heat exchanger in a close cycle gas turbine power plant has, on its heat abduction side, a system of cooling units connected to it by means of which the efficiency of the plant is considerably increased. Such units consist of evaporators and vapor turbines with condensers and air coolers, the vapor turbines being driven by vapors generated in the evaporators. The latter, in turn, are heated by the heat abduction side of the heat exchanger in the main cycle. The exhaust vapors are precipitated in condensers and cooled down by air coolers and recoolers and partly circulated back to the heat abduction side of the heat exchanger in the main cycle.

Power plant with a closed cycle comprising a gas turbine and a work gas

A heat engine producing a hot gas is cooled by a fluid which in turn is cooled by the convective updraft of air in a cooling tower. The convective updraft is increased by adding a portion of the hot gas to the air in the cooling tower downstream of the heat exchange between the air and the cooling fluid. The heat engine may be an internal combustion engine of the gas turbine or piston type or a compressor or the like, and the hot gas may be product or exhaust.

Method and apparatus for cooling heat engines

The difference in density between heated and unheated air is used to provide flow of air across a heat transfer means located underground. An underground passageway connects an inlet orifice with an outlet orifice for flow of ambient air therethrough. The passageway comprises at least one essentially vertical shaft, said vertical shaft terminating at the outlet orifice and containing proximate its lower end said heat transfer means.

Air operated underground cooler means with natural lift

Steam turbine power plants employ condensers for condensing the dead steam of the turbine. The required cooling in the condenser is obtained by cooling water which is, in case of dry cooling towers, injected into a mixing condenser. Recooling of the cooling water is obtained in surface heat exchangers of the dry cooling tower which carry off the heat by means of air. Where the employment of such system is jeopardised by the hazards of climatic conditions, it is suggested to associate water cooled heat exchangers with the surface heat exchangers and the dry cooling tower of the system. Such water cooled heat exchangers serve as auxiliary means where the cooling effect of the surface heat exchangers of the dry cooling tower fails to ensure a desired low condensation temperature in the mixing condenser.

Condensation apparatus for steam turbine power plants

Movable shutting up elements are provided for eliminating the diminishing effect of the wind on cooling equipment erected in open air. The movable openings shutting up elements are adjusted by a control or regulating device according to actual wind conditions, to effect a damming of pressure in the path of the streaming air in front of the heat exchanging surface, enabling the wind energy to be used to aid in increasing the cooling effect. The opening and closing of elements rotatable around a vertical axis may be used to utilize to a greater extent the wind energy in addition to their wind reflecting effects.

Movable openings shutting up elements for the reduction of wind activity

Growing community of inventors

Budapest, Hungary

Laszlo Heller