WO2022267078A1 - 一种油田管道用清垢清蜡装置及方法 - Google Patents
一种油田管道用清垢清蜡装置及方法 Download PDFInfo
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- WO2022267078A1 WO2022267078A1 PCT/CN2021/103059 CN2021103059W WO2022267078A1 WO 2022267078 A1 WO2022267078 A1 WO 2022267078A1 CN 2021103059 W CN2021103059 W CN 2021103059W WO 2022267078 A1 WO2022267078 A1 WO 2022267078A1
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- Prior art keywords
- drill bit
- motor
- wax
- ultrasonic
- rigid coil
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000012188 paraffin wax Substances 0.000 title abstract 2
- 238000004804 winding Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 230000008439 repair process Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 8
- 230000008021 deposition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 159000000008 strontium salts Chemical class 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/047—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0071—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating
Definitions
- the invention belongs to the technical field of pipeline cleaning, and in particular relates to a scale and wax removal device and method for oilfield pipelines.
- Existing oilfield pipe wax removal technologies include: 1) Passing rubber ball: greatly affected by temperature, winter temperature drops, serious wax deposition, low passability, only suitable for non-serious wax deposition; 2) hot washing: high cost, difficult operation High pressure and high temperature will cause serious damage to pipelines, especially reinforced plastic pipelines; 3) High-pressure deblocking: generally used in severe cases of wax deposition, high pressure, serious damage to pipelines, and even lead to pipeline blasting.
- Existing oilfield pipe cleaning technologies include: 1) Rubber ball with blades: low passability, only suitable for mild scaling; 2) Pickling: high cost, pollutes the environment, and severely corrodes steel pipelines . Scales such as calcium salts, strontium salts, and barium salts are strong, dense, and have strong adhesion, which cannot be removed by existing methods.
- the object of the present invention is to provide a scale and wax removal device and method for oil field pipelines.
- a scale and wax removal device for oilfield pipelines including a drill bit, the drill bit is provided with a heating device inside, the drill bit is flexibly connected to an electrical device, the electrical device is flexibly connected to an ultrasonic emitting device, the ultrasonic emitting device is connected to a rigid coil, and the rigid The coiled pipe is wound on the winding disk, the electric device is controlled by the power supply, and the ultrasonic generating device controls the ultrasonic emitting device.
- the electrical device includes a motor and a motor protection cover arranged outside the motor, one end of the motor protection cover is provided with a flexible connection sealing device, the drill bit is flexibly connected to the motor protection cover through the flexible connection sealing device, and the other end of the motor protection cover is provided with a Flexible connecting device, the flexible connecting device is used to connect the connecting rod and the motor protection cover, the connecting rod is connected to the rigid coil through the connecting joint after passing through the ultrasonic emitting device, the ultrasonic emitting device is fixed on the connecting rod, and the flexible connecting device is set so that The device can be used for cleaning bent pipes.
- the power supply and the ultrasonic generating device are respectively connected to the power line and the connection through the contact brush and the contact connector, and the power line passes through the rigid coil, the connecting rod and the motor protection sleeve respectively to connect with the motor and the heating device;
- the connecting wire passes through the rigid coil tube and the connecting rod in turn to connect with the ultrasonic emitting device.
- the flexible connection sealing device includes a flexible connection device and a sealing rubber provided on the outside, and a pressure sensor is arranged inside the flexible connection sealing device, and the pressure sensor is used to detect the pressure brought by the drill bit.
- the outer diameter of the drill bit is 3mm-5mm smaller than the diameter of the pipeline to be cleaned.
- the contact brush and the contact connector are arranged at one end of the winding disk, the other end of the winding disk is provided with a rotating motor, and the winding disk is mounted on the supporting frame.
- the motor protective cover and the ultrasonic emitting device are cylindrical, and the diameter of the cross section is smaller than that of the drill bit, which ensures that the device is smoother when bending the pipe.
- a fixing device is provided inside the front end and the end of the rigid coiled pipe on the winding disk, which is used for fixing the power line and the connection line.
- a method for removing scale and wax for oilfield pipelines comprising the steps of:
- the ultrasonic emitting device emits ultrasonic waves
- the rotating motor rotates to drive the winding disk to rotate
- the rigid coil pushes the drill bit to advance along the inside of the pipeline
- the drill bit melts the wax
- the ultrasonic wave emulsifies the melted wax, making it no longer Solidification clogged pipes
- the pressure sensor detects the pressure at the drill bit.
- the motor drives the drill bit to rotate and work to remove the scale in the pipeline.
- the pressure sensor senses the pressure
- the induction pressure drops below the set pressure value
- the drill bit stops working, and the ultrasonic emitting device will further crush the dirt removed by the drill bit to prevent it from blocking the pipeline; since the outer diameter of the drill bit is smaller than the pipeline, the gap between the drill bit and the pipeline The unremoved part of the dirt is further removed and pulverized under the action of ultrasonic waves;
- the set heating temperature of the drill bit is 5°C to 10°C higher than the melting point of the wax, but lower than the melting temperature of the pipeline core tube matrix. Since the ultrasonic device and the heating device are running clean at the same time, the heating setting of the drill bit The temperature is reduced relative to the pure drill heating set temperature.
- the motor can be controlled by a pressure sensor.
- the motor starts to work, driving the drill bit to rotate to crush the dirt in the pipeline.
- the drill bit can pass through directly. .
- winding coils and support frames can be set at the end of the pipe to collect the rigid coil.
- the outer diameter of the drill bit, the outer diameter of the motor protection sleeve, and the outer diameter of the ultrasonic emitting device are smaller than the inner diameter of the pipe, which can prevent the drill from damaging the inner wall of the pipe.
- the winding coil can coil the rigid coil at a length of 2000m ⁇ 3000m, and the rigid coil can be newly connected by continuous connection.
- the invention simultaneously removes scale and wax by heating the drill bit and ultrasonic waves.
- the ultrasonic wave further removes scale, without damaging the pipeline, and achieves a better cleaning effect. It is also suitable for elbow cleaning operations. Wide applicability.
- Fig. 1 is the sectional view of device of the present invention
- Figure 2 is an enlarged view of detail A
- Figure 3 is an enlarged view of detail B
- Fig. 4 is the three-dimensional structure schematic diagram of the present invention.
- Fig. 5 is a schematic diagram of the connection mode between the rigid coil and the rigid coil according to the present invention.
- Drill bit 1. Drill bit; 2. Heating device; 3. Motor; 4. Flexible connection sealing device; 5. Motor protective cover; 6. Flexible connection device; 7. Connecting rod; 8. Ultrasonic emission device; 9. Connection joint ;10. Rigid coil; 11. Winding disc; 12. Support frame; 13. Contact brush; 14. Contact connector; 15. Power supply; 16. Ultrasonic generating device; 17. Connecting wire; 18. Power cord ; 19, fixing device; 20, joint; 21, sealing rubber; 22, rotating motor.
- a scale and wax removal device for oilfield pipelines includes a drill bit 1, a heating device 2, a motor 3, an ultrasonic emission device 8, a rigid coil 10, a winding disc 11, a support frame 12, a contact Electric brush 13, contact connector 14, power supply 15, ultrasonic generating device 16 and rotating motor 22;
- drill bit 1 is a conical structure, the head is a smooth round head, the drill bit 1 is provided with a heating device 2, the outside of the motor 3
- a motor protection cover 5 is provided, the motor protection cover 5 is cylindrical, the cross section of the motor protection cover 5 and the ultrasonic emission device 8 is smaller than the size of the cross section of the drill bit 1, and one end of the motor protection cover 5 is provided with a flexible connection sealing device 4.
- the flexible connection sealing device 4 includes a flexible connection device 6 and an external sealing rubber 21.
- a pressure sensor is arranged inside the flexible connection sealing device 4.
- the drill bit 1 is flexibly connected to the motor protective sleeve 5 through the flexible connection sealing device 4.
- the other end A flexible connection device 6 is provided, and the flexible connection device 6 is used to connect the motor protection cover 5 and the connecting rod 7.
- the other end of the connecting rod 7 passes through the ultrasonic emitting device 8, and is connected to the rigid coil 10 through the connecting joint 9.
- the rigid coil 10 is wound on the winding disc 11, one end of the winding disc 11 is provided with a contact brush 13 and a contact connector 14, and the other end is provided with a rotating motor 22, and the winding disc 11 is erected on the support frame 12, and the power supply 15 and ultrasonic waves are generated
- the device 16 is connected to the power line 18 and the connection line 17 through the contact brush 13 and the contact connector 14 respectively, and the power line 18 passes through the rigid coil 10, the connecting rod 7 and the motor in turn.
- the protective cover 5 is respectively connected with the motor 3 and the heating device 2, and the power cord 18 and the heating device 2 are also connected in the way of sweeping the brush to touch and energize.
- the motor 3 can drive the drill bit 1 to rotate, and at the same time
- the drill bit 1 can be heated again, and the heated power line 18 does not rotate; the connecting line 17 passes through the rigid coil 10 and the connecting rod 7 to be connected with the ultrasonic emitting device 8 in turn.
- the front end and the end of the rigid coil 10 on the coil 11 are provided with fixing devices 19 for fixing the power cord 18 and the connecting wire 17, when the rigid coil 10 wound on the coil 11 is used
- the connection method is: to connect another rigid coil pipe 10 by gluing the joint 20 .
- a method for removing scale and wax from oilfield pipelines comprising the following steps: 1) placing a drill bit 1 at the end of the pipeline to be cleaned, and heating the drill bit 1 to a temperature of 60° C. (the wax in the pipeline to be cleaned is The melting temperature is 50°C, and the melting temperature of the pipeline is 115°C); 2) Turn on the ultrasonic generating device 16, the ultrasonic emitting device 8 emits ultrasonic waves, the rotating motor 22 rotates to drive the winding disc 11 to rotate, and the rigid coil 10 pushes the drill bit 1 along the inside of the pipeline Go forward, the drill bit 1 melts the wax, and the ultrasonic wave emulsifies the melted wax so that it will no longer block the pipeline; 3) Descaling: the pressure sensor detects the pressure at the drill bit 1, and when the sensed pressure is 65N, the motor 3 drives the drill bit 1 Rotate the work to remove the dirt in the pipeline.
- the pressure sensor senses the pressure to decrease.
- the drill bit 1 stops working, and the ultrasonic emission device 8 will further pulverize the dirt removed by the drill bit 1.
- the rigid coil 10 on the coil 11 is used up and the pipeline is still not cleaned, and another rigid coil 10 is connected through the joint 20; after the wax and scale removal is completed, the pipeline is crushed Impurities can be easily carried out of the pipeline under the push of the conveying fluid.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
一种油田管道用清垢清蜡装置,该装置包括钻头(1),所述的钻头(1)内部设有加热装置(2),钻头(1)与电装置柔性连接,电装置与超声波发射装置(8)柔性连接,超声波发射装置(8)与刚性盘管(10)连接,刚性盘管(10)缠绕在缠绕盘(11)上,由电源(15)控制电装置,超声波发生装置(16)控制超声波发射装置(8),电装置包括电机(3)和设于电机(3)外部的电机保护套(5),电机保护套(5)的一端设有柔性连接密封装置(4),电机保护套(5)的另一端设有柔性连接装置(6),柔性连接装置(6)用于连接连接杆(7)和电机保护套(5),连接杆(7)穿过超声波发射装置(8)后通过连接接头(9)与刚性盘管(10)连接,超声波发射装置(8)固定在连接杆(7)上。
Description
本发明属于管道清洁技术领域,具体涉及一种油田管道用清垢清蜡装置及方法。
现有油田管清蜡技术有:1)通橡胶球:受温度影响大,冬季温度降低,结蜡严重,通过性低,仅适用于结蜡不严重情况;2)热洗:成本高,操作压力高、温度高对管线尤其是增强塑料管线损害严重;3)高压解堵:一般用于结蜡严重情况,压力高,对管线破坏严重,甚至导致管线***。现有的油田管清垢技术有:1)通带有刀片的橡胶球:通过性低,仅适用于结垢不严重情况;2)酸洗:成本高、污染环境,对钢质管线腐蚀严重。钙盐、锶盐、钡盐等垢物强度大、密实、粘附力强,现有方法无法清除。
发明内容
为了解决上述问题,本发明的目的在于提供一种油田管道用清垢清蜡装置及方法。
为达到上述目的,提出以下技术方案:
一种油田管道用清垢清蜡装置,包括钻头,所述的钻头内部设有加热装置,钻头与电装置柔性连接,电装置与超声波发射装置柔性连接,超声波发射装置与刚性盘管连接,刚性盘管缠绕在缠绕盘上,由电源控制电装置,超声波发生装置控制超声波发射装置。
进一步地,电装置包括电机和设于电机外部的电机保护套,电机保护套的一端设有柔性连接密封装置,钻头通过柔性连接密封装置与电机保护套柔性连接,电机保护套的另一端设有柔性连接装置,柔性连接装置用于连接连接杆和电机保护套,连接杆穿过超声波发射装置后通过连接接头与刚性盘管连接,超声波发射装置固定在连接杆上,柔性连接装置的设置,使本装置可用于弯管的清洁。
进一步地,电源和超声波发生装置通过接触式电刷和接触式连接器分别与电源线和连接连接,电源线依次穿过刚性盘管、连接杆和通电机保护套分别与电机和加热装置连接;连接线依次穿过刚性盘管和连接杆与超声波发射装置连接。
进一步地,柔性连接密封装置包括柔性连接装置和设于外部的密封橡胶,柔性连接密封装置内设有压力传感器,压力传感器用于检测钻头带来的压力。
进一步地,钻头外径小于需要清理管道的通径3mm~5mm。
进一步地,所述的接触式电刷和接触式连接器设于缠绕盘的一端,缠绕盘的另一端设有旋转电机,缠绕盘架设在支撑架上。
进一步地,所述的电机保护套和超声波发射装置为圆柱型,横截面直径小于钻头横截面直径,保证本装置在过弯管时更加顺畅。
进一步地,缠绕盘上的刚性盘管的前端和末端内设有固定装置,用于固定电源线和连接线。
一种油田管道用清垢清蜡的方法,包括如下步骤:
1)将钻头置于需要清洁的管道的端部,通电将钻头加热到设定温度;
2)打开超声波发生装置,超声波发射装置发射超声波,旋转电机旋转带动缠绕盘旋转,刚性盘管推动钻头沿管线内部前进,钻头融化蜡质,超声波将融化的蜡质乳化,使其短时间不再凝固堵塞管道;
3)在清垢过程中,由压力传感器检测钻头处的压力,当感应压力大于设定值时,电机带动钻头旋转工作,清除管线内垢物,随着垢物被逐渐清除,压力传感器感应压力降低,当感应压力降低到设定压力值以下,钻头停止工作,同时超声波发射装置会把钻头清除的垢物进一步粉碎以防止其堵塞管道;由于钻头外径小于管线通经,钻头和管线之间未清除部分垢物在超声波作用下被进一步清除粉碎;
4)当缠绕盘上的刚性盘管使用完而管道仍未清洁完毕,则通过接头来连接另一根刚性盘管;
5)在清垢过程中,清垢装置发生故障无法继续工作,设置旋转电机反向旋转,通过带动缠绕盘,进而盘绕刚性盘管,带出清垢装置以进行维修。
进一步地,所述的钻头加热设定温度高于蜡质熔点5℃~10℃,但低于管道芯管基体的熔融温度,由于超声波装置和加热装置的同时运行清洁,因此对钻头加热设定温度相对于纯钻头加热设定温度有所降低。
进一步地,电机可通过压力传感器进行控制,当压力传感器感应到的轴向压力大于60N时电机开始工作,带动钻头旋转从而粉碎管道内的污垢,在轴向压力较小的时候,钻头可以直接通过。
管道清理完毕后,可在管道末端设置缠绕盘和支撑架以收集刚性盘管。
钻头外径、电机保护套外径、超声波发射装置外径小于管道内径,可避免钻头伤害管道内壁。
缠绕盘可一次盘绕刚性盘管的长度为2000m~3000m,可通过续接的方式新接刚性盘管。
本发明的有益效果在于:
本发明通过加热钻头和超声波同时进行清垢和清蜡,在钻头初步清垢的基础上,超声波进一步清垢,不损伤管道的同时,达到较好的清洁效果,同时适用于弯管清洁操作,适用性广。
图1为本发明的装置的剖视图;
图2为细节A处的放大图;
图3为细节B处的放大图;
图4为本发明的立体结构示意图;
图5为本发明的刚性盘管与刚性盘管之间的续接方式示意图。
图中:1、钻头;2、加热装置;3、电机;4、柔性连接密封装置;5、电机保护套;6、柔性连接装置;7、连接杆;8、超声波发射装置;9、连接接头;10、刚性盘管;11、缠绕盘;12、支撑架;13、接触式电刷;14、接触式连接器;15、电源;16、超声波发生装置;17、连接线;18、电源线;19、固定装置;20、接头;21、密封橡胶;22、旋转电机。
下面结合说明书附图对本发明做进一步地说明,但本发明的保护范围并不仅限于此。
如图1至图4所示,一种油田管道用清垢清蜡装置,包括钻头1、加热装置2、电机3、超声波发射装置8、刚性盘管10、缠绕盘11、支撑架12、接触式电刷13、接触式连接器14、电源15、超声波发生装置16和旋转电机22;钻头1为圆锥形结构,头部为光滑圆头,钻头1内设有加热装置2,电机3的外部设有电机保护套5,所述的电机保护套5为圆柱型,电机保护套5和超声波发射装置8的横截面小于钻头1横截面的大小,电机保护套5的一端设有柔性连接密封装置4,柔性连接密封装置4包括柔性连接装置6和设于外部的密封橡胶21,柔性连接密封装置4内设有压力传感器,钻头1通过柔性连接密封装置4与电机保护套5柔性连接,另一端设有柔性连接装置6,柔性连接装置6用于连接电机保护套5和连接杆7,连接杆7的另一端穿过超声波发射装置8,通过连接接头9与刚性盘管10连接,刚性盘管10缠绕在缠绕盘11上,缠绕盘11的一端设有接触式电刷13和接触式连接器14,另一端设有旋转电机22,缠绕盘11架设在支撑架12上,电源15和超声波发生装置16通过接触式电刷13和接触式连接器14分别与电源线18和连接线17通过扫刷碰触通电的方式实现连接,电源线18依次穿过刚性盘管10、连接杆7和电机保护套5分别与电机3和加热装置2连接,电源线18与加热装置2的连接方式同样采取扫刷碰触通电的方式实现连接,在此连接方式下,电机3可以带动钻头1旋转,同时钻头1又能加热,而加热的电源线 18不发生旋转;连接线17依次穿过刚性盘管10和连接杆7与超声波发射装置8连接。
如图5所示,缠绕盘11上的刚性盘管10的前端和末端内设有固定装置19,用于固定电源线18和连接线17,当缠绕在缠绕盘11上的刚性盘管10使用完后,续接方式为:通过接头20胶粘的方式来连接另一根刚性盘管10。
一种油田管道用清垢清蜡的方法,包括如下步骤:1)将钻头1置于需要清洁的管道的端部,通电将钻头1加热到60℃温度(所需清洁的管道内的蜡质融化温度为50℃,管道的熔化温度是115℃);2)打开超声波发生装置16,超声波发射装置8发射超声波,旋转电机22旋转带动缠绕盘11旋转,刚性盘管10推动钻头1沿管线内部前进,钻头1融化蜡质,超声波将融化的蜡质乳化,使其不再堵塞管道;3)清垢:由压力传感器检测钻头1处的压力,当感应压力为65N时,电机3带动钻头1旋转工作,清除管线内垢物,随着垢物被逐渐清除,压力传感器感应压力降低,当感应压力小于65时,钻头1停止工作,同时超声波发射装置8会把钻头1清除的垢物进一步粉碎以防止其堵塞管道;4)缠绕盘11上的刚性盘管10使用完而管道仍未清洁完毕,通过接头20来连接另一根刚性盘管10;完成清蜡清垢后,管道内被粉碎的杂质在输送流体推动下可以轻易的被带出管道。
Claims (10)
- 一种油田管道用清垢清蜡装置,包括钻头(1),其特征在于,所述的钻头(1)内部设有加热装置(2),钻头(1)与电装置柔性连接,电装置与超声波发射装置(8)柔性连接,超声波发射装置(8)与刚性盘管(10)连接,刚性盘管(10)缠绕在缠绕盘(11)上,由电源(15)控制电装置,超声波发生装置(16)控制超声波发射装置(8)。
- 如权利要求1所述的一种油田管道用清垢清蜡装置,其特征在于,电装置包括电机(3)和设于电机(3)外部的电机保护套(5),电机保护套(5)的一端设有柔性连接密封装置(4),钻头(1)通过柔性连接密封装置(4)与电机保护套(5)柔性连接,电机保护套(5)的另一端设有柔性连接装置(6),柔性连接装置(6)用于连接连接杆(7)和电机保护套(5),连接杆(7)穿过超声波发射装置(8)后通过连接接头(9)与刚性盘管(10)连接,超声波发射装置(8)固定在连接杆(7)上。
- 如权利要求2所述的一种油田管道用清垢清蜡装置,其特征在于,电源(15)和超声波发生装置(16)通过接触式电刷(13)和接触式连接器(14)分别与电源线(18)和连接线(17)连接,电源线(18)依次穿过刚性盘管(10)、连接杆(7)和通电机保护套(5)分别与电机(3)和加热装置(2)连接;连接线(17)依次穿过刚性盘管(10)和连接杆(7)与超声波发射装置(8)连接。
- 如权利要求2所述的一种油田管道用清垢清蜡装置,其特征在于,柔性连接密封装置(4)包括柔性连接装置(6)和设于外部的密封橡胶(21),柔性连接密封装置(4)内设有压力传感器。
- 如权利要求3所述的一种油田管道用清垢清蜡装置,其特征在于,所述的接触式电刷(13)和接触式连接器(14)设于缠绕盘(11)的一端,缠绕盘(11)的另一端设有旋转电机(22),缠绕盘(11)架设在支撑架(12)上。
- 如权利要求2所述的一种油田管道用清垢清蜡装置,其特征在于,所述的电机保护套(5)和超声波发射装置(8)为圆柱型,横截面直径小于钻头(1)横截面直径,钻头(1)外径小于需要清理管道的通径3mm~5mm。
- 如权利要求3所述的一种油田管道用清垢清蜡装置,其特征在于,缠绕盘(11)上的刚性盘管(10)的前端和末端内设有固定装置(19),用于固定电源线(18)和连接线(17)。
- 一种如权利要求7所述的油田管道用清垢清蜡的方法,其特征在于,包括如下步骤:1)将钻头(1)置于需要清洁的管道的端部,通电将钻头(1)加热到设定温度;2)打开超声波发生装置(16),超声波发射装置(8)发射超声波,旋转电机(22)旋转带动缠绕盘(11)旋转,刚性盘管(10)推动钻头(1)沿管线内部前进,钻头(1)融化蜡 质,超声波将融化的蜡质乳化;3)在清垢过程中,由压力传感器检测钻头(1)处的压力,当感应压力大于设定值时,电机(3)带动钻头(1)旋转工作,清除管线内垢物,随着垢物被逐渐清除,压力传感器感应压力降低,当感应压力降低到设定压力值以下,钻头(1)停止工作,同时超声波发射装置(8)会把钻头(1)清除的垢物进一步粉碎以防止其堵塞管道;4)当缠绕盘(11)上的刚性盘管(10)使用完而管道仍未清洁完毕,则通过接头(20)来连接另一根刚性盘管(10);5)在清垢过程中,清垢装置发生故障无法继续工作,设置旋转电机(22)反向旋转,通过带动缠绕盘(11),进而盘绕刚性盘管(10),带出清垢装置以进行维修。
- 如权利要求8所述的一种油田管道用清垢清蜡的方法,其特征在于,所述的钻头(1)加热设定温度高于蜡质熔点5℃~10℃,但低于管道芯管基体的熔融温度。
- 如权利要求8所述的一种油田管道用清垢清蜡的方法,其特征在于,电机(3)可通过压力传感器进行控制,当压力传感器感应到的轴向压力大于60N时电机(3)开始工作。
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