CN216345396U - Improved device for emptying gas storage cylinder group of L-CNG gas station - Google Patents
Improved device for emptying gas storage cylinder group of L-CNG gas station Download PDFInfo
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- CN216345396U CN216345396U CN202123134581.2U CN202123134581U CN216345396U CN 216345396 U CN216345396 U CN 216345396U CN 202123134581 U CN202123134581 U CN 202123134581U CN 216345396 U CN216345396 U CN 216345396U
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Abstract
The utility model discloses an improved device for emptying a gas storage cylinder group of an L-CNG gas station, which relates to the technical field of gas storage pipelines and comprises the following components: and the two main pipelines and the emptying pipeline are arranged below one main pipeline and are used for emergently emptying the gas storage bottle group when emergencies and conditions are met. This L-CNG gas station gas storage cylinder group's improvement device that emptys, can set up urgent air release device between gas storage cylinder group and pipeline through pipeline and urgent air release valve, at equipment, set up check valve one between air dispenser and the gas storage cylinder group's air release pipe, when dismantling the relief valve like this, equipment, air dispenser air release gas can not get into gas storage cylinder group's air release pipe, carry out the air release through the tower that diffuses, set up a loose joint through switching detection mechanism, all need not dismantle when the check-up, connect for the bulb is connected between the loose joint, can dismantle, be connected with the test bench when so that the check-up relief valve, reduce the dismantlement, avoid connecting thread easy wearing and tearing, damage and the installation after the inspection are inconvenient.
Description
Technical Field
The utility model relates to the technical field of gas storage pipelines, in particular to an improved device for emptying a gas storage cylinder group of an L-CNG gas station.
Background
The air release device is characterized in that a defect exists in the process of modifying and constructing a part of L-CNG air cylinder group air release devices, an air inlet end of a safety valve is directly connected to a fixed three-way threaded end, an air exhaust end is connected to a centralized exhaust pipe through a clamping sleeve connector, the safety valve is disassembled and verified every year, when the safety valve is disassembled, connecting threads are easy to wear and damage, the safety valve is difficult to reset after verification, the exhaust end clamping sleeve connector can be connected in an opposite mode, the air inlet end is sealed and does not leak, in the actual assembling process, the clamping sleeve connector can be connected in an opposite mode, the air inlet end leaks and cannot be sealed, the sealing problem is solved, the clamping sleeve connector cannot be connected in an opposite mode, and the problem that glue is applied and a raw material belt is wound cannot be solved.
The check-up is frequently dismantled to the relief valve, the screw thread damages seriously, some screw threads are because guarantee to be neat to the mouth with the unloading cutting ferrule, twist smooth the knot, there is great potential safety hazard, gas bomb group blow-off pipe and equipment, add a main blow-off pipe of mechanism of qi blow-off pipe sharing, when dismantling the relief valve, equipment, add the mechanism of qi at normal work, blow-off pipe to gas bomb group do not have the control valve between the relief valve, partial atmospheric gas passes through gas bomb group relief valve dismantlement mouth and discharges, there is the potential safety hazard such as injury and catching fire to operating personnel.
The original diameter of the emergency vent pipe of the gas storage cylinder set is phi 8, the gas storage cylinder set is not vented in place through the vent main pipe, and when the gas station meets emergency, natural gas in the gas storage cylinder set cannot be rapidly discharged. High-pressure gas is not discharged through the main discharge pipe on site, the whole process area is full of natural gas, and the fire, explosion, personnel poisoning and other major potential safety hazards are very easy to catch fire in emergency
SUMMERY OF THE UTILITY MODEL
The utility model provides an improved device for emptying a gas storage cylinder group of an L-CNG gas station, which can be used for arranging an emergency emptying device between the gas storage cylinder group and a pipeline through the use of an emptying pipeline and an emergency emptying valve, arranging one check valve between equipment, a gas dispenser and the gas storage cylinder group emptying pipe, so that when a safety valve is disassembled, the emptying gas of the equipment and the gas dispenser cannot enter the gas storage cylinder group emptying pipe, emptying is carried out through an emptying tower, a loose joint is arranged through the use of a switching detection mechanism, disassembly is not needed during verification, the loose joint is connected by a ball head and can be disassembled so as to be conveniently connected with a test bed during verification of the safety valve, the disassembly is reduced, and the easy abrasion, damage and inconvenient installation after verification of connecting threads are avoided.
An emergency emptying pipe 1 way is additionally arranged, the pipe diameter D22 is arranged, and the emergency emptying pipe can be used for emergency and rapid discharge through an emptying header pipe.
When the safety valve is disassembled, the pressure relief valve is not arranged between the original bottle group and the safety valve, and the safety valve is often operated under pressure when the safety valve is disassembled by an operator, so that the safety operation procedure is not met. Or high-pressure gas in the gas storage cylinder group is emptied, so that a large amount of natural gas is wasted. After the emergency emptying pipeline is additionally arranged, the root valve of the gas storage cylinder group is closed, the emergency emptying control valve is opened, and gas between the root valve of the gas storage cylinder group and the safety valve is decompressed to zero through the emergency emptying pipeline. There is no safety risk when disassembling the safety valve like this.
In order to achieve the purpose, the utility model is realized by the following technical scheme: an improved device for emptying a gas storage cylinder group of an L-CNG gas station comprises:
two main pipelines;
the emptying pipeline is arranged below one main pipeline and is used for emergently emptying the gas storage bottle group when meeting emergencies and conditions;
the switching detection mechanism is arranged on the two main pipelines and used for detecting external equipment, and comprises two switching three-way joints, two detection valves and a detection three-way joint, wherein the two switching three-way joints are respectively arranged at the tops of the two main pipelines, the two detection valves are respectively arranged at one sides of the two switching three-way joints, which are close to each other, and the detection three-way joint is arranged at one end of the two detection valves, which is close to each other; and
and the emergency emptying valve is arranged on the emptying pipeline and used for controlling gas to enter and exit.
Furthermore, two the bottom of trunk line all installs and is provided with the right angle elbow joint, two the one end of right angle elbow joint all is provided with the check valve through the pipe intercommunication.
Further, one of them the surface intercommunication of trunk line is provided with two fixed tee joints of being responsible for, and another the surface intercommunication of trunk line is provided with a fixed tee joint of being responsible for, and is three the one end of being responsible for fixed tee joint all is provided with the check valve through the pipe intercommunication.
Furthermore, the upper ends of the two switching tee joints are in threaded connection with safety valves, one ends of the two safety valves are provided with right-angle bent joints through guide pipes in a communicating mode, and the ends, close to each other, of the right-angle bent joints are provided with safety valve fixing tee joints through guide pipes in a communicating mode.
Furthermore, a circulation pipeline is arranged at one end of the safety valve fixing tee joint, a circulation pipe fixing tee joint is communicated and arranged at the position, close to the bottom, of the outer surface of the circulation pipeline, and an emptying pipeline is communicated and arranged at one end of the circulation pipe fixing tee joint through a guide pipe.
Further, the one end installation that detects the tee bend head is provided with the detection pipeline, the surface of detection pipeline is close to bottom department intercommunication and is provided with the fixed tee bend head of test tube, the one end of the fixed tee bend head of test tube passes through the pipe intercommunication and sets up in the one end of urgent atmospheric valve.
Furthermore, the outer surface of the circulation pipeline is provided with a movable tee joint near the edge of one end, and one end of the detection pipeline is communicated with one end of the movable tee joint.
The utility model provides an improved device for emptying a gas storage bottle group of an L-CNG gas station. The method has the following beneficial effects:
(1) this L-CNG gas station gas storage cylinder group's improvement device that emptys through the use of pipeline and urgent atmospheric valve of emptying, can set up urgent emptying devices between gas storage cylinder group and pipeline, sets up one check valve between equipment, gas dispenser and gas storage cylinder group's evacuation pipe, like this when dismantling the relief valve, equipment, gas dispenser evacuation gas can not get into gas storage cylinder group's evacuation pipe, empties through the tower of bleeding.
(2) This L-CNG gas station gas storage cylinder group's improvement device that empties through switching detection mechanism's use, sets up a loose joint, and all need not dismantle when the check-up, connect between the loose joint for the bulb is connected, can dismantle to be connected with the test bench during the check-up relief valve, reduce the dismantlement, avoid connecting thread easy wearing and tearing, damage and the installation after the inspection inconvenient.
(3) The improved device for emptying the gas storage cylinder group of the L-CNG gas station quickly relieves the pressure of natural gas in the gas storage cylinder group and empties the natural gas when an emergency occurs.
(4) The improved device for emptying the gas storage cylinder group of the L-CNG gas station releases pressure through the emergency emptying pipe when the safety valve is detached, so that the risk of operation under pressure of an operator is avoided
Drawings
FIG. 1 is a perspective view from a first perspective of the present invention;
FIG. 2 is a perspective view from a second perspective of the present invention;
FIG. 3 is a perspective view from a third perspective of the present invention;
fig. 4 is a perspective view of a fourth perspective view of the present invention.
In the figure: 1. a main pipeline; 2. the main pipe is fixed with a tee joint; 3. a movable tee joint head; 4. an emergency vent valve; 5. detecting a pipeline; 6. a flow conduit; 7. a check valve; 8. detecting the tee joint; 9. a one-way valve; 10. switching the tee joint; 11. a safety valve; 12. a right angle elbow; 13. an emptying pipeline; 14. the safety valve fixes the tee joint; 15. the three-way head is fixed on the detection tube; 16. the circulation pipe is fixed with the tee joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
Referring to fig. 1-4, the present invention provides a technical solution: an improved device for emptying a gas storage cylinder group of an L-CNG gas station comprises:
two main pipelines 1;
the emptying pipeline 13 is arranged below one main pipeline 1 and is used for emergently emptying the gas storage bottle group when meeting emergencies and conditions;
the switching detection mechanism is arranged on the two main pipelines 1 and used for detecting external equipment, and comprises two switching three-way joints 10, two detection valves 7 and a detection three-way joint 8, wherein the two switching three-way joints 10 are respectively arranged at the tops of the two main pipelines 1, the two detection valves 7 are respectively arranged at one sides of the two switching three-way joints 10 close to each other, and the detection three-way joint 8 is arranged at one end of the two detection valves 7 close to each other; and
and the emergency emptying valve 4 is arranged on the emptying pipeline 13 and is used for controlling gas to enter and exit.
In this embodiment: two trunk lines 1 length is different, 1 below of trunk line of end is located to pipeline 13, the three all connects in the gas bomb, general pipeline detection time need demolish, it is inconvenient nevertheless to detect to connect after accomplishing, through switching tee joint 10, check valve 7 and the use that detects tee joint 8, can need not demolish trunk line 1, last equipment, can detect through check valve 7 etc., do not receive the damage including the screw thread, life has been increased, can set up urgent emptying devices between gas bomb group and pipeline through pipeline 13 and urgent atmospheric valve 4 simultaneously, when meetting emergency, rapid evacuation, guarantee safety.
Specifically, the bottoms of the two main pipelines 1 are respectively provided with a right-angle elbow joint 12, and one ends of the two right-angle elbow joints 12 are respectively provided with a one-way valve 9 through a conduit.
In this embodiment: the right-angle elbow joint 12 can enable the main pipeline 1 to be more conveniently connected with the gas storage cylinder, and the output of a single connecting pipe is controlled through the one-way valve 9, so that the connection is more flexible.
Specifically, the outer surface of one main pipeline 1 is communicated with two main pipe fixing three-way heads 2, the outer surface of the other main pipeline 1 is communicated with one main pipe fixing three-way head 2, and one ends of the three main pipe fixing three-way heads 2 are communicated with one-way valves 9 through guide pipes.
In this embodiment: set up a plurality of check valves 9 and pipeline between equipment, add mechanism of qi and gas bomb group blow-off pipe, like this when dismantling, but the circulation of independent control gas makes equipment, adds mechanism of qi blow-off gas can not get into gas bomb group blow-off pipe, carries out the blow-off through the tower that diffuses.
Specifically, the upper ends of the two switching tee joints 10 are all in threaded connection with safety valves 11, one ends of the two safety valves 11 are all provided with right-angle elbow joints 12 through pipe communication, and the ends, close to each other, of the two right-angle elbow joints 12 are all provided with safety valve fixing tee joints 14 through pipe communication.
In this embodiment: the safety valves 11 ensure the pressure safety inside the gas storage cylinder, and the safety valve fixing tee joint 14 is connected with the two safety valves 11 to circulate the internal gas.
Specifically, one end of the safety valve fixing tee joint 14 is provided with a circulation pipeline 6, the outer surface of the circulation pipeline 6 close to the bottom is provided with a circulation pipe fixing tee joint 16 in a communicating mode, and one end of the circulation pipe fixing tee joint 16 is provided with a vent pipeline 13 in a communicating mode through a guide pipe.
In this embodiment: the flow conduit 6 is the main outlet conduit, which allows the other gases in the cylinder to be discharged outwards, and is connected to the vent conduit 13, which makes the whole usable.
Specifically, the one end installation that detects tee bend head 8 is provided with detection pipeline 5, and the surface of detection pipeline 5 is close to bottom department intercommunication and is provided with the fixed tee bend head 15 of detecting tube, and the one end of the fixed tee bend head 15 of detecting tube passes through the pipe intercommunication and sets up in the one end of urgent atmospheric valve 4.
In this embodiment: the detection pipe 5 is connected with the emergency emptying valve 4, so that the detection together with the safety valve 11 is convenient, and meanwhile, other circulation is facilitated.
Specifically, the outer surface of the circulation pipeline 6 is provided with a movable tee joint 3 near the edge of one end, and one end of the detection pipeline 5 is communicated with one end of the movable tee joint 3.
In this embodiment: the movable tee joint 3 connects the circulation pipeline 6 with the detection pipeline 5 and outputs the circulation pipeline through one pipeline.
During the use, with integral erection on the gas bomb, use, examine time measuring, switching three-way head 10 through two relief valve 11 bottoms settings, detect valve 7 and detection three-way head 8, then need not dismantle relief valve 11, connect for the bulb between the loose joint and connect, can dismantle, prepare an external screw thread area bulb in addition and connect, so that be connected with the test bench during check-up relief valve 11, detect, and, at equipment, be provided with check valve 9 between gas dispenser and the gas bomb group blow-off pipe, when dismantling relief valve 11, equipment, gas dispenser atmospheric gas can not get into gas bomb group pipeline, vent through the tower of diffusing, make when emergency appears, can vent inside gas through urgent atmospheric valve 4, in order to guarantee safe handling.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. An improved device for emptying a gas storage bottle group of an L-CNG gas station is characterized by comprising:
two main conduits (1);
the emptying pipeline (13) is arranged below one main pipeline (1) and is used for emergency emptying of the gas storage bottle group when meeting emergency and conditions;
the switching detection mechanism is arranged on the two main pipelines (1) and used for detecting external equipment, wherein the switching detection mechanism comprises two switching three-way joints (10), two detection valves (7) and a detection three-way joint (8), the two switching three-way joints (10) are respectively arranged at the tops of the two main pipelines (1), the two detection valves (7) are respectively arranged at one sides of the two switching three-way joints (10) close to each other, and the detection three-way joint (8) is arranged at one end of the two detection valves (7) close to each other; and
and the emergency emptying valve (4) is arranged on the emptying pipeline (13) and is used for controlling gas to enter and exit.
2. The improved device for emptying the gas storage cylinder group of the L-CNG gas station according to claim 1, characterized in that the bottoms of the two main pipelines (1) are respectively provided with a right-angle elbow joint (12), and one end of each right-angle elbow joint (12) is communicated with a one-way valve (9) through a conduit.
3. The improved device for emptying the gas storage cylinder group of the L-CNG gas station according to claim 2, wherein two main pipe fixed three-way heads (2) are arranged on the outer surface of one main pipe (1) in a communicating manner, one main pipe fixed three-way head (2) is arranged on the outer surface of the other main pipe (1) in a communicating manner, and one end of each of the three main pipe fixed three-way heads (2) is provided with a one-way valve (9) in a communicating manner through a conduit.
4. The improved device for emptying the gas storage cylinder group of the L-CNG gas station according to claim 3, wherein the upper ends of the two switching tee joints (10) are respectively connected with a safety valve (11) in a threaded manner, one ends of the two safety valves (11) are respectively provided with a right-angled elbow joint (12) through a conduit in a communicating manner, and the ends, close to each other, of the two right-angled elbow joints (12) are respectively provided with a safety valve fixing tee joint (14) through a conduit in a communicating manner.
5. The improved device for emptying the gas storage cylinder group of the L-CNG filling station according to claim 4, wherein one end of the safety valve fixing tee joint (14) is provided with a circulation pipeline (6), the outer surface of the circulation pipeline (6) close to the bottom is provided with a circulation pipe fixing tee joint (16) in a communicating way, and one end of the circulation pipe fixing tee joint (16) is provided with an emptying pipeline (13) in a communicating way through a conduit.
6. The improved device for emptying the gas storage cylinder group of the L-CNG gas station according to claim 5, wherein a detection pipeline (5) is installed at one end of the detection three-way head (8), a detection pipe fixing three-way head (15) is communicated with the outer surface of the detection pipeline (5) close to the bottom, and one end of the detection pipe fixing three-way head (15) is communicated with one end of the emergency emptying valve (4) through a conduit.
7. The improved device for emptying the gas storage cylinder group of the L-CNG gas station according to claim 6, wherein the outer surface of the circulating pipeline (6) is provided with a movable three-way head (3) near one end edge in a communicating manner, and one end of the detection pipeline (5) is provided with one end of the movable three-way head (3) in a communicating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123134581.2U CN216345396U (en) | 2021-12-14 | 2021-12-14 | Improved device for emptying gas storage cylinder group of L-CNG gas station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123134581.2U CN216345396U (en) | 2021-12-14 | 2021-12-14 | Improved device for emptying gas storage cylinder group of L-CNG gas station |
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| Publication Number | Publication Date |
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| CN216345396U true CN216345396U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123134581.2U Active CN216345396U (en) | 2021-12-14 | 2021-12-14 | Improved device for emptying gas storage cylinder group of L-CNG gas station |
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| CN (1) | CN216345396U (en) |
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- 2021-12-14 CN CN202123134581.2U patent/CN216345396U/en active Active
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