CN107531409A - Leakage preventing device and the tank for being used to transport liquid for being provided with this device - Google Patents
Leakage preventing device and the tank for being used to transport liquid for being provided with this device Download PDFInfo
- Publication number
- CN107531409A CN107531409A CN201680023475.XA CN201680023475A CN107531409A CN 107531409 A CN107531409 A CN 107531409A CN 201680023475 A CN201680023475 A CN 201680023475A CN 107531409 A CN107531409 A CN 107531409A
- Authority
- CN
- China
- Prior art keywords
- tank
- floating body
- flexible pipe
- leakage preventing
- preventing device
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
Abstract
A kind of leakage preventing device (1) for being used to prevent that liquid from leaking out from the tank (2) of damage, the device include：Floating body (4), the floating body can float over liquid level (3) place in tank；And, flexible hose (5), the first end of the flexible pipe is fixed to the floating body and the flexible pipe is fixed to the wall of the tank at attachment point (8) place with the first end a distance away, wherein the flexible pipe freely extends in the inside of the tank between the floating body and the attachment point, and wherein, the second end of the flexible pipe is connectable to the suction side of vavuum pump (9), so as to allow from it is in tank, ullage plenum space (10) via the flexible pipe gas bleeding, so as to produce low pressure in the space.The invention further relates to a kind of tank for being used to transport liquid for being provided with the device.
Description
Technical field and background technology
The present invention relates to according to claim 1 as described in the preamble for preventing liquid from being leaked out from the tank of damage
Leakage preventing device.The invention further relates to a kind of tank for being used to transport liquid for being provided with this device.
Liquid fuel and other kinds of liquid can be transported and store in various types of tanks.If such tank
Such as be damaged due to accident or abrasion, then the liquid in tank may leak into surrounding environment, and this may result in very
More problems, such as damage in goods and materials, in the form of the artificial hidden danger into health and safety near environmental pollution and tank to leakage
Problem.Such as be known a priori by from the A of GB 1 020 581 and the B of DE 1 525 465, can be by being existed by means of vavuum pump
Enough low pressure is produced in the plenum space of ullage in tank come prevent liquid by the leak below the liquid level in tank and
Leak out.
Leakage preventing device is known a priori by from the A1 of WO 87/02650.This device being known a priori by has leakage sealed pad
Form, the leakage sealed pad will be attached to the outer wall of tank, to cover the leak opening in tank skin, so as to prevent gas or
Liquid is flowed out by leak opening from tank.The pad is pressed in the presence of low pressure is produced in the vacuum chamber by means of vavuum pump and in pad
By tank skin.However, the leakage preventing device is only suitable to carry out when it reaches and focuses on the leak provided easy access to of finite region
Use.
Goal of the invention
It is an object of the invention to provide a kind of new and be advantageously used for preventing liquid from letting out from what the tank of damage leaked out
Leak anti-locking apparatus.
The content of the invention
According to the present invention, above-mentioned purpose prevents from filling by the leakage with the feature defined in claim 1
Put to realize.
The leakage preventing device of the present invention includes：
The buoyant floating body of-tool, the buoyancy enable floating body to float at the liquid level in tank, wherein at least the top of floating body
Divide the ullage being located in tank；
- the flexible hose with first end and relative the second end, the first end of the flexible pipe are fixed to floating body
And the flexible pipe with first end attachment point a distance away at be fixed to the wall of tank, wherein the flexible pipe is at this
The inside of tank freely extends between the floating body and the attachment point, and wherein, the second end of the flexible pipe is connected to
Or the suction side of vavuum pump is connectable to, to allow the plenum space from ullage in tank, in tank via this
Flexible pipe gas bleeding, so as to produce low pressure in the space.
Using the leakage preventing device of the present invention, the low of prevent leakage can be realized in the inside of tank in a straightforward manner
Pressure.When liquid is leaked out by the leak below the liquid level in tank from tank (such as when tank is damaged due to accident
When), vavuum pump is by the flexible hose being connected to inside tank and makes vacuum pump operation, so as to from liquid in tank, in tank
Plenum space above face is enough to prevent liquid from continuing through via flexible hose gas bleeding so as to produce in the space
The low pressure that the leak leaks out from tank.At the liquid level that floating body will float in tank all the time, but regardless of tank main gradient such as
What, so as to which floating body may insure that the plenum space of flexible hose and ullage in tank, in tank keeps being in fluid communication.More
Further, even if leak opening is difficult to approach, leakage preventing device of the invention can also be used.
According to one embodiment of present invention, the first end of flexible pipe is fixed to floating body as follows, i.e. soft
Pipe protrudes at the center of floating body from the downside of floating body.Thus, the weight of flexible pipe by the lower vertical by making floating body down
Towards and help to make floating body to keep floating in correct position.
According to another embodiment of the invention, the second end of flexible pipe is connected to stop valve, the stop valve quilt
It can approach fixed to tank and from the outside of tank.Stop valve enables when needing really easily by the flexibility inside tank
Flexible pipe is positioned to connect with vavuum pump, otherwise can easily make flexible hose keep breaking off with surrounding air.
According to another embodiment of the invention, the stop valve is connected to coupling member, and the coupling member is constructed
Corresponding coupling member into the end with being arranged in the suction hose from vavuum pump is releasably engaged.Thus, when true
When needing in fact, vavuum pump can easily and quickly be connected to the flexible hose inside tank.
According to another embodiment of the invention, flexible hose is connected to one or more further stop valves, institute
State further stop valve to be fixed to tank at a segment distance apart and can approach from the outside of tank, wherein each
The further stop valve is connected to coupling member, and it is soft that the coupling member is configured to and be arranged in the suction from vavuum pump
The corresponding coupling member of the end of pipe is releasably engaged.Each stop valve coupling member associated there is formed together
Access point, vavuum pump can be connected to the flexible hose inside tank by the access point.By providing multiple such access points,
Reduce tank be terminated at can not be close to the position of the flexible hose inside tank the relevant risk of accident.
The further favourable feature of the leakage preventing device of the present invention will pass through following description and dependent claims
It is and apparent.
The invention further relates to a kind of tank for being used to transport liquid of feature with defined in claim 11.
The further favourable feature of the tank of the present invention will be by following description and apparent.
Brief description of the drawings
Referring to the drawings, the embodiment of the invention quoted as example is described in detail below.In the accompanying drawings：
Fig. 1 is the schematic longitudinal section for the tank for being provided with leakage preventing device according to an embodiment of the invention,
Fig. 2 is that, as seen, vavuum pump is connected to the flexible hose inside tank through the schematic longitudinal section of Fig. 1 tank,
Fig. 3 is the detailed enlarged drawing of the circle zone III in Fig. 1,
Fig. 4 is the detailed enlarged drawing of the circle zone IV in Fig. 2,
Fig. 5 is the perspective schematic view from the floating body lower section from the leakage preventing device for being included in Fig. 1,
Fig. 6 is the perspective schematic view from above Fig. 5 floating body,
Fig. 7 is the diagrammatic vertical section through Fig. 5 and Fig. 6 floating body,
Fig. 8 is the schematic plan view from above Fig. 5 and Fig. 6 floating body, and
Fig. 9 is the diagrammatic vertical section through the floating body according to substitute variants.
Embodiment
The leakage preventing device 1 of one embodiment of the present of invention is schematically shown in Fig. 1-4.Leakage preventing device 1
It will be used together with the tank 2 for transporting and/or storing liquid, if so that tank is damaged due to accident or abrasion,
Prevent liquid from being leaked out by the hole below liquid level 3 in tank skin, in tank or crack from tank.Therefore, leakage prevents from filling
Tank 2 will be pre-installed to by putting 1, so as to for for possible when tank is damaged so that liquid starts to leak out from tank
Situation is prepared.
Leakage preventing device 1 includes floating body 4, and the floating body is configured to have following buoyancy, and the buoyancy enables floating body 4
Float at the liquid level 3 in tank 2, wherein at least the upper part of floating body 4 is located at the top of liquid level 3 in tank.Leakage preventing device 1 also wraps
Include the flexible hose 5 with first end 6a and relative the second end 6b.The first end 6a of flexible pipe is fixed to floating body 4,
And flexible pipe 5 with first end 6a attachment points 8 a distance away at be fixed to the wall 7 of tank 2, wherein flexible pipe 5 exists
Freely extend between floating body 4 and the attachment point 8 inside tank 2.The second end 6b of flexible pipe is connected to or can connected
To vavuum pump 9 (see Fig. 2) suction side, to allow vavuum pump from liquid level 3 in tank 2, above floating body 4 and in tank
The plenum space 10 of side is via the gas bleeding of flexible pipe 5, so as to which the pressure in the space 10 is reduced into following low value, the low value
Prevent liquid from being leaked by the possible leak below liquid level 3 from tank 2.
In the embodiment illustrated, the second end 6b of flexible pipe is connected to stop valve 11, and the stop valve is fixed to
Tank 2 and it can be approached from the outside of tank.Stop valve 11 is connected to coupling member 13, and the coupling member 13 is configured to and cloth
The corresponding coupling member 14 in the end of the suction hose 15 from vavuum pump 9 is put to be releasably engaged (referring to Fig. 4).
Flexible hose 5 is advantageously connected to two or more stop valves 11, as shown in figs 1-4, this two
Or more stop valve tank 2 is fixed at a segment distance apart and can be approached from the outside of tank 2, wherein each
Stop valve 11 is connected to coupling member 13, and the coupling member 13 is configured to and be arranged in the suction hose from vavuum pump 9
The corresponding coupling member 14 of 15 end is releasably engaged.In shown example, leakage preventing device 1 includes three
Individual stop valve 11 and associated coupling member 13.Stop valve 11 is connected to each other by means of connecting pipe 16, the connecting tube
Road 16 is installed to tank 2 in the outside of tank 2.Alternatively, connecting pipe 16 can be installed in the inside of tank 2.
Each stop valve 11 includes valve member (not shown), the valve member can by means of control member 12 closed position with
Moved between open position.Control member 12 can be for example with bar or handle form.
In the embodiment illustrated, when needing, the suction hose 15 of vavuum pump 9 will be connected to stop valve 11
In one.However, alternatively, leakage preventing device of the invention can be included by inside stop valve 11 and tank 2
The vavuum pump that for good and all connects of flexible hose 5.
As shown in Fig. 5 and Fig. 7, the first end 6a of flexible hose 5 is advantageously fixed to floating as follows
Body 4, i.e. flexible pipe 5 protrudes at the center of floating body from the downside 17a of floating body.In embodiment shown in Fig. 5-9, floating body 4
Suction channel 18 is equipped with, the first end 6a of wherein flexible hose 5 is connected to the bottom 19a of suction channel 18, and
Entrance opening 20 is disposed at the upper end 19b of suction channel 18.Entrance opening 20 be arranged on floating body 4 such as lower part
In, when the part is configured to float over when floating body 4 at the liquid level 3 in tank, above the liquid level 3 in tank 4.Show in shown
In example, central axis of the suction channel 18 along floating body 4 extends to the upside of floating body from the downside 17a of floating body through floating body 4
17b。
It is shown in FIG. 5- FIG. 8 go out embodiment in, the entrance opening 20 of suction channel 18 is disposed in from the upside of floating body 4
The upper end for the pipeline 21 that 17b is protruded, the upper end of wherein pipeline 21 are accommodated in lid 22, and the lid 22 is configured to prevent
Liquid is splashed into suction channel 18 by entrance opening 20.Lid 22 is solid by means of the supporting member 23 in the form of plate or the like
Surely pipeline 21 is arrived, wherein gas is allowed through gap 24 between the inwall of supporting member 23 and lid 22 (in such as Fig. 7 and Fig. 8
It is shown) or flowed into towards the entrance opening 20 of suction channel 18 in lid 20 by the gap in supporting member 23.
In fig.9 in shown embodiment, check-valves 25 is disposed at the entrance opening 20 of suction channel 18, so as to
When plenum space 10 of no gas above the liquid level 3 from tank 2 is extracted via flexible hose 5, entrance opening is kept
Close.Check-valves 25 includes the valve member 26 for example in the form of disk, upper end 19b of the valve member 26 in suction channel 18
Place is removably mounted to floating body 4.By vavuum pump 9 in suction channel 18 in the presence of caused swabbing effect, valve member
26 can be moved to open position from closed position, and in the closed position, valve member 26 covers the entrance opening 20 of suction channel 18
So as to prevent liquid to be splashed into by entrance opening 20 in suction channel 18, in the open position, valve member 26 is away from entrance opening
20 and hang.Stopper element 27 is advantageously arranged at the entrance opening 20 of suction channel 18, to limit valve member 26
Closed position, wherein valve member 26 are configured to abut against the stopper element 27 in its closed position.Valve member 26 is preferably
It is spring load, so as to which it is presented in the presence of the spring force for acting on valve member 26 from spring member (not shown)
Closed position.
Certainly, anyway, the invention is not restricted to above-described embodiment.On the contrary, in such as appended claims are not departed from
In the case of the basic thought of the invention limited, many possibilities modified to the present invention are for the common of this area
It will be apparent for technical staff.
Claims (11)
1. a kind of leakage preventing device for being used to prevent that liquid from leaking out from the tank (2) of damage,Its featureIt is, the leakage
Anti- locking apparatus (1) includes：
The buoyant floating body (4) of-tool, the buoyancy enable the floating body to float over liquid level (3) place in the tank (2), its
In the upper part of at least described floating body (4) be located above the liquid level (3) in the tank (2)；And
- the flexible hose (5) with first end (6a) and relative the second end (6b), the first end of the flexible pipe
(6a) is fixed to the floating body (4) and the flexible pipe (5) is in the attachment with the first end (6a) a distance away
Point (8) place is fixed to the wall (7) of the tank (2), wherein the flexible pipe (5) in the inside of the tank (2) in the floating body (4)
Freely extend between the attachment point (8), and wherein, the second end (6b) of the flexible pipe is connected to or energy
The suction side of vavuum pump (9) is enough connected to, to allow from the liquid level (3) in the tank (2), in the tank (2)
The plenum space (10) of top is via the flexible pipe (5) gas bleeding, so as to produce low pressure in the space (10).
2. leakage preventing device according to claim 1,Its featureIt is, the first end (6a) of the flexible pipe is with such as
Under type is fixed to the floating body (4), i.e. the flexible pipe (5) is at the center of the floating body from the downside of the floating body
(17a) is prominent.
3. leakage preventing device according to claim 1 or 2,Its featureIt is：
- suction channel (18) is disposed with the floating body (4)；
- the suction channel (18) has entrance opening (20) in its upper end, and wherein the entrance opening (20) is disposed in
The floating body (4) as in lower part, the part is configured to float over the liquid level in the tank (2) when the floating body (4)
(3) during place, above the liquid level (3) in the tank (2)；And
The first end (6a) of-flexible pipe is connected to the bottom (19a) of the suction channel (18).
4. leakage preventing device according to claim 3,Its featureIt is, in the entrance of the suction channel (18)
Opening (20) place be disposed with check-valves (25), so as to no gas from the plenum space (10) in the tank (2) via
When the flexible pipe (5) is extracted, remain turned-off the entrance opening.
5. leakage preventing device according to claim 3,Its featureIt is：
The entrance opening (20) of-suction channel (18) is arranged on prominent from the upside of the floating body (4) (17b)
The upper end of pipeline (21)；And
The upper end of-the pipeline (21) is accommodated in lid (22), and the lid is configured to prevent that liquid from passing through described
Entrance opening (20) is splashed into the suction channel (18).
6. according to the leakage preventing device any one of claim 3-5,Its featureBe, the suction channel (18) from
The downside (17a) of the floating body extends to the upside (17b) of the floating body through the floating body (4).
7. according to the leakage preventing device any one of claim 1-6,Its featureIt is, described the second of the flexible pipe
End (6b) is connected to stop valve (11), and the stop valve is fixed to the tank (2) and can be from the outer of the tank (2)
Portion approaches.
8. leakage preventing device according to claim 7,Its featureIt is, the stop valve (11) is connected to connection structure
Part (13), the coupling member are configured to the corresponding of the end to being arranged in the suction hose (15) from vavuum pump (9)
Coupling member (14) be releasably engaged.
9. the leakage preventing device according to claim 7 or 8,Its featureIt is：
- the flexible hose (5) is connected to one or more further stop valves (11), and the further stop valve exists
The tank (2) is fixed at a segment distance apart and can be approached from the outside of the tank (2)；And
- each further stop valve (11) is connected to coupling member (13), and the coupling member is configured to and cloth
The corresponding coupling member (14) in the end of the suction hose (15) from vavuum pump (9) is put to be releasably engaged.
10. leakage preventing device according to claim 9,Its featureIt is, the stop valve (11) is by means of connecting tube
Road (16) and be connected to each other, the connecting pipe is installed to the tank in the outside of the tank or in the inside of the tank
(2)。
11. a kind of tank for being used to transport liquid,Its featureIt is, the tank (2) is equipped with appoints according in claim 1-10
Leakage preventing device (1) described in one.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1550478A SE538812C2 (en) | 2015-04-22 | 2015-04-22 | Leak preventing device and tank for transporting liquid provided with such a device |
| SE1550478-0 | 2015-04-22 | ||
| PCT/SE2016/050330 WO2016171606A1 (en) | 2015-04-22 | 2016-04-15 | Leak preventing device and tank for transporting liquid provided with such a device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107531409A true CN107531409A (en) | 2018-01-02 |
Family
ID=57144452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680023475.XA Pending CN107531409A (en) | 2015-04-22 | 2016-04-15 | Leakage preventing device and the tank for being used to transport liquid for being provided with this device |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20180118454A1 (en) |
| EP (1) | EP3286110A4 (en) |
| JP (1) | JP2018516813A (en) |
| KR (1) | KR20180011093A (en) |
| CN (1) | CN107531409A (en) |
| SE (1) | SE538812C2 (en) |
| WO (1) | WO2016171606A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853888A (en) * | 2019-11-21 | 2020-02-28 | 西安西电变压器有限责任公司 | Transformer vegetable oil tank and transformer oiling system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650293A (en) * | 1970-11-25 | 1972-03-21 | Acf Ind Inc | Floating vent for railway tank car safety relieve valve |
| US3672533A (en) * | 1970-12-03 | 1972-06-27 | Chemagro Corp | Floating vent device |
| US5156109A (en) * | 1989-07-10 | 1992-10-20 | Mo Husain | System to reduce spillage of oil due to rupture of ship's tank |
| US20040234338A1 (en) * | 2003-05-19 | 2004-11-25 | Monroe Thomas K. | Secondary containment monitoring system |
| CA2872993A1 (en) * | 2014-11-28 | 2015-04-16 | David Joseph Lake | Electro vac system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH423379A (en) * | 1961-08-29 | 1966-10-31 | Nicolai Walter | Device on liquid storage containers to prevent liquid leaks and to display or monitor leaks in the storage container |
| DE1222329B (en) * | 1961-08-29 | 1966-08-04 | Walter Nicolai | Method and device for preventing leakage losses on liquid storage containers with negative pressure in the air space of the container |
| DE1525465B1 (en) * | 1963-01-14 | 1970-02-12 | Klug Friedrich A Dipl Math Dip | Device for the automatic control of a vacuum pump for maintaining an internal bottom pressure in a storage container which is lower than the atmospheric ambient pressure |
| GB1027147A (en) * | 1963-09-17 | 1966-04-27 | Laporte Chemical | Venting device |
| DE1233676B (en) * | 1964-03-25 | 1967-02-02 | Fendel Geb | Device for setting a negative pressure in liquid storage tanks |
| US5092259A (en) * | 1989-07-10 | 1992-03-03 | Mo Husain | Inert gas control in a system to reduce spillage of oil due to rupture of ship's tank |
| US5333752A (en) * | 1993-02-18 | 1994-08-02 | Clawson Tank Company | Storage container unit for hazardous liquids |
| JP2013522130A (en) * | 2010-03-11 | 2013-06-13 | ディバーシー・インコーポレーテッド | Exhaust tube apparatus and method |
| DE102010020747A1 (en) * | 2010-05-17 | 2011-11-17 | Jörg Heinz Lohse | Tank transport system for e.g. non-hazardous materials and hazardous materials, has material-moderate plastic foils or side folded tubes provided for resin of hard cell-tank and for inner liner |
-
2015
- 2015-04-22 SE SE1550478A patent/SE538812C2/en unknown
-
2016
- 2016-04-15 US US15/568,039 patent/US20180118454A1/en not_active Abandoned
- 2016-04-15 CN CN201680023475.XA patent/CN107531409A/en active Pending
- 2016-04-15 EP EP16783496.9A patent/EP3286110A4/en not_active Withdrawn
- 2016-04-15 KR KR1020177033084A patent/KR20180011093A/en unknown
- 2016-04-15 WO PCT/SE2016/050330 patent/WO2016171606A1/en active Application Filing
- 2016-04-15 JP JP2017555576A patent/JP2018516813A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650293A (en) * | 1970-11-25 | 1972-03-21 | Acf Ind Inc | Floating vent for railway tank car safety relieve valve |
| US3672533A (en) * | 1970-12-03 | 1972-06-27 | Chemagro Corp | Floating vent device |
| US5156109A (en) * | 1989-07-10 | 1992-10-20 | Mo Husain | System to reduce spillage of oil due to rupture of ship's tank |
| US20040234338A1 (en) * | 2003-05-19 | 2004-11-25 | Monroe Thomas K. | Secondary containment monitoring system |
| CA2872993A1 (en) * | 2014-11-28 | 2015-04-16 | David Joseph Lake | Electro vac system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853888A (en) * | 2019-11-21 | 2020-02-28 | 西安西电变压器有限责任公司 | Transformer vegetable oil tank and transformer oiling system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3286110A4 (en) | 2018-12-05 |
| SE538812C2 (en) | 2016-12-13 |
| EP3286110A1 (en) | 2018-02-28 |
| US20180118454A1 (en) | 2018-05-03 |
| KR20180011093A (en) | 2018-01-31 |
| SE1550478A1 (en) | 2016-10-23 |
| JP2018516813A (en) | 2018-06-28 |
| WO2016171606A1 (en) | 2016-10-27 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180102 |