CN205691449U - A kind of quick sampling thermogravimetric analyzer in situ - Google Patents
A kind of quick sampling thermogravimetric analyzer in situ Download PDFInfo
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- CN205691449U CN205691449U CN201620613897.XU CN201620613897U CN205691449U CN 205691449 U CN205691449 U CN 205691449U CN 201620613897 U CN201620613897 U CN 201620613897U CN 205691449 U CN205691449 U CN 205691449U
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- insulating tube
- probe
- situ
- specimen holder
- thermogravimetric analyzer
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Abstract
The utility model discloses a kind of quick sampling thermogravimetric analyzer in situ, including workbench, heating furnace, specimen holder, sampling probe, insulating tube, heating furnace is located on workbench, and specimen holder is arranged on the electronic balance in workbench, and stretch in burner hearth, it is placed with crucible；Furnace temperature thermocouple it is provided with in it；Sampling probe is installed on heating furnace, and is positioned at the top of crucible；Heat-insulating cover is contained in the outside of sampling probe, is provided with ultrafine-hair tubule in it, and this ultrafine-hair tubule stretches into insulating tube successively and uses probe, and extends in crucible.It is big that this utility model can effectively solve measurement error, the problem of the easy blocking pipeline of product, has certainty of measurement high, easy to operate, advantages of simple structure and simple.
Description
Technical field
This utility model belongs to thermogravimetric analysis instrument field, more particularly, to one quick sampling thermogravimetric analysis in situ
Instrument.
Background technology
Thermogravimetric analyzer refers under controlling temperature conditions, a kind of analyser that the weight of measurement of species varies with temperature
Device, can be reflected in the Changing Pattern of substance weight in heat treatment process, be widely used in chemical industry, geology, biology, the energy, ring
The fields such as border.But, thermogravimetric can only carry out simple quantitative analysis to reactant, in actual applications, between reactant often
There is multiple reaction to occur simultaneously, and this is difficult to embody on Thermogravimetric Data.In order to further appreciate that the details of reaction, determine anti-
Answer mechanism, need thermogravimetric and other gas analysers (such as gas chromatograph, the infrared transform spectrometer of Fourier, flue gas analysis
Instrument) combination, gaseous species and the change of concentration in real-time monitoring reaction course, in conjunction with thermogravimetric curve, can be to chemical reaction
Process has relatively sharp understanding.
In the current achievement in research about thermogravimetric multiple techniques, including: (1) a kind of for the trapping of thermogravimetric emergent gas from
Dynamic single liquid drop micro-extractor (CN103487534A), this utility model achieves and utilizes the microlayer model of specific extract to thermogravimetric
Emergent gas traps, then with gas analyser, emergent gas carries out qualitative and quantitative analysis, but this utility model can not be real
Existing on-line real time monitoring emergent gas composition, operating procedure is relatively complicated, and due to the diffusion of gas, microlayer model trapping
Gas concentration there are differences with actual value；(2) Liu Xiang etc. at article, " Herba penniseti based on ftir Analysis multiple techniques was pyrolyzed
Journey is analyzed " in use to ftir Analysis multiple techniques, utilize the weight of the real-time measuring samples of synchronous solving to change, simultaneously
The gaseous product discharged is discharged from synchronous solving top, is carried along into infrared spectrometer gas detecting with carrier gas
Pond, it is achieved that reactant and gaseous product synchro measure, but in this combined apparatus, at gaseous product elder generation outlet diffusor, then enter
Entering transmission line, diffusion impact is very big, and whole gaseous product transmitting procedure is longer, and secondary response is violent, and some gas
Body product may condense in transmitting procedure, and above each factor all causes actually entering in infrared spectrometer pneumatic cell
Gaseous species and concentration deviation are relatively big, have impact on the verity of measurement result.
It has been investigated that, existing thermogravimetric multiple techniques yet suffers from problems with: (1) existing thermogravimetric is combined the big portion of equipment
Point being the pipeline connecting gas analyser at the gas outlet of thermogravimetric, in this case, the gas that reaction generates is first with gas
Stream moves to hot-weighty gas exit, enters back into gas analyser sensing chamber, due to diffusion, in the concentration of exit gas
Have bigger difference with the concentration of gas at reactant, cause the gas concentration distortion detected；(2) some is reacted, gas
Between body product or gaseous product and carrier gas can occur secondary response, from reaction-ure surface to the mistake of gas analyser sensing chamber
Cheng Zhong, the impact of secondary response is very notable, and the gas concentration detected even kind can be caused to change；(3) some gas
Body product can condense in transport pipeline, blocking pipeline.
Utility model content
For disadvantages described above or the Improvement requirement of prior art, this utility model provides a kind of quick sampling thermogravimetric in situ
Analyser, its object is to overcome and there is product gas diffusion in existing combination thermogravimetric technology or survey that secondary response causes
The problem of amount error, by the structure of its key component such as heating furnace, specimen holder, sampling probe and insulating tube etc. and specifically setting
The mode of putting is studied and is designed, and can effectively solve the problem that measurement error is big accordingly, the problem of the easy blocking pipeline of product, with
Time to be also equipped with certainty of measurement high, easy to operate, advantages of simple structure and simple.
For achieving the above object, the utility model proposes a kind of quick sampling thermogravimetric analyzer in situ, including workbench,
Heating furnace, specimen holder, sampling probe and insulating tube, wherein:
Described workbench includes support rim and balance room, and this support rim is arranged in described balance room, opens in the middle part of it
Being provided with the specimen holder passage connected with described balance room, indoor, described balance room are provided with electronic balance；
Described heating furnace includes that burner hearth and bell, the upper and lower of described burner hearth are equipped with opening, and it is by bottom
Opening is arranged on described support rim, and the opening on its top is closed by described bell；
Described specimen holder is arranged on described electronic balance, and stretches in described burner hearth by described specimen holder passage, its
On be placed with crucible, be provided with furnace temperature thermocouple in it；
Described sampling probe includes probe casing and probe cap, and described probe casing is arranged on described bell, bottom it
Through described bell and stretch in described burner hearth, its top is connected with described probe cap；
Described heat-insulating cover is contained in the outside of described probe cap, and is arranged on described bell, is provided with ultrafine-hair in it
Tubule, this ultrafine-hair tubule inserts from the top of described insulating tube, stretches into described probe cap and probe casing successively, and extend to
In described crucible.
As it is further preferred that described specimen holder includes base and support bar, described support bar is existed by floor installation
On described electronic balance, and stretching in described burner hearth by described specimen holder passage, this support bar is hollow-core construction, sets in the middle of it
Being equipped with the furnace temperature thermocouple passage for disposing described furnace temperature thermocouple, its underpart side opening is provided with for by described furnace temperature thermoelectricity
The hole that even holding wire is drawn.
As it is further preferred that be disposed with sealing ring between described base and top, balance room, by regulating described electricity
The height of sub-balance, makes this sealing ring just contact with the top of described balance room, prevents gas from escaping from described specimen holder passage
Go out.
As it is further preferred that described probe casing is hollow structure, its top is disc, symmetrical in this disc
Being provided with two positioning through hole, the inside of its underpart is provided with an internal diameter section of reducing, and the internal diameter of this internal diameter section of reducing is 1mm.
As it is further preferred that the two ends of described probe cap offer macropore, its center offers and two ends macropore phase
Aperture even, the aperture of this aperture is 1mm, and the macropore of described probe cap lower end is by the top phase of screw thread with described probe casing
Even, being provided with rubber stopper in the macropore of its upper end, the center of described rubber stopper has superfine aperture, the aperture of this superfine aperture with
The external diameter of described ultrafine-hair tubule is consistent.
As it is further preferred that described ultrafine-hair tubule is made up of high temperature resistant quartz material, its external diameter is 0.2mm, interior
Footpath is 0.05mm.
As it is further preferred that described insulating tube include a union joint, No. two union joints, heating tape, stereoplasm tube and
Insulating tube temperature-adjusting device, described heating tape is wrapped on described stereoplasm tube, and the two ends of the stereoplasm tube being wound with heating tape are divided
It is not inserted in a described union joint and No. two union joints and is fixed；Described insulating tube temperature-adjusting device includes insulating tube
Thermocouple and insulating tube thermoregulator, described insulating tube thermocouple is inserted between described stereoplasm tube and heating tape, its signal
Line is connected with described insulating tube thermoregulator.
As it is further preferred that the lower end of a described union joint is disc structure, this disc structure is symmetrical arranged
Having two positioning through hole, the two ends of the inside of a described union joint is cavity structure, and centre is provided with baffle plate, described baffle plate
It is provided centrally with connecting the circular hole of two ends cavity structure；Described No. two union joints are cavity structure, being provided centrally with of its top
Aperture.
As it is further preferred that described original position quick sampling thermogravimetric analyzer also includes temperature conditioning, this furnace temperature
Adjusting means includes furnace temperature actuator, and this furnace temperature actuator is connected with the furnace temperature thermocouple being located within specimen holder.
As it is further preferred that described original position quick sampling thermogravimetric analyzer also includes data analysis set-up, these data
Analytical equipment includes data line and computer, and described data line is by described electronic balance, furnace temperature actuator and insulation
Pipe thermoregulator is connected with described computer.
In general, by the contemplated above technical scheme of this utility model compared with prior art, mainly possess with
Under technological merit:
Ultra-fine capillary probe the most of the present utility model extend into inside burner hearth, directly carries out locating in reactant 5mm
In situ sampling, extracts out gaseous product at reaction-ure surface, it is achieved the collection of product gas, reduces gas to the full extent
The diffusion impact on gas concentration measurement.
2. this utility model reduces the gaseous product time from generation to gas detection cell, and wherein gas is in ultra-fine capillary
In pipe, residence time is extremely short, only 15 milliseconds, restrained effectively the generation of secondary response.
3. this utility model is by arranging insulating tube, can effectively ensure that ultrafine-hair capillary temperature, more than 200 degrees Celsius, is prevented
Stop divides gaseous product to condense in transportation, blocks capillary tube.
Gaseous product the most of the present utility model is derived by ultrafine-hair tubule, can easily with other gas analysers
Sample channel is attached, and has stronger versatility, during thermogravimetric analyzer and the combination of other gas analysers can be realized,
Gaseous product in thermogravimetric analyzer carried out in situ sampling and is rapidly feeding gas analyser, being greatly improved analysis result
Verity and accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model quick sampling thermogravimetric analyzer in situ；
Fig. 2 (a)-(b) is sectional view and the top view of bell；
Fig. 3 is the structural representation of specimen holder；
Fig. 4 (a)-(b) is sectional view and the top view of probe casing；
Fig. 5 is the sectional view of probe cap and rubber stopper；
Fig. 6 is the structural representation of insulating tube；
Fig. 7 is the sectional view of a union joint；
Fig. 8 is the sectional view of No. two union joints.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.Additionally, institute in each embodiment of this utility model disclosed below
Just can be mutually combined as long as the technical characteristic related to does not constitutes conflict each other.
As it is shown in figure 1, a kind of quick sampling thermogravimetric analyzer in situ that this utility model embodiment provides, it mainly includes
Workbench 1, heating furnace 2, electronic balance 3, specimen holder 4, sampling probe 5 and insulating tube 6, wherein, workbench 1 is as supporting part
Part, for other each parts of installation settings, heating furnace 2 is for heating laboratory sample, and specimen holder 4 is used for supporting sample,
Electronic balance 3 weighs example weight in real time, and sampling probe 5 sends into gas analyser for being extracted out by gaseous product, insulation
Pipe 6 is used for carrying gaseous product and being incubated.By cooperating of above-mentioned all parts, laboratory sample weight can be realized gentle
The real-time synchronization of body production concentration is measured, and has that measurement accuracy is high, be applicable to easy coagulability atmosphere, easy to operate, structure is simple
The advantages such as list.
As it is shown in figure 1, workbench 1 includes that support rim 1-1 and balance room 1-2, this support rim 1-1 are arranged on described sky
On flat room 1-2, offering the specimen holder passage 1-1C connected with described balance room 1-2 in the middle part of it, 1-2 indoor, described balance room set
It is equipped with electronic balance 3.Concrete, support rim 1-1 is two-stage round boss formula structure, and subordinate's boss 1-1A diameter is more than higher level
Boss 1-1B diameter, balance room 1-2 is cuboid formula cavity structure；Specimen holder passage 1-1C is circular, specimen holder passage 1-1C
One end is positioned at higher level boss 1-1B upper surface, and the other end is through to balance room 1-2；It is additionally provided with as gas inside support rim 1-1
The circular channel of paths, gas channels is L-type, and internal diameter is 4mm, and gas channels air inlet 1-1D is in the side of subordinate boss 1-1A
Face, gas channels exports in the upper surface of higher level boss 1-1B, and air inlet 1-1D is set to convex type ozzle shape, and ozzle external diameter is
5mm, a length of 30mm.
As it is shown in figure 1, heating furnace 2 is vertical tubular furnace, including burner hearth 2-1 and bell 2-2, the top of described burner hearth 2-1
Be equipped with for example, circular opening with bottom, this its be arranged on described support rim 1-1 by the opening of bottom, its top
Opening closed by described bell 2-2.Concrete, the circular open diameter of burner hearth 2-1 bottom and higher level boss 1-1B
Diameter consistent, burner hearth 2-1 is placed on the upper surface of subordinate boss 1-1A, and burner hearth 2-1 upper surface is provided with venthole 2-3,
Venthole 2-3 is positioned at by bell 2-2, and the internal diameter of venthole 2-3 is 4mm, and external diameter is 5mm.Concrete, as in figure 2 it is shown, bell 2-
The center, upper surface of 2 is provided with circular concave station, and the bottom surface of circular concave station is symmetrically arranged with two screw 2-2A, and the degree of depth is 10mm,
The center of circular concave station is provided with circular channel, as sampling probe passage 2-2B.
As it is shown in figure 1, electronic balance 3 is placed in described balance room 1-2, the bottom of electronic balance 3 is provided with four regulations
Foot 3-1, can be finely adjusted the height of balance by adjusting regulation foot 3-1, and make electronic balance 3 holding level.
As it is shown in figure 1, specimen holder 4 is arranged on described electronic balance 3, and stretch into institute by described specimen holder passage 1-1C
State in burner hearth 2-1, it is placed with crucible 4-2B, in it, be provided with furnace temperature thermocouple 7-1.Concrete, as it is shown on figure 3, sample
Frame 4 includes that base 4-1 and support bar 4-2, support bar 4-2 are hollow-core construction, and the diameter of support bar 4-2 is equal to specimen holder passage 1-
1C, the centre of support bar 4-2 is provided with furnace temperature thermocouple passage 4-2A, is used for disposing furnace temperature thermocouple 7-1, described support bar 4-
2 stretch in burner hearth 2-1 by the specimen holder passage 1-1C in described support rim 1-1, and crucible 4-2B is placed on support bar 4-2
On, support bar 4-2 lower side has aperture, makes furnace temperature thermocouple 7-1 holding wire draw, and support bar 4-2 bottom is inserted into the end
Seat 4-1 centre bore is fixed；Described base 4-1 is arranged on electronic balance 3, between described base 4-1 and 1-2 top, balance room
It is disposed with sealing ring 4-3, by regulating the height of electronic balance 3, makes sealing ring 4-3 just contact with 1-2 top, balance room, anti-
Only gas escapes from specimen holder passage 1-1C.
As it is shown in figure 1, sampling probe 5 includes that probe casing 5-1 and probe cap 5-2, described probe casing 5-1 are arranged on stove
On lid 2-2, passing described bell 2-2 and stretch in described burner hearth 2-1 bottom it, its top is connected with described probe cap 5-2, its
It is made up of stainless steel.As shown in Figure 4, probe casing 5-1 is hollow structure, and its top is disc-shaped structure, and disc is tied
The diameter of structure is consistent with the diameter of bell 2-2 circle concave station, and this disc-shaped structure is symmetrically arranged with two positioning through hole 5-1A,
The inside of its underpart is provided with the internal diameter section of a reducing 5-1B, and the internal diameter of this internal diameter section of reducing 5-1B is 1mm.
As it is shown in figure 5, the two ends of probe cap 5-2 offer macropore, its center offers the aperture being connected with two ends macropore,
The aperture of this aperture is 1mm, and the macropore of described probe cap 5-2 lower end is connected, on it with the top of probe casing 5-1 by screw thread
Being provided with rubber stopper 5-3 in the macropore of end, the center of this rubber stopper 5-3 has superfine aperture, the aperture of this superfine aperture and institute
The external diameter stating ultrafine-hair tubule 5-4 is consistent.Concrete, ultrafine-hair tubule 5-4 is high temperature resistant quartz material, a length of 1.5m, root
May select different length according to practical situation, its internal diameter is 0.05mm, and external diameter is 0.2mm, and ultrafine-hair tubule 5-4 has toughness, can
With slight curving.
As it is shown in figure 1, insulating tube 6 is sleeved on the outside of probe casing 5-1, and it is arranged on bell 2-2, is provided with in it
Ultrafine-hair tubule 5-4, this ultrafine-hair tubule 5-4 insert from one end of described insulating tube 6, stretch into rubber stopper 5-3, probe cap successively
In 5-2 and probe casing 5-1, and extend in described crucible 4-2B.
As shown in Figure 6, insulating tube 6 includes a union joint 6-1, No. two union joint 6-2, heating tape 6-3, stereoplasm tube 6-4
With insulating tube temperature-adjusting device 6-5, the length of insulating tube determines according to the length of ultrafine-hair tubule, and heating tape 6-3 is nickel
Evanohm material, stereoplasm tube 6-4 is politef material, and heating tape 6-3 is wrapped on described stereoplasm tube 6-4, is wound with and adds
The two ends of the stereoplasm tube in the torrid zone are inserted respectively in a described union joint 6-1 and No. two union joint 6-2 and are fixed；Described guarantor
Temperature pipe temperature-adjusting device 6-5 includes insulating tube thermocouple 6-5A and insulating tube thermoregulator 6-5B, insulating tube thermocouple 6-
5A is inserted between stereoplasm tube 6-4 and heating tape 6-3, and its holding wire is connected with insulating tube thermoregulator 6-5B, insulating tube temperature
Degree actuator 6-5B, according to insulating tube thermocouple 6-5A signal and the difference of set temperature value, forms feedback signal, regulation heating
With the power of 6-3, make insulating tube thermocouple 6-5A signal stabilization in set temperature value.
Concrete, ultrafine-hair tubule 5-4 stretches into stereoplasm tube 6-4 from a union joint 6-1, then at No. two union joint 6-2
Stretching out, be then inserted into rubber stopper 5-3, probe cap 5-2 and the inside of probe casing 5-1, ultrafine-hair tubule 5-4 passes through probe
The centre bore of the sleeve pipe 5-1 lower inner diameter section of reducing 5-1B and probe cap 5-2 carries out radially positioning, and is carried out by rubber stopper 5-3
Axially location, by adjusting the axial location of ultrafine-hair tubule 5-4, makes ultrafine-hair tubule 5-4 porch be positioned at crucible 4-2B's
Surface, at the reactant 5mm in crucible 4-2B.
As it is shown in fig. 7, the lower end of a union joint 6-1 is disc structure, this disc structure is symmetrically arranged with two and determines
Position through hole 6-1B, the two ends of the inside of a described union joint 6-1 are cavity structure, and centre is provided with baffle plate 6-1A, described gear
Plate 6-1A is provided centrally with connecting the circular hole of two ends cavity structure.As shown in Figure 8, No. two union joint 6-2 are cavity structure, its
Top be provided centrally with aperture.
As it is shown in figure 1, union joint 6-1, a probe casing 5-1 and bell 2-2 are positioned by through hole and screw 2-2A
Bolt 6-6 is attached, and the upper and lower side of a union joint 6-1 disc structure is provided with location nut 6-7, by location nut 6-
Distance between a number union joint 6-1 and probe casing 5-1 can be finely adjusted by 7.
Further, original position quick sampling thermogravimetric analyzer of the present utility model is additionally provided with temperature conditioning 7, this stove
Temperature adjusting means 7 includes furnace temperature actuator 7-2, this furnace temperature actuator 7-2 and the furnace temperature thermocouple 7-1 being located within specimen holder 4
Being connected, wherein, furnace temperature thermocouple 7-1 thermometric end is at specimen holder 4 top, and furnace temperature thermocouple 7-1 holding wire is from support bar 4-2 opening
Deriving and be connected with furnace temperature actuator 7-2, furnace temperature actuator 7-2 is according to the signal of furnace temperature thermocouple 7-1 and setting heating schedule temperature
The difference of degree, forms feedback signal, regulates burner hearth heating power, makes furnace temperature thermocouple 7-1 signal meet setting heating schedule temperature
Degree.Described original position quick sampling thermogravimetric analyzer also includes data analysis set-up 8, and this data analysis set-up 8 includes that data are transmitted
Described electronic balance 3, furnace temperature actuator 7-2 and insulating tube temperature are adjusted by line 8-1 and computer 8-2, described data line 8-1
Joint device 6-5B be connected with described computer 8-2, with by the weight signal of electronic balance 3, the furnace temperature signal of furnace temperature actuator 7-2 and
The insulating tube temperature signal of insulating tube thermoregulator 6-5B is transferred to computer 8-2, computer 8-2 to be carried out weight and temperature data
Collection analysis, and the calibration zeroing program controlling electronic balance 3 realizes the regulation of electronic balance, and control heating furnace 2 and protect
The temperature of temperature pipe 6, concrete control and regulation mode can use conventional regulative mode to carry out, not repeat them here.
During use, can by the ultrafine-hair tubule 5-4 in original position quick sampling thermogravimetric analyzer of the present utility model and other
The sample channel of gas analyser (such as gas chromatograph, the infrared transform spectrometer of Fourier, flue gas analyzer) connects, it is achieved
Combination with gas analyser.
As it will be easily appreciated by one skilled in the art that and the foregoing is only preferred embodiment of the present utility model, not
In order to limit this utility model, all any amendment, equivalents made within spirit of the present utility model and principle and changing
Enter, within should be included in protection domain of the present utility model.
Claims (10)
1. an original position quick sampling thermogravimetric analyzer, it is characterised in that include workbench (1), heating furnace (2), specimen holder
(4), sampling probe (5) and insulating tube (6), wherein:
Described workbench (1) includes support rim (1-1) and balance room (1-2), and this support rim (1-1) is arranged on described balance
On room (1-2), in the middle part of it, offer the specimen holder passage (1-1C) connected with described balance room (1-2), described balance room (1-2)
Indoor are provided with electronic balance (3)；
Described heating furnace (2) includes burner hearth (2-1) and bell (2-2), and the upper and lower of described burner hearth (2-1) is equipped with out
Mouthful, it is arranged on described support rim (1-1) by the opening of bottom, and the opening on its top is entered by described bell (2-2)
Row is closed；
Described specimen holder (4) is arranged on described electronic balance (3), and stretches into described stove by described specimen holder passage (1-1C)
In thorax (2-1), it is placed with crucible (4-2B), in it, is provided with furnace temperature thermocouple (7-1)；
Described sampling probe (5) includes probe casing (5-1) and probe cap (5-2), and described probe casing (5-1) is arranged on described
On bell (2-2), pass described bell (2-2) bottom it and stretch in described burner hearth (2-1), its top and described probe cap
(5-2) it is connected；
Described insulating tube (6) is sleeved on the outside of described probe cap (5-2), and is arranged on described bell (2-2), arranges in it
Having ultrafine-hair tubule (5-4), this ultrafine-hair tubule (5-4) inserts from the top of described insulating tube (6), stretches into described probe successively
Cap (5-2) and probe casing (5-1), and extend in described crucible (4-2B).
2. quick sampling thermogravimetric analyzer in situ as claimed in claim 1, it is characterised in that described specimen holder (4) includes the end
Seat (4-1) and support bar (4-2), described support bar (4-2) is arranged on described electronic balance (3) by base (4-1), and leads to
Crossing described specimen holder passage (1-1C) and stretch in described burner hearth (2-1), this support bar (4-2) is hollow-core construction, arranges in the middle of it
Having furnace temperature thermocouple passage (4-2A) for disposing described furnace temperature thermocouple (7-1), its underpart side opening is provided with for by institute
State the hole that the holding wire of furnace temperature thermocouple (7-1) is drawn.
3. quick sampling thermogravimetric analyzer in situ as claimed in claim 2, it is characterised in that described base (4-1) and balance
It is disposed with sealing ring (4-3) between room (1-2) top, by regulating the height of described electronic balance (3), makes this sealing ring (4-
3) top with described balance room (1-2) just contacts, and prevents gas from escaping from described specimen holder passage (1-1C).
4. quick sampling thermogravimetric analyzer in situ as claimed in claim 3, it is characterised in that described probe casing (5-1) is
Hollow structure, its top is disc, and this disc is symmetrically arranged with two positioning through hole (5-1A), and the inside of its underpart sets
Having an internal diameter section of reducing (5-1B), the internal diameter of this internal diameter section of reducing (5-1B) more than the external diameter of described ultrafine-hair tubule (5-4) is
1mm。
5. quick sampling thermogravimetric analyzer in situ as claimed in claim 4, it is characterised in that the two of described probe cap (5-2)
End offers macropore, and its center offers the aperture being connected with two ends macropore, and the aperture of this aperture is 1mm, described probe cap (5-
2) macropore of lower end is connected with the top of described probe casing (5-1) by screw thread, is provided with rubber stopper in the macropore of its upper end
(5-3), the center of described rubber stopper (5-3) has superfine aperture, the aperture of this superfine aperture and described ultrafine-hair tubule (5-4)
External diameter consistent.
6. quick sampling thermogravimetric analyzer in situ as claimed in claim 5, it is characterised in that described ultrafine-hair tubule (5-4)
Being made up of high temperature resistant quartz material, its external diameter is 0.2mm, and internal diameter is 0.05mm.
7. quick sampling thermogravimetric analyzer in situ as claimed in claim 6, it is characterised in that described insulating tube (6) includes
Number union joint (6-1), No. two union joints (6-2), heating tape (6-3), stereoplasm tube (6-4) and insulating tube temperature-adjusting device (6-
5), described heating tape (6-3) is wrapped on described stereoplasm tube (6-4), and the two ends of the stereoplasm tube being wound with heating tape are inserted respectively
It is fixed in a described union joint (6-1) and No. two union joints (6-2)；Described insulating tube temperature-adjusting device (6-5)
Including insulating tube thermocouple (6-5A) and insulating tube thermoregulator (6-5B), described insulating tube thermocouple (6-5A) is inserted into institute
Stating between stereoplasm tube (6-4) and heating tape (6-3), its holding wire is connected with described insulating tube thermoregulator (6-5B).
8. quick sampling thermogravimetric analyzer in situ as claimed in claim 7, it is characterised in that a described union joint (6-1)
Lower end be disc structure, this disc structure is symmetrically arranged with two positioning through hole (6-1B), a described union joint (6-1)
The two ends of inside be cavity structure, centre is provided with baffle plate (6-1A), and being provided centrally with of described baffle plate (6-1A) connects two
The circular hole of end cavity structure；Described No. two union joints (6-2) are cavity structure, its top be provided centrally with aperture.
9. quick sampling thermogravimetric analyzer in situ as claimed in claim 8, it is characterised in that described original position quick sampling thermogravimetric
Analyser also includes that temperature conditioning (7), this temperature conditioning (7) include furnace temperature actuator (7-2), this furnace temperature actuator
(7-2) the furnace temperature thermocouple (7-1) internal with being located at specimen holder (4) is connected.
10. quick sampling thermogravimetric analyzer in situ as claimed in claim 9, it is characterised in that described original position quick sampling heat
Weight analysis instrument also includes that data analysis set-up (8), this data analysis set-up (8) include data line (8-1) and computer (8-
2), described data line (8-1) is by described electronic balance (3), furnace temperature actuator (7-2) and insulating tube thermoregulator
(6-5B) it is connected with described computer (8-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620613897.XU CN205691449U (en) | 2016-06-20 | 2016-06-20 | A kind of quick sampling thermogravimetric analyzer in situ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620613897.XU CN205691449U (en) | 2016-06-20 | 2016-06-20 | A kind of quick sampling thermogravimetric analyzer in situ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691449U true CN205691449U (en) | 2016-11-16 |
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| CN201620613897.XU Expired - Fee Related CN205691449U (en) | 2016-06-20 | 2016-06-20 | A kind of quick sampling thermogravimetric analyzer in situ |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2018149208A1 (en) * | 2017-02-14 | 2018-08-23 | 华中科技大学 | Thermogravimetric analyser with rapid temperature rise |
| TWI687694B (en) * | 2017-10-19 | 2020-03-11 | 日商日本麥克隆尼股份有限公司 | Electrical connecting device |
| CN114739857A (en) * | 2022-04-24 | 2022-07-12 | 华中科技大学 | Automatic thermal weightlessness detection device |
| CN115855737A (en) * | 2023-02-28 | 2023-03-28 | 国网辽宁省电力有限公司 | Insulating material thermal gravimetric analyzer |
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2016
- 2016-06-20 CN CN201620613897.XU patent/CN205691449U/en not_active Expired - Fee Related
Cited By (8)
| 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 |
| TWI687694B (en) * | 2017-10-19 | 2020-03-11 | 日商日本麥克隆尼股份有限公司 | Electrical connecting device |
| 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 |
| WO2019109381A1 (en) * | 2017-12-08 | 2019-06-13 | 中国科学院广州能源研究所 | Rapid heating wide range thermogravimetric analyzer |
| CN114739857A (en) * | 2022-04-24 | 2022-07-12 | 华中科技大学 | Automatic thermal weightlessness detection device |
| CN114739857B (en) * | 2022-04-24 | 2024-05-24 | 华中科技大学 | Automatic thermal weight loss detection device |
| CN115855737A (en) * | 2023-02-28 | 2023-03-28 | 国网辽宁省电力有限公司 | Insulating material thermal gravimetric analyzer |
| CN115855737B (en) * | 2023-02-28 | 2023-04-28 | 国网辽宁省电力有限公司 | Insulating material thermogravimetric analyzer |
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