Method of preparation of fuel for combustion

FIELD: mechanical engineering; internal combustion engines.

SUBSTANCE: proposed method comes to treatment of fuel with unipolar magnetic field pulses of duration of 1-10 mcs. Parameters of unipolar pulses of magnetic field are chosen in are of resonance action of magnetic field on fuel. Said resonance action of magnetic field on fuel is done at repetition frequency of unipolar pulses of 10.1-15 Hz, induction of magnetic field of 30 - 95 mT and duration of treatment not less 2.6 s. Fuel is subjected to action of magnetic field on several section of fuel pipeline. Parameters of unipolar pulses of magnetic field chosen from the following ranges, namely, unipolar pulse repetition frequency 10.1 -15 Hz magnetic field induction 30 - 95 mT and duration of treatment not less than 2.6 s are different in each separate section of pipeline. Treatment of fuel by unipolar pulses of magnetic field is carried out when filling in fuel on condition that said fuel will be used not later than in eight days from time of treatment.

EFFECT: reduced consumption of fuel, cost of power supply and discharge of combustion products into atmosphere.

4 cl, 1 tbl, 2 dwg

 

The invention relates to engine, water and road transport, boiler rooms and other facilities that use diesel fuel, in particular to a method of preparation of a fuel for combustion in the engines.

There is a method of preparation of a fuel for combustion in the engine, protected by the RF patent №2103526, CL F02B 51/04, F02M 27/04, F02M 65/00, publ. 27.01.1998.

The method consists in the fact that the fuel is affected by a pulsed magnetic field with a pulse duration of 1-10 MS, and fuel processed within 0.3-2.5 seconds, and the magnetic field induction of 0.1 to 0.6 T and the gradient magnetic field 2-7 T/m during the pulses, repeated through 2-13 MS, varies with the frequency of 30-60 kHz.

The disadvantage of this method is the high value of the magnetic field that can cause energy costs in monetary terms will be comparable with the cost savings due to the magnetic treatment of fuel, and hence the efficiency of magnetic treatment will be lower than the proposed method. In addition, the unclear role of the gradient induction in improving the efficiency of magnetic treatment of fuel, although its creation in the inductor leads to additional complexity is necessary to uneven winding of the wire on the coil.

Closest to the claimed technical amnestie achieved result and selected as a prototype is the method of preparation of the fuel prior to combustion in the engine, protected A.S. USSR №1035257, CL F02B 51/04, publ. 15.08.1983.

In the known method, the fuel is affected by a magnetic field with an induction of 0.1-0.3 T, and the fuel before the fuel is processed within 1-3 min unipolar magnetic field pulses at the repetition rate of 1-10 Hz and a duration of 1-10 seconds. Fuel after processing the magnetic field stand at least 2 hours prior to combustion in the engine.

The disadvantage of this method are the low efficiency of magnetic treatment associated with the choice of parameters of the field, far from the optimal values. This choice of parameters also leads to increased costs of electricity, which reduces the net fuel savings. In addition, the fuel treatment significantly stretched in time. Thus, the cost of electric power, and time of magnetic treatment on 1 percent of the savings will be higher, and therefore the efficiency will be lower.

The problem solved by the invention, the improved method of preparation of a fuel for combustion.

The technical result from the use of the invention is to improve the efficiency of the method of preparation of a fuel for combustion by reducing fuel consumption while reducing costs for power installation-generator pulsed magnetic fields, as well as in reducing select the CA into the atmosphere of toxic products of incomplete combustion of fuel.

This result is achieved in that in the method of preparation of a fuel for combustion by treating unipolar magnetic field pulses with a pulse duration of 1-10 msec, the parameters of unipolar pulses of the magnetic field is chosen in the region of resonance magnetic fields on fuel.

Resonant magnetic field in the fuel is carried out at a repetition rate of unipolar pulses 10,1-15 Hz, the magnetic field 30-95 MT and duration of treatment not less than 2.6 seconds. Resonant magnetic field in the fuel can also be performed on several areas of the fuel line and the unipolar magnetic field pulses selected from the ranges: frequency of recurrence of unipolar pulses 10,1-15 Hz, the magnetic field 30-95 MT and duration of treatment not less than 2.6 seconds, differ in each individual section of the fuel line. Treatment of unipolar pulses of the magnetic field can be produced during charging of the installation of the fuel, while the fuel uplift must be used no later than 8 days from the time the specified handle.

The method is as follows.

On the path supplied to the combustion chamber fuel include the induction coil (single or multilayer), and the fuel in the induction coil moves in on the electrical box in the fuel line. The dielectric paste can be both hard and flexible, for example, in the form of a flexible duratough or polyvinyl hose. Install the generator produces electrical pulses and supplies them to the induction coil or series of coils, where the generated pulsed magnetic field with parameters selected from the area of resonance. The fuel preparation for combustion occurs when moving it inside the induction coil, where it is subjected to unipolar pulses of magnetic field induction 30-95 MT and a frequency of 10.1-15 Hz, a pulse duration of from 1 to 10 msec. Depending on the feed rate of fuel length of the induction coil (coils) is determined on the basis of ensuring the processing time is not less than 2.6 seconds to achieve the effect of saving at least 2% and associated savings environmental effect.

An example of the method.

Comparative bench testing engine 6L 275 with magnetic pulse treatment of diesel fuel. The tests were carried out in 3 stages. The first step was to check and adjust engine 6L 275 running on the alternator. In the adjustment of all parameters of the engine were brought to the certified values. The control parameters was performed using the instrumentation shown in the table.

Power engine in the La was calculated taking into account the efficiency of the generator, determined by the instructions on the generator.

In the second stage to the fuel system of the engine was connected to the apparatus for magnetic pulse processing of spent fuel and its adjustment.

In the third phase were conducted comparative tests of the engine 6L-275 from the magnetic pulse system of fuel treatment and without treatment. Measurements were made on three power modes: 94, 150 and 225 kW scale wattmeter generator. The measurements were performed after stabilization of the temperature of cooling water and lubricating oil. To avoid random errors in each of the modes is performed several series of measurements respectively connected and disconnected apparatus for magnetic pulse processing. During measurement of the fuel consumption in each series of measurements the flow rate was determined at least 10 times. To eliminate random errors was carried out statistical processing of measurement results showed that the reduction of fuel consumption, processed unipolar pulses of the magnetic field, compared with the fuel consumption without the use of magnetic pulse treatment is a statistically significant value.

According to the results of tests it is established that the dependence of fuel economy from the induction values of pulsed magnetic field has the form of a curve of parabolic type with minimum the om. This curve is shown in figure 1

As can be seen from the obtained data, the lowest fuel consumption is achieved in the range from 30 to 95 MT, which corresponds to the resonance region. It should be noted that the reduction of fuel consumption is observed only in part of the range declared in the prototype (100-140 MT), and by induction over 140 MT fuel consumption exceeds the amount of fuel consumption without magnetic processing.

The same species has a curve of fuel consumption from the pulse repetition rate (figure 2). Maximum fuel economy is achieved in the range from 10.1 to 15.0 Hz.

The maximum value of the fuel savings achieved on trials when the processing time of 2.6 seconds, 3.8%. With increasing time of magnetic treatment to 10 seconds, and the sequential processing of fuel with different settings of the magnetic field at which resonance effect of magnetic field on the fuel carried out in several areas of the fuel line and the unipolar pulses of the magnetic field is different in each individual section of the fuel line, the expected value of the savings will be approximately 7%. It should be noted that the increase in processing time will not affect its effectiveness, because this increase will be due to the lengthening of the inductor.

The need for this is an ode to the magnetic treatment is associated with mnogofaktornost diesel fuel. Therefore the impact on fuel multi-mode magnetic field allows you to work in the resonance region for multiple factions.

Improving the efficiency of the process of preparation of the fuel by the exact choice of parameters of pulsed magnetic fields (in the region of maximum field resonance effect) leads, on the one hand, to increase the combustion efficiency and to reduce electric power plant generator to generate a significant, economically tangible value fuel economy. More complete combustion of the fuel occurs due to the collapse of the major factions (or clusters) of fuel under the influence of an electric pulse that accompanies the magnetic pulse. This proved a simultaneous decrease in the viscosity of the fuel and increase its density.

The boundaries of the frequency range selected from the following considerations. The region of resonance effect is in the range of 10.1-15 Hz, and processing at frequencies outside this range gives too small, the effect of the economy and therefore is economically unjustified. The resonance region, i.e. the most effective influence of magnetic field on the fuel from the point of view of its savings in the magnitude of induction lies in the range of 30-95 MT.

Thus, the present invention improves the efficiency of the method p is gotowka fuel for combustion by reducing fuel consumption while reducing costs for power installation-generator pulsed magnetic fields. Training of diesel fuel for combustion in power plants by exposure to a pulsed magnetic field in the region of the resonance frequency and the magnitude of induction, you can get the maximum result per unit cost of electricity supply installation-generator pulsed magnetic fields, which make up less than 0.1% of the value of saved fuel. The result of more complete combustion of the fuel reduces emissions of toxic products of incomplete combustion of fuel.

In addition, the preparation of the fuel in the proposed method is ten times lower than in the prototype and technologically proposed process moving through the fuel line of the fuel is much more convenient.

Table
Measured parameterDimensionMeasurement toolNote
1234
1. Power generatorkWStandard power meterError
2. Fuel consumptionkg/hElectronic weighing deviceThe error does not hurt
3. The maximum combustion pressurekg/cm2Spring indicator IM 17Error
4. The temperature of the exhaust gases°Mercury thermometers
5. The cooling water temperature°Mercury thermometers
6. The temperature of the lubricating oil°Mercury thermometers
7. Magnetic field induction (peak value)MTMillitesla G-77
8. The duration of the magnetic pulsemsecOscilloscope S1-67

1. The method of preparation of a fuel for combustion by treating unipolar magnetic field pulses with a pulse duration of 1-10 MS, characterized in that the parameters of unipolar pulses of the magnetic field is chosen in the region of resonance magnetic fields on fuel.

2. The method of preparation of a fuel for combustion according to claim 1, characterized in that the resonant effect of magnetic field on the fuel OS the effect the frequency of repetition of unipolar pulses 10,1-15 Hz, the magnetic field 30-95 MT and duration of treatment not less than 2.6 C.

3. The method of preparation of a fuel for combustion according to claim 1, characterized in that the influence of the magnetic field on the fuel carried out in several areas of the fuel line and the unipolar magnetic field pulses selected from the ranges: frequency of recurrence of unipolar pulses 10,1-15 Hz, the magnetic field 30-95 MT and duration of treatment not less than 2.6, differ in each individual section of the fuel line.

4. The method of preparation of a fuel for combustion according to claim 1, characterized in that the treatment of unipolar pulses of the magnetic field produced during charging of the installation of the fuel, while the fuel uplift must be used no later than 8 days from the time the specified handle.



 

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