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INVENTION
Patent of the Russian Federation RU2038506
METHOD OF FUEL PROCESSING
The name of the inventor: Fedotov AD; Bakanov AA; Shabordin A.V.
The name of the patent holder: Fedotov Alexander Demjanovich
Address for correspondence:
The effective date of the patent: 1992.07.27
Use: heat engineering, in particular, methods of processing fuel before its combustion, for example, in internal combustion engines, in furnaces of boiler houses and other power plants in order to ensure more complete combustion of fuel and reduce harmful emissions. SUMMARY OF THE INVENTION: a flow is passed through a portion 3 of the fuel pipe 1, in which electrodes are installed: a spring 4 and an internal 5, to which an alternating voltage with variable frequency is supplied from the electromagnetic energy generator 8. Between the electrodes, due to the fuel moving between them, a mobile alternating electromagnetic field arises, under the action of which the fuel is further energized and fractionated into small fractions. In this case, the parameters of the electromagnetic effect on the fuel are established in accordance with the experimentally established relationship and certain numerical values. Such fuel allows to increase the fuel economy of the engine by 15 - 20% and to reduce emissions of CO and other residual fractions due to a more complete combustion of the mixture.
DESCRIPTION OF THE INVENTION
The present invention relates to heating engineering, in particular to methods for treating fuel before its combustion, for example, in internal combustion engines, in burners of boiler rooms and other power plants, in order to ensure more complete combustion of fuel and reduce harmful emissions into the atmosphere.
A method of electrostatic fuel treatment in a carburettor internal combustion engine is known. During spraying, the fuel is exposed to electricity from a DC power source, so that the electric charge of the droplets is stepwise increased to a significant extent, resulting in an additional crushing of the droplets. The resulting torch of charged fuel particles differs in a finely dispersed and relatively homogeneous composition. The disadvantage of this method is the complexity of the process and the relatively weak results of its impact on fuel.
There is also a known method for processing fuel in an internal combustion engine feeding system adopted as a prototype, according to which the fuel is treated with an electric DC field created, for example, by a battery, by passing a flow between the positive electrode in the center of the fuel pipe and negative on its housing. The disadvantage of this method is the weak fuel fragmentation effect achieved by the action of a constant electric field.
According to the theory of magnetohydrodynamics, the simple imposition of constant electric and magnetic fields does not create an electromagnetic field, since there is no motion and no energy conversion. It is in an alternating electromagnetic field that a phenomenon called the "Poynting vector" arises, which expresses the additional flux of the energy of the electromagnetic field per unit time (power flow) through a unit of the surface normal to the direction of propagation of energy. The use of this phenomenon is the basis for the proposed technical solution.
The main task that the proposed invention solves is to increase the efficiency of fuel combustion by providing it with an additional energy potential.
This is achieved by the fact that the fuel is passed through a section of the fuel pipe made in the form of two parallel electrodes, to which an alternating voltage is applied so that a strong electromagnetic field arises in the flowing stream, under which the fuel is further energized and crushed into fine-dispersed fractions. In this case, the parameters of the electromagnetic action are chosen in accordance with the relation L / D 2 K t / U × f 2 , where all letter designations have numerical values determined experimentally.
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In Fig. 1 is a diagram of a section of a fuel pipe with installed parallel electrodes; In Fig. 2 graph of the dependence of the parameters of the electromagnetic field acting on the fuel flow.
The section of the fuel pipe where the fuel is electromagnetically exposed is usually located in the immediate vicinity of the engine in which the fuel burns. To the hollow pipeline 1, through the couplings 2, the housing of the device for electromagnetic influence on the fuel is connected. The housing 3 is made of an electrically insulating material. Two parallel electrodes are coaxially installed therein: an outer electrode 4 made, for example, in the form of a metal braid, and an inner electrode 5, for example made in the form of a sealed metal busbar. The outer electrode 4 through the current lead 6 and the internal electrode 5 through the current lead 7 is connected to the electromagnetic energy generator 8.
The fuel, flowing through the heat pipe 1 as indicated by an arrow, fills the section of the body, marked with the letter L, between two parallel electrodes 4 and 5, at which time an alternating voltage with a variable frequency is supplied from the generator 3. Between the electrodes, due to the fuel moving between them, a mobile alternating electromagnetic field arises. Under the influence of the electromagnetic field, the fuel is further energized and crushed into small fractions. Changing the geometric dimensions of the body 3, i.e. L and D, change the duration of the fuel processing process. At the outlet of the housing 3, the fuel enters the exhaust pipe and through it is fed directly into the burner or carburetor of the engine. Parameters of electromagnetic influence on fuel are selected depending on its quality, primarily on the electrical conductivity and viscosity. These parameters should correspond to the following relationship:
- L / D 2 K t / U × f 2 , where L is the length of the housing in which the fuel is subjected to an electromagnetic field;
- D body diameter, inner;
- U voltage applied to the electrodes;
- F frequency of oscillation of the electromagnetic field;
- K m is the fuel quality factor, characterized by its viscosity and electrical conductivity;
The carried out researches and experiments on fuel processing by an electromagnetic field have allowed to establish optimum numerical values of each parameter at which the economy of fuel and decrease in harmful emissions in atmosphere is reached. In Fig. 2 shows the graphs of the dependence of the parameters of the electromagnetic field on the length of the housing L. Since in practice this length remains constant in the device, changing other parameters, in particular U and f, select the optimum mode for each fuel.
The numerical value of the parameters of the electromagnetic action is chosen as follows:
- L 1200-1600 mm; D 7.5-10.0 mm; U 12-600 V.
- F 10-100 Hz, K t 0.8-1.0.
Carried out in this way the processing of fuel before its combustion allows to increase the economy of the engine by 15-20% depending on the type of fuel used, and to reduce by 100% the emissions of CO and other residual fractions due to a more complete combustion of the fuel mixture.
Thus, the proposed method of processing fuel is new, satisfies the inventive step and is industrially applicable.
CLAIM
1. A METHOD OF FUEL PROCESSING, comprising: passing a fuel flow between electrodes under voltage and acting on fuel by an electromagnetic field propagating along a pair of parallel electrodes, characterized in that the parameters of the electromagnetic field and the time of its effect on the fuel are set in accordance with the relation:
L / D 2 = K t / U f 2 ,
Where L and D are respectively the length and diameter of the section of the fuel pipe on which the fuel is subjected to an electromagnetic field;
U voltage applied to the electrodes;
F frequency of oscillation of the electromagnetic field;
K t is the fuel quality factor, which is characterized by its viscosity and electrical conductivity.
2. The method according to claim 1, characterized in that the parameters of the electromagnetic effect on the fuel are established by observing the following values: L 1200-1600 mm; D 7.5-10.0 mm; U 12-600 V; F 10-100 Hz; K t 0.8-1.0.
print version
Date of publication 07.04.2007gg
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