Boiler tail gas utilization device of airplane deicing vehicle

Abstract

The utility model relates to the technical field of airplane deicing vehicles, in particular to an airplane deicing vehicle boiler tail gas utilization device which comprises a boiler and a deicing liquid tank, the boiler is provided with a boiler tail gas utilization mechanism, the boiler tail gas utilization mechanism comprises a heat exchange connecting pipeline and a heat exchanger, and the boiler is provided with the heat exchange connecting pipeline. The heat exchanger is connected with the boiler through a heat exchange connecting pipeline, the air outlet end of the heat exchanger communicates with the atmosphere, the boiler is provided with a heat exchange connecting on-off mechanism, the heat exchange connecting on-off mechanism comprises a three-way connecting pipe, an adjusting plate and an electric push rod, the first end of the three-way connecting pipe is connected with the boiler, and the second end of the three-way connecting pipe communicates with the atmosphere; the third end of the three-way connecting pipe is connected with the heat exchanger, the adjusting plate is driven by the electric push rod, the first end and the second end of the three-way connecting pipe are communicated, or the first end and the third end of the three-way connecting pipe are communicated, high-temperature tail gas generated by the boiler can be used for deicing liquid heat exchange, the energy utilization rate is increased, and particulate matter can be settled when the tail gas of the boiler is cooled.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft deicing vehicles, in particular to a boiler tail gas utilization device for aircraft deicing vehicles. Background Art

[0002] Aircraft de-icing vehicles are necessary equipment to ensure the normal operation of aircraft in winter. The working principle of aircraft de-icing vehicles is to use a fuel boiler to spray heated de-icing fluid onto the surface of the aircraft, and use the heat of the de-icing fluid to melt the ice on the surface of the aircraft, thereby improving the impact of icing on the aircraft surface on the aerodynamic performance of the aircraft and ensuring the safe operation of the aircraft. The heating power of the aircraft de-icing vehicle's fuel boiler is an important indicator of the de-icing vehicle. The heating speed of the de-icing fluid determines the de-icing efficiency of the aircraft de-icing vehicle. The existing aircraft de-icing vehicle boiler uses fuel to heat the de-icing vehicle. The flue gas after combustion of the fuel is directly discharged into the atmosphere. The exhaust temperature is usually around 200-300 degrees. A large amount of heat is wasted and the energy utilization rate is not high. At the same time, the exhaust gas generated by the boiler heating system is not treated in any way and is directly discharged into the atmosphere, causing great pollution and is not conducive to environmental protection. Summary of the Invention

[0003] The purpose of the utility model is to solve the deficiencies of the existing technology and to provide an aircraft de-icing vehicle boiler exhaust gas utilization device with an ingenious structure, in which the high-temperature exhaust gas generated by the boiler can be used for heat exchange with de-icing fluid, thereby improving energy utilization efficiency, cooling the boiler exhaust gas to precipitate particulate matter, and reducing exhaust gas pollution.

[0004] In order to achieve the above purpose, the technical solution adopted by the present utility model is:

[0005] A device for utilizing boiler exhaust gas of an aircraft de-icing vehicle comprises a boiler and a de-icing liquid tank, and is characterized in that: a boiler exhaust gas utilization mechanism is provided on the boiler, and the boiler exhaust gas utilization mechanism comprises a heat exchange connecting pipeline and a heat exchanger, an exhaust end of the boiler is provided with a heat exchange connecting pipeline, and a heat exchanger is provided in the de-icing liquid tank, and the heat exchanger is fixedly connected to the inner wall of the de-icing liquid tank, an air inlet end of the heat exchanger is fixedly connected to the exhaust end of the boiler via the heat exchange connecting pipeline, and an air outlet end of the heat exchanger passes through the de-icing liquid tank and is connected to the atmosphere, so that the high-temperature exhaust gas generated by the boiler fuel enters the heat exchanger through the heat exchange connecting pipeline, exchanges heat with the de-icing liquid in the de-icing refrigerator where the heat exchanger is located, thereby increasing the temperature of the de-icing liquid, and at the same time reducing the temperature of the exhaust gas after heat exchange, and causing toxic particulate matter in the exhaust gas to settle down, thereby reducing pollution to the environment.

[0006] The utility model provides a heat exchange connection and disconnection mechanism on the boiler, which includes a three-way connecting pipe, an adjustment plate, and an electric push rod.

[0007] The exhaust end of the boiler is provided with a three-way connecting pipe, the first end of the three-way connecting pipe is fixedly connected to the exhaust end of the boiler, the second end of the three-way connecting pipe is connected to the atmosphere, and the third end of the three-way connecting pipe is connected to the air inlet end of the heat exchanger via the heat exchange connecting pipe. An adjusting plate is provided between the second and third ends of the three-way connecting pipe, and the adjusting plate is hinged to the three-way connecting pipe. The adjusting plate is placed between the second and third ends of the three-way connecting pipe. The adjusting plate is driven by an electric push rod to connect the first end of the three-way connecting pipe with the second end, or to connect the first end of the three-way connecting pipe with the third end, so that when the boiler exhaust gas needs to be used to heat the deicing liquid, the electric push rod is driven to close the second end of the three-way connecting pipe, so that the first end of the three-way connecting pipe is connected to the third end, and the boiler exhaust gas enters the heat exchanger through the three-way connecting pipe and the heat exchange connecting pipe.

[0008] The deicing liquid tank of the present invention is provided with a deicing liquid temperature sensor, which is fixedly connected to the deicing liquid tank, so as to monitor the temperature in the deicing liquid tank at all times through the deicing liquid temperature sensor to prevent the deicing liquid temperature in the deicing liquid tank from exceeding a predetermined temperature.

[0009] The deicing liquid tank of the utility model is provided with a deicing liquid outlet pipeline, one end of the deicing liquid outlet pipeline is fixedly connected to the deicing liquid tank discharge port, and the other end is connected to the liquid inlet end of the boiler, a deicing pump is installed on the deicing liquid outlet pipeline, and the liquid outlet end of the boiler is provided with a boiler outlet pipeline, one end of the boiler outlet pipeline is fixedly connected to the liquid outlet end of the boiler, and the other end is a deicing liquid spraying end, so that the deicing liquid is driven into the boiler through the deicing pump, and the deicing liquid is heated by the boiler.

[0010] A boiler inlet temperature sensor is installed on the deicing liquid outlet pipeline of the utility model, and a boiler outlet temperature sensor is installed on the boiler outlet pipeline to monitor the temperature of the deicing liquid entering the boiler through the boiler inlet temperature and monitor the temperature of the deicing liquid flowing out of the boiler through the boiler outlet temperature sensor.

[0011] The boiler or the deicing liquid tank of the utility model is provided with a control system, and the electric push rod, the deicing liquid temperature sensor, the deicing pump, the boiler inlet temperature sensor, and the boiler outlet temperature sensor are all controlled by the control system, so as to realize automatic utilization of boiler exhaust gas and automatic heating of deicing liquid through the control system.

[0012] Due to the above structure, the utility model has the advantages of clever structure, high temperature exhaust gas generated by the boiler can be used for heat exchange of deicing fluid, improving energy utilization rate, cooling the boiler exhaust gas to settle particulate matter, and reducing exhaust gas pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the present utility model.

[0014] Figure numerals: boiler 1, deicing liquid tank 2, boiler exhaust gas utilization mechanism 3, heat exchange connecting pipeline 4, heat exchanger 5, heat exchange connection on-off mechanism 6, three-way connecting pipe 7, adjustment plate 8, electric push rod 9, deicing liquid temperature sensor 10, deicing liquid outlet pipeline 11, deicing pump 12, boiler outlet pipeline 13, boiler inlet temperature sensor 14, boiler outlet temperature sensor 15, control system 16. DETAILED DESCRIPTION

[0015] The specific implementation of the present invention is further described in detail below with reference to the accompanying drawings.

[0016] A device for utilizing boiler exhaust gas of an aircraft de-icing vehicle comprises a boiler 1 and a de-icing liquid tank 2, and is characterized in that: a boiler exhaust gas utilization mechanism 3 is provided on the boiler 1, and the boiler exhaust gas utilization mechanism 3 comprises a heat exchange connecting pipe 4 and a heat exchanger 5, the exhaust end of the boiler 1 is provided with a heat exchange connecting pipe 4, and the de-icing liquid tank 2 is provided with a heat exchanger 5, the heat exchanger 5 is fixedly connected to the inner wall of the de-icing liquid tank 2, the air inlet end of the heat exchanger 5 is fixedly connected to the exhaust end of the boiler 1 through the heat exchange connecting pipe 4, and the air outlet end of the heat exchanger 5 passes through the de-icing liquid tank 2 and is connected to the atmosphere, so that the high-temperature exhaust gas generated by the boiler fuel enters the heat exchanger through the heat exchange connecting pipe, exchanges heat with the de-icing liquid in the de-icing refrigerator where the heat exchanger is located, thereby increasing the temperature of the de-icing liquid, and at the same time reducing the exhaust gas temperature after heat exchange, and toxic particulate matter in the exhaust gas settles down, reducing pollution to the environment.

[0017] The utility model provides a heat exchange connection and disconnection mechanism 6 on the boiler 1, which includes a three-way connecting pipe 7, an adjustment plate 8, and an electric push rod 9.

[0018] The exhaust end of the boiler 1 is provided with a three-way connecting pipe 7, the first end of the three-way connecting pipe 7 is fixedly connected to the exhaust end of the boiler 1, the second end of the three-way connecting pipe 7 is connected to the atmosphere, and the third end of the three-way connecting pipe 7 is connected to the air inlet end of the heat exchanger 5 via the heat exchange connecting pipe 4. An adjusting plate 8 is provided between the second and third ends of the three-way connecting pipe 7, and the adjusting plate 8 is hinged to the three-way connecting pipe 7. The adjusting plate 8 is placed between the second and third ends of the three-way connecting pipe 7. The adjusting plate 8 is driven by an electric push rod 9 to connect the first end of the three-way connecting pipe 7 with the second end, or to connect the first end of the three-way connecting pipe 7 with the third end, so that when the boiler exhaust gas needs to be used to heat the deicing liquid, the electric push rod is driven to close the second end of the three-way connecting pipe, so that the first end of the three-way connecting pipe is connected to the third end, and the boiler exhaust gas enters the heat exchanger through the three-way connecting pipe and the heat exchange connecting pipe.

[0019] The deicing liquid tank 2 of the present invention is provided with a deicing liquid temperature sensor 10, which is fixedly connected to the deicing liquid tank 2 so as to monitor the temperature in the deicing liquid tank at all times through the deicing liquid temperature sensor to prevent the deicing liquid temperature in the deicing liquid tank from exceeding a predetermined temperature.

[0020] The deicing liquid tank 2 of the present invention is provided with a deicing liquid outlet pipe 11, one end of the deicing liquid outlet pipe 11 is fixedly connected to the discharge port of the deicing liquid tank 2, and the other end is connected to the liquid inlet end of the boiler 1. A deicing pump 12 is installed on the deicing liquid outlet pipe 11, and a boiler outlet pipe 13 is provided at the liquid outlet end of the boiler 1. One end of the boiler outlet pipe 13 is fixedly connected to the liquid outlet end of the boiler 1, and the other end is a deicing liquid spraying end, so that the deicing liquid is driven into the boiler through the deicing pump and the deicing liquid is heated by the boiler.

[0021] The deicing liquid outlet pipe 11 of the present invention is equipped with a boiler inlet temperature sensor 14, and the boiler outlet pipe 13 is equipped with a boiler outlet temperature sensor 15, so as to monitor the temperature of the deicing liquid entering the boiler through the boiler inlet temperature sensor, and monitor the temperature of the deicing liquid flowing out of the boiler through the boiler outlet temperature sensor.

[0022] The boiler 1 or the deicing liquid tank 2 of the present invention is provided with a control system 16, and the electric push rod 9, the deicing liquid temperature sensor 10, the deicing pump 12, the boiler inlet temperature sensor 14, and the boiler outlet temperature sensor 15 are all controlled by the control system 16, so as to realize automatic utilization of boiler exhaust gas and automatic heating of deicing liquid through the control system.

[0023] As attached Figure 1 The control system 16 of the present invention can be installed in a control box. The control box can be fixed to the boiler 1 or the deicing liquid tank 2, or it can be not fixed. It is handheld and convenient for operators to operate. The boiler heating system, electric push rod 9, deicing liquid temperature sensor 10, deicing pump 12, boiler inlet temperature sensor 14, and boiler outlet temperature sensor 15 can all be electrically connected to the control system and controlled by the control system. A display screen can be set on the control box, and the display screen is connected to the control system for easy viewing by operators.

[0024] When in use, the boiler heating system is started, and the control system 16 controls the deicing pump 12 to transport the deicing liquid from the deicing liquid tank 2 to the boiler 1 through the deicing liquid outlet pipe 11. The heated deicing liquid is transported to the deicing liquid spraying end through the boiler outlet pipe 13. The deicing liquid spraying end of the boiler outlet pipe 13 can be equipped with a spray gun to perform deicing operations.

[0025] When the deicing liquid temperature sensor 10 detects that the temperature in the deicing liquid tank 2 is lower than the predetermined temperature set by the control system 16, the control system 16 controls the electric push rod 9 to move, and the electric push rod 9 pushes the regulating plate 8 to close the second end of the three-way connecting pipe 7 and open the third end of the three-way connecting pipe 7, so that the exhaust gas generated after the combustion of the fuel in the boiler 1 enters the heat exchanger 5 through the heat exchange connecting pipe 4, exchanges heat with the deicing liquid in the deicing liquid tank 2 and is cooled. The exhaust gas after heat exchange is discharged to the atmosphere through the outlet end of the heat exchanger 5. At this time, the temperature of the exhaust gas after heat exchange is greatly reduced, which causes the suspended particulate matter in the original high-temperature exhaust gas to settle due to the temperature drop, so that the particulate matter content in the low-temperature exhaust gas discharged to the atmosphere is greatly reduced, thereby reducing environmental pollution and effectively protecting the environment.

[0026] When the deicing liquid temperature sensor 10 detects that the temperature in the deicing liquid tank 2 is higher than the predetermined temperature set by the control system 16, the control system 16 controls the electric push rod 9 to move, and the electric push rod 9 pushes the adjustment plate 8 to close the third end of the three-way connecting pipe 7 and open the second end of the three-way connecting pipe 7, so that the exhaust gas generated by the combustion of fuel in the boiler 1 is directly discharged to the atmosphere through the second end of the three-way connecting pipe 7, thereby preventing the deicing liquid in the deicing liquid tank 2 from being too hot.

[0027] The utility model has an ingenious structure and can utilize the high temperature of the boiler exhaust gas to heat the deicing liquid, thereby reducing energy waste and improving energy utilization rate. At the same time, after the boiler exhaust gas exchanges heat with the deicing liquid through the heat exchanger, the temperature of the boiler exhaust gas is reduced, which can settle particulate matter in the exhaust gas to a certain extent and reduce pollution. In addition, in addition to being heated by the fuel oil of the boiler, the deicing liquid is also heated by the boiler exhaust gas at the same time, which further improves the heating speed of the deicing liquid. The faster the deicing liquid is heated, the higher the efficiency of supplying the deicing liquid is, which indirectly improves the deicing efficiency.

[0028] In addition, the utility model is also provided with a heat exchange connection on-off mechanism, the adjustment plate 8 is hinged to the three-way connecting pipe 7, one end of the adjustment plate 8 passes through the three-way connecting pipe 7 and is hinged to the push rod of the electric push rod 9, and the electric push rod 9 drives the push rod to extend and retract to drive the adjustment plate 8 to swing, and the part of the adjustment plate 8 placed inside the three-way connecting pipe 7 cooperates with the second port or the third port of the three-way connecting pipe, closing the second end of the three-way connecting pipe 7 or closing the third end of the three-way connecting pipe 7, and whether to use the boiler exhaust gas can be selected according to the temperature of the deicing liquid in the deicing liquid tank.

[0029] Due to the above structure, the utility model has the advantages of clever structure, high temperature exhaust gas generated by the boiler can be used for heat exchange of deicing fluid, improving energy utilization rate, cooling the boiler exhaust gas to settle particulate matter, and reducing exhaust gas pollution.

Claims

1. An aircraft de-icing vehicle boiler exhaust gas utilization device, comprising a boiler (1) and a de-icing liquid tank (2), characterized in that: The boiler (1) is provided with a boiler tail gas utilization mechanism (3), and the boiler tail gas utilization mechanism (3) includes a heat exchange connecting pipe (4) and a heat exchanger (5). The exhaust end of the boiler (1) is provided with a heat exchange connecting pipe (4), and the deicing liquid tank (2) is provided with a heat exchanger (5). The heat exchanger (5) is fixedly connected to the inner wall of the deicing liquid tank (2), and the air inlet end of the heat exchanger (5) is fixedly connected to the exhaust end of the boiler (1) through the heat exchange connecting pipe (4), and the air outlet end of the heat exchanger (5) passes through the deicing liquid tank (2) and is connected to the atmosphere.

2. The aircraft de-icing vehicle boiler exhaust gas utilization device according to claim 1, characterized in that: The boiler (1) is provided with a heat exchange connection on-off mechanism (6), which includes a three-way connecting pipe (7), an adjusting plate (8), and an electric push rod (9). The exhaust end of the boiler (1) is provided with a three-way connecting pipe (7), the first end of the three-way connecting pipe (7) is fixedly connected to the exhaust end of the boiler (1), the second end of the three-way connecting pipe (7) is connected to the atmosphere, and the third end of the three-way connecting pipe (7) is connected to the air inlet end of the heat exchanger (5) via the heat exchange connecting pipeline (4). An adjusting plate (8) is provided between the second end and the third end of the three-way connecting pipe (7), the adjusting plate (8) is hinged to the three-way connecting pipe (7), and the adjusting plate (8) is placed between the second end and the third end of the three-way connecting pipe (7). The adjusting plate (8) is driven by the electric push rod (9) to connect the first end of the three-way connecting pipe (7) with the second end, or to connect the first end of the three-way connecting pipe (7) with the third end.

3. The aircraft de-icing vehicle boiler exhaust gas utilization device according to claim 1 or 2, characterized in that: A deicing liquid temperature sensor (10) is provided on the deicing liquid tank (2), and the deicing liquid temperature sensor (10) is fixedly connected to the deicing liquid tank (2).

4. The aircraft de-icing vehicle boiler exhaust gas utilization device according to claim 1 or 2, characterized in that: The deicing liquid tank (2) is provided with a deicing liquid outlet pipeline (11), one end of the deicing liquid outlet pipeline (11) is fixedly connected to the liquid outlet of the deicing liquid tank (2), and the other end is connected to the liquid inlet end of the boiler (1). A deicing pump (12) is installed on the deicing liquid outlet pipeline (11), and a boiler outlet pipeline (13) is provided at the liquid outlet end of the boiler (1). One end of the boiler outlet pipeline (13) is fixedly connected to the liquid outlet end of the boiler (1), and the other end is a deicing liquid spraying end.

5. The aircraft de-icing vehicle boiler exhaust gas utilization device according to claim 4, characterized in that: A boiler inlet temperature sensor (14) is installed on the deicing liquid outlet pipeline (11), and a boiler outlet temperature sensor (15) is installed on the boiler outlet pipeline (13).

6. The aircraft de-icing vehicle boiler exhaust gas utilization device according to claim 1, characterized in that: The boiler (1) or the deicing liquid tank (2) is provided with a control system (16).

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