CN210358352U - Comprehensive automatic cleaning equipment for heat exchanger of aircraft air conditioning system - Google Patents

Comprehensive automatic cleaning equipment for heat exchanger of aircraft air conditioning system Download PDF

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Publication number
CN210358352U
CN210358352U CN201920485175.4U CN201920485175U CN210358352U CN 210358352 U CN210358352 U CN 210358352U CN 201920485175 U CN201920485175 U CN 201920485175U CN 210358352 U CN210358352 U CN 210358352U
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pipe
tank
heat exchanger
liquid
spray
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朱立威
罗国科
李文辉
张志伟
郑建华
吕育青
梁其浇
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Guangzhou Aircraft Maintenance Engineering Co Ltd
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Guangzhou Aircraft Maintenance Engineering Co Ltd
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Abstract

The utility model discloses an aircraft air conditioning system heat exchanger synthesizes self-cleaning equipment, it includes frame, handcart, wash the basket, hot dipping main tank, hot dipping auxiliary tank, ultrasonic wave main tank, the ultrasonic wave auxiliary tank, spray the main tank, spray the auxiliary tank, go out basket transport platform, pump washing tank and manipulator, through hot dipping main tank, ultrasonic wave main tank, spray main tank and pump washing tank and clear up heat exchanger in proper order, it is used for carrying out heat exchanger to the frame outside to go out basket transport platform, hot dipping auxiliary tank, ultrasonic wave auxiliary tank and the circulation and the filtration that spray the auxiliary tank and be used for wasing the liquid of usefulness. The utility model discloses can wash the heat exchanger of multiple model, can use manpower sparingly, it is efficient, can guarantee to wash the degree and satisfy the demands.

Description

Comprehensive automatic cleaning equipment for heat exchanger of aircraft air conditioning system
Technical Field
The utility model relates to an aircraft air conditioning system heat exchanger synthesizes self-cleaning equipment.
Background
Aircraft air conditioning system heat exchangers are important components of aircraft air conditioning systems and directly affect the ambient temperature of the aircraft passenger cabin and cockpit, which is a concern for passenger and pilot comfort. However, core and duct plugging of aircraft air conditioning system heat exchangers often occurs due to the poor quality of the air media flowing through the heat exchanger over the years.
According to the existing maintenance manual, the heat exchanger of the air conditioning system of the airplane can adopt different cleaning methods, and the current common practice in the industry is to adopt a cleaning machine with a single function, so that the cleaning machine not only needs to be cleaned repeatedly, but also wastes cleaning liquid and has poor cleaning effect, and the heat exchange performance of the heat exchanger is influenced. If the cleaning machines with various different functions are adopted, the problems of large occupied factory space, more manpower resource and the like can occur. Therefore, aiming at the characteristics of the heat exchanger of the air conditioning system of the airplane, the design of comprehensive automatic cleaning equipment which meets the requirements of a maintenance manual is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an aircraft air conditioning system heat exchanger synthesizes self-cleaning equipment is provided, and it can wash the heat exchanger of multiple model, and can use manpower sparingly, and is efficient, can guarantee that the degree of washing satisfies the demands.
Solve above-mentioned technical problem, the utility model discloses a technical scheme as follows:
an aircraft air conditioning system heat exchanger integrated automatic cleaning apparatus, comprising:
a parking space is arranged on one side of the rack;
the trolley can be pushed into a parking space;
a washing basket, wherein the heat exchanger to be washed is placed in the washing basket;
the hot soaking main tank is arranged on the frame, and a first electric heating pipe and a first throw-in type ultrasonic vibration plate are arranged in the hot soaking main tank;
the hot dipping auxiliary tank is arranged on the frame, is internally provided with a third electric heating pipe and is connected with the hot dipping main tank through a first circulating and filtering pipeline structure, so that the hot dipping auxiliary tank can be mutually circulated with the liquid in the hot dipping main tank and filters the liquid in the circulating process;
the ultrasonic main tank is arranged on the frame, and a second electric heating pipe and a second throw-in type ultrasonic vibration plate are arranged in the ultrasonic main tank;
the ultrasonic auxiliary tank is arranged on the rack, is internally provided with a fourth electric heating pipe and is connected with the ultrasonic main tank through a second circulating and filtering pipeline structure, so that the ultrasonic auxiliary tank can be mutually circulated with liquid in the ultrasonic main tank and filters the liquid in the circulating process;
the spraying main tank is arranged on the rack, and is internally provided with a movable spraying device and a movable liquid blowing device, the movable spraying device washes the outside of the heat exchanger in the spraying main tank back and forth, and the movable liquid blowing device blows air back to the outside of the washed heat exchanger;
the spraying auxiliary groove is arranged on the rack, is connected with the movable spraying device, provides liquid for spraying for the movable spraying device, and is also connected with the spraying main groove through a recovery pipeline structure, so that the liquid in the spraying main groove is conveyed back to the spraying auxiliary groove;
one end of the basket outlet conveying platform is close to the spraying main groove, and the other end of the basket outlet conveying platform extends to the outer side of the rack and is used for conveying the washing basket and the heat exchanger in the washing basket out of the rack;
the pump cleaning tank is arranged at a position close to the end part of the basket outlet conveying platform extending to the outer side of the rack, and is provided with an in-pipe flushing device and an in-pipe liquid blowing device beside the pump cleaning tank, the in-pipe flushing device flushes the pipe of the heat exchanger by flushing liquid into the pipe of the heat exchanger, and the in-pipe liquid blowing device is used for blowing air into the pipe of the heat exchanger;
and the manipulator is used for lifting the washing basket staying on the parking space and the heat exchanger in the washing basket from the trolley and then sequentially placing the washing basket in the hot soaking main tank, the ultrasonic main tank, the spraying main tank and the end part of the basket outlet conveying platform, which is close to the spraying main tank.
The first circulating and filtering pipeline structure comprises a first filtering pump, a first flow guide pipe and a first return pipe, the first flow guide pipe and the first return pipe are respectively communicated with the hot-dipping main tank and the hot-dipping auxiliary tank, the height of the hot-dipping auxiliary tank is lower than that of the hot-dipping main tank, so that liquid in the hot-dipping main tank can naturally flow back to the hot-dipping auxiliary tank through the first return pipe, the first filtering pump is installed on the first flow guide pipe, and the liquid is extracted from the hot-dipping auxiliary tank and sent to the hot-dipping main tank.
The second circulating and filtering pipeline structure comprises a second filtering pump, a second flow guide pipe and a second return pipe, the second flow guide pipe and the second return pipe are respectively communicated with the ultrasonic main tank and the ultrasonic auxiliary tank, the height of the ultrasonic auxiliary tank is lower than that of the ultrasonic main tank, so that liquid in the ultrasonic main tank can naturally flow back to the ultrasonic auxiliary tank through the second return pipe, the second filtering pump is installed on the second flow guide pipe, and the liquid is extracted from the ultrasonic auxiliary tank and sent to the ultrasonic main tank.
The movable spray-washing device comprises a spray-washing pump, a spray pipe, a spray-washing linear motion mechanism and a plurality of nozzles, wherein the spray pipe can move back and forth and is arranged in a main spray tank, the spray pipe is driven to move back and forth by the spray-washing linear motion mechanism, the nozzles are arranged on the spray pipe, the spray pipe is connected with an outlet of the spray-washing pump, and an inlet of the spray-washing pump is connected with a spray auxiliary tank.
The spray pipe is annular, the nozzles are distributed on the inner annular surface of the annular spray pipe, liquid is sprayed to the middle of the annular spray pipe, and when the heat exchanger is used, the heat exchanger is located in the middle of the annular spray pipe.
The movable liquid blowing device comprises a liquid blowing fan, a liquid blowing linear motion mechanism, an air pipe and a plurality of air nozzles, wherein the air pipe can be installed in the main spraying groove in a back-and-forth motion mode, the air pipe is driven to move back and forth through the liquid blowing linear motion mechanism, the air nozzles are installed on the air pipe, and the air pipe is connected with an air outlet of the liquid blowing fan.
The recycling pipeline structure comprises a third backflow pipe, the third backflow pipe is communicated with the main spraying groove and the auxiliary spraying groove, and the height of the auxiliary spraying groove is lower than that of the main spraying groove, so that liquid in the main spraying groove can naturally flow back to the auxiliary spraying groove through the third backflow pipe.
The flushing device in the pipe comprises a shell, a flushing pump, a liquid storage cylinder, a water outlet pipe and a water return pipe, wherein the flushing pump and the liquid storage cylinder are installed in the shell, the flushing pump extracts liquid from the liquid storage cylinder, one end of the water outlet pipe is connected with a water outlet of the flushing pump, the other end of the water outlet pipe is used for being connected with one pipe orifice of the heat exchanger, one end of the water return pipe is connected with the liquid storage cylinder, and the other end of the water return pipe is used for being connected with.
The liquid blowing device in the pipe comprises a blower in the pipe and an air outlet pipe, one end of the air outlet pipe is connected with an air outlet of the blower in the pipe, and the other end of the air outlet pipe is used for being connected with one pipe orifice of the heat exchanger.
The comprehensive automatic cleaning equipment for the heat exchanger of the aircraft air conditioning system further comprises a controller, wherein the controller is electrically connected with the first electric heating tube, the first throw-in type ultrasonic vibration plate, the third electric heating tube, the first circulating filtration pipeline structure, the second electric heating tube, the second throw-in type ultrasonic vibration plate, the fourth electric heating tube, the second circulating filtration pipeline structure, the movable spray-washing device, the movable liquid blowing device, the basket outlet conveying table and the manipulator respectively.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a hot dipping owner groove, ultrasonic wave owner groove, spray owner groove and pump washing tank and wash heat exchanger in proper order, can wash the heat exchanger of multiple model, and can use manpower sparingly, and efficient, can guarantee that the scavenging degree meets the requirements
Drawings
Fig. 1 is a schematic top view of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic sectional view of the main spray tank of the present invention, and the wash basket is located in the main spray tank;
fig. 4 is a schematic side view of the present invention.
The reference numerals in the drawings mean:
1, a trolley; 2, washing a basket; 3, hot dipping a main tank; 3-1, a first throw-in type ultrasonic vibration plate; 4, ultrasonic main grooves; 4-1, a second throw-in type ultrasonic vibration plate; 5, spraying the main tank; 5-1, spraying a pipe; 5-2 nozzles; 5-3 casing pipes; 5-4 guide rods; 6, a basket discharging conveying platform; 7, a manipulator; 7-1 hook; 7-2, a lifting mechanism; 7-3 horizontal linear motion mechanism; 8, hot dipping auxiliary tanks; 9 ultrasonic auxiliary groove; 10, spraying the auxiliary tank; 11 pump cleaning tank; 12 a frame; 12-1 parking space; 13 a first filtration pump; 14 a second filtration pump; 15 liquid blowing fan; 16 spray rinsing pump; 17 a flushing device in the pipe; 24 a liquid blowing device in the pipe.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1 to 4, the comprehensive automatic cleaning device for the heat exchanger of the air conditioning system of the airplane comprises a frame 12, a trolley 1, a washing basket 2, a hot soaking main tank 3, a hot soaking auxiliary tank 8, an ultrasonic main tank 4, an ultrasonic auxiliary tank 9, a spraying main tank 5, a spraying auxiliary tank 10, a basket discharging conveying platform 6, a pump cleaning tank 11 and a mechanical arm 7.
As shown in figure 1, a parking space 12-1 is arranged on the right side of the rack, the trolley 1 can be pushed into the parking space 12-1, a heat exchanger to be cleaned is placed in the washing basket 2, and the washing basket 2 and the heat exchanger to be cleaned are placed on the trolley 1 together, so that workers can conveniently transport the heat exchanger. The hot dipping main tank 3 is arranged on the frame 12, a first electric heating pipe and a first input type ultrasonic vibration plate 3-1 are arranged in the hot dipping main tank 3, the first electric heating pipe heats liquid in the hot dipping main tank 3 to a certain temperature, and the first input type ultrasonic vibration plate 3-1 radiates ultrasonic waves to a heat exchanger in the hot dipping main tank 3. The hot dipping auxiliary tank 8 is arranged on the frame 12 and is connected with the hot dipping main tank 3 through a first circulating and filtering pipeline structure, so that the hot dipping auxiliary tank can be mutually circulated with liquid in the hot dipping main tank 3, the liquid is filtered in the circulating process, and the cleanliness of the liquid for cleaning is ensured. The ultrasonic main tank 4 is arranged on the frame 12, a second electric heating pipe and a second throw-in type ultrasonic vibration plate 4-1 are arranged in the ultrasonic main tank, the second electric heating pipe heats liquid in the ultrasonic main tank 4, and the second throw-in type ultrasonic vibration plate 4-1 radiates ultrasonic waves to a heat exchanger in the ultrasonic main tank 4. The ultrasonic auxiliary tank 9 is installed on the frame 12 and is connected with the ultrasonic main tank 4 through a second circulating and filtering pipeline structure, so that the ultrasonic auxiliary tank can be circulated with liquid in the ultrasonic main tank 4, the liquid is filtered in the circulating process, and the cleanliness of the liquid for cleaning is ensured. The main spray tank 5 is installed on the frame 12, and a movable spray washing device and a movable liquid blowing device are arranged in the main spray tank, the movable spray washing device washes the outside of the heat exchanger in the main spray tank back and forth, and the movable liquid blowing device blows air to the washed outside of the heat exchanger, so that the liquid remained outside the heat exchanger is dried. The spray sub-tank 10 is installed on the frame 12, is connected with the mobile spray washing device, provides liquid for spraying for the mobile spray washing device, and is also connected with the spray main tank through a recovery pipeline structure, so that the liquid in the spray main tank is conveyed back to the spray sub-tank. One end of the basket outlet conveying platform 6 is close to the main spraying groove 5, and the other end of the basket outlet conveying platform extends out of the rack 12 and is used for conveying the washing basket 2 and the heat exchanger in the washing basket out of the rack. The pump cleaning tank 11 is installed at a position close to the end part of the basket delivery platform 6 extending to the outside of the frame 12, an in-pipe flushing device 17 and an in-pipe liquid blowing device 24 are arranged beside the pump cleaning tank, the in-pipe flushing device 17 flushes liquid into the pipe of the heat exchanger so as to flush the pipe of the heat exchanger, and the in-pipe liquid blowing device 24 is used for blowing air into the pipe of the heat exchanger so as to blow dry the liquid remained in the pipe of the heat exchanger. The manipulator is used for lifting the washing basket staying on the parking space and the heat exchanger in the washing basket from the trolley and then sequentially placing the washing basket in the hot soaking main tank, the ultrasonic main tank, the spraying main tank and the end part of the basket outlet conveying platform close to the spraying main tank.
When the cleaning device is used, cleaning liquid is contained in the hot-dipping main tank 3 and the hot-dipping auxiliary tank 8, clear water is contained in the ultrasonic main tank 4, the ultrasonic auxiliary tank 9 and the spraying auxiliary tank 10, a worker carries the heat exchanger from other places through the trolley 1, the heat exchanger is placed in the washing basket 2 and then pushed into the parking space 12-1, comprehensive automatic cleaning equipment of the heat exchanger of the air conditioning system of the airplane is started, the manipulator 7 lifts the washing basket 2 and the heat exchanger in the washing basket 2 from the trolley 1, the washing basket and the heat exchanger in the washing basket are firstly transported to the position above the hot-dipping main tank 3 and placed in the hot-dipping main tank 3, the heat exchanger is soaked through the cleaning liquid at a certain temperature in the hot-dipping main tank 3, ultrasonic waves are radiated to the heat exchanger, the soaking is more sufficient, and dirt such as blockage on; after the cleaning is finished, the mechanical hand 7 lifts the washing basket 2 and the heat exchanger in the washing basket 2 and puts the washing basket into the ultrasonic main tank 4, clean water with certain temperature is contained in the ultrasonic main tank 4, and ultrasonic waves are radiated to the heat exchanger for further cleaning; after the washing is finished, the mechanical arm 7 lifts the washing basket 2 and the heat exchanger in the washing basket is placed into the main spraying groove 5, the outside of the heat exchanger is washed by the movable spraying device, and residual liquid outside the heat exchanger is dried by the movable liquid blowing device after the washing is finished; after the cleaning is finished, the mechanical hand 7 lifts the washing basket 2 and the heat exchanger in the washing basket 2 to be placed on the end part, close to the spraying main groove 5, of the basket discharging conveying table 6, the washing basket 2 and the heat exchanger in the washing basket 2 are conveyed outwards by the basket discharging conveying table 6, after the washing basket is conveyed to the outer end, the washing basket 2 and the heat exchanger in the washing basket are placed in the pump washing groove 11 by workers, the pipe orifice of the pipe flushing device 17 and the pipe orifice of the heat exchanger are connected manually, the pipe in-pipe flushing device 17 is started, the pipe in the heat exchanger is flushed through circularly flowing liquid, after the pipe in-pipe flushing is finished, the pipe in-pipe flushing device 17 is detached, the pipe in-pipe liquid blowing device 24 and the pipe orifice of the heat exchanger are connected manually, air is blown into. The reason why the pump cleaning tank 11, the in-pipe flushing device 17 and the in-pipe liquid blowing device 24 are manually operated is to adapt to heat exchangers of different types, and workers can connect through different hose clamps because the sizes and the structures of the pipe orifices of the heat exchangers of different types are different.
The arrangement of the heat soaking auxiliary tank 8 and the ultrasonic auxiliary tank 9 in the embodiment can facilitate the filtration and cleaning of liquid and the addition of liquid, because the heat exchanger can take away part of liquid in the use process.
As shown in fig. 1, the basket discharging conveyor 6 of the present embodiment is disposed on the left side of the frame 12, and the hot dipping main tank 3, the ultrasonic main tank 4, and the spraying main tank 5 are sequentially disposed between the parking space 12-1 and the basket discharging conveyor 6. And the outer walls of the hot dipping main tank 3, the hot dipping auxiliary tank 8, the ultrasonic main tank 4, the ultrasonic auxiliary tank 9, the spraying main tank 5 and the spraying auxiliary tank 10 are all adhered with heat insulation cotton for keeping the temperature of liquid in the tanks, and the thickness of the heat insulation cotton is 20 mm.
The first circulating and filtering pipeline structure of the embodiment comprises a first filtering pump 13, a first flow guide pipe and a first return pipe, wherein the first flow guide pipe and the first return pipe are respectively communicated with the hot-dipping main tank 3 and the hot-dipping auxiliary tank 8, the height of the hot-dipping auxiliary tank 8 is lower than that of the hot-dipping main tank 3, a height difference is formed, so that liquid in the hot-dipping main tank 3 can naturally flow back to the hot-dipping auxiliary tank 8 through the first return pipe, the first filtering pump 13 is installed on the first flow guide pipe, and the liquid is extracted from the hot-dipping auxiliary tank 8 and sent to the hot-dipping main tank 3. And the first flow guide pipe and the first return pipeline are respectively provided with a regulating valve for regulating the flow. The first guide pipe is communicated with the lower part of the hot-dipping auxiliary tank 8, the first return pipe is communicated with the upper part of the hot-dipping auxiliary tank 8, the middle part of the hot-dipping auxiliary tank 8 is provided with a first filtering basket, liquid flowing back from the first return pipe firstly falls into the first filtering basket, filtered by the first filtering basket and then falls into the lower part of the hot-dipping auxiliary tank, and the first filtering pump is used for pumping the liquid at the lower part of the hot-dipping auxiliary tank through the first guide pipe. The bottoms of the main hot-dipping tank and the auxiliary hot-dipping tank are inclined towards the respective water outlets.
The second circulating and filtering pipeline structure of the embodiment comprises a second filtering pump 14, a second flow guide pipe and a second return pipe, wherein the second flow guide pipe and the second return pipe are respectively communicated with the ultrasonic main tank 4 and the ultrasonic auxiliary tank 9, the height of the ultrasonic auxiliary tank 9 is lower than that of the ultrasonic main tank 4, so that liquid in the ultrasonic main tank 4 can naturally flow back to the ultrasonic auxiliary tank 9 through the second return pipe, the second filtering pump 14 is installed on the second flow guide pipe, and the liquid is extracted from the ultrasonic auxiliary tank 9 and sent to the ultrasonic main tank 4. And the second flow guide pipe and the second return pipe are respectively provided with a regulating valve for regulating the flow. The second honeycomb duct is communicated with the lower part of the ultrasonic auxiliary tank 9, the second return pipe is communicated with the upper part of the ultrasonic auxiliary tank 9, a second filtering basket is arranged in the middle of the ultrasonic auxiliary tank 9, liquid flowing back from the second return pipe firstly falls into the second filtering basket, the liquid is filtered by the second filtering basket and then falls into the lower part of the ultrasonic auxiliary tank, and the second filtering pump extracts the liquid at the lower part of the ultrasonic auxiliary tank through the second honeycomb duct. The bottoms of the ultrasonic main tank and the ultrasonic auxiliary tank are inclined towards the respective water outlets.
The movable spray washing device comprises a spray washing pump 16, a spray pipe 5-1, a spray washing linear motion mechanism and a plurality of nozzles 5-2, wherein the spray pipe 5-1 can be arranged in a main spray tank 5 in a back-and-forth motion mode, the spray pipe 5-1 is driven by the spray washing linear motion mechanism to move back and forth, the nozzles 5-2 are arranged on the spray pipe 5-1, the spray pipe 5-1 is connected with an outlet of the spray washing pump 16, and an inlet of the spray washing pump 16 is connected with a secondary spray tank 10.
As shown in fig. 3, wherein the spray pipe 5-1 is in a square ring shape, the nozzles 5-2 are distributed on the inner ring surface of the ring-shaped spray pipe 5-1, and spray liquid to the middle of the ring-shaped spray pipe 5-1, when in use, the heat exchanger is positioned in the middle of the ring-shaped spray pipe 5-1.
The linear motion mechanism for spray washing in the embodiment is an air cylinder, a sleeve 5-3 is arranged on the outer annular surface of an annular spray pipe 5-1, a horizontal guide rod 5-4 is arranged in a main spray groove 5, the sleeve 5-3 is movably sleeved on the guide rod 5-4, so that the spray pipe 5-3 can slide along the guide rod 5-4, and the movable end of the air cylinder is connected with the spray pipe 5-1.
The movable liquid blowing device of the embodiment comprises a liquid blowing fan 15, a liquid blowing linear motion mechanism, an air pipe and a plurality of air nozzles (the installation structures of the air pipe and the air nozzles are basically the same as the installation structures of a spray pipe and a plurality of nozzles, so that the installation structures are not shown in the drawing), the air pipe can move back and forth and is installed in a spraying main tank, the air pipe is driven to move back and forth by the liquid blowing linear motion mechanism, the air nozzles are installed on the air pipe, and the air pipe is connected with an air outlet of the liquid blowing fan.
The movable liquid blowing device further comprises an air filter, and the air filter is installed on a pipeline connecting the air pipe and the liquid blowing fan.
The air pipe is in a square annular shape, the air nozzles are distributed on the inner annular surface of the annular air pipe and blow air to the middle of the annular air pipe, and when the heat exchanger is used, the heat exchanger is located in the middle of the annular air pipe. The liquid blowing linear motion mechanism is also an air cylinder, a sleeve is also arranged on the outer annular surface of the annular air pipe, the sleeve is movably sleeved on the guide rod, so that the air pipe can slide along the guide rod, and the movable end of the air cylinder is connected with the air pipe.
The recycling pipeline structure comprises a third return pipe, the third return pipe is communicated with the main spraying groove 5 and the auxiliary spraying groove 10, and the height of the auxiliary spraying groove 10 is lower than that of the main spraying groove 5, so that liquid in the main spraying groove 5 can naturally flow back to the auxiliary spraying groove 10 through the third return pipe. The inlet of the spray washing pump 16 is connected with the lower part of the spray auxiliary tank 10, the third return pipe is connected with the upper part of the spray auxiliary tank 10, the middle part of the spray auxiliary tank is provided with a third filtering basket, liquid flowing back from the third return pipe firstly falls into the third filtering basket, the liquid is filtered by the third filtering basket and then falls into the lower part of the spray auxiliary tank, and the spray washing pump extracts the liquid from the lower part of the spray auxiliary tank.
A water drainage groove is arranged below the basket delivery platform 6, the water drainage groove is inclined towards the outer end, and water drops dropping from the heat exchanger above the basket delivery platform 6 fall into the water drainage groove and are discharged outwards by the water drainage groove. The basket delivery platform of this embodiment is the chain transfer line, and basket delivery platform also can be band conveyer.
The in-pipe flushing device 17 comprises a shell, a flushing pump, a liquid storage cylinder, a water outlet pipe and a water return pipe, wherein the flushing pump and the liquid storage cylinder are installed in the shell, the flushing pump extracts liquid from the liquid storage cylinder, one end of the water outlet pipe is connected with a water outlet of the flushing pump, the other end of the water outlet pipe is used for being connected with one pipe orifice of the heat exchanger, one end of the water return pipe is connected with the liquid storage cylinder, and the other end of the water return pipe is used for being connected. And (4) flushing liquid into the pipe of the heat exchanger through a flushing pump to flush the pipe of the heat exchanger, wherein the flushed liquid flows back to the liquid storage cylinder. The flushing device in the pipe can also be provided with a positive back flushing pipeline structure, and the communication of the pipeline is controlled by the electromagnetic valve, so that the flushing direction in the pipe of the heat exchanger is switched.
The in-tube liquid blowing device 24 includes an in-tube blower and an air outlet tube, one end of the air outlet tube is connected to an air outlet of the in-tube blower, and the other end is used for being connected to one of the tube openings of the heat exchanger, thereby blowing air into the tube of the heat exchanger.
The manipulator 7 of this embodiment includes a hook 7-1, a horizontal linear motion mechanism 7-3, and a lifting mechanism 7-2, where the horizontal linear motion mechanism 7-3 and the lifting mechanism 7-2 are conventional mechanisms, such as: the washing machine comprises a hydraulic cylinder, a cylinder, an electric guide rail and other mechanisms, wherein a horizontal linear motion mechanism 7-3 is transversely installed on a rack 12, a lifting mechanism 7-2 is installed on the horizontal linear motion mechanism 7-3 and is driven by the horizontal linear motion mechanism 7-3 to horizontally and linearly move, a lifting hook 7-1 is correspondingly installed on the lifting mechanism 7-3, the lifting hook 7-1 is vertically downward and is driven by the lifting mechanism 7-3 to lift, a cross rod 2-1 is arranged on a washing basket 2, and the lifting hook 7-1 can be hooked on the cross rod 2-1. When the lifting device is used, the lifting hook is driven by the horizontal linear motion mechanism and the lifting mechanism to do horizontal or lifting motion to hook the cross rod, so that the washing basket can be lifted.
In the embodiment, the frame 12 is provided with the sealing cover which covers the hot-dipping main tank 3, the ultrasonic main tank 4 and the spraying main tank 5, the frame of the sealing cover is made of carbon steel sectional materials, the flat plate arranged on the frame is made of A3 plates, and the surface of the frame is sprayed with plastics for corrosion prevention. Two LED lamps are arranged in the closed cover, and the power of the LED lamps is 40W.
The lifting weight of the manipulator of the embodiment is 200 Kg.
The size of the hot-dipping main tank 3 is: 965mm in length, 1500mm in width and 850mm in depth, and is made of 316 stainless steel plate 2.5mm in thickness, and the hot-dipping main tank 3 is provided with a tank cover capable of being automatically opened and closed. The power of the first electric heating pipe is 42KW, the hot dipping auxiliary tank 8 is made of 316 stainless steel plates with the thickness of 2mm, and a tank cover which is manually operated is arranged on the hot dipping auxiliary tank 8. A third electric heating pipe is arranged in the hot dipping auxiliary tank 8 and used for heating the liquid in the hot dipping auxiliary tank 8, the power of the third electric heating pipe is 6KW, and a liquid level sensor is arranged at the bottom of the hot dipping auxiliary tank and used for detecting the liquid level of the liquid in the hot dipping auxiliary tank.
The dimensions of the ultrasonic main groove 4 are: 965mm long by 1500mm wide by 850mm deep, and is made of 316 stainless steel plate 2.5mm thick, and the ultrasonic main tank 4 is provided with a tank cover capable of being automatically opened and closed, the power of the second electric heating tube is 24KW, the ultrasonic auxiliary tank 9 is made of 316 stainless steel plate 2mm thick, and the ultrasonic auxiliary tank 9 is provided with a manually operated tank cover. A fourth electric heating pipe is arranged in the ultrasonic auxiliary tank 9 and used for heating liquid in the ultrasonic auxiliary tank, the power of the fourth electric heating pipe is 3KW, and a liquid level sensor is also arranged at the bottom of the ultrasonic auxiliary tank and used for detecting the liquid level of the liquid in the ultrasonic auxiliary tank.
The first throw-in type ultrasonic vibration plate 3-1 comprises two 2400W ultrasonic vibration plates arranged at the bottom of the tank and four 1500W ultrasonic vibration plates arranged on the left inner side and the right inner side of the tank, the frequency of the ultrasonic vibration plates of the first throw-in type ultrasonic vibration plate 3-1 is 40KHz, and the total power is 10.8 KW. The second throw-in type ultrasonic vibration plate 4-1 also comprises two 2400W ultrasonic vibration plates arranged at the bottom of the tank and four 1500W ultrasonic vibration plates arranged at the left inner side and the right inner side of the tank, the frequency of the ultrasonic vibration plates of the second throw-in type ultrasonic vibration plate 4-1 is 28KHz, and the total power is 10.2 KW.
The size of the main spraying groove 5 is as follows: the length is 1165mm, the width is 1500mm, the depth is 850mm, the spraying main tank is made of 316 stainless steel plates with the thickness of 2.5mm, and a tank cover capable of being automatically opened and closed is arranged on the spraying main tank. The spraying auxiliary tank 10 is made of 316 stainless steel plates with the thickness of 2mm, and a manually operated tank cover is arranged on the spraying auxiliary tank.
The mobile spray unit also includes a pressure protection device mounted on the spray pipe, and the spray pressure of the mobile spray unit can reach 426.7 PSIG. The power of the liquid blowing fan is 10 HP. The pump cleaning tank is made of 316 stainless steel plates with the thickness of 2mm, a tank cover which is operated manually is arranged on the pump cleaning tank, and a liquid level sensor for detecting the liquid level is also arranged at the tank bottom of the pump cleaning tank.
The embodiment further comprises a control cabinet, wherein a controller is arranged in the control cabinet, and the controller is respectively electrically connected with the first electric heating tube, the first input type ultrasonic vibration plate, the third electric heating tube, the first circulating filtration pipeline structure, the second electric heating tube, the second input type ultrasonic vibration plate, the fourth electric heating tube, the second circulating filtration pipeline structure, the movable spray washing device, the movable liquid blowing device, the basket discharging conveying table and the manipulator. The controller is a PLC. The control cabinet is provided with an indicator light and a buzzer in three colors, the shell of the control cabinet is made of carbon steel plates, and the surface of the control cabinet is sprayed with plastic and is anticorrosive.
An infrared sensor is arranged at the end part of the basket outlet conveying platform 6 extending to the outside of the machine frame, and whether a heat exchanger is arranged on the infrared sensor is sensed by the infrared sensor. The infrared induction sensor is connected with the controller, and when the heat exchanger is sensed, the controller controls the indicator lamp to light or the buzzer to sound so as to prompt a worker that the heat exchanger is conveyed in place.
The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.

Claims (10)

1. An aircraft air conditioning system heat exchanger integrated automatic cleaning apparatus, comprising:
a parking space is arranged on one side of the rack;
a trolley which can be pushed into the parking space;
a washing basket, wherein the heat exchanger to be washed is placed in the washing basket;
the hot soaking main tank is arranged on the rack, and a first electric heating pipe and a first throw-in type ultrasonic vibration plate are arranged in the hot soaking main tank;
the hot dipping auxiliary tank is arranged on the frame, is internally provided with a third electric heating pipe and is connected with the hot dipping main tank through a first circulating and filtering pipeline structure, so that the hot dipping auxiliary tank can be mutually circulated with liquid in the hot dipping main tank and filters the liquid in the circulating process;
the ultrasonic main tank is arranged on the rack, and a second electric heating pipe and a second throw-in type ultrasonic vibration plate are arranged in the ultrasonic main tank;
the ultrasonic auxiliary tank is arranged on the rack, is internally provided with a fourth electric heating pipe and is connected with the ultrasonic main tank through a second circulating and filtering pipeline structure, so that the ultrasonic auxiliary tank can be mutually circulated with liquid in the ultrasonic main tank and filters the liquid in the circulating process;
the spraying main tank is arranged on the rack, and is internally provided with a movable spraying device and a movable liquid blowing device, the movable spraying device washes the outside of the heat exchanger in the spraying main tank back and forth, and the movable liquid blowing device blows air back to the outside of the washed heat exchanger;
the spraying auxiliary groove is arranged on the rack, is connected with the movable spraying device, provides liquid for spraying for the movable spraying device, and is also connected with the spraying main groove through a recovery pipeline structure so as to convey the liquid in the spraying main groove back to the spraying auxiliary groove;
one end of the basket outlet conveying platform is close to the spraying main tank, and the other end of the basket outlet conveying platform extends to the outer side of the rack and is used for conveying the washing basket and the heat exchanger in the washing basket out of the rack;
the pump cleaning tank is arranged at a position close to the end part of the basket outlet conveying platform extending to the outer side of the rack, and an in-pipe flushing device and an in-pipe liquid blowing device are arranged beside the pump cleaning tank;
and the manipulator is used for lifting the washing basket staying on the parking space and the heat exchanger in the washing basket from the trolley and then sequentially placing the washing basket in the hot soaking main tank, the ultrasonic main tank, the spraying main tank and the end part of the basket outlet conveying platform, which is close to the spraying main tank.
2. The aircraft air conditioning system heat exchanger integrated automatic cleaning apparatus of claim 1, wherein: the first circulating and filtering pipeline structure comprises a first filtering pump, a first flow guide pipe and a first return pipe, the first flow guide pipe and the first return pipe are respectively communicated with the main hot-soaking tank and the auxiliary hot-soaking tank, the height of the auxiliary hot-soaking tank is lower than that of the main hot-soaking tank, so that liquid in the main hot-soaking tank can naturally flow back to the auxiliary hot-soaking tank through the first return pipe, the first filtering pump is installed on the first flow guide pipe, and liquid is extracted from the auxiliary hot-soaking tank and sent to the main hot-soaking tank.
3. The aircraft air conditioning system heat exchanger integrated automatic cleaning apparatus of claim 1, wherein: the second circulating and filtering pipeline structure comprises a second filtering pump, a second flow guide pipe and a second return pipe, the second flow guide pipe and the second return pipe are respectively communicated with the ultrasonic main tank and the ultrasonic auxiliary tank, the height of the ultrasonic auxiliary tank is lower than that of the ultrasonic main tank, so that liquid in the ultrasonic main tank can naturally flow back to the ultrasonic auxiliary tank through the second return pipe, the second filtering pump is installed on the second flow guide pipe, and liquid is extracted from the ultrasonic auxiliary tank and sent to the ultrasonic main tank.
4. The aircraft air conditioning system heat exchanger integrated automatic cleaning apparatus of claim 1, wherein: the movable spray-washing device comprises a spray-washing pump, a spray pipe, a spray-washing linear motion mechanism and a plurality of nozzles, the spray pipe can move back and forth and is installed in the spray main tank, the spray pipe can move back and forth, the nozzles can be installed on the spray pipe, the spray pipe can be connected with the outlet of the spray-washing pump, and the spray-washing pump is provided with an inlet and is connected with the spray auxiliary tank.
5. The aircraft air conditioning system heat exchanger integrated automatic cleaning apparatus of claim 4, wherein: the spray pipe is annular, the nozzles are distributed on the inner annular surface of the annular spray pipe, liquid is sprayed to the middle of the annular spray pipe, and when the heat exchanger is used, the heat exchanger is located in the middle of the annular spray pipe.
6. The aircraft air conditioning system heat exchanger integrated automatic cleaning apparatus of claim 1, wherein: the movable liquid blowing device comprises a liquid blowing fan, a liquid blowing linear motion mechanism, an air pipe and a plurality of air nozzles, wherein the air pipe can be installed in the main spraying groove in a back-and-forth motion mode, the liquid blowing linear motion mechanism drives the air pipe to move back and forth, the air nozzles are installed on the air pipe, and the air pipe is connected with an air outlet of the liquid blowing fan.
7. The aircraft air conditioning system heat exchanger integrated automatic cleaning apparatus of claim 1, wherein: the recycling pipeline structure comprises a third backflow pipe, the third backflow pipe is communicated with the main spraying groove and the auxiliary spraying groove, and the height of the auxiliary spraying groove is lower than that of the main spraying groove, so that liquid in the main spraying groove can naturally flow back to the auxiliary spraying groove through the third backflow pipe.
8. The aircraft air conditioning system heat exchanger integrated automatic cleaning apparatus of claim 1, wherein: the intraductal washing unit includes casing, flush pump, liquid storage cylinder, outlet pipe and wet return, flush pump and liquid storage cylinder install in the casing, the flush pump is followed liquid storage cylinder extracts liquid, the one end of outlet pipe with the delivery port of flush pump is connected, the other end be used for with heat exchanger's one of them mouth of pipe is connected, the one end of wet return with the liquid storage cylinder is connected, the other end be used for with another mouth of pipe of heat exchanger is connected.
9. The aircraft air conditioning system heat exchanger integrated automatic cleaning apparatus of claim 1, wherein: the liquid blowing device in the pipe comprises a blower in the pipe and an air outlet pipe, one end of the air outlet pipe is connected with an air outlet of the blower in the pipe, and the other end of the air outlet pipe is used for being connected with one pipe opening of the heat exchanger.
10. The aircraft air conditioning system heat exchanger integrated automatic cleaning apparatus of claim 1, wherein: the comprehensive automatic cleaning equipment for the heat exchanger of the aircraft air conditioning system further comprises a controller, wherein the controller is respectively electrically connected with the first electric heating tube, the first input type ultrasonic vibration plate, the third electric heating tube, the first circulating filtration pipeline structure, the second electric heating tube, the second input type ultrasonic vibration plate, the fourth electric heating tube, the second circulating filtration pipeline structure, the movable spray-washing device, the movable liquid blowing device, the basket outlet conveying table and the manipulator.
CN201920485175.4U 2019-04-09 2019-04-09 Comprehensive automatic cleaning equipment for heat exchanger of aircraft air conditioning system Active CN210358352U (en)

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Application Number Priority Date Filing Date Title
CN201920485175.4U CN210358352U (en) 2019-04-09 2019-04-09 Comprehensive automatic cleaning equipment for heat exchanger of aircraft air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920485175.4U CN210358352U (en) 2019-04-09 2019-04-09 Comprehensive automatic cleaning equipment for heat exchanger of aircraft air conditioning system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110076135A (en) * 2019-04-09 2019-08-02 广州飞机维修工程有限公司 A kind of aircraft air-conditioning system heat exchanger comprehensive automation cleaning equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110076135A (en) * 2019-04-09 2019-08-02 广州飞机维修工程有限公司 A kind of aircraft air-conditioning system heat exchanger comprehensive automation cleaning equipment

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