CN210460623U - Buffer tank anti-oil-filling device - Google Patents
Buffer tank anti-oil-filling device Download PDFInfo
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- CN210460623U CN210460623U CN201921425568.2U CN201921425568U CN210460623U CN 210460623 U CN210460623 U CN 210460623U CN 201921425568 U CN201921425568 U CN 201921425568U CN 210460623 U CN210460623 U CN 210460623U
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- sealing element
- isolation pipe
- floating ball
- buffer tank
- oil
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Abstract
An anti-oil filling device for a buffer tank relates to the field of oil and gas exploitation, and comprises an isolation pipe which is vertically arranged, wherein an air inlet is formed in the side wall of the isolation pipe, the air inlet of the isolation pipe is connected with a control valve, and the control valve is connected with a buffer tank connecting pipeline; the upper end of the isolation pipe is provided with an air outlet, and the air outlet of the isolation pipe is connected with the air distribution bag connecting pipeline; an upper sealing element, a guide sleeve, a lower sealing element, a floating ball and a floating ball connecting rod are arranged in the isolation pipe, the upper sealing element is fixedly connected with the isolation pipe and arranged at the air outlet, an air vent is arranged on the upper sealing element, the guide sleeve is fixedly connected with the isolation pipe, the guide sleeve is arranged below the air inlet, the lower sealing element is arranged in the guide sleeve, the floating ball is arranged below the lower sealing element, and the floating ball is connected with the lower sealing element through the floating ball connecting rod; a first pressure gauge is connected to the connecting pipeline of the buffer tank, and the first pressure gauge is connected with a high-low pressure audible and visual alarm. The utility model discloses can avoid the pipeline oil charge, guarantee the security of boiler.
Description
Technical Field
The utility model relates to a field of oil gas exploitation especially relates to the device of avoiding the oil charge when oil gas is carried.
Background
An oil-gas separation buffer tank on an oil extraction station of an oil field is equipment for collecting oil gas produced by a plurality of oil wells, separating the oil gas and temporarily storing oil liquid. The working principle of the device is as follows; oil gas enters the tank, oil descends, natural gas ascends, two spaces, namely oil below and natural gas above, separated by a floating interface are formed in the tank, and free falling bodies are adopted for gas-liquid separation. The gas collection output flow of the natural gas is as follows: the buffer tank is subjected to oil-gas separation → the gas distribution bag → the gas bag control valve → the heating furnace gas pipeline → the heating furnace burner (boiler). The gas gathering and transporting process technology has a main problem that: namely, when the gathering and transportation gas flow process is in production, because the liquid amount or the outlet pressure of the buffer tank is unstable, the automation degree is not high, so that the gas pipeline is filled with oil, and when the oil is filled seriously, a heating furnace in the subsequent process can have a fire disaster, the gas pipeline is blocked, and other accidents.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, provide an oil filling device is prevented to buffer tank, can avoid the pipeline oil charge, guaranteed the security of boiler.
The purpose of the utility model is realized like this: an anti-oil-filling device of a buffer tank comprises an isolation pipe which is vertically arranged, wherein an air inlet is formed in the side wall of the isolation pipe, the air inlet of the isolation pipe is connected with a control valve, and the control valve is connected with a buffer tank connecting pipeline; the upper end of the isolation pipe is provided with an air outlet, and the air outlet of the isolation pipe is connected with an air distribution bag connecting pipeline; an upper sealing element, a guide sleeve, a lower sealing element, a floating ball and a floating ball connecting rod are arranged in the isolation pipe, the upper sealing element is fixedly connected with the isolation pipe and arranged at the air outlet, an air vent is arranged on the upper sealing element, the guide sleeve is fixedly connected with the isolation pipe, the guide sleeve is arranged below the air inlet, the lower sealing element is arranged in the guide sleeve, the floating ball is arranged below the lower sealing element, and the floating ball is connected with the lower sealing element through the floating ball connecting rod; when the floating ball drives the lower sealing element to move upwards, the lower sealing element and the upper sealing element form sealing; and a first pressure gauge is connected on the connecting pipeline of the buffer tank, and the first pressure gauge is connected with a high-low pressure audible and visual alarm.
The utility model discloses a working process and principle: after gas-liquid separation, gas enters the gas inlet in the isolating pipe through the control valve through the connecting pipeline of the buffer tank, enters the gas distribution bag through the gas outlet of the isolating pipe, and then enters the boiler through the pipeline to supply heat as fuel. After the oil filling of the gas pipeline occurs, the oil in the pipeline enters the lower cavity of the isolation pipe, the oil and the water sink by gravity, and when the oil-water interface rises to a certain height, the floating ball in the cavity of the isolation pipe drives the floating ball connecting rod and the lower sealing element to rise along the guide sleeve under the action of buoyancy until the floating ball connecting rod and the lower sealing element are completely combined and sealed with the upper sealing element, so that the further oil filling is avoided. At this moment, the air pressure of the buffer tank gradually rises, and after the air pressure rises to a certain pressure, the first pressure gauge microswitch sends a signal to the high-low pressure audible and visual alarm to act to remind the on-duty personnel of carrying out emergency treatment. The utility model discloses can in time avoid the oil charge, ensure the safety of boiler.
The utility model discloses keep apart intraductal connection bracket, the bracket setting is in the below of uide bushing, the floater sets up on the bracket, and the bracket is fixed a position the floater.
In order to fix the guide sleeve conveniently, the guide sleeve is fixed in the isolation pipe through a fixed guide rod.
The utility model discloses connect the second manometer on dividing the gas bag connecting line, the second manometer with high-low pressure audible-visual annunciator connects. The pressure behind the device that the gas pipeline prevented oil filling will descend gradually because of the boiler burning, after dropping to certain pressure, the second manometer micro-gap switch passes through signal transmission to the action of high low pressure audible-visual annunciator, reminds the personnel on duty to carry out emergency treatment.
The utility model discloses the lower extreme of isolation tube sets up the drain and connects the blowdown flange, takes place the blowdown of being convenient for after the oil charge.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1 connecting pipeline of a buffer tank, 2 control valves, 3 high-low pressure audible and visual alarms, 4 first pressure meters, 5 second pressure meters, 6 gas distribution bag connecting pipelines, 7 upper sealing parts, 7-1 vent holes, 8 isolating pipes, 8-1 gas inlets, 8-2 gas outlets, 8-3 sewage outlets, 9 fixed guide rods, 10 guide sleeves, 11 lower sealing parts, 12 floating ball connecting rods, 13 floating balls, 14 brackets, 15 sewage discharge flanges and 16 plugs are arranged.
Detailed Description
As shown in figure 1, the buffer tank oil filling prevention device comprises an isolation pipe 8 which is vertically arranged, an air inlet 8-1 is formed in the side wall of the isolation pipe 8, the air inlet 8-1 of the isolation pipe 8 is connected with a control valve 2, the control valve 2 is connected with a buffer tank connecting pipeline 1, and the buffer tank connecting pipeline 1 is connected with a buffer tank. A first pressure gauge 4 is connected to the buffer tank connecting pipeline 1, and the first pressure gauge 4 is connected with a high-low pressure audible and visual alarm 3. The upper end of the isolation pipe 8 is provided with an air outlet 8-2, and the air outlet 8-2 of the isolation pipe 8 is connected with the air distribution bag connecting pipeline 6. The gas distribution bag connecting pipeline 6 is connected with the gas distribution bag and then connected with the boiler through a pipeline. And a second pressure gauge 5 is connected on the gas distribution bag connecting pipeline 6, and the second pressure gauge 5 is connected with the high-low pressure audible and visual alarm 3. The lower end of the isolation pipe 8 is provided with a sewage discharge port 8-3 and is connected with a sewage discharge flange 15.
An upper sealing member 7, a guide sleeve 10, a lower sealing member 11, a floating ball 13 and a floating ball connecting rod 12 are arranged in the isolation pipe 8, the upper sealing member 7 is fixedly connected with the isolation pipe 8 and arranged at the air outlet 8-2, and a vent hole 7-1 is arranged on the upper sealing member 7. The guide sleeve 10 is arranged below the air inlet 8-1, the guide sleeve 10 is connected with the fixed guide rod 9, the fixed guide rod 9 is fixedly connected with the isolation pipe 8, and the fixed guide rod 9 is radially arranged between the guide sleeve 10 and the isolation pipe 8. The lower sealing element 11 is arranged in the guide sleeve 10, the floating ball 13 is arranged below the lower sealing element 11, the floating ball 13 is connected with the lower sealing element 11 through the floating ball connecting rod 12, and the outer diameter of the floating ball 13 is smaller than the inner diameter of the guide sleeve 10. A bracket 14 is fixedly connected in the isolation pipe 8, the bracket 14 is arranged below the guide sleeve 10, the floating ball 13 is arranged on the bracket 14, and the bracket 14 can ensure that the lower sealing element 11 is in the guide sleeve 10 and the floating ball 13 is always in the isolation pipe 8 during sewage discharge.
When the gas is normally conveyed, the sewage discharging flange 15 of the isolation pipe 8 is connected with the plug 16. After gas-liquid separation, gas enters an air inlet 8-1 in an isolation pipe 8 through a buffer tank connecting pipeline 1 and a control valve 2, enters a gas distribution bag connecting pipeline 6 from an air vent 7-1 of an upper sealing piece 7 through an air outlet 8-2, enters a gas distribution bag, and enters a boiler through a pipeline to serve as fuel for heat supply.
When oil is filled, oil and water enter the isolating pipe 8, when the oil-water interface rises to a certain height, the floating ball 13 drives the floating ball connecting rod 12 and the lower sealing element 11 to rise along the guide sleeve 10 under the action of buoyancy force until the lower sealing element 11 and the upper sealing element 7 are completely combined and sealed, and further oil filling is avoided. Reminding processing is carried out through the pressure gauge and the high-low pressure audible and visual alarm.
When in pollution discharge, the plug 16 is disassembled, and the pollution discharge flange 15 of the isolation pipe 8 is connected with a pollution discharge pipe.
Claims (5)
1. The utility model provides an oil filling device is prevented to buffer tank which characterized in that: the device comprises an isolation pipe which is vertically arranged, wherein an air inlet is formed in the side wall of the isolation pipe, the air inlet of the isolation pipe is connected with a control valve, and the control valve is connected with a buffer tank connecting pipeline; the upper end of the isolation pipe is provided with an air outlet, and the air outlet of the isolation pipe is connected with an air distribution bag connecting pipeline; an upper sealing element, a guide sleeve, a lower sealing element, a floating ball and a floating ball connecting rod are arranged in the isolation pipe, the upper sealing element is fixedly connected with the isolation pipe and arranged at the air outlet, an air vent is arranged on the upper sealing element, the guide sleeve is fixedly connected with the isolation pipe, the guide sleeve is arranged below the air inlet, the lower sealing element is arranged in the guide sleeve, the floating ball is arranged below the lower sealing element, and the floating ball is connected with the lower sealing element through the floating ball connecting rod; when the floating ball drives the lower sealing element to move upwards, the lower sealing element and the upper sealing element form sealing; and a first pressure gauge is connected on the connecting pipeline of the buffer tank, and the first pressure gauge is connected with a high-low pressure audible and visual alarm.
2. The buffer tank anti-oil-filling device according to claim 1, characterized in that: the isolation pipe is internally connected with a bracket, the bracket is arranged below the guide sleeve, and the floating ball is arranged on the bracket.
3. The buffer tank anti-oil-filling device according to claim 1, characterized in that: the guide sleeve is fixed in the isolation pipe through a fixed guide rod.
4. The buffer tank anti-oil-filling device according to claim 1, characterized in that: and a second pressure gauge is connected on the connecting pipeline of the gas distribution bag and connected with the high-low pressure audible and visual alarm.
5. The buffer tank anti-oil-filling device according to claim 1, characterized in that: and the lower end of the isolation pipe is provided with a sewage discharge outlet and is connected with a sewage discharge flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921425568.2U CN210460623U (en) | 2019-08-30 | 2019-08-30 | Buffer tank anti-oil-filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921425568.2U CN210460623U (en) | 2019-08-30 | 2019-08-30 | Buffer tank anti-oil-filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210460623U true CN210460623U (en) | 2020-05-05 |
Family
ID=70431243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921425568.2U Active CN210460623U (en) | 2019-08-30 | 2019-08-30 | Buffer tank anti-oil-filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210460623U (en) |
-
2019
- 2019-08-30 CN CN201921425568.2U patent/CN210460623U/en active Active
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