CN108088872A - A kind of coal combustion characteristics comprehensive measurement instrument - Google Patents
A kind of coal combustion characteristics comprehensive measurement instrument Download PDFInfo
- Publication number
- CN108088872A CN108088872A CN201611022948.2A CN201611022948A CN108088872A CN 108088872 A CN108088872 A CN 108088872A CN 201611022948 A CN201611022948 A CN 201611022948A CN 108088872 A CN108088872 A CN 108088872A
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- coal
- temperature
- measurement instrument
- combustion characteristics
- comprehensive measurement
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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
- G01N25/22—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 on combustion or catalytic oxidation, e.g. of components of gas mixtures
-
- 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
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
A kind of coal combustion characteristics comprehensive measurement instrument, it is made of combustion furnace, temperature controller, atmosphere atmospheric control, thermobalance, gas measurement instrument, microcomputer system, using ignition temperature, tail-off time and the Analysis Values of steady state measurement method measurement coal, data processing and analysis are carried out with computer, Basic Evaluation is made to coal quality, rationally to provide scientific basis with coal.
Description
Technical field
The present invention relates to a kind of coal combustion characteristics comprehensive measurement instrument, suitable for machinery field.
Background technology
Coal is a kind of important fossil fuel, and combustion characteristics is to evaluate the important indicator of its industrial value.Burning is a kind of
The complex process that physical and chemical reaction alternately occurs, combustion measurement content is very extensive, is related to temperature, pressure, flow velocity, gas
Ingredient (CO, CO2, other pernicious gases), unburned product component (ash content, fixed carbon) etc..Combustion characteristics measuring method has again
Static (or stable state) method and dynamic (or transition) method.Only it is difficult to complete to combustion characteristics by an instrument or a kind of method
Measurement comprehensively, and the pilot combustion channel investment specially designed is too big and inconvenient to use.
The content of the invention
The present invention proposes a kind of coal combustion characteristics comprehensive measurement instrument, by combustion furnace, temperature controller, atmosphere pneumatic control
System, thermobalance, gas measurement instrument, microcomputer system composition, using the ignition temperature of steady state measurement method measurement coal, after-flame
Time and Analysis Values carry out data processing and analysis with computer, Basic Evaluation are made to coal quality, rationally to be provided with coal
Scientific basis.
The technical solution adopted in the present invention is：
The coal combustion characteristics comprehensive measurement instrument by combustion furnace, temperature controller, atmosphere pneumatic controller, sample feed mechanism,
Thermobalance, gas measurement instrument and microcomputer system composition.
The gasmetry is using Japanese Shimadzu Shimadzu CGT-2A types CO/CO2Portable gas measuring instrument, remaining
It is self-control.
The combustion furnace uses electric tube furnace, is simulated by intelligence instrument and temperature controller (being made of silicon controlled module)
Working temperature, environment temperature when being tested as coal dust firing (temperature of dore furnace is at 850 DEG C or so in cement produced with the dry method production).
The tester uses temperature-control heat couple monitoring of environmental temperature, and measurement thermocouple detects the temperature in combustion process,
Coal sample is entered by feed mechanism or exits combustion furnace, atmosphere system can make in stove burning under the conditions of natural air or
Person is under excess oxygen.
The beneficial effects of the invention are as follows：The tester is by combustion furnace, temperature controller, atmosphere atmospheric control, hot day
Flat, gas measurement instrument, microcomputer system composition, using ignition temperature, tail-off time and the work of steady state measurement method measurement coal
Industry assay value carries out data processing and analysis with computer, Basic Evaluation is made to coal quality, for rationally with coal provide science according to
According to.
Description of the drawings
Fig. 1 is the coal combustion characteristics comprehensive measurement instrument composition frame chart of the present invention.
In figure：1. gas outlet；2. electric furnace；3. temperature-control heat couple；4. sample disc；5. temperature thermocouple；6. sample steady arm；
7. stent；8. multipurpose joint；9. cylinder；10. gas bomb.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Such as Fig. 1, the species and ingredient of coal are sufficiently complex.Burning of coal rule can not be described with a kind of mathematical relationship.
Therefore, generally by experimental method measure with the relevant data of coal combustion character, data are handled and are analyzed, are drawn
Approximate rule, the foundation of the quality as evaluation coal.
Coal combustion characteristics comprehensive measurement instrument by combustion furnace, temperature controller, atmosphere pneumatic controller, sample feed mechanism,
Thermobalance, gas measurement instrument and microcomputer system composition.Gasmetry is using Japanese Shimadzu Shimadzu CGT-2A types
CO/CO2Portable gas measuring instrument, remaining is self-control.
Combustion furnace uses electric tube furnace, and operating mode is simulated by intelligence instrument and temperature controller (being made of silicon controlled module)
Temperature, environment temperature when being tested as coal dust firing (temperature of dore furnace is at 850 DEG C or so in cement produced with the dry method production).Using
Temperature-control heat couple monitoring of environmental temperature, measurement thermocouple detect the temperature in combustion process.Coal sample by feed mechanism enter or
Exit combustion furnace.Atmosphere system can be such that burning in stove is under the conditions of natural air or under excess oxygen.Source of the gas makes
It is supplied with industrial steel cylinder.
The gas generated during burning enters gas measurement instrument by the gas outlet above combustion furnace, detects gas rapidly
Middle CO or CO2Concentration (V%), converted by A/D, input a signal into computer, carry out automatic data collection.
Environment temperature and ignition temperature input computer, logarithm by the RS-232 communication interfaces of temperature controller respectively
According to progress real-time automatic collecting.
Thermobalance is made of electric furnace, lifting platform mechanism, sample introduction mechanism, temperature controller, electronic balance, is used alone.
Temperature and Weight loss data input computer by RS-232 communications interface, realize automatic data collection.
It is special using burning temperature characteristic mensuration and burning thermogravimetric using two kinds of samples of coal dust (coal briquette) and coal tar during test
Two methods of property mensuration measure.
By Control for Kiln Temperature in 850 DEG C of temperature constant states, the sample after weighing is blown by electric furnace using pneumatic " one rotation of spray " mode,
It burns under suspended state, other operations are same as above.It is completed, equally can obtain temperature/time graph, CO2 concentration（V%）When
Half interval contour and corresponding data.If the air sprayed into is not preheated, cold air, which quickly enters, can influence environment temperature in stove, therefore should
Environment temperature is properly increased.Suspension combustion method is still among experiment.
Coal dust plus suitable quantity of water and mud are made coccoid, in 120 DEG C of drying, an aperture are made a call in centre after taking-up, size is answered
Thermocouple can be held.Coal briquette shape is made in sample, is conducive to burning fully, reduces the testing time.The character of coal briquette is identical with coal dust.
At room temperature by the Sample sleeve after weighing on temperature thermocouple contact, it is sent by feed mechanism in stove.It can change
Become furnace atmosphere, form different test conditions.The timing since room temperature, heating while, start thermometric and automatic collection number
According to.
In the case where furnace temperature is 850 DEG C of constant temperature, by the coal tar Sample sleeve after weighing on temperature thermocouple contact, by sending
Material mechanism is sent into stove rapidly, starts simultaneously at timing, automatic data collection after thermometric.
Claims (4)
1. a kind of coal combustion characteristics comprehensive measurement instrument, it is characterized in that：The coal combustion characteristics comprehensive measurement instrument is by combustion furnace, temperature
Controller, atmosphere pneumatic controller, sample feed mechanism, thermobalance, gas measurement instrument and microcomputer system composition.
2. a kind of coal combustion characteristics comprehensive measurement instrument according to claim 1, it is characterized in that：The gasmetry uses
Japanese Shimadzu Shimadzu CGT-2A types CO/CO2Portable gas measuring instrument, remaining is self-control.
3. a kind of coal combustion characteristics comprehensive measurement instrument according to claim 1, it is characterized in that：The combustion furnace uses tubular type
Electric furnace is simulated working temperature by intelligence instrument and temperature controller (being made of silicon controlled module), is tested as coal dust firing
When environment temperature (cement produced with the dry method production in dore furnace temperature at 850 DEG C or so).
4. a kind of coal combustion characteristics comprehensive measurement instrument according to claim 1, it is characterized in that：The tester uses temperature control
Thermocouple monitoring environment temperature, measurement thermocouple detect the temperature in combustion process, and coal sample is entered or exited by feed mechanism
Combustion furnace, atmosphere system can be such that burning in stove is under the conditions of natural air or under excess oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022948.2A CN108088872A (en) | 2016-11-21 | 2016-11-21 | A kind of coal combustion characteristics comprehensive measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022948.2A CN108088872A (en) | 2016-11-21 | 2016-11-21 | A kind of coal combustion characteristics comprehensive measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108088872A true CN108088872A (en) | 2018-05-29 |
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ID=62168354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611022948.2A Pending CN108088872A (en) | 2016-11-21 | 2016-11-21 | A kind of coal combustion characteristics comprehensive measurement instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN108088872A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057867A (en) * | 2019-04-18 | 2019-07-26 | 广西大学 | A kind of suspended state thermal analysis test device and test method |
-
2016
- 2016-11-21 CN CN201611022948.2A patent/CN108088872A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057867A (en) * | 2019-04-18 | 2019-07-26 | 广西大学 | A kind of suspended state thermal analysis test device and test method |
| CN110057867B (en) * | 2019-04-18 | 2024-01-12 | 广西大学 | Suspended state thermal analysis test device and test method |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180529 |
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| WD01 | Invention patent application deemed withdrawn after publication |