Liquid heating device

FIELD: heating engineering, particularly liquid heating equipment.

SUBSTANCE: liquid heating device comprises heat-generator having outlet pipe, electrically driven main-line pump connected to heat-generator, supply and return pipelines provided with shutoff valves, which establish heat-generator communication with heat-exchangers. Heat-insulated sealed heat-exchanger is arranged between outlet pipe and supply pipeline. The heat-exchanger has turbine communicated with electric drive. Outlet heat-generator pipe is made as converging nozzle provided with curvilinear grooves in inner surface thereof. The curvilinear grooves extend from inlet orifice to outlet one in longitudinal direction.

EFFECT: increased energy-conversion efficiency.

1 dwg

 

The invention relates to heat engineering, in particular to a device for heating the liquid, and can be used in the heating system of buildings and structures for industrial and domestic use, drying of agricultural products. In addition, the device can be used for heating directly in the pipeline viscous liquids like oil to reduce viscosity and improve its rheological properties.

Known heat pump (see and. C. the USSR № 458591, M CL F25B 29/00, 1972), comprising a housing in the form of sealed spherical vessel with the working environment and placed in it a heat exchanger network pump, flow and return, equipped with shut-off valves, and the heat consumer.

The disadvantage is the very high pressure in the body, which places high demands on strength of body parts, gate ventila and pipelines.

Known heat source and a device for heating liquids (see RF patent № 2045715 IPC F25B 29/00, 1995, bull. No. 28), containing the heat source with the outlet pipe, a work network pump actuator coupled to the housing of the heat generator, the supply and return piping with shutoff valves, ensuring the interconnection of a heat generator with heat exchangers.

The disadvantage is the low energy during movement of the coolant after heat is generator interconnected by supply and return lines with heat exchangers.

The technical task of the invention is to improve the energy efficiency through the use of the energy potential flow of a moving fluid in the device for heating the liquid received in the heat and not selected when you move the coolant to the heat exchangers.

The technical result is to increase the energy efficiency is achieved by a device for heating the liquid containing the heat source with the outlet pipe, a work network pump actuator coupled to the housing of the heat generator, the supply and return piping with shutoff valves, ensuring the interconnection of a heat generator with heat exchangers between the outlet pipe and the feed pipe is additionally insulated hermetically sealed heat exchanger, equipped with a turbine which is mechanically connected with the motor and the outlet of the heat generator is made in the form of a tapering nozzle, on the inner surface of which is made of curved grooves, longitudinally spaced from the inlet to the outlet.

Figure 1 shows a schematic diagram of a device for heating liquids, in figure 2, the internal surface of the outlet pipe in the form of a tapering nozzle with curved grooves.

A device for heating liquids contains the network working pump with electric drive 1, coupled to the housing of the heat generator 2 through the injection nozzle 3. The output nozzle 4 made in the form of a tapering nozzle, connected with insulated hermetically sealed heat exchanger 5, is equipped with impeller 6 which is mechanically connected with the motor. The supply pipe 7 connects the insulated hermetically sealed heat exchanger 5 with the heat exchangers 8, which by means of the return pipe 9 and gate ventila 10 and 11 are connected to a work network pump with electric motor 1, on the inner surface of the outlet pipe 4 in the form of a tapering nozzle is curved grooves 12 from the inlet to the outlet holes.

The device for heating the liquid works as follows. When the work of the network pump with electric drive 1 liquid injection pipe 3 pressure 0.4-0.6 MPa enters the body of the heat generator 2, where the conversion of the kinetic energy of the fluid in the heat and the increase of its temperature. At the outlet of the housing of the heat generator 2, the liquid at high temperature (specified operating conditions, such as heating or for heating industrial and domestic use) is fed into the output nozzle 4 made in the form of a tapering nozzle, where moves along a curved Cana the Cam 12, which leads to the increase of its speed. The flow of a liquid with temperature, obtained in the heat generator 2 and the considerable kinetic energy obtained at the output of the tapering nozzle, enters the insulated hermetically sealed heat exchanger 5, where the effect on the impeller 6, which is mechanically connected with the motor, and the result is the generation of electricity. Contact flow with temperature, obtained in the heat with the blades of the impeller, with the transfer of heat to the material design of the blades, i.e. this process is impossible without heat transfer. Due to the fact that capacitive heat exchanger 5 is airtight and insulated, i.e. the system is close to adiabatic (rotation of the impeller is carried out only at the expense of the kinetic energy of the fluid without the cost of heat), thermal energy fluid coming out of it, is virtually the same thermal parameters (the temperature of the liquid at the outlet of the heat source (see, for example, Parshakov BP and other Thermodynamics and heat transfer (in technological processes of oil and gas industry) M.: Nedra, 1987, s). The heated fluid through a check valve 10 through the supply pipe 7 enters the heat exchanger 8, where it gives off heat, for example, heated the room and through a check blower adjust the 11 on the return pipe 9 is sent to a work network pump with electric drive 1. Then the cycle of operation of the device for heating the liquid is repeated.

The originality of the proposed technical regime to improve the energy efficiency of the heat carrier in the device for heating the liquid lies in the fact that along with the usage temperature parameters in the heating system is achieved by converting the kinetic energy of a flowing stream in electropneumatically into electrical energy by the fluid on the blades of the impeller, mechanically connected with the electric insulated capacitive hermetic heat exchanger, which is close to the adiabatic heat exchange system.

The device for heating the liquid containing the heat source with the outlet pipe, a work network pump electrically connected to the heat source, the supply and return piping with shutoff valves, ensuring the interconnection of a heat generator with heat exchangers, characterized in that between the outlet pipe and the feed pipe is additionally insulated, hermetically sealed heat exchanger, equipped with a turbine which is mechanically connected with the motor, while the outlet of the heat generator is made in the form of a tapering nozzle, on the inner surface of which is made of curved grooves, longitudinally the positioning from the inlet to the outlet.



 

Same patents:

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