CN211402207U - Heating device for differential thermal analysis rapid test for chemistry teaching - Google Patents
Heating device for differential thermal analysis rapid test for chemistry teaching Download PDFInfo
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- CN211402207U CN211402207U CN201922315005.4U CN201922315005U CN211402207U CN 211402207 U CN211402207 U CN 211402207U CN 201922315005 U CN201922315005 U CN 201922315005U CN 211402207 U CN211402207 U CN 211402207U
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- thermal analysis
- differential thermal
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- heating device
- cooling system
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Abstract
A heating device for differential thermal analysis rapid test for chemistry teaching belongs to the field of chemistry teaching experimental equipment. The utility model discloses a base, the base on install resistance wire heating member, asbestos heat retainer, heating furnace insulator, stainless steel overcoat from inside to outside, the top joint of stainless steel overcoat have air cooling system connection seat, air cooling system connection seat pass through bolt fixed connection fan, air intake guard net, the air intake guard net set up fan upper end, fan lower extreme central point put and be connected with the temperature thermocouple, air cooling system connection seat top connect the heating furnace top cap, the fan with the thermocouple pass through wire connection electrical source controller, electrical source controller on be provided with LCD. The utility model discloses can accelerate the progress of experiment, can carry out the experiment of many times at limited teaching course in-process for the more abundant understanding experimentation of student.
Description
Technical Field
The utility model belongs to chemistry teaching experimental device field, concretely relates to chemistry teaching is with heating device for differential thermal analysis short-term test.
Background
Differential thermal analysis is an important thermal analysis method, and refers to a test technology for measuring the relationship between the temperature difference of a substance and a reference substance and the temperature or time under the programmed temperature control. The method is widely applied to measuring the characteristic temperature and the absorbed or released heat of the substance during the thermal reaction, including physical or chemical reactions such as substance phase change, decomposition, combination, solidification, dehydration, evaporation and the like; the device is widely applied to the fields of inorganic, silicate, ceramics, mineral metals, aerospace temperature-resistant materials and the like, and is an important instrument for thermal analysis in the aspects of inorganic, organic, particularly high molecular polymer, glass fiber reinforced plastics and the like. At present, the differential thermal analysis method and modern various research methods are used together and complement each other, and become one of the most common methods in material research.
The main problem in the differential thermal analysis experiment process is that the single measurement time is long, and particularly, the invalid experiment time in the temperature reduction process of the instrument after temperature rise is too long, so that the test efficiency is reduced.
Disclosure of Invention
The utility model aims at providing a chemistry teaching is with heating device is used in differential thermal analysis short-term test.
The utility model discloses a following technical scheme realizes:
the utility model provides a chemistry teaching is with heating device is used in quick test of differential thermal analysis which characterized in that: chemistry teaching is with heating device for differential thermal analysis rapid test include the base, the base on install resistance wire heating member, asbestos heat retainer, heating furnace insulator, stainless steel overcoat from inside to outside, the top joint of stainless steel overcoat have air-cooled system connecting seat, air-cooled system connecting seat pass through bolt fixed connection fan, air intake protection network, the air intake protection network set up fan upper end, fan lower extreme central point put and be connected with the temperature thermocouple, air-cooled system connecting seat top connect the heating furnace top cap, the fan with the thermocouple pass through wire connection electrical source controller, electrical source controller on be provided with LCD.
A chemistry teaching is with differential thermal analysis heating device for short-term test, the base on install the lifter.
A chemistry teaching is with heating device for differential thermal analysis short-term test, furnace body fixing bolt fixed connection the heating furnace insulator with the stainless steel overcoat.
A chemistry teaching is with heating device for differential thermal analysis short-term test, the interior edge of forced air cooling connecting seat on be provided with the through-hole, the interior edge thickness 0.5 ~ 1cm of forced air cooling connecting seat.
A chemistry teaching is with heating device for differential thermal analysis rapid test, the rotation rate and the revolution time of electrical source controller control fan, the LCD screen shanghai of electrical source controller can show that a chemistry teaching is with the inside temperature of heating device for differential thermal analysis rapid test that the temperature thermocouple measured.
A chemistry teaching is with heating device for differential thermal analysis short-term test, the model of power supply controller is AI-3500, the model of temperature thermocouple is TASI-8530.
A chemistry teaching is with heating device for differential thermal analysis is used test fast, rise to 350 ℃'s experiment to the temperature, utilize the air cooling system can be in 15 ~ 30min, cool down to 40 ~ 50 ℃, compare in ordinary differential thermal analysis test, the natural cooling process needs 1.5 ~ 2h, the utility model discloses can accelerate the progress of experiment, can carry out the experiment of many times at limited teaching course in-process for the more abundant understanding experimentation of student.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The first embodiment is as follows:
the utility model provides a chemistry teaching is with heating device is used in quick test of differential thermal analysis, chemistry teaching be with heating device is used in quick test of differential thermal analysis include base 1, the base on install resistance wire heating member 2, asbestos heat retainer 3, heating furnace insulator 4, stainless steel overcoat 5 from inside to outside, the top joint of stainless steel overcoat have air-cooled system connection seat 6, air-cooled system connection seat pass through bolt 8 fixed connection fan 7, air intake protection net 11, air intake protection net set up fan upper end, fan lower extreme central point put and be connected with temperature thermocouple 9, air-cooled system connection seat top connect heating furnace top cap 10, the fan with temperature thermocouple pass through wire connection electrical source controller 14, the electrical source controller on be provided with LCD 15.
The second embodiment is as follows:
according to a first specific embodiment, the heating device for differential thermal analysis rapid test for chemistry teaching is provided, wherein the base is provided with a lifting rod 12.
The third concrete implementation mode:
according to a first specific embodiment, in the heating device for the differential thermal analysis rapid test for the chemical teaching, a furnace body fixing bolt 13 is fixedly connected with the heating furnace heat insulator and the stainless steel outer sleeve.
The fourth concrete implementation mode:
according to a specific embodiment, the heating device for the differential thermal analysis rapid test for the chemical teaching is characterized in that a through hole is formed in the inner edge of the air cooling system connecting seat, and the thickness of the inner edge of the air cooling system connecting seat is 0.5-1 cm.
Claims (4)
1. The utility model provides a chemistry teaching is with heating device is used in quick test of differential thermal analysis which characterized in that: the heating device for the differential thermal analysis rapid test for the chemical teaching comprises a base (1), wherein a resistance wire heating body (2), an asbestos heat insulator (3), a heating furnace heat insulator (4) and a stainless steel outer sleeve (5) are arranged on the base (1) from inside to outside, an air cooling system connecting seat (6) is clamped at the top end of the stainless steel outer sleeve (5), the air cooling system connecting seat (6) is fixedly connected with a fan (7) and an air inlet protecting net (11) through bolts (8), the air inlet protecting net (11) is arranged at the upper end of the fan (7), a temperature thermocouple (9) is connected at the central position of the lower end of the fan (7), the top end of the air cooling system connecting seat (6) is connected with a heating furnace top cover (10), the fan (7) and the temperature thermocouple (9) are connected with a power controller (14) through a lead, and a liquid crystal display (15) is arranged on the power controller (14).
2. The heating device for differential thermal analysis rapid test for chemistry teaching as claimed in claim 1, wherein: the base (1) is provided with a lifting rod (12).
3. The heating device for differential thermal analysis rapid test for chemistry teaching as claimed in claim 1, wherein: the furnace body fixing bolt (13) is fixedly connected with the heating furnace heat insulator (4) and the stainless steel outer sleeve (5).
4. The heating device for differential thermal analysis rapid test for chemistry teaching as claimed in claim 1, wherein: the inner edge of the air cooling system connecting seat (6) is provided with a through hole, and the thickness of the inner edge of the air cooling system connecting seat (6) is 0.5-1 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922315005.4U CN211402207U (en) | 2019-12-21 | 2019-12-21 | Heating device for differential thermal analysis rapid test for chemistry teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922315005.4U CN211402207U (en) | 2019-12-21 | 2019-12-21 | Heating device for differential thermal analysis rapid test for chemistry teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211402207U true CN211402207U (en) | 2020-09-01 |
Family
ID=72212725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922315005.4U Expired - Fee Related CN211402207U (en) | 2019-12-21 | 2019-12-21 | Heating device for differential thermal analysis rapid test for chemistry teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211402207U (en) |
-
2019
- 2019-12-21 CN CN201922315005.4U patent/CN211402207U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20201221 |