CN214840141U - Intelligent early warning, monitoring and metering control system for ground test - Google Patents
Intelligent early warning, monitoring and metering control system for ground test Download PDFInfo
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- CN214840141U CN214840141U CN202121046961.8U CN202121046961U CN214840141U CN 214840141 U CN214840141 U CN 214840141U CN 202121046961 U CN202121046961 U CN 202121046961U CN 214840141 U CN214840141 U CN 214840141U
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Abstract
The utility model discloses a ground test intelligence early warning, control, measurement control system belongs to oil field ground test technical field. The utility model discloses a crude oil transmission device, the level gauge, the flowmeter, electrical control valve, PLC switch board and host computer, crude oil transmission device includes the emergency shutdown valve, the glib talker manifold, a heat exchanger, the separator, the buffer tank, the metering tank, the oil pumper, the step-down manifold, blowdown pond and burning pond, the level gauge is installed respectively at the top of buffer tank and the top of metering tank, electrical control valve is all installed to the oil inlet and the oil-out of metering tank, the oil-out of buffer tank and the oil-out of oil pumper all are provided with the flowmeter, the level gauge flowmeter, electrical control valve and oil pumper are connected with the PLC switch board respectively, PLC switch board and host computer communication connection. The utility model discloses an early warning, monitoring, control, crude oil measurement of whole ground test flow, the reasonable emergence of avoidng safe operation risk and reduction accident.
Description
Technical Field
The utility model relates to an oil field ground test technical field has and relates to for ground test intelligence early warning, control, measurement control system.
Background
In the ground test of the Xinjiang Tarim oil field and the Tahe oil field, because of the special characteristics of high pressure, high sulfur content and the like, the ground test has large workload, a large amount of manpower and material resources are consumed to carry out statistics, routing inspection, oil measurement, loading, yield statistics and the like, the operation risk of operators is increased while the workload is large, if the operators frequently go up and down an oil truck and frequently go up and down a metering tank, the operation risk of falling, poisoning and the like of the operators is increased, and if the operators do not timely route inspection, the operation risk of crude oil tank overflow, environment pollution, fire, explosion and the like can exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a measuring result is reliable, reduce ground test intelligence early warning, control, measurement control system of staff's work load and operation risk.
In order to solve the technical problem, the technical scheme of the utility model as follows:
the ground test intelligent early warning, monitoring and metering control system comprises a crude oil transmission device, a radar liquid level meter, a flowmeter, an electric regulating valve, a PLC control cabinet and an upper computer;
the crude oil conveying device comprises an emergency shut-off valve, an oil nozzle manifold, a heat exchanger, a separator, a buffer tank, a metering tank, an oil pumping pump, a pressure reduction manifold, a sewage disposal pool and a combustion pool, wherein the emergency shut-off valve, the oil nozzle manifold and the heat exchanger are sequentially connected, an oil inlet of the separator is connected with an oil outlet of the heat exchanger, a water outlet of the separator is connected with the sewage disposal pool, an air outlet of the separator is connected with the combustion pool, an oil outlet of the separator is connected with an oil inlet of the buffer tank, an air outlet of the buffer tank is connected with the combustion pool, an oil outlet of the buffer tank is connected with an oil inlet of the metering tank, an oil outlet of the metering tank is connected with the oil pumping pump, and the pressure reduction manifold is connected with the combustion pool;
the device comprises a buffer tank, a metering tank, a PLC control cabinet, a motor-driven adjusting valve, a flow meter, a radar liquid level meter, an oil inlet, an oil outlet and a fuel pump, wherein the radar liquid level meter is installed at the top of the buffer tank and the top of the metering tank respectively, the motor-driven adjusting valve is installed at the oil inlet and the oil outlet of the metering tank, the oil outlet of the fuel pump is provided with the flow meter, the radar liquid level meter, the flow meter, the motor-driven adjusting valve and the fuel pump are connected with the PLC control cabinet respectively, and the PLC control cabinet is in communication connection with an upper computer.
Further, the level gauge is a radar level gauge.
Further, the flow meter is a turbine flow meter.
Further, the choke manifold comprises a first-stage pressure reducing manifold and a second-stage pressure reducing manifold which are connected in sequence.
Further, the number of the metering tanks is 4-5, and an electric regulating valve is installed at an oil inlet and an oil outlet of each metering tank.
Furthermore, the PLC controller in the PLC control cabinet is S7-1200 in model.
Furthermore, the PLC control cabinet is in communication connection with the upper computer through a Modbus TCP.
The utility model has the advantages that:
the utility model discloses a ground test intelligence early warning, the control, the radar level gauge of measurement control system through setting up, do not receive the temperature, the influence of pressure and solid phase impurity, the liquid level height in real-time supervision buffer tank and the metering tank, and combine the flowmeter real-time statistics dress oil truck's of setting the oil mass, electronic instrument monitoring tank has been realized, liquid level height in the car, flow statistics, electric valve replaces manual operation switch valve, the host computer realizes the remote monitoring jar, the car, the on-off state of valve, emergency reports to the police, automatic oil charging stops pump etc, the early warning of whole ground test flow has been realized, monitoring, control, crude oil metering, the emergence of reasonable safe operation risk of avoiing and reduction accident, the work load has been reduced.
Drawings
Fig. 1 is a schematic diagram of a control structure of the present invention;
fig. 2 is a connection structure diagram of the crude oil transmission device of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in FIGS. 1-2, the intelligent early warning, monitoring and metering control system for ground test comprises a crude oil transmission device, a liquid level meter 20, a flow meter 21, an electric control valve 22, a PLC control cabinet 23 and an upper computer 24.
The crude oil conveying device comprises an emergency shut-off valve 10, an oil nozzle manifold 11, a heat exchanger 12, a separator 13, a buffer tank 14, a metering tank 15, an oil pumping pump 16, a pressure reducing manifold 17, a sewage draining pool 18 and a combustion pool 19, wherein the emergency shut-off valve 10, the oil nozzle manifold 11 and the heat exchanger 12 are sequentially connected, an oil inlet of the separator 13 is connected with an oil outlet of the heat exchanger 12, a water outlet of the separator 13 is connected with the sewage draining pool 18, an air outlet of the separator 13 is connected with the combustion pool 19, an oil outlet of the separator 13 is connected with an oil inlet of the buffer tank 14, an air outlet of the buffer tank 14 is connected with the combustion pool 19, an oil outlet of the buffer tank 14 is connected with an oil inlet of the metering tank 15, an oil outlet of the metering tank 15 is connected with the oil pumping pump 16, the pressure reducing manifold 17 is connected with the combustion pool 19, and the oil nozzle manifold 11 comprises a first-stage pressure reducing manifold and a second-stage pressure reducing manifold which are sequentially connected.
In the ground test, crude oil is pumped out from a wellhead, one path of crude oil is transported by a pipeline and is subjected to combustion reaction in a combustion pool 19 through a pressure reduction manifold 17, the crude oil is heated in a heat exchanger 12 through an oil nozzle manifold 11 and then enters a separator 13 for water, gas and liquid separation, the separated water is discharged into a sewage pool 18, the gas is discharged into the combustion pool 19 for combustion reaction, the separated crude oil enters a buffer tank 14 for oil-gas separation again and then is conveyed into a metering tank 15, and the crude oil input into the metering tank is loaded into an oil loading truck through an oil pumping pump 16.
On the basis of the device, the liquid level meters 20 are respectively installed at the top of the buffer tank 14 and the top of the metering tank 15, the electric regulating valves 22 are respectively installed at the oil inlet and the oil outlet of the metering tank 15, the flow meters 21 are respectively arranged at the oil outlet of the buffer tank 14 and the oil outlet of the oil pumping pump 16, the emergency shut-off valve 10, the liquid level meters 20, the flow meters 21, the electric regulating valves 22 and the oil pumping pump 16 are respectively connected with the PLC control cabinet 23, and the PLC control cabinet 23 is in communication connection with the upper computer 24.
The system monitors the height of the crude oil liquid level in the buffer tank 14 and the metering tank 15 in real time through the liquid level meter 20 to ensure that the liquid level in the buffer tank 14 and the metering tank 15 is at a reasonable height, the oil loading amount of an oil loading vehicle is monitored in real time through the flow meter 21, the PLC control cabinet 23 receives the information feedback collected by the liquid level meter 20 and the flow meter 21 in real time, meanwhile, the PLC control cabinet 23 monitors the on-off states of each electric regulating valve 22 and an oil pumping pump in real time, the collected data information is uploaded to the upper computer 24, Modbus TCP communication connection is adopted between the PLC control cabinet 23 and the upper computer 24, various data such as the on-off states of valves and pumps are displayed on the upper computer 24, the high-low level alarm of the liquid levels of the buffer tank 14 and the metering tank 15 is realized through the monitored liquid level height, an instruction is sent to the PLC control inlet and outlet valves of the metering tank in a long distance to replace the manual operation of the inlet and outlet valves of the metering tank, and the automatic cut-off of the inlet valve of the high level tank is realized by combining the high level alarm of the liquid level in the tank monitored by the liquid level meter, and opening an inlet valve of the low liquid level tank to prevent tank overflow. The oil loading amount of the oil loading vehicle is monitored in real time through the flow meter, the pump is automatically stopped when the oil loading amount of the oil loading vehicle reaches the rated oil loading amount, and the upper computer sends an instruction to control the oil pumping pump to automatically stop in an emergency through the PLC control cabinet 23.
The system realizes the statistics of liquid level height and flow in the monitoring tank and the vehicle of the electronic instrument, the electric valve replaces a manually operated switch valve, the upper computer realizes the remote monitoring of the on-off state of the tank, the vehicle and the valve, the emergency alarm, the automatic oil loading and pump stopping and the like, the early warning, monitoring, control and crude oil metering of the whole ground testing process are realized, the safe operation risk is reasonably avoided, the occurrence of accidents is reduced, and the workload is reduced.
Preferably, the liquid level meter 20 is a radar liquid level meter, the liquid level height in the buffer tank and the measuring tank is monitored in real time according to the radar wave distance measuring principle, the measurement is not influenced by solid-phase impurity blockage, temperature and pressure, and the flow meter 21 is a turbine flow meter, so that the accuracy is high and the stability is good.
In the above-mentioned system, the metering tank 15 generally is provided with 4 ~ 5 and switches the use, and electric control valve 22 is all installed to the oil inlet and the oil-out of every metering tank 15. Be provided with 5 metering tanks in this example, constitute by 3 uncovered jars and 2 airtight jars, all be provided with the level gauge on every metering tank and carry out the liquid level height measurement, during the analog quantity that the PLC switch board 23 received the level gauge measurement and obtained uploaded the host computer, through operating the electrical control valve of PLC switch board 23 control corresponding metering tank's oil inlet and oil-out of host computer give-out order, switch.
It should be noted that the PLC controller model adopted in the PLC control cabinet 23 is S7-1200, wherein the PLC controller is connected with a plurality of relays, the relays are respectively connected with the oil pumping pump 16 and the electric control valve 22, the PLC control cabinet 23 receives analog quantity fed back by the level gauge and the flow meter and digital quantity data fed back by the on-off state of each valve and pump, and simultaneously uploads the data obtained by feedback to the upper computer, and the upper computer controls the PLC controller to control the on-off and on-off of the drive relays according to the uploaded data information, thereby realizing the automatic switching of the valves and the activation or deactivation of the oil pumping pump.
Claims (7)
1. The ground test intelligent early warning, monitoring and metering control system is characterized by comprising a crude oil transmission device, a liquid level meter (20), a flow meter (21), an electric regulating valve (22), a PLC control cabinet (23) and an upper computer (24);
the crude oil conveying device comprises an emergency shut-off valve (10), an oil nozzle manifold (11), a heat exchanger (12), a separator (13), a buffer tank (14), a metering tank (15), an oil pumping pump (16), a pressure reduction manifold (17), a sewage draining pool (18) and a combustion pool (19), wherein the emergency shut-off valve (10), the oil nozzle manifold (11) and the heat exchanger (12) are sequentially connected, an oil inlet of the separator (13) is connected with an oil outlet of the heat exchanger (12), a water outlet of the separator (13) is connected with the sewage draining pool (18), an air outlet of the separator (13) is connected with the combustion pool (19), an oil outlet of the separator (13) is connected with an oil inlet of the buffer tank (14), an air outlet of the buffer tank (14) is connected with the combustion pool (19), an oil outlet of the buffer tank (14) is connected with an oil inlet of the metering tank (15), and an oil outlet of the metering tank (15) is connected with the oil pumping pump (16), the pressure reduction manifold (17) is connected with the combustion pool (19);
level gauge (20) are installed respectively at the top of buffer tank (14) and the top of metering tank (15), electrical control valve (22) are all installed to the oil inlet and the oil-out of metering tank (15), the oil-out of buffer tank (14) and the oil-out of oil pump (16) all are provided with flowmeter (21), level gauge (20), flowmeter (21), electrical control valve (22) and oil pump (16) are connected with PLC switch board (23) respectively, PLC switch board (23) and host computer (24) communication connection.
2. The ground test intelligent warning, monitoring, metering control system of claim 1, wherein the level gauge (20) is a radar level gauge.
3. The ground test intelligent warning, monitoring, metering control system of claim 1, wherein the flow meter (21) is a turbine flow meter.
4. The ground test intelligent warning, monitoring, metering and controlling system of claim 1, wherein the choke manifold (11) comprises a primary pressure reducing manifold and a secondary pressure reducing manifold which are connected in sequence.
5. The ground test intelligent early warning, monitoring and metering control system as claimed in claim 1, wherein 4-5 metering tanks (15) are arranged, and electric regulating valves (22) are mounted at oil inlets and oil outlets of the metering tanks (15).
6. The ground test intelligent early warning, monitoring and metering control system as claimed in claim 1, wherein the PLC controller in the PLC control cabinet (23) is of type S7-1200.
7. The ground test intelligent early warning, monitoring and metering control system as claimed in claim 1, wherein the PLC control cabinet (23) is in communication connection with the upper computer (24) by adopting Modbus TCP.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121046961.8U CN214840141U (en) | 2021-05-17 | 2021-05-17 | Intelligent early warning, monitoring and metering control system for ground test |
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| CN202121046961.8U CN214840141U (en) | 2021-05-17 | 2021-05-17 | Intelligent early warning, monitoring and metering control system for ground test |
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| CN214840141U true CN214840141U (en) | 2021-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117320252A (en) * | 2023-09-11 | 2023-12-29 | 合肥核威通科技有限公司 | Automatic gas filling device for electron accelerator waveguide |
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2021
- 2021-05-17 CN CN202121046961.8U patent/CN214840141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117320252A (en) * | 2023-09-11 | 2023-12-29 | 合肥核威通科技有限公司 | Automatic gas filling device for electron accelerator waveguide |
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