CN209799927U - Wax-proof antiscale anticorrosion system - Google Patents
Wax-proof antiscale anticorrosion system Download PDFInfo
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- CN209799927U CN209799927U CN201920678379.XU CN201920678379U CN209799927U CN 209799927 U CN209799927 U CN 209799927U CN 201920678379 U CN201920678379 U CN 201920678379U CN 209799927 U CN209799927 U CN 209799927U
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Abstract
The utility model discloses a wax control scale control anticorrosion system, have the connecting pipe of coil including an outside winding, the coil outside is equipped with the controller, and the one end of connecting pipe is used for connecting defeated oil pipe, and the other end is used for connecting well head oil outlet pipeline, is equipped with the power supply terminal that is used for the power to connect on the controller, the controller includes power supply circuit, PLC controller, oscillating circuit, impulse circuit and drive circuit, PLC controller connects behind oscillating circuit, impulse circuit and the drive circuit connection coil in order. The utility model has reasonable design, simple structure and easy manufacture, can automatically adjust the working frequency of the coil, can control the output power of the equipment, is suitable for oil wells with different oil qualities, and lightens the labor intensity of workers; and the circuit is simple and easy, not fragile. In addition, the electromagnetic coils wound in groups generate easy heat dissipation, and the burning phenomenon is reduced or eliminated.
Description
Technical Field
The utility model relates to a crude oil exploitation wax control scale control technical field, concretely relates to wax control scale control anticorrosion system.
Background
The problems of wax deposition and scaling of an oil well often occur in the oil extraction production process of the oil field, and the wax or the scale at the well mouth needs to be removed in time in order to ensure the production of crude oil. The method has the advantages that chemical paraffin removal and prevention agents and scale inhibitors are usually used for preventing wax deposition of a well mouth, hot washing is assisted, the workload is large, special persons and special equipment are required to be matched, the well cannot be washed by adding chemicals periodically due to rain and the like, the load and load ratio of the oil pumping unit are not constant, meanwhile, oil layers are polluted by frequent hot washing, the recovery life of an oil well is shortened, the productivity is seriously influenced, and therefore the electromagnetic paraffin prevention and scale prevention viscosity reducer is provided.
The circuit of the existing electromagnetic wax-proof antiscale viscosity reducer can only work according to a preset mode, the output frequency is fixed and single, and a few circuits which can be adjusted are fixed on a certain frequency after being manually adjusted. Because the oil produced by each well is different, the working mode can not adapt to the production requirement, the frequency is often required to be adjusted for many times, the wax-proof, scale-proof and viscosity-reducing effects can not be achieved, and the labor intensity of workers is high. Meanwhile, the electromagnetic wax-proof anti-scaling viscosity reducer in the prior art is not provided with duty ratio regulation, and the output power of the regulating equipment can be realized only by regulating voltage, so that the circuit of the equipment is complicated and is easy to damage. In addition, the electromagnetic coil of the prior art product is mostly a whole, and the generated heat is not easy to dissipate and is easy to burn.
Disclosure of Invention
the utility model aims at providing a wax control scale control anticorrosion system to the defect that prior art exists.
The technical scheme is as follows: the wax-proof, scale-proof and corrosion-proof system comprises a connecting pipe, wherein a coil is wound outside the connecting pipe, a controller is arranged outside the coil, one end of the connecting pipe is used for being connected with an oil conveying pipe, the other end of the connecting pipe is used for being connected with a wellhead oil outlet pipeline, a power supply terminal for power supply connection is arranged on the controller, the controller comprises a power supply circuit, a PLC (programmable logic controller), an oscillating circuit, a pushing circuit and a driving circuit, two output ends of the PLC are respectively connected with a frequency control end and a duty ratio control end of the oscillating circuit, the output end of the oscillating circuit is connected with the input end of the pushing circuit, the output end of the pushing circuit is connected with the input end of; the input end of the power circuit is connected with a power terminal, the first positive output end of the power circuit is connected with the power positive end of the PLC, the power positive end of the oscillating circuit and the power positive end of the driving circuit, and the second positive output end of the power circuit is connected with the other end of the coil; and the negative output end of the power supply circuit is connected with the negative end of the power supply of the PLC, the negative end of the power supply of the oscillation circuit and the negative end of the power supply of the driving circuit.
The coils are arranged into 3 groups which are sequentially connected in series from head to tail; each group of coils is formed by densely winding enamelled wires with the wire diameter of 1.5-2 mm on a framework by 1200-1800 turns.
The PLC is a PLC with a touch screen.
The oscillating circuit comprises an integrated circuit, a resistor, a capacitor, an adjustable resistor and an optical coupler, wherein one end of the first resistor is a frequency control end of the oscillating circuit, the other end of the first resistor is connected with a positive input end of the first optical coupler, a pin 1 of the integrated circuit is connected with a pin 2 of the integrated circuit, one output end of the first optical coupler and one end of the first capacitor, the other output end of the first optical coupler is connected with a pin 3 of the integrated circuit, a pin 5 of the integrated circuit, a pin 6 of the integrated circuit, one end of the second capacitor and one output end of the second optical coupler through the first adjustable resistor, the other end of the first capacitor is connected with a pin 4 of the integrated circuit, a pin 8 of the integrated circuit, a pin 9 of the integrated circuit and one end of the second adjustable resistor, the other end of the second adjustable resistor is connected with the other output end of the second optical coupler, and the other end of the second capacitor is connected with a pin, the positive input end of the second optical coupler is connected with one end of a second resistor, the other end of the second resistor is a duty ratio control end of the oscillating circuit, 14 pins of the integrated circuit are a power supply positive end of the oscillating circuit, and 7 pins of the integrated circuit are connected with a negative input end of the first optical coupler and a negative input end of the second optical coupler and are a power supply negative end of the oscillating circuit.
The type of the integrated circuit is CD 4011; the resistance values of the first resistor and the second resistor are 1-5.1K omega; the resistance values of the first adjustable resistor and the second adjustable resistor are 20-100K omega; the first optical coupler and the second optical coupler are photoresistance type optical couplers; the first capacitor has a capacity of 1-3 muF, and the second capacitor has a capacity of 560-1000 pF.
The input voltage of the power circuit is alternating current 220 or 380V, the first output end voltage of the power circuit is direct current 12V, the second output end voltage of the power circuit is direct current 160V, and the output power of the power circuit is larger than 1500W.
The driving circuit is an NPN type triode, the base electrode of the NPN type triode is connected with a driving resistor, the outer end of the driving resistor is the input end of the driving circuit, the collector of the NPN type triode is the positive electrode end of the power supply of the driving circuit, and the emitter of the NPN type triode is the output end of the driving circuit; the driving circuit consists of a transient suppression diode, a freewheeling diode, a release resistor and an IGBT (insulated gate bipolar transistor), wherein the transient suppression diode and the release resistor are connected between a gate pole of the IGBT and an emitter pole of the IGBT, a collector pole and an emitter pole of the IGBT are respectively connected with a negative pole and a positive pole of the freewheeling diode, the gate pole of the IGBT is an input end of the driving circuit, the collector pole of the IGBT is an output end of the driving circuit, and the emitter pole of the IGBT is a power supply negative end of the driving circuit; the resistance value of the push resistor is 1K omega; the resistance value of the release resistor is 5K omega; the model of the transient suppression diode is SMBJ15 CA; the NPN type triode is 8050; the rated current of the IGBT tube is more than or equal to 20A, and the withstand voltage is more than or equal to 1000V.
Compared with the prior art, the utility model, have following advantage: the oil well frequency adjusting device has the advantages that the design is reasonable, the structure is simple, the manufacture is easy, the working frequency of the coil can be automatically adjusted, the output power of equipment can be controlled, the oil well frequency adjusting device is suitable for oil wells with different oil qualities, and the labor intensity of workers is reduced; and the circuit is simple and easy, not fragile. In addition, the electromagnetic coils wound in groups generate easy heat dissipation, and the burning phenomenon is reduced or eliminated.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
Fig. 2 is a circuit diagram of an embodiment of the present invention.
Detailed Description
Referring to fig. 1-2, a wax-proof, scale-proof and corrosion-proof system comprises a connecting pipe 2 wound with a coil 1, a controller 3 is arranged outside the coil 1, one end of the connecting pipe 2 is used for connecting an oil pipeline, the other end of the connecting pipe is used for connecting a wellhead oil outlet pipeline, a power terminal 4 used for power connection is arranged on the controller 3, the controller 3 comprises a power circuit 35, a PLC controller 31, an oscillating circuit 32, a pushing circuit 33 and a driving circuit 34, two output ends of the PLC controller 31 are respectively connected with a frequency control end and a duty ratio control end of the oscillating circuit 32, an output end of the oscillating circuit 32 is connected with an input end of the pushing circuit 33, an output end of the pushing circuit 33 is connected with an input end of the driving circuit 34, and an output end of the driving circuit 34 is connected with; the input end of the power circuit 35 is connected with a power terminal 4, the first positive output end of the power circuit 35 is connected with the power positive end of the PLC 31, the power positive end of the oscillating circuit 32 and the power positive end of the driving circuit 33, and the second positive output end of the power circuit 35 is connected with the other end of the coil 1; the negative output end of the power circuit 35 is connected to the negative power end of the PLC controller 31, the negative power end of the oscillation circuit 32, and the negative power end of the drive circuit 34.
The coils 1 are arranged into 3 groups which are sequentially connected in series from head to tail; each group of coils is formed by densely winding enamelled wires with the wire diameter of 1.5-2 mm on a framework by 1200-1800 turns; the winding mode of the coil 1 is beneficial to heat dissipation and burning prevention. The PLC controller 31 is a PLC controller with a touch screen 30.
The oscillation circuit 32 comprises an integrated circuit, a resistor, a capacitor, an adjustable resistor and an optical coupler, one end of a first resistor R1 is a frequency control end of the oscillation circuit 32, the other end of the first resistor R1 is connected with an anode input end of a first optical coupler G1, a pin 1 of the integrated circuit IC is connected with a pin 2 of the integrated circuit IC, one output end of the first optical coupler G1 and one end of a first capacitor C1, the other output end of the first optical coupler G1 is connected with a pin 3 of the integrated circuit IC, a pin 5 of the integrated circuit IC, a pin 6 of the integrated circuit IC, one end of a second capacitor C2 and one output end of the second optical coupler G2 through a first adjustable resistor W1, the other end of the first capacitor C1 is connected with a pin 4 of the integrated circuit IC, a pin 8 of the integrated circuit IC, a pin 9 of the integrated circuit IC and one end of the second adjustable resistor W2, the other end of the second adjustable resistor W2 is connected with the other output end of the second optical coupler G2, and the other end of the second capacitor C2 is connected with an output end of the IC 10 of, the positive input end of the second optical coupler G2 is connected with one end of a second resistor R2, the other end of the second resistor R2 is a duty ratio control end of the oscillating circuit 32, a 14 pin of the integrated circuit IC is a power supply positive end of the oscillating circuit 32, and a 7 pin of the integrated circuit IC is connected with a negative input end of the first optical coupler G1 and a negative input end of the second optical coupler G2 and is a power supply negative end of the oscillating circuit 32. The type of the integrated circuit IC is CD 4011; the resistance values of the first resistor R1 and the second resistor R2 are 1-5.1K omega; the resistance values of the first adjustable resistor W1 and the second adjustable resistor W2 are 20-100K omega; the first optical coupler G1 and the second optical coupler G2 are photoresistor type optical couplers (such as LCR-0202); the capacitance of the first capacitor C1 is 1-3 muF, and the capacitance of the second capacitor C2 is 560-1000 pF.
The input voltage of the power circuit 35 is ac 220 or 380V, the first output terminal voltage thereof is dc 12V, the second output terminal voltage thereof is dc 160V, and the output power thereof is greater than 1500W. The pushing circuit 33 is an NPN type triode T1 with a base connected with a pushing resistor R3, an outer end of the pushing resistor R3 is an input end of the pushing circuit 33, a collector of the NPN type triode T1 is a power supply positive end of the pushing circuit 33, and an emitter of the NPN type triode T1 is an output end of the pushing circuit 33; the driving circuit 34 is composed of a transient suppression diode D1, a freewheeling diode D2, a release resistor R4 and an IGBT tube T2, a transient suppression diode D1 and a release resistor R4 are connected between a gate of the IGBT tube T2 and an emitter thereof, a collector of the IGBT tube T2 and the emitter thereof are respectively connected with a cathode and an anode of the freewheeling diode D2, a gate of the IGBT tube T2 is an input end of the driving circuit 34, a collector of the IGBT tube T2 is an output end of the driving circuit 34, and an emitter of the IGBT tube T2 is a power supply cathode end of the driving circuit 34; the resistance value of the push resistor R3 is 1K omega; the resistance value of the release resistor R4 is 5K omega; the model of the transient suppression diode D1 is SMBJ15 CA; the model of the NPN type triode T1 is 8050; the rated current of the IGBT tube is more than or equal to 20A, the withstand voltage is more than or equal to 1000V, such as K25T120 (a freewheeling diode can be omitted in the model), GT40T101, ZQB35JA and the like.
When the PLC controller 31 is in operation, the PLC controller 31 is firstly set to be connected with the output end of the frequency control end of the oscillating circuit 32, and can automatically output signals which are reciprocated in a manner of 0 mA-20 mA-0 mA-20 mA, wherein the signals are continuously and gradually increased from 0 to 20mA, and then are continuously and gradually decreased from 20mA to 0mA instead of sudden change, and the cycle period of the PLC controller can be 1-5 times/second; the PLC 31 is connected with the output end of the duty ratio control end of the oscillating circuit 32, can be manually controlled to output signals of 0 mA-20 mA-0 mA through the touch screen 30, and can be adjusted steplessly, wherein the signals are from 0 to 20mA and are reduced from 20mA to 0 mA.
The input voltage of the power circuit 35 is 220V-380V, one path of the output voltage is 12V dc voltage to supply power for the PLC controller 31, the oscillation circuit 32 and the push circuit 33, and the other path of the output voltage is 160V dc voltage to supply power for the coil 1.
Under the control of the PLC 31, the oscillating circuit 32 can generate a stepless reciprocating oscillating signal with the frequency of stepless gradual rising, descending and rising between 0Hz to 150Hz to 0Hz, the signal is amplified by the pushing circuit 33 and then is transmitted to the coil 1 through the pushing circuit 33, so that a transformed electromagnetic field is generated on the coil 1, and a magnetic field capable of covering any fluid component is formed along the oil pipe and inside the oil pipe by virtue of the magnetic conductivity of the oil pipe, the polished rod and the medium in the oil pipe, and the magnetic field intensity is periodically transformed according to a certain rule. The changed frequency can cover all the wax and scale frequencies, thereby achieving the purposes of viscosity reduction, wax prevention and scale prevention. Under the action of the magnetic field, the molecular group of the large mucus is decomposed into a plurality of small molecular groups or single molecular state, and the small molecular groups or the single molecular state are arranged in order of polarity and suspended in the oil flow, so that the chance of crystallization on the wall of the oil flow is reduced. The duty ratio of the output signal of the oscillation circuit 32 can be controlled by the touch screen 30, so that the power of the coil 1 is controlled.
The utility model has reasonable design, simple structure and easy manufacture, can automatically adjust the working frequency of the coil, can control the output power of the equipment, is suitable for oil wells with different oil qualities, and lightens the labor intensity of workers; and the circuit is simple and easy, not fragile. In addition, the electromagnetic coils wound in groups generate easy heat dissipation, and the burning phenomenon is reduced or eliminated.
Claims (7)
1. Wax control scale control anticorrosion system has the connecting pipe of coil including an outside winding, and the coil outside is equipped with the controller, and the one end of connecting pipe is used for connecting defeated oil pipe, and the other end is used for connecting well head oil outlet pipeline, is equipped with the power supply terminal that is used for the power to connect on the controller, its characterized in that: the controller comprises a power supply circuit, a PLC (programmable logic controller), an oscillating circuit, a pushing circuit and a driving circuit, wherein two output ends of the PLC are respectively connected with a frequency control end and a duty ratio control end of the oscillating circuit; the input end of the power circuit is connected with a power terminal, the first positive output end of the power circuit is connected with the power positive end of the PLC, the power positive end of the oscillating circuit and the power positive end of the driving circuit, and the second positive output end of the power circuit is connected with the other end of the coil; and the negative output end of the power supply circuit is connected with the negative end of the power supply of the PLC, the negative end of the power supply of the oscillation circuit and the negative end of the power supply of the driving circuit.
2. The wax control, scale control and corrosion protection system of claim 1, wherein: the coils are arranged into 3 groups which are sequentially connected in series from head to tail; each group of coils is formed by densely winding enamelled wires with the wire diameter of 1.5-2 mm on a framework by 1200-1800 turns.
3. The wax control, scale control and corrosion protection system of claim 1, wherein: the PLC is a PLC with a touch screen.
4. The wax control, scale control and corrosion protection system of claim 1, wherein: the oscillating circuit comprises an integrated circuit, a resistor, a capacitor, an adjustable resistor and an optical coupler, wherein one end of the first resistor is a frequency control end of the oscillating circuit, the other end of the first resistor is connected with a positive input end of the first optical coupler, a pin 1 of the integrated circuit is connected with a pin 2 of the integrated circuit, one output end of the first optical coupler and one end of the first capacitor, the other output end of the first optical coupler is connected with a pin 3 of the integrated circuit, a pin 5 of the integrated circuit, a pin 6 of the integrated circuit, one end of the second capacitor and one output end of the second optical coupler through the first adjustable resistor, the other end of the first capacitor is connected with a pin 4 of the integrated circuit, a pin 8 of the integrated circuit, a pin 9 of the integrated circuit and one end of the second adjustable resistor, the other end of the second adjustable resistor is connected with the other output end of the second optical coupler, and the other end of the second capacitor is connected with a pin, the positive input end of the second optical coupler is connected with one end of a second resistor, the other end of the second resistor is a duty ratio control end of the oscillating circuit, 14 pins of the integrated circuit are a power supply positive end of the oscillating circuit, and 7 pins of the integrated circuit are connected with a negative input end of the first optical coupler and a negative input end of the second optical coupler and are a power supply negative end of the oscillating circuit.
5. The wax control, scale control and corrosion protection system of claim 4, wherein: the type of the integrated circuit is CD 4011; the resistance values of the first resistor and the second resistor are 1-5.1K omega; the resistance values of the first adjustable resistor and the second adjustable resistor are 20-100K omega; the first optical coupler and the second optical coupler are photoresistance type optical couplers; the first capacitor has a capacity of 1-3 muF, and the second capacitor has a capacity of 560-1000 pF.
6. The wax control, scale control and corrosion protection system of claim 1, wherein: the input voltage of the power circuit is alternating current 220 or 380V, the first output end voltage of the power circuit is direct current 12V, the second output end voltage of the power circuit is direct current 160V, and the output power of the power circuit is larger than 1500W.
7. The wax control, scale control and corrosion protection system of claim 1, wherein: the driving circuit is an NPN type triode, the base electrode of the NPN type triode is connected with a driving resistor, the outer end of the driving resistor is the input end of the driving circuit, the collector of the NPN type triode is the positive electrode end of the power supply of the driving circuit, and the emitter of the NPN type triode is the output end of the driving circuit; the driving circuit consists of a transient suppression diode, a freewheeling diode, a release resistor and an IGBT (insulated gate bipolar transistor), wherein the transient suppression diode and the release resistor are connected between a gate pole of the IGBT and an emitter pole of the IGBT, a collector pole and an emitter pole of the IGBT are respectively connected with a negative pole and a positive pole of the freewheeling diode, the gate pole of the IGBT is an input end of the driving circuit, the collector pole of the IGBT is an output end of the driving circuit, and the emitter pole of the IGBT is a power supply negative end of the driving circuit; the resistance value of the push resistor is 1K omega; the resistance value of the release resistor is 5K omega; the model of the transient suppression diode is SMBJ15 CA; the NPN type triode is 8050; the rated current of the IGBT tube is more than or equal to 20A, and the withstand voltage is more than or equal to 1000V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920678379.XU CN209799927U (en) | 2019-05-14 | 2019-05-14 | Wax-proof antiscale anticorrosion system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920678379.XU CN209799927U (en) | 2019-05-14 | 2019-05-14 | Wax-proof antiscale anticorrosion system |
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| CN209799927U true CN209799927U (en) | 2019-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336344A (en) * | 2020-05-18 | 2020-06-26 | 东营同博石油电子仪器有限公司 | Crude oil production and transportation pipeline full-sweep frequency electromagnetic paraffin control scale and corrosion inhibition device |
-
2019
- 2019-05-14 CN CN201920678379.XU patent/CN209799927U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336344A (en) * | 2020-05-18 | 2020-06-26 | 东营同博石油电子仪器有限公司 | Crude oil production and transportation pipeline full-sweep frequency electromagnetic paraffin control scale and corrosion inhibition device |
| WO2021232884A1 (en) * | 2020-05-18 | 2021-11-25 | 东营同博石油电子仪器有限公司 | Full-frequency-sweeping electromagnetic wax-preventing scale-inhibiting corrosion-inhibiting apparatus for crude oil exploitation and transportation pipeline |
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