CN220397282U - Emergency treatment device for leakage of liquefied petroleum gas storage tank - Google Patents
Emergency treatment device for leakage of liquefied petroleum gas storage tank Download PDFInfo
- Publication number
- CN220397282U CN220397282U CN202321955818.XU CN202321955818U CN220397282U CN 220397282 U CN220397282 U CN 220397282U CN 202321955818 U CN202321955818 U CN 202321955818U CN 220397282 U CN220397282 U CN 220397282U
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- China
- Prior art keywords
- storage tank
- controller
- emergency
- liquefied petroleum
- petroleum gas
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- 239000003915 liquefied petroleum gas Substances 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 19
- 239000007791 liquid phase Substances 0.000 claims description 13
- 239000012071 phase Substances 0.000 claims description 13
- 239000004215 Carbon black (E152) Substances 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 7
- 150000002430 hydrocarbons Chemical class 0.000 claims description 7
- 238000012546 transfer Methods 0.000 abstract description 12
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses an emergency treatment device for liquefied petroleum gas storage tank leakage, which comprises a plurality of storage tanks, a controller, a gas detector, an emergency spray pipe and an emergency water pump; the storage tanks are connected with each other; the emergency spray pipe is arranged in the storage tank, and water is conveyed to the emergency spray pipe through the emergency water pump and sprayed into the storage tank; the gas detector and the emergency water pump are electrically connected with the controller. According to the utility model, comprehensive analysis is carried out according to three signals of the liquid level, the pressure and the temperature of the storage tank and the signal of the gas detection alarm, and whether the storage tank leaks, whether the water pump is abnormal or not is judged; and then water seal replacement and spray cooling are carried out through the emergency spray pipe, so that time is striven for transfer and rush repair of liquefied petroleum gas, and safety accidents caused by large leakage of the storage tank are avoided.
Description
Technical Field
The utility model relates to the field of fuel gas leakage prevention devices, in particular to an emergency treatment device for leakage of a liquefied petroleum gas storage tank.
Background
With the development of petrochemical industry, liquefied petroleum gas is becoming more and more important as a chemical basic raw material and a novel fuel. Liquefied petroleum gas is used as fuel, and has high heat value, no smoke and no carbon residue, and is convenient in operation and use, and has been widely used in the life field of people.
Although the liquefied petroleum gas is convenient to use, the liquefied petroleum gas has unsafe hidden trouble. In case of leakage of pipeline or not closing valve, LPG diffuses to the periphery and when the content reaches explosion limit (1.7-10%), spark or spark will explode.
The connecting pipe of the liquefied petroleum gas storage tank is provided with a liquid phase inlet, a liquid phase outlet, a gas phase inlet, a gas phase outlet, a sewage drain, a detection port, a manhole and the like, and due to the high pressure, low temperature and other environments in the storage tank, the storage tank can possibly have flange leakage, weld cracking and other conditions under the action of stress, particularly when the bottom of the storage tank is leaked, the leakage is high-pressure liquid, the leakage speed is high, the leakage amount is large, the control difficulty is high, and the danger is extremely high.
Disclosure of Invention
The utility model aims to solve the defects of the prior art, provides a water seal device which can seal a storage tank,
the utility model is realized by the following technology:
an emergency treatment device for liquefied petroleum gas storage tank leakage comprises a plurality of storage tanks, a controller, a gas detector, an emergency spray pipe and an emergency water pump.
The storage tanks are connected with a liquid phase pipe through a liquefied hydrocarbon pump, and if one storage tank leaks, the liquid phase liquefied petroleum gas of the storage tank can be immediately transferred to the other storage tank;
the storage tanks can also be connected through a compressor and a gas phase pipe, and if one storage tank leaks, the gas phase liquefied petroleum gas of the storage tank can be immediately transferred to the other storage tank;
the liquefied hydrocarbon pump and the compressor are electrically connected with the controller, and start and stop are controlled by the controller;
the liquid phase transfer and the gas phase transfer can be set independently or simultaneously.
The emergency spray pipe is arranged above the inside of the storage tank and is connected with an external emergency water pump through a water pipe; the emergency water pump is electrically connected with the controller and is controlled to start and stop by the controller; the emergency water pump conveys water to the emergency spray pipe, the emergency spray pipe sprays the water on the inner wall of the storage tank, and then the water is converged at the bottom of the storage tank; therefore, the inner wall and the bottom of the storage tank can be simply sealed, the temperature of the liquefied petroleum gas is reduced, time is striven for the transfer and the rush repair of the liquefied petroleum gas, and the safety accident caused by the large leakage of the storage tank is avoided.
A plurality of gas detectors are arranged around the storage tank, the gas detectors are electrically connected with the controller, and whether the storage tank leaks or not is detected through the gas detectors; if the gas detector detects the leakage of the liquefied petroleum gas, a signal is transmitted to the controller, the controller informs the staff to verify, and then the staff controls the emergency water pump to start and transfer the liquefied petroleum gas through the controller.
The inside of storage tank also is provided with the detector, and the detector includes: a pressure gauge, a level gauge and a thermometer; the pressure gauge is arranged at the top of the inside of the storage tank and is used for measuring the pressure of the gas-phase liquefied petroleum gas; the liquid level meter is arranged at the bottom of the inside of the storage tank and is used for measuring the liquid level of the liquid-phase liquefied petroleum gas; the pressure gauge is directly and electrically connected with the controller, the liquid level gauge and the thermometer are respectively and electrically connected with the controller through the liquid level transmitter and the temperature transmitter, the pressure, the liquid level and the temperature of the liquefied petroleum gas in the storage tank are monitored in real time, and data are transmitted to the controller; when the controller finds that the data is abnormal, the controller informs the staff to verify, and then the staff controls the emergency water pump to start and transfer the liquefied petroleum gas through the controller.
The liquid level transducer is based on the principle that the pressure generated by liquids with different specific gravities at different heights is in linear relation, and can accurately measure and transmit the volume, the liquid height and the weight of water, oil and paste.
The temperature transmitter adopts a thermocouple and a thermal resistor as temperature measuring elements, signals output from the temperature measuring elements are sent to a transmitter module, and are converted into 4-20 mA current signals 0-5V/0-10V voltage signals in linear relation with temperature after being processed by circuits such as voltage stabilizing filtering, operational amplification, nonlinear correction, V/I conversion, constant current and reverse protection, and the like, and RS485 digital signals are output.
By monitoring the inside and the outside of the storage tank in real time, whether the liquefied petroleum gas leaks or not can be timely found.
The controller is a DCS distributed controller, and the operation is reliable and stable; the controller is connected with a UPS, the UPS supplies power for the controller, and the controller can supply power for each detector and each pump, so that the controller, the detectors and the pumps can be normally used during power failure.
The beneficial effects of the utility model are as follows:
1. and comprehensively analyzing according to the three signals of the liquid level, the pressure and the temperature of the storage tank and the signal of the gas detection alarm to judge whether the storage tank leaks, whether the water pump is abnormal and the like.
2. The emergency spraying pipe is used for carrying out water seal replacement and spraying cooling, so that time is striven for transfer and rush repair of liquefied petroleum gas, and safety accidents caused by large leakage of the storage tank are avoided;
3. the DCS distributed controller is adopted, so that the system is safe, stable, convenient and quick.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Reference numerals meaning: 1. a storage tank; 2. a controller, a 3, an emergency spray pipe; 4. an emergency water pump; 5. a liquefied hydrocarbon pump; 6. a liquid phase tube; 7. a compressor; 8. a gas phase tube; 9. a gas detector; 10. a pressure gauge; 11. a liquid level gauge; 12. a thermometer; 13. a liquid level transmitter; 14. a temperature transmitter; 15. and (5) UPS.
Detailed Description
In order to make the technical scheme, objects and advantages of the present utility model more apparent, the present utility model is further explained below with reference to the accompanying drawings and examples.
As shown in fig. 1, an emergency treatment device for liquefied petroleum gas storage tank leakage comprises a plurality of storage tanks 1, a controller 2, a gas detector 9, an emergency spray pipe 3 and an emergency water pump 4.
The storage tanks 1 are connected through a liquefied hydrocarbon pump 5 and a liquid phase pipe 6, and if one storage tank 1 leaks, the liquid phase liquefied petroleum gas of the storage tank 1 can be immediately transferred to the other storage tank 1;
the storage tanks 1 can also be connected with a gas phase pipe 8 through a compressor 7, and if one storage tank 1 leaks, the gas phase liquefied petroleum gas of the storage tank 1 can be immediately transferred to the other storage tank 1;
the liquefied hydrocarbon pump 5 and the compressor 7 are electrically connected with the controller 2, and start and stop are controlled by the controller 2;
the liquid phase transfer and the gas phase transfer can be set independently or simultaneously.
The emergency spray pipe 3 is arranged above the inside of the storage tank 1 and is connected with an external emergency water pump 4 through a water pipe; the emergency water pump 4 is electrically connected with the controller 2, and is controlled to start and stop by the controller 2; the emergency water pump 4 conveys water to the emergency spray pipe 3, and the emergency spray pipe 3 sprays the water on the inner wall of the storage tank 1 and then gathers at the bottom of the storage tank 1; therefore, the inner wall and the bottom of the storage tank 1 can be simply sealed, the temperature of the liquefied petroleum gas is reduced, time is striven for the transfer and the rush repair of the liquefied petroleum gas, and the safety accident caused by the large amount of leakage of the storage tank 1 is avoided.
A plurality of gas detectors 9 are arranged around the storage tank 1, the gas detectors 9 are electrically connected with the controller 2, and whether leakage occurs in the storage tank 1 is detected through the gas detectors 9; if the gas detector 9 detects a leakage of the liquefied petroleum gas, a signal is transmitted to the controller 2, the controller 2 informs the staff to verify, and then the staff controls the emergency water pump 4 to start and transfer the liquefied petroleum gas through the controller 2.
The inside of the tank 1 is also provided with a detector comprising: a pressure gauge 10, a level gauge 11 and a thermometer 12; the pressure gauge 10 is arranged at the top of the inside of the storage tank 1 and is used for measuring the pressure of the gas-phase liquefied petroleum gas; the liquid level meter 11 is arranged at the bottom of the interior of the storage tank 1 and is used for measuring the liquid level of the liquid-phase liquefied petroleum gas; the pressure gauge 10 is directly and electrically connected with the controller 2, the liquid level gauge 11 and the thermometer 12 are respectively and electrically connected with the controller 2 through the liquid level transmitter 13 and the temperature transmitter 14, the pressure, the liquid level and the temperature of the liquefied petroleum gas in the storage tank 1 are monitored in real time, and data are transmitted to the controller 2; when the controller 2 finds that the data is abnormal, the controller 2 informs the staff to verify, and then the staff controls the emergency water pump 4 to start and transfer the liquefied petroleum gas through the controller 2.
By monitoring the inside and outside of the storage tank 1 in real time, whether the liquefied petroleum gas leaks or not can be timely found.
The controller 2 is a DCS distributed controller, and the operation is reliable and stable; the controller 2 is connected with a UPS15, the UPS15 supplies power for the controller 2, and each detector and pump can be supplied with power through the controller 2, so that the controller 2, the detectors and the pumps can be normally used during power failure.
The foregoing is merely a preferred embodiment of the present utility model, and modifications of the embodiments described above can be made by those skilled in the art without departing from the implementation principles of the present utility model, and the corresponding modifications should also be considered as the protection scope of the present utility model.
Claims (8)
1. The emergency treatment device for the leakage of the liquefied petroleum gas storage tank is characterized by comprising a plurality of storage tanks, a controller, a gas detector, an emergency spray pipe and an emergency water pump; the storage tanks are connected with each other; the emergency spray pipe is arranged in the storage tank, and water is conveyed to the emergency spray pipe through the emergency water pump and sprayed into the storage tank; the gas detector and the emergency water pump are electrically connected with the controller.
2. The liquefied petroleum gas storage tank leakage emergency treatment device according to claim 1, wherein: the storage tanks are connected with each other through a liquefied hydrocarbon pump and a liquid phase pipe, so that liquefied petroleum gas in a liquid phase is transferred; the liquefied hydrocarbon pump is electrically connected with the controller.
3. The liquefied petroleum gas storage tank leakage emergency treatment device according to claim 1, wherein: the storage tanks are connected through compressors and gas phase pipes, so that liquefied petroleum gas in gas phase is transferred; the compressor is electrically connected with the controller.
4. A liquefied petroleum gas storage tank leakage emergency treatment device according to any one of claims 1 to 3, wherein: the storage tank is internally provided with a detector, and the detector is electrically connected with the controller.
5. The liquefied petroleum gas storage tank leakage emergency treatment device according to claim 4, wherein: the detector comprises: pressure gauge, thermometer and level gauge.
6. The liquefied petroleum gas storage tank leakage emergency treatment device according to claim 5, wherein: the thermometer is electrically connected with the controller through a temperature transmitter, and the liquid level meter is electrically connected with the controller through a liquid level transmitter.
7. A liquefied petroleum gas storage tank leakage emergency treatment device according to any one of claims 1 to 3, wherein: the controller is connected with a UPS.
8. A liquefied petroleum gas storage tank leakage emergency treatment device according to any one of claims 1 to 3, wherein: the controller is a DCS distributed controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955818.XU CN220397282U (en) | 2023-07-24 | 2023-07-24 | Emergency treatment device for leakage of liquefied petroleum gas storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955818.XU CN220397282U (en) | 2023-07-24 | 2023-07-24 | Emergency treatment device for leakage of liquefied petroleum gas storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220397282U true CN220397282U (en) | 2024-01-26 |
Family
ID=89603048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321955818.XU Active CN220397282U (en) | 2023-07-24 | 2023-07-24 | Emergency treatment device for leakage of liquefied petroleum gas storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220397282U (en) |
-
2023
- 2023-07-24 CN CN202321955818.XU patent/CN220397282U/en active Active
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