CN105969960A - Small-sized low-temperature spiral heating tube internally-heated type vacuum furnace device - Google Patents
Small-sized low-temperature spiral heating tube internally-heated type vacuum furnace device Download PDFInfo
- Publication number
- CN105969960A CN105969960A CN201610525834.3A CN201610525834A CN105969960A CN 105969960 A CN105969960 A CN 105969960A CN 201610525834 A CN201610525834 A CN 201610525834A CN 105969960 A CN105969960 A CN 105969960A
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- Prior art keywords
- type vacuum
- small
- vacuum furnace
- heater
- sized low
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Classifications
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- 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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
-
- 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
- C21D1/40—Direct resistance heating
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- 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)
- Furnace Details (AREA)
- Resistance Heating (AREA)
Abstract
The invention relates to a small-sized low-temperature spiral heating tube internally-heated type vacuum furnace device. The small-sized low-temperature spiral heating tube internally-heated type vacuum furnace device comprises a spiral tubular heater and front and rear reflecting screen bodies, wherein the outer layer of the spiral tubular heater is provided with a cylinder with the spiral tubular heater, and the cylinder is formed by combining a plurality of layers of barrel-shaped reflecting screens; and the front end and the rear end of the cylinder with the spiral tubular heater are separately provided with the front reflecting screen body and the rear reflecting screen body. The small-sized low-temperature spiral heating tube internally-heated type vacuum furnace device is simple in structure, is low in processing cost, is simple to assemble, and is high in in-furnace temperature uniformity. The device can keep the temperature in the furnace constant under a vacuum condition, and a peripheral temperature of a heating tube can be reduced in a high-gradient manner.
Description
Technical field
The present invention relates to a kind of small-sized low temperature (less than 400 DEG C) internal heat type vacuum furnace device, a kind of small-sized low temperature
Helical heating pipe internal heat type vacuum furnace device.
Background technology
In product manufacturing, part heat treatment is it is frequently desirable to use small-sized low temperature (less than 400 DEG C) internal heat type vacuum drying oven, as right
Beryllium Copper Parts, comparison are accurate and require that the finding not allowing oxidation in heat treatment process carries out Ageing Treatment.According to often
Rule graphite heating component makees heater, and the volume of stove is inevitable huge, and needs to configure magnetic voltage regulator as decompression device, stove
Body need to be designed to interlayer water flowing cooling structure etc., and cost is high.
A small-sized low temperature (less than 400 DEG C) internal heat type vacuum drying oven is needed to answer in the production of the existing product precision component of company
To comparing the most accurate and requiring that the finding not allowing oxidation in heat treatment process carries out Ageing Treatment, how to seek a kind of stove built-in
Putting and make the volume of stove little, in-furnace temperature furnace temperature decision meets≤5 DEG C, and furnace tube outer wall (without cooling down water) temperature≤40 DEG C are
Technological difficulties.And reasonable employment helical heating pipe can be the prerequisite bar solving to reduce stove volume as furnace heating elements
Part.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of small-sized low temperature helical heating pipe internal heat type vacuum furnace device, should
Device can make in-furnace temperature constant under vacuum, and add heat pipe peripheral temperature energy high gradient and reduce.
In order to solve above-mentioned technical problem, present invention employs following technical scheme:
A kind of small-sized low temperature helical heating pipe internal heat type vacuum furnace device, including helix heater, front and back radiation shield body, institute
State helix heater outer layer to be provided with multi-layer barrel radiation shield and be combined into the cylinder of band helix heater；Described band spiral shell
The cylinder front and back ends of rotation tubular heater is respectively equipped with before and after's radiation shield body.
Described helix heater is the heater of the internal heat type vacuum furnace of 220 volts.
Described tubular radiation shield has three layers, and the spacing between tubular radiation shield is 3 ~ 5 cm.
If described helix heater is connected fixing with tubular radiation shield by bolt stem, nut.
Before and after described, radiation shield body is made up of 3 ~ 5 circular radiation shields, if front and back by bolt stem, spiral shell between radiation shield body
Female connection is fixed, and front and back the spacing between radiation shield is 3 ~ 5 cm.
Described small-sized low temperature helical heating pipe internal heat type vacuum furnace device is placed in Horizontal cylindrical body of heater, with tubular body of heater
Spacing 3 ~ 5 cm.
Beneficial effects of the present invention:
The present invention is by installing helical heating pipe internal heat type vacuum furnace device in Horizontal cylindrical body of heater, effectively within adding heat pipe
Space obtains well-proportioned temperature field, through there being the metering institute of qualification to survey inspection, and ￠ 180 × 300 stove under the heater of 4kW works
The body temperature uniformity reaches 400 DEG C ± 5 DEG C, it was predicted that the heater of 20kW temperature uniformity in ￠ 350 × 400 body of heater is same
Can reach 400 DEG C ± 5 DEG C.Owing to being provided without voltage step-down equipment and big for water-cooling apparatus, save equipment cost, especially
For relatively more accurate and in the case of requiring not allow the finding of oxidation to carry out Ageing Treatment in heat treatment process, configuration makes little
Type low temperature internal heat type vacuum drying oven has bright prospects.
Use the one small-sized low temperature helical heating pipe internal heat type vacuum furnace device of the present invention, be not only simple in structure, processing
With low cost, and assemble simple, the in-furnace temperature uniformity is high.This device can make in-furnace temperature constant under vacuum, and
Add heat pipe peripheral temperature energy high gradient to reduce.
Accompanying drawing explanation
Fig. 1 is the helix heater schematic diagram of the present invention；
Fig. 2 is the cylinder schematic diagram of the band helix heater of the present invention；
Fig. 3 is radiation shield body schematic diagram before and after the present invention；
Fig. 4 is the small-sized low temperature helical heating pipe internal heat type vacuum furnace device schematic diagram of the present invention.
Detailed description of the invention
The present invention will be further explained with embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, the small-sized low temperature helical heating pipe internal heat type vacuum furnace device of the present invention, including serpentine pipe
Shape heater 1, tubular radiation shield 2, front and back radiation shield body 3.Helix heater 1 outer layer is provided with multi-layer barrel radiation shield 2 groups
The cylinder of anamorphic zone helix heater；Cylinder front and back ends with helix heater is respectively equipped with and front and back reflects
Screen body 3.
As it is shown in figure 1, helix heater 1 is the heater of the internal heat type vacuum furnace of 220 volts.
As in figure 2 it is shown, the cylinder of band helix heater includes helix heater 1, contains tubular heater
Tubular radiation shield 2.If helix heater 1 is connected fixing with tubular radiation shield 2 by bolt stem, nut.Tubular radiation shield 2
Having three layers, the spacing between tubular radiation shield 2 is 3 ~ 5 cm.
As it is shown on figure 3, front and back radiation shield body 3 includes shielding sheet, fixing bolt, fixing nut.Front and back radiation shield body 3 is by 3 ~ 5 circles
Shape radiation shield forms, if front and back being connected fixing by bolt stem, nut between radiation shield body 3, front and back the spacing between radiation shield 3 is
3 ~ 5 cm。
Small-sized low temperature helical heating pipe internal heat type vacuum furnace device is placed in Horizontal cylindrical body of heater, with the spacing of tubular body of heater
3 ~ 5 cm.On the premise of present invention helical heating pipe is as furnace heating elements, make in-furnace temperature under vacuum permanent
Fixed, and it is peripheral to the reduction of tweer temperature energy high gradient to add heat pipe.
Claims (6)
1. a small-sized low temperature helical heating pipe internal heat type vacuum furnace device, including helix heater (1), tubular radiation shield
(2), front and back radiation shield body (3), it is characterised in that: described helix heater (1) outer layer is provided with multi-layer barrel radiation shield (2)
It is combined into the cylinder of band helix heater；Before the cylinder front and back ends of described band helix heater is respectively equipped with
Back reflection screen body (3).
Small-sized low temperature helical heating pipe internal heat type vacuum furnace device the most according to claim 1, it is characterised in that: described spiral shell
Rotation tubular heater (1) is the heater of the internal heat type vacuum furnace of 220 volts.
Small-sized low temperature helical heating pipe internal heat type vacuum furnace device the most according to claim 1, it is characterised in that: described cylinder
Shape radiation shield (2) has three layers, and the spacing between tubular radiation shield (2) is 3 ~ 5 cm.
Small-sized low temperature helical heating pipe internal heat type vacuum furnace device the most according to claim 1, it is characterised in that: described spiral shell
Revolve tubular heater (1) with tubular radiation shield (2) if be connected fixing by bolt stem, nut.
Small-sized low temperature helical heating pipe internal heat type vacuum furnace device the most according to claim 1, it is characterised in that: before described
Back reflection screen body (3) is made up of 3 ~ 5 circular radiation shields, front and back radiation shield body (3) if between connected solid by bolt stem, nut
Fixed, front and back the spacing between radiation shield (3) is 3 ~ 5 cm.
6. according to the arbitrary described small-sized low temperature helical heating pipe internal heat type vacuum furnace device of claim 1-5, it is characterised in that:
Described small-sized low temperature helical heating pipe internal heat type vacuum furnace device is placed in Horizontal cylindrical body of heater, with the spacing 3 of tubular body of heater ~
5 cm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610525834.3A CN105969960A (en) | 2016-07-06 | 2016-07-06 | Small-sized low-temperature spiral heating tube internally-heated type vacuum furnace device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610525834.3A CN105969960A (en) | 2016-07-06 | 2016-07-06 | Small-sized low-temperature spiral heating tube internally-heated type vacuum furnace device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105969960A true CN105969960A (en) | 2016-09-28 |
Family
ID=56954037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610525834.3A Pending CN105969960A (en) | 2016-07-06 | 2016-07-06 | Small-sized low-temperature spiral heating tube internally-heated type vacuum furnace device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105969960A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57201522A (en) * | 1981-06-01 | 1982-12-10 | Mitsubishi Electric Corp | Cell for vacuum deposition |
| CN87200996U (en) * | 1987-01-26 | 1987-12-31 | 浙江省汽车运输公司金华汽车修理厂 | Vacuum heat treatment pot used in an electric resistance furnace |
| CN2128722Y (en) * | 1992-07-20 | 1993-03-24 | 机械电子工业部工艺研究所 | Heating apparatus for vacuum heat treating furnace |
| JPH0949030A (en) * | 1995-08-08 | 1997-02-18 | Daido Steel Co Ltd | Vacuum treating apparatus for powdery and granular material |
| CN101067996A (en) * | 2006-03-17 | 2007-11-07 | 通用电气公司 | Semiconductor batch heating subassembly |
| CN102080151A (en) * | 2010-12-15 | 2011-06-01 | 中国科学院合肥物质科学研究院 | Pit type Nb3Sn coil thermal treatment furnace system under conditions of vacuum and aeration protection |
| CN202169427U (en) * | 2011-07-28 | 2012-03-21 | 无锡四方集团真空炉业有限公司 | Heating chamber of vacuum brazing furnace |
| CN104713358A (en) * | 2015-02-13 | 2015-06-17 | 中国科学院上海硅酸盐研究所 | Low-power-dissipation high-temperature resistance furnace |
| CN205933920U (en) * | 2016-07-06 | 2017-02-08 | 上海衡拓液压控制技术有限公司 | Hot type vacuum furnace device in small -size low temperature spiral heating pipe |
-
2016
- 2016-07-06 CN CN201610525834.3A patent/CN105969960A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57201522A (en) * | 1981-06-01 | 1982-12-10 | Mitsubishi Electric Corp | Cell for vacuum deposition |
| CN87200996U (en) * | 1987-01-26 | 1987-12-31 | 浙江省汽车运输公司金华汽车修理厂 | Vacuum heat treatment pot used in an electric resistance furnace |
| CN2128722Y (en) * | 1992-07-20 | 1993-03-24 | 机械电子工业部工艺研究所 | Heating apparatus for vacuum heat treating furnace |
| JPH0949030A (en) * | 1995-08-08 | 1997-02-18 | Daido Steel Co Ltd | Vacuum treating apparatus for powdery and granular material |
| CN101067996A (en) * | 2006-03-17 | 2007-11-07 | 通用电气公司 | Semiconductor batch heating subassembly |
| CN102080151A (en) * | 2010-12-15 | 2011-06-01 | 中国科学院合肥物质科学研究院 | Pit type Nb3Sn coil thermal treatment furnace system under conditions of vacuum and aeration protection |
| CN202169427U (en) * | 2011-07-28 | 2012-03-21 | 无锡四方集团真空炉业有限公司 | Heating chamber of vacuum brazing furnace |
| CN104713358A (en) * | 2015-02-13 | 2015-06-17 | 中国科学院上海硅酸盐研究所 | Low-power-dissipation high-temperature resistance furnace |
| CN205933920U (en) * | 2016-07-06 | 2017-02-08 | 上海衡拓液压控制技术有限公司 | Hot type vacuum furnace device in small -size low temperature spiral heating pipe |
Non-Patent Citations (1)
| Title |
|---|
| 马登杰等: "《真空热处理原理与工艺》", 29 February 1988 * |
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Application publication date: 20160928 |
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