CN209839703U - Shale gas well production flow pipeline antiseptic automatic filling device that disinfects - Google Patents
Shale gas well production flow pipeline antiseptic automatic filling device that disinfects Download PDFInfo
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- CN209839703U CN209839703U CN201921696246.1U CN201921696246U CN209839703U CN 209839703 U CN209839703 U CN 209839703U CN 201921696246 U CN201921696246 U CN 201921696246U CN 209839703 U CN209839703 U CN 209839703U
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- automatic filling
- shale gas
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Abstract
The utility model discloses a shale gas well production process pipeline sterilization anticorrosion automatic filling device, including a plurality of production process pipelines (17), at least two medicament jars (2), medicament jar (2) are connected with the main pipeline, are equipped with solenoid valve A (3) on the main pipeline, and the main pipeline is connected with a plurality of branch pipelines, and a plurality of branch pipelines are connected with filling port short circuit (14) of production process pipeline (17) respectively, are equipped with plunger type measuring pump (6), buffer tank (7), pulse damper (8), back pressure valve (9), pressure transmitter (10), flow transmitter A (11), solenoid valve B (12) and manual valve (13) on the branch pipeline in proper order; and the production process pipeline (17) is provided with a flow transmitter B (15) and also comprises a PLC control device which is connected with the main pipeline electrical element to realize automatic filling. The utility model has the characteristics of automatic filling, steerable filling proportion, the dual correction of filling flow through 4G network remote monitoring, reduce medicament filling cost.
Description
Technical Field
The utility model relates to a shale gas well production flow pipeline medicament field of filling, especially a shale gas well production flow pipeline antiseptic automatic filling device that disinfects.
Background
The shale gas well site production process has more pipelines and more types of required filling agents. At present, in the industry, a plunger metering pump is generally adopted for filling a medicament in a medicament filling mode in the sterilization and corrosion prevention of a production flow pipeline of a rock gas well, although the medicament filling quantity can be accurately controlled, the production condition of a well site is variable, manual intervention is needed under the condition that the production flow is uncertain, and the injection dosage of the pump is adjusted. Wellsites are often decentralized, and this approach does not allow centralized adjustment, requiring personnel to travel to and from each wellsite for extended periods of time, resulting in significant waste. Meanwhile, the residual amount of the medicament cannot be monitored in real time, so that the medicament is frequently wasted in the medicament supplementing process, and the medicament filling cost is undoubtedly and greatly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide one kind can annotate automatically, steerable filling proportion carries out dual correction through PLC controlgear, realizes the centralized remote monitoring of many well sites, reduces the anticorrosive automatic filling device of shale gas well production flow pipeline sterilization of medicament filling cost.
The purpose of the utility model is realized through the following technical scheme: a sterilization and corrosion prevention automatic filling device for shale gas well production process pipelines comprises a plurality of production process pipelines, and comprises at least two agent tanks, wherein the agent tanks are connected with a main pipeline, a solenoid valve A is arranged on the main pipeline, the main pipeline is connected with a plurality of branch pipelines, the branch pipelines are respectively in short connection with filling ports of the production process pipelines, the filling ports are in short connection with the pipelines of the production process, and a plunger type metering pump, a buffer tank, a pulse damper, a back pressure valve, a pressure transmitter, a flow transmitter A and a solenoid valve B are sequentially arranged on the branch pipelines; and a flow transmitter B is arranged on the production flow pipeline.
The device also comprises a PLC control device which is respectively electrically connected with the electromagnetic valve A, the plunger type metering pump, the pressure transmitter, the flow transmitter A, the electromagnetic valve B and the flow transmitter B.
Further, still include the overvoltage protection pipeline, overvoltage protection pipeline one end is connected with the medicament jar, and the other end is connected respectively between solenoid valve B12 and the flow transmitter A11 on a plurality of branch pipelines, is provided with solenoid valve C on the overvoltage protection pipeline and is connected with PLC controlgear electricity.
Further, a Y-shaped filter is further arranged on the main pipeline.
Further, install liquid level transmitter on the medicament jar, and liquid level transmitter is connected with PLC controlgear.
Furthermore, a manual valve is arranged on the branch line behind the electromagnetic valve B.
Further, the PLC control equipment comprises a PLC main control module, a plurality of PLC expansion modules, a 4G network module, a touch control screen and a relay switch, wherein the PLC expansion modules are connected with the PLC main control module; PLC main control module passes through BD board extension communication mouth with a plurality of PLC expansion module and is connected, touch control screen passes through RS232 communication line with PLC main control module and is connected, 4G network module passes through RS485 communication line with PLC main control module and is connected relay switch provides power input control for PLC main control module and touch control screen.
Further, the PLC master control module adopts an XC2-24R-E controller of a signal XC2 series.
Further, the PLC extension module adopts XC-E8AD-H and XC-E4DA-H extension modules of the XinjiXC 2 series.
Further, the touch screen adopts a Xinjie TG765S-XT touch control screen.
The utility model has the advantages of it is following:
1. the device is connected with various control elements through PLC control equipment to control the medicament filling amount, can control the filling proportion and automatically fill according to the setting requirement;
2. the PLC control equipment of the device can realize the double flow calibration function, so that the flow filling is more accurate;
3. the buffer tank and the pulsation damper are arranged, so that the pulse generated by the metering pump can be reduced to the greatest extent.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the circuit structure of the present invention;
FIG. 3 is a schematic view of the connection relationship between the PLC main controller and the solenoid valve;
FIG. 4 is a schematic view of the connection relationship between the PLC expansion module and the frequency converter of the plunger metering pump according to the present invention;
FIG. 5 is a schematic view of the connection relationship between the PLC expansion module and the flow transmitter, the liquid level meter and the pressure transmitter;
fig. 6 is a schematic view of the medicament filling control flow of the present invention.
In the figure: 1-liquid level transmitter, 2-medicament tank, 3-electromagnetic valve A, 4-Y type filter, 5-electromagnetic valve C, 6-plunger type metering pump, 7-buffer tank, 8-pulse damper, 9-backpressure valve, 10-pressure transmitter, 11-flow transmitter A, 12-electromagnetic valve B, 13-manual valve, 14-filling port short circuit, 15-flow transmitter B, 16-PLC control equipment and 17-production process pipeline.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
In the embodiment, as shown in fig. 1, an automatic sterilization and anticorrosion filling device for a shale gas well production process pipeline comprises three production process pipelines 17, wherein the three production process pipelines 17 comprise two medicament tanks 2, the two medicament tanks are respectively used for containing an antiseptic and a bactericide, the medicament tanks 2 are connected with a main pipeline, a solenoid valve A3 is arranged on the main pipeline, the main pipeline is connected with three branch pipelines, the three branch pipelines are respectively connected with a filling port short circuit 14 of the production process pipeline 17, and a plunger type metering pump 6, a buffer tank 7, a pulse damper 358, a back pressure valve 9, a pressure transmitter 10, a flow transmitter a11 and a solenoid valve B12 are sequentially arranged on the branch pipelines; the production flow pipeline 17 is provided with a flow transmitter B15.
The buffer tank 7 and the pulse damper 8 can eliminate liquid pressure pulsation or flow pulsation in the pipeline, stabilize fluid pressure and flow, eliminate pipeline vibration, protect downstream instruments and equipment and increase pump volumetric efficiency, the backpressure valve 9 mainly has the effects of keeping a return pipeline at a certain pressure, enabling an actuating mechanism to act stably and eliminating errors caused by metering of the liquid adding amount due to excessive delivery when the plunger type metering pump 6 works under low system pressure.
In this embodiment, still include the overvoltage protection pipeline, overvoltage protection pipeline one end is connected with medicament jar 2, and the other end is connected respectively between solenoid valve B12 and the flow transmitter A11 on three spinal branch pipelines, is provided with solenoid valve C5 on the overvoltage protection pipeline and is connected with PLC controlgear electricity.
And a Y-shaped filter 4 is also arranged on the main pipeline.
In order to monitor the residual medicament amount in the medicament tank 2 in real time, the medicament tank 2 is provided with a liquid level transmitter 1, and the liquid level transmitter 1 is connected with a PLC control device.
And a manual valve 13 is also arranged behind the electromagnetic valve B12 on the branch line, and the arrangement of the manual valve ensures that the pipeline can be normally used when the electromagnetic valve B12 is accidentally damaged.
In this embodiment, as shown in fig. 2, the plunger metering pump further includes a PLC control device, and the PLC control device is electrically connected to the electromagnetic valve A3, the plunger metering pump 6, the pressure transmitter 10, the flow transmitter a11, the electromagnetic valve B12, and the flow transmitter B15, respectively.
The PLC control equipment comprises a PLC main control module, a plurality of PLC expansion modules, a 4G network module, a touch control screen and a relay switch, wherein the PLC expansion modules are connected with the PLC main control module; PLC main control module passes through BD board extension communication mouth with a plurality of PLC expansion module and is connected, touch control screen passes through RS232 communication line with PLC main control module and is connected, 4G network module passes through RS485 communication line with PLC main control module and is connected, relay switch provides power input control for PLC main control module and touch control screen. The PLC main control module adopts a belief XC2 series XC2-24R-E controller; the PLC expansion module adopts an XC-E8AD-H and XC-E4DA-H expansion module of a belief XC2 series; the touch screen adopts a Xinjie TG765S-XT touch control screen.
The PLC is also additionally provided with a 4G network module, and the filling states in a plurality of wellsites can be monitored in real time at a far end and controlled.
In this embodiment, as shown in fig. 3, 4, and 5, the PLC main control module XC2-24R-E respectively connects and controls 2 electromagnetic valves a, 2 electromagnetic valves B, and 4 electromagnetic valves C; the PLC expansion module XC-E8AD-H is respectively connected with and controls 6 flow transmitters A, 3 flow transmitters B and 6 pressure transmitters; and the PLC expansion modules XC-E4DA-H are respectively connected with and control 6 plunger type metering pumps.
The PLC control equipment can realize double correction functions, and the first function is to control the metering pump 6 to perform real-time correction through the instantaneous flow of the flow transmitter B15 on the production flow pipeline 17; the second is to make a stepwise correction of the flow rate average over a certain period of time of the acquisition of the flow rate transmitter B15 on the control metering pump 6 through the production flow line 17.
As shown in fig. 6, the working process of the present invention is as follows: the PLC control device 16 detects that the production flow pipeline 17 has flow through the flow transmitter B15, the electromagnetic valve A3, the electromagnetic valve B12 and the plunger type metering pump 6 are started for filling, the medicament flows through the electromagnetic valve A3 and the Y-shaped filter 4 through the pipeline and enters the plunger type metering pump 6, the medicament passes through the plunger type metering pump 6, passes through the buffer tank 7, the pulse damper 8, the back pressure valve 9 and the pressure transmitter 10, when the pressure obtained by the pressure transmitter 10 is over-pressure, the electromagnetic valve C5 is started to close the plunger type metering pump 6, the electromagnetic valve A3 and the electromagnetic valve B12, the system safety is ensured, the medicament passes through the manual valve 13 and finally enters the production flow pipeline 17 through the filling port short circuit 14, in the filling process, the flow transmitters B15 on the three production flow pipelines 17 continuously feed the yield of the ground well back to the PLC control device, and the correction can be carried out by adjusting, meanwhile, the PLC control equipment can collect the average flow of the flow transmitter B15 in a certain time period and correct the medicament flow of the plunger metering pump 6 again, so that the aim of medicament filling refinement is fulfilled.
Claims (9)
1. The utility model provides a shale gas well production flow pipeline anticorrosive automatic filling device that disinfects, includes a plurality of production flow pipelines (17), its characterized in that: the device comprises at least two medicament tanks (2), wherein the medicament tanks (2) are connected with a main pipeline, a solenoid valve A (3) is arranged on the main pipeline, the main pipeline is connected with a plurality of branch pipelines, the branch pipelines are respectively connected with a filling port short circuit (14) of a production process pipeline (17), and a plunger type metering pump (6), a buffer tank (7), a pulse damper (8), a back pressure valve (9), a pressure transmitter (10), a flow transmitter A (11) and a solenoid valve B (12) are sequentially arranged on the branch pipelines; a flow transmitter B (15) is arranged on the production process pipeline (17);
the device is characterized by further comprising a PLC control device, wherein the PLC control device is electrically connected with the electromagnetic valve A (3), the plunger type metering pump (6), the pressure transmitter (10), the flow transmitter A (11), the electromagnetic valve B (12) and the flow transmitter B (15) respectively.
2. The shale gas well production flow line sterilization and corrosion prevention automatic filling device as claimed in claim 1, which is characterized in that: still include the overvoltage protection pipeline, overvoltage protection pipeline one end is connected with medicament jar (2), and the other end is connected respectively between solenoid valve B (12) and flow transmitter A (11) on a plurality of branch pipelines, is provided with solenoid valve C (5) on the overvoltage protection pipeline and is connected with PLC controlgear electricity.
3. The shale gas well production flow line sterilization and corrosion prevention automatic filling device as claimed in claim 1, which is characterized in that: and a Y-shaped filter (4) is also arranged on the main pipeline.
4. The shale gas well production flow line sterilization and corrosion prevention automatic filling device as claimed in claim 1, which is characterized in that: install liquid level transmitter (1) on medicament jar (2), and liquid level transmitter (1) is connected with PLC controlgear.
5. The shale gas well production flow line sterilization and corrosion prevention automatic filling device as claimed in claim 1, which is characterized in that: and a manual valve (13) is also arranged behind the electromagnetic valve B (12) on the branch line.
6. The shale gas well production flow line sterilization and corrosion prevention automatic filling device as claimed in claim 1, which is characterized in that: the PLC control equipment comprises a PLC main control module, a plurality of PLC expansion modules, a 4G network module, a touch control screen and a relay switch, wherein the PLC expansion modules are connected with the PLC main control module; PLC main control module passes through BD board extension communication mouth with a plurality of PLC expansion module and is connected, touch control screen passes through RS232 communication line with PLC main control module and is connected, 4G network module passes through RS485 communication line with PLC main control module and is connected, relay switch provides power input control for PLC main control module and touch control screen.
7. The shale gas well production flow line sterilization and corrosion prevention automatic filling device as claimed in claim 6, characterized in that: the PLC main control module adopts an XC2-24R-E controller of a signal agile XC2 series.
8. The shale gas well production flow line sterilization and corrosion prevention automatic filling device as claimed in claim 6, characterized in that: the PLC extension module adopts an XC-E8AD-H and XC-E4DA-H extension module of an agile XC2 series.
9. The shale gas well production flow line sterilization and corrosion prevention automatic filling device as claimed in claim 6, characterized in that: the touch screen adopts a Xinjie TG765S-XT touch control screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696246.1U CN209839703U (en) | 2019-10-11 | 2019-10-11 | Shale gas well production flow pipeline antiseptic automatic filling device that disinfects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696246.1U CN209839703U (en) | 2019-10-11 | 2019-10-11 | Shale gas well production flow pipeline antiseptic automatic filling device that disinfects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839703U true CN209839703U (en) | 2019-12-24 |
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ID=68900102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921696246.1U Active CN209839703U (en) | 2019-10-11 | 2019-10-11 | Shale gas well production flow pipeline antiseptic automatic filling device that disinfects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209839703U (en) |
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2019
- 2019-10-11 CN CN201921696246.1U patent/CN209839703U/en active Active
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