CN210769093U - Fuel oil constant temperature oil tank of diesel engine water pump - Google Patents
Fuel oil constant temperature oil tank of diesel engine water pump Download PDFInfo
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- CN210769093U CN210769093U CN201921716865.2U CN201921716865U CN210769093U CN 210769093 U CN210769093 U CN 210769093U CN 201921716865 U CN201921716865 U CN 201921716865U CN 210769093 U CN210769093 U CN 210769093U
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Abstract
A diesel engine water pump fuel oil constant temperature oil tank comprises an oil tank body, a heating device and an oil return cooler, wherein the heating device is used for preheating diesel oil in the oil tank body; the heating device comprises a temperature sensor and a fuel oil heater, wherein the temperature sensor is used for detecting the temperature of diesel oil in the oil tank body in real time; the oil return cooler is arranged on the oil return pipeline, so that the cold start characteristic of the diesel engine can be met, and the diesel engine can work in a high-temperature environment and a heavy-load state for a long time.
Description
Technical Field
The utility model belongs to the technical field of and a diesel engine oil tank technique and specifically relates to a diesel engine water pump fuel constant temperature oil tank is related to.
Background
With the rapid development of the industry, the use ratio of the diesel engine is higher and higher, for example, a blast furnace of a steel plant needs an emergency water pumping and cooling of a diesel engine pump; high buildings with large flow of people need a diesel engine water pump for fire protection preparation and the like, the cold start characteristics of the diesel engine are very high in the places, and the consequences can be serious if the diesel engine can not be started at one time. As is known, in northern areas with cold air temperature, diesel oil usually generates a condensation phenomenon below 0 ℃, at the moment, the diesel oil has poor fluidity, and the oil supply pressure of an oil supply pipeline is increased, so that the diesel engine cannot be started at one time or completely, the cold starting performance of the diesel engine is seriously influenced, and the caused consequences can not be estimated. If the engine is started by force, the damage to the engine is serious, the high-viscosity diesel oil cannot be completely combusted in the cylinder, a large amount of black smoke is formed after the diesel oil is discharged, and the environmental pollution is serious. Under the condition, the diesel oil with higher grade can meet the cold start characteristic, but some special occasions, such as fire-fighting and emergency water pumps, are mainly standby, have large fuel oil storage capacity and small use amount, and are obviously impractical to replace along with seasons. Meanwhile, as a part of diesel oil can return to the oil tank through the oil return pipe when the diesel engine works, and the diesel oil can be pressurized after entering the engine, the temperature of the diesel oil can rise, particularly, the high temperature of the oil pressure of the electric control high-pressure common rail diesel engine which is popularized at present also rises a lot, and the temperature of the diesel engine is very high when the diesel engine works, so that the oil return temperature of the diesel oil is further increased. The temperature of the oil tank can be increased after hot diesel oil returns to the oil tank, the oil tank of the diesel engine is mostly used for natural heat dissipation, the heat dissipation is limited, the temperature of the oil tank can be further increased along with the extension of the working time of the diesel engine, the diesel engine cannot work well, and the flash point of the diesel oil is reduced, so that potential safety hazards are caused.
Disclosure of Invention
The utility model discloses an it is not enough that invention aim at overcoming prior art, and provide one kind can be under cold environmental condition, can satisfy the cold start characteristic of diesel engine, can make the diesel engine fuel oil constant temperature oil tank of long-time work under high temperature environment, heavy load state of diesel engine again, simple structure, reliable operation, safe in utilization, the maintenance of being convenient for.
A diesel engine water pump fuel constant temperature oil tank includes:
the oil tank comprises an oil tank body, wherein an oil filling port is formed in the upper end of the oil tank body, a diesel oil outlet and a diesel oil return port are formed in the lower end of the oil tank body respectively, the diesel oil outlet is connected to a main oil pipeline of the diesel engine through an oil outlet pipeline, and the diesel oil return port is connected with an oil hole in the lower end of an oil bottom shell of the diesel engine through an oil return pipeline;
the heating device is used for preheating diesel oil in the oil tank body and comprises a temperature sensor and a fuel oil heater, wherein the temperature sensor is used for detecting the temperature of the diesel oil in the oil tank body in real time;
the oil return cooler, the oil return cooler sets up on oil return pipeline, the oil return cooler includes the cooler body, the cooler body is hollow tubular structure, the cooler body is upper and lower both ends are fixed with an upper end cover respectively, the bottom end cover, the upper end cover, there is the delivery port respectively on the bottom end cover, the water inlet leads to pipe one to be connected with water pump delivery port trunk line, the delivery port leads to pipe two to be connected with water pump water inlet trunk line, still be equipped with a valve on the pipeline two, this internal oil pipe that is helical structure that is equipped with of cooler, oil pipe's oil inlet, the oil-out is located on the cooler body lateral.
The oil pipe comprises an oil pipe section which is spirally coiled and a Z-shaped oil pipe section which is connected with the oil pipe section, the oil pipe section is coaxially arranged with the cooler body, and the oil pipe section comprises a vertical section which is arranged on a central shaft of the cooler body and two horizontal sections which are vertical to the vertical section and are respectively crossed with the two end parts.
And the oil inlet and the oil outlet of the oil pipe are positioned on the same horizontal line.
The fuel heater is arranged close to the fuel outlet.
The temperature sensor is a digital display temperature sensor capable of displaying fact that the detected temperature is.
The oil tank body bottom is equipped with three supporting seat, and three supporting seat is 120 ring cloth in oil tank body bottom.
The fuel oil heater is characterized by further comprising a temperature controller used for receiving a detection signal of the temperature sensor so as to control the on-off of the fuel oil heater and the valve according to the received temperature signal, the temperature sensor is connected to the input end of the temperature controller through a sensor connecting wire, the output end of the temperature controller is connected with a relay and the valve, and the output end of the relay is connected with the fuel oil heater through a heater connecting wire.
The valve is an electromagnetic valve.
The utility model discloses beneficial effect: compared with the prior art, the utility model has the advantages of simple structure, reliable work, safe use, convenient maintenance and no need of electricity; the device has good stability, does not need artificial guard, effectively saves manpower and financial resources, and is safe and simple to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the return oil cooler of the present invention;
FIG. 3 is a block diagram of the electrical control principle of the present invention;
in the figure: 1. an oil filler; 2. an oil tank body; 3. a temperature controller; 4. the sensor is connected with a lead; 5 a temperature sensor; 6. the heater is connected with a lead; 7. a fuel oil heater; 8. an oil outlet pipeline of the oil tank; 9. an oil return pipe of the oil tank; 10. an oil return cooler; 11. a valve; 12. an engine oil return pipe; 13. a cooling water pipe; 101. a cooler body; 102. a lower end cover; 103. a water inlet; 104. a water outlet; 105. an oil outlet; 106. an oil inlet; 107. and (4) an oil pipe.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments provided in the accompanying drawings.
In fig. 1, the utility model comprises an oil tank body 2, a heating device for preheating diesel oil in the oil tank body 2, and an oil return cooler 10; the upper end of the oil tank body 2 is provided with an oil filling port, the lower end of the oil tank body 2 is respectively provided with a diesel oil outlet and a diesel oil return port, the diesel oil outlet is connected to an oil inlet pipe of a diesel engine through an oil outlet pipeline 8, the diesel oil return port is connected with an oil return pipe of the diesel engine through an oil return pipeline 9, and the bottom of the oil tank body 2 is provided with three 120-degree annular supporting seats; the heating device comprises a fuel oil heater 7 and a temperature sensor 5, wherein the fuel oil heater 7 is made of stainless steel, and quartz material and resistance wires are filled in the fuel oil heater 7, the whole fuel oil heater 7 is fixed on the lower side surface of the fuel oil tank through screws, a heating pipe part of the fuel oil heater 7 is soaked in fuel oil, a wiring end of the fuel oil heater 7 is exposed outside the fuel oil tank, the temperature sensor 5 is arranged in the middle of the side surface of the fuel oil tank, a wire head matched with the temperature sensor is welded on an opening of the fuel oil tank body 2, and then a detection probe of the temperature sensor; the diesel engine oil return pipeline 9 is connected with an oil return cooler 10, the oil return cooler 10 comprises a cooler body 101, the upper end and the lower end of the cooler body 101 are respectively fixedly connected with an upper end cover and a lower end cover 102, the upper end cover and the lower end cover 102 are respectively provided with a water outlet 104 and a water inlet 103, one end of the water inlet 103 is connected with an inlet of a water pump through a water pipe I, one end of the water outlet 104 is connected with an outlet of the water pump through a water pipe II, the second pipeline is also provided with a valve 11, an oil pipe 107 in a spiral structure is arranged in the cooler body 101, and an oil inlet 106 and an oil outlet 105 of the oil;
further, the fuel heater 7 is arranged close to the fuel outlet; the temperature sensor 5 is a digital display temperature sensor which can display the fact that the detected temperature is displayed, and the fuel heater 7 and the valve 11 can be switched on and off manually through the temperature sensor 5.
In fig. 2, the oil-return cooler 10 includes a cooler body 101, an oil pipe 107 having a spiral structure is provided in the cooler body 101, an oil inlet of the oil pipe 107, an oil outlet is provided on an outer side wall of the cooler body 101, the oil pipe 107 includes one section of oil pipe having a spiral shape, one section of L-shaped oil pipe connected to the oil pipe, the one section of oil pipe is coaxial with the cooler body 101, the two sections of oil pipe include a vertical section provided on a central axis of the cooler body 101, a horizontal section vertical to and intersecting with the vertical section, and the oil inlet 106 and the oil outlet 105 of the oil pipe 107 are located on the same horizontal line.
In fig. 3, the fuel oil heating system further comprises a temperature controller 3, wherein the input end of the temperature controller 3 is connected with a temperature sensor 5 through a sensor connecting lead 4, the output end of the temperature controller 3 is connected with a relay and a valve 11, the output end of the relay is connected to a power supply loop of a fuel oil heater 7 through a heater connecting lead 6, the temperature controller 3 is connected with the valve 11 through a lead, and the valve 11 is an electromagnetic valve; the working principle is that the temperature controller 3 senses the temperature of the fuel oil tank by adopting the temperature sensor 5, the temperature controller 3 controls a relay connected to a power supply loop of the fuel oil heater 7 to be opened through calculation and comparison when the temperature is lower than a heating starting set value, so that the fuel oil heater 7 is powered on to start heating, and the heating is stopped when the temperature reaches a heating stopping set value. When the engine works, the temperature of fuel oil rises due to the oil return temperature, when the temperature is higher than a set value for starting cooling, the temperature controller 3 is connected with the electromagnetic valve, cooling water flows through the oil return cooler to cool the return oil, and when the temperature is lower than the set temperature for stopping cooling, the electromagnetic valve is closed to stop cooling of the return oil; the temperature sensor is arranged in the middle of the side surface of the fuel tank, so that the measurement accuracy is ensured; temperature controller 3 model XMTA-2201.
The working principle is as follows: when the temperature detected by the temperature sensor 5 is lower than a set heating starting value in cold winter, the fuel oil heater 7 is controlled to heat through the temperature controller 3, so that the fuel oil is heated by the fuel oil heater 7, and when an emergency event occurs or fire fighting is needed, the diesel engine cannot be normally started due to the fault of a fuel oil supply system; when the temperature sensor 5 detects that the temperature reaches a heating stop set value, the fuel oil heater 7 stops heating; when the engine works, the temperature of fuel oil rises due to the oil return temperature, when the temperature is higher than a set value for starting cooling, the temperature controller 3 is connected with the valve 11, cooling water flows through the oil return cooler 10 to cool return oil, when the temperature is lower than the set temperature for stopping cooling, the valve 11 is closed, and oil return cooling is stopped, so that potential safety hazards caused by the fact that the temperature of an oil tank rises due to the fact that the oil return temperature is high, the diesel engine cannot work effectively, and the flash point of diesel oil drops can be effectively avoided.
Claims (8)
1. The utility model provides a diesel engine water pump fuel constant temperature oil tank which characterized in that: the method comprises the following steps:
the diesel engine oil tank comprises an oil tank body (2), wherein an oil filling port is formed in the upper end of the oil tank body (2), a diesel oil outlet and a diesel oil return port are formed in the lower end of the oil tank body (2) respectively, the diesel oil outlet is connected to a main oil pipeline of a diesel engine through an oil outlet pipeline (8), and the diesel oil return port is connected with a diesel engine oil return pipe through an oil return pipeline (9);
the heating device is used for preheating diesel oil in the oil tank body (2), and comprises a temperature sensor (5) for detecting the temperature of the diesel oil in the oil tank body (2) in real time and a temperature controller (3) and a fuel oil heater (7), wherein the fuel oil heater (7) is horizontally arranged at the lower end part of the oil tank body (2), and the temperature sensor (5) is arranged at the middle position of the oil tank body (2);
oil return cooler (10), oil return cooler (10) set up on oil return pipeline (9), oil return cooler (10) are including cooler body (101), cooler body (101) are hollow tubular structure, cooler body (101) are upper and lower both ends fixed connection respectively has an upper end cover, lower end cover (102), the upper end cover, there are delivery port (104) on lower end cover (102) respectively, water inlet (103) lead to pipe one to be connected with water pump delivery port trunk line, delivery port (104) lead to pipe two water pump water inlets connect, still be equipped with a valve (11) on the pipeline two, be equipped with oil pipe (107) that are helical structure in cooler body (101), the oil inlet of oil pipe (107), the oil-out is located on cooler body (101) lateral wall.
2. The diesel engine water pump fuel oil constant temperature oil tank of claim 1, characterized in that: the oil pipe (107) comprises an oil pipe section which is spirally coiled and a Z-shaped oil pipe section which is connected with the oil pipe section, the oil pipe section is coaxially arranged with the cooler body (101), and the oil pipe section comprises a vertical section which is arranged on a central shaft of the cooler body (101) and two horizontal sections which are vertical to the vertical section and are respectively crossed with the two end parts.
3. The diesel engine water pump fuel oil constant temperature oil tank of claim 1, characterized in that: and an oil inlet and an oil outlet of the oil pipe (107) are positioned on the same horizontal line.
4. The diesel engine water pump fuel oil constant temperature oil tank of claim 1, characterized in that: the fuel heater (7) is arranged close to the fuel outlet.
5. The diesel engine water pump fuel oil constant temperature oil tank of claim 1, characterized in that: the temperature sensor (5) is a digital display temperature sensor capable of displaying the fact that the detected temperature is.
6. The diesel engine water pump fuel oil constant temperature oil tank of claim 1, characterized in that: the oil tank is characterized in that three supporting seats are arranged at the bottom of the oil tank body (2), and the three supporting seats are distributed at the bottom of the oil tank body (2) in an annular mode of 120 degrees.
7. The diesel engine water pump fuel oil constant temperature oil tank of claim 1, characterized in that: still including being used for receiving temperature sensor (5) detected signal to temperature controller (3) according to received temperature signal control fuel oil heater (7), valve (11) break-make, temperature sensor (5) are connected to temperature controller (3) input through sensor connecting wire (4), and temperature controller (3) output even has relay, valve (11), and the relay output passes through heater connecting wire (6) and is connected with fuel oil heater (7).
8. The diesel engine water pump fuel oil constant temperature oil tank of claim 7, characterized in that: the valve (11) is an electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921716865.2U CN210769093U (en) | 2020-04-27 | 2020-04-27 | Fuel oil constant temperature oil tank of diesel engine water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921716865.2U CN210769093U (en) | 2020-04-27 | 2020-04-27 | Fuel oil constant temperature oil tank of diesel engine water pump |
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| CN210769093U true CN210769093U (en) | 2020-06-16 |
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| CN201921716865.2U Active CN210769093U (en) | 2020-04-27 | 2020-04-27 | Fuel oil constant temperature oil tank of diesel engine water pump |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112278298A (en) * | 2020-10-20 | 2021-01-29 | 北京机电工程研究所 | Bionic aircraft oil tank |
| CN113109035A (en) * | 2021-04-02 | 2021-07-13 | 宁波燕清汽车技术有限公司 | Electromagnetic valve type damping regulating valve comprehensive performance test bench and test method |
| CN115506927A (en) * | 2022-10-18 | 2022-12-23 | 中广核工程有限公司 | Return oil cooling system |
-
2020
- 2020-04-27 CN CN201921716865.2U patent/CN210769093U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112278298A (en) * | 2020-10-20 | 2021-01-29 | 北京机电工程研究所 | Bionic aircraft oil tank |
| CN112278298B (en) * | 2020-10-20 | 2022-07-08 | 北京机电工程研究所 | Bionic aircraft fuel tank |
| CN113109035A (en) * | 2021-04-02 | 2021-07-13 | 宁波燕清汽车技术有限公司 | Electromagnetic valve type damping regulating valve comprehensive performance test bench and test method |
| CN115506927A (en) * | 2022-10-18 | 2022-12-23 | 中广核工程有限公司 | Return oil cooling system |
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