METHOD AND DEVICE TO OBTAIN HEAT ENERGY FROM ELECTRIC ENERGY Russian patent published in 2009 - IPC F24H1/20 

FIELD: heating.

SUBSTANCE: invention relates to electrical engineering, namely to direct conversion of electric energy into heat energy and can be used in hot water supply and heating systems. As for the method the result is achieved by supplying cold water to the casing of the electrode heating installation where it is heated up to the necessary temperature and the aqueous electrolyte is withdrawn to the heat exchanger. The above heating is carried out by providing for the low-temperature plasma in the aqueous electrolyte circulating in the heating loop, the plasma firing temperature is specified and adjusted by switching the groups of electrodes to the network in different sequence and different combination. Each of the above groups comprises at least four electrodes and the quantity of the group themselves amounts to at least five. The above sequence and combination of the electrode groups switched to the network is defined by the water electrical conductivity which is measured before the water is supplied to the installation casing. As for the device the claimed technical result is achieved due to the fact that the electrode heating installation comprises a casing fitted with a feeding branch pipe and a group of electrodes set on the casing; the casing is equipped by at least five groups of electrodes each of them consisting of four electrodes; both the groups and the electrodes in each group are distributed along the casing height and evenly in its whole volume in horizontal planes. The electrodes in each group are mounted with a shift in radial direction; the electrode ends of the first (lower) group are distanced from the casing axis at most and the electrode ends of the following groups are gradually approaching the axis.

EFFECT: development of a cost-saving method to convert electric energy into the heat one as well as an installation with simple design, control and compact dimensions ensuring implementation of the developed method and providing for the adjustment of power and heating temperature of liquid in wide range.

5 cl, 1 dwg