Method of preparation of environmentally friendly diesel fuel in the vehicle tank

 

(57) Abstract:

The invention relates to a method of making environmentally friendly diesel fuels in field conditions in the automotive tanks at gas stations. The essence of the method lies in the fact that they are preparing a multifunctional additive concentrate of paraffin hydrocarbons and additives in the first compartment of the tank, dispense the additive concentrate in low-grade diesel fuel, circulate diesel fuel through the second compartment of the tank, measure the kinematic viscosity and the density of the mixture in the second compartment of the tank, calculate the cetane number of the mixture, and comparing with a cetane number of the reference diesel fuel when the engine is on the reference fuel, regulate the flow of the additive concentrate to the input of the mixer with correction for cetane number of trademark mixture when the engine is operating in the commodity mix, compare the cetane number of a trademark mixture when the engine is on product mixture with a cetane number of the reference mixture, regulate the flow of low-grade diesel fuel input to the mixer with the correction on the completeness of combustion. 1 Il.

The invention relates to a method of making environmentally friendly diesel S="ptx2">

A known method of regulating the ratio of the costs of petroleum products, for example, in the preparation of commercial diesel fuel by mixing sour straight run diesel hydrotreated diesel fuel with low sulfur content and control their costs (see ed. mon. The USSR 570029, CL G 05, 11/58, G 11/02 05, 1977).

The closest in technical essence to the proposed solution is the method of preparation of diesel fuels by mixing the individual components and control their costs (see ed. mon. The USSR 1194471, CL 01 F 3/08, G 05 D 27/00, 1985)

This method is used as a prototype.

However, the known methods are implemented only on industrial sites and require large capital expenditures. In addition, the engines (diesel engines) diesel fuel, have low resource and have a negative impact on the environment due to the unstable indicator of fuel quality.

The basis of the invention is the technical task of creating a way of making environmentally friendly diesel fuel in the vehicle tank, which would allow to improve technical and economic performance, operational characteristics of diesel engines (engines) by stabilizing Oplev in the vehicle tank by mixing the individual components and control their costs are preparing a multifunctional additive concentrate of paraffin hydrocarbons and additives in the first compartment of the tank, dispense the additive concentrate in low-grade diesel fuel, circulate diesel fuel through the second compartment of the tank, measure the kinematic viscosity and the density of the mixture in the second compartment of the tank, calculate the cetane number of the mixture, and comparing with a cetane number of the reference diesel fuel when the engine (diesel) on the reference fuel, regulate the flow of the additive concentrate to the input of the mixer with correction for cetane number of trademark mixture when the engine is on commercial diesel fuel, the latter is compared with a cetane number of the reference mixture and regulate the flow of low-grade diesel fuel input to the mixer with the correction on the completeness of combustion.

The drawing shows a schematic diagram of a device for implementing the method.

The device comprises a tank 1, the first compartment which is connected through the actuator 2 to the first input of the mixer 3, the second input of which is connected through serially connected viscometer 4 and the density measuring device 5 with the outlet of the second compartment of the tank 1, and the output of mixer 3 is connected with the receiving tube of the pump 6, one end of which is connected with the second compartment of the tank 1, and the second output with the first in the new output it is connected to the input of the sensor 8 of complete combustion (CO2), the second output with the first input of the optimizer 9, the third output with the first input of the regulator 10, a second input connected to the first output of the optimizer 9, and the output of the actuator 2. The output of the sensor 8 of complete combustion connected to the first input of the regulator 11, a second input connected to the second output of the optimizer 9, and the output of the actuator 12 mounted on the supply line of low-grade diesel fuel in the mixer 3. The second outputs of the viscometer 4 and the density measuring device 5 are connected respectively with the first and second inputs of the controller 13, and some of their outputs respectively from the second and third inputs of the optimizer 9, a fourth input connected to the output of the controller 13.

The method of preparation of diesel fuel as follows.

The supply of low-grade diesel fuel is produced through the mixer 3 to the intake of the circulating pump 6. To the second input of the mixer 3 is fed concentrate multifunctional additives from the first compartment of the tank 1, a pump 3 circulates the mixture through the second compartment of the tank 1, the mixer 3. Measure the viscosity of viscosimeters 4 and the density of the density measuring device 5 for the circulating mixture, calculate the cetane number of the mixture 40the density of the mixture

Calculated cetane number compared to the cetane number of the reference diesel fuel optimizer 9, while the engine is running on the reference diesel fuel. Generated signal from the output of the optimizer 9 is input to the "job" of the regulator 10, the entry "program" which is a corrective signal cetane number of circulating commodity mix (commercial diesel fuel). The controller 10 executes the regulatory impact Executive mechanism 2, increasing or decreasing the flow of concentrate multifunctional additives to the input mixture indicator 3 depending on the cetane number of the mixture, thus indirectly optimized depressant properties of the mixture (pour point) depending on the viscosity.

Compare cetane number commodity mix with a cetane number of the reference mixture in the optimizer 9, while the engine is running on the prepared mixture. Generated signal with the optimizer 9 is input to the job controller 11, to the input of the "program" which is a corrective signal from the sensor 8 of complete combustion commodity mix. The controller 11 executes the regulatory impact Executive mechanism 12 by increasing or amenesia, this indirectly optimized fractional composition depending on the density of the commodity mix.

Method of preparation of environmentally friendly diesel fuel in the vehicle tank by mixing the individual components and control their spending, wherein preparing the multifunctional additive concentrate of paraffin hydrocarbons and additives in the first compartment of the tank, dispense the additive concentrate in low-grade diesel fuel, are derived diesel fuel through the second compartment of the tank, measure the kinematic viscosity and the density of the mixture in the second compartment of the tank, calculate the cetane number of the mixture, and comparing with a cetane number of the reference diesel fuel when the engine is on the reference fuel, regulate the flow of the additive concentrate to the input of the mixer with correction for cetane number of trademark mixture when the engine is on product mix, compared cetane number commodity mixture when the engine is on product mixture with a cetane number of the reference mixture, regulate the flow of low-grade diesel fuel input to the mixer with the correction on the completeness of combustion.

 

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