CN108507900A - A kind of thermal analyzer and its control method - Google Patents
A kind of thermal analyzer and its control method Download PDFInfo
- Publication number
- CN108507900A CN108507900A CN201810611100.6A CN201810611100A CN108507900A CN 108507900 A CN108507900 A CN 108507900A CN 201810611100 A CN201810611100 A CN 201810611100A CN 108507900 A CN108507900 A CN 108507900A
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- China
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- furnace body
- sample
- sample holder
- furnace
- cupola well
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/02—Furnaces of a kind not covered by any preceding group specially designed for laboratory use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Clinical Laboratory Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a kind of thermal analyzer and its control methods, including workbench, workbench upper end is equipped with furnace body and touch screen, the furnace body includes furnace body shell, furnace core, furnace body driving device, the furnace body driving device is fixed on the table, the furnace body shell is mounted in furnace body driving device, the furnace core is fixed on the inside of furnace body shell, the workbench upper surface is equipped with furnace body mounting hole and furnace body fixing bracket, sample holder is equipped in the furnace body mounting hole, the sample holder lower end is inserted into displacement sensor, sample holder is also connected with power generating means by bindiny mechanism, power generating means connects standard test weight plug-in unit, the top of the sample holder is frame-type structure, frame-type structure is popped one's head in equipped with sample temperature, fixing bracket and in-furnace temperature probe.Simple in structure present invention is disclosed a kind of thermal analyzer, practicability is high, and the data accuracy detected is high, convenient for the quality of analysis sample and the variation of temperature and time.
Description
Technical field
The invention belongs to apparatus for thermal analysis, and in particular to a kind of thermal analyzer and its control method.
Background technology
The development of nearly half a century, high molecular polymer are advanced by leaps and bounds, and many metal products and component are by macromolecule
Polymer is substituted, and in addition to industrial applications, high polymer is also applied to biomedical engineering, the various biological function tracheaes of manufacture,
With synthesis of polymer material industrial expansion, the demand to high polymer is increasing, for the high molecular polymerization of development of new
The quality and performance of object and control high polymer, measure melting temperature, glass transition temperature, mixture and the copolymer of high polymer
Composition, thermal history and crystallinity etc. be indispensable；Existing thermal analyzer be only applicable to the product of certain shape into
Row heat analysis, and there are portions for the temperature and sample position temperature that detection temperature is normally mounted on inner wall, but measures in stove
Divide the temperature difference, influences the accuracy of data.
Invention content
Goal of the invention：The purpose of the present invention is to solve deficiencies in the prior art, provide a kind of thermal analyzer, including
The upper end of workbench, workbench is equipped with furnace body and touch screen, and the furnace body includes furnace body shell, furnace core, furnace body driving device, institute
It states furnace body driving device to fix on the table, the furnace body shell is mounted in furnace body driving device, and the furnace core is fixed on
The inside of furnace body shell, the furnace core include：It is export pipeline, upper flange, heater, insulating layer, internal cupola well, cooling tube, outer
Portion's cupola well, lower flange, the export pipeline are connect with upper flange, and the upper flange lower end is equipped with external cupola well, the outside
Internal cupola well is installed in cupola well, cooling tube is equipped among the external cupola well and internal cupola well, the internal hearth wall connects
Be connected to insulating layer, the insulating layer is internally provided with heater, the heater be fixed by insulating sleeve on boiler tube it is multiple
Heating element forms, and the lower flange is mounted on the lower end of external cupola well, and the lower flange center is equipped with through-hole；
The workbench upper surface is equipped with furnace body mounting hole and furnace body fixing bracket, and sample branch is equipped in the furnace body mounting hole
Frame, the sample holder lower end are inserted into displacement sensor, and sample holder is also connected with power generating means by bindiny mechanism, institute
Power generating means upper end connection standard test weight plug-in unit is stated, the top of the sample holder is frame-type structure, is internally provided with sample
Temp probe and fixing bracket, the frame-type structure top end in the sample holder are popped one's head in equipped with in-furnace temperature.
Preferably, set supply air line and cooling line on the workbench with the installation place of furnace body, the supply air line with
Required gas device is connected, and is passed through required gas into furnace chamber, the cooling tube by cooling line with it is quick outside device
Cooling device is connected, and the cooling device is passed through refrigerant into cooling device.
Preferably, the heating component is externally wrapped with platinum/rhodium line by ceramic boiler tube and forms.
Preferably, furnace body mounting hole upper end is equipped with height adjustment device.
Preferably, it is additionally provided with control device in device, the operation for collection analysis data and control device.
A kind of control method of thermal analyzer makes the sample temperature on sample holder by the way that sample to be fixed to sample holder
The surface for spending probe contacts sample, sample holder lower end is inserted into displacement sensor, sample holder also passes through bindiny mechanism
Also it is connected with power generating means, the upper end of power generating means is connected with standard test weight plug-in unit, and furnace body is sleeved on sample holder,
Make in the furnace body mounting hole of furnace body installation on the table, sample holder is placed in furnace interior, passes through the height tune on mounting hole
Furnace body can be adjusted in regulating device, so that the frame-type structure of sample holder upper end is placed in the best heating location of furnace body, pass through hand
Dynamic supporting rod protects furnace body, prevents from shaking, and when device works, by being put into standard test weight on standard test weight plug-in unit, uses
Record is detected with the variation relation of temperature and time and data transmission is arrived by treated in the quality of measurement sample
On touch screen, testee is contacted by the temp probe on sample holder, convenient for the temperature of monitoring sample in real time, works as detected sample
When product have distillation, vaporize, decomposite gas or lose the crystallization water during heating, tested sample quality will become
Change, the data that records that treated in real time by displacement sensor, which are processed into chart and are sent on touch screen, to be shown, is formed and is moved
The thermogravimetric curve chart of state show that measured matter generates variation in real time temperature, and according to mistake by analyzing thermogravimetric curve
Weight can calculate how many substance lost, and the substance being vaporized will pass through the export pipeline and gas analyzer of furnace core upper end
It is connected and is further analyzed.Advantageous effect：Present invention is disclosed a kind of thermal analyzer, insulation is equipped in furnace body into guarantee
Temperature in stove, furnace body are set there are two cupola well, and two cupola wells centres are equipped with cooling tube, reduce the temperature outside furnace body, prevent from scalding
Wound is equipped with frame-type structure by sample holder, is applicable in the fixation of various products shape, realizes the practicability of thermal analyzer, leads to
Sample holder lower end is crossed respectively to be connected with displacement sensor and forcer device, improve sample analysis when required precision and
Convenience, the present apparatus is simple in structure, and practicability is high, and the data accuracy detected is high, convenient for the quality and temperature of analysis sample
With the variation of time.
Description of the drawings
Fig. 1 is the installation drawing of invention；
Fig. 2 is the sectional view of invention；
Fig. 3 is the stove core structure figure of invention；
1, workbench 2, furnace body 3, furnace body driving device 4, touch screen 5, furnace core 51, export pipeline 52, upper flange 53,
Heater 54, insulating layer 55, internal cupola well 56, cooling tube 57, external cupola well 58, lower flange 6, sample holder 61, sample
Temp probe 62, in-furnace temperature probe 7, displacement sensor 8, power generating means 9, standard test weight plug-in unit 10, height are adjusted
Device 11, fixing bracket 12, furnace body shell.
Specific implementation mode
As shown in Figs. 1-3, the upper end of a kind of thermal analyzer, including workbench 1, workbench 1 is equipped with furnace body 2 and touch screen 4,
The furnace body 2 includes furnace body shell, furnace core 12, furnace body driving device 3, and the furnace body driving device 3 is fixed on workbench 1,
The furnace body shell 12 is mounted in furnace body driving device 1, and the furnace core 5 is fixed on the inside of furnace body shell 12,
The furnace core 5 includes：Export pipeline 51, upper flange 52, heater 53, insulating layer 54, internal cupola well 55, cooling tube 56,
External cupola well 57, lower flange 58, the export pipeline 51 are connect with upper flange 52, and 52 lower end of the upper flange is equipped with external stove
Cylinder 57 is equipped with internal cupola well 55 in the external cupola well 57, cooling is equipped among the external cupola well 57 and internal cupola well 55
Pipe 56, internal 55 inner wall of cupola well are connected with insulating layer 54, and the insulating layer 54 is internally provided with heater 53, the heating
Device 53 is to fix multiple heating elements by insulating sleeve on boiler tube to form, and the lower flange 52 is mounted under external cupola well 57
End, 58 center of the lower flange are equipped with through-hole；
1 upper surface of the workbench is equipped with 2 mounting hole of furnace body and furnace body fixing bracket 11, is equipped in 2 mounting hole of the furnace body
Sample holder 6,6 lower end of the sample holder are inserted into displacement sensor 7, and sample holder 6 is also occurred with power by bindiny mechanism
Device 8 is connected, and 8 upper end of the power generating means connection standard test weight plug-in unit 9, the top of the sample holder 6 is frame-type structure,
It is internally provided with sample temperature probe 61 and fixing bracket 11, the frame-type structure top end in the sample holder 6 is equipped with temperature in stove
Degree probe 62.
Supply air line and cooling line, the supply air line and required gas are set on the workbench 1 with the installation place of furnace body 2
Body device is connected, and required gas is passed through into furnace chamber, the cooling tube outside cooling line and device by being quickly cooled down dress
Set connected, the cooling device is passed through refrigerant into cooling device, and the heating component is externally wrapped with by ceramic boiler tube
Platinum/rhodium line composition；2 mounting hole upper end of the furnace body is equipped with height adjustment device 10；Control device is additionally provided in device, for adopting
The operation of set analysis data and control device.
A kind of control method of thermal analyzer makes the sample temperature on sample holder by the way that sample to be fixed to sample holder
The surface for spending probe contacts sample, sample holder lower end is inserted into displacement sensor, sample holder also passes through bindiny mechanism
Also it is connected with power generating means, the upper end of power generating means is connected with standard test weight plug-in unit, and furnace body is sleeved on sample holder,
Make in the furnace body mounting hole of furnace body installation on the table, sample holder is placed in furnace interior, passes through the height tune on mounting hole
Furnace body can be adjusted in regulating device, so that the frame-type structure of sample holder upper end is placed in the best heating location of furnace body, pass through hand
Dynamic supporting rod protects furnace body, prevents from shaking, and when device works, by being put into standard test weight on standard test weight plug-in unit, uses
Record is detected with the variation relation of temperature and time and data transmission is arrived by treated in the quality of measurement sample
On touch screen, testee is contacted by the temp probe on sample holder, convenient for the temperature of monitoring sample in real time, works as detected sample
When product have distillation, vaporize, decomposite gas or lose the crystallization water during heating, tested sample quality will become
Change, the data that records that treated in real time by displacement sensor, which are processed into chart and are sent on touch screen, to be shown, is formed and is moved
The thermogravimetric curve chart of state show that measured matter generates variation in real time temperature, and according to mistake by analyzing thermogravimetric curve
Weight can calculate how many substance lost, and the substance being vaporized will pass through the export pipeline and gas analyzer of furnace core upper end
It is connected and is further analyzed.In conclusion being equipped with insulation in furnace body at ensureing that the temperature in stove, furnace body are set there are two stove
Cylinder, two cupola wells centres are equipped with cooling tube, reduce the temperature outside furnace body, prevent from scalding, and frame-type knot is equipped with by sample holder
Structure is applicable in the fixation of various products shape, realizes the practicability of thermal analyzer, is passed respectively with displacement by sample holder lower end
Sensor is connected with forcer device, by above-mentioned control method, improves required precision and convenience of the sample in analysis.
It should be noted that the gas device and quickly cooling device are the prior art, then this is not illustrated.
The above is the preferred embodiment of the present invention, and the interest field of the present invention cannot be limited with this.It should refer to
Go out, for those skilled in the art, technical scheme of the present invention is modified or replaced equivalently, all
Protection scope of the present invention is not departed from.
Claims (6)
1. the upper end of a kind of thermal analyzer, including workbench, workbench is equipped with furnace body and touch screen, it is characterised in that：The stove
Body includes furnace body shell, furnace core, furnace body driving device, and the furnace body driving device is fixed on the table, the furnace body shell
In furnace body driving device, the furnace core is fixed on the inside of furnace body shell,
The furnace core includes：Export pipeline, upper flange, heater, insulating layer, internal cupola well, cooling tube, external cupola well, laxative remedy
Orchid, the export pipeline are connect with upper flange, and the upper flange lower end is equipped with external cupola well, is equipped in the external cupola well
Internal cupola well, the external cupola well and internal cupola well centre are equipped with cooling tube, and the internal hearth wall is connected with insulating layer, institute
The heater that is internally provided with of insulating layer is stated, the heater is to fix multiple heating elements by insulating sleeve on boiler tube to form,
The lower flange is mounted on the lower end of external cupola well, and the lower flange center is equipped with through-hole；
The workbench upper surface is equipped with furnace body mounting hole and furnace body fixing bracket, and sample branch is equipped in the furnace body mounting hole
Frame, the sample holder lower end are inserted into displacement sensor, and sample holder is also connected with power generating means by bindiny mechanism, institute
Power generating means upper end connection standard test weight plug-in unit is stated, the top of the sample holder is frame-type structure, and frame-type inside configuration is set
There are sample temperature probe and fixing bracket, the frame-type structure top end in the sample holder to pop one's head in equipped with in-furnace temperature.
2. a kind of thermal analyzer according to claim 1, it is characterised in that：It is set with the installation place of furnace body on the workbench
Supply air line and cooling line, the supply air line are connected with required gas device, and required gas is passed through into furnace chamber, described cold
But pipe is connected by cooling line with the quickly cooling device outside device, and the cooling device is passed through refrigeration into cooling device
Agent.
3. a kind of thermal analyzer according to claim 1, it is characterised in that：The heating component be by ceramic boiler tube outside
Portion winds platinum/rhodium line composition.
4. a kind of thermal analyzer according to claim 1, it is characterised in that：Furnace body mounting hole upper end is equipped with height and adjusts
Regulating device.
5. a kind of thermal analyzer according to claim 1, it is characterised in that：Control device is additionally provided in device, for adopting
The operation of set analysis data and control device.
6. a kind of control method of thermal analyzer, it is characterised in that：By the way that sample to be fixed to sample holder, make on sample holder
Sample temperature probe contacts sample surface, sample holder lower end is inserted into displacement sensor, sample holder also passes through
Bindiny mechanism is also connected with power generating means, and the upper end of power generating means is connected with standard test weight plug-in unit, and furnace body is sleeved on sample
On product holder, make in the furnace body mounting hole of furnace body installation on the table, sample holder is placed in furnace interior, by mounting hole
Height adjustment device, furnace body can be adjusted, so that the frame-type structure of sample holder upper end is placed in furnace body and most preferably heat position
It sets, furnace body is protected by manual support bar, prevent from shaking, when device works, by being put into mark on standard test weight plug-in unit
Quasi- counterweight, for measurement sample quality with the variation relation of temperature and time be detected record and will treated number
According to being transferred on touch screen, testee is contacted by the temp probe on sample holder, convenient for monitoring the temperature of sample in real time,
When sample have during heating distillation, vaporize, decomposite gas or lose the crystallization water when, tested sample quality will
It changing, the data that record that treated in real time by displacement sensor, which are processed into chart and are sent on touch screen, to be shown,
Dynamic thermogravimetric curve chart is formed, by analysis thermogravimetric curve, show that measured matter generates variation in real time temperature, and
According to weight loss, can calculate how many substance lost, the substance being vaporized will pass through the export pipeline and gas of furnace core upper end
Analyzer, which is connected, to be further analyzed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611100.6A CN108507900A (en) | 2018-06-14 | 2018-06-14 | A kind of thermal analyzer and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611100.6A CN108507900A (en) | 2018-06-14 | 2018-06-14 | A kind of thermal analyzer and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108507900A true CN108507900A (en) | 2018-09-07 |
Family
ID=63403457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810611100.6A Pending CN108507900A (en) | 2018-06-14 | 2018-06-14 | A kind of thermal analyzer and its control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108507900A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057855A (en) * | 2019-04-30 | 2019-07-26 | 内蒙古科技大学 | Eliminate the device that environmental fluctuating influences simultaneous thermal analysis curve |
| CN111912230A (en) * | 2019-05-07 | 2020-11-10 | 中国科学院上海硅酸盐研究所 | Tubular furnace body for thermal analyzer |
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| US5356217A (en) * | 1992-12-04 | 1994-10-18 | The Edward Orton, Jr. Ceramic Foundation | Enthalpimetric analyzer and method of use |
| EP1120645A2 (en) * | 2000-01-27 | 2001-08-01 | Ngk Spark Plug Co., Ltd. | Gas sensor |
| CN101308105A (en) * | 2007-05-16 | 2008-11-19 | 北京有色金属研究总院 | Rare-earth magnesium alloy solidification process thermal analysis device |
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| CN103267777A (en) * | 2013-06-07 | 2013-08-28 | 上海天美科学仪器有限公司 | Heat type differential scanning calorimeter |
| CN106153487A (en) * | 2014-11-18 | 2016-11-23 | 北京林业大学 | A kind of novel Thermgravimetric Analysis Apparatus |
| CN206321592U (en) * | 2016-12-23 | 2017-07-11 | 国联汽车动力电池研究院有限责任公司 | A kind of differential thermal analysis device for high temperature strong corrosion fused salt |
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2018
- 2018-06-14 CN CN201810611100.6A patent/CN108507900A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| US5356217A (en) * | 1992-12-04 | 1994-10-18 | The Edward Orton, Jr. Ceramic Foundation | Enthalpimetric analyzer and method of use |
| EP1120645A2 (en) * | 2000-01-27 | 2001-08-01 | Ngk Spark Plug Co., Ltd. | Gas sensor |
| CN101308105A (en) * | 2007-05-16 | 2008-11-19 | 北京有色金属研究总院 | Rare-earth magnesium alloy solidification process thermal analysis device |
| CN201425582Y (en) * | 2009-03-26 | 2010-03-17 | 上海大学 | Differential thermal analysis device of intense magnetic field |
| CN103267777A (en) * | 2013-06-07 | 2013-08-28 | 上海天美科学仪器有限公司 | Heat type differential scanning calorimeter |
| CN106153487A (en) * | 2014-11-18 | 2016-11-23 | 北京林业大学 | A kind of novel Thermgravimetric Analysis Apparatus |
| CN206321592U (en) * | 2016-12-23 | 2017-07-11 | 国联汽车动力电池研究院有限责任公司 | A kind of differential thermal analysis device for high temperature strong corrosion fused salt |
Non-Patent Citations (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057855A (en) * | 2019-04-30 | 2019-07-26 | 内蒙古科技大学 | Eliminate the device that environmental fluctuating influences simultaneous thermal analysis curve |
| CN111912230A (en) * | 2019-05-07 | 2020-11-10 | 中国科学院上海硅酸盐研究所 | Tubular furnace body for thermal analyzer |
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Application publication date: 20180907 |