CN109943693A - A kind of cooling system of high-pressure gas quenching furnace - Google Patents
A kind of cooling system of high-pressure gas quenching furnace Download PDFInfo
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- CN109943693A CN109943693A CN201910178419.9A CN201910178419A CN109943693A CN 109943693 A CN109943693 A CN 109943693A CN 201910178419 A CN201910178419 A CN 201910178419A CN 109943693 A CN109943693 A CN 109943693A
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Abstract
The present invention relates to a kind of cooling systems of high-pressure gas quenching furnace, it is mainly made of air-quenching furnace；The air-quenching furnace includes bell, retainer, double furnace wall, nozzle, heating tape, insulating layer, cylinder of furnace door, heat exchanger, ventilating duct, pocket door, suction channel, draught fan impeller, blower motor, sealing ring, blower housing and furnace body support；The air-quenching furnace, which is lain on one's side, to be mounted on furnace body support, and the left side of the double furnace wall is equipped with the bell that can tightly lock, and the right side of double furnace wall is equipped with blower housing；The heating tape setting heats interior in double furnace wall left side, is surrounded by the insulating layer of rectangle, and insulating layer wall is equipped with multiple nozzles；Heat exchanger, ventilating duct are arranged in double furnace wall right side, the blower motor equipped with draught fan impeller and are mounted in blower housing；A kind of cooling system of high-pressure gas quenching furnace of the invention accelerates the cooling velocity of quenching workpiece, improves the quality of converted products by expanding recycling for heat dissipation area and cooling wind.
Description
Technical field
The present invention relates to metal works vacuum heat treatment fields, more particularly to a kind of high-pressure gas quenching furnace
Cooling system.
Background technique
The structure of current high-pressure gas quenching furnace is usually by high pressure blower, keeps out the wind and flow backwards plate, water flowing heat exchanger, inflation
System etc. forms heat-exchange system, and existing equipment heat exchanger is typically mounted at the front end of high pressure blower, is designed to square structure, wind
High-temperature hot-air is adsorbed heat by square heat exchanger after machine starting, cooling to achieve the purpose that with repetitive cycling；This mode
The shortcomings that be due to blower be rotational structure, so only cooling is realized by the air inlet channel of centrifugal blower, due to air draught
Mouth can not be designed very big, so the heat exchanger film-cooled heat by air inlet is limited, so cooling velocity phase when heat treatment
To relatively slowly, it is unable to reach the purpose of rapid cooling.
Inadequate otherwise for cooling velocity, some domestic vacuum furnace apparatus take measures in the blowing pressure in furnace, rely on
The high pressures of the gases such as nitrogen or helium and improve power of fan to realize the cooling velocity for improving quenching, in this way one side by
It will lead to the waste of gas in the raising of furnace pressure, and pressure raising can bring safety issue, on the other hand, improve wind
The power of machine wastes the consumption of electric energy significantly.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of cooling systems of high-pressure gas quenching furnace, using cylinder
The high-pressure gas quenching furnace of shape carries out heating in vacuum using the furnace wall of Double water-cooled and high pressure is cooling；Pass through the umbrella shape heat exchanger of design
And ventilating duct, expand the heat dissipation area of wind-guiding；Cooling wind is flowed back on insulating layer nozzle by the centrifugal action of draught fan impeller
After spray to quenching workpiece, realize the circulation of cooling wind, accelerate quenching after workpiece cooling velocity.
The technical solution adopted by the present invention to solve the technical problems is: a kind of cooling system of high-pressure gas quenching furnace,
The air-quenching furnace include bell, retainer, double furnace wall, nozzle, heating tape, insulating layer, cylinder of furnace door, heat exchanger, ventilating duct,
Partition door, suction channel, draught fan impeller, blower motor, sealing ring, blower housing and furnace body support；The air-quenching furnace is in capsule shape
It lies on one's side and is mounted on furnace body support, the left side of the double furnace wall is equipped with bell, and the right side of the double furnace wall is equipped with fan shroud
Shell；Heating tape setting is heated indoor in double furnace wall left side, the insulating layer of rectangle is surrounded by, on the insulating layer wall
Equipped with multiple nozzles；Right side is arranged in double furnace wall in the heat exchanger, ventilating duct, and the draught fan impeller is assemblied in blower electricity
In the shaft of machine, the blower motor is mounted in blower housing, makes the intracavitary of draught fan impeller alignment double furnace wall.
The double furnace wall structure cylindrical is inoculated with cooling water in the interlayer of double wall, for accelerating the heat dissipation of furnace body
Cooling.
The bell is controlled by external PLC device and passes through the air pressure of cylinder and turned off or on, and when closing passes through retainer will
The left side of bell and double furnace wall opening firm locking, makes to form vacuum high-pressure in furnace.
The heater is used in high pressure vacuum quenching and is powered using molybdenum ribbon heating, graphite heating and the heating of nickel chromium triangle band
Mode makes heater generate heat.
The insulating layer is centered around around heater, heat-insulated using graphite felt, carbon felt, metal screen, heat preservation felt material
Heat preservation, the insulating layer three face the wall and meditate on be uniformly distributed dozens of nozzle, the spout of the nozzle be directed at what intermediate piece quenched
Position.
The cylinder of furnace door is connect with pocket door, and the pocket door controls the pass when heating to quenching workpiece by cylinder of furnace door
It closes, keeps heating indoor temperature rise；Partition door cooling time is finished in Quench heating to open, and is made to heat indoor hot wind and is entered air draught
Road.
The suction channel is between pocket door and draught fan impeller in bell shape, big on interval doorway, in blower leaf
It is small to take turns side port, hot wind is pumped to rapidly draught fan impeller when quenching cooling, accelerates flowing cooling velocity after forming spiral wind.
The heat exchanger and ventilating duct are designed to beveled structure, increase the heat dissipation area of hot wind；The heat exchanger and double
It is close to installation on the inside of layer furnace wall, fills enough recirculated cooling waters in heat exchanger.
The draught fan impeller is centrifugal structure, when workpiece quenching is cooling among suck hot wind, cooling wind is discharged in side,
Cooling wind flows back into the periphery of heating room insulating layer again, and cold wind is being sent into the quenching workpiece on heater by nozzle, is being formed
Circulating ventilation.
The blower motor is the power of draught fan impeller starting and operating, and the size of blower motor power is according to heating room
The blowing pressure in size and furnace determines.
Beneficial effects of the present invention: a kind of cooling system of high-pressure gas quenching furnace of the invention, using high-pressure gas quenching furnace
The furnace wall of Double water-cooled and the PLC of bell control sealing, can carry out anaerobic or few oxygen heating in vacuum and high-pressure aerated cooling；Pass through
The umbrella design of heat exchanger and ventilating duct expands wind guide and heat dispersion area ratio conventional equipment more than five times greater；Pass through suction channel and wind
Machine impeller cooperatively forms the propulsion of air-flow cyclone type, sprays to quenching workpiece after flowing back into cooling wind, realizes reciprocation cycle, quickly
It is cooling.
Detailed description of the invention
Fig. 1 is a kind of single unit system structure chart of the cooling system of high-pressure gas quenching furnace of embodiment；
Wherein: 1- bell, 2- nozzle, 3- double furnace wall, 4- insulating layer, the heating tape 5-, 6- cylinder of furnace door, 7- heat exchanger, 8- are led
Air duct, 9- draught fan impeller, 10- blower motor, 11- pocket door, 12- suction channel, 13- heat room, 14- retainer, 15- fan shroud
Shell, 16- sealing ring, 17- furnace body support.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is done below in conjunction with drawings and examples and is further retouched in detail
It states, the embodiment is only for explaining the present invention, does not constitute and limits to protection scope of the present invention.
Embodiment
As shown in Figure 1, being a kind of single unit system structure chart of the cooling system of high-pressure gas quenching furnace of embodiment；It is a kind of
High-pressure gas quenching furnace and cooling system, the air-quenching furnace include bell 1, retainer 14, double furnace wall 3, nozzle 2, heating tape 5,
Insulating layer 4, cylinder of furnace door 6, heat exchanger 7, ventilating duct 8, pocket door 11, suction channel 12, draught fan impeller 9, blower motor 10, sealing
Ring 16, blower housing 15 and furnace body support 17；The air-quenching furnace is lain on one's side in capsule shape and is mounted on furnace body support, the bilayer
The left side of furnace wall is equipped with bell, and the right side of the double furnace wall is equipped with blower housing；The heating tape setting is on a double furnace wall left side
Half portion heats in room 13, and surrounding has the insulating layer of rectangle to surround, and the insulating layer wall is equipped with multiple nozzles；The heat exchanger,
Ventilating duct is arranged in double furnace wall right side, the draught fan impeller and is assemblied in the shaft of blower motor, the blower motor
It is mounted in blower housing, makes the intracavitary of draught fan impeller alignment double furnace wall；The double furnace wall structure cylindrical, double wall
Interlayer in be inoculated with cooling water, for accelerating the radiating and cooling of furnace body；The bell is controlled by external PLC device and passes through cylinder
Air pressure turn off or on, the left side of bell and double furnace wall is open firm locking by retainer when closing, makes to be formed in furnace
Vacuum high-pressure；The heater is used in high pressure vacuum quenching and is powered using molybdenum ribbon heating, graphite heating and the heating of nickel chromium triangle band
Mode makes heater generate heat；The insulating layer is centered around around heater, using graphite felt, carbon felt, metal screen, insulation quilt
Material heat-insulation and heat-preservation, the insulating layer three face the wall and meditate on be uniformly distributed dozens of nozzle, the spout of the nozzle is directed at intermediate work
The position of part quenching；The cylinder of furnace door is connect with pocket door, and the pocket door is controlled by cylinder of furnace door to be added to quenching workpiece
It is closed when hot, keeps heating indoor temperature rise；Partition door cooling time is finished in Quench heating to open, make to heat indoor hot wind into
Enter suction channel；The suction channel is between pocket door and draught fan impeller in bell shape, big on interval doorway, in blower leaf
It is small to take turns side port, hot wind is pumped to rapidly draught fan impeller when quenching cooling, accelerates flowing cooling velocity after forming spiral wind；It is described
Heat exchanger and ventilating duct are designed to beveled structure, increase the heat dissipation area of hot wind；It is tight on the inside of the heat exchanger and double furnace wall
Patch is installed, and fills enough recirculated cooling waters in heat exchanger；The draught fan impeller is centrifugal structure, when workpiece quenching is cooling
Cooling wind is discharged in centre sucking hot wind, side, and cooling wind flows back into the periphery of heating room insulating layer again, is passing through nozzle for cold wind
The quenching workpiece being sent on heater forms circulating ventilation；The blower motor is the power of draught fan impeller starting and operating, wind
The size of machine power of motor is determined according to the blowing pressure in the size and furnace of heating room.
The cooling system of a kind of high-pressure gas quenching furnace provided in an embodiment of the present invention, using cylindrical high pressure gas quenching
Furnace controls the unlatching of bell and closed by PLC device using the furnace wall of high-pressure gas quenching furnace Double water-cooled, can carry out anaerobic or
Few oxygen heating in vacuum and high-pressure aerated cooling；By the umbrella design of heat exchanger and ventilating duct, keep wind guide and heat dispersion area ratio conventional
Device expands more than five times greater；When cooling down after quenching, promoted by the air-flow cyclone type that cooperatively forms of suction channel and draught fan impeller,
It extracts cooling wind from pocket door out, then is transmitted back on the nozzle of insulating layer, simultaneously sprayed to cooling wind by dozens of nozzle
Quenching workpiece realizes the flowing of cooling wind reciprocation cycle, realizes the rapid cooling of quenching workpiece, improve product processing quality.
Above-described embodiment should not in any way limit the present invention, all to be obtained by the way of equivalent replacement or equivalency transform
Technical solution fall within the scope of protection of the present invention.
Claims (10)
1. a kind of cooling system of high-pressure gas quenching furnace, it is characterised in that: it is mainly made of air-quenching furnace；The air-quenching furnace packet
Include bell, retainer, double furnace wall, nozzle, heating tape, insulating layer, cylinder of furnace door, heat exchanger, ventilating duct, pocket door, suction channel,
Draught fan impeller, blower motor, sealing ring, blower housing and furnace body support；The air-quenching furnace lies on one's side in capsule shape and is mounted on furnace
On body support frame, the left side of the double furnace wall is equipped with bell, and the right side of the double furnace wall is equipped with blower housing；The heating tape
Setting heats interior in double furnace wall left side, is surrounded by the insulating layer of rectangle, and the insulating layer wall is equipped with multiple nozzles；
The heat exchanger, ventilating duct are arranged in double furnace wall right side, the draught fan impeller and are assemblied in the shaft of blower motor, institute
It states blower motor to be mounted in blower housing, makes the intracavitary of draught fan impeller alignment double furnace wall.
2. a kind of cooling system of high-pressure gas quenching furnace according to claim 1, it is characterised in that: the double furnace wall
Structure cylindrical is inoculated with cooling water in the interlayer of double wall, for accelerating the radiating and cooling of furnace body.
3. a kind of cooling system of high-pressure gas quenching furnace according to claim 1, it is characterised in that: the bell is by outer
Portion's PLC device controls and passes through the air pressure of cylinder and turns off or on, by retainer by the left side of bell and double furnace wall when closing
Be open firm locking, makes to form vacuum high-pressure in furnace.
4. a kind of cooling system of high-pressure gas quenching furnace according to claim 1, it is characterised in that: the heater is adopted
With molybdenum ribbon heating, graphite heating and the heating of nickel chromium triangle band, heater is set to generate heat using step mode in high pressure vacuum quenching.
5. a kind of cooling system of high-pressure gas quenching furnace according to claim 1, it is characterised in that: the insulating layer encloses
It is wound on around heater, using graphite felt, carbon felt, metal screen, heat preservation felt material heat-insulation and heat-preservation, the insulating layer three is faced the wall and meditated
On be uniformly distributed dozens of nozzle, the spout of the nozzle is directed at the position of intermediate piece quenching.
6. a kind of cooling system of high-pressure gas quenching furnace according to claim 1, it is characterised in that: the cylinder of furnace door
It is connect with pocket door, the pocket door controls the closing when heating to quenching workpiece by cylinder of furnace door, keeps heating indoor temperature
It rises；Partition door cooling time is finished in Quench heating to open, and is made to heat indoor hot wind and is entered suction channel.
7. a kind of cooling system of high-pressure gas quenching furnace according to claim 1, it is characterised in that: the suction channel is in
Bell shape is between pocket door and draught fan impeller, big on interval doorway, small in draught fan impeller side port, when quenching cooling
Hot wind is pumped to rapidly draught fan impeller, accelerates flowing cooling velocity after forming spiral wind.
8. a kind of cooling system of high-pressure gas quenching furnace according to claim 1, it is characterised in that: the heat exchanger and
Ventilating duct is designed to beveled structure, increases the heat dissipation area of hot wind；It is close to installation on the inside of the heat exchanger and double furnace wall, changes
Enough recirculated cooling waters are filled in hot device.
9. a kind of cooling system of high-pressure gas quenching furnace according to claim 1, it is characterised in that: the draught fan impeller
Centrifugal structure, when workpiece quenching is cooling among suck hot wind, cooling wind is discharged in side, and cooling wind flows back into heating room again
Cold wind is being sent into the quenching workpiece on heater by nozzle, is forming circulating ventilation by the periphery of insulating layer.
10. a kind of cooling system of high-pressure gas quenching furnace according to claim 1, it is characterised in that: the blower electricity
Machine is the power of draught fan impeller starting and operating, and the size of blower motor power is according to the inflation pressure in the size and furnace of heating room
Power determines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178419.9A CN109943693A (en) | 2019-03-11 | 2019-03-11 | A kind of cooling system of high-pressure gas quenching furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178419.9A CN109943693A (en) | 2019-03-11 | 2019-03-11 | A kind of cooling system of high-pressure gas quenching furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109943693A true CN109943693A (en) | 2019-06-28 |
Family
ID=67008668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910178419.9A Withdrawn CN109943693A (en) | 2019-03-11 | 2019-03-11 | A kind of cooling system of high-pressure gas quenching furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629134A (en) * | 2019-09-17 | 2019-12-31 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | External circulation cooling type rapid gas quenching system of aluminum alloy vacuum brazing furnace |
| CN112458264A (en) * | 2020-11-23 | 2021-03-09 | 绍兴先越材料技术有限公司 | Gas quenching furnace with uniform low-temperature |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2683663Y (en) * | 2004-01-19 | 2005-03-09 | 中国电子科技集团公司第二研究所 | Vacuum high pressure gas-quench furnace |
| CN207672084U (en) * | 2017-12-01 | 2018-07-31 | 湖南省金特克科技有限公司 | Efficient air-quenching furnace |
-
2019
- 2019-03-11 CN CN201910178419.9A patent/CN109943693A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2683663Y (en) * | 2004-01-19 | 2005-03-09 | 中国电子科技集团公司第二研究所 | Vacuum high pressure gas-quench furnace |
| CN207672084U (en) * | 2017-12-01 | 2018-07-31 | 湖南省金特克科技有限公司 | Efficient air-quenching furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629134A (en) * | 2019-09-17 | 2019-12-31 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | External circulation cooling type rapid gas quenching system of aluminum alloy vacuum brazing furnace |
| CN110629134B (en) * | 2019-09-17 | 2023-10-17 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | External circulation cooling type rapid gas quenching system of aluminum alloy vacuum brazing furnace |
| CN112458264A (en) * | 2020-11-23 | 2021-03-09 | 绍兴先越材料技术有限公司 | Gas quenching furnace with uniform low-temperature |
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Application publication date: 20190628 |