WO2007113920A1 - 冷却処理装置または多室型熱処理装置におけるシール構造、そのシール構造の圧力調整方法と運転方法 - Google Patents
冷却処理装置または多室型熱処理装置におけるシール構造、そのシール構造の圧力調整方法と運転方法 Download PDFInfo
- Publication number
- WO2007113920A1 WO2007113920A1 PCT/JP2006/307359 JP2006307359W WO2007113920A1 WO 2007113920 A1 WO2007113920 A1 WO 2007113920A1 JP 2006307359 W JP2006307359 W JP 2006307359W WO 2007113920 A1 WO2007113920 A1 WO 2007113920A1
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- WO
- WIPO (PCT)
- Prior art keywords
- pressure
- cooling
- grease
- seal structure
- chamber
- 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.)
- Ceased
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/406—Sealings between relatively-moving surfaces by means of fluid by at least one pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any of groups F27B1/00 - F27B15/00
- F27B17/0016—Chamber type furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0396—Involving pressure control
Definitions
- the present invention relates to a seal structure, a cooling processing device, a multi-chamber heat treatment device, a pressure adjustment method, and an operation method.
- the object to be treated is placed in a heat treatment furnace.
- the cooling gas is disposed in the middle of the circulating cooling gas flow path.
- an object to be processed is arranged in a cooling chamber formed inside the heat treatment furnace, and the cooling gas is supplied to the cooling chamber and the fan is rotated so that the cooling gas is circulated. ! /, Ru (see Patent Document 1).
- the cooling chamber is constituted by a pressure vessel.
- a motor for rotating the fan is disposed inside the pressure vessel that serves as a cooling chamber.
- Patent Document 1 Japanese Patent Laid-Open No. 2005-29872
- Patent Document 2 Japanese Patent Publication No. 5-42482
- the inside of the pressure vessel serving as a cooling chamber is pressurized to, for example, about 30 atmospheres (3. OMPa), so that it cannot be easily sealed with a magnetic seal! There is a problem.
- the present invention has been made in view of such circumstances, and includes a shaft seal structure that can be suitably applied to a rotating shaft that penetrates the container wall of a pressure vessel, a cooling processing apparatus including the shaft sealing structure, and a multi-chamber.
- An object is to propose a mold heat treatment apparatus, a pressure adjustment method, and an operation method. Means for solving the problem
- At least two locations in the axial direction of the rotating shaft are provided in the fitting portion between the container wall of the pressure vessel filled with high-pressure gas and the rotating shaft penetrating the container wall.
- an O-ring disposed on the rotary shaft, a space formed by the rotating shaft, the container wall, and the O-ring, and grease pressurized to substantially the same pressure as the high-pressure gas.
- a grease pressure measuring unit for measuring a change in pressure of the grease sealed in the space; and a gas leak detecting unit for detecting leakage of the high-pressure gas in the pressure vessel force based on a measurement result of the grease pressure measuring unit; It is characterized by providing.
- the cooling processing apparatus arranges a heat-treated processing object in a pressure vessel, supplies a high-pressure gas into the pressure vessel, and circulates it with a fan to cool the processing object.
- the at least one of the axial directions of the rotating shaft is fitted into a fitting portion between the rotating shaft that transmits the rotational force to the fan through the container wall of the pressure vessel.
- a shaft seal structure comprising O-rings arranged at two locations, and grease pressurized to a pressure substantially equal to the pressure of the high-pressure gas in a space formed by the rotating shaft, the container wall, and the O-ring. It is characterized by providing.
- the shaft seal structure includes a grease pressure measuring unit that measures a change in pressure of the grease sealed in the space, and the high pressure from the pressure vessel based on the measurement result of the grease pressure measuring unit. And a gas leak detector for detecting gas leak.
- an acceleration mechanism that rotates the fan at a higher rotational speed than the rotation shaft is provided between the rotation shaft and the fan.
- a multi-chamber heat treatment apparatus includes a heating chamber that heat-treats a processing object, and a cooling chamber that cools a treatment object that has been heat-treated in the heating chamber. Wherein the cooling processing apparatus is used as the cooling chamber. To do.
- the grease in the shaft seal structure, the grease is pressurized to the first set pressure and the state is maintained, and the grease pressure is set to the second set pressure. When the pressure drops, the pressure is increased again to the first set pressure.
- the grease in the cooling processing apparatus, the grease is pressurized to a first set pressure and the state is maintained, and the pressure of the grease is changed from a second set pressure to a third set pressure. It is characterized in that the cooling treatment operation is stopped when it falls within a predetermined time.
- the shaft seal structure of the present invention it is possible to apply a shaft seal structure having a simple structure, low cost, and high reliability to the rotating shaft that penetrates the container wall of the pressure vessel.
- a change in the sealing pressure of the grease sealed at a predetermined pressure between the plurality of o-rings constituting the shaft seal structure is detected, it is possible to detect that the sealed state by the shaft seal structure cannot be maintained. it can.
- the rotation shaft that transmits the rotation to the fan disposed in the cooling vessel and penetrates the vessel wall of the pressure vessel is simple in structure, inexpensive, and reliable. Since a high shaft seal structure is applied, an inexpensive general-purpose motor or the like can be used as a motor or the like that rotates the rotating shaft. Further, it can be detected that the sealed state by the shaft seal structure applied to the rotating shaft cannot be maintained. Further, the fan can be rotated at a desired rotational speed even if the rotational speed of the rotary shaft is small.
- the multi-chamber heat treatment apparatus According to the multi-chamber heat treatment apparatus according to the present invention, it is possible to reliably perform the cooling treatment of the processing object X and to obtain an inexpensive apparatus.
- the shaft seal structure Damage the most It can be kept to a minimum.
- FIG. 1 is a schematic cross-sectional view of the overall configuration of a multi-chamber heat treatment apparatus 1 according to the present embodiment.
- FIG. 2 is a cross-sectional view showing a configuration of a shaft seal structure 120 according to the present embodiment.
- FIG. 3 is an enlarged cross-sectional view of shaft seal structure 120.
- FIG. 4 is a diagram showing a change in the sealing pressure of grease R of the shaft seal structure 120.
- FIG. 5 is a view showing a modified example of the transmission mechanism 100 and the shaft seal structure 120.
- FIG. 6 is an enlarged cross-sectional view of shaft seal structure 220.
- Pressure source 152 Pressure sensor (grease pressure measuring part)
- FIG. 1 is a schematic cross-sectional view of the overall configuration of a multi-chamber heat treatment apparatus 1 according to this embodiment.
- the multi-chamber heat treatment apparatus 1 is a multi-chamber heat treatment apparatus including a cooling chamber 2 for cooling the processing object X and a heating chamber 3 for heating the processing object X.
- the cooling chamber 2 and heating It has an intermediate chamber 4 arranged between the chamber 3.
- the cooling chamber 2 is set in a substantially cylindrical shape, and the posture is set so that the central axis of the cylindrical shape is horizontal.
- a clutch-type door 5 that moves horizontally in the axial direction of the cooling chamber 2 is installed on one side of the cooling chamber 2 (right side in Fig. 1), and a clamp that opens and closes on the other side (left side in Fig. 1).
- Type vacuum shield door 6 is installed.
- a device including the cooling chamber 2 and a cooling fan motor 20 described later is referred to as a cooling processing device 2a.
- the inner space of the multi-chamber heat treatment device 1 is in a sealed state in which the door 5 is closed and shut off from the outside.
- a substantially rectangular parallelepiped air passage chamber 7 that is long in the direction of the central axis of the cooling chamber 2 is installed, and the flow path of the cooling gas in the cooling chamber 2 is above and below the air passage chamber 7.
- Gas flow guide plates 8a and 8b are installed to adjust the direction.
- the inside of the cooling chamber 2 outside the air passage chamber 7 is divided into upper and lower portions by a partition plate (not shown).
- a grid-like rectifier that rectifies and passes the cooling gas Plates 9a and 9b are formed respectively.
- a transfer table 11 for transferring the tray 10 on which the processing object X is placed in the axial direction of the cooling chamber 2 is installed in the air channel chamber 7, and the transfer table 11 includes a plurality of free rollers. 12 is rotatably provided in the tray 10 transfer direction! Further, the tray 10 is formed in, for example, a lattice shape so that the cooling gas can pass therethrough.
- the door 5 is formed in a hollow shape, and a heat exchanger 15, a cooling fan 16, and dampers 17a and 17b are provided therein.
- the heat exchanger 15 cools the cooling gas by exchanging heat between water and the cooling gas, and is arranged inside the heat exchanger storage chamber 18 arranged in the door 5.
- the cooling fan 16 is for adjusting the air volume of the cooling gas that has also passed through the gas passage port 19a in the heat exchange ⁇ 15 and between the heat exchange ⁇ 15 and the inner peripheral surface of the door 5, That is, the side force of the processing object X placed in the cooling chamber 2 is arranged so as to be separated in the horizontal direction.
- the cooling fan 16 is driven by a cooling fan motor 20 installed so as to protrude from the door 5.
- the dampers 17a and 17b determine the blowing direction (cooling air direction) of the cooling gas to the processing object X under the control of a cooling control unit (not shown).
- a plurality of gas passages 19a, 19b, 19c, 19d formed in the direction are selectively closed.
- the interior of the door 5 outside the heat exchanger storage chamber 18 is divided into upper and lower portions by a partition plate (not shown).
- the heating chamber 3 is formed in a substantially cylindrical shape with a water-cooled double wall, and water is interposed between the inner wall and the outer wall, and is disposed facing the cooling chamber 2. Further, inside the transfer rod storage chamber 21 connected to the heating chamber 3, the processing object X is transferred by transporting the tray 10 on which the processing object X is placed inside the multi-chamber heat treatment apparatus 1. A transport rod 22 is installed for transport.
- a heating vessel 23 having a substantially rectangular shape is installed inside the heating chamber 3.
- a heat insulating door 24 heating chamber door
- the transfer rod door 25 is opened and closed in the vertical direction by an elevating mechanism 26 installed so that the outer wall force of the heating chamber 3 protrudes.
- a tray 10 with a processing object X is placed in the axial direction of the heating chamber 3.
- a transfer table 28 having a plurality of free rollers 27 for transfer is installed, and this transfer table 28 is arranged on an extension line of the transfer table 11 installed in the air channel chamber 7.
- the transport rod door 25, the transfer table 28 and the tray 10 are heat-insulated similarly to the heat-insulating door 24.
- a plurality of heaters 29 for heating the processing object X are installed inside the heating container 23 above and below the processing object X so that the entire processing object X is evenly heated.
- the intermediate chamber 4 is set in a hollow, substantially rectangular shape, and is disposed between the cooling chamber 2 and the heating chamber 3.
- a lifting mechanism 55a having a hoist equal force for lifting and lowering the vacuum shield door 6 and a lifting / lowering part 55b for insulating doors for lifting and lowering the insulating door 24 are installed.
- a decompression device (not shown) is installed outside the cooling chamber 2, the heating chamber 3 and the intermediate chamber 4. This decompression device is for evacuating the inside of the cooling chamber 2 and the heating chamber 3, and is connected to the cooling chamber 2 and the heating chamber 3, respectively.
- a cooling gas supply device (not shown) is also installed outside the cooling chamber 2, the heating chamber 3, and the intermediate chamber 4. This cooling gas supply device supplies cooling gas into the cooling chamber 2 at a predetermined pressure based on a cooling gas control signal input from the cooling control unit.
- cooling gas may be supplied to the heating chamber 3 and the intermediate chamber 4 that are outside the cooling chamber 2, so the cooling gas supply device is also connected to the intermediate chamber 4. Connected.
- the cooling control unit controls the cooling process in the cooling chamber 2 based on the temperature signal input from the temperature measuring unit 32, that is, the temperature of the processing object X. Further, a motor drive signal is output to the cooling fan motor 20 via a cooling fan inverter (not shown).
- FIG. 2 is a cross-sectional view showing the configuration of the shaft seal structure 120 according to the present embodiment.
- FIG. 3 is an enlarged cross-sectional view of the shaft seal structure 120.
- the transmission mechanism 100 is provided.
- the transmission mechanism 100 also includes a pair of gears 101 and 102 disposed outside the cooling chamber 2, a pair of gears 103 and 104 disposed inside the cooling chamber 2, and a rotating shaft 108 penetrating the door 5 and a force. Is done.
- the gear 101 has 80 teeth and is connected to the output shaft 20a of the cooling fan motor 20.
- the gear 102 has 0 teeth and is engaged with the gear 101 and is connected to one end of the rotating shaft 108.
- the gear 103 has 80 teeth and is connected to the other end of the rotating shaft 108.
- the gear 104 has 25 teeth, meshes with the gear 103, and is connected to the rotating shaft 16a of the cooling fan 16.
- the rotating shaft 108 is inserted into a through hole 112 of a bush 110 having a flange 111 at one end, and the bush 110 is fitted into a through hole 5 a formed in the door 5.
- the rotating shaft 108 is supported by the bush 110 via bearings 121 and 122 disposed on both ends of the through hole 112 of the bush 110.
- An O-ring 115 is disposed on the flange 111 of the bush 110, and is sealed by the O-ring 115 when the flange 111 abuts against the outer surface of the door 5.
- a shaft seal structure 120 is disposed in a cylindrical gap formed between the rotating shaft 108 and the bush 110.
- the shaft seal structure 120 includes grease that is sealed between two O-rings 123 and 124 and two O-rings 123 and 124 that are placed in a gap formed between the rotating shaft 108 and the bush 110. It is composed of R.
- the rotation speed of the rotation shaft 108 is 200rpm. If the rotational speed of the rotary shaft 108 is 200 rpm or less, sufficient sealing is possible with the O-rings 123 and 124. In this way, by arranging the transmission mechanism 100 inside the door 5 (inside the cooling chamber 2), the rotation speed of the rotary shaft 108 that penetrates the door 5 while rotating the cooling fan motor 20 at a desired rotation speed. Can be kept low.
- the shaft seal structure 120 which is simple in structure, inexpensive and highly reliable.
- the cooling fan motor 20 is arranged outside the door 5 (outside the cooling chamber 2), an inexpensive general-purpose motor is used as the cooling fan motor 20 rather than a special motor for use inside the pressure vessel. Is also possible. Therefore, the product cost of the multi-chamber heat treatment apparatus 1 can be reduced.
- the grease R has a predetermined pressure from the flange 111 side of the bush 110 in the space S surrounded by the two O-rings 123 and 124 in the gap formed between the rotating shaft 108 and the bush 110. so Enclosed. That is, on the inner surface of the through-hole 112 of the bush 110, two grooves for arranging the two O-rings 123 and 124 and a dull supply hole 113 for connecting the force between the two grooves to the flange 111 side are formed.
- An inert gas supply unit 150 capable of pressing the grease R with an inert gas at a predetermined pressure is connected to the flange 111 side of the grease supply hole 113.
- the inert gas supply unit 150 includes a pressure source 151, a pressure sensor 152, a solenoid valve 153, and a pressure control unit 154.
- the pressure source 151 can supply an inert gas having the same pressure as the set pressure of the cooling chamber 2.
- the pressure sensor 152 indirectly measures the sealing pressure of the grease R sealed in the space S by measuring the pressure of the inert gas supplied toward the grease supply hole 113.
- the electromagnetic valve 153 is a valve that supplies and shuts off the inert gas from the pressure source 151 to the grease supply hole 113. Then, the pressure control unit 154 controls the electromagnetic valve 153 based on the measurement result of the pressure sensor 152.
- the object to be processed placed on the tray 10 is placed on the transfer table 11 inside the air channel chamber 7. Thereafter, the door 5 is brought into contact with the cooling chamber 2 and the cooling chamber 2 is sealed.
- the cooling chamber 2, the heating chamber 3, and the intermediate chamber 4 are evacuated by driving the decompression device 57.
- the lifting mechanism 26, the lifting mechanism 55a, and the heat insulating door lifting / lowering part 55b are driven to open the transport bar door 25, the vacuum shield door 6, and the heat insulating door 24.
- the processing object X is transferred from the transfer table 11 inside the air passage chamber 7 to the transfer table 28 inside the heating container 23 by pulling the tray 10 engaged with the tip of the transfer rod 22.
- the lifting mechanism 26 and the insulating door lifting part 55b are driven again, and the conveying rod door 25 and the insulating door 24 are closed. At this time, the elevating mechanism 55a is not driven, and the vacuum shield door 6 is kept open. In this state, the processing object X is heated to a predetermined temperature by the heater 29.
- the transfer rod door 25 and the heat insulation door 24 are opened, and the processing object X is transferred again to the transfer table 11 inside the air passage chamber 7 by the transfer rod 22. Then, when the processing object X is transferred to the transfer table 11 of the air channel chamber 7, the vacuum shield door 6 is sealed. It is.
- the cooling gas is supplied into the cooling chamber 2 by the cooling gas supply device 56, and this cooling gas is circulated in the cooling chamber 2 by the cooling fan 16, whereby the processing object X is cooled.
- the direction in which the cooling gas flows is changed by changing the gas passages 19a to 19d that are closed every predetermined time by the dampers 17a and 17b, and thereby the cooling gas is sprayed to the entire processing object X. As a result, the processing object X is uniformly cooled.
- FIG. 4 is a diagram showing a change in the sealing pressure of grease R of the shaft seal structure 120.
- the cooling gas supplied to the cooling chamber 2 is pressurized to about 30 atm (3. OMPa) in the cooling chamber 2.
- OMPa the processing object X can be cooled in a short time.
- the shaft seal structure 120 can withstand the differential pressure with the outside of the cooling chamber 2 with a high probability even when the inside of the cooling chamber 2 is pressurized to about 30 atm.
- the O-rings 123 and 124 are set on the inner surface of the through-hole 112 of the bush 110 by setting the radial clearance dimension of the space S within a predetermined range. It is possible to suppress the protrusion from the formed groove without using a knock-up ring (for example, see JIS-B-24 06).
- the gap between the O-rings 123 and 124 that is, between the rotating shaft 108 and the bush 110, is set in the cooling chamber 2. Since the cooling gas leaks to the outside, there is a high possibility that the cooling process of the processing object X will be incomplete.
- the inert gas is supplied from the pressure source 151 to the grease supply hole 113 under the control of the pressure control unit 154.
- the pressure of Dalis R is increased to substantially the same as or slightly higher than the pressure in the cooling chamber 2 (for example, about 31 atmospheres (3. IMPa), this pressure is referred to as the first set pressure).
- the pressure in the cooling chamber 2 and the space S is substantially the same, or the pressure in the space S is higher than that in the cooling chamber 2. Leakage is more reliably prevented.
- the solenoid valve 153 is operated to cut off the supply of the inert gas from the pressure source 151 to the grease supply hole 113, and the grease R is maintained in a pressurized state.
- the sealing pressure of the grease R of the shaft seal structure 120 gradually decreases (line). See L1). This is because the grease R gradually leaks from the space S to the outside of the O-rings 123 and 124, that is, inside or outside the cooling chamber 2.
- the sealing pressure of the grease R of the shaft seal structure 120 is detected by the pressure sensor 152 as described above.
- the pressure control unit 154 operates the solenoid valve 153 to resupply the inert gas from the pressure source 151 toward the grease supply hole 113.
- the sealing pressure of grease R is again increased to 31 atmospheres.
- the door 5 is detached from the cooling chamber 2 and the processing object X is carried out to the outside.
- this pressure is called the third set pressure
- the cooling process of the processing object X is stopped. Specifically, the cooling gas filled inside is discharged from a safety valve (not shown) provided in the cooling chamber 2. Also, take measures such as stopping the cooling fan motor 20 drive. Further, the pressurization to the grease R of the shaft seal structure 120 by the inert gas supply unit 150 is stopped, and the atmospheric pressure is set.
- the shaft seal structure 120 can be reused without being disassembled and repaired. If the cause force that the sealed state by the shaft seal structure 120 cannot be maintained is caused by the damage of the two O-rings 123 and 124, the O-rings 123 and 124 are replaced.
- FIG. 5 is a diagram showing the transmission mechanism 200 and the shaft seal structure 220.
- FIG. 6 is an enlarged cross-sectional view of the shaft seal structure 220.
- the shaft seal structure 220 which is a modification of the shaft seal structure 120, includes grease that is sealed between the three O-rings 123, 124, and 125 and the three O-rings 123, 124, and 125 on the rotating shaft 108. Composed of R and force.
- the grease R sealed between the O-rings 123 and 124 is sealed at a predetermined pressure through the flange 111 side force grease supply hole 113 of the bush 110. That is, the inert gas supply unit 150 is connected to the grease supply hole 113.
- the sealing pressure of grease R sealed between the O-rings 124 and 125 is sealed at the same pressure as the external pressure.
- the shaft seal structure 220 may include three or more O-rings.
- grease R set to the first set pressure is sealed between the two O-rings 123 and 124 closest to the cooling chamber 2.
- grease R set at the first set pressure may be enclosed between the O-rings 124 and 125.
- a transmission mechanism 200 which is a modification of the transmission mechanism 100, includes a pair of gears 101, 102 disposed outside the cooling chamber 2, and a pair of gears 103, 104, 105 disposed inside the cooling chamber 2. , And a rotating shaft 108 that passes through the door 5.
- the configuration of the transmission mechanism 200 can be changed as appropriate depending on the size of the cooling fan 16, the required rotational speed, the specifications of the cooling fan motor 20, and the like.
- the rotational speed of the rotary shaft 108 needs to be 200 rpm or less. This is because it is possible to use O-rings 123, 124, 125 as the shaft single structure 120, 220.
- An engine may be used instead of the cooling fan motor 20.
- the process starts before the cooling process of the processing object X. It is preferable to keep the motivation activated. For example, by operating the force engine 30 seconds before the start of the cooling process of the processing object X, a stable output can be obtained during the cooling process.
- the shaft seal structures 120 and 220 are not limited to the case where they are arranged on the door 5 of the cooling chamber 2. Any container may be used as long as it is a rotating shaft that penetrates the container space of the pressure container. In this case, by connecting the inert gas supply unit 150 to the shaft seal structure 120, 220, it is not necessary to detect the sealing pressure of the grease R arranged between the plurality of 0 rings!
- the shaft seal structure of the present invention can be applied to a fitting portion between a container wall of a pressure vessel in which high-pressure gas is sealed and a rotating shaft penetrating the container wall.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
- Sealing Devices (AREA)
- Furnace Details (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006800548397A CN101460770B (zh) | 2006-04-06 | 2006-04-06 | 冷却处理装置或者多室型热处理装置的密封构造、该密封构造的压力调节方法和运转方法 |
| PCT/JP2006/307359 WO2007113920A1 (ja) | 2006-04-06 | 2006-04-06 | 冷却処理装置または多室型熱処理装置におけるシール構造、そのシール構造の圧力調整方法と運転方法 |
| US12/295,924 US8734147B2 (en) | 2006-04-06 | 2006-04-06 | Seal structure for pressurized container, cooling treatment apparatus, multi-chamber heat treatment apparatus, pressure regulating method, and operating method |
| KR1020087026809A KR101195080B1 (ko) | 2006-04-06 | 2006-04-06 | 냉각 처리 장치 또는 다실형 열처리 장치에서의 실링 구조,그 실링 구조의 압력 조정 방법과 운전 방법 |
| JP2008508444A JP5200929B2 (ja) | 2006-04-06 | 2006-04-06 | 冷却処理装置または多室型熱処理装置におけるシール構造、そのシール構造の圧力調整方法と運転方法 |
| EP20060731307 EP2006582B1 (en) | 2006-04-06 | 2006-04-06 | Seal structure for cooling treatment apparatus or multichamber heat treatment apparatus, and for the seal structure, method of pressure regulation and method of operating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2006/307359 WO2007113920A1 (ja) | 2006-04-06 | 2006-04-06 | 冷却処理装置または多室型熱処理装置におけるシール構造、そのシール構造の圧力調整方法と運転方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007113920A1 true WO2007113920A1 (ja) | 2007-10-11 |
Family
ID=38563192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/307359 Ceased WO2007113920A1 (ja) | 2006-04-06 | 2006-04-06 | 冷却処理装置または多室型熱処理装置におけるシール構造、そのシール構造の圧力調整方法と運転方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8734147B2 (ja) |
| EP (1) | EP2006582B1 (ja) |
| JP (1) | JP5200929B2 (ja) |
| KR (1) | KR101195080B1 (ja) |
| CN (1) | CN101460770B (ja) |
| WO (1) | WO2007113920A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10648050B2 (en) | 2015-05-26 | 2020-05-12 | Ihi Corporation | Heat treatment apparatus |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010038531A (ja) * | 2008-07-10 | 2010-02-18 | Ihi Corp | 熱処理装置 |
| EP2218998B1 (en) | 2009-02-03 | 2012-12-19 | Ipsen, Inc. | A sealing mechanism for a vacuum heat treating furnace |
| CN102943880B (zh) * | 2012-10-30 | 2015-06-03 | 中国核电工程有限公司 | 一种轴传动的密封系统 |
| KR101716361B1 (ko) * | 2014-12-29 | 2017-03-14 | 씰링크 주식회사 | 누출감지 기능이 있는 구동축용 밀폐장치 |
| CN110106335B (zh) * | 2018-02-01 | 2021-04-13 | 福建省长汀金龙稀土有限公司 | 一种合金工件或金属工件的连续热处理装置以及方法 |
| EP3575641A1 (de) * | 2018-05-30 | 2019-12-04 | Siemens Aktiengesellschaft | Anordnung, insbesondere turbomaschine, umfassend eine wellendichtungseinrichtung |
| CN112859955B (zh) * | 2021-01-22 | 2022-08-26 | 维沃移动通信有限公司 | 温控装置及其温度控制方法 |
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- 2006-04-06 WO PCT/JP2006/307359 patent/WO2007113920A1/ja not_active Ceased
- 2006-04-06 JP JP2008508444A patent/JP5200929B2/ja not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20090005136A (ko) | 2009-01-12 |
| KR101195080B1 (ko) | 2012-10-29 |
| EP2006582A9 (en) | 2009-05-20 |
| EP2006582A4 (en) | 2012-03-21 |
| CN101460770A (zh) | 2009-06-17 |
| US20090186311A1 (en) | 2009-07-23 |
| EP2006582B1 (en) | 2013-05-22 |
| EP2006582A2 (en) | 2008-12-24 |
| JPWO2007113920A1 (ja) | 2009-08-13 |
| JP5200929B2 (ja) | 2013-06-05 |
| CN101460770B (zh) | 2012-09-26 |
| US8734147B2 (en) | 2014-05-27 |
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