CN102314793B - System and method for simulating LNG (Liquefied Natural Gas) receiving station for oil and gas storage and transportation - Google Patents
System and method for simulating LNG (Liquefied Natural Gas) receiving station for oil and gas storage and transportation Download PDFInfo
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- CN102314793B CN102314793B CN 201110083849 CN201110083849A CN102314793B CN 102314793 B CN102314793 B CN 102314793B CN 201110083849 CN201110083849 CN 201110083849 CN 201110083849 A CN201110083849 A CN 201110083849A CN 102314793 B CN102314793 B CN 102314793B
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Abstract
The invention discloses a system and method for simulating an LNG (Liquefied Natural Gas) receiving station for oil and gas storage and transportation. The system comprises a sand table (1), a touch screen (2) and a flow plate (3), wherein a plurality of LNG storage and transportation equipment and pipelines for connecting the LNG storage and transportation equipment are arranged on the sand table (1), control valves and LED lamp belts are arranged in the inlet/outlet pipelines of the LNG storage and transportation equipment, a PLC (Programmable Logic Controller) is arranged below the sand table (1) and is respectively connected with the control valves and the LED lamp belts on the sand table (1) as well as a computer (5) inside the touch screen (2), and the computer (5) is connected with the external flow plate (3). In the invention, the process flow of the LNG receiving station is visually, vividly and realistically simulated by adopting the forms of the sand table, cartoons and the like, whether the operation of a student on the sand table is proper or not can be dynamically and interactively shown on the flow plate in real time, so that the student can achieve a feeling of being personally on the scene, thus, the training effect is increased and the training cost is reduced.
Description
Technical field
The present invention relates to Oil ﹠ Gas Storage LNG receiving station's simulation system and method.
Background technology
Oil ﹠ Gas Storage is connecting the inner product of petroleum industry, fortune, the links of pin, its requirement to practitioner's knowledge and skills is more and more, adaptive requirement is also more and more strong, slight error of operating personnel or careless, might cause serious quality accident or security incident, for the country and people brings great loss, therefore Oil ﹠ Gas Storage practitioner's knowledge training on duty and professional skill training just seem very important, but because nearly all Oil ﹠ Gas Storage is on-the-spot and facility all is distributed in the field, training can not be put into the scene carries out, if only rely on conventional classroom instruction or laboratory operation, owing to lacking lifelike image, lively supplementary means and mode directly perceived, unavoidably be absorbed in simple uninteresting difficult situation, be difficult to get a desired effect.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of Oil ﹠ Gas Storage LNG receiving station's simulation system and method are provided, this system and method adopts the forms such as sand table and full three-dimensional animation, intuitively, simulate vividly, realistically the technological process of LNG receiving station, allow the student have sensation on the spot in person, the enhancement training effect reduces training cost.
The objective of the invention is to be achieved through the following technical solutions: Oil ﹠ Gas Storage LNG receiving station simulation system, it comprises sand table, touch-screen and flow process plate, the pipeline that sand table is provided with some LNG warehousing and transportation facilities and connects the LNG warehousing and transportation facilities, described LNG warehousing and transportation facilities comprises at least one LNG storage tank, compressor A, compressor B, the emptying standpipe, condenser, at least one LNG pump, at least one sea water pump, at least one seawater vaporizer, at least one combustion vaporizer and LNG ship, also be provided with pump in the tank in each LNG storage tank, in the import and export pipeline of warehousing and transportation facilities, also be provided with operation valve and LED lamp band, sand table has the PLC controller, the PLC controller respectively with sand table on operation valve be connected with LED lamp band and be connected with the computing machine of touch-screen inside, computing machine is connected with outside flow process plate.
Flow process plate of the present invention is LCDs.
Oil ﹠ Gas Storage LNG receiving station analogy method, it may further comprise the steps:
(1) arrange a sand table that is used for the technological process of simulation LNG receiving station, be used for gathering the PLC controller of sand table upper pipeline state, the flow process plate that is used for controlling the touch-screen of PLC controller and is used for showing the technological process of LNG receiving station, the pipeline that sand table is provided with some LNG warehousing and transportation facilities and connects the LNG warehousing and transportation facilities, be respectively arranged with the LED lamp band of liquid in operation valve and the simulative tube in the import and export pipeline of each LNG warehousing and transportation facilities, PLC controller (4) flows to by gathering operation valve state and warehousing and transportation facilities state pilot piping liquid;
(2) LNG receiving station simulated program of operation on the touch-screen, operating personnel open or close one or more operation valves on the sand table according to the requirement of technological process, the variation of simulated program Real-time Collection pipeline state, the variation dynamic simulation process flow according to technological requirement and pipeline state also is presented on the flow process plate with the form of animation in real time simultaneously.
Described simulated program comprises flow process demonstration, flow operations step, wherein, described flow process demonstration comprise unload a ship, the LNG gasification outer defeated, the LNG flashed vapour is processed and tank in the circulation substep; Described flow operations comprise equally unload a ship, LNG gasification outer defeated, the LNG flashed vapour is processed and tank in the circulation substep.
The present invention adopts the formal intuitions such as sand table and animation, simulates the technological process of LNG receiving station vividly, realistically, the student the operation of doing on the sand table whether appropriately also can be dynamically, in real time and interactively be illustrated on the flow process plate, allow the student have sensation on the spot in person, improve result of training, reduced training cost.
Description of drawings
Fig. 1 structural representation of the present invention
The structural representation of Fig. 2 sand table
The operational flowchart that Fig. 3 unloads a ship
The outer defeated operational flowchart of Fig. 4 LNG seawater vaporizer gasification
The outer defeated operational flowchart of Fig. 5 LNG combustion vaporizer gasification
The operational flowchart of Fig. 6 LNG flashed vapour output
The operational flowchart of Fig. 7 LNG flashed vapour burning
The operational flowchart of circulation in Fig. 8 tank
Among the figure, 1-sand table, 2-touch-screen, 3-flow process plate, 4-PLC controller, 5-computing machine, the 6-LNG storage tank, 7-compressor A, 8-compressor B, 9-emptying standpipe, 10-condenser, 11-LNG pump, the 12-sea water pump, 13-seawater vaporizer, 14-combustion vaporizer, pump in the 15-LNG ship, 16-tank.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is further described:
Such as Fig. 1, shown in Figure 2, Oil ﹠ Gas Storage LNG receiving station simulation system, it comprises sand table 1, touch-screen 2 and flow process plate 3, flow process plate 3 is LCDs, the pipeline that sand table 1 is provided with some LNG warehousing and transportation facilities and connects the LNG warehousing and transportation facilities, described LNG warehousing and transportation facilities comprises two LNG storage tanks 6, compressor A7, compressor B8, emptying standpipe 9, condenser 10, two LNG pumps 11, two sea water pumps 12, two open-shelf seawater vaporizers 13, two submerged combustion gasifiers 14 and LNG ship 15, also be provided with pump 16 in the tank in each LNG storage tank 6, in the import and export pipeline of warehousing and transportation facilities, be provided with operation valve, sand table 1 has PLC controller 4, PLC controller 4 respectively with sand table 1 on operation valve are connected the computing machine 5 of inside with touch-screen and are connected, computing machine 5 is connected with outside flow process plate 3.
In the LNG warehousing and transportation facilities, LNG ship 15 is used for transportation LNG; LNG storage tank 6 is used for storing LNG; Compressor A7 is used for being delivered to the LNG cargo ship behind the gas compression with the LNG storage tank, with the pressure of balance ship; Compressor B8 is delivered to condenser after with the gas compression in the LNG storage tank, and is outer defeated after the condensation; LNG pump 11 is for delivery of LNG; Sea water pump 12 is transported to seawater vaporizer from marine extracting seawater, is used for heating LNG; Seawater vaporizer 13 effects are to carry out heat interchange by LNG and seawater, make the LNG gasification; Combustion vaporizer 14 effects are that combustion fuel gas produces heat, make the LNG gasification.
Oil ﹠ Gas Storage LNG receiving station analogy method, it may further comprise the steps:
(1) arrange a sand table 1 that is used for the technological process of simulation LNG receiving station, be used for gathering the PLC controller 4 of sand table 1 upper pipeline state, the flow process plate 3 that is used for controlling the touch-screen 2 of PLC controller 4 and is used for showing the technological process of LNG receiving station, the pipeline that sand table 1 is provided with some LNG warehousing and transportation facilities and connects the LNG warehousing and transportation facilities, be respectively arranged with the LED lamp band of liquid in operation valve and the simulative tube in the import and export pipeline of each LNG warehousing and transportation facilities, PLC controller (4) flows to by gathering operation valve state and warehousing and transportation facilities state pilot piping liquid;
(2) LNG receiving station simulated program of operation on the touch-screen 2, operating personnel open or close one or more operation valves on the sand table 1 according to the requirement of technological process, the variation of simulated program Real-time Collection pipeline state, the variation dynamic simulation process flow according to technological requirement and pipeline state also is presented on the flow process plate 3 with the form of full three-dimensional animation in real time simultaneously.
Simulated program comprises flow process demonstration, flow operations step.Flow process demonstration comprise unload a ship, the LNG gasification outer defeated, the LNG flashed vapour is processed and tank in the circulation substep; Flow operations comprise unload a ship, LNG gasification outer defeated, the LNG flashed vapour is processed and tank in the circulation substep.
The difference of flow process demonstration and flow operations is that the flow process demonstration can only demonstrate technological process, is not subjected to foreign intervention in the presentation process, is unidirectional, and flow operations according to the actual conditions displaying technological process of operation, is interactively then.
The operating process of unloading a ship
The operating process of unloading a ship such as Fig. 3, LNG in the LNG ship 15 is by two unloading arms and conveyance conduit, feed liquor or lower feed liquor mode are punched in the used LNG storage tank 6 in the use, the compressed machine A7 of part flashed vapour turns back to the material cabin of LNG ship 15, in order to the pressure in the balancing material cabin, its concrete operations flow process is as follows:
(1) determines that starting point is LNG ship 15;
(2) determine that terminal point is used LNG storage tank 6;
(3) open valve into terminal point, terminal point to the valve of compressor A7 and the valve of origin-to-destination;
(4) activate compressor A7: the pattern of lighting " compressor A7 " on the touch-screen.
The outer defeated operating process of gasification
LNG gasification is outer, and defeated to be divided into the gasification of LNG open-frame type gasifier outer defeated and the gasification of LNG submerged combustion gasifier is outer defeated.
The open-shelf seawater vaporizer gasification of LNG is outer defeated such as Fig. 4, LNG in the LNG storage tank 6 imports to after open-shelf seawater vaporizer 13 gasifications outer defeated through pump 16 in its inner tank and LNG pump 11, and sea water pump 12 is injected into seawater the water inlet heating LNG of open-shelf seawater vaporizer 13, and its concrete operations flow process is as follows:
(1) determines that the process starting point is employed LNG storage tank 6;
(2) determine that terminal point is open-shelf seawater vaporizer 13;
(3) open valve into terminal point;
(4) open starting point to the valve of LNG pump 11;
(5) open out the valve of terminal point;
(6) activate pump 16 in the corresponding tank: the pattern of lighting corresponding on the touch-screen " pump in the tank ";
(7) open sea water pump 12: open the pump inspection, confirm whether the valve of the import and export of sea water pump 12 is closing; Prepare before opening pump, slowly open the valve of the import of sea water pump 12, and confirm to be full of medium in the sea water pump 12; Turn on pump, namely slowly open the valve of outlet of sea water pump 12 after, reactivation sea water pump 12 is namely lighted the pattern of corresponding " sea water pump " on the touch-screen;
(8) open LNG pump 11: open the pump inspection, confirm whether the valve of the import and export of LNG pump 11 is closing; Prepare before opening pump, slowly open the valve of the import of LNG pump 11, and confirm to be full of medium in the LNG pump 11; Turn on pump, namely slowly open the valve of outlet of LNG pump 11 after, reactivation LNG pump 11 is namely lighted the pattern of corresponding " LNG pump " on the touch-screen.
The gasification of LNG submerged combustion gasifier is outer defeated such as Fig. 5, the interior LNG of LNG storage tank 6 import to after 14 gasifications of submerged combustion gasifier outer defeated through pumps 16 in its inner tanks and LNG pump 11, and fuel gas enters the firing chamber of gasifier 14, heating LNG after the burning, and its concrete operations flow process is as follows:
(1) determines that the process starting point is employed LNG storage tank 6;
(2) determine that terminal point is submerged combustion gasifier 14;
(3) open valve into terminal point;
(4) open starting point to the valve of LNG pump 11;
(5) open out the valve of terminal point;
(6) activate pump 16 in the corresponding tank: the pattern of lighting " pump in the tank " corresponding on the touch-screen;
(7) activate submerged combustion gasifier 14: the pattern of lighting " combustion vaporizer " on the touch-screen;
(8) open LNG pump 11: open the pump inspection, confirm whether the valve of the import and export of LNG pump 11 is closing; Prepare before opening pump, slowly open the valve of the import of LNG pump 11, and confirm to be full of medium in the LNG pump 11; Turn on pump, namely slowly open the valve of outlet of LNG pump 11 after, reactivation LNG pump 11.
The flashed vapour treatment scheme
The LNG flashed vapour is processed and is comprised the output of LNG flashed vapour and the burning of LNG flashed vapour.
The output of LNG flashed vapour is such as Fig. 6, after boosting through compressor B8, LNG storage tank 6 interior flashed vapours enter condenser 10 condensations, the LNG of condensed flashed vapour and 6 outputs of LNG storage tank enters seawater carburetor 13 through LNG pump 11 together, and with sea water pump 12 water inlet that seawater is injected into open-shelf seawater vaporizer 13 is heated LNG, its idiographic flow is as follows:
(1) confirms that the process starting point is used LNG storage tank 6, and open the LNG storage tank to the valve of compressor B8;
(2) confirm that process end is open-shelf seawater vaporizer 13, and open the valve into terminal point;
(3) open condenser 10 to the valve of LNG pump 11;
(4) open starting point to the valve of LNG pump 11;
(5) open out the valve of terminal point;
(6) activate compressor B8: the pattern of lighting " compressor B8 " on the touch-screen;
(7) activate pump 16 in the corresponding tank: the pattern of lighting corresponding on the touch-screen " pump in the tank ";
(8) open used sea water pump 12: open the pump inspection, confirm whether the valve of the import and export of sea water pump 12 is closing; Prepare before opening pump, slowly open the valve of the import of sea water pump 12, and confirm to be full of medium in the sea water pump 12; Turn on pump, namely slowly open the valve of outlet of sea water pump 12 after, reactivation sea water pump 12 is namely lighted the pattern of corresponding " sea water pump " on the touch-screen;
(9) open used LNG pump 11: open the pump inspection, confirm whether the valve of the import and export of LNG pump 11 is closing; Prepare before opening pump, slowly open the valve of the import of LNG pump 11, and confirm to be full of medium in the LNG pump 11; Turn on pump, namely slowly open the valve of outlet of LNG pump 11 after, reactivation LNG pump 11 is namely lighted the pattern of corresponding " LNG pump " on the touch-screen.
The burning of LNG flashed vapour is such as Fig. 7, and LNG storage tank 6 interior flashed vapours burn through flare system, and its concrete operations flow process is as follows:
(1) confirms that starting point is LNG storage tank 6 to be dealt with;
(2) open the valve that flashed vapour goes out the starting point outlet;
(3) confirm terminal point emptying standpipe 9;
(4) open valve into terminal point;
(5) activate emptying standpipe 9: the pattern of lighting " emptying standpipe " on the touch-screen.
Circulation in the tank
Circulation is such as Fig. 8 in the tank, and the interior pump 16 of tank that starts in the LNG storage tank 6 imports to LNG in this LNG storage tank 6 by lower feed liquor mode again, and its concrete operations flow process is as follows:
(1) confirms that starting point is used LNG storage tank 6;
(2) open the valve that pump 16 exports in the corresponding tank;
(3) confirm the i.e. LNG storage tank 6 of correspondence of terminal point, and open the valve into terminal point;
(4) open the valve of origin-to-destination;
(5) activate pump 16 in the tank: the pattern of lighting " pump in the tank " corresponding on the touch-screen.
Claims (2)
1. Oil ﹠ Gas Storage LNG receiving station analogy method, it is characterized in that: it may further comprise the steps:
(1) sand table (1) that is used for the technological process of simulation LNG receiving station is set, be used for gathering the PLC controller (4) of sand table (1) upper pipeline state, the flow process plate (3) that is used for controlling the touch-screen (2) of PLC controller (4) and is used for showing the technological process of LNG receiving station, the pipeline that sand table (1) is provided with some LNG warehousing and transportation facilities and connects the LNG warehousing and transportation facilities, the LNG warehousing and transportation facilities comprises at least one LNG storage tank (6), compressor A(7), compressor B(8), emptying standpipe (9), condenser (10), at least one LNG pump (11), at least one sea water pump (12), at least one seawater vaporizer (13), at least one combustion vaporizer (14) and LNG ship (15), also be provided with pump (16) in the tank in each LNG storage tank (6), in the import and export pipeline of each LNG warehousing and transportation facilities, be respectively arranged with the LED lamp band of liquid in operation valve and the simulative tube, sand table (1) has PLC controller (4), PLC controller (4) respectively with sand table (1) on operation valve be connected with LED lamp band and be connected with the inner computing machine (5) of touch-screen (2), computing machine (5) is connected with outside flow process plate (3), and PLC controller (4) flows to by gathering operation valve state and warehousing and transportation facilities state pilot piping liquid;
(2) LNG receiving station simulated program of the upper operation of touch-screen (2), operating personnel open or close one or more operation valves on the sand table (1) according to the requirement of technological process, the variation of simulated program Real-time Collection pipeline state, the variation dynamic simulation process flow according to technological requirement and pipeline state also is presented on the flow process plate (3) with the form of animation in real time simultaneously.
2. Oil ﹠ Gas Storage LNG according to claim 1 receiving station analogy method, it is characterized in that: described simulated program comprises flow process demonstration, flow operations step, wherein, the demonstration of described flow process comprise unload a ship, the LNG gasification outer defeated, the LNG flashed vapour is processed and tank in the circulation substep, described flow operations comprise equally unload a ship, the LNG gasification outer defeated, the LNG flashed vapour is processed and tank in the circulation substep.
3
.Oil ﹠ Gas Storage LNG according to claim 1 receiving station analogy method is characterized in that: described flow process plate (3) is LCDs.
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| CN 201110083849 CN102314793B (en) | 2011-04-02 | 2011-04-02 | System and method for simulating LNG (Liquefied Natural Gas) receiving station for oil and gas storage and transportation |
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| CN106155017B (en) * | 2016-07-15 | 2018-09-28 | 爱普（福建）科技有限公司 | The method of simulation sand table and production scene Rapid transplant towards industrial control system |
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| CN201035816Y (en) * | 2007-06-01 | 2008-03-12 | 成都趋势电子有限责任公司 | Numerical control information sand table |
| CN101192353A (en) * | 2006-11-23 | 2008-06-04 | 辽宁石油化工大学 | Pipeline oil transportation simulator |
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| CN101192353A (en) * | 2006-11-23 | 2008-06-04 | 辽宁石油化工大学 | Pipeline oil transportation simulator |
| CN201035816Y (en) * | 2007-06-01 | 2008-03-12 | 成都趋势电子有限责任公司 | Numerical control information sand table |
| CN201965835U (en) * | 2011-04-02 | 2011-09-07 | 成都盛特石油装备模拟技术开发有限公司 | Simulation system of oil-gas storage and transportation LNG (Liquefied Natural Gas) receiving station |
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