CN205966664U - Aircraft lavatory sewer piping cleaning system - Google Patents
Aircraft lavatory sewer piping cleaning system Download PDFInfo
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- CN205966664U CN205966664U CN201620961694.XU CN201620961694U CN205966664U CN 205966664 U CN205966664 U CN 205966664U CN 201620961694 U CN201620961694 U CN 201620961694U CN 205966664 U CN205966664 U CN 205966664U
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- way valve
- mouth
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- plumbing drain
- outlet
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Abstract
The utility model discloses an aircraft lavatory sewer piping cleaning system. This cleaning system is connected with aircraft lavatory sewer piping through external pipeline, forms circulation circuit, makes the sewer piping cleaner circulate in sewer piping under the effect of pressure to reach the abluent effect of aircraft sewer piping detergent. The utility model discloses a system can adopt negative pressure principle work, also can adopt the work of malleation principle, accomplishes that the circulation is clean, clear effectual, efficient. The utility model discloses a system is applicable to the various models of existing operation, and the whole in -process of system's operation does not need artifical the participation, and operating duration is short, and the security is high.
Description
Technical field
This utility model belongs to space technology field and in particular to a kind of aircraft toilet plumbing drain purging system.
Background technology
Boeing, the lavatory of Air Passenger series aircraft are vacuum closets, and after pressing the flush lever of lavatory, the flushing of lavatory is lived
Door is opened.With the pressure differential of aircraft exterior, dirt is discharged into dirty water collecting tank by sewage conduct in soil pipe.Aircraft
When flying height is below 10,000 6 thousand feet, provide necessary negative pressure of vacuum by onboard vacuum pump；Aircraft flight is more than 10,000 6 thousand
During feet, provide necessary vacuum force by the pressure reduction of cabin interior and aircraft exterior air.
The generation of plumbing drain internal dirt and the flying distance using hardness of water, holding flight class and the dirt of main cabin configuration
Water lines move towards relevant.In general, hold that flight class course line is longer, aircraft utilization water water hardness is higher, in plumbing drain
Wall more easily produces dirt, and the dirt of generation is also more difficult to remove.In plumbing drain, dirt is thicker, more dirty in impact pipeline
The flowing of water：The dirt of accumulation is thicker, and sewage bore becomes less and less, and the flow velocity of sewage becomes slower and slower.Sewage reduces flow velocity
Will increase the possibility of blocking, the worst in the case of blocking will lead to the inefficacy of monolateral or whole toilets, adopt at present is clear
Clean method effect bad it is impossible to efficiently solve problem.
Utility model content
This utility model is directed to the deficiencies in the prior art it is proposed that a kind of aircraft toilet plumbing drain purging system, adopts
Negative pressure or malleation are circulated cleaning to plumbing drain, solve a difficult problem for plumbing drain blocking.
A kind of aircraft toilet plumbing drain purging system, the b mouth phase of the first pipeline 4 on reserving liquid tank 1 and the first three-way valve 2
Even, second pipe 5 is connected with a mouth of the second three-way valve 3；The a mouth of the first three-way valve 2 is converged with the b mouth pipeline of the second three-way valve 3
It is connected with filter 6 afterwards, filter 6 is connected with pneumatic diaphragm pump 7, form the first outlet 8 on purging system；Pneumatic diaphragm pump
Pipeline between 7 and reserving liquid tank 1 is provided with the first two way valve 9；Pipeline between pneumatic diaphragm pump 7 and first outlet 8 is provided with
Two two way valves 10；The c mouth of the second three-way valve 3 is the second outlet on purging system；The c mouth of the first three-way valve 2 sets for cleaning
Standby the 3rd upper outlet；Any two outlet in these three outlets is selected to be connected with aircraft plumbing drain 11.
Described reserving liquid tank 1 top is provided with liquid spill-way 12.
Described pneumatic diaphragm pump 7 is connected with effusion meter, and effusion meter is connected with gas flow control valve, and gas flow controls
Valve is connected with external compressed air, provides source of the gas for purging system.
Described reserving liquid tank 1 bottom is provided with sewage draining exit 13.
The beneficial effects of the utility model：System of the present utility model can be using principle of negative pressure work, it would however also be possible to employ
Malleation principle works, and accomplishes circulation cleaning, and the effect of cleaning is good, efficiency high.System of the present utility model is applied to existing operation
Various types, are not required in the whole process of system operation manually to participate in, run time is short, safe.
Brief description
Fig. 1 is plumbing drain purging system schematic diagram of the present utility model；
One of fundamental diagram of Fig. 2 plumbing drain purging system negative-pressure cyclic；
The two of the fundamental diagram of Fig. 3 plumbing drain purging system negative-pressure cyclic；
Fig. 4 is one of fundamental diagram that system of the present utility model adopts during negative pressure；
Fig. 5 is the two of the fundamental diagram that system of the present utility model adopts during negative pressure；
In figure, 1- reserving liquid tank, 2- first three-way valve, 3- second three-way valve, 4- first pipeline, 5- second pipe, 6- filters
Device, 7- pneumatic diaphragm pump, 8- first outlet, 9- first two way valve, 10- second two way valve, 11- aircraft plumbing drain, 12-
Liquid spill-way, 13- sewage draining exit.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality
New protection domain is not limited by specific embodiment.
A kind of aircraft toilet plumbing drain purging system, as shown in figure 1, the first pipeline 4 on reserving liquid tank 1 and the first threeway
The b mouth of valve 2 is connected, and second pipe 5 is connected with a mouth of the second three-way valve 3；The a mouth of the first three-way valve 2 and the b of the second three-way valve 3
Mouth pipeline is connected with filter 6 after converging, and filter 6 is connected with pneumatic diaphragm pump 7, forms the first outlet 8 on purging system；
Pipeline between pneumatic diaphragm pump 7 and reserving liquid tank 1 is provided with the first two way valve 9；Between pneumatic diaphragm pump 7 and first outlet 8
Pipeline is provided with the second two way valve 10；The c mouth of the second three-way valve 3 is the second outlet on purging system；The c of the first three-way valve 2
Mouth is the 3rd outlet on cleaning equipment；Any two outlet in these three outlets is selected to be connected with aircraft plumbing drain 11.
Described reserving liquid tank 1 top is provided with liquid spill-way 12.Described pneumatic diaphragm pump 7 is connected with effusion meter, and effusion meter is controlled with gas flow
Valve connects, and gas flow control valve is connected with external compressed air, provides source of the gas for purging system.Under described reserving liquid tank 1
Portion is provided with sewage draining exit 13.
As shown in Fig. 2 for the fundamental diagram of plumbing drain purging system negative-pressure cyclic, the b mouth of the first three-way valve 2 and the
The b mouth of two three-way valve 3 is closed respectively, and b mouth and the c mouth of the second three-way valve 3 is passed through in second pipe 5 water outlet, by purging system
Second outlet flows into aircraft plumbing drain 11；Start pneumatic diaphragm pump 7, the first three-way valve is flow through in the water outlet of aircraft plumbing drain 11
2 c mouth and a mouth, cross filter 6, pneumatic diaphragm pump 7, finally flow into reserving liquid tank 1, and aircraft plumbing drain 11 forms negative pressure, completes
One work cycle.
As shown in figure 3, for the fundamental diagram of plumbing drain purging system negative-pressure cyclic, a mouth of the first three-way valve 2 and the
The a mouth of two three-way valve 3 is closed respectively, and the water outlet of the first pipeline 4 passes sequentially through b mouth and the c mouth of the first three-way valve 2, goes out through the 3rd
Mouth inflow aircraft plumbing drain 11；Start pneumatic diaphragm pump 7, the water outlet of aircraft plumbing drain 11 flow through second pipe 5 b mouth and
C mouth, crosses filter 6, pneumatic diaphragm pump 7, finally flows into reserving liquid tank 1, and aircraft plumbing drain 11 forms negative pressure, completes an operation
Circulation.
As shown in figure 4, for the fundamental diagram of plumbing drain purging system malleation circulation, a mouth of the first three-way valve 2 and the
The c mouth of two three-way valve 3 is closed respectively, and second pipe 5 water outlet passes sequentially through a mouth and the b mouth of the second three-way valve 3, crosses filter 6,
Pneumatic diaphragm pump 7, finally flows into aircraft plumbing drain 11, and pneumatic diaphragm pump 7 provides positive pressure pressure；Aircraft plumbing drain 11 water outlet
Cross the 3rd outlet, flow successively through c mouth and the b mouth of the first three-way valve 2 by the 3rd outlet, finally flow into reserving liquid tank 1, complete one
Circulation.
As shown in figure 5, for the fundamental diagram of plumbing drain purging system malleation circulation, the c mouth of the first three-way valve 2 and the
The b mouth of two three-way valve 3 is closed respectively, and the water outlet of the first pipeline 4 passes sequentially through b mouth and a mouth of the first three-way valve 2, crosses filter
6, pneumatic diaphragm pump 7, flow into aircraft plumbing drain 11 eventually through first outlet 8, aircraft plumbing drain 11 water outlet is crossed second and gone out
Mouthful, flow successively through c mouth and a mouth of the second three-way valve 3, finally flow into reserving liquid tank 1, complete a circulation.
The performance parameter of aircraft toilet plumbing drain purging system is as follows：
Size：1300x1150x850 (long x width x is high)；
Weight：About 185 kilograms；
Reserving liquid tank：350-400L；
Type of drive：0.8 MPa of compressed air；
Gas flow regulating valve door is installed on the right side of guidance panel.Lower right side is divided into positive pressure system and the selection of negative pressure system
Valve.Two valves select different cleaning ways.
It is 2 pieces of pressure indication tables on left side, one piece is used for showing flushing pressure, pressure is extracted in another piece of display.Under right side
Connect for gas circuit and connect soon, the on off control valve of two air driven pumps.
Shell adopts corrosion-resistant PVC material to make, and water tank is also adopted by corrosion-resistant PVC board and is welded.Valve pipeline is all adopted
With corrosion-resistant PVC material or PP.Pressure indication table adopts stainless steel.
Application said system is rinsed the operating procedure of operation：
(1) first sewage conduct cleaning equipment is put into appropriate location；
(2) demand is cleaned according to aircraft plumbing drain, select malleation circulation or negative-pressure cyclic cleaning；
(3) series connection aircraft plumbing drain and cleaning equipment pipeline, form malleation or negative-pressure vacuum circulation cleaning system；
(4) the whether leak of lavatory pipeline, gas leakage are checked；
(5) connect source of the gas, check whether air gauge reaches specified pressure (0.3Mpa-0.5Mpa)；Cleaning agent is added and sets
In standby container；
(6) open gas source switch, observe whether liquid enters pipeline, and form circulation；
(7) observe whether pipeline has fluid seepage, if any seepage, pass hull closure immediately, overhaul pipeline；
(8) the plumbing drain wash cycles time should refer to aircraft maintenance work card and carries out；
(9), after wash cycles terminate, dismounting filter element is carried out；
(10) withdraw all pipelines, recover each pipe interface by before dismounting.
Claims (4)
1. a kind of aircraft toilet plumbing drain purging system is it is characterised in that the first pipeline (4) and first on reserving liquid tank (1)
The b mouth of three-way valve (2) is connected, and second pipe (5) is connected with a mouth of the second three-way valve (3)；The a mouth of the first three-way valve (2) and
The b mouth pipeline of two three-way valve (3) is connected with filter (6) after converging, and filter (6) is connected with pneumatic diaphragm pump (7), is formed clear
Wash the first outlet (8) in system；Pipeline between pneumatic diaphragm pump (7) and reserving liquid tank (1) is provided with the first two way valve (9)；
Pipeline between pneumatic diaphragm pump (7) and first outlet (8) is provided with the second two way valve (10)；The c mouth of the second three-way valve (3) is
Second outlet on purging system；The c mouth of the first three-way valve (2) is the 3rd outlet on cleaning equipment；Select these three outlets
In any two outlet be connected with aircraft plumbing drain (11).
2. according to claim 1 a kind of aircraft toilet plumbing drain purging system it is characterised in that described reserving liquid tank (1)
Top is provided with liquid spill-way (12).
3. according to claim 1 a kind of aircraft toilet plumbing drain purging system it is characterised in that described pneumatic diaphragm pump
(7) it is connected with effusion meter, effusion meter is connected with gas flow control valve, gas flow control valve is with external compressed air even
Connect, provide source of the gas for purging system.
4. according to claim 1 a kind of aircraft toilet plumbing drain purging system it is characterised in that described reserving liquid tank (1)
Bottom is provided with sewage draining exit (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620961694.XU CN205966664U (en) | 2016-08-26 | 2016-08-26 | Aircraft lavatory sewer piping cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620961694.XU CN205966664U (en) | 2016-08-26 | 2016-08-26 | Aircraft lavatory sewer piping cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205966664U true CN205966664U (en) | 2017-02-22 |
Family
ID=58037730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620961694.XU Active CN205966664U (en) | 2016-08-26 | 2016-08-26 | Aircraft lavatory sewer piping cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205966664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180089A (en) * | 2016-08-26 | 2016-12-07 | 北京雅迪力特航空新材料股份公司 | A kind of aircraft toilet plumbing drain purging system |
-
2016
- 2016-08-26 CN CN201620961694.XU patent/CN205966664U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180089A (en) * | 2016-08-26 | 2016-12-07 | 北京雅迪力特航空新材料股份公司 | A kind of aircraft toilet plumbing drain purging system |
| CN106180089B (en) * | 2016-08-26 | 2018-08-17 | 北京雅迪力特航空新材料股份公司 | A kind of aircraft toilet plumbing drain cleaning system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |