CN217717382U - Differential thermal thermogravimetric analyzer by introducing water vapor - Google Patents
Differential thermal thermogravimetric analyzer by introducing water vapor Download PDFInfo
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- CN217717382U CN217717382U CN202221742200.0U CN202221742200U CN217717382U CN 217717382 U CN217717382 U CN 217717382U CN 202221742200 U CN202221742200 U CN 202221742200U CN 217717382 U CN217717382 U CN 217717382U
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- furnace body
- differential thermal
- protection tube
- water vapor
- body base
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 239000000919 ceramic Substances 0.000 claims abstract description 21
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 238000009833 condensation Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000892 gravimetry Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model provides a lead to steam differential heating thermogravimetric analyzer relates to thermogravimetric analyzer technical field, including the heating furnace body, the bottom of heating furnace body is provided with the furnace body base, be provided with ceramic protection tube on the furnace body base, the inside of furnace body base is provided with mechanical balance, be provided with the vapor entry on the heating furnace body, the vapor outlet has been seted up to one side of furnace body base. The utility model discloses, protective gas will contact with ceramic protection tube's inner wall, it will be in the same direction as ceramic protection tube's inner wall upward flow and discharge, thereby make, vapor can't flow to mechanical balance's inside from ceramic protection tube, this partial steam can only flow along ceramic protection tube's outer wall downwards, and produce the phenomenon of condensation, finally flow with the form of gas or liquid from the vapor outlet, it can't flow into mechanical balance's inside all the time, therefore, this instrument can accomplish the measurement to the difference heat weight of sample under the vapor condition.
Description
Technical Field
The utility model relates to a thermogravimetric analyzer technical field especially relates to water vapor differential heating thermogravimetric analyzer.
Background
The thermogravimetric analyzer is an instrument for detecting the change relation of the temperature and the mass of a substance by utilizing a thermogravimetric method, and the thermogravimetric method is used for measuring the change relation of the mass of the substance along with the temperature under the condition of program temperature control.
However, in the prior art, the existing bottom-loading differential thermal gravimetric analyzer cannot be communicated with water vapor, the bottom-loading differential thermal gravimetric analyzer can form a condensation phenomenon at a furnace body base part below a furnace body when the water vapor is communicated, the condensed water vapor can be converted into water, and therefore the water flows into a mechanical place below the furnace body base, the water can cause irreversible damage to the analyzer, and the existing bottom-loading differential thermal gravimetric analyzer cannot finish measurement of differential thermal gravimetric of a sample under the condition of water vapor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and exist among the prior art, lower ware formula differential heating thermogravimetric analyzer can not lead to into vapor, lower ware formula differential heating thermogravimetric analyzer can form the phenomenon of condensation at the furnace body base position of furnace body below when letting in vapor, vapor after the condensation will change into water to flow into the machinery sky punishment department of below, this part of water will cause irreversible damage to the instrument, and the unable measuring shortcoming to the differential heating thermogravimetric of sample under the current lower ware formula differential heating thermogravimetric analyzer completion vapor condition.
In order to achieve the above purpose, the utility model adopts the following technical scheme: lead to steam differential heating thermogravimetric analyzer, including the heating furnace body, the bottom of heating furnace body is provided with the furnace body base, be provided with ceramic protection tube on the furnace body base, the inside of furnace body base is provided with mechanical balance, be provided with the vapor entry on the heating furnace body, the vapor outlet has been seted up to one side of furnace body base.
As a preferred embodiment, a differential thermal weight support rod is arranged on the mechanical balance, and a bearing frame is connected to the top end of the differential thermal weight support rod.
The technical effect of adopting the further scheme is as follows: can provide stable connection fulcrum for differential heating weight bracing piece through accepting the frame, can play effectual accepting effect between differential heating weight bracing piece and other parts.
In a preferred embodiment, the differential thermal weight support rod is connected with a reference crucible through a receiving frame, and the differential thermal weight support rod is connected with a measuring crucible through the receiving frame.
The technical effect of adopting the further scheme is as follows: the differential thermal weight support rod can provide effective support for the reference crucible, so that the reference crucible is not easy to shift, and the measuring crucible is a cup-shaped vessel used in a laboratory and used for heating and measuring an object at a high temperature.
In a preferred embodiment, the measuring crucible and the reference crucible are at the same level.
The technical effect of adopting the further scheme is as follows: the experimental article can be safely heated at high temperature by the measuring crucible and the reference crucible.
In a preferred embodiment, the ceramic protection tube is located inside the furnace body.
The technical effect of adopting the further scheme is as follows: the water vapor flows downwards along the outer wall of the ceramic protection tube.
Compared with the prior art, the utility model has the advantages and positive effects that,
the utility model discloses in, when needing to let in vapor, at first vapor lets in from the vapor entry of heating furnace body top, let in the back, corresponding reaction takes place with the sample in heating furnace body's inside, and because mechanical balance has also let in protective gas, protective gas will contact with ceramic protection tube's inner wall, it will be in the same direction as ceramic protection tube's inner wall upflow and discharge, thereby make, vapor can't follow ceramic protection tube to mechanical balance's inside flow, this partial vapor only can flow downwards along ceramic protection tube's outer wall, and produce the phenomenon of condensation, finally flow with the form of gas or liquid from vapor outlet department, it can't flow into mechanical balance's inside all the time, consequently, this instrument can accomplish the measurement to the differential thermal weight of sample under the vapor condition.
Drawings
Fig. 1 is a schematic structural view of the differential thermal gravimetric analyzer with water vapor introduced.
Illustration of the drawings:
1. a heating furnace; 2. a furnace body base; 3. a mechanical balance; 4. differential thermal weight support bars; 5. a reference crucible; 6. measuring the crucible; 7. a water vapor inlet; 8. a water vapor outlet; 9. a ceramic protection tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the utility model provides a technical solution: lead to steam differential thermal gravimetry analysis appearance, including heating furnace body 1, heating furnace body 1's bottom is provided with furnace body base 2, be provided with ceramic protection tube 9 on the furnace body base 2, furnace body base 2's inside is provided with mechanical balance 3, be provided with vapor inlet 7 on the heating furnace body 1, vapor outlet 8 has been seted up to one side of furnace body base 2, be provided with differential thermal gravimetry bracing piece 4 on the mechanical balance 3, the top of differential thermal gravimetry bracing piece 4 is connected with the accepting frame, differential thermal gravimetry bracing piece 4 is connected with reference crucible 5 through the accepting frame, differential thermal gravimetry bracing piece 4 is connected with measurement crucible 6 through the accepting frame, measurement crucible 6 is in same horizontal plane with reference crucible 5, ceramic protection tube 9 is located heating furnace body 1's inside.
In this embodiment, when the water vapor needs to be introduced, the water vapor is firstly introduced from the water vapor inlet 7 above the heating furnace body 1, after the introduction, the reaction with the sample occurs inside the heating furnace body 1, and since the mechanical balance 3 is also introduced with the protective gas (including carbon dioxide, oxygen, nitrogen, hydrogen, and the like), the protective gas will contact with the inner wall of the ceramic protection tube 9, and will flow upward along the inner wall of the ceramic protection tube 9 and be discharged, so that the water vapor cannot flow from the ceramic protection tube 9 to the inside of the mechanical balance 3, and the water vapor can only flow downward along the outer wall of the ceramic protection tube 9 and generate a condensation phenomenon, and finally flows out from the water vapor outlet 8 in the form of gas or liquid, and cannot flow into the mechanical balance 3 all the time, therefore, the apparatus can complete the measurement of the differential thermal weight of the sample under the water vapor condition.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified by the above technical contents disclosed as equivalent variations to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (5)
1. Lead to steam differential heating thermogravimetric analyzer, including heating furnace body (1), its characterized in that: the heating furnace is characterized in that a furnace body base (2) is arranged at the bottom of the heating furnace body (1), a ceramic protection tube (9) is arranged on the furnace body base (2), a mechanical balance (3) is arranged inside the furnace body base (2), a water vapor inlet (7) is arranged on the heating furnace body (1), and a water vapor outlet (8) is formed in one side of the furnace body base (2).
2. The differential thermal gravimetric analyzer by steam according to claim 1, characterized in that: the mechanical balance (3) is provided with a differential thermal weight support rod (4), and the top end of the differential thermal weight support rod (4) is connected with a bearing frame.
3. The water vapor transport differential thermal gravitometric analyzer of claim 2, wherein: the differential thermal weight support rod (4) is connected with a reference crucible (5) through a bearing frame, and the differential thermal weight support rod (4) is connected with a measurement crucible (6) through the bearing frame.
4. The differential thermal gravimetric analyzer by water vapor according to claim 3, characterized in that: the measuring crucible (6) and the reference crucible (5) are positioned on the same horizontal plane.
5. The differential thermal gravimetric analyzer by steam according to claim 1, characterized in that: the ceramic protection tube (9) is positioned inside the heating furnace body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221742200.0U CN217717382U (en) | 2022-07-08 | 2022-07-08 | Differential thermal thermogravimetric analyzer by introducing water vapor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221742200.0U CN217717382U (en) | 2022-07-08 | 2022-07-08 | Differential thermal thermogravimetric analyzer by introducing water vapor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217717382U true CN217717382U (en) | 2022-11-01 |
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ID=83776090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221742200.0U Active CN217717382U (en) | 2022-07-08 | 2022-07-08 | Differential thermal thermogravimetric analyzer by introducing water vapor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217717382U (en) |
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2022
- 2022-07-08 CN CN202221742200.0U patent/CN217717382U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240328 Address after: Room 109, 1st Floor, Building 2, Courtyard 9, Qiangyun Road, Miyun District, Beijing, 101500 Patentee after: Beijing Hengjiu Equipment Manufacturing Co.,Ltd. Country or region after: China Address before: 101500 No.9 Qiangyun Road, Miyun District Economic Development Zone, Beijing Patentee before: Beijing zhenglang Technology Development Co.,Ltd. Country or region before: China |