CN220618433U - Positive pressure oil gas recovery oil gun - Google Patents
Positive pressure oil gas recovery oil gun Download PDFInfo
- Publication number
- CN220618433U CN220618433U CN202320236979.7U CN202320236979U CN220618433U CN 220618433 U CN220618433 U CN 220618433U CN 202320236979 U CN202320236979 U CN 202320236979U CN 220618433 U CN220618433 U CN 220618433U
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- oil
- gun
- gun barrel
- oil gas
- barrel
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- 238000011084 recovery Methods 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000003502 gasoline Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model relates to a positive pressure oil gas recovery oiling gun. At present, the negative pressure recovery is increased by adding a vacuum pump, so that energy consumption is increased, and the negative pressure of an oil tank opening increases oil gas volatilization loss during oil filling, such as a problem in a certain link, and part of oil gas before the link can only be discharged into the atmosphere. A positive pressure oil gas recovery oil gun comprises the following components: the oil gun comprises an oil gun body (1), wherein a group of oil gas collecting ports (5) are formed in a position, adjacent to a self-sealing air tap, of a gun barrel (2) of the oil gun, the group of oil gas collecting ports are arranged on the outer circle of the end part of the gun barrel, the gun barrel is of a double-layer pipe structure, an inflation plug (4) is sleeved on the gun barrel, and the tail part of the inflation plug is fixed at the tail part of the oil gun barrel through a fixed pipe clamp (4-1); the oil gas collecting port is connected with an oil gas collecting pipeline (8) through a sandwich structure of the gun barrel. The utility model is applied to the field of oil gas recovery.
Description
Technical Field
The utility model relates to a positive pressure oil gas recovery oiling gun.
Background
Current oil and gas recovery systems: when the automobile is filled with gasoline at a filling station, a vacuum pump in the oiling machine is started simultaneously, negative pressure is formed at an automobile oil tank port, oil gas in the automobile oil tank and oil gas generated in the oiling process are conveyed into the oil tank of the filling station through a recovery oiling gun, an oiling gun connecting rubber pipe, a recovery pipeline in the oiling machine, an oil-gas separation valve and other recovery pipelines of the filling station, and the negative pressure is formed at the oiling gun port, so that the mode is called negative pressure oil-gas recovery mode.
The oil gas recovery ports of the negative pressure recovery gun are arranged on the outer circle of the middle part of the gun barrel (double-layer pipe structure), when the automobile fills gasoline at a gas station, the bowl-shaped semicircular cover is fixed at the tail part of the oiling gun barrel, more air is mixed in the recovered oil gas, the oil gas concentration is very low, and the oiling loss in a negative pressure mode is more than 0.3%.
Because the negative pressure that the oil tank mouth formed, the loss of volatilizing of the oil of refueling process increases, and the negative pressure near the oil tank mouth also makes air also mix wherein, increases the cost for next step processing, and inefficiency has also increased the loss of volatilizing of oil gas and environmental pollution when refueling, and a link in the negative pressure system goes wrong, and the oil gas of collecting can only discharge in the atmosphere. Also, the gun is removed from the dispenser (at which time the vacuum pump is on) until it is inserted into the tank port, and 100% of the air is recovered, not the oil and gas, during the time the gun is removed from the tank port and returned to the dispenser.
The multiple oil gas collection ports of the positive pressure recovery gun are arranged on the excircle of the end part of the gun barrel (adjacent to the self-sealing air tap 6), and the collection ports are positioned in the automobile oil tank during oiling. The oil level of the oil tank is reduced due to the loss of the oil during the running of the automobile, the oil gas volatilization is accelerated due to the bumping of the automobile, the oil is splashed and injected in the oil tank, the estimated oil gas concentration is about 50%, and the oil filling loss in the positive pressure mode is less than 0.3%.
Disclosure of Invention
The utility model aims to provide a positive pressure oil gas recovery oil gun.
The above object is achieved by the following technical scheme:
a positive pressure oil gas recovery oil gun comprises the following components: the automatic oil gun comprises an oil gun body and an oil gun barrel, wherein a group of barrel oil gas collection ports are formed in the position, adjacent to a self-sealing air tap, of the oil gun barrel, the group of barrel oil gas collection ports are arranged on the outer circle of the end part of the oil gun barrel, the oil gun barrel is of a double-layer pipe structure, an inflation plug is sleeved on the oil gun barrel, an inflation nozzle is arranged on the inflation plug, and the inflation plug is fixed at the tail part of the oil gun barrel through a fixed pipe clamp;
the gun barrel oil gas collecting port is connected with an oil gas collecting pipeline of the gun barrel of the oiling gun through a sandwich structure of the gun barrel of the oiling gun, the oil gas collecting pipeline of the gun barrel of the oiling gun is communicated with the gun barrel oil gas outlet, the gun barrel oil gas outlet of the oiling gun is connected with a gun body oil gas conveying pipeline through an oil collecting ring groove on the body of the oiling gun, and the gun barrel oil gas outlet is conveyed into an underground oil tank through an oil filling rubber pipe, a pipeline inside the oiling machine and a gas station recovery pipeline;
when the automobile is refueled, a group of oil gas collecting ports are positioned in the automobile oil tank.
The positive pressure oil gas recovery oil gun is characterized in that the inflation plug is an oil-resistant static-conducting inflation plug.
The utility model has the beneficial effects that:
1. the positive pressure oil gas recovery oil gun is different from the negative pressure oil gas recovery gun in that an oil gas collection port of the positive pressure oil gas recovery gun is positioned on an outer cylinder of a gun barrel and close to the end part, and the oil gas collection port is positioned in an automobile oil tank during oil filling; the collecting port of the negative pressure recovery gun is arranged on the outer cylinder in the middle of the gun barrel, and the collecting port is positioned outside the automobile oil tank during oiling.
2. According to the utility model, an oil-resistant inflation plug is sleeved on a recovered oiling gun barrel, and a soft inflation plug seals an oil tank port and the oiling gun barrel and is isolated from the atmosphere under the action of the dead weight of an oiling gun; when the oil is filled, the oil level of the oil tank rises, the oil gas at the upper part of the oil tank is extruded, and the extruded oil gas is returned to the related underground oil tank through a recovery oil gun, a recovery oil filling rubber pipe, a recovery pipe arranged in the oil gun and a recovery pipeline of a gas station. The positive pressure recovery system is characterized in that the positive pressure of the oil tank reduces the volatilization loss of oil gas during refueling, is favorable for improving the environment near a gas station, has high recovered oil gas concentration and high treatment efficiency (estimated concentration is about 50%), has an explosion limit value of 1.2-7.2 percent of the oil gas concentration, has no vacuum pump, reduces investment and operation cost, and is favorable for safe operation of the oiling machine.
3. The positive pressure and negative pressure recovery oiling gun of the utility model is provided with 3 passages for oil transportation, oil transportation and self-sealing gas:
(1) The oil delivery channel consists of a gun body, an oil way main valve, an auxiliary valve at the tail end of the gun barrel, a valve opening assembly and the like, and a bolt handle of the oil gun controls the opening and closing of the oil way main valve.
(2) The self-sealing gas passage is arranged on the self-sealing gas inlet nozzle, is connected to a self-sealing gas outlet of the barrel tail cylinder through a self-sealing gas pipeline, and is stopped in the self-sealing film upper cavity through a gun body self-sealing gas ring groove and the self-sealing gas pipeline. The pressure of the upper cavity and the lower cavity of the self-sealing film is equal to 1 atmosphere when oiling; when the oil level of the oil tank is closed with the self-sealing air tap, the pressure of the upper cavity of the self-sealing film is less than 1 atmosphere, and 3 steel balls of the connecting rod of the self-sealing film are clamped and fixed to fall off, so that the shaft lever of the control assembly cannot be fixed, and the handle of the bolt of the oil gun fails and cannot be filled.
(3) The oil and gas transmission path is from the oil and gas collection port outside the port of the double-layer gun barrel, through the interlayer space of the double-layer gun barrel, is connected to the cylinder outlet at the tail end of the gun barrel through the oil and gas pipeline, is connected to the center of the rubber tube port of the oil gun through the oil and gas collection ring groove of the gun body and then is connected to the rubber tube port of the oil gun through the oil and gas transmission pipeline of the gun body.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is an enlarged view of a portion of fig. 1.
In the figure: 1. the gun comprises a gun body 2, a gun barrel 3, a gun barrel self-sealing gas pipeline 4, an inflatable plug 4-1, a fixed pipe clamp 5, a gun barrel oil gas collecting port 6, a self-sealing gas nozzle 7, an oil way auxiliary valve 8, an oil gas collecting pipeline 9, a gun barrel oil gas outlet 10, a gun barrel self-sealing gas outlet 11, a gun body self-sealing gas pipeline 12, a self-sealing control assembly 12-1, a self-sealing film and a connecting rod 12-2, a stainless steel ball 12-3, a gun bolt handle shaft rod 13, a gun bolt handle 14, an oil way main valve 15 and a gun body oil gas conveying pipeline.
Detailed Description
Examples
A positive pressure oil gas recovery oil gun comprises the following components: the oil gun comprises an oil gun body 1, a set of gun barrel oil gas collection ports 5 are formed in the position, adjacent to a self-sealing air tap 6, of the oil gun barrel 2, the gun barrel oil gas collection ports are arranged on the outer circle of the end portion of the gun barrel, the oil gun barrel is of a double-layer tube structure, and an inflation plug 4 is sleeved on the oil gun barrel and is static electricity conduction oil resistance inflation plug. The air inflation plug is provided with an air inflation nozzle, and the tail part of the air inflation plug is fixed at the tail end of the oiling gun barrel through a fixed pipe clamp 4-1; the gun barrel oil gas collection port is connected with an oil gas collection gas pipeline 8 of the gun barrel through a sandwich structure of the gun barrel of the oil gun, the oil gas collection gas pipeline of the gun barrel of the oil gun is communicated with a gun barrel oil gas outlet 9, the gun barrel oil gas outlet of the oil gun is connected with a gun body oil gas conveying pipeline 15 through an oil collecting ring groove on the body of the oil gun, and the oil gun barrel oil gas is returned to an underground oil tank through a recovery oil filling rubber pipe and a recovery pipeline of a gas station. When the automobile is refueled, a group of oil gas collecting ports are positioned in the automobile oil tank.
Examples
When the inflation plug and the oiling barrel are installed, the end part of the inflation plug is sleeved at the end part of the oiling barrel, the end part of the inflation plug is prevented from falling off from the oiling barrel, the tail part of the inflation plug is sleeved at the tail part of the oiling barrel, the inflation plug is fixed on the oiling barrel through a fixed pipe clamp, a proper amount of air is injected into an air cavity of the inflation plug through an inflation nozzle, a hole position corresponding to an oil gas collecting port is formed in the inflation plug sleeved on the oiling barrel, and oil gas in a fuel tank enters into a sandwich structure of the barrel from the hole position on the inflation plug and the oil gas collecting port at the gun nozzle.
Examples
The positive pressure and negative pressure recovery oiling gun is provided with 3 conveying paths for conveying gasoline, self-sealing gas and oil gas, and the conveying paths for conveying gasoline and self-sealing gas are the same, namely:
the gasoline conveying channel consists of gun body, gun barrel, main oil path valve, auxiliary oil path valve assembly, etc. and the handle of the gun of the oil gun controls the opening and closing of the main oil path valve to realize the control of oil feeding and oil feeding flow.
The self-sealing air passage is started from the air inlet nozzle of the oil gun and is stopped at the self-sealing control assembly through the self-sealing air pipe, the assembly is used for fixing the handle shaft of the gun bolt, the handle of the gun bolt of the oil gun is propped against the main valve of the oil way, and the opening degree of the main valve of the oil way determines the oil filling amount. When the self-sealing air tap is submerged by the oil level of the oil tank, the bolt handle shaft cannot be fixed to terminate the oil filling.
Claims (2)
1. A positive pressure oil gas recovery oil gun comprises the following components: the oil gun body and oil gun barrel, characterized by: the gun barrel of the oil gun is provided with a group of gun barrel oil gas collection ports adjacent to the self-sealing air tap, the gun barrel of the oil gun is of a double-layer tube structure, an inflation plug is sleeved on the gun barrel of the oil gun, the inflation plug is provided with an inflation nozzle, and the tail part of the inflation plug is fixed at the tail part of the gun barrel of the oil gun through a fixed tube clamp;
the gun barrel oil gas collecting port is connected with an oil gas collecting pipeline of the gun barrel of the oiling gun through a sandwich structure of the gun barrel of the oiling gun, the oil gas collecting pipeline of the gun barrel of the oiling gun is communicated with the gun barrel oil gas outlet, the gun barrel oil gas outlet of the oiling gun is connected with a gun body oil gas conveying pipeline through an oil collecting ring groove on the body of the oiling gun, and the gun barrel oil gas outlet is conveyed into an underground oil tank through an oil filling rubber pipe, a pipeline inside the oiling machine and a gas station recovery pipeline;
when the automobile is refueled, a group of oil gas collecting ports are positioned in the automobile oil tank.
2. The positive pressure oil and gas recovery nozzle of claim 1, wherein: the inflation plug is oil-resistant and static-conductive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236979.7U CN220618433U (en) | 2023-02-17 | 2023-02-17 | Positive pressure oil gas recovery oil gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236979.7U CN220618433U (en) | 2023-02-17 | 2023-02-17 | Positive pressure oil gas recovery oil gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220618433U true CN220618433U (en) | 2024-03-19 |
Family
ID=90216387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320236979.7U Active CN220618433U (en) | 2023-02-17 | 2023-02-17 | Positive pressure oil gas recovery oil gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220618433U (en) |
-
2023
- 2023-02-17 CN CN202320236979.7U patent/CN220618433U/en active Active
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