CN108445041A - A kind of microwave-heating sludge thermogravimetric analysis device and method - Google Patents
A kind of microwave-heating sludge thermogravimetric analysis device and method Download PDFInfo
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- CN108445041A CN108445041A CN201810344259.6A CN201810344259A CN108445041A CN 108445041 A CN108445041 A CN 108445041A CN 201810344259 A CN201810344259 A CN 201810344259A CN 108445041 A CN108445041 A CN 108445041A
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- 239000010802 sludge Substances 0.000 title claims abstract description 38
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000002411 thermogravimetry Methods 0.000 title abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000010453 quartz Substances 0.000 claims abstract description 66
- 239000000523 sample Substances 0.000 claims abstract description 37
- 238000005303 weighing Methods 0.000 claims abstract description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000005855 radiation Effects 0.000 claims abstract description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 13
- 210000005239 tubule Anatomy 0.000 claims abstract description 13
- 238000004458 analytical method Methods 0.000 claims description 22
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002411 adverse Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000016261 weight loss Diseases 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
A kind of microwave-heating sludge thermogravimetric analysis device and method, device：Microwave cavity both sides are microwave magnetron；Infrared temperature probe is located at right over quartz beaker, and infrared radiation thermometer is connect with computer；Quartzy tubule feeds the nitrogen in nitrogen cylinder in the quartz beaker being located in microwave cavity；The upper end for installing the quartz holder on online weighing balance is stretched into Support Channel, and supports quartz beaker；Online weighing balance is connect with computer；Metallic shield snare is located at outside quartz holder；Method：Quartz beaker mud sample being fitted into microwave cavity；Nitrogen is fed into quartz beaker by quartzy tubule；Microwave cavity is heated using microwave magnetron；Obtain temperature and qualitative data in real time by computer；The device can prevent microwave from leakage, moreover it is possible to improve the measurement accuracy of sample temperature and prevent that, to heating the adverse effect of sample, the measurement accuracy of sample temperature can be improved；This method can be measured accurately and acquire the quality and temperature of sample in real time.
Description
Technical field
The present invention relates to a kind of sludge treatment equipment and method, specifically a kind of microwave-heating sludge Thermgravimetric Analysis Apparatus and
Method belongs to technical field of sludge treatment.
Background technology
Sludge is the accessory products of water process, and processing method of disposal mainly has landfill, agricultural, compost, burning, pyrolysis etc..
Wherein pyrolysis treating method can realize the innoxious and volume reduction decrement of sludge, and can obtain beneficial byproduct, such as gas and
Oil, product residue can be further improved to be utilized as activated carbon.
Microwave-heating sludge technology is the sludge disposal technology of fast development in recent years, because it is compared with conventional electrical heating,
The advantage rapid with heating, homogeneous heating, product qualities are good, thus receive significant attention.
Heating and weight-loss of the sludge in microwave pyrolytic process are to study the basis of microwave-heating sludge, are heated up
It is of great significance to exploitation specific resistance to filtration equipment with weight-loss.At present, the thermogravimetric analysis of microwave heating exists as follows
It needs to overcome the problems, such as：1) microwave is easy leakage, not only causes damages to ambient enviroment and operating personnel, but also the microwave revealed
Precise weighing balance can be impacted；2) temperature of sample is difficult to measure in microwave pyrolytic process, is directly connect using thermocouple
The method of touching, which measures, to influence the accuracy measured heating sample temperature because microwave is on the effect of thermocouple.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of microwave-heating sludge Thermgravimetric Analysis Apparatus and sides
Method, the device can prevent microwave from leakage, moreover it is possible to improve the measurement accuracy of sample temperature and prevent the unfavorable shadow to heating sample
It rings；This method can accurately measure and acquire in real time the quality and temperature of sample, be suitble to carry out using microwave as heating source dirty
Mud is pyrolyzed and the research of gasification.
To achieve the goals above, the present invention provides a kind of microwave-heating sludge Thermgravimetric Analysis Apparatus, including micro-wave oven,
Line is weighed balance, quartz holder, quartz beaker, metallic shield circle, quartzy tubule, infrared radiation thermometer and computer；
The micro-wave oven is fixed at the top of online weighing balance；Microwave oven internal is micro- with microwave cavity and two
Wave magnetron, two microwave magnetrons are fixedly connected on the left and right sides of microwave cavity；It is vertical to be provided in microwave oven internal
Support Channel, Support Channel longitudinally run through microwave cavity, and the upper end of Support Channel, lower end be respectively communicated with microwave furnace upper end,
The outside of lower end；
The quartz holder is arranged in Support Channel, and the lower end branch of quartz holder is located at the top of online weighing balance,
The upper end of quartz holder is extend into inside microwave cavity；The quartz beaker is placed in microwave cavity, and is propped up and be located at quartz holder
Upper end；
The metallic shield snare is located at the outside of quartz holder, and is fixedly connected with the lower end of Support Channel；
Described quartzy tubule one end connects nitrogen cylinder, and the other end is penetrated by the upper end of Support Channel and extend into quartzy burning
Top inside cup；
The infrared radiation thermometer is connected with infrared temperature probe, and infrared temperature probe fixes branch and is being located at quartz beaker just
Top, the computer respectively with infrared radiation thermometer and online weighing day flushconnection.
The present invention will be visited by the infrared temperature probe that is arranged above in beaker top Sludge Surface, infrared temperature probe
The temperature data of the pyrolyzing sludge process measured is real-time transmitted to computer by infrared radiation thermometer, temperature probe and mud sample it
Between be not present any barrier, the accuracy of thermometric is also improved while thermometric facilitates；In the day of weighing of microwave device and bottom
Metallic shield circle is set between flat, effectively reduces influence of the microwave radiation to precise weighing balance；Beaker, holder and atmosphere
Protection pipe is all made of quartz glass making, reduces the interference to microwave reaction field；Online weighing balance is connect with computer, it can
The weight data of transmission pyrolyzing sludge process in real time, data supporting is provided for microwave-heating sludge thermogravimetric analysis.
Further, it is the stability for ensureing the quartz holder and good support performance, the quartz holder master
Will by be located at top and bottom two circular platforms and connection two circular platforms between support bar group at.
Further, in order to avoid the loss of heat, the microwave cavity is located at the furnace body center of micro-wave oven, micro-wave oven
Surrounding outside chamber is covered with silica wool insulating layer.
Further, it assembles for convenience, the metallic shield circle is by the identical two semicircular ring groups of shape and structure
It closes.
Further, it is endangered caused by ambient enviroment and operator to reduce microwave, the furnace body of the micro-wave oven
Outside is additionally provided with cover body.
Further, in order to ensure the precision of experimental data, the microwave magnetron power is continuously adjustable for 800W, frequency
Rate 2.45GHz；The range of the infrared radiation thermometer is -50 DEG C~975 DEG C, and precision is ± 1 DEG C.
Further, the quartz beaker is cylinder, internal diameter 40mm, high 80mm；The size of the microwave cavity
For 100mm*100mm*100mm；The circular platform of upper and lower part is respectively φ 40mm and φ 100mm；The Support Channel is
The cylindrical channel of φ 60mm；The internal diameter of the metallic shield circle is 20mm, outer diameter 100mm, thickness 2mm.
Further, in order to ensure measurement accuracy, the maximum range of the online weighing balance is 4200g, and precision is
0.01g。
The present invention also provides a kind of analysis methods of microwave-heating sludge Thermgravimetric Analysis Apparatus, include the following steps：
Step 1：Wet mud sample is loaded into quartz beaker, and passes through Support Channel to burn quartz using quartz holder
Cup branch is located in microwave cavity；
Step 2：The nitrogen in nitrogen cylinder is fed in quartz beaker by quartzy tubule, to ensure the inertia of pyrolyzing sludge
Atmosphere；
Step 3：Using two microwave magnetrons from opposite direction to microwave cavity microwave in heating chamber, by adjusting microwave
The power knob of magnetron adjusts the radiation intensity in microwave cavity；
Step 4：Infrared temperature probe and online weighing balance obtain the temperature and weight data of pyrolyzing sludge process in real time,
And the data of acquisition are transmitted in computer in real time.
As a preferred embodiment, 20 grams to 80 grams of wet mud sample is loaded into stone using analysis spoon in the step 1
English beaker.
This method, which can be effectively improved, to be carried out testing number in pyrolyzing sludge and gasification research process using microwave as heating source
According to accuracy, and the case where the quality and temperature of sample can be acquired in real time during the experiment, be conducive to scientifically analyze dirt
Mud pyrolytic process.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is a kind of structural schematic diagram of embodiment of metallic shield circle in the present invention；
Fig. 3 is the structural schematic diagram of another embodiment of metallic shield circle in the present invention.
In figure：1, infrared radiation thermometer, 2, infrared temperature probe, 3, nitrogen cylinder, 4, quartzy tubule, 5, computer, 6, micro-wave oven,
7, microwave cavity, 8, microwave magnetron, 9, quartz beaker, 10, quartz holder, 11, Support Channel, 12, metallic shield circle, 13,
Online weighing balance, 14, cover body.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of microwave-heating sludge Thermgravimetric Analysis Apparatus, including micro-wave oven 6, online weighing balance 13, stone
English holder 10, quartz beaker 9, metallic shield circle 12, quartzy tubule 4, infrared radiation thermometer 1 and computer 5；13 water of online weighing balance
Level land is placed, and fixed support, can be propped up and is located on ground or desktop or on workbench.
The micro-wave oven 6 is fixed at the top of online weighing balance 13；6 inside of micro-wave oven has 7 He of microwave cavity
Two microwave magnetrons 8, two microwave magnetrons 8 are fixedly connected on the left and right sides of microwave cavity 7；It is set inside micro-wave oven 6
It is equipped with vertical Support Channel 11, Support Channel 11 is longitudinal to run through microwave cavity 7, and the upper end of Support Channel 11, lower end difference
It is communicated to the outside of 6 upper end of micro-wave oven, lower end；Support Channel 11 positioned at 7 top of microwave cavity is used for the logical of quartzy tubule 4
It crosses, the penetrating for quartz holder 10 of Support Channel 11 positioned at 7 lower part of microwave cavity.
The quartz holder 10 is arranged in Support Channel 11, and the lower end branch of quartz holder 10 is located at online weighing balance 13
Top, the upper end of quartz holder 10 is extend into inside microwave cavity 7；The quartz beaker 9 is placed in microwave cavity 7, and is propped up
It is located at the upper end of quartz holder 10；
The metallic shield circle 12 is set in the outside of quartz holder 10, and fixes and connect with the lower end of Support Channel 11
It connects；The endoporus of metallic shield circle 12 is not in contact with quartz holder 10.
Described 4 one end of quartzy tubule connects nitrogen cylinder 3, and the other end is penetrated by the upper end of Support Channel 11 and extend into stone
Top inside English beaker 9；
The infrared radiation thermometer 1 is connected with infrared temperature probe 2, and infrared temperature probe 2 fixes branch and is located at quartz beaker 9
Surface, the computer 5 connect with infrared radiation thermometer 1 and online weighing balance 13 respectively.Infrared temperature probe 2 can be adopted
The surface of quartz beaker 9 is located at holder branch, and the mud sample that temperature zone faces downwards in quartz beaker 9 is outwardly set
It sets.
For the stability for ensureing the quartz holder and good support performance, the quartz holder 10 is mainly by dividing
Not positioned at top and bottom two circular platforms and connection two circular platforms between support bar group at.The circular flat on top
Platform is used to support quartz beaker 9, and the circular platform branch of lower part is located on the top table top of online weighing balance 13.
In order to avoid the loss of heat, the furnace body that the microwave cavity 7 is located at micro-wave oven 6 is central, outside microwave cavity 7
Surrounding be covered with silica wool insulating layer.
As shown in Fig. 2, metallic shield circle 12 can be made in trepanning among a circular metal plate, at this point, according to assembly
It needs, the internal diameter of the metallic shield circle 12 is not less than the diameter of the circular platform on the top of quartz holder 10, and is not more than
The diameter of the circular platform of the lower part of quartz holder 10.In order to be more convenient to assemble, as shown in figure 3, the metallic shield circle 12
It is composed of identical two semicircular rings of shape and structure；As a preferred embodiment, the material of the metallic shield circle 12 is iron,
So as to improve shield effectiveness.
It endangers caused by ambient enviroment and operator to reduce microwave, is also set outside the furnace body of the micro-wave oven 6
It is equipped with cover body 14, the material of cover body 14 is iron.
In order to ensure the precision of experimental data, 8 power of microwave magnetron is continuously adjustable for 800W, frequency
2.45GHz；The range of the infrared radiation thermometer 1 is -50 DEG C~975 DEG C, and precision is ± 1 DEG C.
The quartz beaker 9 is cylinder, internal diameter 40mm, high 80mm；The microwave cavity 7 is preferably that multimode declines
The size of wave stove furnace chamber, microwave cavity 7 is 100mm*100mm*100mm；The circular platform of upper and lower part is respectively φ 40mm
With φ 100mm；The Support Channel 11 is open for upper and lower side and the cylindrical channel of φ 60mm；The metallic shield circle 12 is adopted
With two fanning strips composition that subtended angle is 180 degree, 12 internal diameter of metallic shield circle is 20mm, outer diameter 100mm, thickness 2mm.
In order to ensure measurement accuracy, the maximum range of the online weighing balance 13 is 4200g, precision 0.01g.
A kind of analysis method of microwave-heating sludge Thermgravimetric Analysis Apparatus, includes the following steps：
Step 1：Wet mud sample is loaded into quartz beaker 9, and utilizes quartz holder 10 will across Support Channel 11
Quartz beaker 9 is located in microwave cavity 7；
Step 2：The nitrogen in nitrogen cylinder 3 is fed in quartz beaker 9 by quartzy tubule 4, is ensured in pyrolytic process
Inert atmosphere；
Step 3：Using two microwave magnetrons 8 from opposite direction to 7 microwave in heating chamber of microwave cavity, by adjusting micro-
The power knob of wave magnetron 8 adjusts the radiation intensity in microwave cavity 7；
Step 4：Infrared temperature probe 2 and online weighing balance 13 obtain the temperature and weight number of pyrolyzing sludge process in real time
According to, and the data of acquisition are transmitted in real time in computer 5, computer 5 can be preserved received data in case being exported.
20 grams to 80 grams of wet mud sample is loaded by quartz beaker 9 using analysis spoon in the step 1.
When work, by being arranged above infrared temperature probe 2, infrared measurement of temperature in 9 top Sludge Surface of quartz beaker
The temperature data of the pyrolyzing sludge process detected is real-time transmitted to computer 5 by probe 2 by infrared radiation thermometer 1, meanwhile, online
Balance 13 of weighing connects 5 with computer and connects, and can transmit the weight data of pyrolyzing sludge process in real time, computer 5 by the temperature received and
Weight data is stored, for analyzing.
Claims (9)
1. a kind of microwave-heating sludge Thermgravimetric Analysis Apparatus, including micro-wave oven (6) and online weighing balance (13), feature exists
In, further include quartz holder (10), quartz beaker (9), metallic shield circle (12), quartzy tubule (4), infrared radiation thermometer (1) and
Computer (5)；
The micro-wave oven (6) is fixed at the top of online weighing balance (13)；There is microwave cavity inside micro-wave oven (6)
(7) and two microwave magnetrons (8), two microwave magnetrons (8) are fixedly connected on the left and right sides of microwave cavity (7)；Micro-
Wave stove (6) is internally provided with vertical Support Channel (11), and Support Channel (11) longitudinally runs through microwave cavity (7), and holder is logical
Upper end, the lower end in road (11) are respectively communicated with the outside of micro-wave oven (6) upper end, lower end；
The quartz holder (10) is arranged in Support Channel (11), and the lower end branch of quartz holder (10) is located at online weighing balance
(13) upper end on top, quartz holder (10) extend into microwave cavity (7) inside；The quartz beaker (9) is placed in micro-wave oven
In chamber (7), and prop up the upper end for being located at quartz holder (10)；
The metallic shield circle (12) is set in the outside of quartz holder (10), and fixes and connect with the lower end of Support Channel (11)
It connects；
Quartzy tubule (4) one end connection nitrogen cylinder (3), the other end are penetrated and are extend by the upper end of Support Channel (11)
The internal top of quartz beaker (9)；
The infrared radiation thermometer (1) is connected with infrared temperature probe (2), and the fixed branch of infrared temperature probe (2) is located at quartzy burning
The surface of cup (9), the computer (5) are connect with infrared radiation thermometer (1) and online weighing balance (13) respectively.
2. a kind of microwave-heating sludge Thermgravimetric Analysis Apparatus according to claim 1, which is characterized in that the quartz branch
Frame (10) is mainly by being located at two circular platforms of top and bottom and connecting the support bar group between two circular platforms
At.
3. a kind of microwave-heating sludge Thermgravimetric Analysis Apparatus according to claim 1 or 2, which is characterized in that described is micro-
Wave furnace chamber (7) is located at the furnace body center of micro-wave oven (6), and the external surrounding of microwave cavity (7) is covered with silica wool insulating layer.
4. a kind of microwave-heating sludge Thermgravimetric Analysis Apparatus according to claim 3, which is characterized in that the metal screen
Circle (12) is covered to be composed of identical two semicircular rings of shape and structure.
5. a kind of microwave-heating sludge Thermgravimetric Analysis Apparatus according to claim 4, which is characterized in that the micro-wave oven
(6) cover body (14) is additionally provided with outside furnace body.
6. a kind of microwave-heating sludge Thermgravimetric Analysis Apparatus according to claim 5, which is characterized in that the microwave magnetic
Keyholed back plate (8) power is continuously adjustable for 800W, frequency 2.45GHz；The range of the infrared radiation thermometer (1) is -50 DEG C~975
DEG C, precision is ± 1 DEG C；The maximum range of the online weighing balance (13) is 4200g, precision 0.01g.
7. a kind of microwave-heating sludge Thermgravimetric Analysis Apparatus according to claim 6, which is characterized in that the quartz is burnt
Cup (9) is cylinder, internal diameter 40mm, high 80mm；The size of the microwave cavity (7) is 100mm*100mm*100mm；Quartz
The diameter of the circular platform of holder (10) upper and lower part is respectively 40mm and 100mm；The Support Channel (11) is diameter
The cylindrical channel of 60mm；The internal diameter of the metallic shield circle (12) is 20mm, outer diameter 100mm, thickness 2mm.
8. a kind of analysis method of microwave-heating sludge Thermgravimetric Analysis Apparatus, which is characterized in that include the following steps：
Step 1：Wet mud sample is loaded into quartz beaker (9), and Support Channel (11) is passed through using quartz holder (10)
Quartz beaker (9) branch is located in microwave cavity (7)；
Step 2：The nitrogen in nitrogen cylinder (3) is fed in quartz beaker (9) by quartzy tubule (4)；
Step 3：Using two microwave magnetrons (8) from opposite direction to microwave cavity (7) microwave in heating chamber, by adjusting micro-
The power knob of wave magnetron (8) adjusts the radiation intensity in microwave cavity (7)；
Step 4：Infrared temperature probe (2) and online weighing balance (13) obtain the temperature and weight number of pyrolyzing sludge process in real time
According to, and the data of acquisition are transmitted in real time in computer (5).
9. a kind of analysis method of microwave-heating sludge Thermgravimetric Analysis Apparatus according to claim 8, which is characterized in that institute
It states in step 1 and wet mud sample is loaded by quartz beaker (9) using analysis spoon, the weight range of wet mud sample is in 20g
To between 80g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344259.6A CN108445041A (en) | 2018-04-17 | 2018-04-17 | A kind of microwave-heating sludge thermogravimetric analysis device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344259.6A CN108445041A (en) | 2018-04-17 | 2018-04-17 | A kind of microwave-heating sludge thermogravimetric analysis device and method |
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| CN108445041A true CN108445041A (en) | 2018-08-24 |
Family
ID=63200171
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| CN201810344259.6A Pending CN108445041A (en) | 2018-04-17 | 2018-04-17 | A kind of microwave-heating sludge thermogravimetric analysis device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447500A (en) * | 2021-06-10 | 2021-09-28 | 山东大学 | High-temperature measuring device and method based on microwave-induced directional heating technology |
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2018
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| CN113447500B (en) * | 2021-06-10 | 2022-08-16 | 山东大学 | High-temperature measuring device and method based on microwave-induced directional heating technology |
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