CN115213179A - High-speed cyclonic pipeline cleaning device and method - Google Patents
High-speed cyclonic pipeline cleaning device and method Download PDFInfo
- Publication number
- CN115213179A CN115213179A CN202210630155.8A CN202210630155A CN115213179A CN 115213179 A CN115213179 A CN 115213179A CN 202210630155 A CN202210630155 A CN 202210630155A CN 115213179 A CN115213179 A CN 115213179A
- Authority
- CN
- China
- Prior art keywords
- descaling
- pipeline
- pipe section
- liquid
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 238000011049 filling Methods 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 16
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000012216 screening Methods 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000011084 recovery Methods 0.000 claims abstract description 8
- 230000011218 segmentation Effects 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 25
- 238000000227 grinding Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 23
- 239000007787 solid Substances 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000010419 fine particle Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000002441 X-ray diffraction Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 230000000704 physical effect Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000010926 purge Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Classifications
-
- 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
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- 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
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0325—Control mechanisms therefor
-
- 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
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a high-speed cyclonic pipeline cleaning device and method. High-speed gas whirl pipeline cleaning device includes: the device comprises a pressurizing and pressure stabilizing device, a gas-cyclone generating and feeding device, a feeding facility, an abrasive feeding system, a liquid filling system, an abrasive screening device, a solid-liquid mixer, a blanking valve, a gas-cyclone flow generator, a first pressure monitoring meter, a second pressure monitoring meter and a recovery device; the cleaning method of the high-speed cyclonic pipeline comprises the following steps: s1, determining the type of the abrasive; s2, determining an inlet and an outlet of the descaling pipe section; s3, determining the optimal length and the segmentation scheme of the descaling pipe section; s4, trying to flush the pipeline; s5, grading and descaling; and S6, evaluating the pipeline descaling effect. Compared with the prior art, the invention can solve the problems of poor adaptability of cleaning equipment, poor descaling effect and serious damage of chemical descaling on the pipeline, and has the advantages of high descaling effect of the pipeline up to more than 99 percent, realization of long-distance continuous descaling of the pipeline, low descaling cost and no pollution to the environment.
Description
Technical Field
The invention belongs to the field of oilfield resource development, and particularly relates to a high-speed gas rotational flow pipeline cleaning device and method.
Background
In the process of oilfield exploitation in China, due to the fact that pipeline trunks of oil fields run for a long time, scales are formed in pipelines, silt is added, and the like, the pipelines are large in pressure loss and high in energy consumption, normal production requirements cannot be met, and the pipelines need to be cleaned, the main methods for cleaning the pipelines at present comprise methods such as PIG pipe cleaners, ball throwing and chemical descaling, and the following two defects exist:
(1) The equipment has poor adaptability and poor descaling effect, and a PIG cleaner and a pitching cleaning method are taken as examples, the PIG cleaner mainly enters a pipeline through the cleaner of the equipment, scales in the pipe wall are removed by means of friction force between the cleaner and the pipe wall, and the PIG cleaner is only suitable for the pipeline with a certain inner diameter.
(2) The chemical descaling needs to prepare a corresponding chemical dissolving agent according to the components of the scale, so that the workload is high, the chemical dissolving agent cannot be recycled, the chemical dissolving agent cannot fully react with the scale in the pipeline, the chemical dissolving agent can chemically react with the pipeline in the later stage of descaling, the pipeline is damaged, and the environment pollution is caused.
Based on the above reasons, it is urgently needed to invent a simple, convenient and efficient high-speed cyclonic cleaning device and method for pipelines, which can improve the pipeline descaling efficiency, reduce the pipeline descaling cost, simplify the construction process and realize the continuous descaling of long-distance pipelines.
Disclosure of Invention
Aiming at the defects of poor equipment adaptability, poor descaling effect, high descaling cost, serious pipeline damage and environmental pollution commonly existing in the existing pipeline descaling, the invention provides a high-speed gas cyclone pipeline cleaning device and method, which overcome the defects existing in the existing pipeline descaling, obviously improve the pipeline descaling working efficiency and the descaling effect and reduce the pipeline descaling cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
high-speed gas whirl pipeline cleaning device includes: the device comprises a pressurizing and pressure stabilizing device, a cyclone generating and feeding device, a first pressure monitoring meter, a second pressure monitoring meter and a recovery device; wherein: the pressurizing and pressure stabilizing device is connected with the cyclone generating and feeding device through a pipeline and is used for injecting compressed gas into the cyclone generator; the gas cyclone generating and feeding device is connected with the inlet of the descaling pipe section through a pipeline and is used for injecting a high-speed gas cyclone, abrasive and liquid mixture into the descaling pipe section; the inlet and the outlet of the descaling pipe section are respectively provided with a first pressure monitor and a second pressure monitor which are used for monitoring the pressure of the inlet and the outlet of the descaling pipe section; the recovery device is connected with the outlet of the descaling pipe section through a pipeline and is used for collecting the discharge of the cleaning pipe section.
The supercharging and pressure stabilizing device comprises an air compressor, an air storage tank and an air pressure valve; the right end interface of the air compressor is connected with the left end interface of the air storage tank through a pipeline, and the right end of the air storage tank is provided with an air pressure valve.
Cyclonic flow generating and feeding apparatus comprising: a cyclonic flow generator and a charging facility; a direct-blowing valve and a rotational flow valve are arranged in the swirl generator; the pressurizing and pressure stabilizing device is connected with the cyclone flow generator through a pipeline and is used for injecting compressed gas into the cyclone flow generator; a charging installation comprising: the grinding material screening device comprises a grinding material filling system, a liquid filling system, a grinding material screening device, a solid-liquid mixer and a blanking valve, wherein an upper interface of the grinding material screening device is connected with a bottom interface of the grinding material filling system through a pipeline and is used for removing grinding materials with large particle sizes; the upper interface of the solid-liquid mixer is connected with the bottom interface of the abrasive screening device and the bottom interface of the liquid filling system and is used for fully mixing the abrasive and the liquid; the bottom interface of the solid-liquid mixer is connected with the top interface of the cyclone flow generator through a pipeline, and a blanking valve is arranged between the solid-liquid mixer and the cyclone flow generator.
The high-speed cyclonic pipeline cleaning method and the high-speed cyclonic pipeline cleaning device include the following steps:
s1, determining the type of the grinding material;
s2, determining an inlet and an outlet of the descaling pipe section;
s3, determining the optimal length and the segmentation scheme of the descaling pipe section;
s4, trying to flush the pipeline;
s5, grading and descaling;
and S6, evaluating the pipeline descaling effect.
Compared with the prior art, the invention has the following beneficial effects: the risk of pipe blockage is reduced, and the environment is not polluted; the scale removal of the size drift diameter of the pipeline is achieved; the cleaning process is not limited by complex connecting modes such as pipeline verticality, turning, diameter changing, branching, gate valves and the like and the types of pipeline materials; the waste liquid generated in the cleaning process is only limited to residual liquid in a pipeline system, and no redundant waste liquid is generated; the cleaning process realizes the basic coverage of the cleaning operation distance and the caliber of the oil-gas pipeline in the oil field; the longest working distance can reach 6km for continuous descaling, the operation is simple and safe, and the descaling effect can reach more than 99%.
Drawings
FIG. 1 is a schematic view of a high velocity cyclonic fluid pipe cleaning apparatus;
in the figure: 1. a pressurizing and pressure stabilizing device; 2. a cyclonic flow generating and feeding device; 21. a charging facility; 211. a filling abrasive system; 212. a liquid filling system; 213. an abrasive screening device; 214. a solid-liquid mixer; 215. a blanking valve; 22. a cyclonic flow generator; 3. a first pressure monitor gauge; 4. a descaling pipe section; 5. a second pressure monitor meter; 6. and (5) a recovery device.
Detailed Description
As shown in fig. 1, the high-speed cyclonic pipe cleaning apparatus includes: the device comprises a pressurization and pressure stabilization device 1, a cyclone flow generation and feeding device 2, a first pressure monitoring meter 3, a second pressure monitoring meter 5 and a recovery device 6; wherein: the pressurizing and pressure stabilizing device 1 is connected with the gas cyclone generating and feeding device 2 through a pipeline and is used for injecting compressed gas into the gas cyclone generator 22; the gas swirl generation and feeding device 2 is connected with the inlet of the descaling pipe section 4 through a pipeline and is used for injecting a high-speed gas swirl, an abrasive and a liquid mixture into the descaling pipe section 4; the inlet and the outlet of the descaling pipe section 4 are respectively provided with a first pressure monitor 3 and a second pressure monitor 5 which are used for monitoring the pressure of the inlet and the outlet of the descaling pipe section 4; the recovery device 6 is connected with the descaling pipe section outlet through a pipeline and is used for collecting the drainage of the cleaning pipe section.
The pressure boosting and stabilizing device 1 comprises an air compressor 11, an air storage tank 12 and an air pressure valve 13; the right end interface of the air compressor 11 is connected with the left end interface of the air storage tank 12 through a pipeline, and the right end of the air storage tank 12 is provided with an air pressure valve 13.
The cyclonic flow generating and feeding device 2 comprises: a cyclonic flow generator 22 and a charging facility 21; a direct-blowing valve and a rotational flow valve are arranged in the swirl generator 22; the pressurizing and pressure stabilizing device 1 is connected with the cyclone flow generator 22 through a pipeline and is used for injecting compressed gas into the cyclone flow generator 22; a charging installation 21 comprising: the abrasive filling system 211, the liquid filling system 212, the abrasive screening device 213, the solid-liquid mixer 214 and the blanking valve 215 are arranged in the vertical direction, and an upper interface of the abrasive screening device 213 is connected with a bottom interface of the abrasive filling system 211 through a pipeline and used for removing large-particle abrasive; the upper interface of the solid-liquid mixer 214 is connected with the bottom interface of the abrasive screener 213 and the bottom interface of the filling liquid system 212, and is used for fully mixing the abrasive and the liquid; the bottom interface of the solid-liquid mixer 214 is connected with the top interface of the cyclone flow generator 22 through a pipeline, and a baiting valve 215 is arranged between the solid-liquid mixer 214 and the cyclone flow generator 22.
The method for cleaning the high-speed cyclonic duct by using the cleaning device comprises the following steps:
s1, determining the type of the grinding material
Extracting the scaling substances on the inner wall of the construction pipe section to be cleaned; drying and grinding 5 parts of scale samples at different positions until the grinding particle size is below 0.075mm, and performing component test on the 5 parts of scale samples by adopting X-ray diffraction to determine the composition of the scale; taking 5 samples of the fouling substances at different positions for hardness test, and determining the hardness level of the fouling substances; and selecting the abrasive and the liquid type with corresponding hardness and size according to the components and the hardness grade of the fouling substances.
S2, determining the inlet and outlet of the descaling pipe section
Determining the height difference of a pipe section to be descaled by using a height measuring instrument, wherein a pipe end with a large height is a gas-liquid-solid cyclone inlet end, and a pipe end with a small height is a gas-liquid-solid cyclone outlet end; when the measured elevations at the two ends of the pipe section to be descaled are consistent, determining a gas-liquid-solid cyclone inlet end and a gas-liquid-solid cyclone outlet end according to the construction site condition; measuring pipe diameters of two ends of a pipe section to be descaled, wherein if the pipe diameters are the same, a pipe end with a large height is a gas-liquid-solid cyclone inlet end, and a pipe end with a small height is a gas-liquid-solid cyclone outlet end; if the pipe diameters are different, the pipe end with the small pipe diameter is used as a gas-liquid-solid rotational flow inlet end, and the pipe end with the large pipe diameter is used as a gas-liquid-solid rotational flow outlet end.
S3, determining the optimal length of the descaling pipe section and a segmentation scheme
According to the pipeline structure (diameter, length, elbow number, reducing position, pipeline bending angle and pipe type), elevation, scaling thickness, scaling type and scaling hardness of the descaling pipeline section, a numerical simulation calculation model of the gas swirl flow of the descaling pipeline section is established, and in combination with the physical property characteristics of the gas swirl flow, the field construction process parameters are optimized, and the optimal length and the segmentation scheme of the descaling construction pipeline section are determined.
S4, trying to flush the pipeline
Connecting the pressurizing and pressure stabilizing device, the cyclonic flow generating and feeding device, the descaling pipe section with optimized length and the recovering device by pipelines to form a loop; starting an air compressor to store air and pressurize the air storage tank, and stopping injecting air into the air storage tank when the pressure of the air storage tank reaches a set pressure value; opening a pneumatic valve, starting a cyclone flow generator, opening a direct-blowing valve, injecting compressed gas into the descaling pipe section through a pipeline, blowing out fine particles and residual liquid in the pipe section until no fine particles and residual liquid are blown out in the pipe section, and closing the direct-blowing valve; adding 3kg of abrasive into an abrasive filling system, sequentially opening a blanking valve, a direct-blowing valve and a cyclone valve, cleaning the descaling pipe section until no abrasive is discharged at an outlet end, and sequentially closing the cyclone valve, the blanking valve and the direct-blowing valve; adding 3kg of grinding materials for 2-3 times, repeating the process, and finishing the test cleaning; recording the pressure of the gas storage tank, the inlet pressure of the descaling pipe section, the outlet pressure of the descaling pipe section, stopping cleaning the reduction rate of the inlet pressure of the descaling pipe section, the total mass of the excrements at the outlet of the descaling pipe section and the mass ratio of each component in the trial cleaning process, and determining the formal cleaning construction parameters, wherein the formal cleaning construction parameters comprise: the method comprises the following steps of stage division, pressure value of the gas storage tank in each stage, abrasive type, abrasive consumption, liquid type, liquid consumption and mass ratio of the abrasive to the liquid.
S5, grading and descaling
Completing material preparation according to the construction parameters of formal cleaning determined in the step S4; sequentially setting the pressure value, the abrasive type, the abrasive consumption, the liquid type, the liquid consumption, the mass ratio of the abrasive to the liquid and the rotational flow cleaning time of each stage of the gas storage tank; starting an air compressor to store air and pressurize the air storage tank to the designed pressure value of the air storage tank at the corresponding stage, and opening an air pressure valve; adding an abrasive and a liquid into a filling abrasive system and a filling liquid system; starting a cyclone flow generator, sequentially opening a direct-blowing valve, a blanking valve and a cyclone valve, after cleaning operation at a corresponding stage is completed, sequentially closing the direct-blowing valve, the blanking valve and the cyclone valve, and repeating the processes until the cleaning operation is completed; and opening the direct blow valve, purging the pipe section until no residue is blown out of the pipe section, and closing the direct blow valve.
S6, evaluating pipeline descaling effect
And after the descaling operation of the pipe section at each stage is finished, closing the swirl valve and the direct-current valve, sequentially recording the inlet and outlet pressure of the descaling pipe section, calculating the pressure drop rate of the inlet and outlet pressure of the descaling pipe section, and if the pressure drop rate of the inlet and outlet pressure of the descaling pipe section is zero within 20 seconds and the scaling thickness of the inlet and outlet ends of the descaling pipe section is reduced by more than 95% through detection, determining that the pipe descaling is qualified.
Therefore, the method can solve the problems that the pipeline is blocked by the scaling substances in the oil field pipeline, the existing descaling equipment has poor adaptability, poor descaling effect, serious pipeline loss and environmental pollution, and has the advantages of 99 percent of pipeline descaling effect, simple operation, low cost and no environmental pollution.
Claims (10)
1. A high-velocity cyclonic fluid line cleaning apparatus comprising: the device comprises a pressurizing and pressure stabilizing device, a cyclone generating and feeding device, a first pressure monitoring meter, a second pressure monitoring meter and a recovery device; the method is characterized in that: the pressurizing and pressure stabilizing device is connected with the cyclone generating and feeding device through a pipeline and is used for injecting compressed gas into the cyclone generator; the gas cyclone generating and feeding device is connected with the inlet of the descaling pipe section through a pipeline and is used for injecting a high-speed gas cyclone, abrasive and liquid mixture into the descaling pipe section; the inlet and the outlet of the descaling pipe section are respectively provided with a first pressure monitor and a second pressure monitor which are used for monitoring the pressure of the inlet and the outlet of the descaling pipe section; the recovery device is connected with the outlet of the descaling pipe section through a pipeline and is used for collecting the discharge of the cleaning pipe section.
2. The high-speed cyclonic fluid pipe cleaning apparatus as claimed in claim 1, wherein: the pressure boosting and stabilizing device comprises an air compressor, an air storage tank and an air pressure valve; the right end interface of the air compressor is connected with the left end interface of the air storage tank through a pipeline, and the right end of the air storage tank is provided with an air pressure valve.
3. The high-speed cyclonic fluid pipe cleaning apparatus as claimed in claim 1 or 2, wherein: the cyclonic flow generating and feeding apparatus includes: a cyclonic flow generator and charging means; a direct-blowing valve and a rotational flow valve are arranged in the swirl generator; the pressurizing and pressure stabilizing device is connected with the cyclone flow generator through a pipeline and is used for injecting compressed gas into the cyclone flow generator; a charging installation comprising: the grinding material screening device comprises a grinding material filling system, a liquid filling system, a grinding material screening device, a solid-liquid mixer and a blanking valve, wherein an upper interface of the grinding material screening device is connected with a bottom interface of the grinding material filling system through a pipeline and is used for removing grinding materials with large particle sizes; the upper part interface of the solid-liquid mixer is connected with the bottom interface of the abrasive screening device and the bottom interface of the liquid filling system and is used for fully mixing the abrasive and the liquid; the bottom interface of the solid-liquid mixer is connected with the top interface of the cyclone flow generator through a pipeline, and a blanking valve is arranged between the solid-liquid mixer and the cyclone flow generator.
4. The method for cleaning the high-speed cyclonic flow pipeline is characterized by comprising the following steps of:
s1, determining the type of the grinding material
S2, determining the inlet and outlet of the descaling pipe section
S3, determining the optimal length of the descaling pipe section and a segmentation scheme
S4, trying to flush the pipeline
S5, grading and descaling
And S6, evaluating the pipeline descaling effect.
5. The method for cleaning the high-speed cyclonic flow pipe as claimed in claim 4, wherein the step S1 is as follows: extracting the scaling substances on the inner wall of the construction pipe section to be cleaned; drying and grinding 5 parts of scale samples at different positions until the grinding particle size is below 0.075mm, and performing component test on the 5 parts of scale samples by adopting X-ray diffraction to determine the composition of the scale; taking 5 samples of the fouling substances at different positions for hardness test, and determining the hardness level of the fouling substances; and selecting the abrasive and the liquid type with corresponding hardness and size according to the components and the hardness grade of the fouling substances.
6. The high-speed cyclonic fluid pipe cleaning method as claimed in claim 4 or 5, wherein the step S2 is as follows: determining the height difference of a pipe section to be descaled by using a height measuring instrument, wherein a pipe end with a large height is a gas-liquid-solid cyclone inlet end, and a pipe end with a small height is a gas-liquid-solid cyclone outlet end; when the measured elevations at the two ends of the pipe section to be descaled are consistent, determining a gas-liquid-solid rotational flow inlet end and a gas-liquid-solid rotational flow outlet end according to the construction site condition; measuring pipe diameters of two ends of a pipe section to be descaled, wherein if the pipe diameters are the same, a pipe end with a large elevation is a gas-liquid-solid rotational flow inlet end, and a pipe end with a small elevation is a gas-liquid-solid rotational flow outlet end; if the pipe diameters are different, the pipe end with the small pipe diameter is used as a gas-liquid-solid rotational flow inlet end, and the pipe end with the large pipe diameter is used as a gas-liquid-solid rotational flow outlet end.
7. The method for cleaning the high-speed cyclonic flow pipe as claimed in claim 6, wherein the step S3 is as follows: according to the pipeline structure (diameter, length, elbow number, reducing position, pipeline bending angle and pipe type), elevation, scaling thickness, scaling type and scaling hardness of the descaling pipeline section, a numerical simulation calculation model of the gas swirl flow of the descaling pipeline section is established, and in combination with the physical property characteristics of the gas swirl flow, the field construction process parameters are optimized, and the optimal length and the segmentation scheme of the descaling construction pipeline section are determined.
8. The method for cleaning the high-speed cyclonic flow pipe as claimed in claim 7, wherein the step S4 is as follows: connecting the pressurizing and pressure stabilizing device, the cyclonic flow generating and feeding device, the descaling pipe section with optimized length and the recovering device by pipelines to form a loop; starting an air compressor to store air and pressurize the air storage tank, and stopping injecting air into the air storage tank when the pressure of the air storage tank reaches a set pressure value; opening a pneumatic valve, starting a cyclone flow generator, opening a direct blowing valve, injecting compressed gas into the descaling pipe section through a pipeline, blowing out fine particles and residual liquid in the pipe section until no fine particles and residual liquid are blown out in the pipe section, and closing the direct blowing valve; adding 3kg of grinding materials into a grinding material filling system, sequentially opening a blanking valve, a direct-blowing valve and a cyclone valve, cleaning the descaling pipe section until no grinding materials are discharged from an outlet end, and sequentially closing the cyclone valve, the blanking valve and the direct-blowing valve; adding 3kg of grinding materials for 2-3 times, repeating the process, and finishing the test cleaning; recording the pressure of the gas storage tank, the inlet pressure of the descaling pipe section, the outlet pressure of the descaling pipe section, stopping cleaning the reduction rate of the inlet pressure of the descaling pipe section, the total mass of the excrements at the outlet of the descaling pipe section and the mass ratio of each component in the trial cleaning process, and determining the formal cleaning construction parameters, wherein the formal cleaning construction parameters comprise: the method comprises the following steps of stage division, pressure value of the gas storage tank in each stage, abrasive type, abrasive consumption, liquid type, liquid consumption and mass ratio of the abrasive to the liquid.
9. The method for cleaning the high-speed cyclonic flow pipe as claimed in claim 8, wherein the step S5 is as follows: completing material preparation according to the construction parameters of formal cleaning determined in the step S4; sequentially setting the pressure value, the abrasive type, the abrasive consumption, the liquid type, the liquid consumption, the mass ratio of the abrasive to the liquid and the rotational flow cleaning time of each stage of the gas storage tank; starting an air compressor to store air and pressurize the air storage tank to the designed pressure value of the air storage tank at the corresponding stage, and opening an air pressure valve; adding an abrasive and a liquid into a filling abrasive system and a filling liquid system; starting the cyclone flow generator, sequentially opening the direct blow valve, the blanking valve and the cyclone valve, sequentially closing the direct blow valve, the blanking valve and the cyclone valve after cleaning operation at the corresponding stage is completed, and repeating the processes until the cleaning operation is completed; and opening the direct blow valve, purging the pipe section until no residue is blown out of the pipe section, and closing the direct blow valve.
10. The high-speed cyclonic cleaning method for pipelines as claimed in claim 9, wherein step S6 is as follows: and after the descaling operation of the pipe section at each stage is finished, closing the swirl valve and the direct-current valve, sequentially recording the inlet and outlet pressure of the descaling pipe section, calculating the pressure drop rate of the inlet and outlet pressure of the descaling pipe section, and if the pressure drop rate of the inlet and outlet pressure of the descaling pipe section is zero within 20 seconds and the scaling thickness of the inlet and outlet ends of the descaling pipe section is reduced by more than 95 percent through detection, judging that the pipe descaling is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210630155.8A CN115213179A (en) | 2022-06-06 | 2022-06-06 | High-speed cyclonic pipeline cleaning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210630155.8A CN115213179A (en) | 2022-06-06 | 2022-06-06 | High-speed cyclonic pipeline cleaning device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115213179A true CN115213179A (en) | 2022-10-21 |
Family
ID=83608581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210630155.8A Pending CN115213179A (en) | 2022-06-06 | 2022-06-06 | High-speed cyclonic pipeline cleaning device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115213179A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815241A (en) * | 2023-01-10 | 2023-03-21 | 中国万宝工程有限公司 | Pipeline cleaning device and cleaning method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4048757A (en) * | 1976-08-16 | 1977-09-20 | Union Carbide Corporation | System for metering abrasive materials |
| JPH11131267A (en) * | 1997-10-24 | 1999-05-18 | Oki Electric Ind Co Ltd | Cleaning of film forming device |
| CA2408579A1 (en) * | 2002-10-17 | 2003-09-11 | Xiao Ming Wang | Method for cleaning and renovating pipelines |
| WO2005049239A1 (en) * | 2003-11-15 | 2005-06-02 | Whirlwind Technologies Limited | Cleaning duct walls |
| CN1654135A (en) * | 2005-02-28 | 2005-08-17 | 王筱均 | Method of rust cleaning, scale removing, film coating and corrosion preventing for large and middle sized pipeline inside wall |
| CN203862633U (en) * | 2014-05-28 | 2014-10-08 | 田广文 | High-pressure air pulse pipeline washing and coating device |
| CN206882336U (en) * | 2017-07-11 | 2018-01-16 | 徐州东方热电有限公司 | A kind of burner noz(zle) cleans detection means |
| CN212044244U (en) * | 2020-03-23 | 2020-12-01 | 郭成 | Compressed gas variable pressure type pipeline cleaning and repairing mechanism |
| CN113254508A (en) * | 2021-06-22 | 2021-08-13 | 西南石油大学 | Data warehouse for natural gas pipeline pigging operation and data mining method |
-
2022
- 2022-06-06 CN CN202210630155.8A patent/CN115213179A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4048757A (en) * | 1976-08-16 | 1977-09-20 | Union Carbide Corporation | System for metering abrasive materials |
| JPH11131267A (en) * | 1997-10-24 | 1999-05-18 | Oki Electric Ind Co Ltd | Cleaning of film forming device |
| CA2408579A1 (en) * | 2002-10-17 | 2003-09-11 | Xiao Ming Wang | Method for cleaning and renovating pipelines |
| WO2005049239A1 (en) * | 2003-11-15 | 2005-06-02 | Whirlwind Technologies Limited | Cleaning duct walls |
| CN1654135A (en) * | 2005-02-28 | 2005-08-17 | 王筱均 | Method of rust cleaning, scale removing, film coating and corrosion preventing for large and middle sized pipeline inside wall |
| CN203862633U (en) * | 2014-05-28 | 2014-10-08 | 田广文 | High-pressure air pulse pipeline washing and coating device |
| CN206882336U (en) * | 2017-07-11 | 2018-01-16 | 徐州东方热电有限公司 | A kind of burner noz(zle) cleans detection means |
| CN212044244U (en) * | 2020-03-23 | 2020-12-01 | 郭成 | Compressed gas variable pressure type pipeline cleaning and repairing mechanism |
| CN113254508A (en) * | 2021-06-22 | 2021-08-13 | 西南石油大学 | Data warehouse for natural gas pipeline pigging operation and data mining method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815241A (en) * | 2023-01-10 | 2023-03-21 | 中国万宝工程有限公司 | Pipeline cleaning device and cleaning method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106483033B (en) | Gas-solid two-phase flow 90-degree elbow erosion loop experimental device based on different flow directions | |
| CN108267381B (en) | Comprehensive experiment device for gas-liquid-solid multiphase flow erosion and corrosion | |
| CN107433273B (en) | Harmless treatment method for waste crude oil pipeline | |
| CN110160902B (en) | Detachable annular gas-liquid-solid erosive wear combined test device | |
| CN105642620A (en) | Method and device for cleaning and coating of interior of nuclear power station pipeline through aerodynamic force | |
| CN110700800A (en) | Shale gas cluster well gas collection platform process flow and method | |
| CN104655396A (en) | Multiphase flow simulation test device and method for refined oil product with water and impurities | |
| CN115213179A (en) | High-speed cyclonic pipeline cleaning device and method | |
| CN110542649A (en) | Multifunctional liquid single-phase flow flowing corrosion testing loop | |
| CN210639042U (en) | Detachable loop type gas-liquid-solid erosion-wear combined test device | |
| CN107806847A (en) | A kind of pre- film thickness test device of corrosion inhibiter and method | |
| CN115200976A (en) | Adjustable gas-liquid-solid three-phase flow erosion wear test device | |
| CN101683576A (en) | Separator and flowmeter assembly with same | |
| CN109883813A (en) | Elbow corrosive wear electrochemistry synchronous test system under difference impact state | |
| CN113218801A (en) | Testing device and testing method for abrasion test of filling slurry conveying pipeline | |
| CN210217707U (en) | Shale gas desanding and separating system | |
| CN204353153U (en) | Pipe interior uses the device of air force cleaning and coating | |
| CN111044410A (en) | Device and method for detecting rheological property of coal slurry based on safety ring pipe | |
| CN102172572B (en) | Inner wall washing and coating corrosion resisting method for manifold pipelines in oil fields | |
| CN210442219U (en) | Sand-containing shale gas gathering and transportation pipeline erosion experiment loop platform | |
| CN211347796U (en) | Test bed for analyzing erosion wear of surface sample | |
| CN210066996U (en) | Underground pipe network water jet dredging construction device | |
| CN208012993U (en) | A kind of gas-liquid-solid multiphase flow erosion, corrosion comprehensive experimental device | |
| CN115683911A (en) | Multiphase flow erosion characteristic experiment analysis device | |
| Liu et al. | Experimental and numerical simulation study on the erosion behavior of the elbow of gathering pipeline in shale gas field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |