CN201875357U - An ultrasonic on-line anti-scaling device based on the sewage pipeline of the oilfield joint station - Google Patents

Abstract

The embodiment of the utility model provides an online anti fouling device of ultrasonic wave based on oil field combined station sewer line, online anti fouling device of ultrasonic wave based on oil field combined station sewer line includes: sewage line, card frame, ultrasonic transducer, ultrasonic power generator, switch board, magnetism thickness measurement sensor, temperature sensor and flow sensor, wherein: the ultrasonic transducer is externally arranged on the outer wall of the sewage pipeline through the clamping frame, the control cabinet acquires the pipe wall scaling thickness, temperature and flow signals of a medium in the sewage pipeline through the magnetic thickness measuring sensor, the temperature sensor and the flow sensor, and controls the ultrasonic parameters of the ultrasonic power generator so as to control the ultrasonic transducer to perform online anti-scaling operation on the sewage pipeline of the oil field combined station. The embodiment of the utility model provides a sewage pipeline's on-line prevention, scale removal in realizing the oil field combined station has ensured sewage pipeline's safety, economy, environmental protection operation.

Description

An ultrasonic on-line anti-scaling device based on the sewage pipeline of the oilfield joint station

technical field

The utility model relates to the technical field of sewage treatment in oil field surface engineering, in particular to an ultrasonic on-line anti-scaling device based on the sewage pipeline of an oil field joint station.

Background technique

Scaling of sewage treatment pipelines in oilfield joint stations is a common problem in oilfield production. Pipeline scaling will cause pipeline blockage, accelerate pipeline corrosion, and seriously affect the normal production of oilfields. At present, chemical methods are generally used for scale removal and scale prevention, which need to be added continuously, which not only has high cost, but also has adverse effects on oil products, increasing the difficulty of subsequent treatment. Ultrasonic anti-scaling is a purely physical method of anti-scaling. It has no pollution to water bodies and the environment, and has no corrosion to pipelines. It is in line with the company's energy-saving and environmental protection policies.

Chinese patent ZL 200720015825 discloses a digital ultrasonic descaling device, which has good descaling and anti-scaling effects, no environmental pollution and can realize online operation. Chinese patent ZL 94227197 discloses a high-temperature and high-sound-intensity ultrasonic pipeline anti-scaling device. Its working frequency is 15-40KHz, the emission sound intensity is 5-8W/cm2, and the maximum working temperature is 200°C. The anti-scaling effect is obviously better than other products. The anti-scaling method can completely solve the scaling of the pipeline below Φ377. The installation structures of the ultrasonic anti-scaling devices stated in the above patents are all built-in, that is, the ultrasonic transducers are placed in the pipeline and are in direct contact with the medium, that is, the ultrasonic anti-scaling devices stated above are used in the sewage treatment pipelines of oilfield joint stations. In fact, during the installation process, the pipeline needs to be treated with hot fire, so there is a huge potential safety hazard. In addition, because the transducer equipment is in direct contact with the oilfield sewage medium, it has a certain impact on the corrosion of the equipment.

Utility model content

The embodiment of the utility model provides an ultrasonic online anti-scaling device based on the sewage pipeline of the oilfield combined station, which realizes the online prevention and descaling of the sewage pipeline in the oilfield combined station, and ensures the safe, economical and environment-friendly operation of the sewage pipeline.

On the one hand, the embodiment of the utility model provides an ultrasonic online anti-scaling device based on the sewage pipeline of the oilfield combined station. The ultrasonic online anti-scaling device based on the sewage pipeline of the oilfield combined station includes: sewage pipeline, clamp, generator, ultrasonic power generator, control cabinet, magnetic thickness sensor, temperature sensor and flow sensor, among which:

The ultrasonic transducer is externally placed on the outer wall of the sewage pipeline through a clamp, and the control cabinet collects the thickness and temperature of the fouling on the wall of the medium in the sewage pipeline through a magnetic thickness sensor, a temperature sensor and a flow sensor. and the flow signal to control the ultrasonic parameters of the ultrasonic power generator, so as to control the ultrasonic transducer to carry out the online anti-scaling operation of the sewage pipeline of the oilfield combined station.

Optionally, in an embodiment of the present utility model, the ultrasonic transducer is an inverted horn-shaped ultrasonic transducer.

Optionally, in an embodiment of the present utility model, the ultrasonic transducer is externally placed on the outer wall of the sewage pipeline through a plurality of bar-shaped brackets.

Optionally, in an embodiment of the present utility model, the control cabinet collects the wall fouling thickness, temperature and flow signal of the medium in the sewage pipeline through a magnetic thickness sensor, a temperature sensor and a flow sensor, and controls the The ultrasonic parameters of the ultrasonic power generator include: ultrasonic sound intensity, frequency, intermittent ratio, and ultrasonic power.

Optionally, in an embodiment of the present utility model, the ultrasonic power generator uses a phase-locking method to track ultrasonic frequency signals, and outputs rated electric power to the ultrasonic transducer through a current-type constant power control technology.

Optionally, in an embodiment of the present utility model, the ultrasonic transducer converts electrical energy into ultrasonic mechanical energy for online anti-scaling operation of the sewage pipeline of the oilfield combined station.

The above-mentioned technical solution has the following beneficial effects: because the technical means of the external ultrasonic anti-scaling device is adopted, the on-line anti-scaling and descaling of the sewage pipeline in the oil field combined station are realized, and the safe, economical and environment-friendly operation of the sewage pipeline is guaranteed.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of an ultrasonic online anti-scaling device based on the sewage pipeline of an oilfield combined station according to an embodiment of the present invention;

Fig. 2 is the schematic diagram of the pipeline section of the device in Fig. 1 of the utility model;

Fig. 3 is a working principle diagram of the phase-locking method of the present invention;

Fig. 4 is the current type constant power control diagram of the utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1, it is a schematic structural diagram of an ultrasonic online anti-scaling device based on the sewage pipeline of the oil field combined station according to an embodiment of the present invention. The ultrasonic online anti-scale device based on the sewage pipeline of the oil field combined station includes: sewage pipeline 1, card Frame 2, ultrasonic transducer 3, ultrasonic power generator 4, control cabinet 5, magnetic thickness sensor 6, temperature sensor 7 and flow sensor 8, of which:

The ultrasonic transducer 3 is externally placed on the outer wall of the sewage pipeline 1 through the card frame 2, and the control cabinet 5 collects the medium in the sewage pipeline 1 through a magnetic thickness sensor 6, a temperature sensor 7 and a flow sensor 8 The scale thickness of the pipe wall, temperature and flow signal, control the ultrasonic parameters of the ultrasonic power generator 4, so as to control the ultrasonic transducer 3 to carry out the online anti-scaling operation of the sewage pipeline 1 of the oilfield combined station.

Optionally, in an embodiment of the present utility model, the ultrasonic transducer 3 is an inverted horn-shaped ultrasonic transducer.

Optionally, in an embodiment of the present utility model, the ultrasonic transducer 3 is externally placed on the outer wall of the sewage pipeline 1 through a plurality of bar-shaped brackets 2 .

Optionally, in an embodiment of the present utility model, the control cabinet 5 collects the scale thickness, temperature and The ultrasonic parameters of the ultrasonic power generator 4 controlled by the flow signal include: ultrasonic sound intensity, frequency, intermittent ratio, and ultrasonic power.

Optionally, in an embodiment of the present utility model, the ultrasonic power generator 4 uses a phase-locking method to track ultrasonic frequency signals, and outputs rated electric power to the ultrasonic transducer 3 through a current-type constant power control technology.

Optionally, in an embodiment of the present utility model, the ultrasonic transducer 3 converts electrical energy into ultrasonic mechanical energy to perform the online anti-scaling operation of the sewage pipeline 1 of the combined oil field station.

When the external ultrasonic on-line anti-scaling device used in the sewage pipeline in the oilfield joint station is working, the ultrasonic power generator 4 will make the power supply output the rated electric power to the ultrasonic transducer 3 through the built-in matching circuit, and the ultrasonic transducer 3 will pass through a plurality of bar The shape clamp frame 2 is fixed on the sewage pipeline 1, as shown in Figure 2, which is a schematic cross-sectional view of the pipeline of the device in Figure 1 of the present utility model. The ultrasonic transducer 3 is an inverted trumpet-shaped ultrasonic transducer, equipped with a specific shape of the horn, by changing the shape and area of the energy output end, to achieve the purpose of energy gathering, and more efficiently convert electrical power into ultrasonic mechanical energy.

The ultrasonic power generator 4 uses the phase-locking method to track the ultrasonic frequency signal, and outputs rated electric power to the ultrasonic transducer 3 through the current-type constant power control technology. In order to ensure the efficient and stable operation of the ultrasonic system, the phase-locking method is used for the frequency tracking design scheme, as shown in Figure 3, which is the working principle diagram of the phase-locking method of the present invention, wherein the VCO is a voltage-controlled oscillator, which can effectively Filter out unwanted out-of-band signals to prevent the system from falsely tracking signals at non-resonant frequencies. The control of power adopts the current type constant power control scheme, as shown in Figure 4, which is the current type constant power control diagram of the utility model, that is, the current signal on the DC side is compared with the given current signal, and the deviation is input into the digital P1 regulator, so as to change the phase shift angle of the phase shift control, and then change the output voltage of the inverter unit.

The control cabinet 5 obtains the temperature, flow rate and scale thickness information of the pipeline medium through the temperature sensor 7, flow sensor 8 and magnetic thickness measuring sensor 6, and the control system can adjust the ultrasonic sound intensity (0.2-4W/cm2 ⁾ according to the collected signals ), frequency (25~50kHz), intermittent ratio (3~5), ultrasonic power (≥5KW) and other ultrasonic parameters, so as to realize the online prevention and descaling of the sewage pipeline in the joint station.

The external ultrasonic online anti-scaling device can achieve good anti-scaling effect in practical applications, the anti-scaling distance is greater than 2000 meters, and the amount of chemical agents can be reduced by more than 15%. The device can adjust the ultrasonic parameters on-line according to the characteristics of oilfield sewage. It is easy to install and effectively guarantees the safe, economical and environmentally friendly operation of the sewage treatment pipeline in the combined station. It has a good application prospect.

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present utility model in detail. Within the protection scope of the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (6)

1. An ultrasonic on-line anti-scaling device based on the sewage pipeline of the oil field joint station, it is characterized in that, the ultrasonic on-line anti-scaling device based on the sewage pipeline of the oil field joint station comprises: sewage pipeline (1), clamp (2), ultrasonic Transducer (3), ultrasonic power generator (4), control cabinet (5), magnetic thickness sensor (6), temperature sensor (7) and flow sensor (8), wherein: The ultrasonic transducer (3) is externally placed on the outer wall of the sewage pipeline (1) through a clamp (2), and the control cabinet (5) is connected through a magnetic thickness sensor (6), a temperature sensor (7) and flow sensor (8) to collect the pipe wall scaling thickness, temperature and flow signal of the medium in the sewage pipeline (1), control the ultrasonic parameters of the ultrasonic power generator (4), to control the ultrasonic transducer (3 ) to carry out the online anti-scaling operation of the sewage pipeline (1) of the oilfield joint station. 2. The ultrasonic on-line anti-scaling device based on the sewage pipeline of the oilfield combined station as claimed in claim 1, wherein, The ultrasonic transducer (3) is an inverted trumpet-shaped ultrasonic transducer. 3. The ultrasonic on-line anti-scaling device based on the sewage pipeline of the oilfield combined station as claimed in claim 1, characterized in that, The ultrasonic transducer (3) is externally placed on the outer wall of the sewage pipeline (1) through a plurality of bar-shaped brackets (2). 4. The ultrasonic on-line anti-scaling device based on the sewage pipeline of the oilfield combined station as claimed in claim 1, wherein, The control cabinet (5) collects the pipe wall scaling thickness, temperature and flow signal of the medium in the sewage pipeline (1) through a magnetic thickness measuring sensor (6), a temperature sensor (7) and a flow sensor (8), and controls the The ultrasonic parameters of the ultrasonic power generator (4) include: ultrasonic sound intensity, frequency, intermittent ratio, and ultrasonic power. 5. The ultrasonic on-line anti-scaling device based on the sewage pipeline of the oilfield combined station as claimed in claim 1, characterized in that, The ultrasonic power generator (4) uses a phase-locking method to track ultrasonic frequency signals, and outputs rated electric power to the ultrasonic transducer (3) through a current-type constant power control technology. 6. The ultrasonic on-line anti-scaling device based on the sewage pipeline of the oilfield combined station as claimed in claim 1, characterized in that, The ultrasonic transducer (3) converts electrical energy into ultrasonic mechanical energy. the

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