CN214064576U - Liquefied gas transportation semitrailer with emergency cutoff function - Google Patents
Liquefied gas transportation semitrailer with emergency cutoff function Download PDFInfo
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- CN214064576U CN214064576U CN202120019205.XU CN202120019205U CN214064576U CN 214064576 U CN214064576 U CN 214064576U CN 202120019205 U CN202120019205 U CN 202120019205U CN 214064576 U CN214064576 U CN 214064576U
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- emergency stop
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Abstract
The utility model provides a liquefied gas transportation semitrailer with promptly cut off function belongs to transportation semitrailer technical field, and this liquefied gas transportation semitrailer with promptly cut off function includes the frame, the last fixed surface of frame is connected with a jar body, the top fixedly connected with relief valve of the jar body, one side fixedly connected with valve box of frame, the inside of valve box is provided with liquid phase emergency stop valve and gaseous phase emergency stop valve, the equal fixedly connected with pipeline of one end of liquid phase emergency stop valve and gaseous phase emergency stop valve, the one end of gaseous phase emergency stop valve is passed through pipeline difference fixedly connected with gaseous phase ball valve and ball valve for the manometer, the one end of gaseous phase ball valve is passed through pipeline difference fixedly connected with gaseous phase diffusion valve and gaseous phase quick-operation joint. When the liquefied gas transportation semi-trailer with the emergency cut-off function is in a fire disaster at the valve box and cannot be close to the valve box, the emergency oil discharge valve can be opened beside the rear bumper.
Description
Technical Field
The utility model belongs to the technical field of the transportation semitrailer, concretely relates to liquefied gas transportation semitrailer with promptly cut off function.
Background
The liquefied petroleum gas is a colorless volatile liquid obtained by pressurizing, cooling and liquefying natural gas or petroleum in an oil refinery. It is very easy to self-ignite, and when its content in air reaches a certain concentration range, it can explode when it meets open fire, so that when the liquefied petroleum gas is transported, it needs to use special liquefied gas transportation semi-trailer.
The liquefied gas transportation semitrailer who uses at present is inconvenient when liquefied gas loading and unloading, has certain potential safety hazard to liquefied gas transportation semitrailer does not mostly set up manual shut-off emergency valve, when valve box department breaks out a fire, can not close the emergency shut-off emergency valve the very first time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquefied gas transportation semitrailer with emergency shutdown function aims at solving among the prior art liquefied gas transportation semitrailer inconvenient when liquefied gas loads and unloads, has certain potential safety hazard to liquefied gas transportation semitrailer does not mostly set up manual closing emergency shutdown valve, when valve box department breaks out a fire, can not close the problem of emergency shutdown valve the very first time.
In order to achieve the above object, the utility model provides a following technical scheme: a liquefied gas transportation semitrailer with an emergency cut-off function comprises a frame, wherein a tank body is fixedly connected to the upper surface of the frame, a safety valve is fixedly connected to the top end of the tank body, a valve box is fixedly connected to one side of the frame, a liquid-phase emergency stop valve and a gas-phase emergency stop valve are arranged inside the valve box, a pipeline is fixedly connected to one end of each of the liquid-phase emergency stop valve and the gas-phase emergency stop valve, a gas-phase ball valve and a pressure gauge ball valve are respectively and fixedly connected to one end of the gas-phase emergency stop valve through pipelines, a gas-phase blow-off valve and a gas-phase quick connector are respectively and fixedly connected to one end of the pressure gauge ball valve through a pipeline, a pressure gauge is fixedly connected to one end of the liquid-phase emergency stop valve through a pipeline, a liquid-phase blow-off valve and a liquid-phase quick connector are respectively and fixedly connected to one end of the liquid-phase ball valve through a pipeline, the emergency gas-phase stop valve is characterized in that one end of the emergency gas-phase stop valve is fixedly connected with an emergency oil discharge valve and a series valve through pipelines respectively, one end of the series valve is fixedly connected with a manual oil pump, one side of the manual oil pump is movably connected with an oil return valve handle, and one side of the manual oil pump is movably connected with a pressurizing handle.
In order to make this liquefied gas transportation semitrailer with emergency shutdown function conveniently watch the internal liquid loading condition of jar, conduct the utility model relates to an it is preferred, the one end fixedly connected with level gauge of the jar body.
In order to make this liquefied gas transportation semitrailer with emergency shutdown function prevent that electrostatic spark from causing the incident, as the utility model relates to an it is preferred, one side fixedly connected with conductive band of frame lower surface.
In order to make this liquefied gas transportation semitrailer with emergency shutdown function promptly put out a fire, as the utility model relates to an it is preferred, the bottom of frame is provided with the fire extinguisher.
In order to make this liquefied gas transportation semitrailer with emergency shutdown function can observe the internal temperature of jar, as the utility model relates to an it is preferred, the inner wall fixedly connected with thermometer of the jar body.
In order to make this liquefied gas transportation semitrailer with emergency shutdown function safer, as the utility model relates to an it is preferred, the bottom fixed connection of manual oil pump is in the one end of frame.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the liquefied gas transportation semitrailer with the emergency cut-off function is characterized in that a liquid phase emergency stop valve, a gas phase emergency stop valve, a pipeline, a gas phase ball valve, a ball valve for a pressure gauge, a gas phase blow-off valve, a gas phase quick joint, a pressure gauge, a liquid phase ball valve, a liquid phase blow-off valve and a liquid phase quick joint are arranged in a matched mode, a valve box is opened, then the gas phase blow-off valve and the liquid phase blow-off valve are opened, gas which possibly leaks out is discharged and then closed, quick joint caps of the gas phase quick joint and the liquid phase quick joint are taken down, a loading and unloading hose is respectively connected to interfaces of the gas phase quick joint and the liquid phase quick joint, the other end of the hose is respectively connected to a gas phase interface and a liquid phase interface of a liquid unloading pipeline, then air in the hose is discharged, a manual oil pump is operated, the emergency cut-off valve is driven to an opening position, a series valve is closed, an oil pipeline system is ensured, and liquid can be loaded by opening the gas phase ball valve and the liquid phase ball valve, after filling, the serial valve is opened, the pressure of the manual oil pump is removed, and the gas-phase emergency cut-off valve, the liquid-phase emergency cut-off valve and the valve of the gas station close to the hose are closed, so that the liquefied gas carrier vehicle is more convenient to load and unload liquefied gas, the liquefied gas is simple to load and unload, and the liquefied gas is safer to load and unload by arranging the valves.
2. The liquefied gas transportation semitrailer with the emergency cut-off function is characterized in that an emergency oil discharge valve, a series valve, a manual oil pump, an oil return valve handle and a pressurizing handle are arranged in a matched mode, the manual oil pump is used for providing oil pressure for an oil cylinder of the emergency cut-off valve, the emergency cut-off valve is further opened, the oil pressure is discharged, the oil automatically returns to an oil cup, the cut-off valve is also closed automatically, the series valve is opened firstly when oil pressure is added, then the oil return valve handle is opened at an 'off' position, the pressurizing handle is shaken to pressurize, the series valve is closed after pressurization, then loading and unloading are carried out, the series valve is opened firstly when the oil pressure is discharged, then the oil return valve handle is opened at an 'on' position to discharge the oil pressure, when petroleum gas is loaded and unloaded, in case a fire disaster happens at the position of a valve box and the valve box cannot be closed, the emergency oil discharge valve can be opened beside a rear bumper, and the emergency cut-off valve can be closed quickly.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic view of the internal connection structure of the valve box of the present invention;
fig. 3 is the structure schematic diagram is surveyed to well manual oil pump's axle.
In the figure: 1. a frame; 2. a tank body; 3. a safety valve; 4. a liquid level meter; 5. a conductive tape; 6. a fire extinguisher; 7. a valve box; 8. a thermometer; 9. a liquid phase emergency stop valve; 10. a gas phase emergency stop valve; 11. a pipeline; 12. a gas phase ball valve; 13. a ball valve for a pressure gauge; 14. a gas phase bleeding valve; 15. a gas phase quick coupling; 16. a pressure gauge; 17. a liquid phase ball valve; 18. a liquid phase bleed valve; 19. a liquid phase quick coupling; 20. an emergency oil drain valve; 21. a series valve; 22. a manual oil pump; 23. an oil return valve handle; 24. a handle is pressurized.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a liquefied gas transportation semitrailer with an emergency cut-off function comprises a frame 1, wherein the upper surface of the frame 1 is fixedly connected with a tank body 2, the top end of the tank body 2 is fixedly connected with a safety valve 3, one side of the frame 1 is fixedly connected with a valve box 7, a liquid phase emergency stop valve 9 and a gas phase emergency stop valve 10 are arranged inside the valve box 7, one ends of the liquid phase emergency stop valve 9 and the gas phase emergency stop valve 10 are both fixedly connected with a pipeline 11, one end of the gas phase emergency stop valve 10 is respectively and fixedly connected with a gas phase ball valve 12 and a ball valve 13 for a pressure gauge through the pipeline 11, one end of the gas phase ball valve 12 is respectively and fixedly connected with a gas phase blow-off valve 14 and a gas phase quick joint 15 through the pipeline 11, one end of the ball valve 13 for the pressure gauge is fixedly connected with a pressure gauge 16 through the pipeline 11, one end of the liquid phase emergency stop valve 9 is fixedly connected with a liquid phase ball valve 17 through the pipeline 11, one end of the liquid phase ball valve 17 is fixedly connected with a liquid phase bleeding valve 18 and a liquid phase quick coupling 19 through a pipeline 11 respectively, one end of the gas phase emergency stop valve 10 is fixedly connected with an emergency oil discharge valve 20 and a series valve 21 through a pipeline 11 respectively, one end of the series valve 21 is fixedly connected with a manual oil pump 22, one side of the manual oil pump 22 is movably connected with an oil return valve handle 23, and one side of the manual oil pump 22 is movably connected with a pressurizing handle 24.
In the embodiment of the present invention, the liquid phase emergency stop valve 9, the gas phase emergency stop valve 10, the pipeline 11, the gas phase ball valve 12, the ball valve 13 for the pressure gauge, the gas phase blow-off valve 14, the gas phase quick coupling 15, the pressure gauge 16, the liquid phase ball valve 17, the liquid phase blow-off valve 18 and the liquid phase quick coupling 19 are cooperatively disposed, the valve box 7 is opened, then the gas phase blow-off valve 14 and the liquid phase blow-off valve 18 are opened, the gas phase blow-off valve is closed after the gas which may leak out is discharged, the quick coupling caps of the gas phase quick coupling 15 and the liquid phase quick coupling 19 are removed, the loading and unloading hoses are respectively connected to the interfaces of the gas phase quick coupling 15 and the liquid phase quick coupling 19, the other ends of the hoses are respectively connected to the gas phase interface and the liquid phase interface of the liquid unloading pipeline, then the air in the hoses is discharged, the manual oil pump 22 is operated, the emergency stop valve is opened, the series valve 21 is closed, so as to make the oil circuit system, the gas phase ball valve 12 and the liquid phase ball valve 17 are opened to fill liquid, after filling, the series valve 21 is opened, the pressure of the manual oil pump 22 is removed, the gas phase emergency stop valve 10, the liquid phase emergency stop valve 9 and the valve of the gas station by the hose are closed, the liquefied gas transport vehicle is more convenient to load and unload liquefied gas, the loading and unloading of liquefied gas are safer by arranging a plurality of valves, the emergency oil discharge valve 20, the series valve 21, the manual oil pump 22, the oil return valve handle 23 and the pressurizing handle 24 are arranged in a matching way, the manual oil pump 22 supplies oil pressure to the oil cylinder of the emergency stop valve, the emergency oil discharge valve 20 is opened, the oil pressure is removed, the oil automatically returns to the oil cup, the emergency stop valve is closed automatically, the series valve 21 is opened firstly during oil pressure filling operation, then the oil return valve handle 23 is opened at the 'off' position, the pressurizing can be carried out by shaking the pressurizing handle 24, after pressurizing, the tandem valve 21 is closed, then the loading and unloading work is carried out, when the oil pressure is unloaded, the tandem valve 21 is firstly opened, then the oil return valve handle is opened 23 to the 'on' position, the oil pressure can be unloaded, when the petroleum gas is loaded and unloaded, in case of fire disaster at the valve box 7 and the valve box can not be closed, the emergency oil unloading valve 20 can be opened at the side of the rear bumper, and the emergency cut-off valve can be quickly closed.
Specifically, one end of the tank body 2 is fixedly connected with a liquid level meter 4.
In this embodiment: the liquid filling condition in the tank body 2 is conveniently watched through the liquid level meter 4.
Specifically, one side of the lower surface of the frame 1 is fixedly connected with a conductive belt 5.
In this embodiment: the safety accident caused by the electrostatic spark is prevented by the conductive tape 5.
Specifically, the bottom end of the frame 1 is provided with a fire extinguisher 6.
In this embodiment: the fire extinguisher 6 is used for emergency fire extinguishing.
Specifically, the inner wall of the tank body 2 is fixedly connected with a thermometer 8.
In this embodiment: the temperature inside the can body 2 can be observed by the thermometer 8.
Specifically, the bottom end of the manual oil pump 22 is fixedly connected to one end of the frame 1.
In this embodiment: the manual oil pump 22 is far away from the valve box 7, so that the emergency cut-off valve can be quickly closed when the valve box 7 is on fire, and the transportation semitrailer is safer.
The utility model discloses a theory of operation and use flow: when the liquefied gas transportation semitrailer with the emergency cut-off function is used, a valve box 7 is opened, a gas phase diffusion valve 14 and a liquid phase diffusion valve 18 are opened, gas which possibly leaks out is discharged and then closed, quick connector caps of a gas phase quick connector 15 and a liquid phase quick connector 19 are taken down, loading and unloading hoses are respectively connected to interfaces of the gas phase quick connector 15 and the liquid phase quick connector 19, the other ends of the hoses are respectively connected to a gas phase interface and a liquid phase interface of a liquid unloading pipeline, then air in the hoses is discharged, a manual oil pump 22 is operated, the emergency cut-off valve is opened to an opening position, the serial valve 21 is closed, an oil circuit system is pressurized, liquid can be filled by opening the gas phase ball valve 12 and the liquid phase ball valve 17, the serial valve 21 is opened after the liquid is filled, the pressure of the manual oil pump 22 is unloaded, the gas phase emergency cut-off valve 10, the liquid phase emergency cut-off valve 9 and the valve of the gas station close to the valves of the hoses, the liquefied gas carrier vehicle is more convenient to load and unload liquefied gas, the liquefied gas is easy to load and unload, the liquefied gas is safer to load and unload by arranging a plurality of valves, the manual oil pump 22 provides oil pressure for the oil cylinder of the emergency cut-off valve, then the emergency oil discharge valve 20 is opened to discharge the oil pressure, the oil automatically returns to the oil cup, the emergency cut-off valve is automatically closed, when the oil pressure is added, the series valve 21 is opened firstly, then the handle 23 of the oil return valve is opened at the 'off' position, the pressurizing handle 24 is shaken to pressurize, after pressurization, the series valve 21 is closed, then, the loading and unloading work is carried out, when the oil pressure is unloaded, the tandem valve 21 is firstly opened, then the oil return valve handle 23 is opened at the 'open' position, the oil pressure can be unloaded, when the petroleum gas is loaded and unloaded, in case of fire disaster at the valve box 7 and the petroleum gas can not be close to the valve box, the emergency oil discharge valve 20 can be opened beside the rear bumper, and the emergency cut-off valve can be closed quickly.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a liquefied gas transportation semitrailer with emergency shutdown function, includes frame (1), its characterized in that: the upper surface of the frame (1) is fixedly connected with a tank body (2), the top end of the tank body (2) is fixedly connected with a safety valve (3), one side of the frame (1) is fixedly connected with a valve box (7), a liquid phase emergency stop valve (9) and a gas phase emergency stop valve (10) are arranged inside the valve box (7), one ends of the liquid phase emergency stop valve (9) and the gas phase emergency stop valve (10) are fixedly connected with a pipeline (11), one end of the gas phase emergency stop valve (10) is respectively and fixedly connected with a gas phase ball valve (12) and a ball valve (13) for a pressure gauge through the pipeline (11), one end of the gas phase ball valve (12) is respectively and fixedly connected with a gas phase relief valve (14) and a gas phase quick connector (15) through the pipeline (11), one end of the ball valve (13) for the pressure gauge is fixedly connected with a pressure gauge (16) through the pipeline (11), pipeline (11) fixedly connected with liquid phase ball valve (17) are passed through to the one end of liquid phase emergency stop valve (9), pipeline (11) are passed through to the one end of liquid phase ball valve (17) respectively fixedly connected with liquid phase blow-off valve (18) and liquid phase quick-operation joint (19), pipeline (11) are passed through to the one end of gaseous phase emergency stop valve (10) respectively fixedly connected with emergency oil drain valve (20) and series valve (21), the one end fixedly connected with manual oil pump (22) of series valve (21), one side swing joint of manual oil pump (22) has back oil valve handle (23), one side swing joint of manual oil pump (22) has pressurization handle (24).
2. A liquefied gas transportation semitrailer with an emergency cut-off function according to claim 1, characterized in that: one end of the tank body (2) is fixedly connected with a liquid level meter (4).
3. A liquefied gas transportation semitrailer with an emergency cut-off function according to claim 1, characterized in that: and one side of the lower surface of the frame (1) is fixedly connected with a conductive belt (5).
4. A liquefied gas transportation semitrailer with an emergency cut-off function according to claim 1, characterized in that: and a fire extinguisher (6) is arranged at the bottom end of the frame (1).
5. A liquefied gas transportation semitrailer with an emergency cut-off function according to claim 1, characterized in that: the inner wall of the tank body (2) is fixedly connected with a thermometer (8).
6. A liquefied gas transportation semitrailer with an emergency cut-off function according to claim 1, characterized in that: the bottom end of the manual oil pump (22) is fixedly connected to one end of the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120019205.XU CN214064576U (en) | 2021-01-06 | 2021-01-06 | Liquefied gas transportation semitrailer with emergency cutoff function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120019205.XU CN214064576U (en) | 2021-01-06 | 2021-01-06 | Liquefied gas transportation semitrailer with emergency cutoff function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214064576U true CN214064576U (en) | 2021-08-27 |
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ID=77369182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120019205.XU Active CN214064576U (en) | 2021-01-06 | 2021-01-06 | Liquefied gas transportation semitrailer with emergency cutoff function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214064576U (en) |
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2021
- 2021-01-06 CN CN202120019205.XU patent/CN214064576U/en active Active
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