CN220215939U

CN220215939U - Engine cleaning apparatus

Info

Publication number: CN220215939U
Application number: CN202321383009.6U
Authority: CN
Inventors: 黎亮; 唐黎明; 杜海生; 杨远会; 高桦; 黄正东; 曾金富
Original assignee: Chengdu Yuheng Technology Co ltd
Current assignee: Chengdu Yuheng Technology Co ltd
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2023-12-22
Anticipated expiration: 2033-06-01

Abstract

The utility model provides engine cleaning equipment, which relates to the technical field of blade cleaning and comprises the following components: the liquid inlet module is provided with a liquid inlet manifold and a water inlet manifold, and a heating mechanism for heating the cleaning liquid is further arranged on the liquid inlet manifold; and one end of the liquid outlet pipeline is communicated with the high-pressure spray head and the low-pressure spray head, the other end of the liquid outlet pipeline is communicated with the liquid inlet manifold and/or the water inlet manifold, and a cleaning pump is further arranged on the liquid outlet pipeline. The utility model solves the problem that the existing cleaning equipment has poor cleaning effect on engine blades.

Description

Engine cleaning apparatus

Technical Field

The utility model relates to the technical field of blade cleaning, in particular to engine cleaning equipment.

Background

Because various pollutants exist in the atmosphere, when an aircraft flies, external sundry particles can enter the engine and adhere to compressor blades in the aircraft engine, so that serious engine safety hidden danger can be caused in the condition for a long time, and the fuel efficiency of the engine can be influenced.

In order to clean the sundry particles adhered to the blades of the air compressor in time, the patent with the publication No. CN1705524B provides a method and equipment for cleaning the gas turbine engine of the turbofan, which is characterized in that a nozzle is arranged at the front end of the engine, namely at an air inlet, then a cleaning liquid is pumped into the nozzle to be atomized and then enters the air compressor, and then the cleaning liquid moves towards the air outlet of the engine under the action of suction force generated by the rotation of the air cooler of the engine, wherein the cleaning liquid continuously contacts the blades of the air compressor in the process to clean the sundry particles on the blades and finally flows out of the engine; for a specific structure of the nozzle and its mounting method, refer to the patent with publication number CN 206468443U.

However, in the above structure, after the cleaning liquid is floated into the engine to clean the blade, a small amount of impurities with strong adhesion are still present on part of the blade, and the impurities are not carried out of the engine along with the flow of the cleaning liquid, so that the cleaning effect of the existing equipment on the engine is still poor.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides engine cleaning equipment which solves the problem that the cleaning effect of the existing cleaning equipment on engine blades is poor.

According to an embodiment of the present utility model, an engine cleaning apparatus includes:

the liquid inlet module is provided with a liquid inlet manifold and a water inlet manifold, and a heating mechanism for heating the cleaning liquid is further arranged on the liquid inlet manifold;

and one end of the liquid outlet pipeline is communicated with the high-pressure spray head and the low-pressure spray head, the other end of the liquid outlet pipeline is communicated with the liquid inlet manifold and/or the water inlet manifold, and a cleaning pump is further arranged on the liquid outlet pipeline.

The technical principle of the utility model is as follows: when the engine is used, the low-pressure spray head is arranged at an air inlet of the engine, then the engine bonnet and the mounting shell are opened, the high-pressure spray head is arranged in the middle of the engine, then cleaning liquid is poured into the liquid inlet manifold and heated by the heating mechanism, the liquid inlet manifold and the liquid outlet pipeline are connected, and under the action of the cleaning pump, the cleaning liquid can be sprayed out after being atomized by the low-pressure spray head and the high-pressure spray head respectively, so that engine blades can be cleaned at different positions and with different intensities; after the preliminary cleaning is finished, the liquid inlet manifold and the liquid outlet pipeline are disconnected, the liquid inlet manifold and the liquid outlet pipeline are communicated, and finally, the back washing of the blades is finished under the flushing of distilled water introduced by the liquid inlet manifold.

Compared with the prior art, the utility model has the following beneficial effects: the cleaning liquid is sprayed to the air inlet of the engine through the low-pressure spray nozzle, so that the cleaning liquid can slowly and uniformly wash sundry particles on each blade under the suction of a cold machine of the engine; when the aircraft press works, the rotating speed of the middle turbine blade is high, so that partial sundries are burnt and adhered to the blade and cannot be cleaned by the cleaning liquid of the low-pressure nozzle; at this time, the high-pressure spray nozzle is arranged at the position to locally wash the middle turbine blade in a concentrated and high-speed manner, so that the sundry particles with stronger adhesion force are cleaned, and the sundry particles flow out towards the air outlet of the engine along with the cleaning liquid of the low-pressure spray nozzle under the suction action of the cooler.

According to one embodiment, the high pressure spray heads are provided with two groups.

According to one embodiment, the liquid inlet manifold is in communication with a cleaning liquid tank, and the heating mechanism comprises:

a heating element installed in the cleaning liquid tank;

and the input and output ends of the circulating pump are communicated with the cleaning liquid tank through pipelines.

According to one embodiment, a safety valve is also mounted on the intake manifold to monitor the pressure in the conduit and relieve the pressure.

According to one embodiment, one end of the safety valve is communicated with the liquid inlet manifold, and the other end of the safety valve is communicated with the liquid outlet pipeline connected with the output end of the cleaning pump, so that part of cleaning liquid when the pressure in the liquid outlet pipeline is too high is led back into the liquid inlet manifold.

According to one embodiment, the water inlet manifold and the liquid inlet manifold are communicated with the cleaning pump through a two-position three-way reversing valve.

According to one embodiment, the intake manifold has a primary filtration module mounted thereon.

According to one embodiment, the liquid outlet pipe is provided with a secondary filter module.

According to one embodiment, the liquid outlet pipe is provided with a flow meter.

According to one embodiment, the liquid inlet module and the liquid outlet pipeline are both installed on a transportation vehicle.

Drawings

Fig. 1 is a schematic diagram of piping connection according to an embodiment of the present utility model.

Fig. 2 is a simplified working diagram of an embodiment of the present utility model.

In the above figures:

101. a liquid inlet manifold; 1011. a cleaning liquid tank; 1012. a circulation pump; 1013. a liquid discharge valve; 1014. a safety valve; 1015. a pressure gauge;

102. a water inlet manifold; 1021. a primary filtration module;

201. a liquid outlet pipe; 2011. a cleaning pump; 2012. a secondary filtration module; 2013. a flow meter; 2014. a low pressure nozzle; 2015. a high pressure nozzle;

3. a two-position three-way reversing valve; 4. an engine.

Detailed Description

Various embodiments of the utility model are disclosed in the accompanying drawings, and for purposes of explanation, numerous practical details are set forth in the following description. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Furthermore, for the purpose of simplifying the drawings, some of the presently available structures and elements are shown in a simplified schematic form, and the same reference numerals will be used throughout the drawings to designate the same or similar elements. Features of different embodiments may be applied interactively without conflict.

Referring to fig. 1 and 2, an engine cleaning apparatus is provided according to an embodiment of the present utility model, which includes a liquid outlet pipe 201 and a liquid inlet module formed by two liquid inlet manifolds 101 and 102 that are not connected to each other, wherein,

the liquid inlet manifold 101 is communicated with a cleaning liquid tank 1011 for storing cleaning liquid, and a heating mechanism for heating the cleaning liquid is also installed on the liquid inlet manifold 101, specifically, the heating mechanism comprises a heating element, and the heating element can be a heating rod or a heating sheet without limitation, so as to realize that the temperature of the cleaning liquid in the cleaning liquid tank 1011 can be raised; the top of the cleaning liquid tank 1011 is provided with a liquid inlet for filling the cleaning liquid, and the bottom of the cleaning liquid tank 1011 is connected with a liquid discharge pipe communicating with the inside thereof, and a liquid discharge valve 1013 for opening or closing the pipe is installed in the liquid discharge pipe.

Further, in order to improve the heating efficiency of the heating element, the liquid inlet manifold 101 further includes a circulation pipe having a head end and a tail end connected to the cleaning liquid tank 1011, and a circulation pump 1012 is installed on the circulation pipe to continuously pump the cleaning liquid in the cleaning liquid tank 1011 to circulate in the circulation pipe and the cleaning liquid tank 1011, and the circulation pump 1012 and the components mentioned later, such as the cleaning pump 2011, the low pressure nozzle 2014, the high pressure nozzle 2015, the two-position three-way reversing valve 3, the flowmeter 2013, the pressure gauge 1015, the safety valve 1014 and the filter element, are all structures and connection manners with the pipes in the prior art, and will not be described in detail in this application;

one end of the liquid outlet pipeline 201 is selectively communicated with the water inlet manifold 102 or the liquid inlet manifold 101 through a control valve, and the water inlet manifold 102 and the liquid inlet manifold 101 can be converged into the liquid outlet pipeline 201, in the embodiment, when the blades of the engine 4 are cleaned, distilled water and cleaning liquid are independently used, and are not required to be converged and mixed for use, at the moment, the control valve can be a two-position three-way reversing valve 3, and when the reversing valve works, the water inlet manifold 102 or the liquid inlet manifold 101 can be alternatively communicated with the liquid outlet pipeline 201 by controlling the movement of an internal reversing core of the reversing valve; the two-position three-way reversing valve 3 can be controlled by electromagnetic or manual, and is not limited herein; the other end of the liquid outlet pipeline 201 is communicated with a group of low-pressure spray heads 2014 and two groups of high-pressure spray heads 2015;

the liquid outlet pipe 201 is further provided with a cleaning pump 2011, specifically, in order to ensure that the low-pressure spray head 2014 and the high-pressure spray head 2015 can both spray the cleaning liquid with proper pressure, the cleaning pump 2011 can use a proportional multi-way valve to control the output pressure of the cleaning liquid, so as to ensure that the low-pressure spray head 2014 communicated with the cleaning pump and the cleaning liquid in the high-pressure spray head 2015 are at different pressures, and can use two different cleaning pumps 2011 to independently pressurize the pipeline communicated with the low-pressure spray head 2014 or the high-pressure spray head 2015; for convenience of transportation, the above-mentioned intake manifold 101, outlet pipe 201, intake manifold 102, cleaning pump 2011, cleaning liquid tank 1011, circulating pump 1012 and other related components are fixedly mounted on a transportation vehicle.

Further, for more effective spray rinsing to the blade in the middle of the engine 4, the high-pressure spray nozzles 2015 are provided with two groups, and when in use, the two groups of high-pressure spray nozzles 2015 are respectively supported by the support so that the two high-pressure spray nozzles are opposite to two sides of the blade in the middle of the engine 4, so that high-pressure cleaning liquid is sprayed in opposite directions, and then particle sundries on the blade are flushed at multiple angles.

In order to further improve the cleaning effect of the device, a primary filter module 1021 is arranged on the water inlet manifold 102, and a secondary filter module 2012 is arranged on the liquid outlet pipeline 201; in this embodiment, the above-mentioned filtration module includes a water treatment filter element, wherein the aperture of the filter element adopted by the primary filtration module 1021 is 500 μm, and the aperture of the filter element adopted by the secondary filtration module 2012 is 100 μm; a flowmeter 2013 is also mounted on the outlet pipe 201 to monitor the spray amount of the cleaning liquid.

The present utility model also provides another embodiment, which is different from the above embodiment in that, as shown in fig. 1, a safety valve 1014 is further installed on the liquid inlet manifold 101, and as the liquid inlet manifold 101 can be directly connected to the liquid outlet pipe 201 on the right side of the cleaning pump 2011 through the safety valve 1014, a pressure gauge 1015 for monitoring the pipe pressure is installed on the safety valve 1014, the safety valve 1014 is in a closed state in a normal state, when the pressure gauge 1015 monitors that the pressure in the liquid outlet pipe 201 is too high (the set value in this embodiment is 2Mpa, the specific value can be determined according to the pipe material or the type of the nozzle), the pressure gauge 1015 outputs a signal to control the safety valve 1014 to open and release pressure, so as to further guide the cleaning liquid in the liquid outlet pipe 201 back into the liquid inlet manifold 101 and the cleaning liquid tank 1011.

The working process of the utility model is as follows: when the cleaning device is used, the low-pressure spray heads 2014 are arranged at the air inlet of the engine 4, then the engine cover and the mounting shell of the engine 4 are opened (used for protecting blades, the inner blades can be exposed after the mounting shell is opened), two groups of high-pressure spray heads 2015 are arranged on two sides of the middle part of the engine 4 through brackets, then the circulating pump 1012 and the heating element are started to heat cleaning liquid in the cleaning liquid tank 1011, after preheating is finished, the two-position three-way reversing valve 3 is controlled to be communicated with the liquid inlet manifold 101 and the liquid outlet pipeline 201, under the action of the cleaning pump 2011, the cleaning liquid can be filtered through the filter element firstly, atomized and sprayed out from the low-pressure spray heads 2014 and the high-pressure spray heads 2015 respectively, and then the engine 4 blades are cleaned at different positions with different intensities; after the preliminary cleaning is completed, the liquid inlet manifold 101 is disconnected from the liquid outlet pipeline 201, and the liquid inlet manifold 102 is communicated with the liquid outlet pipeline 201, so that distilled water introduced from the liquid inlet manifold 102 flows into the low-pressure spray head 2014 and the high-pressure spray head 2015 under the double filtration of the primary filtration module 1021 and the secondary filtration module 2012, and finally the back washing of the blades is completed.

The cleaning solution is sprayed to the air inlet of the engine 4 through the low-pressure spray nozzle 2014, so that the cleaning solution can slowly and uniformly wash sundry particles on each blade under the suction of a cold machine of the engine 4; because the rotation speed of the middle turbine blade is higher and the temperature is higher when the aircraft press works, partial sundries are burnt and adhered on the blade and cannot be cleaned by the cleaning liquid of the low-pressure spray head 2014; at this time, the present utility model is provided with the high-pressure nozzle 2015 to locally wash the middle turbine blade at a concentrated and high speed, thereby cleaning the sundry particles with strong adhesion, and the sundry particles flow out towards the air outlet of the engine 4 along with the cleaning liquid of the low-pressure nozzle 2014 under the suction action of the chiller.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. An engine washing apparatus, characterized by comprising:

a liquid inlet module which is provided with a liquid inlet manifold (101) and a water inlet manifold (102), wherein a heating mechanism for heating the cleaning liquid is also arranged on the liquid inlet manifold (101);

and one end of the liquid outlet pipeline (201) is communicated with a high-pressure spray head (2015) and a low-pressure spray head (2014), the other end of the liquid outlet pipeline is communicated with the liquid inlet manifold (101) and/or the water inlet manifold (102), and a cleaning pump (2011) is further arranged on the liquid outlet pipeline (201).

2. The engine washing apparatus of claim 1, wherein: the high-pressure spray heads (2015) are provided with two groups.

3. The engine washing apparatus according to claim 1, characterized in that said intake manifold (101) is in communication with a washing liquid tank (1011), said heating mechanism comprising:

a heating element mounted in the cleaning liquid tank (1011);

and a circulation pump (1012) whose input and output ends are communicated with the cleaning liquid tank (1011) through pipes.

4. The engine washing apparatus of claim 3, wherein: a safety valve (1014) is also mounted on the intake manifold (101) to monitor the pressure in the conduit and relieve the pressure.

5. The engine washing apparatus of claim 4, wherein: one end of the safety valve (1014) is communicated with the liquid inlet manifold (101), the other end of the safety valve (1014) is communicated with the liquid outlet pipeline (201) connected with the output end of the cleaning pump (2011), and when the pressure in the liquid outlet pipeline (201) is higher than a set value, the safety valve (1014) is opened to guide part of cleaning liquid back into the liquid inlet manifold (101).

6. The engine washing apparatus of claim 1, wherein: the water inlet manifold (102) and the liquid inlet manifold (101) are communicated with the cleaning pump (2011) through a two-position three-way reversing valve (3).

7. The engine washing apparatus of claim 1, wherein: the water inlet manifold (102) is provided with a primary filtering module (1021).

8. The engine washing apparatus according to any one of claims 1 to 7, characterized in that: a secondary filter module (2012) is arranged on the liquid outlet pipeline (201).

9. The engine washing apparatus of claim 1, wherein: a flowmeter (2013) is arranged on the liquid outlet pipeline (201).

10. The engine washing apparatus of claim 1, wherein: the liquid inlet modules and the liquid outlet pipelines (201) are arranged on the transportation plate trailer.