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INVENTION
Patent of the Russian Federation RU2173432
HEAT GENERATOR FOR LIQUID HEATING
The name of the inventor: Levshakov AM; Vorobyov N.I .; Kusik V.I.
The name of the patent holder: Amur State University
Address for correspondence: 675027, Blagoveshchensk, Ignatievskoe sh., 21, Amur State University
Date of commencement of the patent: 2000.02.17
The invention relates to devices for heating a liquid and can be used for heating buildings. A heat generator for heating liquids having a cylindrical body with a cyclone accelerating the flow of liquid in its lower part, a brake device in the upper part of the body, an outlet fitting connected to the cyclone by an overflow pipe, the connection being coaxial at the end of the cyclone, An angle of 10 ° to its radial section, and an outer wall of the injection pipe at the entrance to the housing is provided with a guide blade attached to the end of the cyclone. In this case, the outer wall of the injection branch pipe and the guide vane are made along a logarithmic spiral with a length of the guiding blade more 
R / 2, where R is the inner radius of the body, and the cyclone and cylindrical bodies are made with the same radius. The technical result is an increase in the thermodynamic efficiency of energy conversion.
DESCRIPTION OF THE INVENTION
The invention relates to devices for heating buildings and structures.
A heat generator (1) is known , comprising a sealed spherical housing with a heat exchanger located therein, a network pump supplying and return heating mains with shut-off valves. The disadvantage of this heat generator is high operating pressures reaching 1000 atm.
The closest technical essence is a heat generator for heating liquids (2) having a cylindrical body with a cyclone, an accelerator for the flow of liquid in its lower part, a brake device in the upper part of the body, an outlet fitting connected to the cyclone by an overflow pipe, The end of the cyclone is coaxial to it.
The disadvantage of this heat generator is the low thermodynamic efficiency of energy conversion.
The purpose of the invention is to increase the thermodynamic efficiency of energy conversion.
The above object is achieved in that in a heat generator for heating liquids having a cylindrical body with a cyclone accelerating the flow of liquid in its lower part, a brake device in the upper part of the body, an outlet pipe connected to the cyclone by an overflow pipe, the end face of the cyclone is set at an angle of 10 O to its radial section, and the outer wall of the injection pipe at the entrance to the housing is provided with a guiding blade 10 attached to the end of the cyclone. In this case, the outer wall of the injection branch pipe and the guide vane are made along a logarithmic spiral with a length of the guiding blade more R / 2, where R is the inner radius of the body. In this case, the cylindrical body and the cyclone are made with the same radius.
Due to the fact that the end of the cyclone is installed at an angle of 10 ° to its radial section, the outer wall of the injection pipe at the entrance to the housing is provided with a guiding blade, and the outer wall of the injection branch and the guide blade are made along a logarithmic spiral with a length of the guiding blade more R / 2, where R is the inner radius of the body. Provided that the cyclone and cylindrical bodies are made with the same radius, there is an acceleration and twisting of the liquid flow with the lowest energy losses, which causes an increase in the thermodynamic efficiency of energy conversion.
When analyzing the state of the art in order to test the novelty of the claimed heat generator, no analogues are found with the aforementioned set of the above-mentioned features. Therefore, the described technical solution corresponds to the criterion of "novelty".
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In Fig. 1 shows a general view of a heat generator for heating a liquid; FIG. 2 is a sectional view AA in FIG. 1; In Fig. 3 is a cross-sectional view of the BB in FIG. 1.
The heat generator contains a cylindrical body 1, with a cyclone 2 - an accelerator of fluid movement in its lower part. In the upper part of the body 1, a brake device 3 is provided, which includes several ribs 4 fixed to the outer surface of the brake device. Behind the brake device 3, an outlet pipe 5 is installed. At the entrance to the cyclone 2, an injection nozzle 6 with an outlet 7 is tangentially installed. The outlet pipe 5 is connected to the cyclone 2 by means of an overflow pipe 8. The connection is arranged coaxially at the end of the cyclone 9. The end face of the cyclone 9 is installed at an angle of 10 ° to its radial section, and the outer wall 10 of the injection pipe 6 at the entrance to the cyclone 2 is provided with a guide blade 11 attached to the end face of the cyclone 9. In this case, the outer wall of the injection pipe 10 and the guide blade 11 are formed The logarithmic spiral with the length of the guide blade is more R / 2, where R is the inner radius of the body, and the cylindrical body 1 and the cyclone 2 are made with the same radius.
THE THERMAL GENERATOR WORKS FOLLOWING
When the liquid is fed through the injection pipe 6, the liquid under pressure 0.4-0.6 MPa is sent to the cyclone 2, the accelerator. When passing through the inlet hole 7 due to frictional forces, the liquid is partially heated. In the cyclone 2 there is an acceleration of the motion of the liquid and its twisting. With swirling motion in the cylindrical body 1, the fluid pressure changes, which leads to an increase in the temperature of the liquid. When passing through the braking device 4, the kinetic energy of the liquid drops, which causes a further increase in the temperature of the liquid. Due to the fact that the end face of the cyclone 9 is installed at an angle of 10 ° to its radial section, the outer wall of the injection pipe 6 at the entrance to the body 1 is provided with a guiding blade 10 and they are made along a logarithmic spiral with a length of the guide blade more R / 2, where R is the inner radius of the body. Provided that the cylindrical body 1 and the cyclone 2 are made with the same radius, the flow of the liquid is accelerated and twisted with the lowest energy losses, which causes an increase in the thermodynamic efficiency of the energy conversion.
The conducted experiments showed that with the same amount of electricity consumed, the water in the proposed heat generator was heated at 15 ° C higher than in the prototype heat generator.
For the manufacture of a heat generator in industrial conditions, standard equipment and materials are used.
USED BOOKS
1. SU 458591, cl. F 25 B 29/00, 1972.
2. RU 2045715, cl. F 25 B 29/00, 1995.
CLAIM
1. A heat generator for heating liquids having a cylindrical body with a liquid accelerator cyclone in its lower part, a braking device in the upper part of the body, an outlet fitting connected to the cyclone by an overflow pipe, the connection being coaxial to the cyclone end, different In that the end of the cyclone is installed at an angle of 10 ° to its radial section, and the outer wall of the injection pipe at the entrance to the housing is provided with a guide blade attached to the end of the cyclone.
2. The heat generator according to claim 1, characterized in that the outer wall of the injection pipe and the guide blade are formed along a logarithmic spiral with a length of the guiding blade more R / 2, where R is the inner radius of the body.
3. Heat generator according to claims 1 and 2, characterized in that the cyclone and the cylindrical body are made with the same radius.
print version
Date of publication on December 21, 2006
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