CN113000509A - Pipeline cleaner and pipeline cleaning method - Google Patents
Pipeline cleaner and pipeline cleaning method Download PDFInfo
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- CN113000509A CN113000509A CN201911329041.4A CN201911329041A CN113000509A CN 113000509 A CN113000509 A CN 113000509A CN 201911329041 A CN201911329041 A CN 201911329041A CN 113000509 A CN113000509 A CN 113000509A
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- pipeline
- pressure
- sealing ring
- guide hole
- gas
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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
- B08B9/055—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 conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
- B08B9/0551—Control mechanisms therefor
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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
- B08B9/055—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 conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
- B08B9/0558—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 conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles with additional jet means
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- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The disclosure provides a pipeline cleaner and a pipeline cleaning method, and belongs to the technical field of pipeline cleaning. The pipeline cleaner is placed into the pipeline to be cleaned, the outer wall of the sealing ring in the cleaning assembly is sealed with the inner wall of the pipeline to be cleaned, and the air guide hole is closed by the switch assembly. Pressure gas is applied to a mounting seat in the cleaning assembly, the two sides of the sealing ring are not communicated, and the pressure on one side of the sealing ring drives the pipeline cleaner to move. When the pipeline cleaner is plugged up by impurity, the pressure gas of sealing ring one side continuously acts on the mount pad, the pressure of sealing ring one side risees gradually, after the pressure of sealing ring one side risees to certain degree, the gas guide hole is opened to the switch module, the both sides of gas guide hole intercommunication sealing ring, the high-pressure gas of sealing ring one side is followed the high-speed blowout of opposite side of sealing ring behind the gas guide hole, the impurity of plugging up the mount pad is spouted away by high-pressure gas, the pipeline cleaner can continue to move and release impurity and treat the clearance pipeline.
Description
Technical Field
The disclosure relates to the technical field of pipeline cleaning, in particular to a pipeline cleaner and a pipeline cleaning method.
Background
Pipelines are a means of transportation for transporting petroleum, coal and chemical products from a production site to a market. Certain impurities can be accumulated on the inner wall of the pipeline in the production and operation processes of the pipeline. Therefore, the pipeline needs to be cleaned regularly by using a cleaner so as to ensure that the purity of the transport medium in the pipeline is not influenced by impurities.
In the related art, the cleaner enters the pipeline, pressure gas is applied to the rear of the cleaner to push the cleaner to advance, and the cleaner advances to push impurities out of the pipeline to clean the pipeline. When the cleaner reaches a place where impurities are accumulated seriously in the pipeline, the pressure of the pressure gas is possibly insufficient to overcome the resistance of the impurities, and the cleaner is easy to block and cannot push the impurities out of the pipeline continuously.
Disclosure of Invention
The embodiment of the disclosure provides a pipeline cleaner and a pipeline cleaning method, which can solve the problem of blockage of the cleaner when the cleaner is blocked and enable the cleaner to continuously push impurities out of a pipeline. The technical scheme is as follows:
the embodiment of the present disclosure provides a pipe cleaner, the pipe cleaner includes:
the cleaning assembly comprises a mounting seat and a sealing ring arranged in the middle of the mounting seat in a sealing manner by a sealing sleeve, the sealing ring is configured to be in sliding sealing connection with the inner wall of the pipeline, an air guide hole is formed in the mounting seat, and the air inlet end and the air outlet end of the air guide hole are respectively positioned at two ends of the mounting seat;
a switch assembly on the mount, the switch assembly configured to open or close the air-guide hole.
Optionally, a pressure gas buffer groove is formed in an end face of one end of the mounting seat, and a gas inlet end of the gas guide hole is communicated with the pressure gas buffer groove.
Optionally, the gas inlet end of the gas guide hole is communicated with the side wall of the pressure gas buffer groove.
Optionally, the switch assembly includes a cover plate, a driving member and a baffle plate, the cover plate is located at one end of the mounting seat, the cover plate is provided with a through hole communicated with the pressure gas buffer tank, the driving member and the baffle plate are located in the pressure gas buffer tank, the driving member is fixed on the bottom surface of the pressure gas buffer tank, the driving end of the driving member is connected to the baffle plate, and the driving member is configured to drive the baffle plate to move towards the cover plate to block the through hole or drive the baffle plate to be away from the cover plate to open the through hole.
Optionally, the switch module includes driving piece, dwang and annular connecting plate, the driving piece is fixed in on the bottom surface of pressurized gas dashpot, the drive end of driving piece with the dwang is coaxial fixed, annular connecting plate is coaxial to be fixed on the dwang, the outer wall of annular connecting plate with the lateral wall of pressurized gas dashpot pastes mutually, the air guide hole intercommunication mouth that has a plurality of equipartitions on the annular connecting plate.
Optionally, the switch assembly further comprises a pressure detector configured to detect gas pressures on both sides of the seal ring in the axial direction,
the processor is configured to drive the driver to move to open the gas vent when a pressure difference across the sealing ring is greater than an upper threshold pressure and to drive the driver to move to close the gas vent when the pressure difference across the sealing ring is less than a lower threshold pressure.
Optionally, the mounting seat is cylindrical, the mounting seat is provided with a plurality of air guide holes, and the air guide holes are uniformly distributed at intervals along the circumferential direction of the mounting seat.
Optionally, the air outlet end of the air guide hole is located on the outer peripheral wall of the mounting seat.
Optionally, the pipeline cleaner further includes a plurality of nozzles corresponding to the plurality of air guide holes one to one, one end of each nozzle is communicated with an air outlet end of the air guide hole, axes of the plurality of nozzles are all on the same plane, and the plane is perpendicular to the axis of the mounting seat.
The embodiment of the disclosure provides a pipeline cleaning method, which is implemented by using the pipeline cleaner as claimed in the claims, and the pipeline cleaning method comprises the following steps: placing the pipeline cleaner into a pipeline to be cleaned, so that the outer wall of the sealing ring is in slidable sealing connection with the inner wall of the pipeline to be cleaned, and the switch assembly closes the air guide hole;
applying pressurized gas to the mount from a side of the seal ring;
if the pressure difference between one side of the sealing ring and the other side of the sealing ring is larger than the upper limit threshold pressure, the switch assembly opens the gas guide hole, so that the pressure gas is sprayed out of the gas outlet end of the gas guide hole at a high speed to clean impurities;
and if the pressure difference between one side of the sealing ring and the other side of the sealing ring is smaller than the lower threshold pressure, the switch assembly closes the air guide hole.
The technical scheme provided by the embodiment of the disclosure has the following beneficial effects: the pipeline cleaner is placed into a pipeline to be cleaned, and the cleaning assembly comprises a mounting seat and a sealing ring which is arranged in the middle of the mounting seat in a sealing mode. The outer wall of the sealing ring in the cleaning assembly is in slidable sealing connection with the inner wall of the pipeline to be cleaned, and the air guide hole is closed by the switch assembly. Pressure gas is exerted from the mount pad in the sealing ring side direction clearance subassembly, and sealing ring one side does not communicate with each other with the sealing ring opposite side, and the pressure of sealing ring one side can order about the pipeline clearance ware and remove, and the sealing ring removes with the clearance pipeline of treating along with the pipeline clearance ware. When the pipeline cleaner is plugged up by impurities, the pressure gas on one side of the sealing ring can continuously act on the mounting seat, the pressure on one side of the sealing ring is enabled to gradually rise, after the pressure on one side of the sealing ring rises to a certain degree, the air guide hole is opened by the switch assembly, the air inlet end and the air outlet end of the air guide hole are respectively located at two ends of the mounting seat, the air guide hole is communicated with two sides of the sealing ring in the axial direction, the high-pressure gas on one side of the sealing ring is sprayed out from the other side of the sealing ring at a high speed, the impurities plugging up the mounting seat are sprayed away by the high-pressure gas, the pipeline cleaner can continuously move, the air guide hole is closed by the switch assembly, the pressure gas continuously applied on one side of the sealing ring pushes the mounting seat to continuously. The problem of when the pressure of pressure gas is not enough to overcome the resistance of impurity, the clearance ware blocks up and can not continue to push out the pipeline with impurity is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings used in the description of the embodiments will be briefly introduced,
FIG. 1 is a schematic structural diagram of a pipe cleaner provided in an embodiment of the present disclosure;
FIG. 2 is a front view of a pipe cleaner provided by an embodiment of the present disclosure;
FIG. 3 is a rear view of a pipe cleaner provided by an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a switch assembly provided by an embodiment of the present disclosure;
FIG. 5 is a side view of a switch assembly provided by an embodiment of the present disclosure;
FIG. 6 is a cross-sectional view of a pipe cleaner provided in accordance with an embodiment of the present disclosure;
fig. 7 is a flowchart of a pipe cleaning method according to an embodiment of the disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a pipe cleaner according to an embodiment of the present disclosure, and as shown in fig. 1, the pipe cleaner includes: a cleaning assembly 1 and a switch assembly 2. The cleaning assembly 1 comprises a mounting seat 11 and a sealing ring 12 arranged in the middle of the mounting seat 11 in a sealing manner, the sealing ring 12 is configured to be in slidable sealing connection with the inner wall of the pipeline, an air guide hole 111 is formed in the mounting seat 11, and the air inlet end and the air outlet end of the air guide hole 111 are respectively located at two ends of the mounting seat 11. The switch assembly 2 is located on the mount 11, and the switch assembly 2 is configured to open or close the air guide hole 111.
The pipeline cleaner is placed into a pipeline to be cleaned, and the cleaning assembly 1 comprises a mounting seat 11 and a sealing ring 12 which is arranged in the middle of the mounting seat 11 in a sealing mode. The outer wall of the sealing ring 12 in the cleaning assembly 1 is slidably and hermetically connected with the inner wall of the pipeline to be cleaned, and the air guide hole 111 is closed by the switch assembly 2. The installation seat 11 in the side direction cleaning assembly 1 of the sealing ring 12 is applied with pressure gas, one side of the sealing ring 12 is not communicated with the other side of the sealing ring 12, the pressure on one side of the sealing ring 12 can drive the pipeline cleaner to move, and the sealing ring 12 moves along with the pipeline cleaner to clean the pipeline to be cleaned. When the pipeline cleaner is blocked by impurities, the pressure gas on one side of the sealing ring 12 can continuously act on the mounting seat 11, so that the pressure on one side of the sealing ring 12 gradually rises, after the pressure on one side of the sealing ring 12 rises to a certain degree, the switch component 2 can open the gas guide hole 111, the gas inlet end and the gas outlet end of the gas guide hole 111 are respectively located at two ends of the mounting seat 11, the gas guide hole 111 is communicated with two axial sides of the sealing ring 12, the high-pressure gas on one side of the sealing ring 12 is sprayed out from the other side of the sealing ring 12 at a high speed after passing through the gas guide hole 111, the impurities blocking the mounting seat 11 are sprayed away by the high-pressure gas, the pipeline cleaner can continuously move, the gas guide hole 111 is closed by the switch component 2, the pressure gas continuously applied on one side of the sealing ring 12 pushes the mounting seat 11 to continuously move, and finally. The problem of when the pressure of pressure gas is not enough to overcome the resistance of impurity, the clearance ware blocks up and can not continue to push out the pipeline with impurity is solved.
As shown in fig. 1, in the embodiment of the present disclosure, the cleaning assembly 1 may include at least two sealing rings 12, and the at least two sealing rings 12 are spaced apart from each other and are disposed on the mounting seat 11.
This arrangement of the sealing rings 12 enables more effective pushing of impurities in the pipe to be cleaned and maintains the seal on both sides of the cleaning assembly 1.
Alternatively, the sealing ring 12 may be a cup. The sealing ring 12 is a cup which is easy to realize.
Fig. 2 is a front view of a pipeline cleaner provided in an embodiment of the present disclosure, and in conjunction with fig. 1 and fig. 2, a mounting seat 11 may be cylindrical, the mounting seat 11 has a plurality of air holes 111, and the plurality of air holes 111 are uniformly distributed at intervals along a circumferential direction of the mounting seat 11.
The mount pad 11 is cylindric, can be convenient for the pipeline cleaner get into treat the clearance pipeline in, and a plurality of air guide holes 111 along the even interval distribution of the circumference of mount pad 11, then can make from air guide holes 111 high-speed spun pressure gas evenly act on treating the inner wall of clearance pipeline, the effect of clearance impurity is better.
Alternatively, the number of the air holes 111 may be 8. The airflow ejected from the air vent 111 at this time is better for cleaning the dog from impurities.
In other implementations provided by the present disclosure, the number of the air holes 111 may also be 2, 5, 7, 10 or other numbers, which is not limited by the present disclosure.
In other implementations provided by the present disclosure, the plurality of air holes 111 may not be uniformly spaced along the circumferential direction of the mounting seat 11, and the present disclosure is not limited thereto.
Fig. 3 is a rear view of the pipe cleaner according to the embodiment of the present disclosure, and referring to fig. 1 and 3, an end surface of one end of the mounting seat 11 has a pressure gas buffer groove 112, and a gas inlet end of the gas guide hole 111 communicates with the pressure gas buffer groove 112.
The pressure gas buffer tank 112 can play a role in gathering pressure gas, so that the pressure gas can continuously enter the gas guide hole 111 from the pressure gas buffer tank 112, the condition of flow cutoff when the pressure gas is ejected from the gas guide hole 111 is avoided, and the cleaning effect of impurities is ensured.
Alternatively, the pressure gas buffer groove 112 may be a cylindrical groove coaxial with the mount 11.
The pressure gas buffer slot 112 is the cylindrical groove coaxial with the mounting base 11, the one end intercommunication of gas guide hole 111 is in pressure gas buffer slot 112, pressure gas buffer slot 112 can gather pressure gas comparatively evenly, the pressure gas of gathering can be more for getting into a plurality of gas guide holes 111 evenly in, and pressure gas then evenly spouts from a plurality of gas guide holes 111 in, guarantees that the mounting base 11 atress is stable, impurity also can be got rid of evenly to the pipeline cleaner is whole.
As shown in fig. 1 and 3, the switching member 2 may be disposed on a bottom surface 112a of the pressure gas buffer tank 112.
The switch component 2 is arranged in the pressure gas buffer tank 112, so that the impact which the switch component 2 can receive can be reduced when the gas guide hole 111 is conveniently opened and closed, and the service life of the pipeline cleaner is ensured.
Alternatively, the gas inlet end of the gas guide hole 111 may communicate with the side wall of the pressure gas buffer groove 112.
One end of the gas guide hole 111 is communicated with the side wall of the pressure gas buffer groove 112, so that the blocking of the switch component 2 installed on the bottom surface 112a of the pressure gas buffer groove 112 to the pressure gas can be reduced, the influence of the shielding of the switch component 2 on the pressure gas is small, the pressure gas can stably flow into the gas guide hole 111, and then the pressure gas is sprayed out from one end of the gas guide hole 111 far away from the switch component 2.
In a possible embodiment, referring to fig. 1 and 3, the switch assembly 2 may include a cover plate 21, a driving member 22 and a blocking plate 23, the cover plate 21 is located at one end of the mounting seat 11, the cover plate 21 has a through hole 211 communicating with the pressure gas buffer groove 112, the driving member 22 and the blocking plate 23 are located in the pressure gas buffer groove 112, the driving member 22 is fixed on the bottom surface 112a of the pressure gas buffer groove 112, the driving end of the driving member 22 is connected to the blocking plate 23, and the driving member 22 is configured to drive the blocking plate 23 to move toward the cover plate 21 to block the through hole 211 or drive the blocking plate 23 to move away from the cover plate 21 to open the through hole.
The cover plate 21 in the switch assembly 2 is connected to one end of the mounting seat 11, the driving member 22 and the baffle plate 23 in the switch assembly 2 are located in the pressure gas buffer groove 112, the driving member 22 is fixed on the bottom surface 112a of the pressure gas buffer groove 112, and the driving end of the driving member 22 drives the baffle plate 23 to open and close the through hole 112. When the through hole 112 is opened, the pressure gas can enter the pressure gas buffer tank 112 and then enter the gas guide hole 111, and when the through hole 112 is closed, the pressure gas can not enter the pressure gas buffer tank 112 and then can not enter the gas guide hole 111, so that the opening and closing of the gas guide hole 111 are realized.
Alternatively, the through-hole 211 may be a circular through-hole coaxial with the pressure gas buffer tank 112. The pressurized gas can be more uniformly introduced into the pressurized gas buffer container 112.
For example, the diameter of the circular through hole may be smaller than the diameter of the pressure gas buffer groove 112, and the driving member 22 may drive the baffle 23 to move along the axial direction of the circular through hole, so that the plate surface of the baffle 23 abuts against the cover plate 21 and blocks the circular through hole, or the baffle 23 is separated from the cover plate 21, and the circular through hole is opened.
The effect of the closed circular through hole of the baffle plate 23 in the arrangement is better, and the switch component 2 is convenient to install integrally.
In another embodiment provided by the present disclosure, a seal ring may be provided on the plate surface of the baffle plate 23 abutting against the cover plate 21. The sealing effect of the baffle 23 is enhanced.
Fig. 4 is a schematic structural diagram of a switch assembly provided by an embodiment of the present disclosure, and as shown in fig. 4, in another implementation manner provided by the present disclosure, the switch assembly 2 may include a driving member 22, a rotating rod 24 and an annular connecting plate 25.
Fig. 5 is a side view of a switch assembly according to an embodiment of the present disclosure, referring to fig. 4 and 5, a driving member 22 is fixed on a bottom surface 112a of a pressure gas buffer tank 112, an output end of the driving member 22 is coaxially fixed with a rotating rod 24, an annular connecting plate 25 is coaxially fixed on the rotating rod 24, an outer wall of the annular connecting plate 25 is attached to a side wall of the pressure gas buffer tank 112, and the annular connecting plate 25 has a plurality of uniformly distributed gas guide hole communicating ports 251.
In the structure, the rotating rod 24 can be controlled by the driving part 22 to rotate to drive the annular connecting plate 25 to rotate, so that the air guide hole communicating opening 251 on the annular connecting plate 25 is communicated with one end of the air guide hole 111, at this time, the air guide hole 111 is opened, or the outer wall of the annular connecting plate 25 seals one end of the air guide hole 111, at this time, the air guide hole 111 is sealed.
Alternatively, the driving member 22 may be a motor, and when the driving member 22 is a motor, the driving end of the driving member is an output shaft of the motor, and the output shaft of the motor may be vertically connected to the baffle 23 or coaxially connected to the rotating rod 24. The present disclosure is not so limited.
In the case that the switch assembly 2 includes the cover plate 21, the driving member 22, and the baffle 23, the driving member 22 may be a telescopic rod, and the driving end of the driving member 22 is the end of the telescopic rod connected to the baffle 23.
Illustratively, the switch assembly 2 may further include a pressure detector 26 and a processor 27, the pressure detector 26 being electrically connected to the processor 27. The pressure detector 26 detects gas pressures on both sides of the seal ring 12 in the axial direction, and transmits the gas pressures on both sides of the seal ring 12 in the axial direction to the processor 27. The processor 27 is configured to drive the driver 22 to move to open the gas vent 111 when the pressure differential across the seal ring 12 is greater than the upper threshold pressure and to drive the driver 22 to move to close the gas vent 111 when the pressure differential across the seal ring 12 is less than the lower threshold pressure.
The pressure detector 26 detects gas pressures on both sides of the seal ring 12 in the axial direction, and transmits the gas pressures on both sides of the seal ring 12 in the axial direction to the processor 27. When the cleaning assembly 1 cleans impurities in a pipeline, the processor 27 can drive the driving part 22 to move to open the air guide hole 111 when the pressure difference between two sides of the sealing ring 12 is greater than the upper limit threshold pressure, high-pressure gas on one side of the sealing ring 12 is sprayed out from the other side of the sealing ring 12 at a high speed after passing through the air guide hole 111, the impurities blocking the mounting seat 11 are sprayed away by the high-pressure gas, the pipeline cleaner can continue to move, meanwhile, the pressure difference between two sides of the sealing ring 12 gradually decreases, when the pressure difference between two sides of the sealing ring 12 decreases to be less than the lower limit threshold pressure, the processor 27 controls the driving part 22 to move to close the air guide hole 111, and the pressure gas pushes the mounting seat 11 to move at a stable. The automatic degree is higher, and the working state of the pipeline cleaner does not need to be manually controlled.
Alternatively, both the upper threshold pressure and the lower threshold pressure may be set artificially. The pipeline cleaner is convenient to adjust to adapt to cleaning different pipelines.
Alternatively, the upper threshold pressure may be a pressure value less than the maximum pressure that the pipe to be cleaned can withstand.
Illustratively, the lower threshold pressure may be 0.3 to 0.5 MPa.
Lower limit threshold pressure can guarantee to close switch module 2 in this scope, and the pressure of clearance subassembly 1 one side is higher than the pressure of clearance subassembly 1 opposite side in the twinkling of an eye, and pressure gas still can promote the mount pad 11 and remove, improves the dredging pipe efficiency of treating the clearance pipeline.
Illustratively, the switch assembly 2 may include two pressure detectors 26, and the two pressure detectors 26 are respectively disposed at both ends of the mounting seat 11.
Fig. 6 is a cross-sectional view of a pipe cleaner according to an embodiment of the disclosure, and as shown in fig. 6, an air outlet end of the air vent 111 may be located on an outer circumferential wall of the mounting seat 11.
The end of giving vent to anger of air guide hole 111 is located the periphery wall of mount pad 11, and the pressure air current of following air guide hole 111 spun can directly act on the impurity on the inner wall of treating the clearance pipeline so, and is better to the effect of impurity clearance, can effectively alleviate the stifled problem of card of mount pad 11.
As shown in fig. 6, the pipe cleaner further includes a plurality of nozzles 3 corresponding to the plurality of air guide holes 111 one to one, one end of each nozzle 3 is communicated with an air outlet end of the air guide hole 111, and axes of the plurality of nozzles 3 are all on the same plane, which is perpendicular to an axis of the mounting base 11.
The nozzle 3 can further compress and eject the pressure gas flowing out from the gas guide hole 111, and pressurize the pressure gas to remove impurities more effectively.
Fig. 7 is a flowchart of a pipe cleaning method according to an embodiment of the present disclosure, where the pipe cleaning method is implemented by using a pipe cleaner as before, and as shown in fig. 7, the pipe cleaning method may include:
s101: the pipeline cleaner is placed into the pipeline to be cleaned, so that the outer wall of the sealing ring is in slidable sealing connection with the inner wall of the pipeline to be cleaned, and the air guide hole is closed by the switch assembly.
S102: pressurized gas is applied to the mounting seat from the side of the sealing ring.
S103: if the pressure difference between the pressure on one side of the sealing ring and the pressure on the other side of the sealing ring is larger than the upper limit threshold pressure, the switch assembly opens the gas guide hole, so that the pressure gas is sprayed out from the gas outlet end of the gas guide hole at a high speed to clean impurities.
S104: if the pressure difference between one side of the sealing ring and the other side of the sealing ring is smaller than the lower threshold pressure, the switch assembly closes the air guide hole.
It should be noted that, when step S103 is executed, the pressure gas may jet out the cleaning impurities from the air outlet end of the air guide hole at a high speed, and at the same time, the pressure difference between two sides of the sealing ring may also gradually decrease, and after the pressure difference between one side of the sealing ring and the other side of the sealing ring is smaller than the lower threshold pressure, step S104 is executed, the air guide hole is closed by the switch assembly, and the pressures at two ends of the mounting seat may be obtained by the pressure detector.
The pipeline cleaner is placed into the pipeline to be cleaned, the outer wall of the cleaning assembly is sealed with the inner wall of the pipeline to be cleaned, and the air guide hole is closed by the switch assembly. Pressure gas is exerted to the mount pad from one side of sealing ring in the clearance subassembly, and sealing ring one side does not communicate with each other with the sealing ring opposite side, and the pressure of sealing ring one side can order about the pipeline clearance ware and remove, and the sealing ring removes with the clearance pipeline of treating along with the pipeline clearance ware. When the pipeline cleaner is blocked by impurities, the pressure gas on one side of the sealing ring can continuously act on the mounting seat to gradually increase the pressure on one side of the sealing ring, after the difference between the pressure on one side of the sealing ring and the pressure on the other end of the sealing ring is increased to the upper threshold pressure, the switch assembly can open the gas guide hole, the gas inlet end and the gas outlet end of the gas guide hole are respectively positioned at two ends of the mounting seat, the gas guide hole is communicated with two sides of the sealing ring in the axial direction, the high-pressure gas on one side of the sealing ring is sprayed out from the other side of the sealing ring at a high speed, the impurities blocking the mounting seat are sprayed away by the high-pressure gas, the pipeline cleaner can continuously move, meanwhile, the pressure difference on two sides of the sealing ring in the axial direction can gradually decrease, after the pressure difference between the pressure on one side of the sealing ring and the pressure on the other end of, and finally, pushing impurities out of the pipeline to be cleaned by the sealing ring on the mounting seat. The problem of when the pressure of pressure gas is not enough to overcome the resistance of impurity, the clearance ware blocks up and can not continue to push out the pipeline with impurity is solved.
One implementation of the present disclosure may be described herein to facilitate an understanding of the present disclosure. In one implementation of the present disclosure, the transport pressure of the pipeline to be cleaned in the pipe cleaning process is 6MPa, and the impurities in the pipeline are mainly rust, soil and water. According to the field operation process, the upper threshold pressure of the pipeline to be cleaned is 0.5MPa, and the lower threshold pressure is 0.2 MPa.
In the operation process of the pipeline cleaner, the cleaning assembly 1 on the mounting seat 11 in the pipeline cleaner pushes impurities when moving, the impurities (such as iron rust, soil, hydrate formed by water and natural gas and the like) on one side of the cleaning assembly 1 in the pipeline cleaner are accumulated, and once the blockage condition is reached, the pipeline cleaner stops advancing. At the moment, the pressure of one side of the pipeline cleaner cleaning assembly 1 is unchanged, the pushing pressure of the other side of the pipeline cleaner cleaning assembly 1 is increased along with the pressure gas, when the pressure of the other side of the pipeline cleaner cleaning assembly 1 exceeds the pressure of one side of the pipeline cleaner cleaning assembly 1 by 0.5MPa, the air guide hole 111 in the mounting seat 11 is opened by the switch assembly 2 in the pipeline cleaner, the pressure gas of the other side of the cleaning assembly 1 flows to one side of the cleaning assembly 1 from the other side of the cleaning assembly 1 through the air guide hole 111, and the blockage impurities at the front end of the pipeline cleaner are blown by the pressure gas flowing out of the air guide hole 111 at a high speed, so that the blockage removal purpose is achieved. The pressure difference between the two sides of the cleaning assembly 1 is reduced to be less than 0.2MPa, the switch assembly 2 closes the air guide hole 111, and the pressure gas pushes the mounting seat 11 to continue to advance.
The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.
Claims (10)
1. A pipe cleaner, comprising:
the cleaning assembly (1) comprises a mounting seat (11) and a sealing ring (12) which is arranged in the middle of the mounting seat (11) in a sealing mode, the sealing ring (12) is configured to be in sliding sealing connection with the inner wall of a pipeline, an air guide hole (111) is formed in the mounting seat (11), and the air inlet end and the air outlet end of the air guide hole (111) are located at two ends of the mounting seat (11) respectively;
a switch assembly (2) located on the mount (11), the switch assembly (2) being configured to open or close the air-guide hole (111).
2. The pipeline cleaner as claimed in claim 1, wherein the mounting seat (11) has a pressure gas buffer groove (112) on an end surface of one end, and the gas inlet end of the gas guide hole (111) is communicated with the pressure gas buffer groove (112).
3. The pipe cleaner according to claim 2, wherein the gas inlet end of the gas guide hole (111) communicates with the side wall of the pressure gas buffer tank (112).
4. The pipe cleaner according to claim 3, characterized in that the switch assembly (2) comprises a cover plate (21), a drive member (22) and a stop plate (23), the cover plate (21) is positioned at one end of the mounting seat (11), a through hole (211) communicated with the pressure gas buffer groove (112) is formed in the cover plate (21), the drive element (22) and the baffle (23) are located in the pressure gas buffer reservoir (112), the driving piece (22) is fixed on the bottom surface (112a) of the pressure gas buffer groove (112), the driving end of the driving piece (22) is connected with the baffle (23), and the driving piece (22) is configured to drive the baffle (23) to move towards the cover plate (21) to block the through hole (211) or drive the baffle (23) to move away from the cover plate (21) to open the through hole (211).
5. The pipeline cleaner according to claim 3, wherein the switch assembly (2) comprises a driving member (22), a rotating rod (24) and an annular connecting plate (25), the driving member (22) is fixed on the bottom surface (112a) of the pressure gas buffer groove (112), the driving end of the driving member (22) is coaxially fixed with the rotating rod (24), the annular connecting plate (25) is coaxially fixed on the rotating rod (24), the outer wall of the annular connecting plate (25) is attached to the side wall of the pressure gas buffer groove (112), and the annular connecting plate (25) is provided with a plurality of uniformly distributed gas guide hole communication ports (251).
6. The pipe cleaner according to claim 4 or 5, characterized in that the switch assembly (2) further comprises a pressure detector (26) and a processor (27),
the pressure detector (26) is configured to detect gas pressures on both sides of the seal ring (12) in the axial direction,
the processor (27) is configured to drive the driver (22) to move to open the gas vent (111) when a pressure difference across the seal ring (12) is greater than an upper threshold pressure, and to drive the driver (22) to move to close the gas vent (111) when the pressure difference across the seal ring (12) is less than a lower threshold pressure.
7. The pipe cleaner according to any one of claims 1 to 5, wherein the mounting seat (11) is cylindrical, the mounting seat (11) has a plurality of air holes (111), and the air holes (111) are uniformly distributed along the circumferential direction of the mounting seat (11) at intervals.
8. The pipe cleaner according to claim 7, wherein the air outlet end of the air vent hole (111) is located at the outer peripheral wall of the mounting seat (11).
9. The pipeline cleaner according to claim 8, further comprising a plurality of nozzles (3) corresponding to the plurality of air-guide holes (111) one by one, wherein one end of each nozzle (3) is communicated with the air outlet end of the air-guide hole (111), the axes of the plurality of nozzles (3) are all on the same plane, and the plane is perpendicular to the axis of the mounting seat (11).
10. A pipe cleaning method implemented by using the pipe cleaner according to claim 1, the pipe cleaning method comprising:
placing the pipeline cleaner into a pipeline to be cleaned, so that the outer wall of the sealing ring is in slidable sealing connection with the inner wall of the pipeline to be cleaned, and the switch assembly closes the air guide hole;
applying pressurized gas to the mount from a side of the seal ring;
if the pressure difference between one side of the sealing ring and the other side of the sealing ring is larger than the upper limit threshold pressure, the switch assembly opens the gas guide hole, so that the pressure gas is sprayed out of the gas outlet end of the gas guide hole at a high speed to clean impurities;
and if the pressure difference between one side of the sealing ring and the other side of the sealing ring is smaller than the lower threshold pressure, the switch assembly closes the air guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329041.4A CN113000509B (en) | 2019-12-20 | 2019-12-20 | Pipeline cleaner and pipeline cleaning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329041.4A CN113000509B (en) | 2019-12-20 | 2019-12-20 | Pipeline cleaner and pipeline cleaning method |
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| CN113000509A true CN113000509A (en) | 2021-06-22 |
| CN113000509B CN113000509B (en) | 2022-08-30 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263534B1 (en) * | 1997-05-02 | 2001-07-24 | Tmo Enterprises Limited | Delivery device |
| US20120097192A1 (en) * | 2010-10-26 | 2012-04-26 | Crawford James R | Multifunctional cleaning tool |
| CN103551351A (en) * | 2013-10-29 | 2014-02-05 | 中国海洋石油总公司 | Jet dredging pipe cleaner |
| CN105855249A (en) * | 2016-05-27 | 2016-08-17 | 沈阳鑫联石化设备有限公司 | Localizable automatic draining pipe cleaner |
-
2019
- 2019-12-20 CN CN201911329041.4A patent/CN113000509B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263534B1 (en) * | 1997-05-02 | 2001-07-24 | Tmo Enterprises Limited | Delivery device |
| US20120097192A1 (en) * | 2010-10-26 | 2012-04-26 | Crawford James R | Multifunctional cleaning tool |
| CN103551351A (en) * | 2013-10-29 | 2014-02-05 | 中国海洋石油总公司 | Jet dredging pipe cleaner |
| CN105855249A (en) * | 2016-05-27 | 2016-08-17 | 沈阳鑫联石化设备有限公司 | Localizable automatic draining pipe cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113000509B (en) | 2022-08-30 |
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