CN209762726U - Automatic separate transportation implementation device for natural gas pipeline - Google Patents
Automatic separate transportation implementation device for natural gas pipeline Download PDFInfo
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- CN209762726U CN209762726U CN201920148119.1U CN201920148119U CN209762726U CN 209762726 U CN209762726 U CN 209762726U CN 201920148119 U CN201920148119 U CN 201920148119U CN 209762726 U CN209762726 U CN 209762726U
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Abstract
The utility model discloses an automatic defeated realization device that divides of natural gas line, include: the system comprises an engineer workstation, an operator workstation, a first industrial Ethernet switch, a second industrial Ethernet switch, an industrial control programmable logic controller, a regulating valve and a regulating valve matched process pipeline; the engineer workstation, the operator workstation and the industrial control programmable logic controller are all connected with the first industrial Ethernet switch; the engineer workstation, the operator workstation and the industrial control programmable logic controller are all connected with the second industrial Ethernet switch; the process pipeline matched with the regulating valve is connected with the regulating valve, and a pressure transmitter is arranged on the process pipeline matched with the regulating valve; the pressure transmitter and the regulating valve are both connected with the industrial control programmable logic controller. The utility model discloses beneficial effect: can realize the automatic steady operation of separating defeated of natural gas line, reduce because the maloperation that manual work intervenes and lead to, alleviate artificial work load, reduce the input of cost of labor.
Description
Technical Field
The utility model relates to a natural gas line technical field particularly, relates to an automatic defeated realization device that divides of natural gas line.
Background
In the process of regulating and controlling the long-distance natural gas pipeline, the sub-delivery pressure and flow control of a control system are important links in the automatic control process of a station yard. After receiving the daily specified quantity set value of the regulation center, the station control system issues a station basic process control system for realizing automatic distribution control of downstream users. In order to meet the functional requirements, the station control system needs to have the characteristics of automatic start/stop/switch of split transmission, small control model robustness and output overshoot and the like. At present, the existing automatic natural gas pipeline distribution and transmission system needs the participation of field operators in the automatic distribution and transmission process, so that the workload of personnel is increased, and meanwhile, potential risks caused by misoperation are introduced, so that the operation amount and the risks are very large.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide an automatic defeated realization device that divides of natural gas line can effectually stop the potential safety hazard that gas transmission pipeline exists in service, security, reliability, the stability of the operation of effectual improvement natural gas line station.
The utility model provides an automatic defeated realization device that divides of natural gas line, include: the system comprises an engineer workstation, an operator workstation, a first industrial Ethernet switch, a second industrial Ethernet switch, an industrial control programmable logic controller, a regulating valve and a regulating valve matched process pipeline;
The engineer workstation, the operator workstation and the industrial control programmable logic controller are all connected with the first industrial Ethernet switch;
The engineer workstation, the operator workstation and the industrial control programmable logic controller are all connected with the second industrial Ethernet switch;
The process pipeline matched with the regulating valve is connected with the regulating valve, and a pressure transmitter is arranged on the process pipeline matched with the regulating valve;
And the pressure transmitter and the regulating valve are connected with the industrial control programmable logic controller.
As a further improvement of the utility model, be equipped with the first network card and the second network card that support 802.xx series standard agreement in the engineer workstation.
As a further improvement of the utility model, first network card inserts through first five types of twisted-pair lines first industry ethernet switch, second network card inserts through second five types of twisted-pair lines second industry ethernet switch.
As a further improvement of the utility model, a third network card and a fourth network card which support 802.xx series standard protocols are arranged in the operator workstation.
As a further improvement of the utility model, the third network card inserts through fifth type of twisted-pair line the first industry ethernet switch, the fourth network card inserts through fifth type of twisted-pair line the second industry ethernet switch.
As a further improvement, the industrial control programmable logic controller is internally provided with a first communication fastener and a second communication fastener.
As the utility model discloses further improvement, first communication fastener passes through the access of fifth type twisted pair the first industry ethernet switch, second communication fastener passes through the access of sixth fifth type twisted pair the second industry ethernet switch.
As a further improvement, the regulating valve is connected to the industrial control programmable logic controller through a first common cable.
As a further improvement, the pressure transmitter is connected to the industrial control programmable logic controller through a second common cable.
As a further improvement of the present invention, the first industrial ethernet switch and the second industrial ethernet switch both support 802.xx family standard protocols.
The utility model has the advantages that:
Can realize the automatic steady operation of dividing defeated of natural gas line, reduce because the maloperation that manual intervention leads to, alleviate the work load of central manual adjustment, reduce the input of cost of labor.
the safety, reliability and stability are improved, and the dispatching, operation, management and maintenance are convenient.
drawings
Fig. 1 is a schematic structural view of an automatic natural gas pipeline separation and transportation implementation device according to an embodiment of the present invention.
In the figure, the position of the upper end of the main shaft,
1. An engineer workstation; 1.1, a first network card; 1.2, a second network card; 2. an operator workstation; 2.1, a third network card; 2.2, a fourth network card; 3. a first industrial Ethernet switch; 4. a second industrial Ethernet switch; 5. an industrial control programmable logic controller; 5.1, a first communication card; 5.2, a second communication card; 6. adjusting a valve; 7. a first category five twisted pair; 8. a second category of twisted pair; 9. a third category of twisted pair; 10. a fourth category of twisted pair; 11. a fifth type of twisted pair; 12. a sixth category of twisted pair; 13. a first common cable; 14. a process pipeline matched with the regulating valve; 15. a pressure transmitter; 16. a second common cable.
Detailed Description
the present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
As shown in fig. 1, the utility model discloses a natural gas line automatic branch is defeated realizes device, include: engineer workstation 1, operator workstation 2, first industry ethernet switch 3, second industry ethernet switch 4, industrial control programmable logic controller 5, governing valve 6 and governing valve supporting process line 14.
The engineer workstation 1, the operator workstation 2 and the industrial control programmable logic controller 5 are all connected to a first industrial ethernet switch 3. The engineer workstation 1, the operator workstation 2 and the industrial control programmable logic controller 5 are all connected to a second industrial ethernet switch 4. The process pipeline 14 matched with the regulating valve is connected with the regulating valve 6, and a pressure transmitter 15 is arranged on the process pipeline 14 matched with the regulating valve. The pressure transmitter 15 and the regulating valve 6 are both connected with the industrial control programmable logic controller 5.
The engineer workstation 1 is provided with at least one, the engineer workstation 1 is provided with a first network card 1.1 and a second network card 1.2, and the first network card 1.1 and the second network card 1.2 both support standard protocols such as 802.xx series. The first network card 1.1 is connected to the first industrial Ethernet switch 3 through a first fifth type twisted pair 7, and the second network card 1.2 is connected to the second industrial Ethernet switch 4 through a second fifth type twisted pair 8.
at least one operator workstation 2 is arranged, the operator workstation 2 is provided with a third network card 2.1 and a fourth network card 2.2, and the third network card 2.1 and the fourth network card 2.2 both support 802.xx series standard protocols. The third network card 2.1 is connected to the first industrial ethernet switch 3 through a third fifth twisted pair 9, and the fourth network card 2.2 is connected to the second industrial ethernet switch 4 through a fourth fifth twisted pair 10.
At least two industrial Ethernet switches are arranged, and the first industrial Ethernet switch 3 and the second industrial Ethernet switch 4 both have a three-layer routing forwarding function and support standard protocols such as 802.1d, 802.1p/q, 802.1s, 802.1w, 802.1 x, 802.3ad, 802.3u and the like.
At least one set of industrial control programmable logic controller is set, a processor of the industrial control programmable logic controller 5 is based on a 32-bit CPU, and the memory of the processor is not less than 8M. The industrial control programmable logic controller 5 is provided with a first communication card 5.1 and a second communication card 5.2, the first communication card 5.1 is required to support the communication requirement of the first industrial Ethernet switch 3, and the second communication card 5.2 is required to support the communication requirement of the second industrial Ethernet switch 4. The first communication card 5.1 is connected to the first industrial ethernet switch 3 through a fifth type twisted pair 11, and the second communication card 5.2 is connected to the second industrial ethernet switch 4 through a sixth fifth type twisted pair 12.
The adjusting valve 6 and the adjusting valve matched process pipeline 14 are at least provided in one set, the power supply of an internal control circuit of an actuating mechanism of the adjusting valve 6 is preferably direct current 24V, and the actuating mechanism of the adjusting valve 6 receives 4-20 mADC analog control signals from the industrial control programmable logic controller 5 and can output 4-20 mADC valve opening degree feedback signals. The regulating valve 6 is connected to the industrial control programmable logic controller 5 through a first common cable 13.
At least one pressure transmitter 15 is arranged, the pressure transmitter 15 supports a Hart protocol, and 4-20 Madc feedback signals can be output. The pressure transmitter 15 is connected to the industrial control programmable logic controller 5 through a second common cable 16.
wherein, the aperture of the regulating valve 6 is 2 inches, and the pressure grade is Class 600; the aperture of a process pipeline 14 matched with the regulating valve is 2 inches, and the pressure grade is Class 600; pressure transmitter 15 is Class600 pressure.
When the automatic sub-transmission of pipelines of a gas transmission station is realized, a mathematical model of a regulating valve 6 and a regulating valve matched process pipeline 14 in an engineer workstation 1 is well established, a PID controller in the engineer workstation 1 trains the mathematical model of the regulating valve 6 and the regulating valve matched process pipeline 14, a prediction controller in the engineer workstation 1 trains the rolling optimized mathematical model, proportional parameters, integral parameters and differential parameters of the PID controller trained in the engineer workstation 1 are assigned to a PID controller in an operator workstation 2 through a first industrial Ethernet switch 3, the adjusted sampling time and reference trajectory response time in the engineer workstation 1 are assigned to the predictive controller in the operator workstation 2 via the first industrial ethernet switch 3, the predictive controller in the operator station 2 gives a control amount according to the operating condition and performs output control. The operator workstation 2 monitors a valve position signal of the regulating valve 6, the first common cable 13 carries the valve position signal fed back by the regulating valve 6, the first communication card 5.1 in the industrial control programmable logic controller 5 feeds back the valve position signal to the operator workstation 2 through the fifth type twisted pair 11, the first industrial Ethernet switch 3 and the third fifth type twisted pair 9, and the second communication card 5.2 in the industrial control programmable logic controller 5 feeds back the valve position signal to the operator workstation 2 through the sixth fifth type twisted pair 12, the second industrial Ethernet switch 4 and the fourth fifth type twisted pair 10, so that closed-loop control is formed. The operator workstation 2 monitors the medium pressure in a process pipeline 14 matched with the regulating valve, the second common cable 16 carries a medium pressure signal fed back by the pressure transmitter 15, the first communication fastener 5.1 in the industrial control programmable logic controller 5 feeds the medium pressure signal back to the operator workstation 2 through the fifth type twisted pair 11, the first industrial Ethernet switch 3 and the third fifth type twisted pair 9, and the second communication fastener 5.2 in the industrial control programmable logic controller 5 feeds the medium pressure signal back to the operator workstation 2 through the sixth fifth type twisted pair 12, the second industrial Ethernet switch 4 and the fourth fifth type twisted pair 10 to form closed-loop control.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an automatic defeated realization device that divides of natural gas line which characterized in that includes: the system comprises an engineer workstation (1), an operator workstation (2), a first industrial Ethernet switch (3), a second industrial Ethernet switch (4), an industrial control programmable logic controller (5), a regulating valve (6) and a regulating valve matched process pipeline (14);
The engineer workstation (1), the operator workstation (2) and the industrial control programmable logic controller (5) are all connected with the first industrial Ethernet switch (3);
The engineer workstation (1), the operator workstation (2) and the industrial control programmable logic controller (5) are all connected with the second industrial Ethernet switch (4);
The process pipeline (14) matched with the regulating valve is connected with the regulating valve (6), and a pressure transmitter (15) is arranged on the process pipeline (14) matched with the regulating valve;
and the pressure transmitter (15) and the regulating valve (6) are connected with the industrial control programmable logic controller (5).
2. The automatic natural gas pipeline distribution and delivery realizing device according to claim 1, wherein a first network card (1.1) and a second network card (1.2) which support 802.xx series standard protocols are arranged in the engineer workstation (1).
3. The automatic natural gas pipeline distribution device according to claim 2, wherein the first network card (1.1) is connected to the first industrial ethernet switch (3) through a first five-type twisted pair (7), and the second network card (1.2) is connected to the second industrial ethernet switch (4) through a second five-type twisted pair (8).
4. The automatic gas pipeline distribution and delivery realization device according to claim 1, characterized in that a third network card (2.1) and a fourth network card (2.2) supporting 802.xx series standard protocols are arranged in the operator workstation (2).
5. The automatic natural gas pipeline distribution device according to claim 4, wherein the third network card (2.1) is connected to the first industrial Ethernet switch (3) through a third fifth type twisted pair (9), and the fourth network card (2.2) is connected to the second industrial Ethernet switch (4) through a fourth fifth type twisted pair (10).
6. The automatic natural gas pipeline distribution and transportation implementation device is characterized in that a first communication clamping piece (5.1) and a second communication clamping piece (5.2) are arranged in the industrial control programmable logic controller (5).
7. The automatic gas pipeline distribution device according to claim 6, wherein the first communication card (5.1) is connected to the first industrial Ethernet switch (3) through a fifth type twisted pair (11), and the second communication card (5.2) is connected to the second industrial Ethernet switch (4) through a sixth fifth type twisted pair (12).
8. The automatic natural gas pipeline distribution device according to claim 1, wherein the regulating valve (6) is connected to the industrial control programmable logic controller (5) through a first common cable (13).
9. The automatic split delivery realization device of natural gas pipeline according to claim 1 is characterized in that the pressure transmitter (15) is connected to the industrial control programmable logic controller (5) through a second common cable (16).
10. The automatic gas pipeline distribution implementation apparatus according to claim 1, wherein the first industrial ethernet switch (3) and the second industrial ethernet switch (4) each support 802.xx series of standard protocols.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920148119.1U CN209762726U (en) | 2019-01-28 | 2019-01-28 | Automatic separate transportation implementation device for natural gas pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920148119.1U CN209762726U (en) | 2019-01-28 | 2019-01-28 | Automatic separate transportation implementation device for natural gas pipeline |
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| CN209762726U true CN209762726U (en) | 2019-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812702A (en) * | 2019-01-28 | 2019-05-28 | 中国石油天然气集团公司 | A kind of natural gas line divides defeated realization device automatically |
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2019
- 2019-01-28 CN CN201920148119.1U patent/CN209762726U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812702A (en) * | 2019-01-28 | 2019-05-28 | 中国石油天然气集团公司 | A kind of natural gas line divides defeated realization device automatically |
| CN109812702B (en) * | 2019-01-28 | 2023-09-08 | 中国石油天然气集团有限公司 | Automatic separate-conveying device for natural gas pipelines |
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