CN116237318A - Air pulse descaling process - Google Patents
Air pulse descaling process Download PDFInfo
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- CN116237318A CN116237318A CN202310108586.2A CN202310108586A CN116237318A CN 116237318 A CN116237318 A CN 116237318A CN 202310108586 A CN202310108586 A CN 202310108586A CN 116237318 A CN116237318 A CN 116237318A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000008569 process Effects 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000004005 microsphere Substances 0.000 claims abstract description 38
- 230000000694 effects Effects 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 238000005488 sandblasting Methods 0.000 claims abstract description 7
- 238000009991 scouring Methods 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims description 23
- 238000011010 flushing procedure Methods 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 13
- 210000004177 elastic tissue Anatomy 0.000 claims description 11
- 239000012762 magnetic filler Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000035485 pulse pressure Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 239000012459 cleaning agent Substances 0.000 abstract description 4
- 230000010355 oscillation Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 241001415288 Coccidae Species 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 3
- 238000010410 dusting Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 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
- 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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses an air pulse descaling process, which belongs to the technical field related to oilfield exploitation, and can realize that compressed air is taken as a power source, water is taken as a cleaning medium, high-pressure air flow sent by an air compressor forms pulse and high-speed water air flow together with water through a pulse oscillation generator, the pulse continuously propagates downwards along with the water air flow to form high-speed water air turbulence in a pipe, and the injected washing-assisting microspheres are utilized for carrying, so that scouring and sand blasting effects are generated on the inner wall of the pipe, soft dirt attached to the pipe wall is promoted to be separated, the washing-assisting microspheres can further improve the effect of removing stubborn dirt on the inner wall of the pipe, and the washing-assisting microspheres are discharged from a tail end drain along with the water air flow, so that no chemical cleaning agent is used, the environment is pollution-free, the operation distance is long, the efficiency is high, the use is convenient, the single person can easily operate, the oilfield exploitation cost is reduced, and the use frequency is increased.
Description
Technical Field
The invention relates to the technical field related to oilfield exploitation, in particular to an air pulse descaling process.
Background
Cement pipes are often used in oilfield exploitation, a large amount of dirt is inevitably attached to the inner wall of the cement pipe after long-time use, the cement pipe is large in size and is troublesome and time-consuming due to the fact that the cement pipe is manually cleaned, the flushing mode of a high-pressure water gun is poor in effect, and the dirt which is stubborn is difficult to really peel off.
Therefore, the invention provides an air pulse descaling process for solving the problem that dirt on the inner wall of a cement pipe is difficult to effectively remove in oilfield exploitation.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the invention aims to provide an air pulse descaling process, which can realize that compressed air is taken as a power source, water is taken as a cleaning medium, high-pressure air flow sent by an air compressor forms pulse and high-speed water air flow together with water through a pulse oscillation generator, the pulse continuously propagates downwards along with the water air flow to form high-speed water air turbulence in a pipe, and the injected washing-assisting microspheres are utilized for carrying, so that scouring and sand blasting effects are generated on the inner wall of the pipe, soft scale attached to the pipe wall is promoted to be separated, the washing-assisting microspheres can further improve the effect of removing the intractable scale on the inner wall of the pipe, and can be discharged from a tail end drain along with the water air flow, any chemical cleaning agent is not used, the environment is not polluted, the operation distance is long, the efficiency is high, the use is convenient, the single person can easily operate, the exploitation cost of an oil field is reduced, and the use frequency is improved.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
An air pulse de-dusting process comprising the steps of:
s1, preparing a cement pipe to be decontaminated before cleaning, and installing relevant pulse equipment;
s2, driving the pulser to extend into the cement pipe by using the alloy drill bit to remove soil, taking compressed air as a power source, taking water as a cleaning medium, and forming pulse and high-speed water flow together with the water by the pulser by high-pressure air flow sent by the air compressor;
s3, synchronously feeding a plurality of washing-assisting microspheres along with the water-air flow, continuously spreading the pulse downwards along with the water-air flow, forming high-speed water-air turbulence in the cement pipe, and entraining the plurality of washing-assisting microspheres;
s4, under the action of the water-air flow and the washing-assisting microspheres, scouring and sand blasting effects are generated on the inner wall of the pipeline, so that dirt attached to the pipe wall is promoted to be separated;
s5, discharging the separated dirt and the water air flow together with the washing-assisting microspheres.
Furthermore, the preparation before cleaning in the step S1 includes adding and replacing valves, and selecting an air inlet and a water outlet.
Further, in the step S2, the pulse pressure is 1.4-1.6 megapascals, and the pulse frequency is 600-800 times per minute.
Further, in the step S2, compressed air is provided by an air compressor, and the air intake of the air compressor is 25m 3 /min-28m 3 /min。
Further, after the step S5, residual water in the cement pipe is cleaned, the cement pipe is dried by adopting a mode of heating compressed air, and finally, an electromagnetic adsorption recovery device is arranged at a sewage outlet to recover the washing-assisting microspheres.
Furthermore, the process is suitable for cleaning cement pipes with the pipe diameter range of DN25-DN1000, and the cleaning length is 1000-2000m.
Further, the washing-assisting microsphere comprises an inner core ball, the outer end of the inner core ball is coated with a buffer coat, the outer end of the buffer coat is fixedly connected with a plurality of evenly distributed flushing diaphragms and bristle layers, the flushing diaphragms and bristle layers are distributed in a staggered mode, the inner core ball is light in skeleton texture and can effectively move along with the water flow, then impact and brushing effects are formed on the inner wall of a pipeline, the water flow is matched to further improve the removal effect of stubborn dirt, the buffer coat has the protection effect on the inner core ball and the inner wall of the pipeline, damage caused by overlarge impact force is avoided, the flushing diaphragms can remove and strip dirt, and the washing-assisting microsphere can help to more easily follow the water flow.
Furthermore, the inner core ball is made of a light material, the buffer coat is made of an elastic material, and the flushing diaphragm is made of a hard material with a high friction coefficient.
Further, the brush hair layer includes crisscross elastic fiber brush hair and stereoplasm fibre brush hair that distributes, and the length of elastic fiber brush hair is greater than the length of stereoplasm fibre brush hair, and the elasticity of elastic fiber brush hair is better, can clear up fine such as some soft dirt and absorptive dust foreign matter, can deformation simultaneously, can not influence stereoplasm fibre brush hair and wash the impact and the striking off effect of diaphragm on the pipeline inner wall, and the hardness of stereoplasm fibre brush hair is higher, can strike off to some firm dirt.
Further, the inner core ball is hollow structure, and the inner core ball is filled with magnetic filler, and the gravity center of the inner core ball can be changed under the action of water and air flow due to the filling of the magnetic filler, so that turbulent flow effects formed in cooperation can be widely distributed in the pipeline, the effect is better when the impact is formed on the inner wall of the pipeline, and meanwhile, the washing-assisting microsphere can be recycled by the electromagnetic adsorption recycling device.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) The scheme can be realized taking compressed air as a power source, taking water as a cleaning medium, and the high-pressure air flow sent by the air compressor forms pulse and high-speed water air flow together with water through the pulse oscillation generator, the pulse continuously propagates downwards along with the water air flow direction, so that high-speed water air turbulence is formed in the pipe, and the thrown washing-assisting microspheres are utilized to carry out entrainment, so that the inner wall of the pipeline generates scouring and sand blasting effects, soft scale attached to the pipe wall is caused to be separated, the washing-assisting microspheres can further improve the effect of removing stubborn scale on the inner wall of the pipeline, and the washing-assisting microspheres are discharged from a tail end sewage outlet along with the water air flow, so that no chemical cleaning agent is used, the environment is not polluted, the operation distance is long, the efficiency is high, the use is convenient, the operation can be easily performed by a single person, the exploitation cost of an oil field is reduced, and the use frequency is improved.
(2) The washing-assisting microsphere comprises an inner core ball, wherein the outer end of the inner core ball is coated with a buffer coat, the outer end of the buffer coat is fixedly connected with a plurality of evenly distributed flushing diaphragms and bristle layers, the flushing diaphragms and the bristle layers are distributed in a staggered mode, the inner core ball is light in skeleton texture and can move effectively along with the water flow, then impact and brushing effects are formed on the inner wall of a pipeline, the water flow is matched to further improve the removal effect of stubborn dirt, the buffer coat has the protection effect of the inner core ball and the inner wall of the pipeline, damage caused by overlarge impact force is avoided, the flushing diaphragms can remove and strip dirt, and the washing-assisting microsphere can help to follow the water flow more easily.
(3) The elasticity of this scheme elastic fiber brush hair is better, can clear up fine such as some soft dirt and absorptive dust foreign matter, can deform simultaneously, can not influence the impact and the striking off effect of stereoplasm fiber brush hair and flushing diaphragm to pipeline inner wall, and the hardness of stereoplasm fiber brush hair is higher, can strike off to some firm dirt.
(4) The inner core ball is of a hollow structure, the magnetic filler is filled in the inner core ball, on one hand, the gravity center of the inner core ball can be changed under the action of water and air flow through the filling of the magnetic filler, the turbulence effect formed in cooperation can be distributed more widely in a pipeline, the effect is better when the impact is formed on the inner wall of the pipeline, and meanwhile, the washing-assisting microsphere can be recycled by the electromagnetic adsorption recycling device.
Drawings
FIG. 1 is a schematic flow chart of the present invention;
FIG. 2 is a schematic view of the structure of the cement pipe of the present invention when the cement pipe is cleaned;
FIG. 3 is a schematic structural diagram of a washing-aid microsphere according to the present invention.
The reference numerals in the figures illustrate:
1. an inner core ball; 2. a cushioning garment; 3. flushing the membrane; 4. a magnetic filler; 5. elastic fiber bristles; 6. hard fiber bristles.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
referring to FIGS. 1-3, the air pulse de-dusting process comprises the steps of:
s1, preparing a cement pipe to be decontaminated before cleaning, and installing relevant pulse equipment;
s2, driving the pulser to extend into the cement pipe by using the alloy drill bit to remove soil, taking compressed air as a power source, taking water as a cleaning medium, and forming pulse and high-speed water flow together with the water by the pulser by high-pressure air flow sent by the air compressor;
s3, synchronously feeding a plurality of washing-assisting microspheres along with the water-air flow, continuously spreading the pulse downwards along with the water-air flow, forming high-speed water-air turbulence in the cement pipe, and entraining the plurality of washing-assisting microspheres;
s4, under the action of the water-air flow and the washing-assisting microspheres, scouring and sand blasting effects are generated on the inner wall of the pipeline, so that dirt attached to the pipe wall is promoted to be separated;
s5, discharging the separated dirt and the water air flow together with the washing-assisting microspheres.
The preparation before cleaning in the step S1 comprises adding and replacing valves, and selecting an air inlet and a water outlet.
The pulse pressure in step S2 was 1.5 mpa and the pulse frequency was 700 pulses per minute.
In the step S2, compressed air is provided by an air compressor, and the air inflow of the air compressor is 26m 3 /min。
And S5, cleaning residual water in the cement pipe, drying by adopting a mode of heating compressed air, and finally arranging an electromagnetic adsorption recovery device at a sewage outlet to recover the washing-aiding microspheres, wherein the electromagnetic adsorption recovery device can adopt an electromagnet to adsorb and intercept the washing-aiding microspheres at a water outlet.
The process is suitable for cleaning cement pipes with the pipe diameter range of DN25-DN1000, and the cleaning length is 1000-2000m.
The washing-aiding microsphere comprises an inner core ball 1, wherein the outer end of the inner core ball 1 is coated with a buffer coat 2, the outer end of the buffer coat 2 is fixedly connected with a plurality of evenly distributed flushing diaphragms 3 and bristle layers, the flushing diaphragms 3 and the bristle layers are distributed in a staggered mode, the inner core ball 1 is light in skeleton texture and can effectively move along with the water flow, then impact and brushing effects are formed on the inner wall of a pipeline, the removal effects of stubborn dirt are further improved by matching with the water flow, the buffer coat 2 has the protection effects of the inner core ball 1 and the inner wall of the pipeline, damage caused by overlarge impact force is avoided, the flushing diaphragms 3 can remove and strip dirt, and the washing-aiding microsphere can help the washing-aiding microsphere to follow the water flow more easily.
The core ball 1 is made of a lightweight material, such as a foam material, the cushioning garment 2 is made of an elastic material, such as a silica gel material, and the flushing diaphragm 3 is made of a hard material with a high friction coefficient, such as a frosted material.
The brush hair layer comprises elastic fiber brush hair 5 and hard fiber brush hair 6 which are distributed in a staggered way, the length of the elastic fiber brush hair 5 is larger than that of the hard fiber brush hair 6, the elastic fiber brush hair 5 is good in elasticity, soft dirt, adsorbed dust, foreign matters and the like can be well cleaned, meanwhile, the elastic fiber brush hair layer can be deformed, the impact and scraping effects of the hard fiber brush hair 6 and the flushing membrane 3 on the inner wall of a pipeline are not affected, the hardness of the hard fiber brush hair 6 is high, and stable dirt can be scraped.
The inner core ball 1 is hollow structure, and the inner core ball 1 intussuseption is filled with magnetic filler 4, can adopt granular or powdered ferromagnetic material, for example iron powder, and the gravity center of the inner core ball 1 changes under the effect of the water-air flow on the one hand by the filling of magnetic filler 4, cooperates the turbulent flow effect that forms, can be distributed more widely in the pipeline, and the effect is better when the pipeline inner wall forms the impact, makes simultaneously and helps the washing microballon to be retrieved by electromagnetic adsorption recovery unit and recycle.
The invention can realize that compressed air is taken as a power source, water is taken as a cleaning medium, high-pressure air flow sent by an air compressor forms pulse and high-speed water air flow together with water through the pulse oscillation generator, the pulse continuously propagates downwards along with the water air flow, high-speed water air turbulence is formed in a pipe, and the injected washing-assisting microspheres are utilized to carry out entrainment, so that the inner wall of a pipeline generates scouring and sand blasting effects, soft scale attached to the pipe wall is promoted to be separated, the washing-assisting microspheres can further improve the effect of removing stubborn scale on the inner wall of the pipeline, and the washing-assisting microspheres are discharged from a tail end drain outlet along with the water air flow, so that no chemical cleaning agent is used, the environment is not polluted, the operation distance is long, the efficiency is high, the use is convenient, the operation can be easily performed by a single person, the exploitation cost of an oil field is reduced, and the use frequency quality is improved.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (10)
1. An air pulse descaling process is characterized in that: the method comprises the following steps:
s1, preparing a cement pipe to be decontaminated before cleaning, and installing relevant pulse equipment;
s2, driving the pulser to extend into the cement pipe by using the alloy drill bit to remove soil, taking compressed air as a power source, taking water as a cleaning medium, and forming pulse and high-speed water flow together with the water by the pulser by high-pressure air flow sent by the air compressor;
s3, synchronously feeding a plurality of washing-assisting microspheres along with the water-air flow, continuously spreading the pulse downwards along with the water-air flow, forming high-speed water-air turbulence in the cement pipe, and entraining the plurality of washing-assisting microspheres;
s4, under the action of the water-air flow and the washing-assisting microspheres, scouring and sand blasting effects are generated on the inner wall of the pipeline, so that dirt attached to the pipe wall is promoted to be separated;
s5, discharging the separated dirt and the water air flow together with the washing-assisting microspheres.
2. The air pulse detergency process of claim 1, wherein: the preparation before cleaning in the step S1 comprises adding and replacing valves, and selecting an air inlet and a water outlet.
3. An air pulse detergency process as claimed in claim 2, wherein: the pulse pressure in the step S2 is 1.4-1.6 megapascals, and the pulse frequency is 600-800 times per minute.
4. The air pulse detergency process of claim 1, wherein: the compressed air in the step S2 is provided by an air compressor, and the air inflow of the air compressor is 25m 3 /min-28m 3 /min。
5. The air pulse detergency process of claim 1, wherein: and (5) cleaning the residual water in the cement pipe after the step (S5), drying by adopting a mode of heating compressed air, and finally, arranging an electromagnetic adsorption recovery device at a sewage outlet to recover the washing-aiding microspheres.
6. The air pulse detergency process of claim 1, wherein: the process is suitable for cleaning cement pipes with the pipe diameter range of DN25-DN1000, and the cleaning length is 1000-2000m.
7. The air pulse detergency process of claim 1, wherein: the washing-assisting microsphere comprises an inner core ball (1), wherein the outer end of the inner core ball (1) is coated with a buffer coat (2), the outer end of the buffer coat (2) is fixedly connected with a plurality of evenly distributed washing films (3) and bristle layers, and the washing films (3) and the bristle layers are distributed in a staggered mode.
8. The air pulse detergency process of claim 7, wherein: the inner core ball (1) is made of a light material, the buffer coat (2) is made of an elastic material, and the flushing diaphragm (3) is made of a hard material with a high friction coefficient.
9. The air pulse detergency process of claim 7, wherein: the bristle layer comprises elastic fiber bristles (5) and hard fiber bristles (6) which are distributed in a staggered mode, and the length of the elastic fiber bristles (5) is larger than that of the hard fiber bristles (6).
10. The air pulse detergency process of claim 7, wherein: the inner core ball (1) is of a hollow structure, and the inner core ball (1) is filled with a magnetic filler (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310108586.2A CN116237318A (en) | 2023-02-14 | 2023-02-14 | Air pulse descaling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310108586.2A CN116237318A (en) | 2023-02-14 | 2023-02-14 | Air pulse descaling process |
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| Publication Number | Publication Date |
|---|---|
| CN116237318A true CN116237318A (en) | 2023-06-09 |
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ID=86630735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310108586.2A Withdrawn CN116237318A (en) | 2023-02-14 | 2023-02-14 | Air pulse descaling process |
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| Country | Link |
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| CN (1) | CN116237318A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117087127A (en) * | 2023-10-19 | 2023-11-21 | 常州纺兴精密机械有限公司 | Cleaning device for production and processing of spinning caps based on acetate fiber special-shaped holes |
-
2023
- 2023-02-14 CN CN202310108586.2A patent/CN116237318A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117087127A (en) * | 2023-10-19 | 2023-11-21 | 常州纺兴精密机械有限公司 | Cleaning device for production and processing of spinning caps based on acetate fiber special-shaped holes |
| CN117087127B (en) * | 2023-10-19 | 2023-12-15 | 常州纺兴精密机械有限公司 | Cleaning device for production and processing of spinning caps based on acetate fiber special-shaped holes |
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