CN117781070A - Safety pipeline electromagnetic heating system with heat measuring device - Google Patents
Safety pipeline electromagnetic heating system with heat measuring device Download PDFInfo
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Abstract
The invention provides a safety pipeline electromagnetic heating system with a heat measuring device, which belongs to the technical field of heating of oil pipelines, and comprises an electromagnetic induction heater, the heat measuring device and a remote monitoring control system, wherein the electromagnetic induction heater is externally arranged on the oil pipeline; the heat measuring device is arranged on the oil pipeline and is used for monitoring the temperature of the oil pipeline; the remote monitoring control system is connected with the electromagnetic induction heater and the heat measuring device and comprises a flow and pressure data acquisition device in an oil pipeline, a data transmission device and a remote control terminal, wherein the remote control terminal is electrically connected with the data acquisition device and the data transmission device; the heating system can solve the problems of high operation cost, low heating efficiency, high energy consumption and difficult installation of the existing heating mode in the petroleum and natural gas industry.
Description
Technical Field
The invention belongs to the technical field of heating of oil pipelines, and particularly relates to a safety pipeline electromagnetic heating system with a heat measuring device.
Background
In cold areas and winter, crude oil may solidify during transportation due to temperature decrease, resulting in pipe blockage. In particular, water injection oil extraction is commonly adopted in oil fields in China, and the water content in a wellhead oil delivery pipeline is high, so that the delivery efficiency and the safety of crude oil are seriously affected. To ensure delivery of crude oil in cold areas, heating systems are required to maintain the temperature of the piping and equipment. Common heating methods in oil fields comprise steam heating, hot water circulation heating and electric heating rods, wherein steam heating is to heat water to generate steam, and then heat an oil pipe by utilizing the steam, so that special equipment such as a steam boiler is needed, and the cost is high; the hot water circulation heating is to arrange a hot water circulation system around the oil pipe, and heat the oil pipe by circulating hot water, so that the heating is uniform, but larger space and higher energy consumption are required; the heating of the electric heating rod is that the electric heating rod in the electric heater connected to the oil delivery pipeline directly heats crude oil, and the oil pipe is heated by the heat generated by current, so that the heating rod is simple and easy to operate, but the deformation and ageing of the oil pipe are easy to cause.
The existing pipeline heating mode has the disadvantages of high operation cost, low heating efficiency, high energy consumption, poor stability and large equipment investment.
Disclosure of Invention
In view of the above, the invention provides a safety pipeline electromagnetic heating system with a heat measuring device, which can solve the problems of high operation cost, low heating efficiency, complex installation, high energy consumption and poor stability of the traditional pipeline heating mode.
The invention is realized in the following way:
the invention provides a safety pipeline electromagnetic heating system with a heat measuring device, which comprises an electromagnetic induction heater, the heat measuring device and a remote monitoring control system, wherein the electromagnetic induction heater is externally arranged on an oil pipeline and used for stably heating the oil pipeline; the heat measuring device is arranged on the oil pipeline and is used for monitoring the temperature of the oil pipeline in real time; the remote monitoring control system is electrically connected with the electromagnetic induction heater and the heat measuring device and is used for controlling the output temperature of the electromagnetic induction heater and monitoring the temperature of the oil pipeline in real time;
the remote monitoring control system comprises a flow and pressure data acquisition device in an oil pipeline, a data transmission device and a remote control terminal, wherein the remote control terminal is electrically connected with the data acquisition device and the data transmission device;
The flow and pressure data acquisition device in the oil pipeline is arranged on the oil pipeline and is used for acquiring data of the oil pipeline in real time;
the data transmission device is used for transmitting the data acquired by the flow and pressure data acquisition device in the oil pipeline and the heat data acquired by the heat measurement device to a remote control terminal for processing;
the remote control terminal is used for analyzing and processing the data acquired by the flow and pressure data acquisition device in the oil pipeline and the heat data acquired by the heat measurement device and remotely controlling the electromagnetic induction heater according to the processing result.
The safety pipeline electromagnetic heating system with the heat measuring device has the following technical effects: by arranging the electromagnetic heating system of the pipeline, the average preheating time of the high-efficiency, energy-saving and rapid heating is shortened by 2/3 compared with that of a resistance ring (heat tracing belt) by adopting an internal heating mode, the heat efficiency is more than 95%, and the energy-saving effect can reach 40% -80%; in order to reduce the production cost and improve the product quality, the heating part adopts a special cable structure, does not generate heat by itself, can bear the temperature of more than 500 ℃, has the service life of more than 5 years, and basically does not need maintenance cost in the later stage; the working environment of the production site is greatly improved, the cost of the traditional heating equipment is reduced, and a more green, energy-saving, safe and comfortable production environment is created; the high-frequency alternating current is converted into a high-frequency alternating magnetic field, the magnetic field is converted into the high-frequency alternating current after being contacted with the metal pipeline, and the current is a heating mode for directly heating the heated equipment from the inside. The electric heating device fundamentally solves the problem of low efficiency of resistance type heating of the electric heating plate, the electric heating ring and the like in a heat conduction mode. The heating temperature can be precisely controlled by heating in an electromagnetic induction mode. The principle of electromagnetic induction heating is to change a magnetic field at a high frequency in a short time, so that a copper plate constituting an induction circuit can generate a short current, and when the current flows through the copper plate, the current instantaneously heats to heat a heating object to a desired temperature. Therefore, the heater can adjust the power and the heating time as required to precisely control the heating temperature and the heating time, thereby achieving the effect of energy saving.
Based on the technical scheme, the safety pipeline electromagnetic heating system with the heat measuring device can be further improved as follows:
the electromagnetic induction heater comprises a coil, a power supply, a controller and a cooling device, wherein the coil is formed by winding a wire to form a closed loop and is fixed in a patch, and the width of the patch is the same as the perimeter of the oil pipeline and is used for fixing the coil on the oil pipeline; the two ends of the coil are respectively connected with the positive electrode and the negative electrode of the power supply, and the power supply is used for supplying current to the coil; the power supply is connected with the controller, and the controller is used for controlling the magnitude, the heating time and the heating power of the current output by the power supply; the cooling device is also fixed on the oil pipeline and is used for driving the oil pipeline to quickly cool down through circulation of cooling water.
Further, the oil pipeline comprises two layers, wherein the inside is an oil pipe, the outside is an isolation layer, and the isolation layer is fixed on the outer side of the oil pipe; the oil pipe is made of electromagnetic heating metal material, and the isolating layer is made of electric insulation and heat-resistant heat-insulating material;
The outermost layer of the coil is provided with a magnetic loop medium which is used for improving the working efficiency of the coil; the magnetic circuit medium is a laminated structure body made of one of iron, cobalt and nickel, and is fixedly connected with the outermost side of the coil to form a magnetic circuit with the isolating layer.
Further, the power supply is grid valley electricity alternating current, and the power supply regulates the alternating current through a stepless voltage regulator; the stepless voltage regulator comprises an input end, a voltage regulator body, an output end, a PID controller and a fixing piece; the fixing piece is of a square structure, an insulating layer is arranged outside the fixing piece, the voltage regulator and the PID controller are arranged inside the fixing piece, and the PID controller is electrically connected with the voltage regulator and used for regulating the output voltage of the voltage regulator and guaranteeing the stability of the output voltage; the input end and the output end are respectively arranged at the outer side of the fixing piece and are connected with the voltage regulator through wires; the input end is connected with the generator, the output ends are two, and the two output ends are respectively connected with two sides of the coil to form a closed loop.
Further, the power supply is solar photovoltaic direct current, and the power supply supplies power to the coil through the storage battery; the storage battery is connected with the solar power generation device through a wire, and the solar power generation device is used for supplying power to the storage battery.
The heat measuring device comprises a thermocouple, a thermal resistor, a wire and a comparator, wherein the thermocouple and the thermal resistor are fixed on the outer wall of the oil pipeline and are connected through the wire to form a closed loop, so that the temperature of the oil pipeline is monitored in real time; the circuit formed by the thermocouple and the thermal resistor through the lead is provided with the comparator, and the comparator is electrically connected with the thermocouple and the thermal resistor and is used for comparing the thermoelectric potential and the resistance value of the thermocouple and the thermal resistor and accurately measuring the temperature on the outer wall of the oil pipeline;
the thermocouple comprises a thermocouple head, a thermocouple joint, a thermocouple compensator and a thermocouple insulating layer, wherein the thermocouple head is fixed on the outer wall of the oil pipeline, one end of the thermocouple joint is connected with the thermocouple head, the other end of the thermocouple joint is connected with the data transmission device, and the data transmission device is used for transmitting the temperature measured by the thermocouple head to the remote monitoring control system; the thermocouple compensator is arranged between the thermocouple head and the thermocouple joint and is used for compensating temperature deviation generated when the thermocouple monitors the oil pipeline; the thermocouple head, the thermocouple connector and the thermocouple compensator are fixed on the oil pipeline through the thermocouple insulating layer and used for ensuring that thermocouple signals are not influenced by external environment in the transmission process.
Further, the cooling device comprises a spiral condensing pipe, the spiral condensing pipe is fixed on the oil pipeline, and two ends of the spiral condensing pipe are respectively connected with condensed water and used for cooling the oil pipeline by introducing the condensed water in real time; the condensed water is industrial cooling water and reclaimed water.
Further, the flow and pressure data acquisition device in the oil pipeline comprises a pressure transmitter, a flowmeter and a vibration sensor, wherein the pressure transmitter is used for monitoring pressure data in the oil pipeline, the flowmeter is used for monitoring flow data in the oil pipeline, the vibration sensor is used for monitoring vibration generated in the oil pipeline oil transportation process, and the data acquisition device also comprises a data acquisition device which is used for acquiring and transmitting data monitored by the heat measurement device, the pressure transmitter, the flowmeter and the vibration sensor to the data transmission device;
as the application scene is mostly in oil fields and petrochemical enterprises, the electromagnetic heating system adopts an explosion-proof design.
The data transmission device is an analog modulation circuit and a carrier transmission system, and the analog modulation circuit is used for further processing data acquired by the flow and pressure data acquisition device in the oil pipeline and data signals monitored by the heat data acquired by the heat measurement device, and superposing the data signals on a carrier for long-distance transmission; the carrier transmission system is used for carrying out remote transmission on the modulated carrier through the 4G network and the 5G network.
The analog modulation circuit comprises a bias power supply, a modulation signal source, a single-pole double-throw analog switch ASW1, a single-pole double-throw analog switch ASW2 and a laser constant current driving circuit, wherein a normally closed contact of the single-pole double-throw analog switch ASW1 and a normally open contact of the single-pole double-throw analog switch ASW2 are electrically connected with an output end of the bias power supply, and a public end of the single-pole double-throw analog switch ASW1 and a public end of the single-pole double-throw analog switch ASW2 are electrically connected with an input end of the laser constant current driving circuit;
the circuit also comprises a delay double-output circuit, wherein the output end of the delay double-output circuit is electrically connected with the output end of the 50Hz trap circuit, the direct output end of the delay double-output circuit is electrically connected with the control end of the single-pole double-throw analog switch ASW1, and the delay output end of the delay double-output circuit is electrically connected with the control end of the single-pole double-throw analog switch ASW 2;
the delay double-output circuit comprises a first logic circuit with an inversion function and a second logic circuit with an inversion function, wherein the input end of the first logic circuit is electrically connected with the electrocardio detection chip, the output end of the first logic circuit is electrically connected with the input end of the second logic circuit, the output end of the second logic circuit is electrically connected with the control end of the single-pole double-throw analog switch ASW2, and the output end of the first logic circuit is also electrically connected with the control end of the single-pole double-throw analog switch ASW 1.
The second logic circuit is formed by connecting five logic circuit elements in series at most, the public end of the single-pole double-throw analog switch ASW2 is electrically connected with the public end of the single-pole double-throw analog switch ASW1 through a resistor R1, the working power supply and the bias power supply of the single-pole double-throw analog switch ASW2 are both capacitance retaining circuits with capacitance values of 0.1 mu f, the modulation frequencies of the working power supply and the bias power supply are 1MHz, the value range of the resistor R1 is 47-200Ω, and the resistor R1 is a variable resistor;
the first logic circuit is an inverter U1-1, the second logic circuit is an inverter group formed by connecting an odd number of inverters in series, the output end of the inverter group is electrically connected with the control end of the single-pole double-throw analog switch ASW2, the input end of the inverter group is electrically connected with the output end of the inverter U1-1, the input end of the inverter U1-1 is electrically connected with the modulation signal source, and the output end of the inverter U1-1 is also electrically connected with the control end of the single-pole double-throw analog switch ASW 1.
The carrier transmission system comprises a scrambling unit, an FEC unit, a PN sequence generating unit, a Walsh code generating unit, a logic coupling unit, a multiplexer, a modulating unit and a radio frequency converter,
The scrambling unit is used for scrambling carrier data to be transmitted;
the FEC unit is used for performing forward error correction on the carrier data after scrambling from the scrambling unit to form encoded carrier data;
the PN sequence generating unit is used for generating PN sequences;
the Walsh code generation unit is used for generating Walsh codes corresponding to identification information, wherein the identification information is used for enabling a receiving end to quickly and easily decode received signals;
the logic coupling unit is used for logically coupling the WalSh code and the PN sequence generated by the Walsh code generating unit;
the multiplexer is used for performing multiplexing by inserting the signal and tail code element coupled by the logic coupling unit into the encoded carrier data;
the modulating unit is used for modulating the multiplexed carrier wave;
the radio frequency converter is configured to perform radio frequency conversion on the modulated carrier from the modulation unit.
Further, the remote control terminal comprises a data receiving unit and a data processing and analyzing unit, wherein the data receiving unit is used for receiving the data transmitted by the data transmitting unit; the data processing and analyzing unit is used for analyzing and processing the data received by the data receiving unit;
The data processing and analyzing unit comprises a processor and a storage, wherein the storage stores program instructions, and the processor is used for realizing the following steps when executing the program instructions:
and (3) data processing: preprocessing the data received by the data receiving unit;
and (3) data integration: integrating the processed data into the same file;
and (3) data analysis: comparing the integrated data with normal data, and sending early warning information in time when a problem is found;
and (3) remote control: and immediately after the problem is found, the controller for remotely controlling the electromagnetic induction heater cuts off the current of the power supply.
The data receiving unit comprises a low-frequency carrier configuration module, a carrier waveform acquisition and filtering processing module and an analysis and storage data module, wherein the low-frequency carrier configuration module is used for initializing a low-frequency receiving register and configuring a carrier mode; the carrier wave waveform acquisition and filtering processing module is used for receiving a carrier wave signal and simultaneously filtering to restore an original waveform; the analysis and storage data module is used for analyzing the original waveform into corresponding data and storing the corresponding data;
when the carrier wave waveform acquisition and filtering processing module filters, the filtering width meets the following conditions: w2 < = Wb < = 2/3 x W1,
W1 is a minimum width of a preset actual reception waveform, W2 is a preset maximum clutter width allowed, and Wb is a basic filter width determined between the maximum clutter width allowed W2 and the minimum width W1 of the actual reception waveform.
The carrier mode configured by the low-frequency carrier configuration module comprises any one of a carrier receiving mode, a carrier and message alternate detection mode and a message mode.
The analysis and storage data module is used for analyzing the original waveform into specific data according to the corresponding relation between the pulse width and the data and storing the specific data.
Further, the specific step of preprocessing the data received by the data receiving unit includes:
firstly, after the data receiving unit receives data, an operator performs data verification to ensure the integrity, consistency and accuracy of the data;
step two, the operator performs data conversion to convert the data into a data format meeting the requirements;
thirdly, performing data processing by operators, including data cleaning, duplication removal and redundancy removal;
fourth, operators perform data fusion, and integrate data from different sources to form a unified data set;
the specific steps of integrating the data from different sources by the operator to form a unified data set include:
The method comprises the steps that firstly, an operator determines the target of an integrated data set, wherein the target comprises a unified data format and a data type;
secondly, the operator uses time as quantification, and a plurality of groups of data are corresponding;
thirdly, integrating the data by an operator through weighted average, and forming a corresponding table for storage;
and fourthly, selecting a proper chart type by an operator according to the characteristics and purposes of the integrated data, and drawing by using corresponding software.
Compared with the prior art, the safety pipeline electromagnetic heating system with the heat measuring device has the beneficial effects that: by arranging the electromagnetic heating system of the pipeline, the average preheating time of the high-efficiency, energy-saving and rapid heating is shortened by 2/3 compared with that of a resistance ring (heat tracing belt) by adopting an internal heating mode, the heat efficiency is more than 95%, and the energy-saving effect can reach 40% -80%; in order to reduce the production cost and improve the product quality, the heating part adopts a special cable structure, does not generate heat by itself, can bear the temperature of more than 500 ℃, has the service life of more than 5 years, and basically does not need maintenance cost in the later stage; the working environment of the production site is greatly improved, the cost of the traditional heating equipment is reduced, and a more green, energy-saving, safe and comfortable production environment is created; the high-frequency alternating current is converted into a high-frequency alternating magnetic field, the magnetic field is converted into the high-frequency alternating current after being contacted with the metal pipeline, and the current is a heating mode for directly heating the heated equipment from the inside. The electric heating device fundamentally solves the problem of low efficiency of resistance type heating of the electric heating plate, the electric heating ring and the like in a heat conduction mode. The heating temperature can be precisely controlled by heating in an electromagnetic induction mode. The principle of electromagnetic induction heating is that the magnetic field is changed at high frequency in a short time, so that a copper plate forming an induction circuit can generate short current, the current instantaneously heats when flowing through the copper plate, a heating object is heated to a required temperature, and the heater can adjust power and heating time according to the requirement so as to accurately control the heating temperature and time, thereby achieving the effect of energy conservation; through setting up the paster type structure, can realize quick installation, satisfy the requirement that does not need to shut down and move the fire.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an electromagnetic induction heater;
FIG. 2 is a cross-sectional view of an oil delivery pipeline;
FIG. 3 is a schematic diagram of the structure of the patch and the internal coil;
fig. 4 is a schematic structural view of a second embodiment of an electromagnetic induction heater;
in the drawings, the list of components represented by the various numbers is as follows:
10. a coil; 11. a patch; 20. a power supply; 30. a controller; 40. a heat measuring device; 50. a remote monitoring control system; 60. an oil pipe; 70. an isolation layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
1-3, a first embodiment of an electromagnetic heating system for a safety pipeline with a heat measuring device is provided, in this embodiment, the electromagnetic heating system comprises an electromagnetic induction heater, a heat measuring device 40 and a remote monitoring control system 50, wherein the electromagnetic induction heater is externally applied on an oil pipeline for stably heating the oil pipeline; the heat measuring device 40 is arranged on the oil pipeline and is used for monitoring the temperature of the oil pipeline in real time; the remote monitoring control system 50 is electrically connected with the electromagnetic induction heater and the heat measuring device 40, and is used for controlling the output temperature of the electromagnetic induction heater and monitoring the temperature of the oil pipeline in real time;
The remote monitoring control system 50 comprises a flow and pressure data acquisition device, a data transmission device and a remote control terminal in the oil pipeline, wherein the remote control terminal is electrically connected with the data acquisition device and the data transmission device;
the flow and pressure data acquisition device in the oil pipeline is arranged on the oil pipeline and is used for acquiring data of the oil pipeline in real time;
the data transmission device is used for transmitting the data acquired by the flow and pressure data acquisition device in the oil pipeline and the heat data acquired by the heat measurement device 40 to the remote control terminal for processing;
the remote control terminal is used for analyzing and processing the data acquired by the flow and pressure data acquisition device in the oil pipeline and the heat data acquired by the heat measurement device 40 and remotely controlling the electromagnetic induction heater according to the processing result.
In the above technical solution, the electromagnetic induction heater includes a coil 10, a power supply 20, a controller 30 and a cooling device, where the coil 10 is wound by a wire to form a closed loop, and is fixed inside a patch 11, and the width of the patch 11 and the perimeter of an oil pipeline are designed to fix the coil 10 on the oil pipeline, and one or several electromagnetic coil patches may be adopted; the two ends of the coil 10 are respectively connected with the positive electrode and the negative electrode of the power supply 20, and the power supply 20 is used for supplying current to the coil 10; the power supply 20 is connected with the controller 30, and the controller 30 is used for controlling the magnitude, the heating time and the heating power of the current output by the power supply 20; the cooling device is also fixed on the oil pipeline and is used for driving the oil pipeline to quickly cool down through the circulation of cooling water.
Further, in the above technical solution, the oil pipeline includes two layers, the inside is the oil pipe 60, the outside is the isolation layer 70, and the isolation layer 70 is fixed on the outside of the oil pipe 60; the oil pipe 60 is made of electromagnetic heating metal material, and the isolation layer 70 is made of electric insulation and heat-resistant heat-insulating materials;
the outermost layer of the coil 10 is provided with a magnetic loop medium for improving the working efficiency of the coil 10; the magnetic circuit medium is a laminated structure body made of one of iron, cobalt and nickel, and is fixedly connected with the outermost side of the coil 10 to form a magnetic circuit with the isolation layer (70).
Further, in the above technical solution, the power supply 20 is a grid valley ac power, and the power supply 20 regulates the ac power through a stepless voltage regulator; the stepless voltage regulator comprises an input end, a voltage regulator body, an output end, a PID controller and a fixing piece; the fixing piece is of a square structure, an insulating layer is arranged outside the fixing piece, the voltage regulator and the PID controller are arranged inside the fixing piece, and the PID controller is electrically connected with the voltage regulator and used for regulating the output voltage of the voltage regulator and guaranteeing the stability of the output voltage; the input end and the output end are respectively arranged at the outer side of the fixing piece and are connected with the voltage regulator through wires; the input end is connected with the generator, and the output end is two, is connected with the both sides of coil 10 respectively and forms closed loop.
As shown in fig. 4, in a second embodiment of the electromagnetic heating system with a heat measuring device for a safety pipeline provided by the present invention, in this embodiment, the power supply 20 is a solar photovoltaic dc power, and the power supply 20 supplies power to the coil 10 through the storage battery; the storage battery is connected with the solar power generation device through a wire, and the solar power generation device is used for supplying power to the storage battery.
Further, in the above technical scheme, the heat measuring device 40 comprises a thermocouple, a thermal resistor, a wire and a comparator, wherein the thermocouple and the thermal resistor are both fixed on the outer wall of the oil pipeline and are connected through the wire to form a closed loop, so that the temperature of the oil pipeline is monitored in real time; a comparator is arranged on a loop formed by the thermocouple and the thermal resistor through a wire, and the comparator is electrically connected with the thermocouple and the thermal resistor and is used for comparing the thermoelectric potential and the resistance value of the thermocouple and the thermal resistor and accurately measuring the temperature on the outer wall of the oil pipeline;
the thermocouple comprises a thermocouple head, a thermocouple joint, a thermocouple compensator and a thermocouple insulating layer, wherein the thermocouple head is fixed on the outer wall of the oil pipeline, one end of the thermocouple joint is connected with the thermocouple head, the other end of the thermocouple joint is connected with a data transmission device, and the data transmission device is used for transmitting the temperature measured by the thermocouple head to a remote monitoring control system 50; a thermocouple compensator is arranged between the thermocouple head and the thermocouple joint and is used for compensating temperature deviation generated when the thermocouple monitors the oil pipeline; the thermocouple head, the thermocouple connector and the thermocouple compensator are fixed on the oil pipeline through the thermocouple insulating layer and used for ensuring that thermocouple signals are not influenced by external environment in the transmission process.
When in use, the controller 30 controls the power supply 20 to electrify the coil 10, and a closed loop is formed in the coil 10 to heat the oil pipeline; the thermocouple, the thermal resistor, the pressure transmitter, the flowmeter and the vibration sensor monitor the condition of the oil pipeline in real time and transmit data to a remote control terminal.
Furthermore, in the technical scheme, the cooling device comprises a spiral condensing pipe, wherein the spiral condensing pipe is fixed on the oil pipeline, and two ends of the spiral condensing pipe are respectively connected with condensed water and used for cooling the oil pipeline by introducing the condensed water in real time; the condensed water is industrial cooling water and reclaimed water.
Further, in the above technical scheme, the flow and pressure data acquisition device in the oil pipeline comprises a pressure transmitter, a flowmeter and a vibration sensor, wherein the pressure transmitter is used for monitoring pressure data in the oil pipeline, the flowmeter is used for monitoring flow data in the oil pipeline, the vibration sensor is used for monitoring vibration generated in the oil pipeline oil transportation process, the data acquisition device also comprises a data acquisition device, and the data acquisition device is used for acquiring and transmitting data monitored by the heat measurement device 40, the pressure transmitter, the flowmeter and the vibration sensor to the data transmission device;
The data transmission device is an analog modulation circuit and a carrier transmission system, the analog modulation circuit is used for further processing data acquired by the flow and pressure data acquisition device in the oil pipeline and data signals monitored by the heat data acquired by the heat measurement device 40, and the data signals are superimposed on a carrier for long-distance transmission; the carrier transmission system is used for carrying out long-distance transmission on the modulated carrier.
The analog modulation circuit comprises a bias power supply, a modulation signal source, a single-pole double-throw analog switch ASW1, a single-pole double-throw analog switch ASW2 and a laser constant current driving circuit, wherein a normally closed contact of the single-pole double-throw analog switch ASW1 and a normally open contact of the single-pole double-throw analog switch ASW2 are electrically connected with an output end of the bias power supply, and a public end of the single-pole double-throw analog switch ASW1 and a public end of the single-pole double-throw analog switch ASW2 are electrically connected with an input end of the laser constant current driving circuit;
the circuit also comprises a delay double-output circuit, wherein the output end of the delay double-output circuit is electrically connected with the output end of the 50Hz trap circuit, the direct output end of the delay double-output circuit is electrically connected with the control end of the single-pole double-throw analog switch ASW1, and the delay output end of the delay double-output circuit is electrically connected with the control end of the single-pole double-throw analog switch ASW 2;
The delay double-output circuit comprises a first logic circuit with an inversion function and a second logic circuit with an inversion function, wherein the input end of the first logic circuit is electrically connected with the electrocardio detection chip, the output end of the first logic circuit is electrically connected with the input end of the second logic circuit, the output end of the second logic circuit is electrically connected with the control end of the single-pole double-throw analog switch ASW2, and the output end of the first logic circuit is also electrically connected with the control end of the single-pole double-throw analog switch ASW 1.
The second logic circuit is formed by connecting five logic circuit elements in series at most, the public end of the single-pole double-throw analog switch ASW2 is electrically connected with the public end of the single-pole double-throw analog switch ASW1 through a resistor R1, the working power supply and the bias power supply of the single-pole double-throw analog switch ASW2 are both capacitance retaining circuits with capacitance values of 0.1 mu f, the modulation frequency of the working power supply and the bias power supply is 1MHz, the value range of the resistor R1 is 47-200Ω, and the resistor R1 is a variable resistor;
the first logic circuit is an inverter U1-1, the second logic circuit is an inverter group formed by connecting an odd number of inverters in series, the output end of the inverter group is electrically connected with the control end of the single-pole double-throw analog switch ASW2, the input end of the inverter group is electrically connected with the output end of the inverter U1-1, the input end of the inverter U1-1 is electrically connected with a modulation signal source, and the output end of the inverter U1-1 is also electrically connected with the control end of the single-pole double-throw analog switch ASW 1.
The carrier transmission system comprises a scrambling unit, an FEC unit, a PN sequence generating unit, a Walsh code generating unit, a logic coupling unit, a multiplexer, a modulating unit and a radio frequency converter,
a scrambling unit for scrambling carrier data to be transmitted;
an FEC unit for performing forward error correction on the scrambled carrier data from the scrambling unit to form encoded carrier data;
a PN sequence generating unit for generating PN sequence;
a Walsh code generation unit for generating a Walsh code corresponding to identification information for enabling a receiving end to quickly and easily decode a received signal;
a logic coupling unit for logically coupling the WalSh code and PN sequence generated by the Walsh code generation unit;
a multiplexer for performing multiplexing by inserting the signal coupled by the logic coupling unit and the tail symbol into the encoded carrier data;
a modulating unit for modulating the multiplexed carrier wave;
and a radio frequency converter for performing radio frequency conversion on the modulated carrier wave from the modulation unit.
Further, in the above technical solution, the remote control terminal includes a data receiving unit, a data processing and analyzing unit, where the data receiving unit is configured to receive the data transmitted by the data transmitting unit; the data processing and analyzing unit is used for analyzing and processing the data received by the data receiving unit;
The data processing and analyzing unit comprises a processor and a storage, wherein the storage stores program instructions, and the processor is used for realizing the following steps when executing the program instructions:
and (3) data processing: preprocessing the data received by the data receiving unit;
and (3) data integration: integrating the processed data into the same file;
and (3) data analysis: comparing the integrated data with normal data, and sending early warning information in time when a problem is found;
and (3) remote control: immediately after the problem is found, the controller 30 for remotely controlling the electromagnetic induction heater turns off the current of the power supply 20.
The data receiving unit comprises a low-frequency carrier configuration module, a carrier waveform acquisition and filtering processing module and an analysis and storage data module, wherein the low-frequency carrier configuration module is used for initializing a low-frequency receiving register and configuring a carrier mode; the carrier wave waveform acquisition and filtering processing module is used for receiving the carrier wave signal and simultaneously filtering to restore the original waveform; the analysis and storage data module is used for analyzing the original waveform into corresponding data and storing the corresponding data;
when the carrier wave waveform acquisition and filtering processing module filters, the filtering width meets the following conditions: w2 is less than or equal to Wb is less than or equal to 2/3 times W1,
W1 is a minimum width of a preset actual reception waveform, W2 is a preset maximum clutter width allowed, and Wb is a basic filter width determined between the maximum clutter width allowed W2 and the minimum width W1 of the actual reception waveform.
The carrier mode configured by the low-frequency carrier configuration module comprises any one of a carrier receiving mode, a carrier and message alternating detection mode and a message mode.
The analysis and storage data module is used for analyzing the original waveform into specific data according to the corresponding relation between the pulse width and the data and storing the specific data.
Further, in the above technical solution, the specific step of preprocessing the data received by the data receiving unit includes:
firstly, after the data receiving unit receives data, an operator performs data verification to ensure the integrity, consistency and accuracy of the data;
step two, the operator performs data conversion to convert the data into a data format meeting the requirements;
thirdly, performing data processing by operators, including data cleaning, duplication removal and redundancy removal;
fourth, operators perform data fusion, and integrate data from different sources to form a unified data set;
the specific steps of integrating data from different sources by operators to form a unified data set include:
The method comprises the steps that firstly, an operator determines the target of an integrated data set, wherein the target comprises a unified data format and a data type;
secondly, the operator uses time as quantification, and a plurality of groups of data are corresponding;
thirdly, integrating the data by an operator through weighted average, and forming a corresponding table for storage;
and fourthly, selecting a proper chart type by an operator according to the characteristics and purposes of the integrated data, and drawing by using corresponding software.
When in use, the controller 30 controls the power supply 20 to electrify the coil 10, and a closed loop is formed in the coil 10 to heat the oil pipeline; the thermocouple, the thermal resistor, the pressure transmitter, the flowmeter and the vibration sensor monitor the condition of the oil pipeline in real time and transmit data to the remote control terminal, and after the remote control terminal receives the data, an operator performs data verification to ensure the integrity, the consistency and the accuracy of the data; converting the data into a data format meeting the requirements; performing data processing, including data cleaning, de-duplication and redundancy; determining the target of the integrated data set, wherein the target comprises a unified data format and a data type; taking time as a ration, and corresponding a plurality of groups of data; integrating the data through weighted average, and forming a corresponding table for storage; selecting a proper chart type according to the characteristics and purposes of the integrated data, and drawing by using corresponding software; comparing the integrated data with normal data, and sending early warning information in time when a problem is found; immediately after the problem is found, the controller 30 for remotely controlling the electromagnetic induction heater turns off the current of the power supply 20.
Using scene one: the electromagnetic heating system is externally arranged on an oil pipeline, a water pipeline and a gas pipeline for safe heating;
use scenario two: the electromagnetic heating system is externally arranged on a storage tank or other equipment needing heating for safe heating;
specifically, the principle of the invention is as follows: the controller 30 controls the power supply 20 to energize the coil 10, forms a closed loop in the coil 10, and heats the oil pipeline; the thermocouple, the thermal resistor, the pressure transmitter, the flowmeter and the vibration sensor monitor the condition of the oil pipeline in real time and transmit data to the remote control terminal, and after the remote control terminal receives the data, an operator performs data verification to ensure the integrity, the consistency and the accuracy of the data; converting the data into a data format meeting the requirements; performing data processing, including data cleaning, de-duplication and redundancy; determining the target of the integrated data set, wherein the target comprises a unified data format and a data type; taking time as a ration, and corresponding a plurality of groups of data; integrating the data through weighted average, and forming a corresponding table for storage; selecting a proper chart type according to the characteristics and purposes of the integrated data, and drawing by using corresponding software; comparing the integrated data with normal data, and sending early warning information in time when a problem is found; the controller 30 for remotely controlling the electromagnetic induction heater immediately after the problem is found turns off the current of the power supply 20.
Claims (10)
1. The electromagnetic heating system with the heat measuring device for the safety pipeline is characterized by comprising an electromagnetic induction heater, the heat measuring device (40) and a remote monitoring control system (50), wherein the electromagnetic induction heater is externally arranged on the oil pipeline and used for stably heating the oil pipeline; the heat measuring device (40) is arranged on the oil pipeline and is used for monitoring the temperature of the oil pipeline in real time; the remote monitoring control system (50) is electrically connected with the electromagnetic induction heater and the heat measuring device (40) and is used for controlling the output temperature of the electromagnetic induction heater and monitoring the temperature of the oil pipeline in real time;
the remote monitoring control system (50) comprises a flow and pressure data acquisition device, a data transmission device and a remote control terminal in an oil pipeline, wherein the remote control terminal is electrically connected with the data acquisition device and the data transmission device;
the flow and pressure data acquisition device in the oil pipeline is arranged on the oil pipeline and is used for acquiring data of the oil pipeline in real time;
the data transmission device is used for transmitting the data acquired by the flow and pressure data acquisition device in the oil pipeline and the heat data acquired by the heat measurement device (40) to a remote control terminal for processing;
The remote control terminal is used for analyzing and processing the data acquired by the flow and pressure data acquisition device in the oil pipeline and the heat data acquired by the heat measurement device (40) and remotely controlling the electromagnetic induction heater according to the processing result.
2. The electromagnetic heating system with a safety pipeline according to claim 1, characterized in that the electromagnetic induction heater comprises a coil (10), a power source (20), a controller (30) and a cooling device, wherein the coil (10) is wound by a wire to form a closed loop and is fixed inside a patch (11), and the width of the patch (11) is the same as the circumference of the oil pipeline for fixing the coil (10) on the oil pipeline; both ends of the coil (10) are respectively connected with the positive electrode and the negative electrode of the power supply (20), and the power supply (20) is used for introducing current into the coil (10); the power supply (20) is connected with the controller (30), and the controller (30) is used for controlling the magnitude, the heating time and the heating power of the current output by the power supply (20); the cooling device is also fixed on the oil pipeline and is used for driving the oil pipeline to quickly cool down through circulation of cooling water.
3. The electromagnetic heating system with the heat measuring device for the safety pipeline according to claim 2, wherein the oil pipeline comprises two layers, an oil pipe (60) is arranged on the inner side, an isolation layer (70) is arranged on the outer side, and the isolation layer (70) is fixed on the outer side of the oil pipe (60); the oil pipe (60) is made of electromagnetic heating metal material, and the isolating layer (70) is made of electric insulation and heat-resistant heat-insulating material;
the outermost layer of the coil (10) is provided with a magnetic loop medium which is used for improving the working efficiency of the coil (10); the magnetic circuit medium is a laminated structure body made of one of iron, cobalt and nickel, and is fixedly connected with the outermost side of the coil (10) to form a magnetic circuit with the isolating layer (70).
4. A safety line electromagnetic heating system with a heat measuring device according to claim 3, characterized in that the power supply (20) is a mains valley ac, the power supply (20) regulating the ac through a stepless voltage regulator; the stepless voltage regulator comprises an input end, a voltage regulator body, an output end, a PID controller and a fixing piece; the fixing piece is of a square structure, an insulating layer is arranged outside the fixing piece, the voltage regulator and the PID controller are arranged inside the fixing piece, and the PID controller is electrically connected with the voltage regulator and used for regulating the output voltage of the voltage regulator and guaranteeing the stability of the output voltage; the input end and the output end are respectively arranged at the outer side of the fixing piece and are connected with the voltage regulator through wires; the input end is connected with the generator, the number of the output ends is two, and the two output ends are respectively connected with two sides of the coil (10) to form a closed loop.
5. The electromagnetic heating system of a safety line with a heat measuring device according to claim 4, characterized in that the power source (20) is a solar photovoltaic direct current, the power source (20) supplying the coil (10) with electricity through a battery; the storage battery is connected with the solar power generation device through a wire, and the solar power generation device is used for supplying power to the storage battery.
6. The electromagnetic heating system with the heat measuring device for the safety pipeline according to claim 5, wherein the heat measuring device (40) comprises a thermocouple, a thermal resistor, a wire and a comparator, wherein the thermocouple and the thermal resistor are fixed on the outer wall of the oil pipeline and are connected through the wire to form a closed loop, so that the temperature of the oil pipeline is monitored in real time; the circuit formed by the thermocouple and the thermal resistor through the lead is provided with the comparator, and the comparator is electrically connected with the thermocouple and the thermal resistor and is used for comparing the thermoelectric potential and the resistance value of the thermocouple and the thermal resistor and accurately measuring the temperature on the outer wall of the oil pipeline;
The thermocouple comprises a thermocouple head, a thermocouple joint, a thermocouple compensator and a thermocouple insulating layer, wherein the thermocouple head is fixed on the outer wall of the oil pipeline, one end of the thermocouple joint is connected with the thermocouple head, the other end of the thermocouple joint is connected with the data transmission device, and the data transmission device is used for transmitting the temperature measured by the thermocouple head to the remote monitoring control system (50); the thermocouple compensator is arranged between the thermocouple head and the thermocouple joint and is used for compensating temperature deviation generated when the thermocouple monitors the oil pipeline; the thermocouple head, the thermocouple connector and the thermocouple compensator are fixed on the oil pipeline through the thermocouple insulating layer and used for ensuring that thermocouple signals are not influenced by external environment in the transmission process.
7. The electromagnetic heating system with the heat measuring device for the safety pipeline according to claim 6, wherein the cooling device comprises a spiral condensing pipe, the spiral condensing pipe is fixed on the oil pipeline, and two ends of the spiral condensing pipe are respectively connected with condensed water and used for cooling the oil pipeline by introducing the condensed water in real time; the condensed water is industrial cooling water and reclaimed water.
8. The electromagnetic heating system with the heat measuring device for the safety pipeline according to claim 7, wherein the flow and pressure data acquisition device in the oil pipeline comprises a pressure transmitter, a flowmeter and a vibration sensor, the pressure transmitter is used for monitoring pressure data in the oil pipeline, the flowmeter is used for monitoring flow data in the oil pipeline, the vibration sensor is used for monitoring vibration generated in the oil pipeline oil transportation process, and the data acquisition device further comprises a data acquisition device which is used for acquiring and transmitting data monitored by the heat measuring device (40), the pressure transmitter, the flowmeter and the vibration sensor into a data transmission device;
the data transmission device is an analog modulation circuit and a carrier transmission system, and the analog modulation circuit is used for further processing data acquired by the flow and pressure data acquisition device in the oil pipeline and data signals monitored by the heat data acquired by the heat measurement device (40), and superposing the data signals on a carrier for long-distance transmission; the carrier transmission system is used for carrying out long-distance transmission on the modulated carrier.
9. The electromagnetic heating system with the heat measuring device for the safety pipeline according to claim 8, wherein the remote control terminal comprises a data receiving unit and a data processing and analyzing unit, and the data receiving unit is used for receiving the data transmitted by the data transmitting unit; the data processing and analyzing unit is used for analyzing and processing the data received by the data receiving unit;
the data processing and analyzing unit comprises a processor and a storage, wherein the storage stores program instructions, and the processor is used for realizing the following steps when executing the program instructions:
and (3) data processing: preprocessing the data received by the data receiving unit;
and (3) data integration: integrating the processed data into the same file;
and (3) data analysis: comparing the integrated data with normal data, and sending early warning information in time when a problem is found;
and (3) remote control: a controller (30) for remotely controlling the electromagnetic induction heater immediately after a problem is found turns off the current of the power supply (20).
10. The electromagnetic heating system for a safety line with a heat measuring device according to claim 9, wherein the specific step of preprocessing the data received by the data receiving unit comprises:
Firstly, after the data receiving unit receives data, an operator performs data verification to ensure the integrity, consistency and accuracy of the data;
step two, the operator performs data conversion to convert the data into a data format meeting the requirements;
thirdly, performing data processing by operators, including data cleaning, duplication removal and redundancy removal;
fourth, operators perform data fusion, and integrate data from different sources to form a unified data set;
the specific steps of integrating the data from different sources by the operator to form a unified data set include:
the method comprises the steps that firstly, an operator determines the target of an integrated data set, wherein the target comprises a unified data format and a data type;
secondly, the operator uses time as quantification, and a plurality of groups of data are corresponding;
thirdly, integrating the data by an operator through weighted average, and forming a corresponding table for storage;
and fourthly, selecting a proper chart type by an operator according to the characteristics and purposes of the integrated data, and drawing by using corresponding software.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1807964A (en) * | 2006-02-17 | 2006-07-26 | 中国石油大学(北京) | Petroleum heating device |
| CN201393313Y (en) * | 2009-04-20 | 2010-01-27 | 中国石油天然气管道局 | Breakpoint-less soft tape type electromagnetic induction heater |
| CN101929737A (en) * | 2009-08-13 | 2010-12-29 | 青岛福润德自动化技术有限公司 | Electromagnetic heating precise temperature control system |
| CN103202096A (en) * | 2010-11-09 | 2013-07-10 | 国际壳牌研究有限公司 | Induction heater system for electrically heated pipelines |
| KR101439989B1 (en) * | 2013-12-30 | 2014-09-12 | 주식회사 티에스시 | Pipe Heater and EMF Shielding Apparatus therefor |
| CN205154104U (en) * | 2015-12-03 | 2016-04-13 | 赵吉安 | Well site is high frequency electric magnetism induction heating system for crude oil storage tank |
| CN107883107A (en) * | 2017-12-24 | 2018-04-06 | 盐城衍易科技有限公司 | oil temperature control pipeline |
| CN109936884A (en) * | 2017-12-18 | 2019-06-25 | 特贝国际 | PFA pipe heater with flexible heating device |
| CN111601410A (en) * | 2020-05-26 | 2020-08-28 | 盘锦志达实业有限公司 | Electromagnetic heating device |
| CN216344616U (en) * | 2021-10-27 | 2022-04-19 | 陕西延长石油（集团）有限责任公司 | Natural gas pipeline electromagnetic induction heating device utilizing skin effect |
| JP2023002984A (en) * | 2021-06-23 | 2023-01-11 | 株式会社巴川製紙所 | Sheet-like heater |
| CN219514244U (en) * | 2023-04-07 | 2023-08-11 | 新疆亿源昊石油技术服务有限责任公司 | Medium heating device in pipeline |
| CN219549909U (en) * | 2023-03-02 | 2023-08-18 | 青岛水木感应设备有限公司 | Dedicated banded heating system of oil pipeline |
-
2024
- 2024-02-27 CN CN202410210564.1A patent/CN117781070B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1807964A (en) * | 2006-02-17 | 2006-07-26 | 中国石油大学(北京) | Petroleum heating device |
| CN201393313Y (en) * | 2009-04-20 | 2010-01-27 | 中国石油天然气管道局 | Breakpoint-less soft tape type electromagnetic induction heater |
| CN101929737A (en) * | 2009-08-13 | 2010-12-29 | 青岛福润德自动化技术有限公司 | Electromagnetic heating precise temperature control system |
| CN103202096A (en) * | 2010-11-09 | 2013-07-10 | 国际壳牌研究有限公司 | Induction heater system for electrically heated pipelines |
| KR101439989B1 (en) * | 2013-12-30 | 2014-09-12 | 주식회사 티에스시 | Pipe Heater and EMF Shielding Apparatus therefor |
| CN205154104U (en) * | 2015-12-03 | 2016-04-13 | 赵吉安 | Well site is high frequency electric magnetism induction heating system for crude oil storage tank |
| CN109936884A (en) * | 2017-12-18 | 2019-06-25 | 特贝国际 | PFA pipe heater with flexible heating device |
| CN107883107A (en) * | 2017-12-24 | 2018-04-06 | 盐城衍易科技有限公司 | oil temperature control pipeline |
| CN111601410A (en) * | 2020-05-26 | 2020-08-28 | 盘锦志达实业有限公司 | Electromagnetic heating device |
| JP2023002984A (en) * | 2021-06-23 | 2023-01-11 | 株式会社巴川製紙所 | Sheet-like heater |
| CN216344616U (en) * | 2021-10-27 | 2022-04-19 | 陕西延长石油（集团）有限责任公司 | Natural gas pipeline electromagnetic induction heating device utilizing skin effect |
| CN219549909U (en) * | 2023-03-02 | 2023-08-18 | 青岛水木感应设备有限公司 | Dedicated banded heating system of oil pipeline |
| CN219514244U (en) * | 2023-04-07 | 2023-08-11 | 新疆亿源昊石油技术服务有限责任公司 | Medium heating device in pipeline |
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