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INVENTION
Patent of the Russian Federation RU2283460
CAVITATION-VORTEX HEATER
The name of the inventor: Kosmynin Vasily Ivanovich (RU); Kosmynin Yuri Vasilyevich
The name of the patent holder: Kosmynin Vasily Ivanovich
Address for correspondence: 665821, Irkutsk region., Angarsk-21, PO Box 5601, V.I. Kosmynin
Date of commencement of the patent: 2004.09.17
The invention relates to the production of thermal energy and can be used in heating systems, hot water supply of buildings, structures and transport. A cavitation-vortex heater is proposed, which includes a cylindrical body, a fluid accelerator, a braking device. The technical result, which consists in the most complete utilization of the power of the rotational motion source directly on the creation of the vortex flow, in eliminating the power losses to overcome the resistances, is achieved by increasing the efficiency of the heater due to the fact that from one end on the shaft of the rotational motion source directly in the liquid accelerator A centrifugal-vortex impeller is placed, the size and design of which provide the possibility of obtaining the given parameters of the vortex flow (angular velocity, fluid flow, pressure), from the other end there is a braking device made in the form of fins radially fixed to the body, the bottom is equipped with a centrally embedded inlet branch pipe And a radially embedded outlet branch pipe.
DESCRIPTION OF THE INVENTION
The invention relates to the production of thermal energy and can be used in heating systems, hot water supply of buildings, structures and transport for various purposes, in particular in technological equipment for expanding the functionality of devices for heating liquid media.
At present, methods and techniques of heat engineering that allow heating liquid in heating and hot water supply systems are widely known. Heat generators and heat pumps are known that produce heat by changing the physical and mechanical parameters of the medium, in particular pressure, volume and velocity. As a medium, gas, a vapor-air mixture or a liquid can be used. The industrial implementation of these devices can reduce the cost of obtaining heat.
From pat. RU 2204770, publ. 2003.05.20 a heat generator is known for heating liquid media. This device includes a body in the form of a tube, a motion accelerator made in the form of a cyclone, the end side of which is connected to the body, and the lateral by the injection branch pipe with an electric drive pump, brake devices mounted: one at the base of the body opposite the cyclone, that is before Washer, other, optional, in the bypass pipe, after the zone of its connection with the cyclone communicating with the inlet end of the bypass pipeline, the inner surface of the washer being made in the form of a spherical shape, the outlet end of the bypass pipeline connected to the pump inlet, and the inner surface of the housing With varying curvature, namely in the form of a truncated cone. The invention makes it possible to increase the efficiency of the heat generator.
Close to the previous one is the heat generator, described in pat. RU 2204090, publ. 2003.05.10 and intended for heating of liquid media. The heat generator comprises a housing having a cylindrical part, a motion accelerator configured as a cyclone, the end face of which is connected to the cylindrical part of the housing, and the lateral by the injection branch pipe to the electric drive pump, the brake devices mounted one at the base of the cylindrical housing part in front of the washer, , Additional, - in the bypass pipe after the zone of its connection with the cyclone, communicating with the inlet end of the bypass pipeline. The internal face of the washer is made in the form of a spherical shape, and the output end of the bypass conduit is connected to the inlet branch pipe of the pump. The invention makes it possible to increase the efficiency of the heat generator.
Common features of the known technical solutions and the proposed invention are the presence in the heat generators of a cylindrical body, accelerator, brake device.
The disadvantages of the described technical solutions are:
- metal consumption,
- cumbersome,
- large expenditures of material and energy resources,
- loss of capacity of the installation to overcome resistance in the injection holes of the cyclone and the circulation pipelines,
- insufficiently high efficiency of the thermal generator,
- Necessity of using the electric drive pump as a motivator for the movement of the working medium.
The need to spend a significant amount of the plant's capacity to overcome the resistance in the injection holes of the cyclone and the circulation pipelines does not allow achieving the claimed technical result - increasing the efficiency of the heater, but also obtaining more heat with less power; The need to use a typical pump complicates the technological scheme and increases the costs of material and energy resources.
Patent RU 2134381 (published on August 1999) describes a device for generating heat in an environmentally friendly manner. This heat generator is made in the form of a vortex tube consisting of a swirling inlet device, a hood and a branch pipe for evacuating the heated liquid. To increase efficiency by intensifying the processes of energy conversion that enters the heat generator of the liquid, the vortex tube body and the heated liquid outlet branch are installed in the heat on different sides of the input swirling device. The internal cavity of the vortex tube body is a vessel, for example a truncated cone, widening from the neck connected to the inlet twist device. In this case, the walls of the cavity are provided with longitudinal grooves of cylindrical shape (they serve as a brake device). Advantages of the heat generator are high efficiency, smaller dimensions and weight, and simplicity of design and operation.
Common features of the known technical solution and the proposed invention are the following design features, namely, the compared devices include:
- a cylindrical body,
- fluid accelerator,
- Braking device.
The known technical solution has the following drawbacks:
- the need to use a typical pump,
- intensive wear of the material on the inner surface of the body in the areas of formation of cavitation zones,
- significant power costs for creating a vortex flow, in connection with this insufficiently high efficiency of the plant as a whole,
- large expenditures of material and energy resources.
The closest (prototype) for the technical essence and the result achieved is the heater described in patent RU 2197688 (published on January 27, 2003), which includes a cylindrical body, a liquid accelerator, a braking device and a centrifugal-vortex wheel located on the shaft of a rotational motion source.
The disadvantages of the known technical solution is that the low efficiency of the pumping unit and, in general, the high efficiency of the thermal generator. The operation of this generator is associated with the need to use a typical pump operating in a marginal mode with low efficiency.
The object of the present invention is to expand the range of cavitation-vortex heaters with improved economic and operational parameters (characteristics).
The technical result of the invention consists in:
- increasing the efficiency of the heater (intensification of the conversion of mechanical energy into thermal energy, preventing the loss of power of the rotational motion source, obtaining more heat at lower power costs),
- simplification of the technological scheme (exclusion from operation of a typical pump and circulation pipelines of a heat generator).
The technical result is achieved due to the fact that in the cavitation-vortex heater including the cylindrical body, the liquid accelerator, the brake device, and the centrifugal-vortex wheel located on the shaft of the rotary motion source, the centrifugal-vortex wheel is located at one end of the body in the accelerator Liquid, and from the other end, in front of the bottom, there is a braking device made in the form of radially fixed ribs, the bottom being equipped with a centrally embedded inlet nozzle and a radially embedded outlet branch pipe.
The proposed cavitation-vortex heater generates thermal energy as a result of the rotational-translational motion of the liquid at a certain rate. A centrifugal-vortex impeller driven by a source of rotary motion (an engine of any type) gives the liquid the necessary flow rate and the circulation velocity of the working medium in the heater to reach the set temperature. The use of the proposed cavitation-vortex heater, due to the combination of the claimed features, ensures the achievement of the claimed technical result. Its operation makes it possible to use the power of the rotary motion source most directly to create a vortex flow, to eliminate power losses to overcome resistances, to increase the efficiency of the heater, to reduce the costs of material and energy resources.
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The cavitational-vortex heater is shown in the drawing and comprises a cylindrical body 1, at one end of which there is installed a liquid flow accelerator 2 in which a centrifugal-vortex impeller 4 is placed on the shaft of the rotary motion source 3, on the other end is made in the form of fins radially fixed to the body A brake device 5, a bottom 6 with a centrally embedded inlet pipe 7 and a radially embedded outlet 8. |
The claimed cavitation-vortex heater operates as follows. The liquid, passing through the centrifugal-vortex impeller and acquiring the calculated centrifugal acceleration and angular velocity, enters the accelerator, forming a vortex flow, and with the speed increasing towards the center rushes into the cylindrical body. Along the cylindrical body in the rotational-translational fluid flow, the centrifugal forces create a reduced pressure in the central part of the flow and a high pressure at the wall of the body. As a result of the pressure difference in the flow, a cavitation mode is created. The turbulent flow, having reached the braking device, sharply loses its speed, while the pressure changes in the liquid. As a result of the latter, the mechanical energy of the liquid is converted into thermal energy. Part of the heated liquid is sent to the outlet pipe to the consumer, returning liquid cooled through the inlet pipe, it mixes with the formed countercurrent liquid in the central part of the vortex tube and is directed to the centrifugal vortex impeller of the accelerator. The cycle is repeated.
CLAIM
A cavitation-vortex heater including a cylindrical body, a liquid accelerator, a braking device, and a centrifugal-vortex wheel disposed on the shaft of the rotary motion source, characterized in that the centrifugal-vortex wheel is located at one end of the housing in the liquid accelerator, and from the other End, in front of the bottom, there is a braking device made in the form of radially fixed ribs, the bottom is equipped with a centrally embedded inlet nozzle and a radially embedded outlet branch pipe.
print version
Date of publication 28.01.2007gg
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