CN118305146B - Automatic cleaning ball intelligent collecting device and method for pipeline cleaning device - Google Patents
Automatic cleaning ball intelligent collecting device and method for pipeline cleaning device Download PDFInfo
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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
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/057—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/46—Launching or retrieval of pigs or moles
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Abstract
The invention relates to the technical field of ball throwing and cleaning of oilfield pipelines, in particular to an automatic cleaning ball intelligent throwing and receiving device and method of a pipeline cleaning device, which comprises a main pipe body connected to oilfield pipelines, the main pipe body consists of a liquid inlet pipe and a liquid outlet pipe which are communicated with each other, and a cleaning and conveying mechanism is further connected in parallel on the liquid inlet pipe and used for driving the paraffin removal ball in the oilfield pipeline to rotate and synchronously scraping and cleaning impurities attached to the surface of the paraffin removal ball. The invention automatically realizes the surface cleaning of the paraffin removal balls, and the paraffin removal balls pass through the diameter reduction section and the circular pipe section in sequence, so that the subsequent ball collecting mechanism is also convenient for collecting the paraffin removal balls one by one.
Description
Technical Field
The invention relates to the technical field of ball throwing and cleaning of oilfield pipelines, in particular to an automatic cleaning ball intelligent throwing and collecting device and method of a pipeline cleaning device.
Background
Because the wax of the crude oil is higher, the pipeline cleaning is mainly pipeline paraffin removal, and the main paraffin removal mode in the prior art is ball throwing paraffin removal.
The Chinese patent with the authorized bulletin number of CN108772391B discloses an intelligent ball receiving device and a ball receiving method, and the intelligent ball receiving device comprises an electric four-port three-way valve, a cylinder, a communication pipeline, an intelligent control box, a ball receiving groove and a monitoring upper computer; the two electric four-port three-way valves are respectively a first electric four-port three-way valve and a second electric four-port three-way valve; the first electric four-port three-way valve, the second electric four-port three-way valve and the ball receiving groove are sequentially connected; the right interfaces of the first electric four-port three-way valve and the second electric four-port three-way valve are communicated; the intelligent control box is arranged in the ball receiving groove; the monitoring upper computer and the electric four-port three-way valve are electrically connected with the intelligent control box. The intelligent control box controls the switch of the electric four-port three-way valve and the ball receiving groove to be closed, so that ball sand separation is realized, the problem that the ball cannot be received automatically due to sediment blockage is fundamentally eliminated, and automatic ball receiving in a true sense is realized.
As mentioned in the above application, the current ball collecting device that is used for oil field pipeline bowling washs, it is generally all collected through the filtration, will contain the fluid of paraffin removal ball and carry the collection mechanism of welding filter screen in, block through the filter screen and collect paraffin removal ball, at first, paraffin removal ball is concentrated and is collected, probably cause the jam of pipeline or valve body, and can't calculate paraffin removal ball quantity, do not know when to collect and accomplish, have and lack the clearance structure again, paraffin removal ball surface also can adhere to many impurity, if not clear up, can influence the next use.
Disclosure of Invention
In order to solve the problems, the invention provides an automatic cleaning ball intelligent feeding and receiving device and method of a pipeline cleaning device.
The invention adopts the following technical scheme that the automatic cleaning ball intelligent receiving device of the pipeline cleaning device is applied to the ball receiving device for cleaning the ball throwing of the oil field pipeline, and comprises a main pipe body connected to the oil field pipeline, wherein the main pipe body consists of a liquid inlet pipe and a liquid outlet pipe which are mutually communicated, and a second ball valve is arranged between the liquid inlet pipe and the liquid outlet pipe;
the liquid inlet pipe is also connected with a cleaning and conveying mechanism in parallel and is used for driving the paraffin removal ball in the oilfield pipeline to rotate and synchronously scraping and cleaning impurities attached to the surface of the paraffin removal ball;
The other end of the cleaning and conveying mechanism is communicated with a ball collecting mechanism, and the ball collecting mechanism is used for collecting wax cleaning balls passing through the cleaning and conveying mechanism one by one.
As a further description of the above technical solution: a first ball valve is arranged at the joint of the cleaning and conveying mechanism and the liquid inlet pipe;
The cleaning and conveying mechanism comprises a conveying pipe body, the conveying pipe body is composed of a diameter reduction section and a circular pipe section, the diameter reduction section and the circular pipe section are of an integrated structure, one end of the smaller outer diameter of the diameter reduction section is connected with the circular pipe section in a conducting manner, and one end of the larger outer diameter of the diameter reduction section is connected with the liquid inlet pipe in a conducting manner;
conical spiral blades are welded on the inner wall of the diameter reduction section, strip-shaped spiral blades are welded on the inner wall of the circular pipe section, three strip-shaped spiral blades are arranged in total, and the three strip-shaped spiral blades are distributed in an annular equidistant manner;
When the fluid in the liquid inlet pipe enters the diameter reducing section and the circular pipe section, the fluid is driven to generate rotary flow through the conical spiral blades and the strip-shaped spiral blades, the paraffin removal ball in the fluid is driven to rotate, the paraffin removal ball sequentially enters the circular pipe section through the diameter reducing section, and the paraffin removal ball and the three strip-shaped spiral blades in the rotating state are scraped and rubbed with each other, so that impurities attached to the surface of the paraffin removal ball are automatically cleaned.
As a further description of the above technical solution: the ball collecting mechanism comprises a ball collecting box and a sealing cover, the sealing cover is sealed and fixed at an opening at the upper part of the ball collecting box, one end of a raw material diameter reduction section in a circular pipe section is connected with the ball collecting box in a conducting mode, two rotating shafts are connected in a rotating mode inside the ball collecting box, a conveying belt with a hollow structure is connected between the two rotating shafts in a winding mode, a plurality of separation net plates are arranged on the outer wall of the conveying belt, and an independent storage space is formed by two adjacent separation net plates, the conveying belt and the inner wall of the ball collecting box and used for collecting wax-cleaning balls one by one.
As a further description of the above technical solution: the outer wall of the ball collecting box is fixedly provided with a driving motor and a controller through bolts, an output shaft of the driving motor is fixedly connected with one of the rotating shafts through a coupler, and the driving motor is used for driving the conveying belt to rotate through the rotating shaft.
As a further description of the above technical solution: the top of the outer wall of the ball collecting box is connected with a first connecting pipe in a conducting mode, and the other end of the first connecting pipe is connected with a liquid outlet pipe in a conducting mode.
As a further description of the above technical solution: the side part of the outer wall of the ball collecting box is connected with a second connecting pipe in a conducting way, and the other end of the second connecting pipe is connected with a liquid outlet pipe in a conducting way.
As a further description of the above technical solution: the first connecting pipe and the second connecting pipe are respectively provided with an isolation net at the joint of the ball collecting box and the first connecting pipe, the second connecting pipe and the second connecting pipe, and the isolation net is used for blocking paraffin removal balls from entering the first connecting pipe or the second connecting pipe, and the first electromagnetic valve and the second electromagnetic valve are respectively arranged on the first connecting pipe and the second connecting pipe.
The automatic cleaning ball intelligent collecting method of the pipeline cleaning device is realized based on the automatic cleaning ball intelligent collecting device of the pipeline cleaning device and comprises the following steps:
Collecting historical ball collecting parameters of an automatic cleaning ball intelligent receiving device of the pipeline cleaning device, wherein the historical ball collecting parameters are collected under the condition that paraffin removal balls are normally collected, and comprise pipeline body comprehensive parameters and ball collecting interval time data, and the pipeline body comprehensive parameters comprise pipeline length data and inner diameter data, pipeline inner fluid flow rate data, ball throwing time data, paraffin removal ball quality and outer diameter data;
Training a machine learning model for predicting the ball receiving interval time based on the historical ball receiving parameters, collecting real-time pipe body comprehensive parameters, and predicting the ball receiving interval time data based on the machine learning model after training;
based on the predicted ball receiving interval time data, sending an instruction to a controller, controlling the second ball valve to be closed, opening the first ball valve, and collecting paraffin removal balls through a ball receiving mechanism;
The camera installed on the ball collecting box is used for collecting image data information of an independent storage space relative to the circular tube section, the collected image data information of the independent storage space is input into a training-completed ball-presence or ball-absence recognition machine learning model, no command is generated when no ball exists in the collected image data information of the independent storage space, the driving motor is controlled to rotate once at equal angles when the ball exists in the collected image data information of the independent storage space, the next independent storage space is driven to move to a position relative to the circular tube section for receiving wax-cleaning balls, accordingly one-by-one collection is completed, and the number of the wax-cleaning balls is obtained by recording the rotation times of the driving motor.
As a further description of the above technical solution: the method for training the machine learning model for predicting the ball receiving interval time comprises the following steps:
converting the collected historical ball collecting parameters into a corresponding group of characteristic vectors;
Taking the pipe body comprehensive parameters in the historical pipe body comprehensive parameters as input of a machine learning model, taking the ball receiving interval time data corresponding to each group of pipe body comprehensive parameters as output of the machine learning model, taking the ball receiving interval time data actually corresponding to each group of pipe body comprehensive parameters as a prediction target, taking a minimized machine learning model loss function value as a training target, and stopping training when the machine learning model loss function value is smaller than or equal to a preset target loss value; the machine learning model is a deep belief network model.
As a further description of the above technical solution: the training method of the ball-presence or ball-absence recognition machine learning model comprises the following steps:
Collecting image data information of i independent storage spaces of history, setting labels for the image data information of i independent storage spaces, namely, the labels are ball-bearing and ball-free, converting the labels into digital labels, marking the ball-bearing as 1, marking the ball-free as 0 in the example, forming a group of training data by the image data information of the independent storage spaces and the labels corresponding to the image data information of the independent storage spaces, forming a sample set by X groups of training data, dividing the sample set into a training set and a test set, wherein X is an integer larger than 1; taking image data information of an independent storage space in a training set as input of a ball-presence or ball-absence recognition machine learning model, taking a label in the training set as output of the ball-presence or ball-absence recognition machine learning model, training the ball-presence or ball-absence recognition machine learning model to obtain an initial ball-presence or ball-absence recognition machine learning model, evaluating the initial ball-presence or ball-absence recognition machine learning model by using a test set with the minimum sum of prediction errors as a training target, and taking the initial ball-presence or ball-absence recognition machine learning model when the sum of the prediction errors reaches convergence as a constructed ball-presence or ball-absence recognition machine learning model; the ball-less recognition machine learning model is a deep neural network model.
Advantageous effects
According to the automatic cleaning ball intelligent throwing and collecting device of the pipeline cleaning device, when the automatic cleaning ball intelligent throwing and collecting device belongs to a time period for collecting the cleaning balls, the second ball valve is controlled to be closed at the moment, the first ball valve is opened, fluid in a pipeline and the cleaning balls enter the cleaning and conveying mechanism through the liquid inlet pipe, when the fluid in the liquid inlet pipe enters the diameter reduction section and the circular pipe section, the tapered spiral blades and the strip-shaped spiral blades drive the fluid to generate rotary flow, the cleaning balls in the fluid are driven to rotate, the cleaning balls sequentially enter the circular pipe section through the arrangement of the diameter reduction section, the cleaning balls and the three strip-shaped spiral blades in a rotary state are rubbed with each other, impurities attached to the surfaces of the cleaning balls are automatically cleaned without kinetic energy, the surface cleaning of the cleaning balls is automatically realized, and the cleaning balls are sequentially conveyed through the arrangement of the diameter reduction section and the circular pipe section.
Drawings
The invention is further explained below with reference to the drawings and examples:
FIG. 1 is a front view of an intelligent automatic cleaning ball receiving device for a pipeline cleaning device provided by the invention;
FIG. 2 is a schematic diagram of the automatic cleaning ball intelligent collecting device of the pipeline cleaning device;
FIG. 3 is a cross-sectional view of a cleaning delivery mechanism provided by the present invention;
FIG. 4 is a schematic structural view of the ball receiving mechanism according to the present invention;
fig. 5 is a front view of the ball receiving mechanism provided by the invention.
In the figure: 1. a liquid inlet pipe; 101. a first ball valve; 2. a liquid outlet pipe; 201. a second ball valve; 3. cleaning a conveying mechanism; 301. a reducing section; 302. a circular pipe section; 303. conical helical blades; 304. a strip-shaped helical blade; 4. a ball collecting mechanism; 401. a driving motor; 402. a controller; 403. a ball collecting box; 404. sealing cover; 405. a rotating shaft; 406. a conveyor belt; 407. a separation screen; 5. a first connection pipe; 501. a first electromagnetic valve; 6. a second connection pipe; 601. a second electromagnetic valve; 7. wax cleaning ball.
Detailed Description
The application is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the application easy to understand. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
Example 1
Referring to fig. 1 to 5, the embodiment of the present invention provides a technical solution: the automatic cleaning ball intelligent receiving device of the pipeline cleaning device is applied to ball receiving devices for cleaning oil field pipelines and comprises a main pipe body connected to the oil field pipelines, wherein the main pipe body consists of a liquid inlet pipe 1 and a liquid outlet pipe 2 which are mutually communicated, and a second ball valve 201 is arranged between the liquid inlet pipe 1 and the liquid outlet pipe 2;
the liquid inlet pipe 1 is also connected with a cleaning and conveying mechanism 3 in parallel, which is used for driving the paraffin removal ball 7 in the oilfield pipeline to rotate and synchronously scraping and cleaning impurities attached to the surface of the paraffin removal ball 7;
the other end of the cleaning and conveying mechanism 3 is communicated with a ball collecting mechanism 4, and the ball collecting mechanism 4 is used for collecting paraffin removal balls 7 passing through the cleaning and conveying mechanism 3 one by one.
A first ball valve 101 is arranged at the joint of the cleaning and conveying mechanism 3 and the liquid inlet pipe 1;
The cleaning and conveying mechanism 3 comprises a conveying pipe body, the conveying pipe body consists of a diameter reduction section 301 and a circular pipe section 302, the diameter reduction section 301 and the circular pipe section 302 are of an integrated structure, one end of the diameter reduction section 301 with smaller outer diameter is connected with the circular pipe section 302 in a conducting way, and one end of the diameter reduction section 301 with larger outer diameter is connected with the liquid inlet pipe 1 in a conducting way;
Conical helical blades 303 are welded on the inner wall of the diameter-reducing section 301, strip helical blades 304 are welded on the inner wall of the circular tube section 302, three strip helical blades 304 are arranged in total, and the three strip helical blades 304 are distributed in an annular equidistant manner;
When the fluid in the liquid inlet pipe 1 enters the diameter reduction section 301 and the circular pipe section 302, the fluid is driven to generate rotary flow through the conical spiral blades 303 and the strip-shaped spiral blades 304, the paraffin removal balls 7 in the fluid are driven to rotate, the paraffin removal balls 7 sequentially enter the circular pipe section 302 through the diameter reduction section 301, and the paraffin removal balls 7 in the rotating state and the three strip-shaped spiral blades 304 are mutually scraped and rubbed, so that impurities attached to the surface of the paraffin removal balls 7 are automatically cleaned.
The ball collecting mechanism 4 comprises a ball collecting box 403 and a sealing cover 404, wherein the sealing cover 404 is fixed at an opening at the upper part of the ball collecting box 403 in a sealing way, one end of a raw material diameter-reducing section 301 in a circular tube section 302 is connected with the ball collecting box 403 in a conducting way, two rotating shafts 405 are connected in a rotating way inside the ball collecting box 403, a conveying belt 406 with a hollow structure is connected between the two rotating shafts 405 in a winding way, a plurality of separation net plates 407 are arranged on the outer wall of the conveying belt 406, and an independent storage space is formed by the two adjacent separation net plates 407, the conveying belt 406 and the inner wall of the ball collecting box 403 and used for collecting wax cleaning balls 7 one by one.
A driving motor 401 and a controller 402 are fixed on the outer wall of the ball collecting box 403 through bolts, an output shaft of the driving motor 401 is fixedly connected with one of the rotating shafts 405 through a coupler, and the driving motor 401 is used for driving a conveying belt 406 to rotate through the rotating shaft 405.
Specifically, when the automatic cleaning ball intelligent throwing and collecting device of the pipeline cleaning device is used, and does not belong to the time period of collecting the paraffin cleaning ball 7 or does not need to collect the paraffin cleaning ball 7, the second ball valve 201 is opened at the moment, the first ball valve 101 is closed, fluid in an oilfield pipeline is directly discharged through the liquid inlet pipe 1 and the liquid outlet pipe 2, and the cleaning and conveying mechanism 3 and the ball collecting mechanism 4 are not needed, so that the kinetic energy loss of the fluid is reduced, and the conveying efficiency of the fluid is improved;
When the device belongs to a period of collecting the paraffin removal balls 7, the second ball valve 201 is controlled to be closed, the first ball valve 101 is opened, fluid in a pipeline and the paraffin removal balls 7 enter the cleaning and conveying mechanism 3 through the liquid inlet pipe 1, when the fluid in the liquid inlet pipe 1 enters the diameter reduction section 301 and the circular pipe section 302, the fluid is driven to generate rotary flow through the conical spiral blades 303 and the strip-shaped spiral blades 304 to drive the paraffin removal balls 7 in the fluid to rotate, the paraffin removal balls 7 sequentially enter the circular pipe section 302 through the arrangement of the diameter reduction section 301, and the paraffin removal balls 7 and the three strip-shaped spiral blades 304 in the rotary state are mutually scraped one by one to automatically clean impurities attached to the surface of the paraffin removal balls 7 without setting kinetic energy for cleaning the paraffin removal balls 7, and the paraffin removal balls 7 are automatically cleaned on the surface through the arrangement of the diameter reduction section 301 and the circular pipe section 302, so that the paraffin removal balls 7 sequentially pass through the diameter reduction section 301 and the circular pipe section 302, and the subsequent ball collecting mechanism 4 are also convenient to collect the paraffin removal balls 7 one by one;
When collecting the wax removal ball 7, after the wax removal ball 7 passes through the circular pipe section 302, the wax removal ball can enter the ball collecting box 403, and be located in two separation screen plates 407, the conveyer belt 406 and the inner wall of the ball collecting box 403 form an independent storage space, then the intermittent type rotation of the equiangle of control driving motor 401 drives a plurality of independent storage spaces in proper order and moves to the position relative to the circular pipe section 302, collect the wax removal ball 7 one by one, adopt foretell collection mode, overcome prior art, collect all the wax removal ball 7 concentratedly, easily cause the problem that the wax removal ball 7 blocks up whole pipeline and valve, influence its stability of using, and adopt foretell collection mode, can obtain the number of collecting the wax removal ball 7, be convenient for accomplish after collecting, control fluid need not to clear up conveying mechanism 3 and ball collecting mechanism 4 again, reduce the kinetic energy loss of fluid, improve the conveying efficiency of fluid.
Example 2
Referring to fig. 1 and 2, this embodiment further adds the first connecting pipe 5 and the second connecting pipe 6 on the basis of the above embodiment, the top of the outer wall of the ball receiving box 403 is connected with the first connecting pipe 5 in a conducting manner, the other end of the first connecting pipe 5 is connected with the liquid outlet pipe 2 in a conducting manner, the side part of the outer wall of the ball receiving box 403 is connected with the second connecting pipe 6 in a conducting manner, the other end of the second connecting pipe 6 is connected with the liquid outlet pipe 2 in a conducting manner, the connection parts of the first connecting pipe 5 and the second connecting pipe 6 and the ball receiving box 403 are both provided with isolation nets for blocking the paraffin balls 7 from entering the first connecting pipe 5 or the second connecting pipe 6, and the first electromagnetic valve 501 and the second electromagnetic valve 601 are respectively arranged on the first connecting pipe 5 and the second connecting pipe 6.
Specifically, on the basis of the above embodiment, when the wax removing ball 7 is collected by the ball collecting mechanism 4, fluid will also enter the ball collecting box 403 through the circular pipe section 302, then be discharged to the liquid outlet pipe 2 through the first connecting pipe 5, be discharged through the liquid outlet pipe 2, and be used by opening the second electromagnetic valve 601 on the second connecting pipe 6 when the first connecting pipe 5 fails or is blocked, and be delivered to the liquid outlet pipe 2 through the second connecting pipe 6, and be discharged through the liquid outlet pipe 2.
Example 3
Referring to fig. 1-5, the automatic cleaning ball intelligent collecting method of the pipeline cleaning device is realized based on the automatic cleaning ball intelligent collecting device of the pipeline cleaning device and comprises the following steps:
Collecting historical ball collecting parameters of an automatic cleaning ball intelligent receiving device of the pipeline cleaning device, wherein the historical ball collecting parameters are collected under the condition that paraffin removal balls 7 are normally collected, and comprise pipeline body comprehensive parameters and ball collecting interval time data, and the pipeline body comprehensive parameters comprise pipeline length data and inner diameter data, pipeline inner fluid flow rate data, ball throwing time data and paraffin removal ball 7 quality and outer diameter data;
Training a machine learning model for predicting the ball receiving interval time based on the historical ball receiving parameters, collecting real-time pipe body comprehensive parameters, and predicting the ball receiving interval time data based on the machine learning model after training;
Based on the predicted ball receiving interval time data, an instruction is sent to the controller 402 to control the second ball valve 201 to be closed, the first ball valve 101 to be opened, and the wax cleaning ball 7 is collected through the ball receiving mechanism 4;
The camera installed on the ball collecting box 403 is used for collecting image data information of an independent storage space opposite to the circular tube section 302, the collected image data information of the independent storage space is input into a training-completed ball-presence or ball-absence recognition machine learning model, no command is generated when no ball exists in the collected image data information of the independent storage space, the driving motor 401 is controlled to rotate once at equal angles when a ball exists in the collected image data information of the independent storage space, the next independent storage space is driven to move to a position opposite to the circular tube section 302 for receiving the paraffin balls 7, accordingly, the collection is completed one by one, and the number of the paraffin balls 7 is collected by recording the rotation times of the driving motor 401.
Specifically, according to the automatic cleaning ball intelligent throwing and collecting method of the pipeline cleaning device, a machine learning model for predicting ball collecting interval time is trained through collecting historical ball collecting parameters, then real-time comprehensive parameters of a pipe body are collected, ball collecting interval time data is predicted based on the trained machine learning model, then whether fluid in an oilfield pipeline passes through the cleaning and conveying mechanism 3 and the ball collecting mechanism 4 or not is controlled based on the ball collecting interval time data, namely, when the fluid does not belong to the ball collecting time, the fluid in the oilfield pipeline can be controlled to be directly discharged through the liquid inlet pipe 1 and the liquid outlet pipe 2, the kinetic energy loss of the fluid is reduced, and the conveying efficiency of the fluid is improved.
Further, the number of the collected paraffin balls 7 is obtained by recording the rotation times of the driving motor 401 and is compared with the number of the put paraffin balls 7, when the number of the collected paraffin balls 7 is consistent with the number of the put paraffin balls 7, the fluid in the oilfield pipeline is directly controlled to be discharged through the liquid inlet pipe 1 and the liquid outlet pipe 2 at the moment, the cleaning conveying mechanism 3 and the ball collecting mechanism 4 are not needed, the kinetic energy loss of the fluid is reduced, and the conveying efficiency of the fluid is improved.
The method for training the machine learning model for predicting the ball receiving interval time comprises the following steps:
converting the collected historical ball collecting parameters into a corresponding group of characteristic vectors;
Taking the pipe body comprehensive parameters in the historical pipe body comprehensive parameters as input of a machine learning model, taking the ball receiving interval time data corresponding to each group of pipe body comprehensive parameters as output of the machine learning model, taking the ball receiving interval time data actually corresponding to each group of pipe body comprehensive parameters as a prediction target, taking a minimized machine learning model loss function value as a training target, stopping training when the machine learning model loss function value is smaller than or equal to a preset target loss value, wherein the machine learning model is a deep belief network model, and the calculation formula of the loss function value in the machine learning model is as follows: Wherein, the method comprises the steps of, wherein, Is the number of the characteristic data (i.e. the pipe body comprehensive parameters),In order to achieve a value of the loss function,Is the firstThe predicted state value corresponding to the group characteristic data is the ball receiving interval time,Is the firstThe actual state value corresponding to the set of training data.
The training method of the ball-presence recognition machine learning model comprises the following steps:
Collecting image data information of i independent storage spaces of history, setting labels for the image data information of i independent storage spaces, namely, the labels are ball-bearing and ball-free, converting the labels into digital labels, marking the ball-bearing as 1, marking the ball-free as 0 in the example, forming a group of training data by the image data information of the independent storage spaces and the labels corresponding to the image data information of the independent storage spaces, forming a sample set by X groups of training data, dividing the sample set into a training set and a test set, wherein X is an integer larger than 1; taking image data information of an independent storage space in a training set as input of a ball-presence or ball-absence recognition machine learning model, taking a label in the training set as output of the ball-presence or ball-absence recognition machine learning model, training the ball-presence or ball-absence recognition machine learning model to obtain an initial ball-presence or ball-absence recognition machine learning model, evaluating the initial ball-presence or ball-absence recognition machine learning model by using a test set with the minimum sum of prediction errors as a training target, and taking the initial ball-presence or ball-absence recognition machine learning model when the sum of the prediction errors reaches convergence as a constructed ball-presence or ball-absence recognition machine learning model; the ball-less recognition machine learning model is a deep neural network model. In the machine learning model for ball-free recognition, the calculation formula of the prediction error is as follows: Wherein, the method comprises the steps of, wherein, Is the number of the feature data (i.e. the image data information of the independent storage space),In order to predict the error of the signal,Is the firstThe predicted state value corresponding to the group characteristic data, the state value is whether a ball exists or not,Is the firstThe actual state value corresponding to the set of training data.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, and that the foregoing embodiments and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications fall within the scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The automatic cleaning ball intelligent receiving device of the pipeline cleaning device is applied to the ball receiving device for cleaning the oil field pipeline, and is characterized by comprising a main pipe body connected to the oil field pipeline, wherein the main pipe body consists of a liquid inlet pipe (1) and a liquid outlet pipe (2) which are communicated with each other, and a second ball valve (201) is arranged between the liquid inlet pipe (1) and the liquid outlet pipe (2);
the liquid inlet pipe (1) is also connected with a cleaning and conveying mechanism (3) in parallel, and the cleaning and conveying mechanism is used for driving the paraffin removal ball (7) in the oilfield pipeline to rotate and synchronously scraping and cleaning impurities attached to the surface of the paraffin removal ball (7);
The other end of the cleaning and conveying mechanism (3) is communicated with a ball collecting mechanism (4), and the ball collecting mechanism (4) is used for collecting paraffin removal balls (7) passing through the cleaning and conveying mechanism (3) one by one;
A first ball valve (101) is arranged at the joint of the cleaning and conveying mechanism (3) and the liquid inlet pipe (1);
The cleaning and conveying mechanism (3) comprises a conveying pipe body, the conveying pipe body is composed of a diameter reduction section (301) and a circular pipe section (302), the diameter reduction section (301) and the circular pipe section (302) are of an integrated structure, one end of the diameter reduction section (301) with smaller outer diameter is connected with the circular pipe section (302) in a conducting mode, and one end of the diameter reduction section (301) with larger outer diameter is connected with the liquid inlet pipe (1) in a conducting mode;
Conical spiral blades (303) are welded on the inner wall of the diameter reduction section (301), strip-shaped spiral blades (304) are welded on the inner wall of the circular tube section (302), three strip-shaped spiral blades (304) are arranged in total, and the three strip-shaped spiral blades (304) are distributed in an annular equidistant mode;
When fluid in the liquid inlet pipe (1) enters the diameter reducing section (301) and the circular pipe section (302), the fluid is driven to rotate through the conical spiral blades (303) and the strip-shaped spiral blades (304), the paraffin removal balls (7) in the fluid are driven to rotate, the paraffin removal balls (7) sequentially enter the circular pipe section (302) through the diameter reducing section (301), and the paraffin removal balls (7) and the three strip-shaped spiral blades (304) in the rotating state are scraped and rubbed with each other to automatically clean impurities attached to the surface of the paraffin removal balls (7);
The ball collecting mechanism (4) comprises a ball collecting box (403) and a sealing cover (404), the sealing cover (404) is fixed at the opening of the upper part of the ball collecting box (403), one end of a raw material diameter-reducing section (301) in a circular tube section (302) is connected with the ball collecting box (403) in a conducting mode, two rotating shafts (405) are connected to the inner part of the ball collecting box (403) in a rotating mode, a conveying belt (406) with a hollow structure is connected between the two rotating shafts (405) in a winding mode, a plurality of separation net plates (407) are arranged on the outer wall of the conveying belt (406), and an independent storage space is formed in the inner wall of the adjacent two separation net plates (407), the conveying belt (406) and the inner wall of the ball collecting box (403) and used for collecting wax balls (7) one by one.
2. The automatic cleaning ball intelligent receiving device of the pipeline cleaning device according to claim 1, wherein a driving motor (401) and a controller (402) are fixed on the outer wall of the ball receiving box (403) through bolts, an output shaft of the driving motor (401) is fixedly connected with one of the rotating shafts (405) through a coupler, and the driving motor (401) is used for driving a conveying belt (406) to rotate through the rotating shaft (405).
3. The automatic cleaning ball intelligent receiving device of the pipeline cleaning device according to claim 2, wherein a first connecting pipe (5) is connected to the top of the outer wall of the ball receiving box (403) in a conducting manner, and the other end of the first connecting pipe (5) is connected to the liquid outlet pipe (2) in a conducting manner.
4. An automatic cleaning ball intelligent receiving device of a pipeline cleaning device according to claim 3, characterized in that the side part of the outer wall of the ball receiving box (403) is connected with a second connecting pipe (6) in a conducting way, and the other end of the second connecting pipe (6) is connected with a liquid outlet pipe (2) in a conducting way.
5. The automatic cleaning ball intelligent receiving device of the pipeline cleaning device according to claim 4, wherein isolation nets are arranged at the connection positions of the first connecting pipe (5) and the second connecting pipe (6) and the ball receiving box (403) and used for blocking the paraffin cleaning balls (7) from entering the first connecting pipe (5) or the second connecting pipe (6), and a first electromagnetic valve (501) and a second electromagnetic valve (601) are respectively arranged on the first connecting pipe (5) and the second connecting pipe (6).
6. An automatic cleaning ball intelligent collecting method of a pipeline cleaning device, which is realized based on the automatic cleaning ball intelligent collecting device of the pipeline cleaning device according to any one of claims 3-5, and is characterized by comprising the following steps:
Collecting historical ball collecting parameters of an automatic cleaning ball intelligent collecting device of the pipeline cleaning device, wherein the historical ball collecting parameters are collected under the condition that paraffin removal balls (7) are normally collected, and the historical ball collecting parameters comprise pipeline body comprehensive parameters and ball collecting interval time data, wherein the pipeline body comprehensive parameters comprise pipeline length data and inner diameter data, pipeline fluid flow velocity data, ball throwing time data and paraffin removal ball (7) quality and outer diameter data;
Training a machine learning model for predicting the ball receiving interval time based on the historical ball receiving parameters, collecting real-time pipe body comprehensive parameters, and predicting the ball receiving interval time data based on the machine learning model after training;
based on the predicted ball receiving interval time data, sending an instruction to a controller (402), controlling the second ball valve (201) to be closed, opening the first ball valve (101), and collecting wax-cleaning balls (7) through a ball receiving mechanism (4);
the camera installed on the ball collecting box (403) is used for collecting image data information of an independent storage space opposite to the circular tube section (302), the collected image data information of the independent storage space is input into a training-completed ball-presence or ball-absence identification machine learning model, no command is generated when no ball exists in the collected image data information of the independent storage space, the driving motor (401) is controlled to rotate once at equal angles when a ball exists in the collected image data information of the independent storage space, the next independent storage space is driven to move to a position opposite to the circular tube section (302) for receiving wax cleaning balls (7), accordingly, one-by-one collection is completed, and the number of the collected wax cleaning balls (7) is obtained by recording the rotation times of the driving motor (401).
7. The method for intelligent ball-and-socket automatic cleaning of pipeline pig device according to claim 6, wherein the method for training a machine learning model for predicting ball-socket time interval comprises:
converting the collected historical ball collecting parameters into a corresponding group of characteristic vectors;
Taking the pipe body comprehensive parameters in the historical pipe body comprehensive parameters as input of a machine learning model, taking the ball receiving interval time data corresponding to each group of pipe body comprehensive parameters as output of the machine learning model, taking the ball receiving interval time data actually corresponding to each group of pipe body comprehensive parameters as a prediction target, taking a minimized machine learning model loss function value as a training target, and stopping training when the machine learning model loss function value is smaller than or equal to a preset target loss value; the machine learning model is a deep belief network model.
8. The method for intelligent ball-and-socket automatic cleaning of a pipeline pig device according to claim 6, wherein the training method for the ball-and-socket identification machine learning model comprises the following steps:
Collecting image data information of i independent storage spaces of history, setting labels for the image data information of i independent storage spaces, namely, the labels are ball-bearing and ball-free, converting the labels into digital labels, forming a group of training data by the image data information of the independent storage spaces and the labels corresponding to the image data information of the independent storage spaces, forming a sample set by X groups of training data, dividing the sample set into a training set and a test set, wherein X is an integer larger than 1; taking image data information of an independent storage space in a training set as input of a ball-presence or ball-absence recognition machine learning model, taking a label in the training set as output of the ball-presence or ball-absence recognition machine learning model, training the ball-presence or ball-absence recognition machine learning model to obtain an initial ball-presence or ball-absence recognition machine learning model, evaluating the initial ball-presence or ball-absence recognition machine learning model by using a test set with the minimum sum of prediction errors as a training target, and taking the initial ball-presence or ball-absence recognition machine learning model when the sum of the prediction errors reaches convergence as a constructed ball-presence or ball-absence recognition machine learning model; the ball-less recognition machine learning model is a deep neural network model.
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| CN201969713U (en) * | 2011-03-14 | 2011-09-14 | 西安长庆科技工程有限责任公司 | Heating ball collection device |
| CN219080536U (en) * | 2023-01-12 | 2023-05-26 | 湖南省第八工程有限公司 | Discharge cleaning device convenient to sewer line |
| CN219664653U (en) * | 2023-05-25 | 2023-09-12 | 青岛胶林橡胶制品有限公司 | Receiving device of paraffin removal ball |
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| CN117816676A (en) * | 2024-03-01 | 2024-04-05 | 陕西百豪科技发展有限责任公司 | Intelligent ball-throwing and collecting pipe cleaning device |
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| CN201969713U (en) * | 2011-03-14 | 2011-09-14 | 西安长庆科技工程有限责任公司 | Heating ball collection device |
| CN219080536U (en) * | 2023-01-12 | 2023-05-26 | 湖南省第八工程有限公司 | Discharge cleaning device convenient to sewer line |
| CN219664653U (en) * | 2023-05-25 | 2023-09-12 | 青岛胶林橡胶制品有限公司 | Receiving device of paraffin removal ball |
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