CN111237581B - Emergency disposal device for oil pipeline leakage - Google Patents
Emergency disposal device for oil pipeline leakage Download PDFInfo
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- CN111237581B CN111237581B CN202010022760.8A CN202010022760A CN111237581B CN 111237581 B CN111237581 B CN 111237581B CN 202010022760 A CN202010022760 A CN 202010022760A CN 111237581 B CN111237581 B CN 111237581B
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- pressure
- disposal device
- pressure relief
- relief channel
- oil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/172—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/14—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member
- F16K17/16—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses an emergency disposal device for oil pipeline leakage, which comprises an annular clamp used for being clamped on the outer wall of an oil pipeline in a sealing manner, wherein the inner side surface of the annular clamp and the outer side surface of an oil channel form a sealing cavity; a passive opening mechanism is arranged on the pressure relief channel, and passively opens the pressure relief channel when the passive opening mechanism is subjected to rated pressure; the rated pressure is 0.8-1.1 times of the working pressure of the oil pipeline. According to the emergency disposal device for oil pipeline leakage, when a new leakage point possibly occurs due to overlarge pressure in the sealing cavity, the passive opening mechanism is opened to convey oil in the sealing cavity to the emergency storage mechanism through the pressure relief channel for storage, so that the pressure in the sealing cavity is reduced, and the probability of the new leakage point is reduced.
Description
Technical Field
The invention relates to an oil product conveying technology, in particular to an emergency disposal device for oil product pipeline leakage.
Background
Shipping and pipeline transportation are two main transportation modes of oil transportation, wherein pipeline transportation is mainly adopted on land, such as oil transportation pipelines from Xinjiang to inland, oil transportation pipelines from Russia to northeast and the like, which are important energy arteries in China.
Known, some oil pipelines are built in the trade of the century, because the material technology at that time, the service life are longer and the corruption of oil lead to the oil pipeline at present to appear leaking the phenomenon often, and the maintenance mode when pipeline leaks among the prior art has two kinds: the method is characterized in that the method comprises the steps of stopping conveying maintenance and stopping conveying maintenance, obviously, loss caused by the stopping conveying maintenance is smaller, a clamp is arranged in the current mainstream stopping conveying maintenance method, the clamp is clamped on a pipeline in a sealing mode, a leakage point is located in a sealing area, therefore, integral sealing between the clamp and the pipeline is achieved, and oil is prevented from further leaking into the environment under the condition that the leakage point still exists. For example, the invention patent with the publication number of CN101776194B entitled "Clamp for repairing oil and gas pipeline and method for using the same" provides the method for repairing the pipeline.
The defects of the prior art are that a new sealing cavity is formed between the clamp and the outer wall of the oil product pipeline during continuous transportation and maintenance, the pressure in the sealing cavity is consistent with the pressure in the oil product pipeline, so that a new leakage point is easy to appear at the joint of the clamp and the oil product pipeline, and the prior art cannot effectively deal with the leakage point.
Disclosure of Invention
The invention aims to provide an emergency disposal device for oil product pipeline leakage, which aims to solve the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
an emergency disposal device for oil product pipeline leakage comprises an annular clamp which is used for being clamped on the outer wall of an oil product pipeline in a sealing way, a sealing cavity is formed by the inner side surface of the annular clamp and the outer side surface of an oil product channel,
the annular clamp is connected with a pressure relief channel, and the pressure relief channel is communicated with an oil product emergency storage mechanism;
a passive opening mechanism is arranged on the pressure relief channel, and passively opens the pressure relief channel when the passive opening mechanism is subjected to rated pressure;
the rated pressure is 0.8-1.1 times of the working pressure of the oil pipeline.
In the emergency treatment device, the annular clamp comprises two semicircular clamping plates, one ends of the two semicircular clamping plates are rotatably connected, and the other ends of the two semicircular clamping plates are connected through bolts and nuts.
Foretell emergency treatment device, passive opening mechanism including arrange in elastic sealing membrane and the piece that pierces on the pressure release passageway, the shutoff of elastic sealing membrane in on the pressure release passageway, when its deformation amplitude makes its butt when the elastic sealing membrane receives rated pressure extrusion the piece that pierces, the elastic sealing membrane is punctured with passive opening by the piece that pierces the pressure release passageway.
In the emergency disposal device, the piercing part of the piercing member is a flat blade structure.
Foretell emergency treatment device, the pressure release passageway with the junction in sealed chamber is provided with the inflation chamber, the elasticity seal membrane cover in the chamber mouth department in inflation chamber, the piece that pierces through is located in the inflation chamber.
The passive opening mechanism of the emergency disposal device further comprises a block body, the elastic sealing film is arranged on the block body, and the block body is detachably connected to the annular clamp.
In the emergency disposal device, the pressure release channel is internally provided with the central radial support frame, and the piercing member is fixed at the center of the central radial support frame.
In the emergency disposal device, the emergency storage mechanism is an oil tank.
In the emergency disposal device, the emergency storage mechanism is a folding bag.
In the emergency disposal device, the number of the folding bags is multiple, at least two communication ports are arranged on each folding bag, and the two folding bags are communicated with the two communication ports through the connecting pipeline.
In the technical scheme, when a new leakage point possibly occurs due to overlarge pressure in the sealing cavity, the passive opening mechanism is opened to convey the oil in the sealing cavity to the emergency storage mechanism through the pressure relief channel for storage, so that the pressure in the sealing cavity is reduced, and the probability of the new leakage point is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural diagram of an emergency disposal device for oil pipeline leakage according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an emergency disposal device for oil pipeline leaks provided in an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
FIG. 4 is a cross-sectional view of an emergency disposal device for oil pipeline leaks according to another embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at II;
FIG. 6 is a cross-sectional view of an emergency disposal device for oil pipeline leaks according to yet another embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at III;
FIG. 8 is a schematic structural diagram of an oil emergency storage mechanism according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an oil emergency storage mechanism according to another embodiment of the present invention.
Description of reference numerals:
1. an annular clamp; 1.1, a dynamic sealing mechanism; 1.2, bolts; 2. a pressure relief channel; 2.1, enlarging the cavity; 3. an oil product emergency storage mechanism; 3.1, a communication port; 4. a passive opening mechanism; 4.1, an elastic sealing film; 4.2, a piercing member; 4.3, block body; 5. a central radial support frame; 6. a leakage port; 7. a leak port stabilizing mechanism; 7.1, attaching the extrusion part; 7.2, a bracket; 7.3, a communication hole; 7.4, a driving rod; 7.41, a screwed part; 7.5, operating a handle; 7.6, a sealing gasket; 8. an oil pipeline.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 9, an emergency disposal device for oil pipeline 8 leakage provided by an embodiment of the present invention includes an annular clamp 1 for being hermetically clamped on an outer wall of an oil pipeline 8, an inner side surface of the annular clamp 1 and an outer side surface of an oil passage form a sealed cavity, a pressure relief passage 2 is connected to the annular clamp 1, and the pressure relief passage 2 is communicated with an oil emergency storage mechanism 3; a passive opening mechanism 4 is arranged on the pressure relief channel 2, and the passive opening mechanism 4 passively opens the pressure relief channel 2 when receiving rated pressure; the rated pressure is 0.8-1.1 times of the working pressure of the oil pipeline 8.
Specifically, the emergency disposal device provided by the invention is used for emergency treatment when the oil product pipeline 8 leaks, and preferably, the oil product pipeline 8 at the leaking part needs to be replaced after the emergency treatment. The emergency disposal device comprises an annular clamp 1, a pressure relief channel 2, a passive opening mechanism 4 and an oil product emergency storage mechanism 3, wherein, the ring-shaped clamp 1 can refer to the prior art, the pipeline leakage treatment equipment in the prior art generally comprises the ring-shaped clamp 1, the ring-shaped clamp 1 is used for clamping the leakage part on the pipeline, a sealing cavity (also called as a first sealing cavity) is formed between the inner wall of the ring-shaped clamp 1 and the outer wall of the oil pipeline, the leakage port 6 of the oil pipeline 8 is positioned in the sealing cavity, because realized sealed between ring clamp 1 and the oil product pipeline, so prevented leaking of oil product in the oil product pipeline 8 under the condition that leakage port 6 exists, it is comparatively preferred, ring clamp 1 includes two semicircular clamping plates, two the one end of semicircular clamping plate is rotated and is connected, and the other end is connected through bolt 1.2 and nut. The inner wall of the semicircular clamping plate is provided with a sealing part such as a sealing gasket 7.6, and the outer wall of the pipeline is tightly extruded and attached with the density pad through the extrusion of the bolt 1.2 and the nut, so that the sealing between the semicircular clamping plate and the outer wall of the pipeline is realized.
In this embodiment, one of the innovative points of the ring clamp 1 is that a pressure relief channel 2 is connected to the ring clamp 1, and the pressure relief channel 2 may be a connecting pipe connected to the ring clamp 1, and the connecting pipe may be integrated with the ring clamp 1. A passive opening mechanism 4 is arranged in the pressure relief channel 2 or at the communication part of the pressure relief channel 2 and the annular clamp 1, the passive opening device 4 is a device that passively opens when the pressure reaches the rated pressure, and in general, the device comprises a trigger mechanism and an opening mechanism, wherein the trigger mechanism is generally an elastic mechanism, such as an elastic metal sheet or an elastic membrane, the elastic metal sheet and the elastic membrane can know the deformation amplitude of the elastic mechanism when the rated pressure is reached in advance, the opening mechanism such as a valve switch can be started and stopped to be driven by the elastic mechanism, namely the elastic mechanism is attached and extruded on the switch, the deformation amplitude of the elastic mechanism when reaching the rated pressure is the critical point of the valve switch opening, the valve switch is opened after reaching the preset pressure, the valve is opened, the pressure relief channel 2 is unblocked, and oil in the sealed cavity can be conveyed out through the pressure relief channel 2. The opening mechanism may also be of other destructive opening arrangements, such as the preferred elastic sealing membrane 4.1 described below, which, in this embodiment, preferably, the rated pressure is between 0.8 and 1.1 times, most preferably 1 time, of the working pressure of the oil pipeline 8, the working pressure is the pressure normally delivered during design, generally a range of values, such as 1.6MPa to 4 MPa, since the conditions of the oil pipelines 8 are different, the working pressure is from dozens of pascals to dozens of megapascals, since the leakage is essentially caused in the vicinity of the operating pressure, and after the leakage has a negative effect on the performance of the leakage area of the pipe, if the strength is reduced, the pressure relief channel 2 can be opened when the pressure comes to be close to the working pressure again, the pressure in the sealing cavity is reduced, a new leakage condition at the leakage pipeline is prevented, the probability of the occurrence of leakage points at the connection of the annular clamp 1 and the oil product pipeline 8 is also reduced.
In this embodiment, the other end of the pressure release channel 2 is connected to the oil emergency storage mechanism 3, the oil emergency storage mechanism 3 is a mechanism capable of storing oil, such as an oil tank, and is preferable, the oil pipeline 8 emergency maintenance vehicle carries the oil emergency storage mechanism 3, and when the pressure release channel 2 is opened by the passive opening mechanism 4, the oil leaked out of the oil emergency storage mechanism 3 enters the oil emergency storage mechanism 3 for storage, rather than being directly discharged to cause pollution.
In this embodiment, the pressure in the pressure relief channel 2, the seal cavity and the oil pipeline 8 is theoretically the same, but because the space in the oil pipeline 8 is large, and the size of the general leakage opening 6 is small, and part of the leakage opening is even in millimeter level, the internal pressure of the leakage oil in the seal cavity will be smaller than the pressure in the seal cavity if the leakage opening 6 is extremely small, and the pressure in the seal cavity will be far smaller than the pressure in the oil pipeline 8.
According to the emergency disposal device for the leakage of the oil pipeline 8, provided by the embodiment of the invention, when a new leakage point possibly appears due to overlarge pressure in the sealed cavity, the passive opening mechanism 4 is opened to convey the oil in the sealed cavity to the emergency storage mechanism through the pressure relief channel 2 for storage, so that the pressure in the sealed cavity is reduced, and the probability of the new leakage point is reduced.
In another embodiment provided by the invention, as shown in fig. 8, the emergency storage mechanism is a plurality of folding bags, the folding bags occupy a small space and are convenient to carry on an oil pipeline 8 maintenance vehicle, and further, as shown in fig. 9, each folding bag is provided with at least two communication ports 3.1, and the two folding bags are communicated with the two communication ports 3.1 through a connecting pipeline, so that a plurality of folding bags can be sequentially connected according to actual requirements, the maintenance vehicle can be carried in a large amount and can be spread on the ground in a large range, the folding bags are connected one by one according to actual requirements, a large amount of leaked oil can be contained, and the emergency storage mechanism has obvious advantages compared with an oil tank.
In a further embodiment of the present invention, as shown in fig. 2 and 3, said passive opening means 4 comprises an elastic sealing film 4.1 and a piercing member 4.2 arranged on said pressure relief passage 2, said elastic sealing film 4.1 being a plastic or rubber film which is elastically deformed when pressed, the deformation amplitude can be determined in advance according to experiments, the elastic sealing membrane 4.1 is blocked on the pressure relief channel 2, when the elastic sealing membrane 4.1 is pressed by a rated pressure, the deformation amplitude of the elastic sealing membrane 4.1 is enabled to abut against the piercing element 4.2, namely, the piercing structure of the piercing element 4.2 is located at the deformation position of the elastic sealing membrane 4.1 when the elastic sealing membrane 4.1 is pressed by the rated pressure, it touches the piercing structure of the piercing element 4.2, so that it is pierced and broken, thus opening the leakage path, the elastic sealing membrane 4.1 is pierced by the piercing element 4.2 to passively open the pressure relief channel 2.
In this embodiment, the piercing part of the piercing element 4.2 is preferably a flat blade structure, which provides a larger piercing opening and thus a larger leakage flow.
In another embodiment provided by the present invention, further, an expansion cavity 2.1 is disposed at a connection portion of the pressure relief channel 2 and the sealing cavity, the elastic sealing film 4.1 covers a cavity opening of the expansion cavity 2.1, the piercing member 4.2 is located in the expansion cavity 2.1, a larger space provided by the expansion cavity 2.1 is more convenient for arranging the passive opening mechanism 4, and more preferably, a portion of the annular clamp 1, which is communicated with the pressure relief channel 2, is provided with a thickened portion, which increases strength and is convenient for connecting the pressure relief channel 2.
Still further, passive opening mechanism 4 still includes block 4.3, elasticity seal membrane 4.1 arrange in on the block 4.3, block 4.3 can dismantle connect in on cyclic annular anchor clamps 1, also block 4.3 and elasticity seal membrane 4.1 be connected and dismantle with cyclic annular anchor clamps 1 as an organic whole structure, so set up the effect lie in, same block 4.3 can set up the elasticity seal membrane 4.1 of a plurality of not unidimensional to deal with different rated pressure, simultaneously, block 4.3 also sets up with cyclic annular anchor clamps 1's sealed more easily, if set up sealed 7.6, be convenient for more and be connected of passive opening mechanism 4 and cyclic annular anchor clamps 1.
More preferably, a central radial support 5, such as a Y-shaped or X-shaped support 7.2, is arranged in the pressure relief channel 2, and the piercing element 4.2 is fixed at the center of the central radial support 5, so that the piercing element 4.2 is arranged at the center of the pressure relief channel 2, i.e. at the position where the elastic sealing membrane 4.1 has the largest deformation amplitude, so as to facilitate piercing.
In still another embodiment of the present invention, as shown in fig. 4-7, the present invention further comprises a leakage port stabilizing mechanism 7, wherein the leakage port stabilizing mechanism 7 is used for stabilizing the leakage port 6, delaying or even preventing the leakage port from becoming larger, the size of the leakage port is easy to become larger under the washing and pressing of the leaked oil due to the weakened stress, especially the crack-shaped leakage port 6, the crack is easy to extend further, and the leakage port stabilizing mechanism 7 is used for preventing the situation. Structurally, the leakage port stabilizing mechanism 7 comprises a joint squeezing part 7.1, a support 7.2, a driving rod 7.4 and an operating handle 7.5 which are sequentially connected, wherein the driving rod 7.4 is movably connected to the annular clamp 1 through a dynamic sealing structure such as a mechanical sealing mechanism, one end of the driving rod 7.4 is connected with the operating handle 7.5 and is positioned at the outer side of the annular clamp 1, the other end of the driving rod is connected with the support 7.2 and is positioned at the inner side of the annular clamp 1, namely in a sealing cavity, the operating handle 7.5 controls the whole reciprocating motion of the leakage port stabilizing mechanism 7, if the driving rod 7.4 is screwed on the annular clamp 1, the end part of the driving rod 7.4 is rotatably connected to the connecting support 7.2, so that the operating handle 7.5 controls the driving rod 7.4 to rotate on the annular clamp 1, the reciprocating motion of the driving rod 7.4 drives the support 7.2 and the joint squeezing part 7.1 to reciprocate, and finally, the joint squeezing part 7.1 is jointed to the edge of the leakage port 6, the joint extrusion 7.1 is tightly extruded on the outer wall of the pipeline at the position of the edge of the leakage opening 6, so that a radial extrusion force is provided for the joint extrusion, and the leakage opening 6 is delayed or even prevented from being enlarged due to weakened performance. This embodiment, the size that laminating extrusion portion 7.1 can set up is great, so deal with the leakage opening 6 of equidimension and appearance not, with leakage opening stabilizing mean 7 alignment leakage opening 6 when annular clamp 1 installation, control operating handle 7.5 after the installation of annular clamp 1 is accomplished for laminating extrusion portion 7.1 tightly on the outer wall of pipeline.
Preferably, the driving rod 7.4 is contacted with the annular clamp 1 to form two parts, wherein the part positioned on the inner side is a sealing section which is connected to the annular clamp 1 through a movable sealing mechanism 1.1, and the part positioned on the outer side is a threaded end, namely a threaded part 7.41 which is screwed on the annular clamp 1.
Still further, as shown in fig. 4-5, the extrusion portion of the joint extrusion portion 7.1 is a sealing structure such as a sealing pad 7.6, the joint extrusion portion 7.1, the support 7.2 and the outer wall of the pipeline enclose a second sealing cavity, for example, the joint extrusion portion 7.1 is a cylindrical structure, the support 7.2 is an end plate of the end portion of the cylindrical structure, and an opening of the cylindrical structure covers the leakage opening 6, that is, a second sealing cavity is further enclosed inside the first sealing cavity of the annular clamp 1 and the outer wall of the pipeline, so that the arrangement has the advantages that, on one hand, the leakage opening stabilizing mechanism 7 realizes the stability of the leakage opening 6, on the other hand, if the oil in the leakage opening stabilizing mechanism 7 leaks, it is indicated that leakage occurs between the joint extrusion portion 7.1 and the outer wall of the pipeline, at this time, the internal pressure with a high probability is greater or the leakage situation becomes severe, which is equivalent to presetting a fuzzy internal leakage detecting mechanism, preferably, the pressure sensors are respectively arranged on the inner side and the outer side of the second sealed cavity in the first sealed cavity, if the two pressures are consistent, the leakage condition is serious, an active opening mechanism can be arranged at the moment, and the passive opening mechanism 4 is opened through the active opening mechanism to realize rapid pressure relief. And the pressure relief pipe is connected with the second sealing cavity and the pressure relief channel 2, the second sealing cavity and the first sealing cavity provide double protection, the pressure in any sealing cavity exceeds the rated pressure, and the passive opening mechanism 4 can be opened, so that the protection strength of the passive opening mechanism 4 on the oil pipeline 8 is improved.
Alternatively, as shown in fig. 6 to 7, a communication hole 7.3 may be provided in the joint extrusion 7.1 or the bracket 7.2, so as to connect the inside and the outside of the joint extrusion 7.1 and the bracket 7.2, where the joint extrusion 7.1 only has the function of preventing the leakage port 6 from expanding.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. An emergency disposal device for oil pipeline leakage, which comprises an annular clamp used for being clamped on the outer wall of an oil pipeline in a sealing way, wherein a first sealing cavity is formed between the inner side surface of the annular clamp and the outer side surface of the oil pipeline,
the annular clamp is connected with a pressure relief channel, and the pressure relief channel is communicated with an oil product emergency storage mechanism;
a passive opening mechanism is arranged on the pressure relief channel, and passively opens the pressure relief channel when the passive opening mechanism is subjected to rated pressure;
the rated pressure is 0.8-1.1 times of the working pressure of the oil pipeline;
the leakage opening stabilizing mechanism comprises a laminating extrusion part, a support, a driving rod and an operating handle which are sequentially connected, wherein the driving rod is movably connected to the annular clamp through a movable sealing structure, one end of the driving rod is connected with the operating handle and is positioned on the outer side of the annular clamp, the other end of the driving rod is connected with the support and is positioned on the inner side of the annular clamp, the operating handle controls the reciprocating motion of the leakage opening stabilizing mechanism, the reciprocating motion of the driving rod drives the support and the laminating extrusion part to reciprocate, and the laminating extrusion part is laminated on the edge of the leakage opening;
the extrusion part of the laminating extrusion part is a sealing structure, the laminating extrusion part, the support and the outer wall of the pipeline enclose a second sealing cavity, the laminating extrusion part is of a tubular structure, the support is an end plate of the end part of the tubular structure, an opening of the tubular structure covers the leakage opening, namely, a second sealing cavity is enclosed in the first sealing cavity of the annular clamp and the outer wall of the pipeline, and a pressure sensor is arranged on the inner side and the outer side of the second sealing cavity in the first sealing cavity.
2. The emergency disposal device of claim 1, wherein said ring clamp comprises two semicircular clamping plates, one end of which is rotatably connected and the other end of which is connected by a bolt and a nut.
3. The emergency disposal device of claim 1, wherein said passive opening mechanism comprises an elastic sealing membrane and a piercing member arranged on said pressure relief channel, said elastic sealing membrane being sealed on said pressure relief channel, said elastic sealing membrane being deformed to such an extent that it abuts said piercing member when said elastic sealing membrane is compressed by a rated pressure, said elastic sealing membrane being pierced by said piercing member to passively open said pressure relief channel.
4. An emergency disposal device according to claim 3, wherein the piercing portion of said piercing member is a flat blade structure.
5. The emergency disposal device of claim 3, wherein an expansion cavity is provided at a junction of the pressure relief channel and the first sealing cavity, the elastic sealing membrane covers a cavity opening of the expansion cavity, and the piercing member is located in the expansion cavity.
6. The emergency disposal device of claim 3, wherein said passive opening mechanism further comprises a block, said resilient sealing membrane being disposed on said block, said block being removably connected to said annular clamp.
7. An emergency disposal device according to claim 3 or 4, wherein a central radial support is provided within said pressure relief channel, said piercing element being fixed to the centre of said central radial support.
8. An emergency disposal device according to claim 1, wherein said emergency storage means is an oil tank.
9. The emergency disposal device of claim 1, wherein said emergency storage mechanism is a folding bag.
10. The emergency disposal device of claim 9, wherein said plurality of folded bags are provided, each of said plurality of folded bags having at least two communication ports, and said two folded bags are connected to said two communication ports by a connecting conduit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010022760.8A CN111237581B (en) | 2020-01-09 | 2020-01-09 | Emergency disposal device for oil pipeline leakage |
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| CN202010022760.8A CN111237581B (en) | 2020-01-09 | 2020-01-09 | Emergency disposal device for oil pipeline leakage |
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| CN111237581B true CN111237581B (en) | 2021-12-21 |
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| CN101732933A (en) * | 2008-11-24 | 2010-06-16 | 河南中新环保物流设备有限公司 | Explosion venting device on dust collector |
| CN103998839A (en) * | 2011-09-02 | 2014-08-20 | 奥若泰克股份有限公司 | Connecting piece of a transport line |
| KR20130029420A (en) * | 2013-02-12 | 2013-03-22 | 주식회사백상 | Blocking device of pipe leak |
| CN203628141U (en) * | 2013-09-11 | 2014-06-04 | 杨爱弟 | Drainage-type magnetic leakage-stopping fixture |
| CN104864138A (en) * | 2015-05-25 | 2015-08-26 | 邬子健 | Safe connector for natural gas bottle |
| CN208503965U (en) * | 2018-07-19 | 2019-02-15 | 太原科技大学 | A kind of oil-gas pipeline leakage alarming device |
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