CN109507363A - Raw coal sulfur-bearing quantity measuring method - Google Patents
Raw coal sulfur-bearing quantity measuring method Download PDFInfo
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- CN109507363A CN109507363A CN201710831944.7A CN201710831944A CN109507363A CN 109507363 A CN109507363 A CN 109507363A CN 201710831944 A CN201710831944 A CN 201710831944A CN 109507363 A CN109507363 A CN 109507363A
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- raw coal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/82—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a precipitate or turbidity
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Abstract
The invention discloses a kind of raw coal sulfur-bearing quantity measuring methods, pass through the quality of the sample of electronic scale weighing raw coal, raw coal after weighing is sent into full combustion in combustion furnace, it is passed through purity oxygen in combustion furnace, the gas after burning is passed through in the chemical detector for being placed with detection reagent, or the gas after burning is connected in infrared sulphur pool detector all the way with the time-division and is detected.Raw coal sulfur-bearing quantity measuring method provided by the invention, with selectable two kinds of detection methods, detection mode diversification improves the accuracy of testing result, is conducive to the sulfur content for correctly judging raw coal.
Description
Technical field
The present invention relates to sulfur content detection technique fields, easy to use more particularly to one kind, being capable of contrasting detection result
Raw coal sulfur content examine purifying method.
Background technique
The sulphur content in sulphur coal in coal is objectionable impurities, it can make the dioxy generated when hot-short steel, the burning of equipment burn into
Change sulphur SO2 and pollute atmosphere, endangers animal and plant growth and human health.So sulphur content content be evaluate coal quality important indicator it
One.
Sulphur contained in the organic matter of coal is known as organic sulfur.Protein and micro- life of the organic sulfur in Coal-forming Plants
The protein of object.Sulfur-bearing 0.3% ~ 2.4% in protein, and the sulfur content of plant entirety is generally less than 0.5%.Have in general coal
The content of machine sulphur is lower, but composition is very complicated, mainly by thioether or sulfide, disulphide, mercaptan, based compound, thiophene-based
The components such as heterocycle sulfide and thioquinones compound or functional group are constituted.The organic matter of organic sulfur and coal becames one, and distribution is equal
It is even, it is difficult to remove, cannot be removed with general physics washing method.In general low-sulfur coal based on organic sulfur, by washing, cleaned coal
Full thioneine ash content reduces and increases.Inorganic sulfur is divided into troilite sulphur and two kinds of sulfate sulfur again, also there is micro elementary sulfur sometimes.
Sulfide sulfur and organic sulfur are collectively referred to as flammable sulphur, and sulfate sulfur is then non-combustible sulfur.The overwhelming majority is in sulfide sulfur with pyrite
Sulfur speciation exists, and also has a small amount of marcasite sulphur sometimes.Their molecular formula is all FeS2, but pyrite is tetragonal system crystalline substance
Body is mostly present in coal in forms such as concretion forms, lenticular, lumps and disseminateds；Marcasite is then orthorhombic system crystals, more
Radial presence, its luminance factor pyrite under the microscope are low.The complexity and mineral grain that sulfide sulfur is removed
Size and distribution are related, and particle is big to be removed using pyrite and the difference washing of organic matter relative density, but with superfine
Particle is evenly distributed on the pyrite in coal and then is difficult to remove coal is fine crushing.
The detection method of raw coal sulfur content in the prior art is mostly single detection method, and detection means is single, detection
As a result it can not compare, therefore unstable factor is larger, need to be improved.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of raw coal sulfur content detection side
Method, with selectable two kinds of detection methods, detection mode diversification improves the accuracy of testing result, is conducive to just
Really judge the sulfur content of raw coal.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of raw coal sulfur-bearing quantity measuring method, which comprises the steps of:
Step (1), the quality by the sample of electronic scale weighing raw coal, and qualitative data is passed into control host；
Raw coal after weighing is sent into full combustion in combustion furnace by step (2), is passed through purity oxygen in combustion furnace；
Gas after burning is passed through in the chemical detector for being placed with detection reagent by step (3), generates salt not soluble in water；
The quality of salt obtained in step (4), metrology steps (3) obtains the quality of sulphur by controlling Framework computing；
Step (5), according to the quality of sulphur and the quality of sample, the percentage composition of sulphur in raw coal is obtained by control Framework computing.
Preferably, the gas after burning to be connected to infrared sulphur pool detector all the way with the time-division in the step (3)
In, RF transmitter, sulphur pond and infrared receiver, and the content hair for the sulphur that will test out are set in infrared sulphur pool detector
Give control host.
Preferably, connecting the gas circuit setting manually-operated gate of infrared sulphur pool detector.
Preferably, the data of the sulfur content detected before and after infrared sulphur pool detector are opened in the control host comparison,
Judge testing result.
Preferably, the detection reagent in the step (3) uses barium hydroxide.
The utility model has the advantages that raw coal sulfur-bearing quantity measuring method provided by the invention, with selectable two kinds of detection methods, inspection
Survey mode diversification, improves the accuracy of testing result, is conducive to the sulfur content for correctly judging raw coal.
Specific embodiment
A kind of raw coal sulfur-bearing quantity measuring method, which comprises the steps of:
Step (1), the quality by the sample of electronic scale weighing raw coal, and qualitative data is passed into control host；
Raw coal after weighing is sent into full combustion in combustion furnace by step (2), is passed through purity oxygen in combustion furnace；
Gas after burning is passed through in the chemical detector for being placed with detection reagent by step (3), is generated not soluble in water --- step
Suddenly the detection reagent in (3) preferably uses barium hydroxide.
The quality of salt obtained in step (4), metrology steps (3) obtains the quality of sulphur by controlling Framework computing；
Step (5), according to the quality of sulphur and the quality of sample, the percentage composition of sulphur in raw coal is obtained by control Framework computing.
As a preference of the present invention, the gas after burning to be connected to infrared sulphur pond detection all the way with the time-division in step (3)
In device, RF transmitter, sulphur pond and infrared receiver, and the content for the sulphur that will test out are set in infrared sulphur pool detector
It is sent to control host.
In addition, connecting the gas circuit setting manually-operated gate of infrared sulphur pool detector, it can choose and be detected all the way still as needed
Multi-way detecting.
In the present invention, the data of the sulfur content detected before and after infrared sulphur pool detector, judgement are opened in control host comparison
Testing result.
Raw coal sulfur-bearing quantity measuring method provided by the invention, with selectable two kinds of detection methods, detection mode is more
Sample improves the accuracy of testing result, is conducive to the sulfur content for correctly judging raw coal.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of raw coal sulfur-bearing quantity measuring method, which comprises the steps of:
Step (1), the quality by the sample of electronic scale weighing raw coal, and qualitative data is passed into control host；
Raw coal after weighing is sent into full combustion in combustion furnace by step (2), is passed through purity oxygen in combustion furnace；
Gas after burning is passed through in the chemical detector for being placed with detection reagent by step (3), generates salt not soluble in water；
The quality of salt obtained in step (4), metrology steps (3) obtains the quality of sulphur by controlling Framework computing；
Step (5), according to the quality of sulphur and the quality of sample, the percentage composition of sulphur in raw coal is obtained by control Framework computing.
2. raw coal sulfur-bearing quantity measuring method according to claim 1, it is characterised in that: in the step (3), after burning
Gas be connected to all the way with the time-division in infrared sulphur pool detector, in infrared sulphur pool detector be arranged RF transmitter, sulphur pond
And infrared receiver, and the content for the sulphur that will test out is sent to control host.
3. raw coal sulfur-bearing quantity measuring method according to claim 2, it is characterised in that: connect the gas of infrared sulphur pool detector
Manually-operated gate is arranged in road.
4. raw coal sulfur-bearing quantity measuring method according to claim 2, it is characterised in that: the control host comparison is opened red
The data of the sulfur content detected before and after outer sulphur pool detector, judge testing result.
5. raw coal sulfur-bearing quantity measuring method according to claim 1, it is characterised in that: the detection examination in the step (3)
Agent uses barium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710831944.7A CN109507363A (en) | 2017-09-15 | 2017-09-15 | Raw coal sulfur-bearing quantity measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710831944.7A CN109507363A (en) | 2017-09-15 | 2017-09-15 | Raw coal sulfur-bearing quantity measuring method |
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| Publication Number | Publication Date |
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| CN109507363A true CN109507363A (en) | 2019-03-22 |
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| CN201710831944.7A Withdrawn CN109507363A (en) | 2017-09-15 | 2017-09-15 | Raw coal sulfur-bearing quantity measuring method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829867A (en) * | 2020-07-17 | 2020-10-27 | 贵州理工学院 | Method for rapidly determining sulfur species in solid-phase minerals by using infrared-temperature programming oxidation combination method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1252705A (en) * | 1984-12-17 | 1989-04-18 | Kwang S. Moon | Method for analyzing different sulphur forms |
| CN1090050A (en) * | 1993-01-18 | 1994-07-27 | 江苏省化工研究所 | The rapid test method of sulphur in a kind of coal |
| CN1344369A (en) * | 1999-03-22 | 2002-04-10 | 里萨泰克有限公司 | Appts. for analysing reduced inorganic sulfur |
| CN2898825Y (en) * | 2006-04-28 | 2007-05-09 | 湖南三德科技发展有限公司 | Burning boat for sulfur measuring equipment |
| CN101813653A (en) * | 2010-04-20 | 2010-08-25 | 常州爱特科技有限公司 | Double-channel SF6 gas decomposition product tester |
| CN104297245A (en) * | 2014-10-27 | 2015-01-21 | 合肥卓越分析仪器有限责任公司 | Sulphur content detection equipment |
| CN105136973A (en) * | 2015-08-26 | 2015-12-09 | 常州大学 | Neutralization method sulphur meter with sodium hydroxide calibration function |
| CN205620382U (en) * | 2016-04-27 | 2016-10-05 | 中南大学 | Carbon sulphur detection device |
| CN106353457A (en) * | 2016-09-06 | 2017-01-25 | 山东能工低碳科技有限公司 | Method and system for detecting flue gas SO3 based on salt absorption |
| CN205982241U (en) * | 2016-09-06 | 2017-02-22 | 山东能工低碳科技有限公司 | Detect flue gas SO3's flue gas reaction unit and system based on salt absorbs |
-
2017
- 2017-09-15 CN CN201710831944.7A patent/CN109507363A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1252705A (en) * | 1984-12-17 | 1989-04-18 | Kwang S. Moon | Method for analyzing different sulphur forms |
| CN1090050A (en) * | 1993-01-18 | 1994-07-27 | 江苏省化工研究所 | The rapid test method of sulphur in a kind of coal |
| CN1344369A (en) * | 1999-03-22 | 2002-04-10 | 里萨泰克有限公司 | Appts. for analysing reduced inorganic sulfur |
| CN2898825Y (en) * | 2006-04-28 | 2007-05-09 | 湖南三德科技发展有限公司 | Burning boat for sulfur measuring equipment |
| CN101813653A (en) * | 2010-04-20 | 2010-08-25 | 常州爱特科技有限公司 | Double-channel SF6 gas decomposition product tester |
| CN104297245A (en) * | 2014-10-27 | 2015-01-21 | 合肥卓越分析仪器有限责任公司 | Sulphur content detection equipment |
| CN105136973A (en) * | 2015-08-26 | 2015-12-09 | 常州大学 | Neutralization method sulphur meter with sodium hydroxide calibration function |
| CN205620382U (en) * | 2016-04-27 | 2016-10-05 | 中南大学 | Carbon sulphur detection device |
| CN106353457A (en) * | 2016-09-06 | 2017-01-25 | 山东能工低碳科技有限公司 | Method and system for detecting flue gas SO3 based on salt absorption |
| CN205982241U (en) * | 2016-09-06 | 2017-02-22 | 山东能工低碳科技有限公司 | Detect flue gas SO3's flue gas reaction unit and system based on salt absorbs |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829867A (en) * | 2020-07-17 | 2020-10-27 | 贵州理工学院 | Method for rapidly determining sulfur species in solid-phase minerals by using infrared-temperature programming oxidation combination method |
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