CN206646468U - A kind of high-efficient movable encloses oily device - Google Patents
A kind of high-efficient movable encloses oily device Download PDFInfo
- Publication number
- CN206646468U CN206646468U CN201720327454.9U CN201720327454U CN206646468U CN 206646468 U CN206646468 U CN 206646468U CN 201720327454 U CN201720327454 U CN 201720327454U CN 206646468 U CN206646468 U CN 206646468U
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- CN
- China
- Prior art keywords
- oil
- pipeline
- air curtain
- oily device
- oil suction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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- Removal Of Floating Material (AREA)
Abstract
The utility model provides a kind of high-efficient movable and encloses oily device, belongs to field of mechanical technique.It solves the problems, such as the poor performance that the existing oil fence encloses oil and oil suction.This high-efficient movable, which encloses oily device, includes towboat, oil pipeline, air curtain pipeline, gas pipeline and several oil suction disks, gas pipeline is located in oil pipeline and forms oil transportation interlayer between the two, towboat is provided with the air compressor connected with gas pipeline and the oil scavenge pump connected with oil transportation interlayer, air curtain pipeline is located at the top of oil pipeline and connected by some connecting tubes with gas pipeline, the side wall of air curtain pipeline is provided with some steam vents, oil suction disk is located at the top of air curtain pipeline, there is oil suction disk side wall to use accumulator made of lipophilic-hydrophobic property material, accumulator is connected by fuel sucking pipe with oil transportation interlayer, ball float is equipped with oil pipeline and air curtain pipeline.Originally enclose oily device by air curtain pipeline, oil pipeline, gas pipeline, oil suction disk matching design, can efficiently enclose oil and oil suction.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of high-efficient movable and encloses oily device.
Background technology
Marine oil overflow accident, not only the marine eco-environment and coastal area economy are caused to have a strong impact on, and to follow-up
Disposal and prevention and control management propose severe challenge.It is the processing most direct effective measures of marine accident to enclose oily device, usually used
Solid Float Type Oil Containment encloses oily device, is made up of float, colony, counterweight.But it is huge to enclose oily device volume, arrangement is cumbersome, difficult.And
When actually enclosing oil, under wave flow action, enclose oily device can not oil suction simultaneously its enclose oiliness and can be gradually reduced, oil spilling also gradual heap
Product, which is crossed, encloses oily device, encloses oil and the poor-performing of oil suction.
Utility model content
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that a kind of high-efficient movable encloses oil
Device, technical problem to be solved in the utility model are：How efficiently to realize and enclose oil and oil suction.
The purpose of this utility model can be realized by following technical proposal：A kind of high-efficient movable encloses oily device, including
Towboat and enclose oily device, it is characterised in that it is described enclose oily device include oil pipeline, air curtain pipeline, gas pipeline and several
Has buoyant oil suction disk, the gas pipeline is located in oil pipeline and shape between gas pipeline and the inwall of oil pipeline
Into oil transportation interlayer, the towboat is provided with air compressor and oil scavenge pump, and the air compressor connects with the gas pipeline,
The oil scavenge pump connects with the oil transportation interlayer of oil pipeline, if the air curtain pipeline be located at the top of the oil pipeline and by
Involvement adapter is connected with the gas pipeline, and some groups of stomatas, the oil suction disk position are additionally provided with the side wall of the air curtain pipeline
In the top of air curtain pipeline, the oil suction disk has accumulator, and the side wall of the accumulator is made of lipophilic-hydrophobic property material,
The accumulator is connected by fuel sucking pipe with the oil transportation interlayer of the oil pipeline, and the air curtain pipeline is floating provided with several
Ball.Alternatively situation, several ball floats also are provided with the oil pipeline.
Oil transportation interlayer is oil transportation channel, connects oil scavenge pump, is depressured oil suction, by whole gas pipeline one meter of depth under water, drop
The low influence of ocean current, has good sea-keeping.The side wall of accumulator is made of lipophilic-hydrophobic property material, can block sea
Water enters, and realizes oil suction.
The air curtain pipeline and food tray are located at the both sides of oil pipeline axis respectively.
Up- coiler is disposed on towboat, in use, the one end for enclosing oily device is set on the winder, other end is fixed on small
, can be quickly by preprepared air curtain pipeline, oil pipeline, gas transmission by up- coiler on type ship or other driven equipments
Pipeline and oil suction disk are released, air curtain pipeline, oil pipeline, gas pipeline and oil suction disk by an other small boat or other
Driven equipment dragging carries out enclosing oil, and air curtain pipeline is located at the outside in the oil containment zone domain surrounded by oil pipeline, the food tray
Air compressor on the inner side in the oil containment zone domain surrounded by oil pipeline, towboat supplies to gas pipeline, air curtain pipeline
Start outwards exhaust and form bubble, oil scavenge pump is opened, starts to enclose oil, then slowly reduces and encloses pasta product, oil film is thickening, oil suction disk
Start oil suction, the fluid in seawater enters in accumulator, and the oil in accumulator is transported to towboat by oil scavenge pump by oil transportation interlayer
On, it can efficiently enclose oil and oil suction.
Air curtain pipeline is outwards vented, and forms bubble, and bubble rises rapidly in water body, in uphill process between bubble constantly
Rupture restructuring forms new bubble, and carries out energy exchange with surrounding liquid, drives surrounding liquid to move upwards, forms bubble plumage
Stream.Gas bubble oil, i.e., a kind of gas-liquid two-phase mixed flow, it is the opposite water of both direction to rise to up to suddenly change during free surface
Flat surface stream, surface stream have certain energy of flow, can effectively stop the diffusion of oil spilling, play it is good enclose oily effect,
Another aspect bubble discharges from water body and forms air curtain, with whole current geo-stationary, substantially reduces current to enclosing oily effect
Influence, disclosure satisfy that enclosing oily device plays good oily effect of enclosing in the case where there is current, improve and originally enclose the anti-of oily device
Stormy waves ability, avoid oil spilling from overflowing across under wave action and enclose oily device.
There is the oil-sucking hole connected with accumulator in above-mentioned high-efficient movable encloses oily device, on the oil suction disk, inhale
It is connected with oil suction flexible pipe on oilhole, the free end of oil suction flexible pipe is swum on the water surface and end is towards the water surface, the accumulator
Interior to be provided with boost pump, the boost pump connects with the oil-sucking hole.By the setting of oil-sucking hole and boost pump, oil suction can be accelerated
Speed.
In above-mentioned high-efficient movable encloses oily device, the top of the oil suction disk has what is filled by flexible buoyancy material
Buoyancy chamber, bottom are above-mentioned accumulator, and the oil-sucking hole is located at the top of the accumulator and close buoyancy chamber, the oil suction are soft
Pipe is made of elastomeric material.The position of oil-sucking hole uses above-mentioned design, and the oil suction flexible pipe connected with oil-sucking hole is used
Elastomeric material is made, and several floating blocks are provided with oil suction flexible pipe, and oil suction flexible pipe is soft, can be floated back and forth with wave
It is dynamic, and the water surface is in all the time, it is unlikely to suck too many water body so that oil-sucking hole can be carried out not by oil suction flexible pipe all the time
Discontinuously oil suction operation, so as to reduce influence of the wave to oil suction disk, improve oil recovery efficiency.
In above-mentioned high-efficient movable encloses oily device, also there is plasticity separating plate between the air curtain pipeline and oil suction disk
Layer, the plasticity separation flaggy are more than the oily organic material for being less than water using not soluble in water and oily and density and are made.Oil is than water
Density is small, and the density of crude oil is 0.81t/m3, and the density of seawater is 1.025t/m3, plasticity separation flaggy is by organic matter system
Into the organic matter has the characteristics of bigger than the density of oil slick, smaller than the density of seawater, and does not dissolve in seawater and crude oil, also not
Cause environmental pollution.Plasticity separation flaggy is arranged between air curtain pipeline and oil suction disk, can be located at most sump oil and divide
Above absciss layer, and seawater is located at the lower section of separating layer, can realize preliminary water-oil separating, improves the efficiency of skimming.
Specifically, the oil suction flexible pipe is located at the top of plasticity separation flaggy, and plasticity separation flaggy carries out preliminary oil
After water separation, oil reservoir is siphoned away by oil suction flexible pipe, improves the efficiency of skimming, water body is reduced and is drawn into by oil suction flexible pipe
Ratio in food tray.
In above-mentioned high-efficient movable encloses oily device, shifted to install between some groups of stomatas.Stomata shifts to install, can
More preferably, more effectively realize and enclose oil.
In above-mentioned high-efficient movable encloses oily device, adjacent two stomata spaced sets, and adjacent two
The spacing of the individual stomata is 5~8mm, a diameter of 2~3mm of the stomata.
In above-mentioned high-efficient movable encloses oily device, the ball float on the air curtain pipeline is arranged at intervals successively, phase
Spacing between adjacent ball float is 8~15m.More preferably 10~12m.
In above-mentioned high-efficient movable encloses oily device, the air curtain pipeline is suspended in below the water surface by ball float traction, and
The top surface of air curtain pipeline and the spacing of the water surface are 20~30cm.
In above-mentioned high-efficient movable encloses oily device, the oil suction disk is arranged at intervals successively, and adjacent oil suction disk
Spacing is 20~30m.The spacing of oil suction disk is more preferably 25~28m, and the above-mentioned of oil suction disk is designed to so that oil suction disk
Adsorption range is 10~15m2, comprehensive Design is more excellent.
In above-mentioned high-efficient movable encloses oily device, the air curtain pipeline is flexible nylon pipe.Air curtain pipeline is ellipse
The flexible nylon pipe in section, seawater corrosion resistance is flexible, is not easy complications.
Compared with prior art, this high-efficient movable, which encloses oily device, has advantages below：
1st, the matching design of air curtain pipeline, oil pipeline, gas pipeline, oil suction disk, air compressor and oil scavenge pump, can
Efficiently enclose oil and oil suction.
2nd, the Position Design of oil-sucking hole, and the oil suction flexible pipe connected with oil-sucking hole is made of elastomeric material, oil suction
Flexible pipe can be swum on the water surface, oil-sucking hole is carried out oil suction operation incessantly by oil suction flexible pipe all the time, so as to subtract
Influence of the rips to oil suction disk, improves oil recovery efficiency.
3rd, plasticity separation flaggy is arranged between air curtain pipeline and oil suction disk, and most sump oil can be made to be located at separating layer
Above, and the water surface is located at the lower section of separating layer, can realize preliminary water-oil separating, improve the efficiency of skimming.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of oil suction disk.
Fig. 3 is the local structural graph of air curtain pipeline.
Schematic diagram when Fig. 4 is air curtain pipeline air exhaust water.
Fig. 5 is the structural representation of cross section of the present utility model.
In figure, 1, towboat；2nd, oil pipeline；2a, oil transportation interlayer；3rd, air curtain pipeline；3a, stomata；4th, gas pipeline；5th, inhale
Food tray；5a, accumulator；5b, buoyancy chamber；5c, oil-sucking hole；6th, air compressor；7th, oil scavenge pump；8th, connecting tube；9th, fuel sucking pipe；
10th, ball float；11st, plasticity separation flaggy.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As Figure 1-5, this high-efficient movable encloses oily device, including towboat 1 and encloses oily device.
Enclosing oily device includes oil pipeline 2, air curtain pipeline 3, gas pipeline 4 and several buoyant oil suction disks 5 of tool.It is defeated
Feed channel 4 is located in oil pipeline 2 and oil transportation interlayer 2a, towboat 1 is formed between the inwall of gas pipeline 4 and oil pipeline 2
Air compressor 6 and oil scavenge pump 7 are provided with, air compressor 6 connects with gas pipeline 4, and oil scavenge pump 7 is defeated with oil pipeline 2
Oily interlayer 2a connections.Air curtain pipeline 3 is flexible nylon pipe, and seawater corrosion resistance is flexible, is not easy complications, air curtain pipeline 3 is positioned at defeated
The top of oil-piping 2 and connected by some connecting tubes 8 with gas pipeline 4, if being equipped with oil pipeline 2 and air curtain pipeline 3
Dry ball float 10.
Specifically, the air curtain pipeline 3 and food tray 5 are located at the both sides of the axis of oil pipeline 2 respectively.
Set as shown in figure 3, being additionally provided with the side wall of air curtain pipeline 3 and being misplaced between some groups of stomatas 3a, some groups of stomata 3a
Put.Oil suction disk 5 is located at the top of air curtain pipeline 3, and the top of oil suction disk 5 has the buoyancy chamber 5b filled by flexible buoyancy material,
Bottom has accumulator 5a, and accumulator 5a side wall is made of lipophilic-hydrophobic property material, accumulator 5a by fuel sucking pipe 9 with
The oil transportation interlayer 2a connections of oil pipeline 2.
Air curtain pipeline 3 can be provided buoyancy by ball float 10 and be suspended in underwater 20~30cm, and ball float 10 arranges one every 10 meters
Individual offer buoyancy.Oil suction disk 5 is overall soft, and its bottom surface can be attached at the water surface, good with ripple, and a suction is arranged every 20~30m
Food tray 5, it is 10~15m that can cause the adsorption range of oil suction disk 52, synthesis sets more economical reasonable.Oil transportation interlayer 2a leads to for oil transportation
Road, oil scavenge pump 7 is connected, be depressured oil suction, by whole gas pipeline 4 one meter of depth under water, reduce the influence of ocean current, had fine
Sea-keeping.Accumulator 5a side wall is made of lipophilic-hydrophobic property material, can be blocked seawater entrance, be realized oil suction.
Up- coiler is disposed on towboat 1, in use, the one end for enclosing oily device is set on the winder, other end is fixed
, can be quickly by preprepared air curtain pipeline 3, oil pipeline by up- coiler in small boat or other driven equipments
2nd, gas pipeline 4 and oil suction disk 5 are released, and air curtain pipeline 3, oil pipeline 2, gas pipeline 4 and oil suction disk 5 are small by other one
Type ship or the dragging of other driven equipments carry out enclosing oil, and air curtain pipeline 3 is positioned at the oil containment zone domain surrounded by oil pipeline 2
Outside, 6 gas transmissions of air compressor of the food tray 5 on the inner side in the oil containment zone domain surrounded by oil pipeline 2, towboat 1
Pipeline 4 is supplied, and oil scavenge pump 7 is opened, and starts to enclose oil, is then slowly reduced and is enclosed pasta product, and oil film is thickening, and oil suction disk 5 starts oil suction,
Fluid in seawater enters in accumulator 5a, and the oil in accumulator 5a is transported to towboat 1 by oil scavenge pump 7 by oil transportation interlayer 2a
On, it can efficiently enclose oil and oil suction.
Air curtain pipeline 3 is outwards vented, and forms bubble, and bubble rises rapidly in water body, in uphill process between bubble not
Disconnected rupture restructuring forms new bubble, and carries out energy exchange with surrounding liquid, drives surrounding liquid to move upwards, forms bubble
Plume.Gas bubble oil, i.e., a kind of gas-liquid two-phase mixed flow, it is that both direction is opposite to rise to up to suddenly change during free surface
Water-glass surface current, surface stream have certain energy of flow, can effectively stop the diffusion of oil spilling, play and good enclose oily effect
Fruit, another aspect bubble discharge from water body and form air curtain, with whole current geo-stationary, substantially reduce current to enclosing oily effect
The influence of fruit, it disclosure satisfy that enclosing oily device plays good oily effect of enclosing in the case where there is current, oily device is originally enclosed in raising
Capacity of anti-storm, avoid oil spilling from overflowing across under wave action and enclose oily device.
Specifically, as shown in Fig. 2 having the oil-sucking hole 5c connected with accumulator 5a, oil-sucking hole 5c to be located on oil suction disk 5
Oil suction flexible pipe is connected with accumulator 5a top and close buoyancy chamber 5b, oil-sucking hole 5c, oil suction flexible pipe uses elastomeric material system
Into,
Several floating blocks are provided with oil suction flexible pipe, oil suction flexible pipe is soft, can be floated back and forth with wave, and
All the time the water surface is in, is unlikely to suck too many water body so that oil-sucking hole 5c can be carried out uninterrupted by oil suction flexible pipe all the time
Ground oil suction operation, so as to reduce influence of the wave to oil suction disk 5, improve oil recovery efficiency.
Boost pump is provided with accumulator 5a, boost pump connects with oil-sucking hole 5c, can accelerate swelling rate.
Also there is plasticity to separate flaggy 11 between air curtain pipeline 3 and oil suction disk 5, oil is smaller than the density of water, crude oil it is close
Spend for 0.81t/m3, and the density of seawater is 1.025t/m3, plasticity separation flaggy 11 is more than using not soluble in water and oily and density
The organic material that oil is less than water is made, and will not cause environmental pollution, most sump oil can be made to be located above separating layer, and extra large
Water level can realize preliminary water-oil separating, improve the efficiency of skimming in the lower section of separating layer.
Specifically, the oil suction flexible pipe is located at the top of plasticity separation flaggy 11, and plasticity separation flaggy 11 is carried out tentatively
Water-oil separating after, oil reservoir is siphoned away by oil suction flexible pipe, improves the efficiency of skimming, water body is reduced and is sucked by oil suction flexible pipe
To the ratio in oil suction disk.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. a kind of high-efficient movable encloses oily device, including towboat (1) and the oil fence, it is characterised in that the oil fence includes defeated
Oil-piping (2), air curtain pipeline (3), gas pipeline (4) and several buoyant oil suction disks (5) of tool, the gas pipeline (4)
It is located in oil pipeline (2) and oil transportation interlayer (2a) is formed between the inwall of gas pipeline (4) and oil pipeline (2), it is described
Towboat (1) is provided with air compressor (6) and oil scavenge pump (7), and the air compressor (6) connects with the gas pipeline (4),
The oil scavenge pump (7) connects with the oil transportation interlayer (2a) of oil pipeline (2), and the air curtain pipeline (3) is located at the oil pipeline
(2) top and connected with the gas pipeline (4) by some connecting tubes (8), also set in the side wall of the air curtain pipeline (3)
There are some groups of stomatas (3a), the oil suction disk (5) is located at the top of air curtain pipeline (3), and the oil suction disk (5) has accumulator
(5a), the side wall of the accumulator (5a) are made of lipophilic-hydrophobic property material, the accumulator (5a) by fuel sucking pipe (9) with
The oil transportation interlayer (2a) of the oil pipeline (2) is connected, and several are equipped with the oil pipeline (2) and air curtain pipeline (3)
Ball float (10).
2. a kind of high-efficient movable according to claim 1 encloses oily device, it is characterised in that has on the oil suction disk (5)
There is the oil-sucking hole (5c) connected with accumulator (5a), oil suction flexible pipe is connected with oil-sucking hole (5c), is set in the accumulator (5a)
There is boost pump, the boost pump connects with the oil-sucking hole (5c).
3. a kind of high-efficient movable according to claim 2 encloses oily device, it is characterised in that the oil suction disk (5) it is upper
Portion has the buoyancy chamber (5b) filled by flexible buoyancy material, and bottom is above-mentioned accumulator (5a), and the oil-sucking hole (5c) is located at
The top of the accumulator (5a) and close to buoyancy chamber (5b), the oil suction flexible pipe is made of elastomeric material.
4. a kind of high-efficient movable according to claim 1 or 2 or 3 encloses oily device, it is characterised in that the air curtain pipeline
(3) also there is plasticity to separate flaggy (11) between oil suction disk (5), the plasticity separation flaggy (11) is using not soluble in water and oily
And density is more than oil and is made less than the organic material of water.
5. a kind of high-efficient movable according to claim 1 or 2 or 3 encloses oily device, it is characterised in that some groups of stomatas
Shifted to install between (3a).
6. a kind of high-efficient movable according to claim 5 encloses oily device, it is characterised in that two adjacent stomatas
(3a) spaced set, and the spacing of adjacent two stomatas (3a) is 5~8mm, the stomata (3a) a diameter of 2~
3mm。
7. a kind of high-efficient movable according to claim 6 encloses oily device, it is characterised in that positioned at the air curtain pipeline
(3) ball float (10) on is arranged at intervals successively, and the spacing between adjacent ball float (10) is 8~15m.
8. a kind of high-efficient movable according to claim 7 encloses oily device, it is characterised in that the air curtain pipeline (3) by
Ball float (10) traction is suspended in below the water surface, and the spacing of the top surface of air curtain pipeline (3) and the water surface is 20~30cm.
9. a kind of high-efficient movable according to claim 8 encloses oily device, it is characterised in that the oil suction disk (5) is successively
It is arranged at intervals, and the spacing of adjacent oil suction disk (5) is 20~30m.
10. a kind of high-efficient movable according to claim 1 or 2 or 3 encloses oily device, it is characterised in that the air curtain tube
Road (3) is flexible nylon pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720327454.9U CN206646468U (en) | 2017-03-30 | 2017-03-30 | A kind of high-efficient movable encloses oily device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720327454.9U CN206646468U (en) | 2017-03-30 | 2017-03-30 | A kind of high-efficient movable encloses oily device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206646468U true CN206646468U (en) | 2017-11-17 |
Family
ID=60279355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720327454.9U Expired - Fee Related CN206646468U (en) | 2017-03-30 | 2017-03-30 | A kind of high-efficient movable encloses oily device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206646468U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884416A (en) * | 2017-03-30 | 2017-06-23 | 浙江海洋大学 | A kind of high-efficient movable encloses oily device |
| CN110528488A (en) * | 2019-09-25 | 2019-12-03 | 永康市能泽科技有限公司 | A kind of oil slick polluted water region processing unit |
| CN110805011A (en) * | 2019-11-11 | 2020-02-18 | 武汉理工大学 | Multipurpose dirt separating device based on bubble plume technology |
-
2017
- 2017-03-30 CN CN201720327454.9U patent/CN206646468U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884416A (en) * | 2017-03-30 | 2017-06-23 | 浙江海洋大学 | A kind of high-efficient movable encloses oily device |
| CN106884416B (en) * | 2017-03-30 | 2022-05-24 | 浙江海洋大学 | High-efficient portable oil containment device |
| CN110528488A (en) * | 2019-09-25 | 2019-12-03 | 永康市能泽科技有限公司 | A kind of oil slick polluted water region processing unit |
| CN110528488B (en) * | 2019-09-25 | 2020-10-27 | 永康市能泽科技有限公司 | Floating oil polluted water area treatment device |
| CN110805011A (en) * | 2019-11-11 | 2020-02-18 | 武汉理工大学 | Multipurpose dirt separating device based on bubble plume technology |
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Granted publication date: 20171117 |