CN201666861U - Device for testing weight loss on heating of solid object - Google Patents
Device for testing weight loss on heating of solid object Download PDFInfo
- Publication number
- CN201666861U CN201666861U CN2010201243648U CN201020124364U CN201666861U CN 201666861 U CN201666861 U CN 201666861U CN 2010201243648 U CN2010201243648 U CN 2010201243648U CN 201020124364 U CN201020124364 U CN 201020124364U CN 201666861 U CN201666861 U CN 201666861U
- Authority
- CN
- China
- Prior art keywords
- crucible
- heating
- weight loss
- coupon
- hole
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model relates to a device for testing the weight loss on heating of a solid object, in particular to a device for testing the weight loss on heating of coke combustion and solid ore, belonging to the technical field of ferrous metallurgy. The utility model provides a device for testing the weight loss on heating of the solid object, which reduces the error generated by heating the object. The device comprises a crucible (1), a crucible supporting device, a heating device and a weighing device, wherein the crucible (1) is supported in the heating device through the crucible supporting device, and the lower part of the crucible supporting device is supported on the weighing device.
Description
Technical field
The utility model relates to a kind of device of testing the solid body weight loss on heating, especially a kind of technical field of ferrous metallurgy that is applicable to, the device that STRENGTH ON COKE burning and solid mineral are carried out the weight loss on heating test.
Background technology
The method of Measuring Object weight loss on heating has another name called thermogravimetry (TG), it is a kind of method of measurement of species quality and temperature relation under certain programming rate or steady temperature condition, it is mainly used to study material pyrolytic process and mechanism, redox reaction and reaction kinetics etc., the structure of thermogravimetric analyzer is to be made of precision balance and heating furnace thereof, balance partly has one characteristic of chemical analysis balance, also have the mass change Continuous Tracking and react characteristics such as fast, thermogravimetric analyzer one have vertical, horizontal two kinds, wherein according to sky placing flat difference, can be divided into upper utensil type is that brace type and following ware formula are suspension type.Because environmental baseline difference when using,, the structure in the use also there are many different characteristics, to reach the purpose that under test condition, obtains higher measuring accuracy as the quality of test sample, probe temperature, test atmosphere etc.For present technical field of ferrous metallurgy, the weightless research of fuel combustions such as test ore weightlessness and solid fuel such as coke, coal dust, one adopts muffle furnace, suspension type thermogravimetric instrument proving installation, the problem of its existence mainly contains: relatively poor to the dirigibility that changes test environment conditions, suspension type also exists bracing or strutting arrangement and deteriorates greatly, problems such as probe temperature is lower, and test error is big.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of and can improve the heating object heating-up temperature, thereby reduce object produces the test solid body weight loss on heating of test error in heating process device.
The technical scheme that solves the problems of the technologies described above is: the device of test solid body weight loss on heating, comprise crucible, and the crucible bracing or strutting arrangement, heating arrangement and weighing device, described crucible is supported in the described heating arrangement by described crucible bracing or strutting arrangement.
Further be that described crucible bracing or strutting arrangement is made up of coupon, crucible holder; Described coupon is the top internal diameter less than the high magnesia siphunculus of fire-resistant oxidation resistant of the both ends open of bottom internal diameter, and described crucible holder is an external diameter less than described coupon bottom internal diameter, greater than the refractory tube of this coupon top internal diameter; Described coupon is enclosed within on the described crucible holder, and described crucible is positioned on the described crucible holder of described coupon.
Further be, described crucible holder refractory tube bottom is provided with shrouding, more than the described shrouding, the refractory tube tube wall that is inserted between the coupon of end is provided with at least one wind pushing hole, is penetrated in this wind pushing hole by the outside air supply duct of ajutage stent support.
The optimal way of last art scheme is, is provided with at described crucible holder top that diameter equals or the micropore orifice plate of smaller crucible holder pipe, and described crucible is supported on the crucible holder pipe by this micropore orifice plate.
Further be that described weighing device is made up of electronic scale and bracing frame thereof; Described crucible is supported on the described electronic scale by described crucible holder.
The optimal way of last art scheme is, described electronic scale is provided with locating shaft, and the corresponding position is provided with pilot hole on the shrouding of described crucible holder refractory tube bottom, and described locating shaft inserts in the described pilot hole.
Further be that described heating arrangement is made of fire resistive material body of heater of making and the heating tube that is distributed on this body of heater inside; Described body of heater longitudinal middle part has a through hole that connects this upper and lower bottom surface of body of heater, and described crucible is supported in this through hole by described crucible bracing or strutting arrangement.
The optimal way of last art scheme is that described through hole is a circular hole, on this circular-hole internal-wall alundum tube is installed; Described calandria is by MoSr
2The high temperature calandria of making.
Further be, the top of described body of heater through hole is provided with cover plate, and this cover plate is provided with movable ventilating opening.
Further be that described heating arrangement outer setting has a body of heater bracing frame.
The beneficial effects of the utility model are: use the bracing or strutting arrangement that is supported on the weighing device to be supported in the heating arrangement by the crucible that the sample object will be housed and heat, guaranteed that the temperature of heating is in the state of setting all the time, has increased specimen reaction speed, collects the granule solid product that reaction produces, thereby reduced object produces test error in heating process factor, whole sample device is supported on the weighing device, can observe the situation of change of object in heating process at any time, further reduce the test error in the heating process; The crucible holder that high magnesia coupon of high temperature calandria, the fire-resistant oxidation resistant that adopts MoSr2 to make and fire resistive material are made, the oxidation of bracing or strutting arrangement and deteriorating when avoiding heating improves probe temperature is set, and has further improved the accuracy of testing;
Description of drawings
Fig. 1 is the apparatus structure synoptic diagram of the utility model test solid body thermogravimetric.
Fig. 2 is the I portion view of the device of the utility model test solid body thermogravimetric
Be labeled as among the figure: crucible 1, coupon 2, crucible holder 3, body of heater 4, heating tube 5, wind pushing hole 6, ajutage support 7, micropore orifice plate 8, movable ventilating opening 9, electronic scale 10, locating shaft 11, electronic scale bracing frame 12, alundum tube 13, body of heater bracing frame 14.
Embodiment
As shown in Figure 1 and Figure 2, it is a kind of device of testing the solid body thermogravimetric that the utility model provides, it comprises crucible 1, crucible bracing or strutting arrangement, heating arrangement and weighing device, and described crucible 1 is supported in the described heating arrangement by described crucible bracing or strutting arrangement.Crucible 1 is used for the sample object that splendid attire need heat; The crucible bracing or strutting arrangement is used for crucible is supported in the heating arrangement; Heating arrangement is used to heat the object of the needs test that supports in this device, and in whole test process, object is in the state of temperature that preestablishes heating all the time; Weighing device is used for testing the variation of heating process weight of object.Heat in heating arrangement by object, and the weight change of object in the whole heating process is carried out continuous coverage, reach the purpose that tests out the weightless situation of object in heating process with weighing device with crucible and splendid attire thereof.Adopt the device of described test solid matter thermogravimetric, guaranteed that the temperature of heating is in the state of setting all the time, has increased specimen reaction speed, thereby reduced object produces test error in heating process factor.
The structure of described crucible bracing or strutting arrangement can be simple three fulcrum supports of being made by fire resistive material, it also can be an independent pipe of making by fire resistive material, as long as can be with stable being supported in the heating arrangement of crucible, but above-mentioned two kinds of structures, can not control the ambiance concentration in the heating arrangement, thereby cause test result inaccurate, pincers pot bracing or strutting arrangement described in the utility model is made up of coupon 2, pincers pan bracket 3; Described coupon 2 is the top internal diameter less than the high magnesia siphunculus of fire-resistant oxidation resistant of the both ends open of bottom internal diameter, and described pincers pan bracket 3 is an external diameter less than described coupon 2 bottom internal diameters, greater than the refractory tube of these coupon 2 top internal diameters; Described coupon 2 is enclosed within on the described pincers pan bracket 3, and described pincers pot 1 is positioned on the described pincers pan bracket 3 of described coupon 2; Described pincers pan bracket 3 refractory tubes bottom is provided with shrouding, more than the described shrouding of this pincers pan bracket 3, the refractory tube tube wall that is inserted between the coupon 2 of end is provided with at least one wind pushing hole 6, the outside air supply duct that is supported by ajutage support 7 penetrates in this wind pushing hole 6; Be provided with at described pincers pan bracket 3 tops that diameter equals or the micropore orifice plate 8 of small forceps pan bracket refractory tube slightly, described pincers pot 1 is supported on by this micropore orifice plate 8 and clamps on the pan bracket pipe.Adopt described structure that the object of crucible 1 and inner splendid attire thereof is in the controlled relatively space, simultaneously, according to the test request of different objects can also to change object firing chamber in the heating arrangement be ambiance concentration in the fire-resistant coupon by adding oxygen or other blanket gas, improve the reaction velocity of coupon bottom sample; The high magnesia coupon of fire-resistant oxidation resistant can prevent the oxidational losses of coupon in addition, and the probe temperature height makes the result of test more accurate.
Guarantee to measure accurately the weightless situation in the sample object combustion process, must measure, and preferably can carry out continuous coverage the weight change in the object combustion process.In order to reach this purpose, the utility model is provided with a weighing device in the device of described test solid matter thermogravimetric.The simplest structure of described weighing device is directly to adopt one electronic scale got final product, and measures the variation of object in the object combustion process at any time; If but this kind structure supports to the height that will increase bracing or strutting arrangement on the described electronic scale with crucible 1 and bracing or strutting arrangement thereof, thereby can increase the specified of electronic scale weighs, increase cost, if crucible 1 and bracing or strutting arrangement thereof are not supported on the described electronic scale, crucible must be taken out during measurement, the accuracy of continuous coverage can't be guaranteed.In order to make the error minimum of measurement, weighing device described in the utility model is made up of electronic scale 10 and support 14 thereof; Described pincers pot 1 is supported on the described electronic scale 10 by described pincers pan bracket 3.Adopt described structure, can select for use the electronic scale that weighs than small rated to get final product, what the utility model adopted is the electronic scales of band RS232 interface, its minimum precision is 0.01g, both reduce cost, and can guarantee again to weigh continuously, thereby guaranteed the accuracy of measuring.For with crucible 1 and firm the supporting on the electronic scale 10 of bracing or strutting arrangement thereof, described electronic scale 10 is provided with locating shaft 11, the corresponding position is provided with pilot hole on the shrouding of described pincers pan bracket 3 refractory tubes bottom, described locating shaft 11 inserts in the described pilot hole, what crucible 1 and bracing or strutting arrangement thereof just can be firm like this is supported on the electronic scale 10, make test object and bracing or strutting arrangement be positioned at the center of electronic scale test platform, reduce test error).
Described heating arrangement can adopt electric boiling plate, but the heating arrangement of this structure, support difficulty, resistance wire temperature difficulty fragile, heating meet the demands, use inconvenience, and heating arrangement described in the utility model is made of fire resistive material body of heater of making 4 and the calandria 5 that is distributed on body of heater 4 inside; Described body of heater 4 longitudinal middle parts have a through hole that connects this upper and lower bottom surface of body of heater, and described pincers pot 1 is supported in this through hole by described pincers pot bracing or strutting arrangement; Described through hole is equipped with alundum tube 13 for a circular hole on this circular-hole internal-wall; Described calandria 5 is by MoSr
2The high temperature calandria of making.Adopt the heating arrangement of described structure, the high temperature calandria of being made by MoSr2 is not easy to damage, the heating environment temperature can be brought up to 1400 ℃, supports also simpler simultaneously; Borehole structure just in time adapts with the structure of crucible 1, also can adapt to circular configuration by coupon 2, crucible holder 3, the inner alundum tube of installing, assurance is packed into or is taken out in crucible 1 and bracing or strutting arrangement and the heating process and enters in the crucible 1 or attached on the crucible bracing or strutting arrangement because of materials such as fire resistive material change other material that makes in the non-test object, thus the accuracy of influence test.
As previously mentioned; change the ambiance concentration of heating object; must be to coupon 2 inner input oxygen or blanket gas; change effect is not easy to guarantee if the through hole on the body of heater 4 can not seal close; in order to reach effect preferably; the top of described body of heater 4 through holes is provided with cover plate; this cover plate is provided with movable ventilating opening 9; thereby can be according to the different air vent modes of the different changes of test request; as natural ventilation overdraught pattern; oxygenation or blanket gas overdraught pattern; oxygenation or blanket gas overdraught " shut " mode" etc., realization changes the purpose of heating object ambiance concentration.
For the ease of crucible 1 and bracing or strutting arrangement thereof and weighing device are supported in the heating arrangement easily, also for the ease of heating arrangement is installed, described heating arrangement outer setting has a bracing frame 12 simultaneously.
Claims (10)
1. the device of test solid body weight loss on heating comprises crucible (1), the crucible bracing or strutting arrangement, and heating arrangement and weighing device is characterized in that: described crucible (1) is supported in the described heating arrangement by described crucible bracing or strutting arrangement.
2. the device of test solid body weight loss on heating according to claim 1 is characterized in that: described crucible bracing or strutting arrangement is made up of coupon (2), crucible holder (3); Described coupon (2) is the top internal diameter less than the high magnesia siphunculus of fire-resistant oxidation resistant of the both ends open of bottom internal diameter, and described crucible holder (3) is an external diameter less than described coupon (2) bottom internal diameter, greater than the refractory tube of this coupon (2) top internal diameter; Described coupon (2) is enclosed within on the described crucible holder (3), and described crucible (1) is positioned on the described crucible holder (3) of described coupon (2).
3. the device of test solid body weight loss on heating according to claim 2, it is characterized in that: described crucible holder (3) refractory tube bottom is provided with shrouding, more than the described shrouding, the refractory tube tube wall that is inserted between the coupon (2) of end is provided with at least one wind pushing hole (6), the outside air supply duct that is supported by ajutage support (7) penetrates in this wind pushing hole (6).
4. the device of test solid body weight loss on heating according to claim 3, it is characterized in that: be provided with at described crucible holder (3) top that diameter equals or the micropore orifice plate of smaller crucible holder refractory tube (8), described crucible (1) is supported on the crucible holder pipe by this micropore orifice plate (8).
5. the device of test solid body weight loss on heating according to claim 4 is characterized in that: described weighing device is made up of electronic scale (10) and support (14) thereof; Described crucible (1) is supported on the described electronic scale (10) by described crucible holder (3).
6. the device of test solid body weight loss on heating according to claim 5, it is characterized in that: described electronic scale (10) is provided with locating shaft (11), the corresponding position is provided with pilot hole on the shrouding of described crucible holder (3) refractory tube bottom, and described locating shaft (11) inserts in the described pilot hole.
7. the device of test solid body weight loss on heating according to claim 1 is characterized in that: the body of heater that described heating arrangement is made by fire resistive material (4) and be distributed on the inner heating tube (5) of body of heater (4) and constitute; Described body of heater (4) longitudinal middle part has a through hole that connects this upper and lower bottom surface of body of heater, and described crucible (1) is supported in this through hole by described crucible bracing or strutting arrangement.
8. the device of test solid body weight loss on heating according to claim 7 is characterized in that: described through hole is a circular hole, and alundum tube (13) is installed on this circular-hole internal-wall; Described calandria (5) is by MoSr
2The high temperature calandria of making.
9. the device of test solid body weight loss on heating according to claim 7 is characterized in that: the top of described body of heater (4) through hole is provided with cover plate, and this cover plate is provided with movable ventilating opening (9).
10. according to the device of each described test solid body weight loss on heating in the claim 1～9, it is characterized in that: described heating arrangement outer setting has a bracing frame (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201243648U CN201666861U (en) | 2010-03-05 | 2010-03-05 | Device for testing weight loss on heating of solid object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201243648U CN201666861U (en) | 2010-03-05 | 2010-03-05 | Device for testing weight loss on heating of solid object |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201666861U true CN201666861U (en) | 2010-12-08 |
Family
ID=43267820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201243648U Expired - Fee Related CN201666861U (en) | 2010-03-05 | 2010-03-05 | Device for testing weight loss on heating of solid object |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201666861U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076256A (en) * | 2012-12-31 | 2013-05-01 | 东北大学 | Device and method for detecting iron ore raw material |
| CN105158237A (en) * | 2015-08-25 | 2015-12-16 | 常州大学 | Sulfur detector with room temperature cooling function |
| CN105910944A (en) * | 2016-06-07 | 2016-08-31 | 中国石油大学(华东) | Device and method for detecting heated coke formation propensity of solid heavy raw material |
| CN105954137A (en) * | 2016-06-20 | 2016-09-21 | 华中科技大学 | In-situ rapid sampling thermogravimetric analyzer |
| CN106226187A (en) * | 2016-07-08 | 2016-12-14 | 哈尔滨工业大学 | ORC is at 1400～2300 DEG C of interval antioxygenic property test devices |
| CN108007809A (en) * | 2017-12-08 | 2018-05-08 | 中国科学院广州能源研究所 | One kind is rapidly heated wide-range thermogravimetric analyzer |
| CN109722263A (en) * | 2019-01-16 | 2019-05-07 | 武汉博立达农业科技发展有限公司 | Implement the system and this method of organic solid waste method for pyrolysis |
| CN110470558A (en) * | 2019-05-15 | 2019-11-19 | 华北电力大学（保定） | A kind of solid matter transient state is heated reaction speed measurement method and system |
-
2010
- 2010-03-05 CN CN2010201243648U patent/CN201666861U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076256A (en) * | 2012-12-31 | 2013-05-01 | 东北大学 | Device and method for detecting iron ore raw material |
| CN103076256B (en) * | 2012-12-31 | 2015-10-28 | 东北大学 | The pick-up unit detected for iron ore raw material and method |
| CN105158237A (en) * | 2015-08-25 | 2015-12-16 | 常州大学 | Sulfur detector with room temperature cooling function |
| CN105910944A (en) * | 2016-06-07 | 2016-08-31 | 中国石油大学(华东) | Device and method for detecting heated coke formation propensity of solid heavy raw material |
| CN105954137A (en) * | 2016-06-20 | 2016-09-21 | 华中科技大学 | In-situ rapid sampling thermogravimetric analyzer |
| CN105954137B (en) * | 2016-06-20 | 2017-09-29 | 华中科技大学 | A kind of quick sampling thermogravimetric analyzer in situ |
| CN106226187A (en) * | 2016-07-08 | 2016-12-14 | 哈尔滨工业大学 | ORC is at 1400～2300 DEG C of interval antioxygenic property test devices |
| CN108007809A (en) * | 2017-12-08 | 2018-05-08 | 中国科学院广州能源研究所 | One kind is rapidly heated wide-range thermogravimetric analyzer |
| CN109722263A (en) * | 2019-01-16 | 2019-05-07 | 武汉博立达农业科技发展有限公司 | Implement the system and this method of organic solid waste method for pyrolysis |
| CN110470558A (en) * | 2019-05-15 | 2019-11-19 | 华北电力大学（保定） | A kind of solid matter transient state is heated reaction speed measurement method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201666861U (en) | Device for testing weight loss on heating of solid object | |
| CN103760054B (en) | A kind of thermogravimetric reactor for bulk specimen test | |
| CN108007809B (en) | Rapid heating wide-range thermogravimetric analyzer | |
| CN206258335U (en) | Fuel conflagration specificity analysis device | |
| CN106124357B (en) | A kind of multi-functional coal sample heating and oxidation rule test platform of automatic sampling | |
| CN103712881A (en) | Gram-grade material thermo-gravimetry and gas production property research experimental apparatus | |
| CN100575946C (en) | Sintering combustion automatic analysis instrument | |
| CN206235585U (en) | A kind of coal sample heating and oxidation test device | |
| CN105807029A (en) | Coal spontaneous-combustion characteristic determining device based on thermogravimetry | |
| CN103076256A (en) | Device and method for detecting iron ore raw material | |
| CN207516197U (en) | One kind is rapidly heated wide-range thermogravimetric analyzer | |
| WO2018149208A1 (en) | Thermogravimetric analyser with rapid temperature rise | |
| CN103969147A (en) | Full-automatic petroleum ash determinator | |
| CN203191273U (en) | Thermogravimetric analysis device for coal performance test | |
| CN201522411U (en) | Oil smoke flue oil scale combustion characteristic analyzing device | |
| CN201532343U (en) | High temperature thermogravimetric analyzer | |
| CN103969144A (en) | Test method for carbon dioxide in active lime, and apparatus | |
| CN203643290U (en) | Experimental apparatus for researching thermogravimetry and gas production characteristic of gram-level material | |
| CN207779939U (en) | Carbonaceous solids substance gasification reaction rate test device | |
| CN106053285A (en) | Apparatus for detecting high-temperature thermal properties of coke | |
| CN200953016Y (en) | Automatic analyser for sintering combustion | |
| CN113433022B (en) | Thermogravimetric analysis system capable of realizing high-precision initial-stage stable measurement | |
| CN2844896Y (en) | High temperature weight analyzer for large sample of refractory material | |
| CN201532344U (en) | alkali metal test device | |
| CN207300784U (en) | A kind of lower vertical thermobalance of ware formula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20160305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |