CN105136620B - A kind of dust exothermic decomposition measure device and its application method - Google Patents
A kind of dust exothermic decomposition measure device and its application method Download PDFInfo
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- CN105136620B CN105136620B CN201510500977.4A CN201510500977A CN105136620B CN 105136620 B CN105136620 B CN 105136620B CN 201510500977 A CN201510500977 A CN 201510500977A CN 105136620 B CN105136620 B CN 105136620B
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- dust
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Abstract
The invention provides a kind of dust exothermic decomposition measure device and its application method, include the pressure-resistant reaction tank of two sealings, pressure-resistant reaction tank is cylindrical structural, and pressure-resistant reaction tank is made of the material of Hastelloy C alloys 4.The bottom of pressure-resistant reaction tank is arranged in heating arrangements, and heating arrangements are connected with temperature controller, and pressure sensor and thermocouple are provided with pressure-resistant reaction tank, and pressure sensor and thermocouple are all connected on master controller.The present invention can rapidly and accurately determine the exothermic decomposition situation of dust by the way of isothermal reaction experiment, have certain directive function for analysis on Explosion Accident caused by dust production, use, storage and dust.The pressure sensor that the dress centers can record the pressure change in whole test process, and compared with traditional calorimeter, the apparatus cost is low, simple in construction, easy to operate, and accuracy is good.
Description
Technical field
The present invention relates to dust exothermic decomposition to determine field, more particularly to a kind of dust exothermic decomposition determines device and its made
Use method.
Background technology
At present, have both at home and abroad and be related to dust in the production technology of a large amount of enterprises, and the combustion explosion accident as caused by dust
Happen occasionally, therefore determine the exothermic decomposition situation of dust, blast caused by the production, use, storage and dust for dust
Crash analysis has certain directive function.Now, widely used calorimeter assembly price is at least tens of thousands of ten on the market
To members up to a million, and the change of sample strain situation in course of reaction can not be recorded mostly, in the market does not have yet
Have the device of special dust exothermic decomposition measure, therefore, a kind of safe and reliable dust exothermic decomposition of design determine device into
The Important Problems paid close attention to for us.
The content of the invention
The first object of the present invention is to be directed to not having asking for special dust exothermic decomposition measure device in existing market
Topic, there is provided a kind of dust exothermic decomposition measure device and its application method.
The present invention uses following technical scheme：
A kind of dust exothermic decomposition determines device, includes the pressure-resistant reaction tank of two sealings, the bottom peace of pressure-resistant reaction tank
In heating arrangements, pressure sensor and thermocouple are provided with pressure-resistant reaction tank, pressure sensor and thermocouple are all connected with
Onto master controller.
Preferably, the pressure-resistant reaction tank is cylindrical structural, and pressure-resistant reaction tank is made of the material of Hastelloy C alloys -4.
Preferably, the heating arrangements are connected with temperature controller.
The second object of the present invention is to provide a kind of user of dust exothermic decomposition measure device described in more than one
Method.
A kind of application method of dust exothermic decomposition measure device, including：
Step 1：Testing sample is weighed to be put into one of them pressure-resistant reaction tank, in another pressure-resistant reaction tank place with
Then the graphite of testing sample equivalent weight is all put into pressure sensor and thermoelectricity as object of reference in two pressure-resistant reaction tanks
It is even, the top cover of pressure-resistant reaction tank is tightened using special spanner；
Step 2：By the initial temperature of temperature controller setting heating arrangements, the initial temperature in heating arrangements balances 10
After minute, two pressure-resistant reaction tanks are put into heating arrangements, open master controller, pressure and temperature of the master controller to sample
Change is recorded in real time, and temperature controller sets the heating rate of heating arrangements as 2.5k/min；
Step 3：Heating arrangements are heated, the pressure and temperature data variation in pressure-resistant reaction tank is observed, works as observation
After there is exothermic phenomenon in the pressure-resistant reaction tank equipped with sample, stop heating heating arrangements；
Step 4：The initial temperature for resetting heating arrangements is temperature when exothermic phenomenon occurring in step 3, pressure-resistant
After being refilled by sample in reaction tank, pressure-resistant reaction tank is put into progress isothermal reaction experiment in heating arrangements, if pressure-resistant reaction
Occur exothermic phenomenon in pond again, after the initial temperature of heating arrangements just is improved into 10 Kelvins, re-start isothermal reaction examination
Test, until sample occurs without exothermic phenomenon, record temperature change feelings at least more than 5 hours under a certain constant temperature in pressure-resistant reaction tank
The situation of change of condition and pressure；
Step 5：The exothermic decomposition situation of sample is judged according to the data obtained.
The invention has the advantages that：
Dust exothermic decomposition measure device provided by the invention and its application method, can fast and accurately determine dust
Exothermic decomposition situation, the pressure sensor that the dress centers can record the pressure change in whole test process, with tradition
Calorimeter compare, the apparatus cost is low, simple in construction, easy to operate, and accuracy is good.Pressure-resistant reaction tank in the device uses
The material of Hastelloy C alloys -4 is made, and has preferable high temperature resistant pressure-resistant corrosion-resistant performance.The present invention can fast and accurately determine dust
Exothermic decomposition situation, for analysis on Explosion Accident caused by dust production, use, storage and dust there is certain guidance to make
With.
Brief description of the drawings
Fig. 1 is the structural representation that dust exothermic decomposition determines device.
Embodiment
The present invention is specifically described below in conjunction with the accompanying drawings：
Embodiment 1
With reference to Fig. 1, a kind of dust exothermic decomposition determines device, includes the pressure-resistant reaction tank 1 of two sealings, pressure-resistant reaction tank
1 is cylindrical structural, and pressure-resistant reaction tank 1 is made of the material of Hastelloy C alloys -4, there is preferable high temperature resistant pressure-resistant corrosion-resistant
Energy.
The bottom of pressure-resistant reaction tank 1 is arranged in heating arrangements 2, and heating arrangements 2 are connected with temperature controller 6, pressure-resistant anti-
Answer and pressure sensor 3 and thermocouple 4 are provided with pond 1, pressure sensor 3 and thermocouple 4 are all connected on master controller 5.
Embodiment 2
A kind of application method of dust exothermic decomposition measure device described in above-described embodiment 1, including：
Step 1：Weigh 2 grams of samples to be determined to be put into one of them pressure-resistant reaction tank 1, in another pressure-resistant reaction tank
The graphite with testing sample equivalent weight is placed as object of reference, is then all put into pressure sensing in two pressure-resistant reaction tanks 1
Device 3 and thermocouple 4, the top cover of pressure-resistant reaction tank is tightened using special spanner；
Step 2：By the initial temperature of the setting heating arrangements 2 of temperature controller 6, the initial temperature in heating arrangements 2 is put down
Two pressure-resistant reaction tanks 1 are put into heating arrangements by weighing apparatus after 10 minutes, open master controller 5, pressure of the master controller to sample
Recorded in real time with temperature change, temperature controller 6 sets the heating rate of heating arrangements 2 as 2.5k/min；
Step 3：Heating arrangements 2 are heated, in pressure-resistant reaction tank 1 pressure and temperature data variation is observed, works as sight
Observe after there is exothermic phenomenon in the pressure-resistant reaction tank equipped with sample, stop heating heating arrangements 2.
Step 4：The initial temperature for resetting heating arrangements 2 is temperature when exothermic phenomenon occurring in step 3, pressure-resistant
After being refilled by sample in reaction tank 1, pressure-resistant reaction tank 1 is put into progress isothermal reaction experiment in heating arrangements 2, if pressure-resistant anti-
Occur exothermic phenomenon in Ying Chi again, after the initial temperature of heating arrangements just is improved into 10 Kelvins, re-start isothermal reaction
Experiment, until sample occurs without exothermic phenomenon, record temperature change at least more than 5 hours under a certain constant temperature in pressure-resistant reaction tank
The situation of change of situation and pressure；
Step 5：The exothermic decomposition situation of sample is judged according to the data obtained.
Dust exothermic decomposition measure device provided by the invention and its application method, can fast and accurately determine dust
Exothermic decomposition situation, for analysis on Explosion Accident caused by dust production, use, storage and dust there is certain guidance to make
With.The pressure sensor that the dress centers can record the pressure change in whole test process, with traditional calorimeter phase
Than the apparatus cost is low, simple in construction, easy to operate, and accuracy is good.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made in the essential scope of the present invention, it should also belong to the present invention's
Protection domain.
Claims (1)
1. a kind of application method of dust exothermic decomposition measure device, it is characterised in that the device seals pressure-resistant including two
Reaction tank, the bottom of pressure-resistant reaction tank are arranged in heating arrangements, and pressure sensor and thermocouple are provided with pressure-resistant reaction tank,
Pressure sensor and thermocouple are all connected on master controller；
The pressure-resistant reaction tank is cylindrical structural, and pressure-resistant reaction tank is made of the material of Hastelloy C alloys -4；
The heating arrangements are connected with temperature controller；
The dust exothermic decomposition determines the application method of device, including：
Step 1：Testing sample is weighed to be put into one of them pressure-resistant reaction tank, in another pressure-resistant reaction tank place with it is to be measured
Then the graphite of sample equivalent weight is all put into pressure sensor and thermocouple as object of reference in two pressure-resistant reaction tanks,
The top cover of pressure-resistant reaction tank is tightened using spanner；
Step 2：By the initial temperature of temperature controller setting heating arrangements, the initial temperature in heating arrangements balances 10 minutes
Afterwards, two pressure-resistant reaction tanks are put into heating arrangements, open master controller, pressure, temperature variation of the master controller to sample
Recorded in real time, temperature controller sets the heating rate of heating arrangements as 2.5k/min；
Step 3：Heating arrangements are heated, observe the pressure and temperature data variation in pressure-resistant reaction tank, are filled when observing
Have after there is exothermic phenomenon in the pressure-resistant reaction tank of sample, stop heating heating arrangements；
Step 4：The initial temperature for resetting heating arrangements is temperature when exothermic phenomenon occurring in step 3, in pressure-resistant reaction
After being refilled by sample in pond, pressure-resistant reaction tank is put into progress isothermal reaction experiment in heating arrangements, if in pressure-resistant reaction tank
Occur exothermic phenomenon again, after the initial temperature of heating arrangements just is improved into 10 Kelvins, re-start isothermal reaction experiment, directly
Sample occurs without exothermic phenomenon for more than 5 hours under a certain constant temperature in pressure-resistant reaction tank, records temperature variations and pressure
Situation of change；
Step 5：The exothermic decomposition situation of sample is judged according to the data obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510500977.4A CN105136620B (en) | 2015-08-14 | 2015-08-14 | A kind of dust exothermic decomposition measure device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510500977.4A CN105136620B (en) | 2015-08-14 | 2015-08-14 | A kind of dust exothermic decomposition measure device and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105136620A CN105136620A (en) | 2015-12-09 |
| CN105136620B true CN105136620B (en) | 2018-01-19 |
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| CN201510500977.4A Active CN105136620B (en) | 2015-08-14 | 2015-08-14 | A kind of dust exothermic decomposition measure device and its application method |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1244341A (en) * | 1968-03-22 | 1971-08-25 | Cobble Lab Company Ltd | Method and apparatus for simultaneously measuring the temperature and pressure of small amounts of a reaction mixture in vapour or liquid phase under pressure |
| DE2237736C2 (en) * | 1972-08-01 | 1973-12-20 | Frieseke & Hoepfner Gmbh, 8520 Erlangen | Device for measuring dust emissions from dust-carrying ducts, in particular chimneys |
| CN101576521B (en) * | 2009-06-10 | 2011-06-15 | 西安科技大学 | Device for testing explosion, spreading and explosion suppression characteristics of inflammable gas and dust |
| CN202903705U (en) * | 2012-11-20 | 2013-04-24 | 泸州北方化学工业有限公司 | Testing device for dynamic vacuum stability test |
| CN103439227B (en) * | 2013-09-09 | 2015-04-29 | 中国原子能科学研究院 | Liquid lithium lead compatibility static testing device |
| CN203465171U (en) * | 2013-09-09 | 2014-03-05 | 中国原子能科学研究院 | Static test device for liquid lithium lead compatibility |
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2015
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Effective date of registration: 20171221 Address after: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Applicant after: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd. Applicant after: Sinopec Corp. Address before: 100728 Chaoyangmen street, Beijing, No. 22, No. Applicant before: Sinopec Corp. Applicant before: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd. |
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