CN217529219U - High-sealing and anti-oxidation high-temperature sintering machine for metal powder processing - Google Patents
High-sealing and anti-oxidation high-temperature sintering machine for metal powder processing Download PDFInfo
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- CN217529219U CN217529219U CN202220862811.2U CN202220862811U CN217529219U CN 217529219 U CN217529219 U CN 217529219U CN 202220862811 U CN202220862811 U CN 202220862811U CN 217529219 U CN217529219 U CN 217529219U
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- sintering machine
- temperature sintering
- heat
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- metal powder
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- 238000005245 sintering Methods 0.000 title claims abstract description 53
- 238000007789 sealing Methods 0.000 title claims abstract description 43
- 239000002184 metal Substances 0.000 title claims abstract description 36
- 230000003064 anti-oxidating effect Effects 0.000 title claims abstract description 13
- 238000009700 powder processing Methods 0.000 title claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 45
- 238000005192 partition Methods 0.000 claims description 23
- 229920001296 polysiloxane Polymers 0.000 claims description 13
- 239000004519 grease Substances 0.000 claims description 11
- 230000003647 oxidation Effects 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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Abstract
The utility model discloses a high sealed anti-oxidation's high temperature sintering machine is used in metal powder processing, including shell and determine module, the front arrangement of shell has the door plant, and the inside of door plant is provided with the vacuum cavity, the outer end rear side of door plant is provided with first sealing washer, and the rear side outer end of door plant is fixed with the second sealing washer, is used for sealed the detection determine module sets up in the top central authorities of shell, determine module includes exhaust tube, vacuum pump, baroceptor and audible-visual annunciator. This high temperature sintering machine for processing of high sealed anti-oxidation metal powder can seal between shell and the inner shell and the door plant respectively through the setting of first sealing washer and second sealing washer, improves the holistic sealing performance of high temperature sintering machine, and after sealed, starts the vacuum pump, makes the air between shell and the inner shell discharge through the exhaust tube, makes it keep the vacuum form to can detect the leakproofness in the high temperature sintering machine through baroceptor, real-time.
Description
Technical Field
The utility model relates to a metal powder processing technology field specifically is a high temperature sintering machine is used in anti-oxidation metal powder processing of high sealed.
Background
The metal powder is a metal particle group with the size less than 1mm, comprises single metal powder, alloy powder and certain refractory compound powder with metal property, is a main raw material of powder metallurgy, belongs to loose substances, comprehensively reflects the property of metal and the property of single particle and the characteristic of the particle group, needs to be used in a high-temperature sintering machine when the metal powder is processed, is suitable for sintering operation of a large-scale ferrous metallurgy sintering plant, is main equipment in an air draft sintering process, can sinter concentrate powder with different components and different particle sizes and rich mineral powder into blocks, and partially eliminates harmful impurities such as sulfur, phosphorus and the like contained in ores.
When a high-temperature sintering machine on the market is used, the internal tightness is not convenient to detect, and the metal powder is easily oxidized during sintering due to insufficient sealing, so that the sintering quality is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature sintering machine is used in processing of high sealed anti-oxidation metal powder to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high sealed anti-oxidation high temperature sintering machine for metal powder processing, includes shell and determine module, the openly arrangement of shell has the door plant, and the inside of door plant is provided with the vacuum cavity, the outer end rear side of door plant is provided with first sealing washer, and the rear side outer end of door plant is fixed with the second sealing washer, is used for sealed the detection determine module sets up in the top central authorities of shell, determine module includes exhaust tube, vacuum pump, baroceptor and audible and visual alarm, the upper end arrangement of exhaust tube has the vacuum pump, and the inside upper left end of shell is provided with baroceptor, baroceptor's top is provided with audible and visual alarm, the inside arrangement of shell has the inner shell, and the left side upper end of inner shell is provided with first intake pipe, the left side lower extreme of inner shell is provided with first exhaust pipe.
Further, inner shell and shell fixed connection, and closely laminate between inner shell and the second sealing washer.
Further, the inboard of inner shell is provided with the glass fiber layer, and the inboard on glass fiber layer is provided with heat conduction silicone grease layer, the inside arrangement on heat conduction silicone grease layer has the electrothermal tube, and the inboard on heat conduction silicone grease layer is provided with the inside lining, the arrangement of the right side upper end of inner shell has the second blast pipe, and the arrangement of the right side lower extreme of inner shell has the second intake pipe, the right-hand member of second intake pipe is connected with the cooling module who is used for quick cooling.
Furthermore, the cooling assembly comprises a cooling box, a heat conduction partition plate, a flow guide plate and a heat exchange tube, the heat conduction partition plate is arranged in the center of the inside of the cooling box, the flow guide plate is fixed on the front side of the heat conduction partition plate, and the heat exchange tube is arranged in the heat conduction partition plate.
Furthermore, the cooling assembly further comprises a fan, a water inlet pipe and a water drain pipe, the fan is fixed at the lower left end inside the cooling box, the water inlet pipe is arranged at the lower end of the rear side of the cooling box, and the water drain pipe is arranged at the upper end of the rear side of the cooling box.
Furthermore, the width of the guide plates is smaller than the width of the inner side of the cooling box, and the guide plates are distributed in a staggered mode relative to the front face of the heat conduction partition plate.
Furthermore, the heat exchange tubes are distributed at equal intervals on the front face of the heat conduction partition plate, and the heat conduction partition plate is positioned at the position of one half of the width of the cooling box.
The utility model provides a high sealed anti-oxidation high temperature sintering machine for metal powder processing possesses following beneficial effect: this high-temperature sintering machine is used in processing of high sealed anti-oxidation metal powder adopts the mutual cooperation between a plurality of subassemblies, not only can appear leaking in the high-temperature sintering machine, in time remind the staff to maintain and overhaul, improve the sealing performance of high-temperature sintering machine, prevent to influence the sintering quality of metal powder because of the oxidation, and can also make the high-temperature sintering machine even heating, efficiency when improving the heating, and also can strengthen the heat preservation thermal-insulated ability of high-temperature sintering machine, and can also be quick cool down the high-temperature sintering machine, improve the efficiency of adding man-hour.
1. The utility model discloses a setting of first sealing washer and second sealing washer can be sealed between shell and inner shell respectively and the door plant, improve the holistic sealing performance of high temperature sintering machine, and after sealed, start the vacuum pump, make the air between shell and the inner shell discharge through the exhaust tube, make it keep the vacuum form, thereby can detect the leakproofness in the high temperature sintering machine in real time through the baroceptor, when the internal atmospheric pressure fluctuation that leads to leaking gas appears, can control the acousto-optic alarm in time and remind the staff to maintain, also can avoid oxygen to enter the inner shell inside through the protection of vacuum layer simultaneously, prevent to influence the quality after the sintering because of metal oxidation;
2. the utility model discloses a set up the heat conduction silicone grease layer in the outside of electrothermal tube, be convenient for with the even conduction of the heat that the electrothermal tube distributed out on the inside lining, improve the efficiency when intensification, and also can make the inside of high temperature sintering machine heat up evenly, still through setting up the glass fiber layer in the inboard of inner shell simultaneously, can improve the heat preservation ability of inner shell, and still through the setting of the vacuum form and the door plant inner vacuum cavity that form between shell and the inner shell, can further improve the whole heat preservation and thermal insulation performance of high temperature sintering machine, avoid the heat to scatter out heat conduction power consumption increase;
3. the utility model discloses a cooling module's setting, can be after the sintering, pour into the coolant liquid into through the inlet tube toward the inside rear end of cooler bin, open the valve of second blast pipe and second intake pipe again, and start the fan, just, the protective gas after can making the heating enters into in the cooler bin, and get off at the effect of heat conduction baffle and heat exchange tube and cool off the protective gas, still prolong the flow path of air current through the guide plate simultaneously, just, the effect when cooling can be improved, thereby can be quick cool down the cooling to the metal after the sintering, be favorable to improving the efficiency of adding man-hour.
Drawings
FIG. 1 is a schematic view of the overall structure of a high-temperature sintering machine for metal powder processing with high sealing and oxidation resistance;
FIG. 2 is a schematic diagram of the left side view of the whole high-temperature sintering machine for processing metal powder with high sealing and oxidation resistance;
fig. 3 is a structural schematic diagram of the right side view inside the cooling box of the high-temperature sintering machine for processing high-sealing and anti-oxidation metal powder of the present invention.
In the figure: 1. a housing; 2. a door panel; 3. a vacuum chamber; 4. a first seal ring; 5. a second seal ring; 6. a detection component; 601. an air exhaust pipe; 602. a vacuum pump; 603. an air pressure sensor; 604. an audible and visual alarm; 7. an inner shell; 8. a first intake pipe; 9. a first exhaust pipe; 10. a glass fiber layer; 11. a thermally conductive silicone layer; 12. an electric heating tube; 13. lining; 14. a second exhaust pipe; 15. a second intake pipe; 16. a cooling assembly; 1601. a cooling tank; 1602. a thermally conductive spacer; 1603. a baffle; 1604. a heat exchange pipe; 1605. a fan; 1606. a water inlet pipe; 1607. and a drain pipe.
Detailed Description
As shown in fig. 1-2, a high-sealing and anti-oxidation high-temperature sintering machine for processing metal powder comprises an outer casing 1 and a detection assembly 6, wherein a door plate 2 is arranged on the front surface of the outer casing 1, a vacuum chamber 3 is arranged inside the door plate 2, a first sealing ring 4 is arranged on the rear side of the outer end of the door plate 2, a second sealing ring 5 is fixed on the outer end of the rear side of the door plate 2, the detection assembly 6 for sealing detection is arranged in the center of the top end of the outer casing 1, the detection assembly 6 comprises an exhaust pipe 601, a vacuum pump 602, an air pressure sensor 603 and an acousto-optic alarm 604, the vacuum pump 602 is arranged at the upper end of the exhaust pipe 601, the air pressure sensor 603 is arranged at the left upper end inside the outer casing 1, the vacuum pump 602 is started, air between the outer casing 1 and the inner casing 7 can be exhausted through the exhaust pipe 601 to keep the vacuum state, and the sealing performance in the high-temperature sintering machine can be detected in real time through the air pressure sensor 603, and can further improve the overall heat preservation and insulation performance of the high-temperature sintering machine by utilizing vacuum, avoid the increase of heat dissipation and heat conduction energy consumption, the acousto-optic alarm 604 is arranged above the air pressure sensor 603, when the internal air pressure fluctuates due to air leakage, the acousto-optic alarm 604 can be controlled to remind workers to maintain in time, meanwhile, oxygen can be prevented from entering the inner shell 7 through the protection of a vacuum layer, the quality after sintering is prevented from being influenced by metal oxidation, the inner shell 7 is arranged in the outer shell 1, the upper end of the left side of the inner shell 7 is provided with the first air inlet pipe 8, the inner shell 7 is fixedly connected with the outer shell 1, the inner shell 7 is tightly attached with the second sealing ring 5, the inner shell 7 can be sealed with the door plate 2 through the second sealing ring 5, and the overall sealing performance of the high-temperature sintering machine is improved, the lower end of the left side of the inner shell 7 is provided with a first exhaust pipe 9, the inner side of the inner shell 7 is provided with a glass fiber layer 10, the inner side of the glass fiber layer 10 is provided with a heat conduction silicone grease layer 11, the heat conduction silicone grease layer 11 can conduct heat emitted by the electric heating pipe 12 to the lining 13 uniformly, the heating efficiency is improved, the temperature inside a high-temperature sintering machine can be uniformly heated, meanwhile, the glass fiber layer 10 is arranged on the inner side of the inner shell 7, the heat preservation capability of the inner shell 7 can be improved, the electric heating pipe 12 is arranged inside the heat conduction silicone grease layer 11, the lining 13 is arranged on the inner side of the heat conduction silicone grease layer 11, a second exhaust pipe 14 is arranged at the upper end of the right side of the inner shell 7, and a second air inlet pipe 15 is arranged at the lower end of the right side of the inner shell 7.
As shown in fig. 3, the right end of the second air inlet pipe 15 is connected with a cooling assembly 16 for rapid cooling, the cooling assembly 16 includes a cooling box 1601, a heat conducting partition 1602, a flow guide plate 1603 and a heat exchange pipe 1604, the heat conducting partition 1602 is disposed in the center of the inside of the cooling box 1601, the flow guide plate 1603 is fixed on the front side of the heat conducting partition 1602, the width of the flow guide plate 1603 is smaller than the inside width of the cooling box 1601, the flow guide plate 1603 is in staggered distribution with respect to the front side of the heat conducting partition 1602, the flow path of the air flow is extended by the flow guide plate 1603, so that the cooling effect can be improved, the heat exchange pipe 1604 is disposed inside the heat conducting partition 1602, the heat exchange pipe 1604 is in equidistant distribution with respect to the front side of the heat conducting partition 1602, the heat conducting partition 1602 is located at one half of the width of the cooling box 1601, the inside of the cooling box 1601 can be rapidly divided by the heat conducting partition 1602, thereby cooling the sintered metal can be rapidly cooled down, the efficiency during the machining can be improved, the cooling assembly 16 further includes a fan 1605, a 1606 and a drain pipe 1607 is disposed at the rear lower end of the cooling box 1601, the cooling box is disposed at the rear side of the cooling box 1607.
In conclusion, when the high-sealing anti-oxidation high-temperature sintering machine for processing metal powder is used, firstly, a blank is placed into the inner liner 13 according to the structure shown in fig. 1 and fig. 2, then the door panel 2 is closed, at this time, the outer shell 1 and the inner shell 7 can be respectively sealed with the door panel 2 through the first sealing ring 4 and the second sealing ring 5, the whole sealing performance of the high-temperature sintering machine is improved, after sealing, the vacuum pump 602 is started, air between the outer shell 1 and the inner shell 7 can be discharged through the exhaust pipe 601 to keep the vacuum state, so that the sealing performance in the high-temperature sintering machine can be detected in real time through the air pressure sensor 603, when the internal air pressure fluctuates due to air leakage, the audible and visual alarm 604 can be controlled to timely remind a worker to maintain, and meanwhile, oxygen can be prevented from entering the inner shell 7 through the protection of the vacuum layer, the quality of the sintered material is prevented from being influenced by metal oxidation, then protective gas is injected into the lining 13 through the first air inlet pipe 8, as the density of the protective gas is less than that of oxygen, oxygen in the air can be extruded out of the first exhaust pipe 9, metal powder is prevented from being oxidized, then the electric heating pipe 12 is started to heat, the heat-conducting silicone layer 11 can uniformly conduct the heat emitted by the electric heating pipe 12 to the lining 13, the efficiency during heating is improved, the temperature inside the high-temperature sintering machine can be uniformly heated, meanwhile, the heat-insulating capacity of the inner shell 7 can be improved by arranging the glass fiber layer 10 at the inner side of the inner shell 7, the integral heat-insulating performance of the high-temperature sintering machine can be further improved through the vacuum formed between the outer shell 1 and the inner shell 7 and the arrangement of the vacuum cavities 3 in the door panel 2, and the heat dissipation and heat conduction energy consumption increase are avoided, finally, according to the structure shown in fig. 3, after sintering, coolant can be injected into the rear end of the interior of the cooling box 1601 through the water inlet pipe 1606, the valves of the second exhaust pipe 14 and the second intake pipe 15 are opened, the fan 1605 is started, the heated shielding gas can enter the cooling box 1601, the shielding gas is cooled under the action of the heat-conducting partition plate 1602 and the heat exchange pipe 1604, meanwhile, the flow path of the airflow is prolonged through the guide plate 1603, the cooling effect can be improved, the temperature of the sintered metal can be rapidly reduced, and the efficiency during processing can be improved.
Claims (7)
1. The high-sealing and anti-oxidation high-temperature sintering machine for processing metal powder comprises an outer shell (1) and a detection assembly (6), and is characterized in that a door plate (2) is arranged on the front side of the outer shell (1), a vacuum cavity (3) is arranged inside the door plate (2), a first sealing ring (4) is arranged on the rear side of the outer end of the door plate (2), a second sealing ring (5) is fixed to the outer end of the rear side of the door plate (2), the detection assembly (6) used for sealing detection is arranged in the center of the top end of the outer shell (1), the detection assembly (6) comprises an exhaust pipe (601), a vacuum pump (602), an air pressure sensor (603) and an acousto-optic alarm (604), the vacuum pump (602) is arranged at the upper end of the exhaust pipe (601), the air pressure sensor (603) is arranged at the left upper end of the inside of the outer shell (1), the acousto-optic alarm (604) is arranged above the air pressure sensor (603), an inner shell (7) is arranged inside the inner shell (1), a first air inlet pipe (8) is arranged at the upper end of the left side of the inner shell (7), and a first air exhaust pipe (9) is arranged at the lower end of the left side of the inner shell (7).
2. The high-sealing oxidation-resistant high-temperature sintering machine for processing metal powder according to claim 1, wherein the inner shell (7) is fixedly connected with the outer shell (1), and the inner shell (7) is tightly attached to the second sealing ring (5).
3. The high-sealing and oxidation-preventing high-temperature sintering machine for processing metal powder as claimed in claim 1, wherein a glass fiber layer (10) is arranged on the inner side of the inner shell (7), a heat-conducting silicone grease layer (11) is arranged on the inner side of the glass fiber layer (10), electrothermal tubes (12) are arranged inside the heat-conducting silicone grease layer (11), a lining (13) is arranged on the inner side of the heat-conducting silicone grease layer (11), a second exhaust pipe (14) is arranged at the upper right end of the inner shell (7), a second air inlet pipe (15) is arranged at the lower right end of the inner shell (7), and a cooling assembly (16) for quick cooling is connected to the right end of the second air inlet pipe (15).
4. The high-sealing oxidation-resistant high-temperature sintering machine for metal powder processing according to claim 3, wherein the cooling assembly (16) comprises a cooling box (1601), a heat-conducting partition plate (1602), a flow guide plate (1603) and a heat exchange tube (1604), the heat-conducting partition plate (1602) is arranged in the center of the inside of the cooling box (1601), the flow guide plate (1603) is fixed on the front face of the heat-conducting partition plate (1602), and the heat exchange tube (1604) is arranged in the inside of the heat-conducting partition plate (1602).
5. The high-sealing oxidation-resistant high-temperature sintering machine for metal powder processing according to claim 4, wherein the cooling assembly (16) further comprises a fan (1605), a water inlet pipe (1606) and a water discharge pipe (1607), the fan (1605) is fixed to the lower left end inside the cooling box (1601), the water inlet pipe (1606) is arranged at the lower rear end of the cooling box (1601), and the water discharge pipe (1607) is arranged at the upper rear end of the cooling box (1601).
6. The high-sealing oxidation-resistant high-temperature sintering machine for processing metal powder of claim 5, wherein the width of the deflector (1603) is smaller than the width of the inner side of the cooling box (1601), and the deflector (1603) is in staggered distribution relative to the front surface of the heat-conducting partition plate (1602).
7. The high-temperature sintering machine for metal powder processing with high sealing and oxidation resistance as claimed in claim 5, wherein the heat exchange tubes (1604) are distributed at equal intervals with respect to the front face of the heat conducting partition (1602), and the heat conducting partition (1602) is located at a half of the width of the cooling box (1601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220862811.2U CN217529219U (en) | 2022-04-14 | 2022-04-14 | High-sealing and anti-oxidation high-temperature sintering machine for metal powder processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220862811.2U CN217529219U (en) | 2022-04-14 | 2022-04-14 | High-sealing and anti-oxidation high-temperature sintering machine for metal powder processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217529219U true CN217529219U (en) | 2022-10-04 |
Family
ID=83431433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220862811.2U Expired - Fee Related CN217529219U (en) | 2022-04-14 | 2022-04-14 | High-sealing and anti-oxidation high-temperature sintering machine for metal powder processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217529219U (en) |
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2022
- 2022-04-14 CN CN202220862811.2U patent/CN217529219U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221004 |
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| CF01 | Termination of patent right due to non-payment of annual fee |