CN206523393U - One kind is rapidly heated thermogravimetric analyzer - Google Patents

One kind is rapidly heated thermogravimetric analyzer Download PDF

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Publication number
CN206523393U
CN206523393U CN201720131001.9U CN201720131001U CN206523393U CN 206523393 U CN206523393 U CN 206523393U CN 201720131001 U CN201720131001 U CN 201720131001U CN 206523393 U CN206523393 U CN 206523393U
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China
Prior art keywords
reactor
wire netting
inverted
copper pipe
balance
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CN201720131001.9U
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Inventor
曹良
罗光前
方园
邹仁杰
毛正江
李艺铭
李显
姚洪
袁浩然
陈勇
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Huazhong University of Science and Technology
Guangzhou Institute of Energy Conversion of CAS
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Huazhong University of Science and Technology
Guangzhou Institute of Energy Conversion of CAS
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Abstract

The utility model belongs to measuring instrument field, and disclose one kind and be rapidly heated thermogravimetric analyzer, including pedestal, electronic analytical balance, open support pipe, heater, temperature control system, cloche and equipment data acquisition analyzing, pedestal includes balance room, rebasing adjustment stud and support rim, and electronic analytical balance is arranged in the balance room;Heater includes inverted U copper pipe, wire netting reactor and electrode;Temperature control system includes thermocouple, signal wire and temperature controller;Cloche is accepted by the support rim and covers the open support pipe, wire netting reactor and inverted U copper pipe;The equipment data acquisition analyzing is connected with the electronic analytical balance and the temperature controller respectively.The utility model is using wire netting reactor as heater, and wire netting reactor is directly contacted with particle, and sample particle is heated as major way using heat transfer and heat radiation, and the rate of heat addition can be greatly improved.

Description

One kind is rapidly heated thermogravimetric analyzer
Technical field
The utility model belongs to measuring instrument field, more particularly, to a kind of thermogravimetric analyzer.
Background technology
Thermogravimetric analyzer is a kind of instrument that material mass-temperature change relation is detected using DTG.Work as measured matter When having the reaction such as evaporation, pyrolysis, gasification, oxidation in heating process, tested material mass will change.DTG Important feature is quantitative strong, and the mass change of material and the speed of change can be determined exactly.However, DTG analytical technology Still suffer from certain limitation.
First, the thermogravimetric analyzer of current use for laboratory, the rate of heat addition only up to reach 100K/min, with actual industrial During the heating rate of material have larger difference, it is impossible to the need for meeting some researchs.For example, for the boiler of powder coal stove In, fuel is sprayed into after boiler furnace, and heating rate reaches 1000-10000K/s, and this heating rate with thermogravimetric is far apart. Secondly, in thermogravimetric actual moving process, deviation occurs in heating rate, because furnace volume is larger, as temperature is higher, body of heater Radiation loss is bigger, causes heating rate to reduce, and this is accomplished by carrying out sample temperature the progress of feedback regulation correcting sample temperature Feedback regulation is corrected, however, thermogravimetric analyzer is all that sample is heated up by radiation of burner hearth and convection heat transfer' heat-transfer by convection at present, is passed through The temperature control sample temperature of the overall big burner hearth of adjustment, it is very slow that it adjusts process, it is impossible to ensures the accuracy of heating rate, There is great interference to experimental result.
Again, when needing to use thermogravimetric GC-MS, by coupling during gas analyzer synchro measure gaseous product, due to Current thermogravimetric analyzer uses crucible as reactor mostly, and the pile up effect of sample is serious (to cause temperature distributing disproportionation, part Temperature is too high), gas residence time length is also one of the reason for causing secondary response.For some chemical reactions, reaction generation Gaseous products between or gaseous products and sample between easily occur secondary response so that gaseous products concentration changes, Cause measurement error.
In summary, the thermogravimetric analyzer of current use for laboratory there is problems:
1) rate of heat addition of current thermogravimetric analyzer only up to reach 100K/min, it is impossible to simulate some actual works Industry process, is unfavorable for further investigated chemical reaction mechanism, there is significant limitation.
2) sample is heated up by Radiative heat transfer in furnace, furnace volume is big, and temperature signal feedback regulation process is slow, Heating rate can not be accurately controlled.
3) for some courses of reaction, secondary response significantly, and is difficult control and avoided, when needing that gaseous product is entered During row Synchronization Analysis, the accuracy to measurement result is caused very big interference by secondary response.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model is rapidly heated thermogravimetric analysis there is provided one kind Instrument, its object is to overcome to exist that the rate of heat addition is slow, temperature adjustment is slow and secondary response is serious in existing thermogravimetric technology The problems such as, temperature control precisely and secondary response influence small the advantages of fast with heating rate.
To achieve the above object, it is rapidly heated thermogravimetric analyzer there is provided one kind according to the utility model, its feature exists In, including pedestal, electronic analytical balance, open support pipe, heater, temperature control system, cloche and data acquisition Analytical equipment, wherein,
The pedestal includes balance room, rebasing adjustment stud and support rim, and the balance room is hollow, the rebasing adjustment Stud is arranged on the inner bottom surface of balance room, and the support rim is located above the balance room and held by the balance room Connect, in addition, being provided with cable tray on the support rim;
The electronic analytical balance is arranged in the balance room and accepted by the rebasing adjustment stud;
The open support pipe is vertically arranged, and it passes through the electronics after passing through the support rim and the balance room Assay balance is accepted, and the side wall of the open support pipe has multiple through holes;
The heater includes inverted U copper pipe, wire netting reactor and electrode, two ends of the inverted U copper pipe It is shelved on the support rim and its inner chamber is connected with the cable tray of the support rim, the wire netting reactor leads to Cross the open support pipe to accept, the electrode is arranged on the inverted U copper pipe and passes through connecting wire and the gold Belong to the connection of net reactor, in addition, the electrode also connects the temperature control system by current supply line, for the gold Category net reactor is powered heating, the current supply line from the cable tray of the support rim through the support rim, and from Opening on the inner chamber and side wall of the inverted U copper pipe is through the inverted U copper pipe;
The temperature control system includes thermocouple, signal wire and temperature controller, and the thermocouple is fixedly mounted on institute The top of inverted U copper pipe is stated, it is connected by the signal wire with the temperature controller, and it is described from branch described in signal wire The cable tray for supportting boss passes through the support rim, and from the opening on the inner chamber and side wall of the inverted U copper pipe through institute Inverted U copper pipe is stated, the temperature controller connects the electrode by the current supply line;
The cloche is accepted by the support rim and covers the open support pipe, wire netting reactor and fall U-shaped copper pipe, the side wall of the cloche is provided with air inlet and its top is provided with exhaust outlet;
The equipment data acquisition analyzing is connected with the electronic analytical balance and the temperature controller respectively.
Preferably, the wire netting reactor is that 2~4 layers of metal net folding are formed, and passes through screw and the open support Screw is connected at the top of pipe.
Preferably, it is provided with splitting between the wire netting reactor and the open support pipe.
Preferably, the temperature signal that the temperature controller is measured according to the thermocouple, is carried out with the temperature value of setting Compare, form feedback signal, so that the electric current on wire netting reactor is controlled, to change heating power, so it is anti-to wire netting The temperature of device is answered to be adjusted correction.
Preferably, the quantity of the thermocouple is two, wherein the thermometric end of a thermocouple is located at wire netting reactor Overcentre, the thermometric end of another thermocouple is located above wire netting reactor edge.
Preferably, the joint of the cloche and the support rim is provided with sealing ring.
In general, by the contemplated above technical scheme of the utility model compared with prior art, it can obtain down Row beneficial effect:
1) using wire netting reactor as heater, wire netting reactor is directly contacted with particle, with heat transfer with Heat radiation is that major way is heated to sample particle, the rate of heat addition can be greatly improved, it is possible to achieve the rate of heat addition is 10-1-103Great-leap-forward is adjusted between five orders of magnitude of K/s.
2) heating power is controlled by changing the electric current of wire netting, and then adjusts heating rate, shorten regulation Time, improve the accuracy of temperature control.
3) sample is in individual layer its flat presentation in wire netting reactor, reduces solid particle and directly contacts with each other, together When, reaction gas flow by conversion zone and takes away gaseous product at a high speed, secondary between significantly reducing admittedly or between gas-solid React (gas residence time is long, also there is secondary response between gas).
4) sample is in individual layer its flat presentation in wire netting reactor, reduces pile up effect so that sample each several part temperature Degree is consistent.
5) conversion zone is disposed with two pairs of thermocouples, and is all almost close to reactor surface, and experimental temperature is measured more Accurately.
Brief description of the drawings
Fig. 1 is structural representation structure chart of the present utility model;
Fig. 2 (a), Fig. 2 (b) are respectively the sectional view and top view of support rim in the utility model;
Fig. 3 is the structural representation of open support pipe in the utility model;
Fig. 4 is the structural representation of inverted U copper pipe in the utility model;
Fig. 5 is sample on wire netting reactor in the utility model and thermocouple arrangement schematic diagram;
Fig. 6 is cloche structural representation in the utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with figure and embodiment, The utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this Utility model, is not used to limit the utility model.In addition, involved in each embodiment of the utility model disclosed below As long as and to technical characteristic do not constitute each other conflict can just be mutually combined.
With reference to each accompanying drawing, one kind is rapidly heated thermogravimetric analyzer, including pedestal 1, electronic analytical balance 2, open support circle Pipe 3, heater 4, temperature control system 5, cloche 6 and equipment data acquisition analyzing, wherein,
The pedestal 1 is included in balance room 1-2, rebasing adjustment stud 1-1 and support rim 1-3, the balance room 1-2 Sky, the rebasing adjustment stud 1-1 is arranged on balance room 1-2 inner bottom surface, and the support rim 1-3 is located at the balance room Accepted above 1-2 and by the balance room, in addition, being provided with cable tray on the support rim 1-3;
The electronic analytical balance 2 is arranged in the balance room 1-2 and accepted by the rebasing adjustment stud 1-1;
The open support pipe 3 is vertically arranged, and it passes through after passing through the support rim 1-3 and balance room 1-2 The electronic analytical balance 2 is accepted, and the side wall of the open support pipe 3 has multiple through holes;
The heater 4 includes inverted U copper pipe 4-1, wire netting reactor 4-4 and electrode, the inverted U copper pipe 4-1 Two ends rests are on the support rim 1-3 and its inner chamber is connected with the cable tray of the support rim 1-3, institute Wire netting reactor 4-4 is stated to accept by the open support pipe 3, the electrode be arranged on the inverted U copper pipe on and It is connected by connecting wire with the wire netting reactor 4-4, in addition, the electrode is also by current supply line 4-2 connections Suo Shu Temperature control system 5, for heating of being powered to the wire netting reactor 4-4, the current supply line 4-2 is from the support Boss 1-3 cable tray passes through the support rim 1-3, and from opening on the inner chamber and side wall of the type of the falling U copper pipe 4-1 Mouth passes through the inverted U copper pipe;
The temperature control system 5 includes thermocouple, signal wire 5-4 and temperature controller 5-3, and the thermocouple fixes peace Mounted in the top of the inverted U copper pipe 4-1, it is connected by the signal wire 5-4 with the temperature controller 5-3, and institute State from the cable tray of support rim 1-3 described in signal wire 5-4 and pass through the support rim 1-3, and from the inverted U copper pipe 4- Opening on 1 inner chamber and side wall is through the inverted U copper pipe, and the temperature controller 5-3 is connected by the current supply line 4-2 Connect the electrode;
The cloche 6 is accepted by the support rim 1-3 and covers the open support pipe 3, wire netting reaction Device 4-4 and inverted U copper pipe 4-1, the side wall of the cloche 6 is provided with air inlet and its top is provided with exhaust outlet 6-3;
The equipment data acquisition analyzing 7 is connected with the electronic analytical balance 2 and the temperature controller 5-3 respectively.
Further, the wire netting reactor 4-4 is that 2~4 layers of metal net folding are formed.Pass through screw and the porous branch The top screw of pipe 3 is held round to be connected.
Further, it is provided with splitting between the wire netting reactor 4-4 and the open support pipe 3.
Further, the temperature signal that the temperature controller 5-3 is measured according to the thermocouple, enters with the temperature value of setting Row compares, and feedback signal is formed, so that the electric current on wire netting reactor 4-4 is controlled, to change heating power, and then to metal Net reactor 4-4 temperature is adjusted correction.
Further, the quantity of the thermocouple is two, wherein the thermometric end of a thermocouple is located at wire netting reactor 4-4 overcentres, the thermometric end of another thermocouple is located above wire netting reactor 4-4 edges.
Further, the joint of the cloche 6 and the support rim 1-3 is provided with sealing ring 6-1.
Reference picture 1, the pedestal includes 4 rebasing adjustment stud 1-1, balance room 1-2 and support rim 1-3.
The rebasing adjustment stud 1-1 is highly 50mm, and surfacing can adjust height so that balance can be not Level is kept on flat surface.
Reference picture 1, Fig. 2 (a), Fig. 2 (b), the balance room 1-2 is rectangular parallelepiped structure, and inside is at the top of cavity, balance room For circular open, balance room's lower end side is provided with protection gas import.
The support rim 1-3 includes higher level's boss and subordinate's boss, positioned above balance room 1-2.
There is circular support frame passage 1-3-2 in the middle of reference picture 2 (a), Fig. 2 (b), the support rim 1-3, connect the day Flat ceiling portion circular open.
Cable tray on the support rim 1-3 is the first internal wiring passage 1-3-1A and second being arranged symmetrically Internal wiring passage 1-3-1B, the one end open of the cable tray is located at the top end face of higher level's boss, and another end opening is located at The side of subordinate's boss.
Reference picture 1, the open support pipe 3 is cylinder cylinder, and the through hole of many rectangular arrangeds is provided with around it, with Ensure that the purging air-flow being passed through in experimentation from both sides the first air inlet 6-2A of cloche 6 and the second air inlet 6-2B is uniform.
Circumferentially symmetric design has the first Screw hole structure 3-1 and the second screw at the top of open support pipe described in reference picture 3 Structure 3-2, for fixing wire netting reactor 4-3 with screw fit.The external diameter of the open support pipe 3 is slightly less than above-mentioned branch Support the aperture of the circular support frame passage 1-3-2 in the middle of boss 1-3.
Reference picture 1 and Fig. 4, the heater 4 includes inverted U copper pipe 4-1, wire 4-2 and electrode and wire netting reacts Device 4-4, it is hollow structure, inverted U copper that electrode, which includes electrode anode 4-3A and electrode cathode 4-3B, the inverted U copper pipe 4-1, Pipe first end 4-1A and the second end 4-1B respectively with the first internal wiring passage 1-3-1A and the second internal wiring passage 1- 3-1B is connected and the two ends are fixed on higher level's boss.
The current supply line by the first internal wiring passage 1-3-1A and the second internal wiring passage 1-3-1B, Into inside inverted U copper pipe 4-1, the first perforate 4-1C and the second perforate 4-1D in the middle part of inverted U copper pipe stretch out, with being fixed on The first screw 3-1 and the second screw 3-2 on the top of open support pipe 3 electrode connection.
The electrode anode 4-3A and electrode cathode 4-3B are connected to supply by connecting wire with wire netting reactor 4-4 Electricity.
Reference picture 1, the wire netting reactor 4-4 be 2 to 4 layers of metal net folding form, by screw with it is described porous The top of support pipe 3 first screw 3-1 and the second screw 3-2 is connected.
Diameter 2-3cm border circular areas is marked in the middle part of reference picture 5, wire netting reactor 4-4 as reaction zone, reactant is put down It is laid on this reaction zone.
Reference picture 1, the temperature control system 5 includes the first thermocouple 5-2A and the second thermocouple 5-2B, temperature control Device 5-3 and signal wire 5-4.
Reference picture 1 and Fig. 4, the first thermocouple 5-2A and the second thermocouple 5-2B are fixed on inverted U copper pipe 4-1 curved portions Hole a 4-1E and 4-1F is opened in both sides respectively at the top of 5-1, inverted U copper pipe 4-1, and inverted U copper pipe 4-1 is hollow structure, logical with circuit Road is connected, and is fixed on higher level's boss.
The first side opening 4-1E and the second side opening 4-1F, the first thermocouple 5- are opened in both sides respectively at the top of the thermocouple fix bar Thus holes is stretched out by 2A and the second thermocouple 5-2B.
The signal wire is by line channel, into inside inverted U copper pipe 4-1, from inverted U copper pipe 4-1 tops institute Open and stretched out at the first side opening 4-1E and the second side opening 4-1F, is connected with the first thermocouple 5-2A and the second thermocouple 5-2B, it is described The signal wire other end is connected with temperature controller 5-3.
Reference picture 5, the first thermocouple 5-2A and the second thermocouple 5-2B are arranged on the wire netting reactor 4-4 Side, a thermocouple temperature measurement end 5-2C is located at wire netting reactor 4-4 overcentres and measures reaction zone temperature, another thermocouple Thermometric end 5-2D is located at measurement reaction zone lip temperature above wire netting reactor 4-4 edges.
Reference picture 1, the temperature controller 5-3 is connected with the heater by wire.The temperature controller 5-3 The temperature signal measured according to the first thermocouple 5-2A and the second thermocouple 5-2B, is compared with the temperature value of setting, Feedback signal is formed, the electric current of heater 4 is controlled, changes heating power, temperature is adjusted.
Reference picture 1 and Fig. 6, the latter half of cloche 6 are cylinder, and top is hemispherical.The lower half of cloche 6 Partial cylinder external diameter is consistent with higher level's boss external diameter of the support rim 1-3, is placed on higher level's boss, contact position arrangement There is sealing ring 6-1.
Reference picture 6, the cloche side is provided with the first air inlet 6-2A and the second air inlet 6-2B, and top is provided with One gas outlet 6-3, the gas outlet 6-3 lower ends are set to down infundibulate.
Reference picture 1, the data acquisition and analysis system 7 includes data line and computer 7-1;Pass through the data transfer Line, the electronic analytical balance 2, the temperature controller 5-3 is connected with the computer 7-1, by the electronic analytical balance 2 weight signal and the temperature controller 5-3 temperature signal are transferred to computer 7-1.
Constant-temperature combustion experiment is carried out to coal particle sample using above-mentioned variable heating speed thermogravimetric analyzer, specific steps are such as Under:
1) the thermogravimetric analysis instrument apparatus is placed on the experimental bench of surfacing level, adjustment stud in spacer bottom makes Balance is in horizontality.
2) support bar 3 for taking out cleaning is inserted vertically into support rim 1-3 circular support frame passage 1-3-21- from top to bottom In 3-2, the fixed anti-device 4-4 of wire netting the first screw 3-1 and the 2nd 3-2 are backed out, clean metal mesh sheet (this reality is chosen Test from 200 mesh gauzes, corresponding particle diameter is 100 μm -200 μm) fold after with first screw 3-1 of the top of open support pipe 3 Fixation is tightened with the 2nd 3-2.The thermocouple wire of this experiment preferably 50 μ m diameters.
3) current supply line 4-2 and signal wire 5-4 by the first internal wiring passage 1-3-1A and the second internal wiring passage 1-3-1B is stretched into, and then installs hollow inverted U copper pipe 4-1, by current supply line 4-2 and signal wire 5-4 along inverted U copper pipe 4-1 Stretch into, draw wire at inverted U copper pipe 4-1 the first middle part perforate 4-1C and the second middle part perforate 4-1D, by wire 4-2 It is connected with the electrode for being fixed on the top screw of support bar 3, signal wire 5-4 is drawn by the first side opening 4-1E and the second side opening 4-1F Go out, then signal wire 5-4 is connected with thermocouple, thermocouple temperature measurement end is arranged in above the wire netting reactor 4-4, one Thermocouple temperature measurement end 5-2C is located at wire netting reactor overcentre and measures reaction zone temperature, another thermocouple temperature measurement end 5-2D Measurement reaction zone lip temperature, then fixes inverted U copper pipe 4-1 above wire netting reactor 4-4 edges.
4) cloche 6 is covered, startup power supply opens electronic analytical balance 2, waits the stable reading of electronic analytical balance 2, clearly The reading of zero electronic analytical balance 2.
5) reaction heating schedule is write, starts balance, blank assay is carried out.
6) the coal sample particle between 100 μm -200 μm of particle diameters of the 30mg by screening is weighed with electronic analytical balance 2.
7) treat that blank assay is completed, thermogravimetric device is cooled to after normal temperature, remove cloche, unclamp the spiral shell of fixed wire netting Mother, the wire netting reactor 4-4 of folding is spread out, the coal sample particulate samples 8 weighed up are laid in wire netting reactor 4-4 Portion diameter 2-3cm reaction zone.
8) wire netting reactor 4-4 is folded so that wire netting reactor 4-4 compression coal sample particles, tighten fixed wire netting Reactor 4-4 2 nuts.During fixed wire netting reactor 4-4 2 nuts are tightened, it should be noted that first twist slightly Nut makes 2 nuts all press wire netting reactor 4-4, then slowly tightens one by one again, can't by each nut once by It is individual to tighten.
9) repeat step 3) in arrangement electrode cable and thermocouple process, arrange electrode cable and thermocouple.
10) cloche is covered, each gas piping is connected, the first air inlet 6-2A connects oxygen, and the first air inlet 6-2B connects Argon gas, first shuts the valve of oxygen, opens argon gas valve, is passed through argon gas.
11) heating schedule is set by computer, is heated to being kept for 20 minutes after 600 DEG C with 100 DEG C/s speed.
12) oxygen valve is opened after 600 DEG C after temperature stabilization, being passed through oxygen makes coal sample burn, flow is 50mL/min.
13) coal sample after-flame is treated, during thermogravimetric curve kept stable, data acquisition is terminated, preserves data.
As it will be easily appreciated by one skilled in the art that the foregoing is only preferred embodiment of the present utility model, not To limit the utility model, all any modifications made within spirit of the present utility model and principle, equivalent substitution and change Enter, should be included within protection domain of the present utility model.

Claims (6)

  1. The thermogravimetric analyzer 1. one kind is rapidly heated, it is characterised in that including pedestal, electronic analytical balance, open support pipe, plus Thermal, temperature control system, cloche and equipment data acquisition analyzing, wherein,
    The pedestal includes balance room, rebasing adjustment stud and support rim, and the balance room is hollow, the rebasing adjustment stud It is arranged on the inner bottom surface of balance room, the support rim is located above the balance room and accepted by the balance room, this Outside, it is provided with cable tray on the support rim;
    The electronic analytical balance is arranged in the balance room and accepted by the rebasing adjustment stud;
    The open support pipe is vertically arranged, and it passes through the electronic analysis after passing through the support rim and the balance room Balance is accepted, and the side wall of the open support pipe has multiple through holes;
    The heater includes inverted U copper pipe, wire netting reactor and electrode, two ends rests of the inverted U copper pipe On the support rim and its inner chamber is connected with the cable tray of the support rim, the wire netting reactor passes through institute The undertaking of open support pipe is stated, the electrode is arranged on the inverted U copper pipe and passes through connecting wire and the wire netting Reactor is connected, in addition, the electrode also connects the temperature control system by current supply line, for the wire netting Reactor is powered heating, and the current supply line passes through the support rim from the cable tray of the support rim, and from described Opening on the inner chamber and side wall of inverted U copper pipe is through the inverted U copper pipe;
    The temperature control system includes thermocouple, signal wire and temperature controller, and the thermocouple is fixedly mounted on the U The top of type copper pipe, it is connected by the signal wire with the temperature controller, and described convex from support described in signal wire The cable tray of platform pass through the support rim, and from the opening on the inner chamber and side wall of the inverted U copper pipe through it is described fall U Type copper pipe, the temperature controller connects the electrode by the current supply line;
    The cloche is accepted by the support rim and covers the open support pipe, wire netting reactor and inverted U Copper pipe, the side wall of the cloche is provided with air inlet and its top is provided with exhaust outlet;
    The equipment data acquisition analyzing is connected with the electronic analytical balance and the temperature controller respectively.
  2. The thermogravimetric analyzer 2. one kind according to claim 1 is rapidly heated, it is characterised in that the wire netting reactor is 2~4 layers of metal net folding are formed, and are connected by screw with screw at the top of the open support pipe.
  3. The thermogravimetric analyzer 3. one kind according to claim 1 is rapidly heated, it is characterised in that the wire netting reactor with Splitting is provided between the open support pipe.
  4. The thermogravimetric analyzer 4. one kind according to claim 1 is rapidly heated, it is characterised in that the temperature controller according to The temperature signal that the thermocouple is measured, is compared with the temperature value of setting, feedback signal is formed, so as to control wire netting anti- The electric current on device is answered, to change heating power, and then correction is adjusted to the temperature of wire netting reactor.
  5. The thermogravimetric analyzer 5. one kind according to claim 1 is rapidly heated, it is characterised in that the quantity of the thermocouple is Two, wherein the thermometric end of a thermocouple is located at wire netting reactor overcentre, the thermometric end of another thermocouple is located at Above wire netting reactor edge.
  6. The thermogravimetric analyzer 6. one kind according to claim 1 is rapidly heated, it is characterised in that the cloche and the branch The joint of support boss is provided with sealing ring.
CN201720131001.9U 2017-02-14 2017-02-14 One kind is rapidly heated thermogravimetric analyzer Active CN206523393U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018149208A1 (en) * 2017-02-14 2018-08-23 华中科技大学 Thermogravimetric analyser with rapid temperature rise
CN109541009A (en) * 2018-11-15 2019-03-29 中国科学院广州能源研究所 A kind of silk screen instant heating and quick mass spectrum gas-solid facies analysis instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018149208A1 (en) * 2017-02-14 2018-08-23 华中科技大学 Thermogravimetric analyser with rapid temperature rise
CN109541009A (en) * 2018-11-15 2019-03-29 中国科学院广州能源研究所 A kind of silk screen instant heating and quick mass spectrum gas-solid facies analysis instrument

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