CN2876322Y - Jet beat washing wax removing chemical adding multi purpose car - Google Patents
Jet beat washing wax removing chemical adding multi purpose car Download PDFInfo
- Publication number
- CN2876322Y CN2876322Y CN 200520112129 CN200520112129U CN2876322Y CN 2876322 Y CN2876322 Y CN 2876322Y CN 200520112129 CN200520112129 CN 200520112129 CN 200520112129 U CN200520112129 U CN 200520112129U CN 2876322 Y CN2876322 Y CN 2876322Y
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- jet
- washing lotion
- storage tank
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Abstract
The utility model is a kind of multi-functional truck of thermal spray flow clearing wax and dosing medicine and chemical protection, belonging to the new field of fluid power application. The main characteristics are: the whole truck is composed of the cubic storage tank of thermal lotion fixed on the truck trough, the spray flow heating device and the tools for electronic welding and so on. Inside the storage tank of thermal lotion is the conical spiral storage room for medicines with spiral separation umbrella; outside the storage tank of thermal lotion is funnel for adding medicine, the return pipe of heat washing and other pipe valves. The spray flow heating device is composed of a motor, a pump, a thermal chamber of spray flow and other components. In the thermal washing truck, the drive of the spray flow replaces various types of fuel; the model has the advantages of energy-saving, safety and environmental protection, and the model can be widely used in the thermal washing of wax in oil wells, in dosing medicine and chemical protection, in cleaning pipes and other places.
Description
Technical field:
The utility model is a kind of injection stream hot-washing wax remover dosing chemoprevention multiservice car, it is the revolutionary character breakthrough of technology that traditional hot is washed, this hot-washing wax remover dosing chemoprevention multiservice car has replaced each class A fuel A by fluid dynamic, has the advantage of energy-conservation, safety, environmental protection, belongs to the fluid power applications frontier.
Background technology:
In oil field development, sand, wax, water, thick, gas are the technical barriers of the efficient exploitation in restriction oil field.Be to solve the puzzlement of viscous crude and wax deposition, both at home and abroad except that paraffin control with inhibitor viscosity reduction, heating sucker rod heating means, conventional method is that oil well heat is washed at present.The thermal source that oil well heat is washed is mainly fuel oil, combustion gas, and this kind mode of heating not only expends a large amount of fuel, also can produce environment pollution.In a word, no matter take above-mentioned which kind of method, all there are energy consumption height, the high and many management inconvenience of material consumption, sometimes also often cause formation contaminant, influence the normal exploitation in oil field, need the heat of a kind of low-consumption high-efficiency of exploitation badly and wash equipment, to solve the exploitation difficult problem in high viscosity high waxy oil field.
According to principle of hydrodynamics, in airtight pipeline, the high velocity liquid of particle disordered motion stream can produce violent collision and friction, and its kinetic energy can part be converted to heat energy with big portion.Thereby, as long as create the condition of fluid stream disordered motion, will produce strong turbulent flow, and then fluid dynamic energy is converted to heat energy.Flow the principle that disordered motion can be converted to kinetic energy heat energy based on liquid, the mankind have carried out useful many times exploration.After cold war finishes, the Ukraine expert utilizes the turbulent at a high speed cavitation phenomenon that is produced, the surface produces relative negative pressure within it, make the liquid heating and produce a large amount of micro-bubbles, around under the flow stream pressure effect, bubble high velocity impact, friction, explosion, thus discharge huge energy, and then heating liquid, make injection stream pyrogenicity become possibility in the application of industry and civil area.
Summary of the invention:
The purpose of this utility model provides a kind of injection stream hot-washing wax remover dosing chemoprevention multiservice car, and this multiservice car is formed by being fixed on hot washing lotion storage tank (2), injection stream heating device and electrogas welding on the tow truck (1) the maintenance mans' apparatus of speedily carrying out rescue work; Tow truck (1) is by common jubilee wagen or tractor repacking; The built-in band spiral gas-liquid of hot washing lotion storage tank (2) separates the cone-type spiral drug storage chamber (7) of umbrella (6), and peripheral hardware topping up, emptying, backflow three way cock (3), heat are washed backwater manifold (4), dosing funnel (5), dose control valve (8), hot washing lotion or dosing sample valve (9), blowoff valve (10); The injection stream heating device is made up of pump (14), motor (15), injection heating chamber and annex thereof; Pump (14) by hot washing lotion advance pump manifold (16), pump discharge manifold (17) is communicated with hot washing lotion storage tank (2) inner chamber; Hot washing lotion is advanced on the pump manifold (16) to connect control valve, priming valve, thermometer hole successively, connects control valve, jet manifold (18), injection heating chamber, thermometer hole, pressure meter, heat on the pump discharge manifold (17) successively and washes out a mouthful manifold (19); The built-in many wings empennage of injection heating chamber helix flow-disturbing is induced gyro (25); Complete unit is fixed on tow truck (1) recessing by support (11), skid sledge (12), cushion blocking (13); Tow truck (1) the recessing rear portion installing electrogas welding maintenance mans' apparatus of speedily carrying out rescue work.
The purpose of this utility model provides a kind of injection stream hot-washing wax remover dosing chemoprevention multiservice car, the plane of this multiservice car package unit and solid are arranged as the hot washing lotion storage tank (2) that is fixed on the skid sledge (12) and place the recessing front portion, pump (14), motor (15) and import and export that manifold is positioned at thereafter and horizontal or along putting with the recessing direction, the back is the electrogas welding maintenance mans' apparatus of speedily carrying out rescue work again; The vaulted end socket in hot washing lotion storage tank (2) top is connected with the tank body bolt seal, and the bottom is the taper back cover, and opening angle 30-120 ° perhaps is vaulted back cover; Topping up, emptying, the visual direction of backflow three way cock (3) are established transparent liquid level looking glass; Heat is washed backwater manifold (4), heat washes out a mouthful manifold (19) and establishes the oil ninth of the ten Heavenly Stems or oil head in the ninth of the ten Heavenly Stems with the extension tube attached junction, and is fixed on the skid sledge (12); There is the movable sealing lid on dosing funnel (5) top and is communicated with cone-type spiral drug storage chamber (7) by the vaulted end socket in hot washing lotion storage tank (2) top; Hot washing lotion or dosing sample valve (9) place tank body cylindrical section bottom; Blowoff valve (10) places the tank base cone tip part; It is 90 °-170 ° that the built-in spiral gas-liquid of hot washing lotion storage tank (2) separates umbrella (6) opening angle, pitch 30-100mm, spiral groove depth 30-80mm; Cone-type spiral drug storage chamber (7) opening angle 30-90., pitch 30-100mm, spiral groove depth 30-80mm; Dose control valve (8) is a tapered rod, the chemical feed pipe cone seal built-in with hot washing lotion storage tank (2), and its cone seal position spreads all over 1-20 insecticide-spraying hole.
The purpose of this utility model provides a kind of injection stream hot-washing wax remover dosing chemoprevention multiservice car, this multiservice car injection heating chamber form by the pipeline cavity of different inner diameters and shape, its turbulent flow excites chamber liquid inflow entrance section (20) to be the undergauge horn mouth, high-speed jet section (21) is isometrical section, and isometrical section inner surface casting matsurface do not processed; High-speed jet section (21) excites the mode of turbulent flow that multiple optimizing structure arranged, and perhaps its external surface radial equipartition 1-3 arranges reverse jet orifice (22), and front-seat reverse jet orifice and the back reverse jet orifice of row and the optimum angle of axis are generally 15-70.Be staggered front to back distribution, every discharge discharge orifice 1-6 hole, adjacent two holes with front-seat jet orifice of next discharge discharge orifice are staggered into perpendicular bisector and are symmetrically distributed, the jet orifice outside seals with jet chamber (23), regulate its jet flow with jet manifold (18), less than the sprue flow, reverse jet orifice (22) is sphere or cone barrel equalization chamber (24) afterwards with the control jet flow; The empennage of wing more than helix flow-disturbing perhaps is set induces gyro (25), revolving helix (28) about its taper becomes protruding or recessed single spiral path to distribute, perhaps become with track to revolve bipitch about unidimensional and distribute, perhaps become with revolving bipitch about the track different size to distribute, many wings empennage helix flow-disturbing is induced gyro (25) or is fixed on isometrical section symmetrical centre with many wings empennage (29) or with core bar or with ring, wherein many wings empennage (29) is the 3-10 wing, intersects symmetrical distribution between wing (30) and each wing; Perhaps reverse jet orifice (22) induces gyro (25) to be used in combination with many wings empennage helix flow-disturbing; Many wings empennage helix flow-disturbing induces gyro (25) to be noise elimination absorbing reflection room (26) afterwards, and hole enlargement horn mouth cavity thereafter is hot-fluid jet (27).
The purpose of this utility model provides a kind of injection stream hot-washing wax remover dosing chemoprevention multiservice car, and this multiservice car has hot-washing wax remover, dosing chemoprevention two cover flow processs, can adapt to hot-washing wax remover, dosing chemoprevention, speedily carry out rescue work and keep in repair the needs of different purposes.Its workflow is as follows:
1.. hot-washing wax remover
With the topping up on the hot washing lotion storage tank (2), emptying, the priming valve that backflow three way cock (3) or hot washing lotion are advanced on the pump manifold (16) is connected external water source, hot washing lotion storage tank (2) inner chamber is filled with water to the design liquid level, start injection stream pyrogenicity system, the clear water (or crude oil or oil-water mixture) of hot washing lotion storage tank (2) inner chamber advances pump manifold (16) through hot washing lotion, injection heating chamber is injected in pump discharge manifold (17) pressurization, simultaneously, water under high pressure in the bypass jet manifold (18) is injected sprue with the flow less than sprue through reverse jet orifice (22), the reverse High-Pressure Water of multiply produces strong turbulent high velocity impact, friction, make liquid kinetic energy be converted into heat energy, after liquid flows to equalization chamber (24), the pressure cataclysm, its shock wave vibration and sound wave are subdued stable, and then twice transformation is a heat energy; Have perhaps that She presses be heated fluid so that many wings empennage helix flow-disturbing of flowing through is induced gyro (25), sharp impacts, friction once more, heated fluid stream is heated for three times, through noise elimination absorbing reflection room (26) vibration-absorbing and silencing once more, realize four heating afterwards, spray into hot washing lotion storage tank (2) inner chamber at last, so circulation heating, make hot washing lotion storage tank (2) heated medium reach the well-flushing temperature, connect heat and wash out a mouthful manifold (19), heat is washed backwater manifold (4) and oil well or pipeline are carried out heat is washed.Well-flushing backwater liquid is washed backwater manifold (4) through heat and is flowed back to hot washing lotion storage tank (2), pressure drop, liquid stream gets rid of to tank skin along spiral Oil-gas Separation umbrella (6), realize gas-liquid separation, gas phase is overflowed through topping up, emptying, backflow three way cock (3), liquid phase continues along cone-type spiral drug storage chamber (7) outer wall by at a high speed to low speed rotation, realize liquid-solid separation, isolated liquid phase continues to be recycled heating, isolated solid phase impurity, is discharged through blowoff valve (10) to a jar end along hot washing lotion storage tank (2) lower taper tank skin precipitation or landing.
2.. the dosing chemoprevention
When repeating aforesaid operations, inject medicament by dosing funnel (5) to cone-type spiral drug storage chamber (7), control dose control valve (8) makes medicament pump in the well with the flushing fluid circulation, realizes the purpose of dosing chemoprevention.
3.. the maintenance of speedily carrying out rescue work
The equipment electrogas welding of the recessing rear portion of this injection stream hot-washing wax remover dosing chemoprevention multiservice car and the maintenance mans' apparatus of speedily carrying out rescue work, can be at any time to pipeline speedily carry out rescue work that mending-leakage, oil-water well are safeguarded, oil pumper accent ginseng, maintenance etc.
The utility model injection stream hot-washing wax remover dosing chemoprevention multiservice car and conventional heat are washed mode relatively, have following clear superiority.
1. without any need for fuel, energy-conservation significantly;
2. by fluid dynamic pyrogenicity, realized " 0 " pollution;
3. hot-washing wax remover, dosing chemoprevention, the many usefulness of maintenance one car of speedily carrying out rescue work can realize efficient low-consume.
Injection stream hot-washing wax remover dosing chemoprevention multiservice car has been broken through traditional heat and has been washed mode of heating, is initiative hot car washing replacement equipment.
Description of drawings:
Fig. 1 is an injection stream hot-washing wax remover dosing chemoprevention multiservice car structure schematic flow sheet, wherein: 1. tow truck; 2. hot washing lotion storage tank; 3. topping up, emptying, backflow three way cock; 4. heat is washed backwater manifold (comprising pipeline, gate, the oily ninth of the ten Heavenly Stems etc.); 5. dosing funnel; 6. spiral gas-liquid separates umbrella; 7. cone-type spiral drug storage chamber; 8. dose control valve; 9. hot washing lotion (dosing) sample valve; 10. blowoff valve; 11. support; 12. skid sledge; 13. cushion blocking; 14. pump; 15. motor; 16. hot washing lotion is advanced pump manifold (comprising pipeline, gate, priming valve, thermometer hole); 17. pump discharge manifold (comprising pipeline, gate, pressure meter, injection heating chamber, thermometer hole etc.); 18. jet manifold (comprising pipeline, gate etc.); 19. heat washes out a mouthful manifold (comprising pipeline, gate, the oily ninth of the ten Heavenly Stems etc.).
Fig. 2 is the injection heating chamber structural representation, and wherein: 20. turbulent flows excite chamber liquid inflow entrance section; 21. high-speed jet section; 22. reverse jet orifice; 23. jet chamber; 24. spherical equalization chamber; 25. many wings empennage helix flow-disturbing is induced gyro; 26. noise elimination absorbing reflection room; 27. hot-fluid jet.
Fig. 3 induces the gyro structural representation for many wings empennage helix flow-disturbing, wherein: revolve helix about 28. tapers; 29. many wings empennage.
Fig. 4 induces many wings of gyro empennage sectional drawing for many wings empennage helix flow-disturbing, wherein: 30. wings.
Embodiment:
The tow truck (1) of the utility model injection stream hot-washing wax remover dosing chemoprevention multiservice car is reequiped with common jubilee wagen or tractor.The hot washing lotion storage tank (2) and the injection stream heating device that are fixed on the skid sledge (12) are fixed on tow truck (1) recessing by cushion blocking (13).Hot washing lotion storage tank (2) places the recessing front portion, and pump thereafter (14), motor (15) and import and export manifold thereof and recessing direction are horizontal.Hot washing lotion storage tank (2) top is vaulted end socket, is tightly connected with bolt, sealing mat with tank body; The bottom is taper back cover, 90 ° of opening angles.It is 90 ° that built-in spiral gas-liquid separates umbrella (6) opening angle, pitch 60mm, spiral groove depth 60mm; Cone-type spiral drug storage chamber (7) opening angle is 45 °, pitch 60mm, spiral groove depth 60mm.The movable sealing lid is arranged at dosing funnel (5) top.Dose control valve (8) is a tapered rod, the chemical feed pipe cone seal built-in with hot washing lotion storage tank (2), uniform 6 holes of its cone seal head.Topping up, emptying, the visual direction of backflow three way cock (3) are established transparent liquid level looking glass.Hot washing lotion (dosing) sample valve (9) places tank body cylindrical section bottom.Blowoff valve (10) places the tank base cone tip part.The pump of injection stream heating device (14) by hot washing lotion advance pump manifold (16), pump discharge manifold (17) is communicated with hot washing lotion storage tank (2) inner chamber.Hot washing lotion is advanced on the pump manifold (16) to connect control valve, priming valve, thermometer hole successively, connects control valve, jet manifold (18), injection heating chamber, thermometer hole, pressure meter, heat on the pump discharge manifold (17) successively and washes out a mouthful manifold (19).Heat is washed backwater manifold (4), heat washes out a mouthful manifold (19) and establishes the oil ninth of the ten Heavenly Stems or oil head in the ninth of the ten Heavenly Stems with the extension tube attached junction, and is fixed on the skid sledge (12).
Injection heating chamber is made up of the pipeline cavity of different inner diameters and shape, and its turbulent flow excites chamber liquid inflow entrance section (20) to be the undergauge horn mouth, and high-speed jet section (21) is isometrical section, and isometrical section inner surface casting matsurface do not processed.It is external surface radial equipartition three row's reverse jet orifices (22) that high-speed jet section (21) excites the mode of turbulent flow, front-seat reverse jet orifice is 15 ° with back reverse jet orifice of row and axis angle, 30 °, 45 ° are staggered front to back distribution, every discharge discharge orifice three holes, adjacent two holes with front-seat jet orifice of next discharge discharge orifice are staggered into perpendicular bisector and are symmetrically distributed, the jet orifice outside seals with jet chamber (23), reverse jet orifice (22) is spherical equalization chamber (24) afterwards, for with track unidimensional about revolve many wing empennage bipitch flow-disturbing induce gyro (25) more thereafter, and be fixed on isometrical section symmetrical centre with many wings empennage (29), be noise elimination absorbing reflection room (26) afterwards, hole enlargement horn mouth cavity thereafter is hot-fluid jet (27).
The capital equipment technical data is:
Tractor load-carrying 5T, power of motor 45KW, centrifugal pump lift 250M.
Claims (5)
1. injection stream hot-washing wax remover dosing chemoprevention multiservice car, its principal character is: car load is formed by being fixed on hot washing lotion storage tank (2), injection stream heating device and electrogas welding on the tow truck (1) the maintenance mans' apparatus of speedily carrying out rescue work; Tow truck (1) is reequiped with common jubilee wagen or tractor; The built-in band spiral gas-liquid of hot washing lotion storage tank (2) separates the cone-type spiral drug storage chamber (7) of umbrella (6), and peripheral hardware topping up, emptying, backflow three way cock (3), heat are washed backwater manifold (4), dosing funnel (5), dose control valve (8), hot washing lotion or dosing sample valve (9), blowoff valve (10); The injection stream heating device is made up of pump (14), motor (15), injection heating chamber and annex thereof; Pump (14) by hot washing lotion advance pump manifold (16), pump discharge manifold (17) is communicated with hot washing lotion storage tank (2) inner chamber; Hot washing lotion is advanced on the pump manifold (16) to connect control valve, priming valve, thermometer hole successively, connects control valve, jet manifold (18), injection heating chamber, thermometer hole, pressure meter, heat on the pump discharge manifold (17) successively and washes out a mouthful manifold (19); The built-in many wings empennage of injection heating chamber helix flow-disturbing is induced gyro (25); Complete unit is fixed on tow truck (1) recessing by support (11), skid sledge (12), cushion blocking (13); Tow truck (1) the recessing rear portion equipment electrogas welding maintenance mans' apparatus of speedily carrying out rescue work.
2. injection stream hot-washing wax remover dosing chemoprevention multiservice car according to claim 1, it is characterized in that: the plane of package unit and solid are arranged as the hot washing lotion storage tank (2) that is fixed on the skid sledge (12) and place the recessing front portion, pump (14), motor (15) and import and export that manifold is positioned at thereafter and horizontal or along putting with the recessing direction, the back is the electrogas welding maintenance mans' apparatus of speedily carrying out rescue work again; The vaulted end socket in hot washing lotion storage tank (2) top is connected with the tank body bolt seal, and the bottom is the taper back cover, and opening angle 30-120 ° perhaps is vaulted back cover; Topping up, emptying, the visual direction of backflow three way cock (3) are established transparent liquid level looking glass; Heat is washed backwater manifold (4), heat washes out a mouthful manifold (19) and establishes the oil ninth of the ten Heavenly Stems or oil head in the ninth of the ten Heavenly Stems with the extension tube attached junction, and is fixed on the skid sledge (12); There is the movable sealing lid on dosing funnel (5) top and is communicated with cone-type spiral drug storage chamber (7) by the vaulted end socket in hot washing lotion storage tank (2) top; Hot washing lotion or dosing sample valve (9) place tank body cylindrical section bottom; Blowoff valve (10) places the tank base cone tip part.
3. injection stream hot-washing wax remover dosing chemoprevention multiservice car according to claim 1 is characterized in that: it is 90 °-170 ° that the built-in spiral gas-liquid of hot washing lotion storage tank (2) separates umbrella (6) opening angle, pitch 30-100mm, spiral groove depth 30-80mm; Opening angle 30-90 ° of cone-type spiral drug storage chamber (7), pitch 30-100mm, spiral groove depth 30-80mm; Dose control valve (8) is a tapered rod, the chemical feed pipe cone seal built-in with hot washing lotion storage tank (2), and its cone seal position spreads all over 1-20 insecticide-spraying hole.
4. injection stream hot-washing wax remover dosing chemoprevention multiservice car according to claim 1, it is characterized in that: injection heating chamber is made up of the pipeline cavity of different inner diameters and shape, its turbulent flow excites chamber liquid inflow entrance section (20) to be the undergauge horn mouth, high-speed jet section (21) is isometrical section, and isometrical section inner surface casting matsurface do not processed; High-speed jet section (21) excites the mode of turbulent flow that multiple optimizing structure arranged, perhaps its external surface radial equipartition 1-3 arranges reverse jet orifice (22), front-seat reverse jet orifice and the back reverse jet orifice of row and the optimum angle of axis are generally 15-70 ° and are staggered front to back distribution, every discharge discharge orifice 1-6 hole, adjacent two holes with front-seat jet orifice of next discharge discharge orifice are staggered into perpendicular bisector and are symmetrically distributed, the jet orifice outside seals with jet chamber (23), regulate its jet flow with jet manifold (18), less than the sprue flow, reverse jet orifice (22) is sphere or cone barrel equalization chamber (24) afterwards with the control jet flow; The empennage of wing more than helix flow-disturbing perhaps is set induces gyro (25); Perhaps reverse jet orifice (22) induces gyro (25) to be used in combination with many wings empennage helix flow-disturbing; Many wings empennage helix flow-disturbing induces gyro (25) to be noise elimination absorbing reflection room (26) afterwards, and hole enlargement horn mouth cavity thereafter is hot-fluid jet (27).
5. injection stream hot-washing wax remover dosing chemoprevention multiservice car according to claim 1, it is characterized in that: many wings empennage helix flow-disturbing is induced and is revolved helix (28) about the taper of gyro (25) and become protruding or recessed single spiral path to distribute, perhaps become with track to revolve bipitch about unidimensional and distribute, perhaps become with revolving bipitch about the track different size to distribute; Many wings empennage helix flow-disturbing is induced gyro (25) or is fixed on isometrical section symmetrical centre with many wings empennage (29) or with core bar or with ring, and wherein many wings empennage (29) is the 3-10 wing, intersects symmetrical distribution between wing (30) and each wing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520112129 CN2876322Y (en) | 2005-06-30 | 2005-06-30 | Jet beat washing wax removing chemical adding multi purpose car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520112129 CN2876322Y (en) | 2005-06-30 | 2005-06-30 | Jet beat washing wax removing chemical adding multi purpose car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2876322Y true CN2876322Y (en) | 2007-03-07 |
Family
ID=37819559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520112129 Expired - Fee Related CN2876322Y (en) | 2005-06-30 | 2005-06-30 | Jet beat washing wax removing chemical adding multi purpose car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2876322Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106386764A (en) * | 2016-10-27 | 2017-02-15 | 武汉航达航空科技发展有限公司 | Agricultural spraying device of helicopter |
| CN115387758A (en) * | 2022-08-20 | 2022-11-25 | 西南石油大学 | Shaft wax removal and descaling device and operation method |
-
2005
- 2005-06-30 CN CN 200520112129 patent/CN2876322Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106386764A (en) * | 2016-10-27 | 2017-02-15 | 武汉航达航空科技发展有限公司 | Agricultural spraying device of helicopter |
| CN115387758A (en) * | 2022-08-20 | 2022-11-25 | 西南石油大学 | Shaft wax removal and descaling device and operation method |
| CN115387758B (en) * | 2022-08-20 | 2023-04-21 | 西南石油大学 | Paraffin removal and scale removal device for shaft and operation method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |