CN217356013U - Pipeline safety breaking and releasing device - Google Patents
Pipeline safety breaking and releasing device Download PDFInfo
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- CN217356013U CN217356013U CN202221284723.5U CN202221284723U CN217356013U CN 217356013 U CN217356013 U CN 217356013U CN 202221284723 U CN202221284723 U CN 202221284723U CN 217356013 U CN217356013 U CN 217356013U
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- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 9
- 239000002360 explosive Substances 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A pipeline safety disconnecting device belongs to the field of conveying of flammable and explosive liquid. The joint of the long valve body and the short valve body is provided with a butt flange, the valve bodies are connected through a plurality of breaking bolts arranged along the circumferential direction of the flanges, a combined sealing mechanism is arranged between the contact end surfaces of the two flanges, and the combined sealing mechanism is arranged on the inner side of the breaking bolt; a sliding sleeve is slidably arranged on the periphery of the long valve body, and a power device which pulls the long valve body backwards to break the breaking bolt is arranged between the butt flange and the sliding sleeve on the long valve body; the rotary valve plate sealing device comprises a rotary valve plate arranged in the valve body, and a driving mechanism for driving the rotary valve plate to seal a pipeline port when the valve body is separated is arranged between the rotary valve plate and the inner wall of the valve body; the rotary valve plates in the two valve bodies are centrosymmetric, and the symmetric point is the central point of the pipeline port; when the two valve bodies are combined, the two rotary valve plates are overlapped at the central point of the pipeline port to form a stable opening structure, so that the pipeline is kept smooth.
Description
Technical Field
The utility model belongs to the technical field of inflammable and explosive liquid carries and specifically relates to a pipeline safety breaks takes off device.
Background
The breaking valve is used in the loading and unloading process of inflammable and explosive liquid and has safety protection effect. When flammable and explosive liquid is transported by a tank car, the liquid is connected to a connector of the tank car from a storage tank for storing the liquid through a pipeline, so that the liquid can enter the tank car through the pipeline, the connection is firm and tight, and the liquid is usually connected by using flange bolts. At present, other similar products are different from the utility model in the form of valves, the valve plates of the products cannot rotate, the valve plates are always parallel to the cross section of the pipeline, and fluid bypasses around the valve plates and turns over again, thereby seriously affecting the smoothness of medium flow, increasing the resistance of flow, reducing the flow rate of loading and unloading, reducing the working efficiency and leading users to be dissatisfied; the existing product has a complex structure and a heavy weight, and is arranged on a pipeline, the original balance of the pipeline is seriously broken, and the labor intensity of workers is increased. The large storage tanks filled with dangerous chemicals such as crude oil in the port area are arranged in a centralized manner, the storage tanks are connected with the using ends through pipelines, materials are conveyed, when disasters such as fire happen to one end of each storage tank, the pipelines need to be cut off, conveying is stopped, the fire is prevented from spreading, loss is reduced, but the existing pipelines cannot be automatically disconnected and disconnected, the pipelines can be cut off at any time, a fire early warning system is not arranged, and the accident area is enlarged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to prior art provides a reasonable in design, and convenient to use can close the pipeline safety of cuting pipeline and break off device at any time.
The utility model aims to solve the technical problem that the technical scheme is realized through the following, the utility model relates to a pipeline safety breaking device, including long valve body and the short valve body that are installed on the pipeline in series, and set up two rotary valve plate closing devices that are used for sealing the mouth of pipe respectively inside long valve body and the short valve body, its characteristics are that, the junction of long valve body and short valve body is equipped with the butt flange, and long valve body and short valve body are connected through a plurality of breaking bolts along flange circumference installation, are equipped with the composite seal mechanism between the contact terminal surface of two flanges, the composite seal mechanism sets up the inboard at breaking the bolt; a sliding sleeve is slidably mounted on the periphery of the long valve body, and a power device which pulls the long valve body backwards to break the breaking bolt is mounted between the butt flange and the sliding sleeve on the long valve body;
the rotary valve plate sealing device comprises a rotary valve plate arranged in a long valve body and a short valve body, and a driving mechanism for driving the rotary valve plate to seal a pipeline port when the long valve body and the short valve body are separated is arranged between the rotary valve plate and the inner wall of the valve body; the rotary valve plates in the long valve body and the short valve body are centrosymmetric, and the symmetric point is the central point of the pipeline port; when the long valve body and the short valve body are combined, the two rotary valve plates are overlapped at the central point of the pipeline port to form a stable opening structure, so that the pipeline is kept smooth.
The technical problem to be solved by the present invention can be further solved by the following technical solution, wherein the driving mechanism comprises a rotating arm and a driving arm hinged between the rotating valve plate and the inner wall of the valve body; the rotary valve plate is provided with a valve plate block, the inner wall of the valve body is provided with a fixed block corresponding to the valve plate block, and two ends of the rotary arm and two ends of the driving arm are respectively hinged to the valve plate block and the fixed block; the rotating arm takes a hinged point of the rotating arm and the fixed block as a revolution shaft to drive the rotating valve plate to turn to a pipeline port; the actuating arm uses the pin joint of swinging boom and valve plate piece as the axis of rotation, drives rotatory valve plate and rotates and seal the pipeline port.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, the actuating arm is the bent plate, and the swinging boom is straight board, and the torsional spring that can let the valve plate close rapidly when not having external force to resist is installed to the articulated punishment department of actuating arm and valve plate piece.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, combined sealing mechanism is including installing skeleton seal circle and the valve body sealing washer in long valve body and short valve body junction.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, power device is the pneumatic cylinder.
Compared with the prior art, the utility model has the advantages that the rotary valve plate sealing device is arranged in the long valve body and the short valve body, when the long valve body and the short valve body are separated, the pipe orifice is automatically sealed, the leakage of inflammable and explosive media is prevented, and the safety of a tank area is ensured; meanwhile, the hydraulic cylinders are arranged on the outer periphery of the long valve body, and the hydraulic cylinders are automatically started to break the long valve body and the short valve body when a fire occurs, so that automatic breaking and releasing are realized, and the overall safety of the device is improved.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic sectional view of the present invention in use;
fig. 3 is a schematic view of the sectional structure of the present invention in a snapping state.
In the figure: 1. the novel hydraulic valve comprises a short valve body, 2 tensile-breaking bolts, 3 long valve bodies, 4 hydraulic cylinders, 5 nuts, 6 sliding sleeves, 7 inner pressing rings, 8 sliding sleeve sealing rings, 9 driving arms, 10 rotating arms, 11 framework sealing rings, 12 valve body sealing rings, 13 fixing blocks, 14 valve plate blocks, 15 rotating valve plates, 16 storage tanks and 17 pipelines.
Detailed Description
The following further describes embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
Referring to fig. 1-3, a pipeline safety breaking device comprises a long valve body 3 and a short valve body 1 which are installed on a pipeline in series, and two rotary valve plate closing devices which are respectively arranged inside the long valve body and the short valve body and are used for closing a pipe orifice, wherein a butt flange is arranged at the joint of the long valve body and the short valve body, the long valve body and the short valve body are connected through a plurality of breaking bolts 2 which are installed along the circumferential direction of the flanges, a combined sealing mechanism is arranged between the contact end surfaces of the two flanges, and the combined sealing mechanism is arranged on the inner side of the breaking bolts; a sliding sleeve 6 is slidably mounted on the periphery of the long valve body, and a power device which pulls the long valve body backwards so as to break the breaking bolt is mounted between the abutting flange and the sliding sleeve on the long valve body;
the rotary valve plate sealing device comprises a rotary valve plate 15 arranged in a long valve body and a short valve body, and a driving mechanism for driving the rotary valve plate to seal a pipeline port when the valve bodies are separated is arranged between the rotary valve plate and the inner wall of the valve body; the rotary valve plates in the long valve body and the short valve body are in central symmetry, and the symmetry point is the central point of the pipeline port; when the long valve body and the short valve body are combined, the two rotary valve plates are overlapped at the central point of the pipeline port to form a stable opening structure, so that the pipeline is kept smooth.
The driving mechanism comprises a rotating arm 10 and a driving arm 9 which are hinged between the rotary valve plate and the inner wall of the valve body; the rotary valve plate is provided with a valve plate block 14, the inner wall of the valve body is provided with a fixed block 13 corresponding to the valve plate block, and two ends of the rotary arm and two ends of the driving arm are respectively hinged on the valve plate block and the fixed block; the rotating arm takes a hinged point of the rotating arm and the fixed block as a revolution shaft to drive the rotating valve plate to turn to a pipeline port; the driving arm uses the hinged point of the rotating arm and the valve plate block as a rotation shaft to drive the rotating valve plate to rotate to close the port of the pipeline.
The driving arm is a bent plate, the rotating arm is a straight plate, and a torsional spring capable of rapidly closing the valve plate when no external force resists is installed at the hinged point of the driving arm and the valve plate block.
The combined sealing mechanism comprises a framework sealing ring 11 and a valve body sealing ring 12 which are arranged at the joint of the long valve body and the short valve body.
The power device is a hydraulic cylinder 4.
When the device is used, the framework sealing ring and the valve body sealing ring between the end faces of the two valve body flanges are firstly installed, then the two valve bodies are connected through the snapping bolt, the two rotary valve plates are lapped at the central point of the valve body pipeline port, and the two rotary valve plates are mutually restricted to keep balance; an inner pressure ring 7 and a sliding sleeve sealing ring 8 for increasing the sealing property are arranged at the connecting position of the long valve body and the sliding sleeve; the hangers that make things convenient for fixed pneumatic cylinder are installed to the periphery of long valve plate and sliding sleeve, and the pneumatic cylinder passes through 5 fixed mounting of nut.
In the working state of the utility model, a valve body is connected on the storage tank 16 for storing liquid, and a connector of the valve body connecting pipeline 17 breaks the breaking bolt between the long valve body and the short valve body under unexpected conditions, at the moment, the rotary valve plates in the sealing devices in the two valve bodies are not overlapped with each other, and the rotary arms drive the rotary valve plates to turn to the pipeline ports by taking the hinge points of the rotary arms and the fixed blocks as the revolution axes; the actuating arm uses the pin joint of swinging boom and valve plate piece as the axis of rotation, drives rotatory valve plate and rotates closed pipeline port, and the maximum diameter of rotatory valve plate is the same with valve body internal surface circle diameter size, seals both ends pipeline port when the rotatory vertical state of rotating valve plate.
The pipeline safety breaking device is characterized in that a plurality of oil storage tanks are connected with a using end through pipelines, the pipelines are provided with a plurality of pipes, each pipeline is provided with a breaking device, each breaking device comprises control valves which are arranged on the pipelines and are connected in front and back, each group of control valves consists of a fixed long valve body and a short valve body which are connected with the pipelines, when a fire disaster happens, a temperature sensor connected with the breaking devices receives a temperature signal and transmits the temperature signal to a control room control center, after a PLC receives the signal, the control valves are opened, energy accumulators are arranged on the control valves, the hydraulic cylinders work under the action of the energy accumulators, the long valve bodies are separated from the short valve bodies, and valve plates in the two valve bodies are closed rapidly.
Under the condition of no fire source, when the pipeline is manually disconnected, the motor of the hydraulic station can be directly started manually. When a fire disaster happens, automatic control breaking and releasing are needed, automatic breaking and releasing are carried out through a control device arranged by the system, the control device comprises a control box, a PLC (programmable logic controller) controller, an audible and visual alarm and an inspection instrument are arranged in the control box, a plurality of temperature sensors are arranged in a pipeline in front of a breaking and releasing mechanism, an passing signal line of each temperature sensor is connected with the inspection instrument, the passing signal line of the inspection instrument is connected with the input end of the PLC controller, and an electromagnetic valve and an audible and visual alarm of a hydraulic station are respectively connected with the output end of the PLC controller.
When the hydraulic station is in normal work, when a fire disaster happens to a certain place in a tank area, a temperature sensor in the pipeline receives a temperature signal and transmits the temperature signal to the patrol inspection instrument, the patrol inspection instrument transmits the signal to the PLC, the signal received by the PLC is compared with a preset value, when the preset value is reached or exceeded, the audible and visual alarm starts to give an alarm, the PLC starts a motor of the hydraulic station after a few seconds and switches on a corresponding electromagnetic valve, so that the hydraulic station supplies hydraulic oil to the hydraulic oil cylinder through an underground hydraulic oil pipe, the off-line breaking mechanism starts to work, the corresponding pipeline is cut off and falls off, the tank body is not connected with the pipeline, and the safety of the tank body is ensured.
The device is suitable for various fire prevention and fire fighting aspects related to pipelines. Especially large, medium and small tank areas; all large, medium and small-sized refueling and gas filling stations; each oil and gas pipeline. The fire-fighting water pipe can realize pre-sensing, pre-alarming, automatic cutting-off and falling-off of the pipeline and manual cutting-off and falling-off of a section of pipeline before a fire disaster happens, so that a fire source is completely cut off, and the aim of safety fire prevention is fulfilled.
a. And pre-sensing, namely arranging a plurality of temperature acquisition points at the key position of the regional space, and sensing by a system when the acquired temperature signal of one temperature sensor exceeds a preset value.
b. And pre-alarming, namely when the temperature signal collected by the temperature sensor received by the system exceeds a preset value, an audible and visual alarm in the system gives out alarm sound and is accompanied by flashing red light.
c. And (3) automatic disconnection, namely after the system alarms for a certain time, if the program execution is not stopped manually, the system automatically closes the pipeline valve, cuts off the pipeline and drops a section of pipeline to the ground, and leaves the original pipeline to completely cut off the original pipeline, so that the aim of preventing the fire from spreading is fulfilled.
d. And (3) electric disconnection, namely, if the pipeline is manually disconnected, the pipeline can be disconnected by using a manual electric control button.
e. And (4) disconnecting the energy accumulator, namely, if the site is suddenly powered off, the pipeline is required to be disconnected, and the pipeline can be disconnected manually by using the energy stored by the energy accumulator in the hydraulic station.
Claims (5)
1. The utility model provides a pipeline safety is disconnected takes off device, includes long valve body and the short valve body of series connection installation on the pipeline to and set up respectively and be used for sealing orificial two rotary valve plate closing means, its characterized in that in long valve body and short valve body: the joint of the long valve body and the short valve body is provided with a butt flange, the long valve body and the short valve body are connected through a plurality of breaking bolts arranged along the circumferential direction of the flanges, a combined sealing mechanism is arranged between the contact end surfaces of the two flanges, and the combined sealing mechanism is arranged on the inner sides of the breaking bolts; a sliding sleeve is slidably mounted on the periphery of the long valve body, and a power device which pulls the long valve body backwards to break the breaking bolt is mounted between the butt flange and the sliding sleeve on the long valve body;
the rotary valve plate sealing device comprises a rotary valve plate arranged in a long valve body and a short valve body, and a driving mechanism for driving the rotary valve plate to seal a pipeline port when the long valve body and the short valve body are separated is arranged between the rotary valve plate and the inner wall of the valve body; the rotary valve plates in the long valve body and the short valve body are centrosymmetric, and the symmetric point is the central point of the pipeline port; when the long valve body and the short valve body are combined, the two rotary valve plates are overlapped at the central point of the pipeline port to form a stable opening structure, so that the pipeline is kept smooth.
2. The pipe safety disconnect device of claim 1, wherein: the driving mechanism comprises a rotating arm and a driving arm which are hinged between the rotating valve plate and the inner wall of the valve body; the rotary valve plate is provided with a valve plate block, the inner wall of the valve body is provided with a fixed block corresponding to the valve plate block, and two ends of the rotary arm and two ends of the driving arm are respectively hinged on the valve plate block and the fixed block; the rotating arm takes a hinge joint of the rotating arm and the fixed block as a revolution shaft to drive the rotating valve plate to turn to a pipeline port; the driving arm uses the hinged point of the rotating arm and the valve plate block as a rotation shaft to drive the rotating valve plate to rotate to close the port of the pipeline.
3. The pipe safety disconnect device of claim 2, wherein: the driving arm is a bent plate, the rotating arm is a straight plate, and a torsional spring capable of rapidly closing the valve plate when no external force resists is installed at the hinged point of the driving arm and the valve plate block.
4. The pipe safety disconnect device of claim 1, wherein: the combined sealing mechanism comprises a framework sealing ring and a valve body sealing ring which are arranged at the joint of the long valve body and the short valve body.
5. The pipe safety disconnect device of claim 1, wherein: the power device is a hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221284723.5U CN217356013U (en) | 2022-05-26 | 2022-05-26 | Pipeline safety breaking and releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221284723.5U CN217356013U (en) | 2022-05-26 | 2022-05-26 | Pipeline safety breaking and releasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217356013U true CN217356013U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221284723.5U Active CN217356013U (en) | 2022-05-26 | 2022-05-26 | Pipeline safety breaking and releasing device |
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| Country | Link |
|---|---|
| CN (1) | CN217356013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117967848A (en) * | 2024-04-02 | 2024-05-03 | 山东冠卓重工科技有限公司 | Stern hose breaking valve |
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2022
- 2022-05-26 CN CN202221284723.5U patent/CN217356013U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117967848A (en) * | 2024-04-02 | 2024-05-03 | 山东冠卓重工科技有限公司 | Stern hose breaking valve |
| CN117967848B (en) * | 2024-04-02 | 2024-06-04 | 山东冠卓重工科技有限公司 | Stern hose breaking valve |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240606 Address after: No. 69, Group 1, Changmao Village, Tianlou Town, Guannan County, Lianyungang City, Jiangsu Province, 222000 Patentee after: Lianyungang De'an Petrochemical Equipment Technology Co.,Ltd. Country or region after: China Address before: 222000 No. 18, group 1, Changmao village, Tianlou Town, Guannan County, Lianyungang City, Jiangsu Province Patentee before: Guannan branch of Lianyungang De'an Petrochemical Equipment Technology Co.,Ltd. Country or region before: China |