CN212252076U - Natural gas decompression metering pry device - Google Patents
Natural gas decompression metering pry device Download PDFInfo
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- CN212252076U CN212252076U CN201922288606.0U CN201922288606U CN212252076U CN 212252076 U CN212252076 U CN 212252076U CN 201922288606 U CN201922288606 U CN 201922288606U CN 212252076 U CN212252076 U CN 212252076U
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Abstract
The utility model relates to a natural gas decompression measurement sled device, including air source interface, vaporizer, decompression metering device and gas phase interface, air source interface includes tank car liquid phase interface, pressure boost tank car gas phase interface and gas cylinder interface, the vaporizer includes main vaporizer and pressure boost vaporizer, decompression metering device includes main route and reserve route, the beneficial effects of the utility model reside in that, there are multiple air source interface, deal with different air supplies, can carry in reducing pressure in same set of system to safe and durable has reserve pipeline, can switch to reserve pipeline at once and carry when the proruption situation of main line, guarantees safety and conveying efficiency.
Description
Technical Field
The utility model belongs to the technical field of the natural gas transportation equipment, concretely relates to natural gas decompression measurement sled device.
Background
The tail end of the natural gas is directly conveyed to a user port, the phase state and the pressure of the used natural gas are completely different from those of the conveyed natural gas, generally speaking, the natural gas is converted from high-pressure liquid natural gas into low-pressure gas for direct use, and the conventional natural gas pressure reducing device has low conversion effect and single function, can only carry out pressure reducing conveying on the natural gas for transporting automobiles or pipelines, and therefore is poor in universality.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem in the background art, propose one kind, satisfied relevant technical demand, concrete technical scheme is as follows:
the natural gas pressure-reducing metering pry device comprises a gas source interface, a vaporizer, a pressure-reducing metering device and a gas phase interface, wherein the gas source interface comprises a tank car liquid phase interface, a pressure-increasing tank car gas phase interface and a gas cylinder interface, the vaporizer comprises a main vaporizer and a pressure-increasing vaporizer, the pressure-reducing metering device comprises a main route and a standby route, the tank car liquid phase interface is connected with the pressure-increasing vaporizer, the main vaporizer, the pressure-reducing metering device and the gas phase interface in an interconnecting mode, or the tank car liquid phase interface is connected with the main vaporizer, the pressure-reducing metering device and the gas phase interface in an interconnecting mode to form a first pressure-reducing route; the gas cylinder interface is connected with the pressure-increasing vaporizer, the main vaporizer, the pressure-reducing metering device and the gas phase interface to form a second pressure-reducing route; and the gas phase interface of the pressurization tank car is connected with the pressurization vaporizer, the main vaporizer, the decompression metering device and the gas phase interface to form a third decompression route.
As a further technical solution of the present invention, in the first pressure reducing route, the tank car liquid phase interface includes a first tank car liquid phase interface and a second tank car liquid phase interface, the first tank car liquid phase interface is connected with a ball valve, and then connected with the main vaporizer, and then connected to the pressure reducing metering device, and finally connected to the gas phase interface;
the liquid phase interface of the second tank car is connected with a ball valve and then divided into two paths, one path is directly connected with the main vaporizer through the ball valve and then connected with the pressure reduction metering device, and finally connected with the gas phase interface, the other path is connected with the pressurization vaporizer, then connected with the main vaporizer through the path changing ball valve and then connected with the pressure reduction metering device, and finally connected with the gas phase interface.
As a further technical scheme of the utility model, in the second decompression route, 12 are no less than to gas cylinder interface quantity to there are relief valve and manometer in gas cylinder interface parallelly connected.
As a further technical scheme of the utility model, in the third decompression route, pressure boost tank wagon gas phase interface passes through the ball valve and inserts between pressure boost vaporizer and the ball valve of changing the way.
As a further technical scheme of the utility model, main route all is equipped with filter, relief valve and manometer with reserve route to the business turn over direction of main route and reserve route all is equipped with the ball valve, be equipped with mutual parallelly connected measurement branch road and reserve branch road between main route, reserve route and the gas phase interface, be equipped with metering device, ball valve and manometer in proper order on the measurement branch road, be equipped with relief valve, ball valve and manometer in proper order on the reserve branch road.
As a further technical proposal of the utility model, the capacity of the main vaporizer is larger than that of the pressure-increasing vaporizer.
As a further technical scheme of the utility model, metering device is conventional natural gas counter.
The beneficial effects of the utility model reside in that, there are multiple air source interface, the different air supplies of reply, can carry out the decompression in same set of system and carry to safe durable has spare pipeline, can switch to spare pipeline at once and carry when main line emergency, guarantees safety and conveying efficiency.
Drawings
Fig. 1 is a system structure diagram of the present invention.
Wherein: the device comprises a gas phase interface 1, a first tank car liquid phase interface 2, a second tank car liquid phase interface 3, a pressurizing tank car gas phase interface 4, a gas cylinder interface 5, a main vaporizer 6, a pressurizing vaporizer 7, a main route 8, a standby route 9, a ball valve 10, a route changing ball valve 11, a safety valve 12, a pressure gauge 13, a filter 14, a metering branch 15, a standby branch 16 and a metering device 17.
Detailed Description
Embodiments of the present invention will be described with reference to the accompanying drawings and related embodiments, wherein the following embodiments are only preferred embodiments for better illustrating the present invention, and the embodiments of the present invention are not limited to the following embodiments, and the related essential components of the present invention related to the technical field should be considered as known in the art and can be known and mastered by those skilled in the technical field.
In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, only for the purpose of simplifying the description and not for the purpose of indicating or implying that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, but rather as "first," "second," and the like are used merely to better distinguish between various components and not limitations of the component naming and order of function.
With reference to the attached drawing, the natural gas pressure-reducing metering pry device comprises a gas source interface, a vaporizer, a pressure-reducing metering device and a gas phase interface 1, wherein the gas source interface comprises a tank car liquid phase interface, a pressurizing tank car gas phase interface 4 and a gas cylinder interface 5, the vaporizer comprises a main vaporizer 6 and a pressurizing vaporizer 7, the pressure-reducing metering device comprises a main route 8 and a standby route 9, the tank car liquid phase interface is connected with the pressurizing vaporizer 7, the main vaporizer 6, the pressure-reducing metering device and the gas phase interface 1, or the tank car liquid phase interface is connected with the main vaporizer 6, the pressure-reducing metering device and the gas phase interface 1 to form a first pressure-reducing route; the gas cylinder interface 5, the pressure-increasing vaporizer 7, the main vaporizer 6, the pressure-reducing metering device and the gas phase interface 1 are mutually connected to form a second pressure-reducing route; and the gas phase interface 4 of the pressurization tank car, the pressurization vaporizer 7, the main vaporizer 6, the pressure reduction metering device and the gas phase interface 1 are connected with each other to form a third pressure reduction route.
The utility model discloses an implementation principle lies in, through the setting of first decompression route, second decompression route and third decompression route, make this equipment can freely deal with the transport requirements that come from multiple air supplies such as natural gas transport vechicle, pipeline natural gas, gas cylinder natural gas, for example when selecting to use the natural gas transport vechicle, if the natural gas is liquid, then access equipment through tank wagon liquid phase interface, and other branches realize the disconnection through closing corresponding ball valve 10, then the liquefied gas will be through the gasification of vaporizer, become gaseous natural gas, under the effect of decompression dosage device, decompress and export through gaseous phase interface 1 according to the measurement; similarly, when the gas source type is a pipeline natural gas type or a gas cylinder natural gas type, the interfaces of other routes are disconnected through the ball valve 10, and the gas is output through the gas phase interface 1 according to the functions of the vaporizer and the pressure reduction metering device, so that the operation is very convenient and fast; meanwhile, when a certain line breaks down, the on-off condition of the ball valves 10 of different lines is changed, so that the line can be normally carried out according to requirements, for example, when the liquid phase interface of the tank car breaks down, the corresponding ball valve 10 is disconnected, the gas phase interface 4 of the pressurizing tank car is changed into the liquid phase interface for continuous use, in the pressure reduction metering device, the double-channel arrangement is also adopted, when the main line breaks down, the ball valve 10 on the main line is disconnected, the ball valve 10 of the standby line is opened, and therefore the line can be rapidly switched to supply gas.
In a preferred embodiment, in the first pressure reduction route, the tank car liquid phase interface comprises a first tank car liquid phase interface 2 and a second tank car liquid phase interface 3, the first tank car liquid phase interface 2 is connected with a ball valve 10, then is connected with a main vaporizer 6, and then is connected with a pressure reduction metering device, and finally is connected with a gas phase interface 1;
the liquid phase interface of the second tank car is connected with a ball valve 10 and then divided into two paths, one path is directly connected with the main vaporizer 6 through the ball valve 10 and then connected with the pressure reducing metering device and finally connected with the gas phase interface 1, the other path is connected with the pressure increasing vaporizer 7 and then connected with the main vaporizer 6 through the path changing ball valve 11 and then connected with the pressure reducing metering device and finally connected with the gas phase interface 1.
With reference to the drawings, it can be seen that in the first pressure reducing route, two tank car liquid phase interfaces exist, so that the liquid phase natural gas from the tank car can select two different gasification routes to meet the gasification requirements of different capacities, for example, when large capacity gasification is required, the main vaporizer 6 and the pressure boost vaporizer 7 of the equipment can simultaneously operate through the second tank car liquid phase interface 3, wherein the second tank car liquid phase interface 3 is connected with a route changing ball valve 11, the route changing ball valve 11 is a ball valve in nature, but the difference is that the route changing ball valve 11 can change the operating state of the second tank car liquid phase interface 3 by switching on or off, and the route changing ball valve 11 can also change the trend of the gas phase interface 4 from the pressure boost tank car, so that the route can independently leave the main vaporizer 6, or leave the pressure boost vaporizer 7 first, then, the main vaporizer 6 is switched.
In a preferred embodiment, in the second pressure reduction route, the number of the gas cylinder interfaces 5 is not less than 12, and the safety valve 12 and the pressure gauge 13 are connected in parallel at the gas cylinder interfaces 5, so that the safety of gas cylinder input is ensured.
In a preferred embodiment, in the third pressure reducing route, the gas phase interface 4 of the pressurized tank car is connected between the pressurized carburetor 7 and the route changing ball valve 11 through the ball valve 10, and in combination with the above description, the route of the gas path can be changed by using the route changing ball valve 11, and the gas path cannot be interfered by other interfaces.
In a preferred embodiment, the main line 8 and the standby line 9 are provided with a filter 14, a safety valve 12 and a pressure gauge 13, and the inlet and outlet directions of the main route 8 and the standby route 9 are both provided with ball valves 10, a metering branch 15 and a standby branch 16 which are mutually connected in parallel are arranged between the main route 8 and the gas phase interface 1 and between the standby route 9 and the gas phase interface 1, the metering branch 15 is sequentially provided with a metering device 17, a ball valve 10 and a pressure gauge 13, the standby branch 16 is provided with a safety valve 12, a ball valve 10 and a pressure gauge 13 in sequence, generally speaking, only the main line 8 and the metering branch 15 are required to be communicated, the remaining shutdowns can satisfy the work requirement, but in case of failure of the primary route 8 or the metering branch 15, the on-off condition of the ball valve 10 on each route is changed, so that the gas route flows through the standby route 9 or the standby branch 16, and the continuity and the safety of natural gas transportation are ensured.
In a preferred embodiment, the main vaporizer 6 has a larger capacity than the booster vaporizer 7, so that the natural gas delivery requirements are generally met by the vaporization of the main vaporizer 6, and the booster vaporizer 7 is simultaneously turned on to increase the vaporization capacity, if necessary.
In a preferred embodiment, the metering device 16 is a conventional natural gas meter, ensuring accuracy and versatility of dosing.
The beneficial effects of the utility model reside in that, there are multiple air source interface, the different air supplies of reply, can carry out the decompression in same set of system and carry to safe durable has spare pipeline, can switch to spare pipeline at once and carry when main line emergency, guarantees safety and conveying efficiency.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The natural gas pressure-reducing metering pry device is characterized by comprising an air source interface, a vaporizer, a pressure-reducing metering device and a gas phase interface, wherein the air source interface comprises a tank car liquid phase interface, a pressure-increasing tank car gas phase interface and a gas cylinder interface, the vaporizer comprises a main vaporizer and a pressure-increasing vaporizer, the pressure-reducing metering device comprises a main route and a standby route, the tank car liquid phase interface is connected with the pressure-increasing vaporizer, the main vaporizer, the pressure-reducing metering device and the gas phase interface, or the tank car liquid phase interface is connected with the main vaporizer, the pressure-reducing metering device and the gas phase interface to form a first pressure-reducing route; the gas cylinder interface is connected with the pressure-increasing vaporizer, the main vaporizer, the pressure-reducing metering device and the gas phase interface to form a second pressure-reducing route; and the gas phase interface of the pressurization tank car is connected with the pressurization vaporizer, the main vaporizer, the decompression metering device and the gas phase interface to form a third decompression route.
2. The natural gas pressure reducing metering pry device according to claim 1, wherein in the first pressure reducing route, the tank car liquid phase interface comprises a first tank car liquid phase interface and a second tank car liquid phase interface, the first tank car liquid phase interface is connected with a ball valve, then is connected with a main vaporizer, then is connected with a pressure reducing metering device, and finally is connected with a gas phase interface;
the liquid phase interface of the second tank car is connected with a ball valve and then divided into two paths, one path is directly connected with the main vaporizer through the ball valve and then connected with the pressure reduction metering device, and finally connected with the gas phase interface, the other path is connected with the pressurization vaporizer, then connected with the main vaporizer through the path changing ball valve and then connected with the pressure reduction metering device, and finally connected with the gas phase interface.
3. The natural gas decompression metering pry device according to claim 1, wherein in the second decompression route, the number of the gas cylinder connectors is not less than 12, and a safety valve and a pressure gauge are connected in parallel to the gas cylinder connectors.
4. The natural gas pressure reducing and metering pry device according to claim 1, wherein in the third pressure reducing route, the gas phase interface of the pressurizing tanker is connected between the pressurizing carburetor and the route changing ball valve through a ball valve.
5. The natural gas decompression, metering and prying device according to claim 1, wherein the main line and the standby line are provided with a filter, a safety valve and a pressure gauge, the main line and the standby line are provided with ball valves in the inlet and outlet directions, a metering branch and a standby branch are arranged between the main line and the standby line and are connected in parallel, the metering branch is provided with the metering device, the ball valve and the pressure gauge in sequence, and the standby branch is provided with the safety valve, the ball valve and the pressure gauge in sequence.
6. The natural gas pressure reducing metering pry apparatus of claim 1, wherein the main vaporizer has a capacity greater than the booster vaporizer.
7. The natural gas pressure reducing metering pry apparatus of claim 5, wherein the metering device is a conventional natural gas meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288606.0U CN212252076U (en) | 2019-12-18 | 2019-12-18 | Natural gas decompression metering pry device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288606.0U CN212252076U (en) | 2019-12-18 | 2019-12-18 | Natural gas decompression metering pry device |
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| Publication Number | Publication Date |
|---|---|
| CN212252076U true CN212252076U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922288606.0U Active CN212252076U (en) | 2019-12-18 | 2019-12-18 | Natural gas decompression metering pry device |
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| CN (1) | CN212252076U (en) |
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- 2019-12-18 CN CN201922288606.0U patent/CN212252076U/en active Active
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