Fuel oil supply unit device

Abstract

The invention discloses a fuel oil supply unit device which comprises an electric heater, an automatic backwashing filter, a plate cooler, a viscometer, a supply pump, an expansion tank, an oil mixing tank, a flow meter, a booster pump, a duplex filter, an electric control system, a bypass, a steam heater and a pressure control system. By heating the fuel oil, the fuel oil has better flowability and combustibility, so that the heat value of the fuel oil is increased, exhaust emission is reduced, the utilization rate of the fuel oil is increased, and the operation cost is reduced. Meanwhile, the heater can prevent the fuel oil from freezing in a low-temperature environment, and normal operation of a fuel oil system is guaranteed. The method has the advantages of high environmental protection degree, good reliability, continuous production and the like.

Description

Technical Field

[0001] The invention relates to a fuel supply unit device, which can heat hot oil to achieve light and heavy oil conversion, automatic viscosity control, fuel oil filtering and automatic cleaning, etc., improve hot oil utilization and reduce waste discharge requirements, and belongs to the field of automation technology. Background Art

[0002] During the fuel supply process, it is necessary to supply fuel to the daily fuel tank, diesel tank and diesel engine, and then enter the catalytic device for dechlorination and denitration through the catalyst. The current manual method has a low degree of automation. The fuel is not fully burned and exhaust gas is emitted, which affects environmental protection to a certain extent. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a fuel supply unit device with high automation, environmental protection, good reliability and continuous production.

[0004] The technical solution of the present invention is: a fuel supply unit device, including an electric heater, an automatic backwash filter, a plate cooler, a viscometer, a supply pump, an expansion tank, an oil mixing barrel, a flow meter, a booster pump, a duplex filter, an electric control system, a bypass, a steam heater and a pressure control system; An electric heater is installed on the pipeline at the fuel input end to heat the fuel by converting electrical energy into thermal energy; The electric heater is connected to the oil mixing barrel, and an automatic backwash filter and a plate cooler are sequentially arranged on the oil supply pipeline connecting the electric heater and the oil mixing barrel; the automatic backwash filter is used to remove impurities from the fuel entering the oil supply pipeline; the plate cooler is used to cool the fuel; The steam heater is also connected to the oil mixing barrel and is arranged before the automatic backwash filter; The plate cooler is connected to the supply pump; a viscometer is provided between the plate cooler and the supply pump for monitoring the viscosity of the fuel; The supply pump is connected to the oil mixing barrel; the oil mixing barrel is also connected to the double filter through a booster pump; a flow meter is provided on the oil supply pipeline between the booster pump and the oil mixing barrel to monitor the flow of the fuel; A bypass is arranged after the supply pump; The electric control system is connected to the automatic backwash filter, the plate cooler, the viscometer, the supply pump, the oil mixing barrel, the flow meter and the booster pump through a signal line; The pressure control system is used to control the pressure of the fuel supply unit.

[0005] Furthermore, an expansion tank is provided on the pipeline between the automatic backwash filter and the oil mixing barrel.

[0006] A steering valve is provided at the input end of the electric heater to realize the conversion between light and heavy oil.

[0007] The electric heater of the present invention converts electrical energy into thermal energy to heat the fuel to prevent the fuel from waxing in a low temperature environment. When the fuel temperature is too low, the electric heater will start to heat the fuel to keep it at an appropriate fluidity and ensure the normal fuel supply of the fuel system.

[0008] A fuel supply method of a fuel supply unit device of the present invention is characterized by: The supply pump pumps the fuel oil out of the oil tank and heats the fuel oil as required through an electric heater or a steam heater; After being treated by the electric heater, the fuel enters the automatic backwash filter for filtration. The plate cooler cools the fuel as needed, and then the fuel is input into the mixing barrel through the supply pump. The mixing barrel receives the fuel from the oil tank and holds the fuel. The heated or cooled fuel enters the viscometer inlet, and the viscometer monitors the current concentration of the fuel in real time, and feeds the measured value back to the electronic control system; The fuel in the mixed oil tank is pressurized for the second time by the fuel supply booster pump, and the pressure control system adjusts and controls the outlet pressure of the fuel pump; the fuel flow rate and flow data are counted by the flow meter and fed back to the electronic control system; The output of the mixed oil drum is then filtered twice by the duplex filter before being fed into the diesel engine.

[0009] The beneficial effects of the present invention are: The device of the present invention has a simple structure and obvious effect. By heating the fuel, the fuel can achieve better fluidity and flammability, thereby increasing the calorific value of the fuel, reducing exhaust emissions, improving the utilization rate of the fuel, and reducing operating costs. At the same time, the heater can also prevent the fuel from freezing in a low temperature environment, ensuring the normal operation of the fuel system. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0011] Figure 1 It is a top view of the present invention.

[0012] Figure 2 It is a side view of the present invention.

[0013] Figure 3 This is an appearance diagram of the present invention.

[0014] In the figure, it is composed of an electric heater (1), an automatic backwash filter (2), a plate cooler (3), a viscometer (4), a supply pump (5), an expansion tank (6), an oil mixing drum (7), a flow meter (8), a booster pump (9), a duplex filter (10), an electronic control system (11), a bypass (12), a steam heater (13), a pressure control system (14), etc. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The elements and features described in one embodiment of the present invention may be combined with the elements and features shown in one or more other embodiments. It should be noted that for the purpose of clarity, the representation and description of components and processes that are not related to the present invention and are known to those of ordinary skill in the art are omitted in the description. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present invention.

[0016] refer to Figure 1-Figure 3 , which is a fuel supply unit device of the present invention, comprising an electric heater 1, an automatic backwash filter 2, a plate cooler 3, a viscometer 4, a supply pump 5, an expansion tank 6, an oil mixing barrel 7, a flow meter 8, a booster pump 9, a duplex filter 10, an electronic control system 11, a bypass 12, a steam heater 13 and a pressure control system 14; An electric heater 1 is installed on the pipeline at the fuel input end to heat the fuel by converting electrical energy into thermal energy; The electric heater 1 is connected to the oil mixing barrel 7, and an automatic backwash filter 2 and a plate cooler 3 are sequentially arranged on the oil supply pipeline connecting the electric heater 1 and the oil mixing barrel 7; the automatic backwash filter 2 is used to remove impurities from the fuel entering the oil supply pipeline; the plate cooler 3 is used to cool the fuel; The steam heater 13 is also connected to the oil mixing barrel 7 and is arranged before the automatic backwash filter 2; The plate cooler 3 is connected to the supply pump 5; a viscometer 4 is provided between the plate cooler 3 and the supply pump 5 for monitoring the viscosity of the fuel; The supply pump 5 is connected to the oil mixing barrel 7; the oil mixing barrel 7 is also connected to the double filter 10 through a booster pump 9; a flow meter 8 is provided on the oil supply pipeline between the booster pump 9 and the oil mixing barrel 7 for monitoring the flow of the fuel; A bypass 12 is provided after the supply pump 5; The electronic control system 11 is connected with the automatic backwash filter 2, the plate cooler 3, the viscometer 4, the supply pump 5, the oil mixing barrel 7, the flow meter 8 and the booster pump 9 through signal lines; when the temperature, pressure and viscosity in the pipeline are abnormal, timely response is made, and an alarm or pipeline switching is performed.

[0017] The pressure control system 14 is used to control the pressure of the fuel supply unit.

[0018] An expansion tank 6 is also provided on the pipeline between the automatic backwash filter 2 and the oil mixing barrel 7 .

[0019] A fuel supply method of a fuel supply unit device of the present invention comprises the following steps: The supply pump pumps the fuel oil out of the oil tank and heats the fuel oil as required through an electric heater or a steam heater; After being treated by the electric heater, the fuel enters the automatic backwash filter for filtration. The plate cooler cools the fuel as needed, and then the fuel is input into the mixing barrel through the supply pump. The mixing barrel receives the fuel from the oil tank and holds the fuel. The heated or cooled fuel enters the viscometer inlet, and the viscometer monitors the current concentration of the fuel in real time, and feeds the measured value back to the electronic control system; The fuel in the mixed oil tank is pressurized for the second time by the fuel supply booster pump, and the pressure control system adjusts and controls the outlet pressure of the fuel pump; the fuel flow rate and flow data are counted by the flow meter and fed back to the electronic control system; The output of the mixed oil drum is then filtered twice by the duplex filter before being fed into the diesel engine.

[0020] The present invention is installed between the daily oil tank, the diesel tank and the diesel engine, and is used to supply fuel to the diesel engine. It can realize the manual light and heavy oil conversion, automatic viscosity control, fuel filtration and automatic cleaning, etc. At the same time, it can make timely responses to abnormal temperature, pressure and viscosity in the pipeline, and make alarms or pipeline switching, etc. PLC is used to collect various data, and to make judgments and analyses, with a high degree of automation.

[0021] Finally, it should be noted that: although the present invention and its advantages have been described in detail above, it should be understood that various changes, substitutions and transformations can be made without exceeding the spirit and scope of the present invention as defined by the appended claims. Moreover, the scope of the present invention is not limited to the specific embodiments of the processes, devices, means, methods and steps described in the specification. It will be easily understood by those of ordinary skill in the art from the disclosure of the present invention that existing and future processes, devices, means, methods or steps that perform substantially the same functions as the corresponding embodiments described herein or obtain substantially the same results as the corresponding embodiments described herein can be used according to the present invention. Therefore, the appended claims are intended to include such processes, devices, means, methods or steps within their scope.

Claims

1. A fuel supply unit device, characterized in that: It includes an electric heater (1), an automatic backwash filter (2), a plate cooler (3), a viscometer (4), a supply pump (5), an expansion tank (6), an oil mixing barrel (7), a flow meter (8), a booster pump (9), a duplex filter (10), an electric control system (11), a bypass (12), a steam heater (13) and a pressure control system (14); An electric heater (1) is installed on the pipeline at the fuel input end to heat the fuel by converting electrical energy into thermal energy; The electric heater (1) is connected to the oil mixing barrel (7), and an automatic backwash filter (2) and a plate cooler (3) are sequentially arranged on the oil supply pipeline connecting the electric heater (1) and the oil mixing barrel (7); the automatic backwash filter (2) is used to remove impurities from the fuel entering the oil supply pipeline; the plate cooler (3) is used to cool the fuel; The steam heater (13) is also connected to the oil mixing barrel (7) and is arranged before the automatic backwash filter (2); The plate cooler (3) is connected to the supply pump (5); a viscometer (4) is provided between the plate cooler (3) and the supply pump (5) for monitoring the viscosity of the fuel; The supply pump (5) is connected to the oil mixing barrel (7); the oil mixing barrel (7) is also connected to the double filter (10) via a booster pump (9); a flow meter (8) is provided on the oil supply pipeline between the booster pump (9) and the oil mixing barrel (7) for monitoring the flow of fuel; A bypass (12) is provided after the supply pump (5); The electric control system (11) is connected to the automatic backwash filter (2), the plate cooler (3), the viscometer (4), the supply pump (5), the oil mixing barrel (7), the flow meter (8) and the booster pump (9) via signal lines; The pressure control system (14) is used to control the pressure of the fuel supply unit.

2. A fuel supply unit device according to claim 1, characterized in that: An expansion tank (6) is also provided on the pipeline between the automatic backwash filter (2) and the oil mixing barrel (7).

3. A fuel supply unit device according to claim 1, characterized in that: A steering valve is provided at the input end of the electric heater (1).

4. The fuel supply method of the fuel supply unit device according to claim 1, characterized in that: (1) The supply pump pumps the fuel from the fuel tank and heats the fuel as required through an electric heater or a steam heater; (2) After being treated by the electric heater, the fuel enters the automatic backwash filter for filtration. The plate cooler cools the fuel as needed, and then the fuel is input into the mixing tank through the supply pump; The mixing tank receives fuel from the fuel tank and contains the fuel; (3) The heated or cooled fuel enters the viscometer inlet, and the viscometer monitors the current concentration of the fuel in real time, and feeds the measured value back to the electronic control system; (4) The fuel in the mixing tank is pressurized for the second time by the fuel supply booster pump, and the pressure control system adjusts and controls the outlet pressure of the fuel pump; the fuel flow rate and flow data are counted by the flow meter and fed back to the electronic control system; (5) The oil output from the mixed oil drum is filtered through a double filter and then fed into the diesel engine.

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