CN209801141U - LPG tank car with pump - Google Patents
LPG tank car with pump Download PDFInfo
- Publication number
- CN209801141U CN209801141U CN201920480208.6U CN201920480208U CN209801141U CN 209801141 U CN209801141 U CN 209801141U CN 201920480208 U CN201920480208 U CN 201920480208U CN 209801141 U CN209801141 U CN 209801141U
- Authority
- CN
- China
- Prior art keywords
- liquid phase
- phase pipe
- pipe
- valve
- gas phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model aims at providing a higher LPG tank car of taking pump of security. An LPG tank truck with a pump comprises a storage tank arranged on a truck body, wherein the storage tank is provided with a gas phase pipeline and a liquid phase pipeline, a pump is matched with the liquid phase pipeline and is connected with a liquid phase pipe, the gas phase pipeline is connected with a gas phase pipe, the liquid phase pipe at least comprises a first liquid phase pipe, a second liquid phase pipe and a third liquid phase pipe, the gas phase pipe at least comprises a first gas phase pipe, the middle section of the first liquid phase pipe is provided with a flowmeter, the two ends of the second liquid phase pipe are respectively connected with the rear section of the first liquid phase pipe and the front section of the first liquid phase pipe, a differential pressure bypass valve is arranged at the middle section of the second liquid phase pipe, one end of the third liquid phase pipe is connected with the differential pressure bypass valve, the other end of the third liquid phase pipe is connected with the storage tank, the first liquid phase pipe is provided with a first valve for blocking liquid from passing through the flowmeter, and a second valve used for communicating the first liquid phase pipe with the second liquid phase pipe is arranged at the front section of the second liquid phase pipe.
Description
Technical Field
The utility model relates to a LPG tank car with pump.
Background
An existing LPG tank truck, such as the tank truck with the patent number of 201720939169.2, is simple in pipeline structure, and when a small-sized storage tank or a gas cylinder is filled, the situation of overpressure filling is easy to happen, and safety accidents are easy to happen.
Disclosure of Invention
The utility model aims at providing a higher LPG tank car of taking pump of security.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an LPG tank car with a pump comprises a storage tank arranged on a car body, wherein the storage tank is provided with a gas phase pipeline and a liquid phase pipeline, the liquid phase pipeline is matched with the pump and is connected with a liquid phase pipe, the gas phase pipeline is connected with a gas phase pipe, the liquid phase pipe at least comprises a first liquid phase pipe, a second liquid phase pipe and a third liquid phase pipe, the gas phase pipe at least comprises a first gas phase pipe, the rear end of the first liquid phase pipe is communicated with the storage tank, the front end of the first liquid phase pipe is connected with a liquid phase hose, the first gas phase pipe is connected with a gas phase hose, the end parts of the liquid phase hose and the gas phase hose are respectively provided with a connector for connecting with a container to be filled, the middle section of the first liquid phase pipe is provided with a flowmeter, the two ends of the second liquid phase pipe are respectively connected with the rear section of the first liquid phase pipe and the front section of the first liquid phase pipe, the middle, the other end of the third liquid phase pipe is connected with the storage tank, the first liquid phase pipe is provided with a first valve used for blocking liquid from passing through the flowmeter, and the front section of the second liquid phase pipe is provided with a second valve used for enabling the first liquid phase pipe to be communicated with the second liquid phase pipe.
When the tank car fills dress to small-size storage tank or gas cylinder, first valve normally opens and the second valve normal close, and the liquefied gas is leading-in to waiting to fill in the container through first liquid phase pipe in, and the gaseous leading-in to the storage tank in waiting to fill the container simultaneously to realize gas-liquid balance. When the pressure is over-pressure in the filling process, the differential pressure bypass valve is opened, and a part of liquid flows back to the storage tank through the third liquid phase pipe to play a role in reducing pressure and shunting. When the flowmeter is damaged so that the liquefied gas cannot smoothly pass through, the second valve can be opened and the first valve can be closed. The delivery of liquefied gas is achieved through a second liquid phase pipe.
Preferably, the rear side of the storage tank is provided with a base plate, the base plate is fixed with a tank car body, the left side and the right side of the base plate are respectively provided with a pipe coiling device, the two pipe coiling devices are respectively used for coiling a liquid phase hose and a gas phase hose, the flow meter and the differential pressure bypass valve are positioned on the base plate and between the two pipe coiling devices, the liquid phase pipe and the gas phase pipe are fixed on the upper side of the base plate, a valve box used for protecting the liquid phase pipe, the gas phase pipe and the pipe coiling devices is arranged outside the base plate, the valve box is provided with a window, and an.
The space of the headstock is narrow, the substrate is placed on the rear side of the tank car, the space of the rear side of the tank car is wide, operation and equipment maintenance are convenient, the substrate is placed on the rear side, the trend of pipelines is convenient to arrange, and the phenomenon that the pipelines interfere with the headstock of the tank car mutually is avoided, so that the design and the manufacture are inconvenient. The pipe coiling device is convenient for the liquid phase hose and the gas phase hose to be pulled out so as to be connected with a container to be filled, and is also convenient for the liquid phase hose and the gas phase hose to be placed when the liquid phase hose and the gas phase hose do not need to be filled. The valve box is used for protecting components on the base plate, the opening door plate of the valve box is opened so as to facilitate the pulling out of the liquid phase hose and the gas phase hose, and meanwhile, the manual adjustment of various valves on the liquid phase pipe and the gas phase pipe by operators is facilitated.
Preferably, the flowmeter is a volumetric flowmeter, the gas phase pipe comprises a first gas phase pipe connected with the gas phase hose and a second gas phase pipe connected with the volumetric flowmeter, and a sixth valve is arranged on the second gas phase pipe. Before the flowmeter is used, the gas in the flowmeter is discharged to the gas phase pipeline in the storage tank by opening the sixth valve on the second gas phase pipe.
Preferably, a barometer is arranged on the first gas phase pipe, and a first meter valve is arranged between the barometer and the first gas phase pipe. When the gas pressure meter needs to be disassembled, the first meter valve is closed so as to isolate the gas phase pipeline from the gas pressure meter.
Preferably, a fourth liquid phase pipe is connected between the front section of the first liquid phase pipe and the storage tank, and a fourth valve and a hydraulic gauge are arranged on the fourth liquid phase pipe. When the first liquid phase pipe is in an overpressure state, the fourth valve is opened, so that part of the liquid flows back to the storage tank through the fourth liquid phase pipe.
Preferably, a second meter valve is arranged between the hydraulic meter and the fourth liquid phase pipe. When the hydraulic pressure meter needs to be disassembled, the first meter valve is closed so as to isolate the hydraulic pressure meter from the liquid phase pipeline.
Preferably, a section of the first gas phase pipe adjacent to the storage tank is vertically arranged, and one end, far away from the first liquid phase pipe, of the fourth liquid phase pipe is communicated with a section of the first gas phase pipe, which is vertically arranged. One end of the first gas phase pipe close to the storage tank is vertically arranged, so that liquid can return to the storage tank more conveniently.
Preferably, the liquid in the first liquid phase pipe is in overpressure to open the fourth valve. The above arrangement is such that the fourth valve does not need to be opened manually and the fourth valve may employ a safety valve.
Preferably, the first valve is located at the rear end of the first liquid phase pipe. The first valve is a main valve.
Preferably, the first liquid phase pipe and the first gas phase pipe are both connected with a vent pipe, and a fifth valve is arranged on the vent pipe. After a filling, the system lines may contain residual gas and liquid, which may require venting, at which time the valves may be opened to release them.
The utility model has the advantages of can realize the step-down reposition of redundant personnel, avoid filling dress excessive pressure, the security is higher.
Drawings
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic structural diagram of the substrate of the present invention;
Fig. 3 is another schematic structural diagram of the substrate of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments.
As shown in fig. 1 to 3, the LPG tank truck with pump of the present invention comprises a storage tank 2 disposed on a truck body 1, the storage tank 2 is provided with a gas phase pipeline and a liquid phase pipeline, the liquid phase pipeline is equipped with a pump and connected with a liquid phase pipe, the gas phase pipeline is connected with a gas phase pipe, the liquid phase pipe at least comprises a first liquid phase pipe 31, a second liquid phase pipe 32 and a third liquid phase pipe 33, the gas phase pipe at least comprises a first gas phase pipe 41, the rear end of the first liquid phase pipe 31 is communicated with the storage tank 2, the front end of the first liquid phase pipe 31 is connected with a liquid phase hose 51, the first gas phase pipe 41 is connected with a gas phase hose 52, the ends of the liquid phase hose 51 and the gas phase hose 52 are respectively provided with a connector 50 for connecting with a container to be filled, the middle section of the first liquid phase pipe 31 is provided with a flow meter 61, the two ends of the second liquid phase pipe 32 are respectively connected with the rear section of the first liquid, one end of a third liquid phase pipe 33 is connected with the differential pressure bypass valve 62, the other end of the third liquid phase pipe 33 is connected with the storage tank 2, a first valve 71 used for blocking liquid from passing through the flowmeter 61 is arranged on the first liquid phase pipe 31, and a second valve 72 used for enabling the first liquid phase pipe 31 to be communicated with the second liquid phase pipe 32 is arranged on the front section of the second liquid phase pipe 32.
The rear side of the storage tank 2 is provided with a base plate 21, the base plate 21 is fixed with the tank truck body 1, the left side and the right side of the base plate 21 are respectively provided with a pipe coiling device 22, the two pipe coiling devices 22 are respectively used for coiling a liquid phase hose 51 and a gas phase hose 52, a flow meter 61 and a differential pressure bypass valve 62 are positioned on the base plate 21 and between the two pipe coiling devices 22, the liquid phase pipe and the gas phase pipe are fixed on the upper side of the base plate 21, a valve box 23 used for protecting the liquid phase pipe, the gas phase pipe and the pipe coiling devices 22 is arranged outside the base plate 21, the valve box 23 is.
The flowmeter 61 is a positive displacement flowmeter, the gas phase pipe includes a first gas phase pipe 41 connected with the gas phase hose 52, and a second gas phase pipe 42 connected with the positive displacement flowmeter, the second gas phase pipe is provided with a sixth valve 73, and the first gas phase pipe 41 is provided with a barometer 74.
A fourth liquid phase pipe 34 is connected between the front section of the first liquid phase pipe 31 and the storage tank 1, and a fourth valve 76 and a hydraulic gauge 77 are arranged on the fourth liquid phase pipe 34. Wherein, the liquid in the first liquid phase pipe 31 is overpressured to open the fourth valve 76, and the fourth valve 76 adopts a safety valve. A first valve 71 is located at the rear end of the first liquid phase pipe 31. The first liquid phase pipe 31 and the first gas phase pipe 41 are both connected with a vent pipe 40, and a fifth valve 78 is arranged on the vent pipe 40. A first meter valve 81 is arranged between the gas pressure meter 74 and the first gas phase pipe 41, and a second meter valve 82 is arranged between the hydraulic pressure meter 77 and the fourth liquid phase pipe 34.
when the LPG filling is carried out on the container to be filled, the valve box is opened, the gas-phase hose and the liquid-phase hose are drawn out and connected with the container to be filled, the first valve is normally opened, the second valve is normally closed, the liquefied gas is led into the container to be filled through the first liquid-phase pipe, and meanwhile, the gas in the container to be filled is led into the storage tank through the first gas-phase pipe so as to realize the gas-liquid balance. The flow meter adopts a positive displacement flow meter, and the sixth valve can be normally opened; in normal use, liquid does not pass through the second air pipe of the positive displacement flowmeter.
When the pressure is over-pressure in the filling process, the differential pressure bypass valve is opened, and a part of liquid flows back to the storage tank through the third liquid phase pipe to play a role in reducing pressure and shunting. And when the first liquid phase pipe is in overpressure, the fourth valve can be automatically opened, so that part of liquid flows back to the storage tank through the fourth liquid phase pipe.
When the flowmeter is damaged so that the liquefied gas cannot smoothly pass through, the second valve can be opened and the first valve can be closed. The delivery of liquefied gas is achieved through a second liquid phase pipe.
The utility model discloses to wait to fill the other liquid system integration that unloads of dress container on the base plate of tank car, do not need every place all to unload the setting of liquid system, only need carry out the removal of tank car, greatly reduced cost, convenient management. Just the utility model has the advantages of can realize the step-down reposition of redundant personnel, avoid filling dress excessive pressure, the security is higher.
Claims (10)
1. The LPG tank car with the pump is characterized by comprising a storage tank arranged on a car body, wherein the storage tank is provided with a gas phase pipeline and a liquid phase pipeline, the liquid phase pipeline is matched with the pump and is connected with a liquid phase pipe, the gas phase pipeline is connected with the gas phase pipe, the liquid phase pipe at least comprises a first liquid phase pipe, a second liquid phase pipe and a third liquid phase pipe, the gas phase pipe at least comprises a first gas phase pipe, the rear end of the first liquid phase pipe is communicated with the storage tank, the front end of the first liquid phase pipe is connected with a liquid phase hose, the first gas phase pipe is connected with a gas phase hose, the end parts of the liquid phase hose and the gas phase hose are respectively provided with a connector used for being connected with a container to be filled, the middle section of the first liquid phase pipe is provided with a flowmeter, the two ends of the second liquid phase pipe are respectively connected with the rear section of the first liquid phase pipe and the front section of the first liquid phase pipe, the other end of the third liquid phase pipe is connected with the storage tank, the first liquid phase pipe is provided with a first valve used for blocking liquid from passing through the flowmeter, and the front section of the second liquid phase pipe is provided with a second valve used for enabling the first liquid phase pipe to be communicated with the second liquid phase pipe.
2. The LPG tank truck with pump as claimed in claim 1, wherein the back side of the storage tank is provided with a base plate which is fixed with the truck body, the left and right sides of the base plate are respectively provided with a pipe coiling device, the two pipe coiling devices are respectively used for coiling the liquid phase hose and the gas phase hose, the flow meter and the differential pressure bypass valve are arranged on the base plate and between the two pipe coiling devices, the liquid phase pipe and the gas phase pipe are fixed on the upper side of the base plate, a valve box for protecting the liquid phase pipe, the gas phase pipe and the pipe coiling devices is arranged outside the base plate, the valve box is provided with a window, and an opening door plate is arranged at the.
3. the LPG tank truck with pump according to claim 1 or 2, characterized in that the flow meter is a positive displacement flow meter, the gas phase pipe comprises a first gas phase pipe connected with a gas phase hose, and a second gas phase pipe connected with the positive displacement flow meter, and a sixth valve is arranged on the second gas phase pipe.
4. The LPG tank truck with pump according to claim 1 or 2, characterized in that a barometer is arranged on the first gas pipe, and a first meter valve is arranged between the barometer and the first gas pipe.
5. The LPG tank truck with pump as claimed in claim 1 or 2, wherein a fourth liquid phase pipe is connected between the front section of the first liquid phase pipe and the storage tank, and a fourth valve and a hydraulic gauge are arranged on the fourth liquid phase pipe.
6. The LPG tanker with pump according to claim 5, characterized in that a second meter valve is provided between the hydraulic meter and the fourth liquid phase pipe.
7. The LPG tank truck with pump as claimed in claim 5, wherein a section of the first gas phase pipe adjacent to the storage tank is vertically arranged, and one end of the fourth liquid phase pipe far away from the first liquid phase pipe is communicated with the vertically arranged section of the first gas phase pipe.
8. The LPG tanker with pump according to claim 5, characterized in that the liquid inside the first liquid phase pipe is overpressurized to open said fourth valve.
9. The LPG tanker with pump according to claim 1 or 2, characterized in that the first valve is located at the rear end of the first liquid phase pipe.
10. The LPG tank truck with pump as claimed in claim 1 or 2, wherein the first liquid phase pipe and the first gas phase pipe are connected with a vent pipe, and a fifth valve is arranged on the vent pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480208.6U CN209801141U (en) | 2019-04-10 | 2019-04-10 | LPG tank car with pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480208.6U CN209801141U (en) | 2019-04-10 | 2019-04-10 | LPG tank car with pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209801141U true CN209801141U (en) | 2019-12-17 |
Family
ID=68828788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920480208.6U Active CN209801141U (en) | 2019-04-10 | 2019-04-10 | LPG tank car with pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209801141U (en) |
-
2019
- 2019-04-10 CN CN201920480208.6U patent/CN209801141U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2693567C (en) | Fuel delivery system and method | |
| US5603360A (en) | Method and system for transporting natural gas from a pipeline to a compressed natural gas automotive re-fueling station | |
| CN201475634U (en) | Lng receiving station | |
| CN201012647Y (en) | Small-sized fuel oil dispensing vehicle | |
| CN111609309A (en) | Skid-mounted hydrogenation station | |
| KR20140113395A (en) | Method for dispensing compressed gases | |
| US11673467B2 (en) | Multiple gas tank assembly with individual pressure monitoring | |
| US3115894A (en) | Plural compartment tank with vent and outlet valve control means | |
| US3199534A (en) | Fluid filling and draining apparatus for tanks | |
| CN211600229U (en) | Direct filling system for hydrogen filling | |
| CN202327649U (en) | Multifunctional air-filled explosion-proof box | |
| CN209801141U (en) | LPG tank car with pump | |
| CN112577769A (en) | Hydrogen filling simulation test system | |
| CN107091254A (en) | LNG/L CNG hydraulic pressure intensifiers and gas station | |
| CN103759136B (en) | Primary and secondary pot type liquid nitrogen combination container | |
| CN106051453A (en) | Splashing preventing device of liquefied natural gas (LNG) filling machine | |
| US2884964A (en) | Bottom filling system and apparatus | |
| US2996222A (en) | Airport hydrant system | |
| CN202038456U (en) | Fuel delivery and filling vehicle for airplanes | |
| CN214277419U (en) | Hydrogen filling simulation test system | |
| CN204213617U (en) | Skid-mounted LNG two pump two-shipper filling apparatus | |
| CN108332043B (en) | Air-entrapping storage tank | |
| CN210511030U (en) | Liquefied hydrocarbon fills dress system | |
| CN210440968U (en) | Pipeline structure and liquefied gas storage and transportation equipment with same | |
| CN202557383U (en) | Aviation kerosene transfer vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |