CN102865742A - Van type multifunctional experimental resistance furnace for material thermogravimetric analysis - Google Patents
Van type multifunctional experimental resistance furnace for material thermogravimetric analysis Download PDFInfo
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- CN102865742A CN102865742A CN2012103725884A CN201210372588A CN102865742A CN 102865742 A CN102865742 A CN 102865742A CN 2012103725884 A CN2012103725884 A CN 2012103725884A CN 201210372588 A CN201210372588 A CN 201210372588A CN 102865742 A CN102865742 A CN 102865742A
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Abstract
The invention aims to provide a van type multifunctional experimental resistance furnace for material thermogravimetric analysis which is economical and practical. The van type multifunctional experimental resistance furnace has heating functions of a common electric furnace and can analyze the quality change of a sample under multi-stage thermal treatment process conditions in real time. By adoption of the technical scheme, the van type multifunctional experimental resistance furnace for material thermogravimetric analysis comprises a hearth, an electronic analytical balance, a temperature controller and a computer, wherein a temperature measuring thermocouple and a fire-resistant container used for accommodating a sample to be analyzed are arranged in the hearth; the fire-resistant container is arranged on an upper base plate; the electronic analytical balance is arranged outside the hearth; a lower base plate is arranged on the electronic analytical balance and is connected with the upper base plate through a supporting rod; the computer is simultaneously connected with the electronic analytical balance and the temperature controller; and the temperature controller is electrically connected with the temperature measuring thermocouple.
Description
Technical field
The present invention relates to the resistance furnace technical field, be specifically related to a kind of Multifunctional van-type experimental resistance furnace for the material thermogravimetric analysis.
Background technology
Experimental electric furnace is widely used in all kinds of laboratories such as material, metallurgy, chemistry and chemical industry, biology, medical science, the heat treatment processes such as drying, calcining, the solid phase that is mainly used in material synthesized, crystallization.
In some experimentations, often need to understand the qualitative change of sample after different temperatures or time heat treatment, thereby disclose the Changing Pattern of material in heat treatment process.Present way is the quality of getting respectively first each sample, then each sample is heat-treated by the temperature and time system of setting respectively, when then waiting sample to be cooled to room temperature fully, the quality that claims again sample, by comparing the quality of calculation sample heat treatment front and back, can draw the mass change situation of each sample under corresponding heat-treat condition.The a lot of samples of such process need are wanted many experiments simultaneously, and are both time-consuming, and a large amount of power consumptions are arranged.The more important thing is, if there are the phenomenons such as chemical reaction or the moisture absorption in sample in temperature-fall period, will be difficult to obtain the definite qualitative data of sample after the heat treatment.
Another kind of can Real-Time Monitoring sample laboratory facilities of mass change in being subjected to thermal process be to the sample thermogravimetric analysis, utilizes thermogravimetric analyzer (or differential thermal analyzer) but the mass change of real time record sample during from low temperature to high temperature.But the differential thermal view is expensive (not waiting from four or five ten thousand yuan to hundreds of thousands unit) not only, and there is following problem in the differential thermal analysis technology: the one,, amount of samples is few, only has tens milligrams, and when laboratory sample was very uneven, error very easily appearred in experimental result; The 2nd,, the differential thermal analysis technology can't arrange different speed intensifications and be incubated certain hour under a plurality of specified temps once analyzing of a sample in the experimentation, so its result also can't the changes in weight situation of reaction material under the specific heat treatment process conditions.
Summary of the invention
The present invention aims to provide a kind of economical and practical Multifunctional van-type experimental resistance furnace that is used for the material thermogravimetric analysis, not only has the functions such as heating of common electric furnace, and can the mass change of real-time analysis sample under the multistage heat treatment condition.
To achieve these goals, the present invention is by the following technical solutions:
A kind of Multifunctional van-type experimental resistance furnace for the material thermogravimetric analysis comprises burner hearth, electronic analytical balance, temperature controller and computer; Be provided with temperature thermocouple in the burner hearth and be used for the refractory container of splendid attire sample to be analyzed, this refractory container is placed on the upper padding plate; Electronic analytical balance is arranged on outside the burner hearth, is provided with lower bolster on the electronic analytical balance, and lower bolster links to each other with upper padding plate by support bar, and computer is connecting electronic assay balance and temperature controller simultaneously, and this temperature controller is electrically connected with temperature thermocouple.
Further, support bar is three, distribution triangular in shape.
Further, have the upper concave hole of distribution triangular in shape on the upper padding plate lower plane, have the lower shrinkage pool of distribution triangular in shape on the lower bolster on the plane, support bar one end inserts upper concave hole, and the other end passes burner hearth bottom and inserts lower shrinkage pool.
Further, simultaneously be provided with depression in the tile stove at the bottom of the burner hearth, this depression is consistent with the upper padding plate size shape, and has the support bar perforation, and the support bar penetration hole diameter is greater than the diameter of support bar.
Further, it also includes the atresia refractory slab, and this atresia refractory slab is consistent with the upper padding plate size shape.
Further, be provided with insulation baffle plate or thermal insulation layer on the electronic analytical balance.
Further, computer is PC, communicates by the RS485 bus between temperature controller and the PC, communicates by the RS232 bus between electronic analytical balance and the PC.
Further, upper padding plate and lower bolster material are aluminium oxide.
Further, the support bar material is aluminium oxide.
Beneficial effect of the present invention:
Can be per sample what, select with it supporting electronic analytical balance of range and precision; The maximum temperature that will heat is per sample selected heating element heater and the burner hearth material of resistance furnace; According to the Technology for Heating Processing requirement, temperature rate and thermostat temperature and the time of setting program control electric furnace, adopt 1 experiment of 1 duplicate samples, can obtain the weightless data of sample under Different Heat Treatment Conditions, data acquisition is by computer automatic execution, and is time saving and energy saving, energy-saving and cost-reducing; Equipment investment is few, and the absolute mass of specimen is large, and the relative error of test result is little, can reflect the general status of sample.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is that the lower bolster master looks schematic diagram.
Fig. 3 is the lower bolster schematic top plan view.
Fig. 4 is that the upper padding plate master looks schematic diagram.
Fig. 5 is electrical equipment principle schematic of the present invention.
Fig. 6 is brick structure schematic diagram at the bottom of the burner hearth.
Fig. 7 is A-A cross-sectional schematic among Fig. 6.
Fig. 8 is brick bonding state schematic diagram at the bottom of atresia refractory slab and the burner hearth.
Among the figure 1, temperature thermocouple, 2, refractory container, 3, upper padding plate, 4, support bar, 5, lower bolster, 6, electronic analytical balance, 7, controller, 8, computer, 9, thermal insulation layer, 10, lower shrinkage pool, 11, upper concave hole, 12, burner hearth, 13, depression, 14, brick at the bottom of the burner hearth, 15, support bar perforation, 16, the atresia refractory slab.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further details, so that those skilled in the art better understand the present invention.
With reference to the accompanying drawings 1, a kind of Multifunctional van-type experimental resistance furnace for the material thermogravimetric analysis comprises burner hearth, electronic analytical balance 6, temperature controller 7 and computer 8; Be provided with the temperature thermocouple 1 that heats for sample and the refractory container 2 that is used for splendid attire sample to be analyzed in the burner hearth, this refractory container 2 is placed on the upper padding plate 3; Electronic analytical balance 6 is arranged on outside the burner hearth 12, be provided with lower bolster 5 on the electronic analytical balance 6, lower bolster 5 links to each other by support bar 4 upper padding plates 3, and computer 8 is connecting electronic assay balance 6 and temperature controller 7 simultaneously, and this temperature controller 7 is electrically connected with temperature thermocouple 1.
1 support bar 4 is three with reference to the accompanying drawings, distribution triangular in shape.Have with reference to the accompanying drawings the upper concave hole 11 of distribution triangular in shape on 4 upper padding plates, 3 lower planes, have with reference to the accompanying drawings the lower shrinkage pool 10 of distribution triangular in shape on 2,3 lower bolsters 5 on the plane, support bar 4 one ends insert upper concave hole 11, and the other end passes burner hearth bottom and inserts lower shrinkage pool 10.
With reference to the accompanying drawings at the bottom of 6,7 burner hearths in brick 14 stoves one side be provided with depression 13, this depression 13 is consistent with the upper padding plate size shape, and has support bar and bore a hole 15, the support bar diameter of 15 diameters greater than support bar 4 of boring a hole.With reference to the accompanying drawings 8, the present invention also includes atresia refractory slab 16, and this atresia refractory slab 16 is consistent with upper padding plate 3 size shapes, support bar perforation 15 outwards heat radiations when preventing from using as the conventional, electric-resistance stove.
Be provided with reference to the accompanying drawings insulation baffle plate or thermal insulation layer 9 on 1 electronic analytical balance 6, reduce the body of heater heat radiation to the impact of electronic analytical balance 6.
In the embodiment of the invention, upper padding plate 3 and lower bolster 5 materials are aluminium oxide, and support bar 4 materials are aluminium oxide.
With reference to the accompanying drawings 5, computer is PC, communicates by the RS485 bus between temperature controller and the PC, communicates by the RS232 bus between electronic analytical balance and the PC.Wherein temperature controller carries out the detection of refractory container 2 environment temperatures of living in, automatically control according to temperature value and the programming rate set, simultaneously temperature data is sent to the PC main frame by the RS485 communication mode, and can receives the data such as the desired temperature that sends from the PC main frame and programming rate; The qualitative data that electronic analytical balance records is sent to the PC main frame by the RS232 communication mode.Operational communications software on the PC main frame, can be simultaneously with from the data acquisition of temperature controller and electronic analytical balance in the PC main frame, the line translation of going forward side by side, demonstration and record.
Carry out the certainty of measurement class of electronic analytical balance, the setting of display mode at the display of PC, and show in real time and record temperature and qualitative data according to the certainty of measurement of setting and display mode.Can carry out desired temperature and the isoparametric setting of programming rate, and be sent to digital temperature control.Can measure the quality of refractory container 2 when not placing material, the Reference mass when measuring as quality of material, and then the clean quality of record and demonstration refractory container 2 interior materials.
In the practice, each device is selected as follows:
Above embodiment only is used for illustrating that technical scheme of the present invention is not intended to limit; under the field personnel should make amendment or the part technical characterictic is equal to replacement with reference to concrete mode of the present invention, above-mentioned change or be equal to replacement and should belong in the technical scheme scope that the present invention asks for protection.
Claims (9)
1. a Multifunctional van-type experimental resistance furnace that is used for the material thermogravimetric analysis is characterized in that: comprise burner hearth, electronic analytical balance, temperature controller and computer; Be provided with temperature thermocouple in the burner hearth and be used for the refractory container of splendid attire sample to be analyzed, this refractory container is placed on the upper padding plate; Electronic analytical balance is arranged on outside the burner hearth, is provided with lower bolster on the electronic analytical balance, and lower bolster links to each other with upper padding plate by support bar, and computer is connecting electronic assay balance and temperature controller simultaneously, and this temperature controller is electrically connected with temperature thermocouple.
2. described Multifunctional van-type experimental resistance furnace for the material thermogravimetric analysis according to claim 1, it is characterized in that: support bar is three, distribution triangular in shape.
3. described Multifunctional van-type experimental resistance furnace for the material thermogravimetric analysis according to claim 2, it is characterized in that: the upper concave hole that has distribution triangular in shape on the upper padding plate lower plane, have the lower shrinkage pool of distribution triangular in shape on the lower bolster on the plane, support bar one end inserts upper concave hole, and the other end passes burner hearth bottom and inserts lower shrinkage pool.
4. described Multifunctional van-type experimental resistance furnace for the material thermogravimetric analysis according to claim 1, it is characterized in that: simultaneously be provided with depression at the bottom of the burner hearth in the tile stove, this depression is consistent with the upper padding plate size shape, and has the support bar perforation, and the support bar penetration hole diameter is greater than the diameter of support bar.
5. described Multifunctional van-type experimental resistance furnace for the material thermogravimetric analysis according to claim 4, it is characterized in that: it also includes the atresia refractory slab, and this atresia refractory slab is consistent with the upper padding plate size shape.
6. described Multifunctional van-type experimental resistance furnace for the material thermogravimetric analysis according to claim 1 is characterized in that: be provided with insulation baffle plate or thermal insulation layer on the electronic analytical balance.
7. described Multifunctional van-type experimental resistance furnace for the material thermogravimetric analysis according to claim 1, it is characterized in that: computer is PC, communicate by the RS485 bus between temperature controller and the PC, communicate by the RS232 bus between electronic analytical balance and the PC.
8. according to claim 1 to the described Multifunctional van-type experimental resistance furnace for the material thermogravimetric analysis of 7 any one, it is characterized in that: upper padding plate and lower bolster material are aluminium oxide.
9. according to claim 1 to the described Multifunctional van-type experimental resistance furnace for the material thermogravimetric analysis of 7 any one, it is characterized in that: the support bar material is aluminium oxide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103725884A CN102865742A (en) | 2012-09-29 | 2012-09-29 | Van type multifunctional experimental resistance furnace for material thermogravimetric analysis |
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| CN2012103725884A CN102865742A (en) | 2012-09-29 | 2012-09-29 | Van type multifunctional experimental resistance furnace for material thermogravimetric analysis |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089477A (en) * | 2014-07-17 | 2014-10-08 | 济南大学 | Thermogravimetric analysis furnace |
| CN104597263A (en) * | 2015-01-06 | 2015-05-06 | 徐州泰瑞仪器设备有限公司 | Special automatic industrial analyzer for coal quality and determination method |
| CN106198301A (en) * | 2016-07-13 | 2016-12-07 | 辽宁科技大学 | A kind of method and device formulating castable refractory baking regime |
Citations (3)
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| JP3008130B2 (en) * | 1990-11-29 | 2000-02-14 | セイコーインスツルメンツ株式会社 | Thermal analyzer |
| CN202304404U (en) * | 2011-10-12 | 2012-07-04 | 南京大展机电技术研究所 | Low-temperature furnace body structure of thermal analyzer |
| CN202792965U (en) * | 2012-09-29 | 2013-03-13 | 济南大学 | Compartment type multifunctional experimental resistance furnace used for material thermogravimetric analysis |
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2012
- 2012-09-29 CN CN2012103725884A patent/CN102865742A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3008130B2 (en) * | 1990-11-29 | 2000-02-14 | セイコーインスツルメンツ株式会社 | Thermal analyzer |
| CN202304404U (en) * | 2011-10-12 | 2012-07-04 | 南京大展机电技术研究所 | Low-temperature furnace body structure of thermal analyzer |
| CN202792965U (en) * | 2012-09-29 | 2013-03-13 | 济南大学 | Compartment type multifunctional experimental resistance furnace used for material thermogravimetric analysis |
Non-Patent Citations (1)
| Title |
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| 苏俊林等: "玉米秸秆颗粒燃料的热工特性", 《吉林大学学报（工学版）》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089477A (en) * | 2014-07-17 | 2014-10-08 | 济南大学 | Thermogravimetric analysis furnace |
| CN104597263A (en) * | 2015-01-06 | 2015-05-06 | 徐州泰瑞仪器设备有限公司 | Special automatic industrial analyzer for coal quality and determination method |
| CN106198301A (en) * | 2016-07-13 | 2016-12-07 | 辽宁科技大学 | A kind of method and device formulating castable refractory baking regime |
| CN106198301B (en) * | 2016-07-13 | 2019-10-01 | 辽宁科技大学 | A kind of method and device for formulating castable refractory baking regime |
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Application publication date: 20130109 |