Device for detecting deposits in petroleum pipe
Technical Field
The invention discloses a device for detecting sediments in a petroleum pipe, relates to a device for detecting the condition of sediments in the petroleum pipe, and belongs to the field of energy equipment. In particular to a device for detecting the condition of sediments in a pipeline through the propagation speed of vibration sound waves in the pipeline.
Background
At present, in the petroleum field, petroleum resources are generally conveyed by a pipeline transportation mode, in order to ensure normal conveying, the condition in a pipeline needs to be regularly detected, a newly-mined petroleum stock solution generally contains a certain amount of impurities, partial impurities can precipitate in the conveying process, a certain amount of impurities can be precipitated at the bottom of the pipeline for long-term petroleum conveying, the petroleum circulation in the pipeline is reduced, the conveying speed is influenced, the petroleum pipeline in a use state is difficult to detect sediments from the inside, the conveying is usually required to be regularly stopped according to experience, the detection of sediments in the pipeline is carried out, more time is wasted, the normal conveying of the petroleum resources is not facilitated, some detections are that a sensor is implanted in the pipeline to detect the sediments, the sensor works in crude oil, the service life is short, the precision is poor, and the detection cannot be carried out aiming at the sedimentation in the pipeline in a certain area, the prior device for detecting the deposit in the petroleum pipeline, such as the publication number CN106641735A, discloses a petroleum pipeline for detecting the deposit in the pipeline, which comprises a pipe body, a plurality of sensor detection belts are uniformly arranged on the inner wall of the pipe body along the axial direction, detection rings are arranged on the detection belts, the detection rings are uniformly arranged on the detection belt and also comprise a central control system, the detection belt is connected with the central control system, when the device is used for detecting sediment in the pipeline, the device needs to be fixedly arranged at the position of the pipeline connecting flange when the pipeline is laid, the normal connection of the pipeline is cut off, the leakage problem is easy to occur, and the device fixed connection is in the pipeline, and the detection area is limited only sensor detection area coverage, and the detection range is limited, can not adjust the position that detects according to the demand is nimble, and the result of use is not good.
Disclosure of Invention
In order to improve the situation, the invention provides a device for detecting the deposit in the oil pipe, which is used for detecting the condition of the deposit in the pipe through the propagation speed of vibration sound waves in the pipe. The method can detect any position of the pipeline as required, has higher flexibility, and can effectively improve the detection accuracy of the condition of the sediments in the petroleum conveying pipe.
The invention relates to a device for detecting sediments in an oil pipe, which is realized by the following steps: the invention relates to a device for detecting sediments in an oil pipe, which consists of a main body device and a detection device, wherein the main body device consists of connecting arms, connecting lugs, a horn cover, rotating pins, rubber sheets, copper sheets, transmission plates, fixing plates, sliding grooves, a main body box and fixing springs, the two fixing plates are respectively arranged on two sides of the main body box, the top of the main body box is of an open structure, one ends of the two connecting arms are respectively arranged on the two fixing plates through the rotating pins and are symmetrical, the width of the connecting arms is gradually reduced from one end to the other end, the connecting lugs are hinged to the other end of the connecting arms, the horn cover is arranged on the connecting lugs, the inner walls of two sides of the main body box are respectively provided with the sliding grooves, the rubber sheets are arranged in the main body box, the two ends of the rubber sheets are respectively arranged in the two sliding grooves, the two ends of the, the detection device comprises receiving transducers, a data transmission line, a vibrator, a wireless signal transceiver, a power supply, a controller, a data processor and a signal converter, wherein the two receiving transducers are respectively arranged in two horn covers, the signal converter is arranged in a main box and is connected with the two receiving transducers through the data transmission line, the data processor is arranged in the main box and is connected with the signal converter through the data transmission line, the controller is arranged in the main box and is connected with the data processor through the data transmission line, the power supply is arranged in the main box and is connected with the data processor through a power line, the vibrator is arranged at the bottom of the transfer board and is connected with the controller through the data transmission line, the wireless signal transceiver main body box is connected with the controller through a data transmission line.
The signal converter can receive the signal of the transducer and carry out signal conversion;
the data processor and the signal converter carry out information interaction, a computer program is stored in the data processor, and when the computer program is executed, the following steps are realized: receiving two sound wave signals sent by a signal converter, processing the two sound wave signals, judging the time difference between the two sound wave signals, comparing the time difference with a prestored sediment condition value in the pipe to obtain the sediment condition in the pipe at the position of the conveying pipe, and transmitting the sediment condition value to a controller;
the controller and the data processor carry out information interaction, execute an instruction sent by the data processor, control the wireless signal transceiver to transmit the sediment state value to an external mobile terminal, and control the vibrator to start and stop;
when the device is used, when sediment in an oil conveying pipe is detected, the main box is firstly placed at the bottom of a detection position on the oil conveying pipe, the upper surfaces of a plurality of copper sheets are respectively attached to the surface of the conveying pipe, two connecting arms are rotated to enable two horn covers to be respectively attached to the surface of the pipe, the plurality of copper sheets are pressed by the conveying pipe to respectively drive the rubber sheets to move downwards, two ends of the rubber sheets respectively slide downwards along corresponding sliding grooves, the fixed springs are compressed, at the moment, the vibrator is controlled to work by the controller to generate vibration which generates sound waves, the vibration sound waves are transmitted to the plurality of copper sheets through the transmission plate and then transmitted to the conveying pipe, as the transmission speed of the solid sound waves is greater than that of liquid, the receiving transducer receives two signals successively, the first received signals are vibration sound wave signals transmitted through the pipe wall, and the second received signals are vibration sound wave signals transmitted through the liquid in the pipe, along with the increase of the amount of sediment in the pipe, the gap time between the two signals is reduced, the receiving transducer transmits the two received signals to the data processor, the data processor processes the two received sound wave signals through a preset computer program, judges the time difference between the two sound wave signals, compares the time difference with a prestored pipe sediment condition value to obtain the pipe sediment condition of the position of the conveying pipe, and then transmits the processing result to the controller, and the controller transmits the processing result to an external terminal through the wireless signal transceiver, so that a detection person can conveniently check the pipe sediment condition;
the design that the width of the connecting arm is gradually reduced from one end to the other end can reduce the weight of the connecting arm, so that detection personnel can rotate conveniently to adjust the position;
the two receiving transducers are respectively arranged in the two horn covers, so that the receiving transducers can be completely covered, and the accuracy of sound wave signals received by the receiving transducers is improved;
the rubber sheet is designed to slow down the vibration generated by the vibrator, prevent the vibration force from being transmitted to the two connecting arms and influencing the sound wave signal received by the receiving transducer, and improve the accuracy of the sound wave signal received by the receiving transducer;
the transmission plate is made of copper, so that the sound wave transmission performance of the transmission plate is good, and sound waves are transmitted to the conveying pipeline better;
the section of the copper sheet is trapezoidal, and the upper surface of the copper sheet is an arc surface, so that the upper surface of the copper sheet can be attached to the bottom of the pipeline, and the copper sheet can better transmit vibration sound waves to the conveying pipeline;
the vibrator is matched with the receiving transducer to detect the sediment condition in the petroleum pipeline, so that the detection accuracy of the sediment in the pipeline can be improved;
the vibrator is matched with the plurality of copper sheets, vibration sound waves are transmitted to the petroleum pipeline, and sediment detection is carried out, so that any position of the pipeline can be detected as required, the flexibility is high, and the using effect is good;
the purpose of detecting the condition of the sediments in the petroleum conveying pipe is achieved.
Has the beneficial effects.
The structure is simple, and the device is convenient and practical.
And secondly, any position of the pipeline can be detected as required, and the flexibility is higher.
And thirdly, the accuracy of detecting the condition of the sediments in the petroleum conveying pipe can be effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a device for detecting deposits in a petroleum pipe according to the present invention.
In the attached drawings
Wherein the parts are: the device comprises a connecting arm (1), a connecting lug (2), a horn cover (3), a receiving transducer (4), a data transmission line (5), a rotating pin (6), a rubber sheet (7), a copper sheet (8), a transfer plate (9), a fixing plate (10), a sliding groove (11), a vibrator (12), a wireless signal transceiver (13), a power supply (14), a main body box ((15), a controller (16), a data processor (17), a signal converter (18) and a fixing spring (19).
The specific implementation mode is as follows:
the invention discloses a device for detecting sediments in an oil delivery pipe, which is realized by that when the device is used, when the sediments in the oil delivery pipe are detected, a main box (15) is firstly placed at the bottom of a detection position on the oil delivery pipe, the upper surfaces of a plurality of copper sheets (8) are respectively attached to the surface of the delivery pipe, two connecting arms (1) are rotated, two horn covers (3) are respectively attached to the surface of a pipeline, the copper sheets (8) are pressed by the delivery pipe to respectively drive a rubber sheet (7) to move downwards, two ends of the rubber sheet (7) respectively slide downwards along corresponding sliding grooves (11), a fixed spring (19) is compressed, at the moment, a controller (16) controls a vibrator (12) to work, the vibrator (12) generates vibration to generate sound waves, the vibration sound waves are transmitted to the copper sheets (8) through a transmission plate (9) and then transmitted to the delivery pipe, because the solid sound wave propagation speed is higher than that of the liquid, the receiving transducer (4) receives two signals in sequence, the first received signal is a vibration sound wave signal propagated through the pipe wall, the second received signal is a vibration sound wave signal transmitted through the liquid in the pipe, the gap time between the two signals is reduced along with the increase of the deposit amount in the pipe, the receiving transducer (4) transmits the two received signals to the data processor (17), the data processor (17) processes the two received sound wave signals through a preset computer program, judges the time difference between the two sound wave signals and compares the time difference with the prestored deposit state value in the pipe to obtain the deposit state in the pipe at the position of the conveying pipe, then transmits the processing result to the controller (16), and the controller (16) transmits the processing result to an external terminal through the wireless signal transceiver (13), the inspection personnel can conveniently check the test paper;
the design that the width of the connecting arm (1) is gradually reduced from one end to the other end can reduce the weight of the connecting arm (1), so that detection personnel can rotate conveniently to adjust the position;
the two receiving transducers (4) are respectively arranged in the two horn covers (3), so that the receiving transducers (4) can be completely covered, and the accuracy of sound wave signals received by the receiving transducers (4) is improved;
the rubber sheet (7) is designed to slow down the vibration generated by the vibrator (12), prevent the vibration force from being transmitted to the two connecting arms (1) and influencing the sound wave signal received by the receiving transducer (4), and improve the accuracy of the sound wave signal received by the receiving transducer (4);
the transmission plate (9) is made of copper, so that the transmission plate (9) has good sound wave transmission performance and can better transmit sound waves to the conveying pipeline;
the section of the copper sheet (8) is trapezoidal, and the upper surface of the copper sheet is an arc-shaped surface, so that the upper surface of the copper sheet (8) can be attached to the bottom of a pipeline, and the copper sheet (8) can better transmit vibration sound waves to a conveying pipeline;
the vibrator (12) is matched with the receiving transducer (4) to detect the sediment condition in the petroleum pipeline, so that the detection accuracy of the sediment in the pipeline can be improved;
the vibrator (12) is matched with the copper sheets (8) to transmit vibration sound waves to the petroleum pipeline for sediment detection, and any position of the pipeline can be detected as required, so that the flexibility is high, and the using effect is good;
the purpose of detecting the condition of the sediments in the petroleum conveying pipe is achieved.
It should be noted that, for simplicity, the data processing procedure of the present invention is described as a series of operations in combination, but those skilled in the art should understand that the present invention is not limited by the operations described, because some steps can be performed sequentially or simultaneously according to the present invention, and secondly those skilled in the art should understand that the operations described and referred to in the specification are not necessarily required by the present invention, and the contents are only preferred embodiments of the present invention and should not be considered as limiting the scope of the present invention, and for those skilled in the art, the contents in the present specification should not be understood as limiting the present invention according to the idea of the present invention.