RU2459158C2 - Heater - Google Patents

Abstract

FIELD: power industry.

SUBSTANCE: proposed heater consists of housing, rotor located in it and provided with screw delivery grooves and return grooves, the direction of which is opposite to delivery ones, and made on the rotor; in addition, housing on internal surface is equipped with three-phase winding and has electric current supply wires to three-phase winding. Rotor is rigidly connected by means of a seal to housing and made from non-magnetic material: copper, bronze, brass, aluminium or silumin, has central hole for air ventilation, and cavity between internal surface of housing and external surface of rotor is filled with transformer oil to which there introduced are nanoparticles of carbonyl iron with the size of 10 to 15 nanometres in quantity of 3-16 volume percents of transformer oil volume and covered with surface active substance and oleinic acid.

EFFECT: creation of the device capable of intense warming of heat carrier with rotating magnetic field.

2 cl, 2 dwg

Description

The device relates to rotary vane pumps used as heaters of liquids in a closed loop, and can be used in petrochemical, sanitary, domestic, and other structures.

The famous "Labyrinth screw pump" (see the book "Labyrinth screw pumps and seals for aggressive environments", auth. Golubev AS - M .: Mashinostroenie, 1981, p. 4, Fig. 2). The pump consists of a housing with bearings, a rotor with pressure and return grooves, inlet and outlet pipe. The disadvantage is the low intensity of heating the liquid.

Also known is the “Rotary Vane Pump”, SU 1371141, F16N 39/04, ed. A.M. Stetsyuk and others. It consists of a housing, a rotor with helical oppositely directed grooves and work surfaces. The rotor is supported by bearings and rotates from the engine through a coupling.

The disadvantage of the “Rotary Vane Pump” is that an electric motor and a coupling are needed to drive the rotor, which increases the material consumption of the structure.

In mechanics, rotary vane pumps (prototype) are known for heating liquid, comprising a housing, a rotor located therein with screw injection grooves and reverse grooves, the direction of which is opposite to the injection and made on the rotor, and the housing on the inner surface is equipped with a three-phase winding and has electric current wires to three-phase electrical winding (see application No. 2007141822/06 (045799)) dated 12.11.2007, class. F04D 3/02, author of Grinavtsev et al.).

The disadvantage of this design is that the rotor and bearing assemblies increase the material consumption of the structure.

The technical task of the present invention is to provide a device capable of intensively heating the coolant without rotating the rotor.

The technical problem is achieved in that in the heater, consisting of a housing located in it of the rotor with screw discharge and reverse grooves made on its surface, the direction of which is opposite to the discharge, provided with a three-phase winding with wires on the inner surface of the housing for supplying electric current to the three-phase winding, the rotor is fixedly connected by a seal to the housing and is made of non-magnetic material: copper, bronze, brass, aluminum or silumin, has a central hole for the valve air, and the cavity between the inner surface of the housing and the outer surface of the rotor is filled with transformer oil, into which carbonyl iron nanoparticles with a size of 10 to 15 nanometers in the amount of 3-16 volume percent of the transformer oil and coated with surfactant and oleic acid are introduced.

In this case, carbon nanoparticle nanoparticles have a size of 10 to 15 nanometers, and their number is from 3 to 16 volume percent of the volume of transformer oil.

The proposed heater uses the manifestation of the effect of internal friction of the liquid for its intended purpose - heat.

The invention is illustrated in the figure, on which:

Figure 1 is a schematic illustration of a heater.

Figure 2 is a diagram of a cross section of a heater.

The heater consists of a casing 1 (Fig. 1) made of low-carbon steel, on the inner surface 2 of the casing 1 there are grooves 3 (Fig. 2), in which a three-phase winding 4, a rotor 5 made of non-magnetic material: copper, bronze, brass is placed , aluminum or silumin, has injection grooves 6 and reverse 7 grooves and seals 8, with which the rotor 5 is fixedly connected to the housing 1, and the cavity formed by the inner surface 2 of the housing 1 and the outer surface 9 of the rotor 5 is filled with transformer oil into which nanoparticles are introduced carbon about iron 11 ranging in size from 10 to 15 nanometers in the amount of 3–16 volume percent of the volume of transformer oil and coated with surfactant and oleic acid 12. The housing 1 has wires 13 and insulators 14 for supplying an electric current voltage to a three-phase winding 4, as a result, a rotating magnetic field 15 is created according to the principle of an asynchronous motor (see Kasatkin AS - M .: Energy, 1973, pp. 385-386). The rotor 1 has an opening 16 for air ventilation, through which heat is given to the environment, and the housing 1 is the outer surface 17.

The heater operates as follows.

When supplying wires 13 (Fig. 1) voltage to a three-phase winding 4 located in the grooves 3, a rotating magnetic field 15 arises, which acts on transformer oil 10, into which carbon nanoparticle 11 particles from 10 to 15 nanometers in size are introduced 3–16 volume percent of transformer oil and coated with a surfactant and oleic acid 12. Under the influence of an electromagnetic field, carbon nanoparticles 11, which are evenly distributed in transformer oil and reliably protect us by sticking a surfactant and oleic acid 12, create a stream that moves with the speed of the magnetic field 15, entrain the molecule transformer oil 10 by pressurizing grooves 6 and the inverse grooves 7 creates backflow. The collision of the two streams creates high turbulence, characterized by high internal friction, due to which the transformer oil 10 intensively heats up and heats the housing 1, rotor 5, which, in turn, through the outer surface 16 and through the hole 17 in the rotor 5 give off heat to the surrounding environment. The intensity of heat in the transformer oil 10 depends on the profile of the discharge grooves 6 and the return grooves 7 and the viscosity of the transformer oil 10, which allows you to obtain a given temperature mode of heating. According to hydrodynamics, a turbulent flow cannot heat a liquid above the boiling point, but it is much lower than the ignition temperature. In addition, the heater does not have high-temperature (up to 900 ° C) thermoelectric heaters, which completely eliminates spontaneous combustion of the heater and ensures complete passive fire safety of the device.

Claims (2)

1. The heater, consisting of a housing located in it of the rotor with screw injection grooves and reverse grooves, the direction of which is opposite to the injection, and made on the rotor, and the housing on the inner surface is equipped with a three-phase winding and has wires for supplying electric current to the three-phase winding, characterized in that the rotor is fixedly connected by a seal to the body and made of non-magnetic material: copper, bronze, brass, aluminum or silumin, has a central hole for air ventilation a, a cavity between the inner surface of the housing and the outer surface of the rotor is filled with transformer oil, in which administered nanoparticles carbonyl iron of 10 to 15 nm in an amount of 3 ÷ 16 vol.% of the volume of transformer oil, coated with a surfactant and oleic acid. 2. The heater according to claim 1, characterized in that the carbonyl iron nanoparticles have a size of from 10 to 15 nm, and their amount is from 3 to 16 vol.% Of the volume of transformer oil.

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