CN101382388A - Fast cooling method for intermediate frequency induction sintering furnace - Google Patents
Fast cooling method for intermediate frequency induction sintering furnace Download PDFInfo
- Publication number
- CN101382388A CN101382388A CNA2008101432280A CN200810143228A CN101382388A CN 101382388 A CN101382388 A CN 101382388A CN A2008101432280 A CNA2008101432280 A CN A2008101432280A CN 200810143228 A CN200810143228 A CN 200810143228A CN 101382388 A CN101382388 A CN 101382388A
- Authority
- CN
- China
- Prior art keywords
- cooling
- radiator
- heater
- frequency induction
- temperature
- 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.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Furnace Details (AREA)
Abstract
The invention discloses a fast cooling method of a medium-frequency induction sintering furnace. An air-guiding pipe which is butted with an inner layer of a furnace core component and an air-inlet pipe which is corresponding to an outer layer of the furnace core component are arranged on a furnace body; a control valve, a cooling fan and a radiator are connected between the air-guiding pipe and the air-inlet pipe in series so as to form an air cooling system; non-oxidizing gas which consists of argon, hydrogen and/or nitrogen and has the purity of 99.995 percent is filled into the furnace body and the air cooling system; the method comprises the following steps: (A) when the temperature in the furnace body is reduced to be below 800 DEG C, the cooling fan and the radiator are started for cycle cooling, the pressure of the non-oxidizing gas in the furnace body is 0.02bar to 0.04bar, the temperature of the cooling water of the radiator is 5 DEG C to 40 DEG C and the speed of temperature reduction is 800 to 55 DEG C/3h; and (B) when the temperature in the furnace body is reduced to be below 55 DEG C, the cooling fan and the radiator are closed to stop temperature reduction. The invention is a fast cooling method of the medium-frequency induction sintering furnace, which can lead the cooling time of the work parts in the medium-frequency induction sintering furnace to be shortened, and has high production efficiency.
Description
Technical field
The present invention relates to a kind of fast cooling method, particularly relate to a kind of fast cooling method of Medium frequency induction sintering furnace.
Background technology
The Medium frequency induction sintering furnace is to work under vacuum or non-oxidizing atmosphere, utilize the Medium frequency induction graphite heater, make graphite heater produce induced-current, and then generation high temperature, be transmitted on the workpiece by radiation, make workpiece be heated to the temperature of technological requirement, be mainly used in the sintering of alloy material, also can do heat treatments such as vacuum annealing, tempering and use.The Medium frequency induction sintering furnace is the requisite sophisticated equipment of product quality that improves vacuum heat and sintered high quality.In the Medium frequency induction sintering furnace behind the sintering workpiece, the time of work-piece cools is longer at present, thereby production efficiency is low.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly can make the work-piece cools time in the Medium frequency induction sintering furnace short, thus the fast cooling method of the high Medium frequency induction sintering furnace of production efficiency.
In order to solve the problems of the technologies described above, the fast cooling method of Medium frequency induction sintering furnace provided by the invention, on body of heater, be provided with the guide duct of combustion chamber assembly internal layer butt joint and with the outer corresponding Gas inlet tube of combustion chamber assembly, the control valve of connecting between guide duct and the Gas inlet tube, cooling blower and radiator are formed air cooling system, in body of heater and air cooling system, charge into purity reach 99.995% by argon gas, the non-oxidizing gas that hydrogen and/or nitrogen are formed, it is characterized in that: (A), start the cooling that circulates of cooling blower and radiator when temperature drops to below 800 ℃ in body of heater, non-oxidizing gas pressure is 0.02bar～0.04 bar in the body of heater, the cooling water temperature of radiator is 5 ℃～40 ℃, and rate of temperature fall is 800～55 ℃/3h; (B), after temperature in the body of heater is reduced to below 55 ℃, close cooling blower and radiator stop the cooling.
Adopt the fast cooling method of the Medium frequency induction sintering furnace of technique scheme, adopt the outer circulation Cooling Mode, by cooling blower cold medium is blown into high temperature material district, inhale to come out behind the receiving section heat through furnace wall a part of heat that leaves, enter high-efficiency radiator again and force cooling, cooled medium advances material feeding region circulation cooling once more, realizes cooling fast, shorten cool time, enhance productivity.
In sum, the present invention a kind ofly can make the work-piece cools time in the Medium frequency induction sintering furnace short, thus the fast cooling method of the high Medium frequency induction sintering furnace of production efficiency.
Description of drawings
Fig. 1 is the present device structural representation;
Fig. 2 is a present device structure schematic top plan view.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 and Fig. 2, in body of heater 11, be provided with chassis 2 and combustion chamber assembly 1, on body of heater 11, be provided with pneumatic vent valve assembly 12, release fire tube 4 and demolition set 9, on body of heater 11, be provided with the guide duct 3 of combustion chamber assembly 1 internal layer butt joint and with combustion chamber assembly 1 outer corresponding Gas inlet tube 10, the air-cooled passage that Gas inlet tube 10 and burner hearth in body of heater 11 form on the refractory material up and down docks, the equal interlaced arrangement of each air-cooled access opening, improve thermal-radiating heat-insulating property under the high temperature, the diameter of Gas inlet tube 10 is greater than the diameter of guide duct 3, guide duct 3 is by the pneumatic ball valve 5 of water-cooled stainless steel, first corrugated stainless steel tubing 6 is connected with magnet fluid sealing centrifugal high pressure fan 7 arrival ends, magnet fluid sealing centrifugal high pressure fan 7 ports of export are connected with full red copper finned tubular radiator 8 one ends by second corrugated stainless steel tubing 13, full red copper finned tubular radiator 8 other ends are connected with Gas inlet tube 10, magnet fluid sealing centrifugal high pressure fan 7, full red copper finned tubular radiator 8, water-cooled stainless steel ball valve 5, first corrugated stainless steel tubing 6, second corrugated stainless steel tubing, 13 grades are formed air cooling system, in body of heater 11 and air cooling system, charge into purity reach 99.995% by argon gas, the non-oxidizing gas that hydrogen and/or nitrogen are formed, start the cooling that circulates of magnet fluid sealing centrifugal high pressure fan 7 and full red copper finned tubular radiator 8 when temperature drops to below 800 ℃ in body of heater 11, non-oxidizing gas pressure is 0.02bar～0.04bar in the body of heater, the cooling water temperature of radiator is 5 ℃～40 ℃, rate of temperature fall is 800～55 ℃/3h, after temperature in the body of heater 11 is reduced to below 55 ℃, closes magnet fluid sealing centrifugal high pressure fan 7 and stop cooling with full red copper finned tubular radiator 8.
Magnet fluid sealing centrifugal high pressure fan 7, full red copper finned tubular radiator 8, water-cooled stainless steel ball valve 5, first corrugated stainless steel tubing 6, second corrugated stainless steel tubing 13 etc. are formed air cooling system, and pipeline all adopts stainless steel material; For the furnace pressure that starts behind the magnet fluid sealing centrifugal high pressure fan 8 is tended to balance, the measure of taking has:
1. easily form the negative pressure place at air intake vent, adopts pressure sensor and variable-frequency governor are regulated the constant pressure-fired of rotation speed of fan;
2. the diameter of Gas inlet tube 10 reduces the pressure differential that forms suddenly greater than the diameter of guide duct 3;
3. use under condition pressure-fired (〉 blower fan total head in the stove), pressure reduces automatic tonifying Qi;
4. on air intake vent, air outlet and the body of heater micromanometer is installed, the monitoring pressure equilibrium condition;
D, automatic valve adopts the pneumatic ball valve 5 of water-cooled stainless steel, the band position probing;
E has the needle-valve of high-quality to isolate before Pressure gauge and the sensor, the furnace pressure test point is installed in furnace roof portion, and the pressure gauge connection of all test usefulness all is with seal plug, Pressure gauge can be removed sealing after test is finished.
Referring to Fig. 1 and Fig. 2, the present invention adopts the outer circulation Cooling Mode, by magnet fluid sealing centrifugal high pressure fan 7 cold medium is blown into high temperature material district, inhale to come out behind the receiving section heat through furnace wall a part of heat that leaves, enter full red copper finned tubular radiator Final 8 refrigeration more but, cooled medium advances material feeding region circulation cooling once more, realizes cooling fast, shorten cool time, enhance productivity.
Claims (1)
1, a kind of fast cooling method of Medium frequency induction sintering furnace, on body of heater, be provided with the guide duct of combustion chamber assembly internal layer butt joint and with the outer corresponding Gas inlet tube of combustion chamber assembly, connect between guide duct and Gas inlet tube control valve, cooling blower and radiator formed air cooling system, in body of heater and air cooling system, charge into and reach 99.995% the non-oxidizing gas of forming by argon gas, hydrogen and/or nitrogen by purity, it is characterized in that:
Start the cooling that circulates of cooling blower and radiator when (A), temperature drops to below 800 ℃ in body of heater, non-oxidizing gas pressure is 0.02bar～0.04bar in the body of heater, the cooling water temperature of radiator is 5 ℃～40 ℃, and rate of temperature fall is 800～55 ℃/3h;
(B), after temperature in the body of heater is reduced to below 55 ℃, close cooling blower and radiator stop the cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101432280A CN101382388A (en) | 2008-09-17 | 2008-09-17 | Fast cooling method for intermediate frequency induction sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101432280A CN101382388A (en) | 2008-09-17 | 2008-09-17 | Fast cooling method for intermediate frequency induction sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101382388A true CN101382388A (en) | 2009-03-11 |
Family
ID=40462355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101432280A Pending CN101382388A (en) | 2008-09-17 | 2008-09-17 | Fast cooling method for intermediate frequency induction sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101382388A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914168A (en) * | 2012-11-18 | 2013-02-06 | 昆山市大金机械设备厂 | Gas circulating and cooling device of induction heating furnace |
| CN103542733A (en) * | 2013-10-16 | 2014-01-29 | 沈阳星光技术陶瓷有限公司 | Powerful gas circulating and stirring device of vacuum induction sintering furnace |
| CN103591793A (en) * | 2013-11-01 | 2014-02-19 | 湖南顶立科技有限公司 | Vacuum sintering furnace |
| CN104588648A (en) * | 2015-01-30 | 2015-05-06 | 江阴中南重工股份有限公司 | Pressure sintering furnace for quickly cooling shell flanges |
| CN105157435A (en) * | 2015-08-31 | 2015-12-16 | 东莞深圳清华大学研究院创新中心 | Double-system cooling furnace |
| CN117702259A (en) * | 2024-02-06 | 2024-03-15 | 宁波合盛新材料有限公司 | Method for quickly cooling PVT furnace |
-
2008
- 2008-09-17 CN CNA2008101432280A patent/CN101382388A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914168A (en) * | 2012-11-18 | 2013-02-06 | 昆山市大金机械设备厂 | Gas circulating and cooling device of induction heating furnace |
| CN102914168B (en) * | 2012-11-18 | 2015-05-06 | 昆山市大金机械设备厂 | Gas circulating and cooling device of induction heating furnace |
| CN103542733A (en) * | 2013-10-16 | 2014-01-29 | 沈阳星光技术陶瓷有限公司 | Powerful gas circulating and stirring device of vacuum induction sintering furnace |
| CN103542733B (en) * | 2013-10-16 | 2016-01-20 | 沈阳星光技术陶瓷有限公司 | Vacuum induction sintering furnace gas strong cyclic agitating device |
| CN103591793A (en) * | 2013-11-01 | 2014-02-19 | 湖南顶立科技有限公司 | Vacuum sintering furnace |
| CN103591793B (en) * | 2013-11-01 | 2015-11-25 | 湖南顶立科技有限公司 | A kind of vacuum sintering furnace |
| CN104588648A (en) * | 2015-01-30 | 2015-05-06 | 江阴中南重工股份有限公司 | Pressure sintering furnace for quickly cooling shell flanges |
| CN105157435A (en) * | 2015-08-31 | 2015-12-16 | 东莞深圳清华大学研究院创新中心 | Double-system cooling furnace |
| CN117702259A (en) * | 2024-02-06 | 2024-03-15 | 宁波合盛新材料有限公司 | Method for quickly cooling PVT furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101382388A (en) | Fast cooling method for intermediate frequency induction sintering furnace | |
| CN100457349C (en) | Air protecting and heating type braze welding furnace | |
| CN109420813A (en) | A kind of hot air circulation soldering oven | |
| CN103114190B (en) | Continuous bright solution thermal treatment device for stainless steel welded tube | |
| CN105202949A (en) | Controllable-temperature self-cooling protection high-temperature U-tube evaporator | |
| WO2022151739A1 (en) | Controllable short-process preparation system for continuous casting and rolling preparation of titanium alloy wires | |
| CN207139050U (en) | A kind of multi-functional soldering oven | |
| CN205403462U (en) | A cooling device and system for soft magnetic ferrite sintering high -temperature gas | |
| CN207062135U (en) | A kind of float glass annealing kiln edge heat riser | |
| CN108774674A (en) | A kind of magnetic heat treatment furnace | |
| CN201277802Y (en) | Fast cooling intermediate frequency induction sintering stove | |
| CN103331446B (en) | Low-temperature hot air circulation heat treatment furnace for magnetic core and application method of heat treatment furnace | |
| CN103074573B (en) | Horizontal non-muffle-tank gas nitriding furnace | |
| CN100497664C (en) | Pushing type heating furnace with cooling apparatus | |
| CN202659941U (en) | Hot air gate valve | |
| CN215983999U (en) | Internal cooling type high-conductivity ferrite sintering furnace | |
| CN106925858A (en) | A kind of high-frequency gas protect soldering oven and its method of work | |
| CN207391538U (en) | One kind heats orientation silicon steel equipment based on low temperature casting blank | |
| CN216011773U (en) | Internal controllable cooling type power ferrite sintering furnace | |
| CN202830106U (en) | Post-weld heat treatment device for air cooler pipe heads | |
| CN101417803B (en) | Method for cooling polycrystalline silicon hydrogen reducing furnace outlet duct by air | |
| CN205974601U (en) | Anti -oxidationly decide carbon auxiliary device | |
| CN220034577U (en) | Silicon steel annealing furnace easy to cool down | |
| CN200950000Y (en) | Pusher furnace with cooling device | |
| CN216938422U (en) | Hot pressing furnace for magnetic core forming |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090311 |