CN106403618A - Electric heating furnace and temperature control system thereof - Google Patents
Electric heating furnace and temperature control system thereof Download PDFInfo
- Publication number
- CN106403618A CN106403618A CN201610929025.9A CN201610929025A CN106403618A CN 106403618 A CN106403618 A CN 106403618A CN 201610929025 A CN201610929025 A CN 201610929025A CN 106403618 A CN106403618 A CN 106403618A
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- CN
- China
- Prior art keywords
- electric furnace
- control system
- temperature control
- temperature
- electric heating
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- 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.)
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Classifications
-
- 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
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/62—Heating elements specially adapted for furnaces
- H05B3/64—Heating elements specially adapted for furnaces using ribbon, rod, or wire heater
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an electric heating furnace and a temperature control system thereof which are used for material mechanical performance tests, and relates to the field of material performance tests. The electric heating furnace comprises a 150-300 W electric heating furnace body, a 0-500 DEG C temperature controller, a power line and the like. The electric heating furnace body is fixed to lifting supports through fastening screws and is flexibly adjustable in height. The electric heating furnace and the temperature control system thereof can be used for tensile strength tests and croop property tests of metal material samples at the constant temperature of 25-500 DEG C, and can also be used for tensile strength tests of high molecular material samples at the constant temperature of 25-250 DEG C. The electric heating device is not limited by the shapes and sizes of tensile samples and types of material testing machines, and has the characteristics of being wide in application range, good in universality, simple in manufacturing and low in manufacturing cost.
Description
Technical field
The invention belongs to material properties test field, more particularly to one kind are used for metal material and macromolecular material high temperature
The electric furnace of Mechanics Performance Testing and its temperature control system.
Background technology
In modern material field, macromolecular material has the molecular structure of uniqueness and the performance of easily modified easy processing, gold
Belong to alloy material, such as stainless steel, aluminium alloy, titanium alloy etc., there is higher intensity, plasticity and chemical stability, thus all by
It is widely used among Medical Devices, space flight and aviation equipment, automobile and daily life product.But either macromolecular material is also
It is metal alloy compositions, its intensity and plasticity all can occur significant change with the change of environment temperature, how research carries
The method of these material at high temperature intensity high has become as the major subjects of current investigation of materials.And study for macromolecular material and
The Material Testing Machine of metal material mechanics performance test has great importance.
General colleges and universities and enterprise making the heater being used during material at high temperature Mechanics Performance Testing, be all with special
The equipment that Material Testing Machine matches, is nested, equipment purchasing expense is high, and poor universality is it is impossible to be simultaneously suitable for gold
Belong to the mechanical behavior under high temperature test of material and macromolecular material.Instant invention overcomes disadvantage mentioned above, can be used for metal material sample
At constant 25 ~ 500 DEG C, the test of tensile strength, croop property is it can also be used to macromolecular material sample is at constant 25 ~ 250 DEG C
The test of lower tensile strength.The electric heater unit of the present invention is due to not Tensile specimen shape and size, Material Testing Machine type
Restriction, thus have that range is wide, versatility is good, simple, the cheap feature of device fabrication.
Content of the invention
The technical problem to be solved is to provide one kind and is used for metal material and macromolecular material high-temperature mechanics
The electric furnace that can test and its temperature control system, can be used for metal material sample tensile strength, creep at constant 25 ~ 500 DEG C
The test of performance is it can also be used to the test of macromolecular material sample tensile strength at constant 25 ~ 250 DEG C.
The present invention employed technical scheme comprise that for solving above-mentioned technical problem, provides one kind to be used for material at high temperature mechanical property
The electric furnace that can test and its temperature control system, are constituted including electric furnace, temperature controller, power line etc..Electric furnace by
Upper lid, cylinder, heating wire, thermocouple and its lead-out wire, lifting support, asbestos composition；The heating wire being wound around asbestos yarn is wound on cylinder
Body is internally formed heating space, and thermocouple is inserted into heating space by cylinder top, fills out between electric furnace cylinder and heating wire
There are insulation asbestos, lifting support is fixed on the bottom of the cylinder height to adjust heating furnace by trip bolt.
Further, the heating wire of described electric furnace, power is 150W ~ 300W.
Further, a diameter of Φ 3 ~ 5mm of the thermocouple of described electric furnace and its lead-out wire, wherein thermocouple, length
Spending for 200 ~ 300mm, Graduation Number is the stainless steel armoured thermocouple of K.
Further, the cylinder of described electric furnace, a diameter of Φ 150 ~ 200mm, is highly 130 ~ 180mm, by 0.3 ~
0.5mm metallic plate processes.A diameter of Φ 30 ~ 50mm of body centre circular hole.
Further, the lifting support of described electric furnace, its a diameter of Φ 10 ~ 14mm, length is 50 ~ 100mm, can lead to
The height crossing lifting support adjustment is 20 ~ 100mm.
Further, described temperature controller, for connecing the common digital display type temperature controller of K thermocouple, it measures and control
The temperature range of system is 0 ~ 500 DEG C.
Beneficial effect
1st, the technical scheme is that the center hole that tensile sample is passed through electric furnace is arranged on the folder of Material Testing Machine
The height of body of heater, compared with prior art, the present invention on tool, can be adjusted by adjusting three lifting supports of electric furnace bottom
Electric heater unit not Tensile specimen shape and size restriction, easy to use；2nd, the electric heater unit of the present invention is not
Need to be directly nested with Material Testing Machine, freely adjustable position, thus do not limited by Material Testing Machine type, have and use model
Enclose feature wide, that versatility is good.3rd, due to having selected common material to be fabricated to electric heater unit, apparatus structure is simple for the present invention,
Thus have the characteristics that device fabrication is simple, cheap.
Brief description
Fig. 1 is the electric furnace overall structure diagram of the present invention；
Fig. 2 is electric furnace and its temperature control system schematic diagram of the present invention.
In figure：Cover on 1；2 cylinders；3 handles；4 power lines；5 thermocouples and its lead-out wire；6 heating wire
7 asbestos；8 trip bolts；9 lifting supports；10 fixtures；11 electric furnaces；12 tensile samples；13 temperature controllers.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Refer to Fig. 1 ~ Fig. 2, electric furnace and its temperature control system that the present invention provides, are for metal material and macromolecule
Material at high temperature Mechanics Performance Testing, including structures such as electric furnace 11, temperature controller 13, power line 4 and thermocouple lead-out wires 5
Become.Electric furnace is made up of upper lid 1, cylinder 2, thermocouple and its lead-out wire 5, heating wire 6, asbestos 7, lifting support 9 etc., in electricity
It is filled with insulation asbestos, electric furnace is fixed on lifting support by trip bolt 8 between heating furnace tube and heating wire.Thermocouple
And its power line 4 of lead-out wire 5 and electric furnace is connected with the respective terminal of temperature controller respectively.
The process of the present invention is described below：
From known thickness be the metals such as the steel of 0.3 ~ 0.5mm, stainless steel, aluminium alloy be fabricated to electric furnace cylinder and on
Lid, such as Fig. 1.Then again the heating wire being wound around 150 ~ 300W of asbestos yarn is wound on inner barrel, forms the spheroidal heating of class
Space, installs thermocouple, lifting support and handle, connects power line, completes the making of electric furnace.As Fig. 2, then by thermocouple
Lead-out wire and the power line of electric furnace be linked into the respective terminal of temperature controller respectively, complete the peace of temperature control system
Dress, is finally completed the integrated connection of electric furnace and its temperature control system.
The use process of the present invention is described below：
The center hole that tensile sample 12 is passed through electric furnace 11 is arranged on the fixture 10 of Material Testing Machine；By adjusting electricity
Heating three lifting supports 9 of furnace bottom adjust the height of body of heater, make metal stretching sample be in the middle position of heating furnace；Open
The power switch of temperature controller 13, the numerical value of setup control temperature, start to warm up；Heating-up temperature reaches set temperature value, opens
Begin to be incubated, and record temperature retention time；Reach the temperature retention time setting, open Material Testing Machine and carry out tension test.
Described tensile sample length is 25 ~ 50mm；Described tension test includes metal material sample and surveys at a constant temperature
Try its tensile strength and its tensile strength tested at a constant temperature by croop property, macromolecular material sample；Described temperature controller
Setup control temperature is 25 ~ 250 DEG C.
Below taking the standard metal tensile sample for Φ 5mm × 25mm for the tensile sample and standard plastic tensile sample as a example,
Further illustrate the specific embodiment of the present invention：
Embodiment 1
In the present embodiment, tensile sample is the standard magnesium alloy tensile test bar of Φ 5mm × 25mm, in XWW-20 type electronic universal material
Carry out tensile strength test on material testing machine, draw speed is 1 mm/min, sets programming rate as 5 DEG C/min, control temperature
For 175 DEG C.Start tension test at a temperature of reaching the control setting after insulation 20min.The heating wire of heating furnace is 300W,
Employing Graduation Number is K, diameter of phi 3mm, the stainless steel armoured thermocouple of length 200mm, furnace diameter Φ 175mm, highly
150mm.
Embodiment 2
In the present embodiment, tensile sample is the standard plastic tensile sample of Φ 5mm × 25mm, in XWW-20 type electronic universal material
Tensile strength test is carried out on testing machine, draw speed is 1 mm/min, sets programming rate as 2 DEG C/min, control temperature is
50℃.Start tension test at a temperature of reaching the control setting after insulation 15min.The heating wire of heating furnace is 150W, adopts
Graduation Number is K, diameter of phi 3mm, the stainless steel armoured thermocouple of length 150mm, furnace diameter Φ 150mm, height 120mm.
Embodiment 3
In the present embodiment, tensile sample is the standard Aluminum alloy tensile sample of Φ 5mm × 25mm, in XWW-20 type electronic universal material
Carry out tensile strength test on material testing machine, draw speed is 1 mm/min, sets programming rate as 5 DEG C/min, control temperature
For 150 DEG C.Start to do creep test after insulation 15min at a temperature of reaching the control setting.The heating wire of heating furnace is
300W, employing Graduation Number is K, diameter of phi 3mm, the stainless steel armoured thermocouple of length 200mm, and furnace diameter Φ 175mm is high
Degree 150mm.
Above example is descriptive, is not determinate it is impossible to limit protection scope of the present invention with this.
Claims (6)
1. a kind of electric furnace and its temperature control system, including electric furnace, temperature controller, power line it is characterised in that electricity adds
Hot stove is made up of upper lid, cylinder, heating wire, thermocouple and its lead-out wire, lifting support, asbestos etc., in electric furnace cylinder and
It is filled with insulation asbestos, electric furnace is fixed on lifting support by trip bolt between heating wire.
2. electric furnace as claimed in claim 1 and its temperature control system are it is characterised in that power of heating wire is 150W ~ 300W.
3. electric furnace as claimed in claim 1 and its temperature control system it is characterised in that a diameter of Φ 3 ~ 5mm of thermocouple,
Length is 200 ~ 300mm, Graduation Number is the stainless steel armouring of K.
4. electric furnace as claimed in claim 1 and its temperature control system it is characterised in that barrel diameter be Φ 150 ~ 200mm,
It is highly 130 ~ 180mm, processed by 0.3 ~ 0.5mm metallic plate, a diameter of Φ 30 ~ 50mm of body centre circular hole.
5. electric furnace as claimed in claim 1 and its temperature control system it is characterised in that lifting support a diameter of Φ 10 ~
14mm, length is 50 ~ 100mm, can be 20 ~ 100mm by the height that lifting support adjusts.
6. electric furnace as claimed in claim 1 and its temperature control system are it is characterised in that temperature controller is to connect K thermocouple
Common digital display type temperature controller, its measurement with control temperature range be 0 ~ 500 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929025.9A CN106403618A (en) | 2016-10-31 | 2016-10-31 | Electric heating furnace and temperature control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929025.9A CN106403618A (en) | 2016-10-31 | 2016-10-31 | Electric heating furnace and temperature control system thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN106403618A true CN106403618A (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610929025.9A Pending CN106403618A (en) | 2016-10-31 | 2016-10-31 | Electric heating furnace and temperature control system thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607411A (en) * | 2017-10-26 | 2018-01-19 | 新疆大学 | A kind of high-temperature tensile testing machine |
| CN109719012A (en) * | 2019-03-20 | 2019-05-07 | 长飞光纤光缆股份有限公司 | A kind of automatic Alternative parameter roasting glue producing line |
| CN115308041A (en) * | 2022-07-15 | 2022-11-08 | 中国人民解放军空军工程大学 | Real-time rock direct tensile strength testing system in high-temperature environment and experimental method thereof |
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| CN101144767A (en) * | 2007-09-30 | 2008-03-19 | 武汉科技大学 | High-temperature electric furnace for detecting fire resistance of refractory material |
| CN202188760U (en) * | 2011-06-03 | 2012-04-11 | 南京科润工业介质有限公司 | Portable heating furnace of radiating characteristic tester |
| CN103984374A (en) * | 2014-05-21 | 2014-08-13 | 中国原子能科学研究院 | High temperature system for small punch test method |
| JP2014232577A (en) * | 2013-05-28 | 2014-12-11 | 光洋サーモシステム株式会社 | Thermal treatment device |
| CN105891033A (en) * | 2016-06-02 | 2016-08-24 | 河北钢铁股份有限公司 | Durometer for measuring variable-temperature hardness of metal material |
| CN206626965U (en) * | 2016-10-31 | 2017-11-10 | 芜湖职业技术学院 | A kind of electric furnace and its temperature control system |
-
2016
- 2016-10-31 CN CN201610929025.9A patent/CN106403618A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144767A (en) * | 2007-09-30 | 2008-03-19 | 武汉科技大学 | High-temperature electric furnace for detecting fire resistance of refractory material |
| CN202188760U (en) * | 2011-06-03 | 2012-04-11 | 南京科润工业介质有限公司 | Portable heating furnace of radiating characteristic tester |
| JP2014232577A (en) * | 2013-05-28 | 2014-12-11 | 光洋サーモシステム株式会社 | Thermal treatment device |
| CN103984374A (en) * | 2014-05-21 | 2014-08-13 | 中国原子能科学研究院 | High temperature system for small punch test method |
| CN105891033A (en) * | 2016-06-02 | 2016-08-24 | 河北钢铁股份有限公司 | Durometer for measuring variable-temperature hardness of metal material |
| CN206626965U (en) * | 2016-10-31 | 2017-11-10 | 芜湖职业技术学院 | A kind of electric furnace and its temperature control system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607411A (en) * | 2017-10-26 | 2018-01-19 | 新疆大学 | A kind of high-temperature tensile testing machine |
| CN109719012A (en) * | 2019-03-20 | 2019-05-07 | 长飞光纤光缆股份有限公司 | A kind of automatic Alternative parameter roasting glue producing line |
| CN109719012B (en) * | 2019-03-20 | 2021-12-14 | 长飞光纤光缆股份有限公司 | Automatic multi-process-parameter glue baking production line |
| CN115308041A (en) * | 2022-07-15 | 2022-11-08 | 中国人民解放军空军工程大学 | Real-time rock direct tensile strength testing system in high-temperature environment and experimental method thereof |
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Application publication date: 20170215 |
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