CN111318541A - Double-interface response foldable underwater oil leakage collecting cover - Google Patents
Double-interface response foldable underwater oil leakage collecting cover Download PDFInfo
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- CN111318541A CN111318541A CN201811537795.4A CN201811537795A CN111318541A CN 111318541 A CN111318541 A CN 111318541A CN 201811537795 A CN201811537795 A CN 201811537795A CN 111318541 A CN111318541 A CN 111318541A
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- cover
- oil
- interface
- main cylinder
- water interface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Abstract
The invention provides a double-interface response foldable underwater leaked oil collecting cover which mainly comprises a main cylinder body, an autonomous air release liquid sealing valve, a liquid discharge interface, an oil-water interface detection sensor, cover cloth, a cover rib and an anchoring piece, wherein the autonomous air release liquid sealing valve is arranged on the main cylinder body; the lower part of the outer side of the main cylinder body is hinged with at least 3 cover bones, the bottom end of the main cylinder body is hermetically connected with the top opening of the cover cloth to form a complete cover body, the top cover of the main cylinder body is connected with an automatic air release liquid sealing valve and a liquid discharge interface, the cover cloth is attached to the cover bones, the bottom ends of the cover bones are provided with anchoring parts, an oil-water interface detection sensor is arranged on the inner side of the main cylinder body, and a transmission cable of the oil-water interface detection sensor penetrates; the valve core of the automatic air release liquid seal valve responds according to the existence of gas in the cover, and the oil-water interface detection sensor responds along with the change of the oil-water interface. The collecting cover is covered above a water bottom leakage point when in work, can automatically release gas to cover oil leakage, and can measure the oil-water interface in the cover. This collect and cover collapsible less space that occupies during daily deposit and transportation.
Description
Technical Field
The invention relates to the technical field of offshore oil and marine environmental protection, in particular to a double-interface response folding type underwater leaked oil collecting cover for underwater leaked oil emergency recovery.
Background
At present, offshore leaked oil collection is divided into water surface collection and underwater collection, the water surface collection is a main mode, an oil spilling cleaning boat, an oil containment boom, an oil absorption felt, an oil skimmer and the like are adopted to recover spilled oil, the underwater oil collection mode is less in use, a concrete cover and the like are used for collection and then are conveyed to a water surface ship, and a flexible collection cover is also used but is not applied.
The main advantages of collecting above the water surface are mature technology, complete matching of operation facilities and large pollution area due to the diffusion of leaked oil on the sea surface; the underwater leaked oil collection has the advantages of basically collecting from the source, small pollution and difficult operation without special emergency material equipment storage.
The underwater leaked oil collecting cover is divided into a rigid collecting cover and a flexible collecting cover. The underwater leaked oil collecting cover with a rigid structure is made of concrete or steel materials, and has the advantages of large self weight, large volume, difficult storage and difficult installation. The patent CN201220040339.0 (an underwater oil leakage soft collecting cover) is simple and easy to store, but has almost no fixed supporting point, and is difficult to connect with instruments and equipment for measurement and control and external transmission during underwater application.
The prior art or the patent does not consider gas leakage which is often accompanied with underwater oil leakage, the gas has too large buoyancy for collecting and storing under water due to too small density, hydrate can be formed to block an output pipeline, meanwhile, the gas has very small pollution to the sea, and the recovery of the gas can not be considered during emergency disposal, so that the oil leakage underwater collecting cover provided with the automatic air release device is necessary.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a double-interface response folding type underwater leaked oil collecting cover which is used for emergency collection of damaged leaked oil of submarine pipelines, oil wells and the like and can be used as a spare product for relatively convenient storage.
The invention is realized by the following technical scheme:
the invention relates to a double-interface response foldable underwater leaked oil collecting cover, which consists of a main cylinder body, an autonomous air-release liquid-sealing valve, a liquid discharge interface, an oil-water interface detection sensor, cover cloth, a cover rib and an anchoring piece, wherein the main cylinder body is provided with a plurality of air-release liquid-sealing valves; the main cylinder body is vertically placed when in work, the lower part of the outer side of the main cylinder body is hinged with at least one cover rib, the bottom end of the main cylinder body is hermetically connected with the top opening of the cover cloth to form a complete cover body, a special opening is formed in the top cover of the main cylinder body and is fixedly connected with an automatic air release liquid seal valve and a liquid discharge interface, the cover cloth is attached to the cover rib and transmits the main external force to the cover rib, an anchoring part is arranged at the bottom end of the cover rib, an oil-water interface detection sensor is arranged on the inner side of the main cylinder body; the external part of the automatic gas release liquid seal valve is positioned in an environmental water body, the internal part of the automatic gas release liquid seal valve is positioned in gas, liquid or gas-liquid two-phase body, a valve core of the automatic gas release liquid seal valve responds according to a gas-liquid interface, and an oil-water interface detection sensor responds along with the change of an oil-water interface.
The automatic air release liquid seal valve is vertically installed, the specific gravity of the valve core is between 0.2 and 0.6, when gas exists in the main cylinder body, the buoyancy of the valve core is obviously lower than that of the valve core filled with liquid, the valve core is opened under the action of gravity, the gas is automatically discharged, and otherwise, the valve core is closed.
The liquid discharge interface of the invention extends into the inner side of the top cover of the main cylinder body by a proper distance and is provided with a sliding air-blocking ring and a movable tongue which are arranged in the inner cavity of the liquid discharge interface.
The oil-water interface detection sensor has the carrier specific weight between 072-0.96, and an angular displacement sensor is coaxially and watertight arranged at a rotating shaft of the sensor to continuously output interface change signals; an ultrasonic sensor can also be arranged to continuously measure the oil-water interface or an interface of a proximity switch indicating a specific position is arranged.
The invention has the following advantages:
(1) the whole set of double-interface response folding type underwater leaked oil collecting cover only collects oil and does not collect gas underwater, excessive buoyancy force cannot be generated, the collecting device is filled rapidly, marine pollution is effectively controlled, and systematic underwater temporary storage is convenient to realize.
(2) Basically having the advantages of a flexible collecting cover and a rigid collecting cover. The flexible collecting cover has the advantages that the rigid collecting cover is easy to connect measurement and control instrument equipment and an external pipeline, and meanwhile, the flexible collecting cover is foldable and easy to store.
(3) Low cost, small volume, and convenient storage, transportation and carrying.
(4) Based on the advantages, the emergency operation condition early-stage rapid adoption is particularly suitable, and the time is won for taking follow-up measures.
Drawings
FIG. 1 is a cross-sectional view of the working state of a dual interface responsive folding underwater leak collection enclosure of the present invention;
FIG. 2 is a cross-sectional view of a double-interface responsive stowable underwater leak collection enclosure;
FIG. 3 is a schematic structural view of an autonomous gas release liquid seal valve and a liquid discharge interface;
in the figure: the device comprises a main cylinder body 1, a 2-automatic air-release liquid-seal valve, a 2 a-valve core, a 3-liquid discharge interface, a 3 a-air-blocking slide ring, a 3 b-movable tongue, a 3 c-air-blocking slide ring ejector rod, a 3 d-movable tongue floating block, a 4-oil-water interface detection sensor, 5-cover cloth, 6-cover ribs and 7-anchoring parts.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example one
As shown in fig. 1 and 2, a double-interface response foldable underwater leaked oil collecting cover comprises a main cylinder body 1, an autonomous air release and liquid sealing valve 2, a liquid discharge interface 3, an oil-water interface detection sensor 4, a cover cloth 5, a cover rib 6 and an anchoring piece 7; the main cylinder body 1 is vertically placed when in work, the lower part of the outer side of the main cylinder body 1 is hinged with at least 3 cover ribs 6, the bottom end of the main cylinder body 1 is hermetically connected with an opening at the top of the cover cloth 6 to form a complete cover body, a special opening is formed in the top cover of the main cylinder body 1 and is fixedly connected with the main air-release liquid-sealing valve 2 and the liquid discharge interface 3, the cover cloth 5 is attached to the cover ribs 6 and transmits the main external force to the cover ribs 6, the bottom end of the cover ribs 6 is provided with an anchoring part 7, the oil-water interface detection sensor 4 is arranged on the inner side of the main; the external part of the automatic gas release liquid seal valve 2 is positioned in an environmental water body, the internal part is positioned in gas, liquid or gas-liquid two-phase body, a valve core of the automatic gas release liquid seal valve responds according to a gas-liquid interface, and an oil-water interface detection sensor 4 responds along with the change of the oil-water interface.
As shown in fig. 3, the autonomous gas release liquid seal valve 2 is vertically installed, a valve core 2a of the autonomous gas release liquid seal valve can slide in a valve body, the specific gravity of the whole (including a closed cavity for adjustment possibly existing) is between 0.2 and 0.6, when gas exists in the main cylinder body 1, the gas is automatically filled into a valve cavity with a small top volume, the buoyancy borne by the valve core 2a of the autonomous gas release liquid seal valve is rapidly reduced and is obviously lower than that of the valve cavity filled with the liquid, the valve core is opened under the action of gravity, the gas is automatically discharged, and the liquid level rises. On the contrary, when the main cylinder 1 is filled with liquid, the liquid flows into the valve cavity, the buoyancy borne by the valve core 2a of the autonomous air-release liquid-sealing valve is rapidly improved, and the valve core 2a of the autonomous air-release liquid-sealing valve slides upwards to be closed, so that the autonomous air-release liquid-sealing is realized. The lower limit of the overall specific gravity of the valve core 2a of the automatic air release liquid seal valve considers the specific gravity of the optional pressure-resistant material, the upper limit of the specific gravity ensures that a certain buoyancy margin still exists in the light oil product, and a cavity for adjusting the specific gravity can be arranged in the valve core 2a of the automatic air release liquid seal valve according to the requirement.
As shown in fig. 1 and 2, the specific gravity of the carrier of the oil-water interface detection sensor 4 is between 0.72 and 0.96, the specific gravity of the carrier is smaller than that of water and larger than that of oil, and an angular displacement sensor coaxially and watertight mounted at a rotating shaft of the oil-water interface detection sensor is driven at the oil-water interface to continuously output an interface change signal, wherein the signal can indicate the oil leakage collection amount and control the start and stop of an output facility. The angular displacement sensor has the advantages that output signals are sensitive and continuous, and the angular displacement sensor belongs to a scheme of preference.
As shown in fig. 3, the liquid discharge port 3 protrudes into the inside of the top cover of the main cylinder 1 by a proper distance, a side wall through hole is formed in the lower side wall of the top cover of the main cylinder 1, an air-blocking slip ring 3a is arranged in the inner cavity of the liquid discharge port 3, a through hole is formed in the lower side wall of the air-blocking slip ring 3a, a movable tongue 3b is arranged at the inlet of the bottom of the liquid discharge port 3, an air-blocking slip ring ejector rod 3c is fixed on one side of the bottom of the air-blocking slip ring 3a, a movable tongue floating block 3d is fixed on the movable tongue 3b, the specific gravity of the movable tongue floating block 3d is similar to that of a carrier of the oil-water interface detection sensor 4, the specific gravity. When dirty oil is accumulated on the upper part of the main cylinder 1, the movable tongue 3b of the liquid discharge port 3 is in an open state, the choke slip ring 3a blocks the through hole on the side wall of the liquid discharge port 3 at this time, and in a normal state, when gas exists in the main cylinder 1, the gas cannot be discharged from the liquid discharge port 3 but is discharged from the autonomous gas discharge liquid seal valve 2 with a higher position. When water is submerged at the bottom inlet of the liquid discharge interface 3, the movable tongue 3b seals the inlet of the liquid discharge interface 3 under the buoyancy action of the movable tongue floating block 3d and can send out an electric signal. When the collecting cover is ready to be removed, in order to discharge the residual oil in the dead space in the main cylinder 1 in the normal state, it is necessary to open the side wall through hole of the liquid discharge port 3 blocked by the sliding choke ring 3 a. At this time, the movable tongue 3b pushes the anti-slip gas ring 3a through the anti-slip gas ring push rod 3c, and the side wall through hole of the liquid discharge port 3 is aligned with the side wall through hole of the anti-slip gas ring 3a, so that residual oil (possibly containing a small amount of gas) in the dead volume space in the normal state in the main cylinder 1 can be discharged.
Example two
The second embodiment is substantially the same as the first embodiment, except that: the oil-water interface detection sensor 4 is replaced by a proximity switch, and at least 2 proximity switches are fixed at different heights in the collection cover on the basis of the main cylinder body 1. The proximity switch has the advantages of low price and high reliability, and has the defect that continuous monitoring of interface change is difficult to realize.
EXAMPLE III
The third embodiment is substantially the same as the first embodiment, except that: the oil-water interface detection sensor 4 is replaced by an ultrasonic sensor. The ultrasonic sensor has the advantages of wide measurement range and the defects of high power consumption and easy false alarm of non-uniform media.
Claims (7)
1. A foldable two interface response cover is collected to oil leak under water, characterized by: mainly comprises a main cylinder body (1), an autonomous air release liquid seal valve (2), a liquid discharge interface (3), an oil-water interface detection sensor (4), cover cloth (5), a cover rib (6) and an anchoring piece (7); the articulated cover bone (6) of being no less than 3 of main barrel (1) outside lower part, the bottom of main barrel (1) is the complete cover body with the open-top sealing connection of cover cloth (6), it independently releases gas and seals liquid valve (2) and liquid discharge interface (3) to open special mouthful fixed connection on the top cap of main barrel (1), cover cloth (5) are attached to in cover bone (6), anchor assembly (7) set up in cover bone (6) bottom, oil water interface detection sensor (4) are installed in main barrel (1) inboard, its transmission cable passes main barrel (1) outside.
2. The foldable underwater oil leakage collection cover with double interface responses as claimed in claim 1, wherein the liquid discharge port (3) is inserted into the top cover of the main cylinder (1), and a sliding air blocking ring (3 a) and a movable tongue (3 b) are arranged in the inner cavity of the liquid discharge port (3).
3. A double-interface-responsive foldable underwater oil spill collecting hood according to claim 1 or 2, wherein the oil-water interface detecting sensor (4) is an angular displacement sensor coaxially and watertight mounted at a rotating shaft thereof.
4. A double-interface responsive, collapsible underwater leak collection enclosure as claimed in claim 1 or 2, wherein said oil-water interface detection sensor (4) has a carrier specific gravity of between 0.72 and 0.96; the automatic air release liquid seal valve (2) is vertically installed, and the specific gravity of the valve core is between 0.2 and 0.6.
5. A double-interface responsive foldable underwater oil spill collection cage according to claim 1 or 2, wherein said oil-water interface detection sensor (4) is mounted with an ultrasonic transceiver in a floating carrier.
6. A double-interface-responsive foldable underwater oil spill collecting cover according to claim 1 or 2, wherein the floating carrier of the oil-water interface detecting sensor (4) is provided with iron or magnet, and reed pipes are arranged at different positions in the underwater oil spill collecting cover.
7. A double interface responsive collapsible underwater leak collection enclosure as claimed in claim 1 or 2, wherein said anchoring member (7) is one of an anchor, a sinker, a grapple, a rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537795.4A CN111318541A (en) | 2018-12-15 | 2018-12-15 | Double-interface response foldable underwater oil leakage collecting cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537795.4A CN111318541A (en) | 2018-12-15 | 2018-12-15 | Double-interface response foldable underwater oil leakage collecting cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111318541A true CN111318541A (en) | 2020-06-23 |
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ID=71163041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811537795.4A Pending CN111318541A (en) | 2018-12-15 | 2018-12-15 | Double-interface response foldable underwater oil leakage collecting cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111318541A (en) |
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2018
- 2018-12-15 CN CN201811537795.4A patent/CN111318541A/en active Pending
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