CN114214484B - Constant temperature improving device of magnetic field heat treatment system - Google Patents
Constant temperature improving device of magnetic field heat treatment system Download PDFInfo
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- CN114214484B CN114214484B CN202111545517.5A CN202111545517A CN114214484B CN 114214484 B CN114214484 B CN 114214484B CN 202111545517 A CN202111545517 A CN 202111545517A CN 114214484 B CN114214484 B CN 114214484B
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- heat treatment
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 90
- 239000000498 cooling water Substances 0.000 claims abstract description 9
- 238000004321 preservation Methods 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/04—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering with simultaneous application of supersonic waves, magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a constant temperature improving device of a magnetic field heat treatment system, which comprises a magnetic field heat treatment furnace, a circulating cooling water control cabinet, a magnetic field control cabinet and an electric furnace control cabinet, wherein the circulating cooling water control cabinet, the magnetic field control cabinet and the electric furnace control cabinet are connected with the magnetic field heat treatment furnace, the heat treatment furnace of the magnetic field heat treatment furnace comprises a shell, a heat preservation layer and a heat-resistant layer from outside to inside, a hearth is formed in the heat-resistant layer, a placing rack and a baffle are arranged in the hearth, heating wires of high-temperature resistant ceramics are wound on the outer surface of the heat-resistant layer at variable intervals, a first plug and a second plug are respectively arranged at the two ends of the heat treatment furnace, a fan with a bearing penetrating through the second plug is arranged on the second plug, the area of the placing rack in the hearth is a hearth middle section, the area of the placing rack close to the first plug is a hearth front section, and the area of the placing rack close to the second plug is a hearth rear section. The device improves the uniformity and the accuracy of the temperature in the hearth, finally realizes the improvement of the production quality and the yield of the product, and can be widely applied to the heat treatment of workpieces.
Description
Technical Field
The invention relates to a magnetic field heat treatment technology, in particular to a constant temperature improving device of a magnetic field heat treatment system.
Background
Because the optimal Curie temperature range corresponding to different magnetic steel materials is very narrow (generally within +/-2 ℃), the temperature control precision of the heat treatment furnace and the uniformity of the temperature in the furnace are key to ensuring that the product obtains high quality.
At present, enterprises are required to control the temperature to +/-5 ℃ when carrying out heat treatment on magnetic field products.
At present, the field of the magnetic field heat treatment system at the present stage does not achieve a skillful stage for controlling the temperature. The temperature in the furnace of the magnetic field heat treatment system is even and very poor, the temperature difference of a certain section of space in the furnace is even up to 10 ℃, the heating control system adopts a manual control mode at present, an operator is required to keep full attention on the ampere meter during the production, and the ampere meter is regulated as required. The product quality is greatly influenced by human factors, and the labor intensity of workers is high. The existing furnace for enterprise production only has middle section heating, and front section heating and rear section heating are not provided, so that the temperature in the middle of the middle section is higher, the temperatures at the two ends of the middle section are lower (the heat at the two ends is more dissipated), and the furnace temperature is uneven.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art and provides a constant temperature improving device of a magnetic field heat treatment system. The device improves the uniformity and the accuracy of the temperature in the hearth, finally realizes the improvement of the production quality and the yield of the product, and can be widely applied to the heat treatment of workpieces.
The technical scheme for realizing the aim of the invention is as follows:
the constant temperature improving device of the magnetic field heat treatment system comprises a magnetic field heat treatment furnace, a circulating cooling water control cabinet, a magnetic field control cabinet and an electric furnace control cabinet, wherein the circulating cooling water control cabinet, the magnetic field control cabinet and the electric furnace control cabinet are connected with the magnetic field heat treatment furnace, the magnetic field heat treatment furnace comprises a bottom plate, a first magnetic yoke with a magnetic yoke coil on the outer wall is arranged on the bottom plate, a second magnetic yoke and a third magnetic yoke which are perpendicular to the first magnetic yoke are respectively arranged at the ends of the two ends of the first magnetic yoke, a heat treatment furnace with a first support frame is arranged above the first magnetic yoke, wherein the first support frame is bridged on the first magnetic yoke, a first magnetic pole and a second magnetic pole with a magnetic pole coil are respectively arranged at the two sides of the heat treatment furnace right above the first magnetic yoke, the first magnetic pole and the second magnetic pole are respectively connected with the second magnetic yoke and the third magnetic yoke vertically, a first magnetic pole pressing plate and a second magnetic pole pressing plate which partially extend out of the second magnetic yoke and a second magnetic pole pressing plate are respectively arranged at the ends of the second magnetic yoke and the third magnetic yoke,
the heat treatment furnace comprises an outer shell, a heat preservation layer and a heat-resistant layer which are arranged from outside to inside, a hearth is formed in the heat-resistant layer, a placing frame and a baffle are arranged in the hearth, heating wires of high-temperature resistant ceramics are wound and strung on the outer surface of the heat-resistant layer at variable intervals, a first plug and a second plug are respectively arranged at the end parts of two ends of the heat treatment furnace, the first plug is close to a furnace door, a fan with a bearing penetrating through the second plug is arranged on the second plug, the fan stretches into the baffle, a motor is arranged at the end part of the fan, which is outwards, of the bearing of the fan, the placing frame in the hearth is a middle section of the hearth, the area of the placing frame close to the first plug is a front section of the hearth, and the area of the placing frame close to the second plug is a rear section of the hearth.
The winding space of the heating wire on the outer surface of the heat-resistant layer is narrowed from the middle section of the furnace to the direction of the front section of the furnace and the direction of the rear section of the furnace respectively, the heating temperature of the heating wire enables the temperatures of the front section of the furnace, the rear section of the furnace and the middle section of the furnace to be balanced, and the cooling end compensation is realized, so that the influence of the temperature difference of a product on the material in the production process is reduced, and the yield and the quality of a finished product are improved.
The heat treatment furnace is provided with a group of thermocouples penetrating through the shell, the heat preservation layer and the heat-resistant layer and extending into the middle section of the hearth so as to monitor the temperature in the furnace.
And a heat insulation plate is arranged on a bearing between the motor and the second plug, so that the motor is prevented from being damaged during magnetic heating.
The fan is a high-temperature-resistant fan.
The baffle forms a relative isolation area with the magnetic heating area in the furnace, and in the heating process, the fan forms an air channel when working, so that air in the furnace circulates, heat transfer in the furnace is quickened, and the temperature uniformity index in the furnace is improved.
The specific winding interval of the heating wire is determined according to the heating value of the heating wire and the influence on the temperature field so as to ensure that the temperature in the furnace is kept uniform.
And the peripheries of the first magnetic yoke, the first magnetic pole and the second magnetic pole are respectively provided with a protective shell.
The bearing is provided with a bearing sleeve, so that the bearing and the second plug are prevented from generating a gap when the fan works, and the temperature in the hearth is prevented from losing.
The first magnetic yoke, the second magnetic yoke and the third magnetic yoke are integrally formed.
The working process comprises the following steps: the heat treatment work pieces are orderly arranged in the small tray, the heat treatment work pieces are bound by iron wires and placed in the special red copper sleeve for heating, the red copper sleeve is placed on the placing frame, the first plug is placed, the furnace door is closed, the circulating cooling water control cabinet, the magnetic field control cabinet and the electric furnace control cabinet are operated to magnetically heat the work pieces in the furnace chamber, then the motor control fan is started to rotate, meanwhile, the heating wire power supply on the front section and the rear section of the furnace chamber is started to control the heating wire power supply on the front section and the rear section of the furnace chamber, the heating wire works to enable the temperatures of the front section and the rear section of the furnace chamber to rise, cold end compensation is achieved, and the temperature in the furnace chamber is kept uniform.
The device improves the uniformity and the accuracy of the temperature in the hearth, finally realizes the improvement of the production quality and the yield of the product, and can be widely applied to the heat treatment of workpieces.
Drawings
FIG. 1 is a schematic view showing a structure of a heat treatment furnace according to an embodiment;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a general assembly view of an embodiment;
FIG. 4 is a schematic view showing the structure of a magnetic field heat treatment furnace according to an embodiment;
fig. 5 is a schematic diagram of a winding manner of the heating wire in the embodiment.
In the figure, 1, a first plug 2, a thermocouple 3, a placement frame 4, a baffle 5, a hearth front section 6, a hearth middle section 7, a hearth rear section 8, a shell 9, a heat insulating layer 10, a heat-resistant layer 11, ceramic 12, a heating wire 13, a bearing sleeve 15, a motor 16, a heat insulating plate 17, a fan 18, a second plug 19, a circulating cooling water control cabinet 20, a magnetic field heat treatment furnace 201, a bottom plate 202, a first magnetic yoke 203, a magnetic yoke coil 204, a second magnetic yoke 205, a third magnetic yoke 206, a magnetic pole coil 207, a first support frame 208, a first magnetic pole pressing plate 209, a second magnetic pole pressing plate 210, a second support frame 211, a third support frame 212, a first magnetic pole 213, a second magnetic pole 21, a heat treatment furnace 22, a magnetic field control cabinet 23, and an electric furnace control cabinet.
Detailed Description
The invention will now be described in further detail with reference to the drawings and specific examples, which are not intended to limit the invention thereto.
Examples:
referring to fig. 1 to 4, a constant temperature improving apparatus of a magnetic field heat treatment system comprises a magnetic field heat treatment furnace 20, and a circulating cooling water control cabinet 19, a magnetic field control cabinet 22 and an electric furnace control cabinet 23 which are connected with the magnetic field heat treatment furnace 20, wherein the magnetic field heat treatment furnace 20 comprises a bottom plate 201, a first magnetic yoke 202 with a yoke coil 203 on the outer wall is arranged on the bottom plate 201, two end heads of the first magnetic yoke 202 are respectively provided with a second magnetic yoke 204 and a third magnetic yoke 205 which are perpendicular to the first magnetic yoke 202, a heat treatment furnace 21 with a first support frame 207 is arranged above the first magnetic yoke 202, wherein the first support frame 207 is bridged on the first magnetic yoke 202, two sides of the heat treatment furnace 21 right above the first magnetic yoke 202 are respectively provided with a first magnetic pole 212 and a second magnetic pole 213 with a magnetic pole coil 206, the first magnetic pole 212 and the second magnetic pole 213 are respectively vertically connected with the second magnetic yoke 204 and the third magnetic yoke 205, the outward ends of the second magnetic yoke 204 and the third magnetic yoke 205 are respectively provided with a first magnetic pole pressing plate 208 and a second magnetic pole 209 which are partially extended out of the second magnetic yoke 205, the second magnetic pole pressing plate 208 and a third magnetic yoke 209 are respectively arranged on the second magnetic yoke 205 and a third magnetic yoke 205,
the heat treatment furnace 21 comprises an outer shell 8, a heat preservation layer 9 and a heat-resistant layer 10 which are arranged from outside to inside, a hearth is formed in the heat-resistant layer 10, a placing frame 3 and a baffle 4 are arranged in the hearth, the placing frame 3 is arranged in the baffle 4, the variable-spacing winding of the outer surface of the heat-resistant layer 10 is provided with an electric heating wire 12 of high-temperature resistant ceramic 11, the end parts of the two ends of the heat treatment furnace 21 are respectively provided with a first plug 1 and a second plug 18, the first plug 1 is close to a furnace door, a fan 17 with a bearing penetrating through the second plug 18 is arranged on the second plug 18, the fan 17 stretches into the baffle 4, a motor 15 is arranged at the outward end part of the fan bearing, the area of the placing frame 3 in the hearth is a hearth middle section 6, the area of the placing frame 3 close to the first plug 1 is a hearth front section 5, and the area of the placing frame 3 close to the second plug 18 is a hearth rear section 7.
As shown in fig. 5, the winding space of the heating wire 12 on the outer surface of the heat-resistant layer 10 is narrowed from the middle furnace section 6 to the front furnace section 5 and the rear furnace section 7 respectively, and the heating temperature of the heating wire 12 keeps the temperature of the front furnace section 5 and the rear furnace section 7 balanced with the middle furnace section 6 for realizing cold end compensation, thereby reducing the influence of the temperature difference of the product on the material in the production process and improving the yield and the quality of the finished product.
The heat treatment furnace 21 is provided with a group of thermocouples 2 which penetrate through the shell 8, the heat preservation layer 9 and the heat-resistant layer 10 and extend into the middle section 6 of the hearth so as to monitor the temperature in the furnace.
And a heat insulation plate 16 is arranged on a bearing between the motor 15 and the second plug 18, so that the motor 15 is prevented from being damaged during magnetic heating.
The fan 17 is a high temperature resistant fan.
The baffle 4 forms a relative isolation area with the magnetic heating area in the hearth, and in the heating process, the fan 17 works, the baffle 4 forms an air channel, so that air in the hearth circulates, heat transfer in the hearth is quickened, and the temperature uniformity index in the hearth is improved.
The specific winding interval of the heating wire 12 is determined according to the heating value of the heating wire 12 and the influence on the temperature field.
The first magnetic yoke 202, the first magnetic pole 212 and the second magnetic pole 213 are all provided with protective shells at the periphery.
The bearing is provided with the bearing sleeve 13, so that when the fan 17 works, the bearing and the second plug 18 generate a gap to ensure that the temperature in the hearth is lost.
The first yoke 202 is integrally formed with the second yoke 204 and the third yoke 205.
The working process comprises the following steps: the heat treatment workpieces are orderly arranged in a small tray, bound by iron wires and placed in a red copper sleeve special for heating, the red copper sleeve is placed on a placing frame 3, a first plug 1 is placed, a furnace door is closed, a circulating cooling water control cabinet 19, a magnetic field control cabinet 22 and an electric furnace control cabinet 23 are operated to magnetically heat the workpieces in a furnace chamber, then a motor 15 is started to control a fan 17 to rotate, and meanwhile, a heating wire 12 power supply for controlling the furnace chamber front section 5 and the furnace chamber rear section 7 is started, the heating wire 12 works to enable the temperature of the furnace chamber front section 5 and the furnace chamber rear section 7 to rise, cold end compensation is achieved, and the temperature in the furnace chamber is kept uniform.
Claims (5)
1. The constant temperature improving device of the magnetic field heat treatment system comprises a magnetic field heat treatment furnace, and a circulating cooling water control cabinet, a magnetic field control cabinet and an electric furnace control cabinet which are connected with the magnetic field heat treatment furnace, and is characterized in that the magnetic field heat treatment furnace comprises a bottom plate, a first magnetic yoke with a magnetic yoke coil on the outer wall is arranged on the bottom plate, a second magnetic yoke and a third magnetic yoke which are perpendicular to the first magnetic yoke are respectively arranged at the two ends of the first magnetic yoke, a heat treatment furnace with a first support frame is arranged above the first magnetic yoke, wherein the first support frame is bridged on the first magnetic yoke, a first magnetic pole and a second magnetic pole with a magnetic pole coil are respectively arranged at the two sides of the heat treatment furnace right above the first magnetic yoke, the first magnetic pole and the second magnetic pole are respectively connected with the second magnetic yoke and the third magnetic yoke vertically, a first magnetic pole pressing plate and a second magnetic pole pressing plate which partially extend out of the second magnetic yoke and are respectively arranged at the outer ends of the second magnetic yoke and the third magnetic yoke, a second support frame and a third support frame which is used for supporting the first magnetic pole pressing plate and the second magnetic pole pressing plate are respectively arranged on the second magnetic yoke and the third magnetic yoke,
the heat treatment furnace comprises an outer shell, a heat preservation layer and a heat-resistant layer from outside to inside, a hearth is formed in the heat-resistant layer, a placing rack and a baffle are arranged in the hearth, the placing rack is arranged in the baffle, heating wires of high-temperature resistant ceramics are wound and strung on the outer surface of the heat-resistant layer at variable intervals, the two end parts of the heat treatment furnace are respectively provided with a first plug and a second plug, the first plug is close to a furnace door, a fan with a bearing penetrating through the second plug is arranged on the second plug, the fan stretches into the baffle, a motor is arranged at the end part of the fan, which faces outwards, the placing rack in the hearth is in the middle section of the hearth, the place rack is close to the first plug and is in the front section of the hearth, and the place rack is close to the second plug and is in the rear section of the hearth;
the winding space of the heating wire on the outer surface of the heat-resistant layer is narrowed from the middle section of the hearth to the directions of the front section and the rear section of the hearth respectively.
2. The apparatus according to claim 1, wherein the heat treatment furnace is provided with a plurality of thermocouples extending through the housing, the heat insulating layer and the heat resistant layer and into the middle section of the furnace.
3. The constant temperature improving device of the magnetic field heat treatment system according to claim 1, wherein a heat insulating plate is arranged on a bearing between the motor and the second plug.
4. The apparatus for improving the constant temperature of a magnetic field heat treatment system according to claim 1, wherein the fan is a high temperature resistant fan.
5. The apparatus of claim 1, wherein the baffle forms a relatively isolated region from the magnetic heating region in the furnace, and the fan is operable to form an air duct to circulate air in the furnace and to accelerate heat transfer in the furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111545517.5A CN114214484B (en) | 2021-12-17 | 2021-12-17 | Constant temperature improving device of magnetic field heat treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111545517.5A CN114214484B (en) | 2021-12-17 | 2021-12-17 | Constant temperature improving device of magnetic field heat treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114214484A CN114214484A (en) | 2022-03-22 |
| CN114214484B true CN114214484B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111545517.5A Active CN114214484B (en) | 2021-12-17 | 2021-12-17 | Constant temperature improving device of magnetic field heat treatment system |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0069178A1 (en) * | 1981-07-08 | 1983-01-12 | The Electricity Council | Method of and apparatus for heat treatment of rotationally symmetrical workpieces by induction heating |
| CN2504582Y (en) * | 2001-11-21 | 2002-08-07 | 中国科学院金属研究所 | Heat treatment heating furnace |
| CN101639390A (en) * | 2009-09-07 | 2010-02-03 | 上海量值测控仪器科技有限公司 | Novel vertical type thermocouple detecting furnace |
| CN201909534U (en) * | 2010-10-28 | 2011-07-27 | 合肥高歌热处理应用技术有限公司 | Box type resistance furnace |
| CN202201921U (en) * | 2011-08-03 | 2012-04-25 | 安徽芜湖君华科技材料有限责任公司 | Amorphous alloy transverse-magnetic heat treating and magnetizing device |
| CN206418160U (en) * | 2016-12-08 | 2017-08-18 | 江西新裕隆汽车零部件有限公司 | A kind of energy-saving tempering furnace |
| CN107326152A (en) * | 2017-07-21 | 2017-11-07 | 四川西南工业炉有限公司 | A kind of stable magnetic heat treatment furnace of performance |
| CN108441618A (en) * | 2018-06-25 | 2018-08-24 | 浙江宇辰工业炉有限公司 | A kind of energy-saving tempering furnace |
| CN109161643A (en) * | 2018-08-17 | 2019-01-08 | 华北电力大学扬中智能电气研究中心 | A kind of magnetic heat treatment furnace |
| CN110933784A (en) * | 2019-11-28 | 2020-03-27 | 航天特种材料及工艺技术研究所 | One-dimensional heat transfer high-temperature uniform heating plate and heating device |
| CN111074063A (en) * | 2019-12-23 | 2020-04-28 | 南京紫航软件科技有限公司 | Heat cycle uniform system of heat furnace and control method |
-
2021
- 2021-12-17 CN CN202111545517.5A patent/CN114214484B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0069178A1 (en) * | 1981-07-08 | 1983-01-12 | The Electricity Council | Method of and apparatus for heat treatment of rotationally symmetrical workpieces by induction heating |
| CN2504582Y (en) * | 2001-11-21 | 2002-08-07 | 中国科学院金属研究所 | Heat treatment heating furnace |
| CN101639390A (en) * | 2009-09-07 | 2010-02-03 | 上海量值测控仪器科技有限公司 | Novel vertical type thermocouple detecting furnace |
| CN201909534U (en) * | 2010-10-28 | 2011-07-27 | 合肥高歌热处理应用技术有限公司 | Box type resistance furnace |
| CN202201921U (en) * | 2011-08-03 | 2012-04-25 | 安徽芜湖君华科技材料有限责任公司 | Amorphous alloy transverse-magnetic heat treating and magnetizing device |
| CN206418160U (en) * | 2016-12-08 | 2017-08-18 | 江西新裕隆汽车零部件有限公司 | A kind of energy-saving tempering furnace |
| CN107326152A (en) * | 2017-07-21 | 2017-11-07 | 四川西南工业炉有限公司 | A kind of stable magnetic heat treatment furnace of performance |
| CN108441618A (en) * | 2018-06-25 | 2018-08-24 | 浙江宇辰工业炉有限公司 | A kind of energy-saving tempering furnace |
| CN109161643A (en) * | 2018-08-17 | 2019-01-08 | 华北电力大学扬中智能电气研究中心 | A kind of magnetic heat treatment furnace |
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| CN111074063A (en) * | 2019-12-23 | 2020-04-28 | 南京紫航软件科技有限公司 | Heat cycle uniform system of heat furnace and control method |
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| CN114214484A (en) | 2022-03-22 |
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