CN103149239B - All-in-one type coal quality detecting device and coal quality detecting method - Google Patents
All-in-one type coal quality detecting device and coal quality detecting method Download PDFInfo
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- CN103149239B CN103149239B CN201310039139.2A CN201310039139A CN103149239B CN 103149239 B CN103149239 B CN 103149239B CN 201310039139 A CN201310039139 A CN 201310039139A CN 103149239 B CN103149239 B CN 103149239B
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Abstract
The invention discloses an all-in-one type coal quality detecting device and a coal quality detecting method. The all-in-one type coal quality detecting device is characterized by comprising a heat measuring module, a sulfur measuring module and a connecting module. The connecting module comprises a flow meter. An air outlet of the heat measuring module is connected with an air inlet of the flow meter through an air pipe. An air outlet of the flow meter is connected with the sulfur module through the air pipe. The all-in-one type coal quality detecting device and the coal quality detecting method can measure two indicators including a heat value of a coal sample and sulfur content of the coal sample, detecting cost is low, and detecting efficiency is high.
Description
Technical field
The present invention relates to a kind of Unitary coal quality detecting device and coal quality detecting method, belong to coal property test field.
Background technology
Coal, as the main fossil fuel of China, has at home and applies quite widely.It plays the dominant role of energy supply in recent decades, and at chemical industry, iron and steel, energy industry importance beyond any doubt.Coal burning needs to detect before using, and determines coal index and characteristic, the use occasion that Coal rank is corresponding different.
In the past in traditional coal quality detection field, the calorific value of coal sample and sulfur content two indices needed two kinds of instruments and calorimeter and sulphur meter separate detection, and operation inconvenience, expends time in, and brought inconvenience also to the enterprise of production and application coal.And two kinds of instruments detect separately, need to expend double coal sample, cost is high.
Therefore, be necessary to design a kind of Unitary coal quality detecting device and coal quality detecting method.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of Unitary coal quality detecting device and coal quality detecting method, this Unitary coal quality detecting device and coal quality detecting method can disposable measurement coal sample calorific value and sulfur content two indexs, testing cost is low, and detection efficiency is high.
The technical solution of invention is as follows:
A kind of Unitary coal quality detecting device, comprises calorimetric module, amount sulphur module and link block; Described link block comprises flowmeter and controllable electromagnetic valve, and the air stream outlet of calorimetric module connects the air intake opening of flowmeter through controllable electromagnetic valve by airflow line; The gas outlet of flowmeter is by airflow line connection amount sulphur module.
The interior bucket that described calorimetric module comprises pressure vessel and is filled with water, interior bucket is placed in pressure vessel, is provided with the temperature sensor for detecting water temperature in interior bucket, and the air stream outlet of pressure vessel is the air stream outlet of described calorimetric module.
Controllable electromagnetic valve is arranged on the air flow outlet of calorimetric module.
Described amount sulphur module comprises the container that fills electrolytic solution and the electrolytic circuit for measuring sulfur content, and the outlet of the airflow line of connection traffic meter gas outlet extend in electrolytic solution.
Air or inert gas is stored in flowmeter.
Based on the coal quality detecting method of aforesaid Unitary coal quality detecting device, throughput thermal modules detects the unit thermal value of coal sample to be measured, the air-flow that calorimetric module exports is through link block inlet sulphur module, then throughput sulphur module adopts electrolytic titration method to record the sulfur content of this coal sample.
The flowmeter of calorimetric module stores air or inert gas.
Beneficial effect:
Unitary coal quality detecting device of the present invention and coal quality detecting method, devise link block dexterously and connect calorimetric module and amount sulphur module, by all gas amount of the importing to sulphur module that calorimetric module produces, thus adopt same coal sample can detect coal sample calorific value and sulfur content two indexs once, testing cost is low, and detection efficiency is high.
Unitary coal quality detecting device and coal quality detecting method, under guarantee detection data accurately and effectively prerequisite, record thermal value and sulfur content two index parameters by a coal sample.By coal sample Thorough combustion in oxygen, obtain the calorie value that coal sample produces, through the thermal value obtaining coal sample that converts.Again the waste gas that burning produces being incorporated in particular solution, after electrolytic titration, obtaining sulfur content through converting.The detection method that the present invention adopts, in today that industrial informationization is strengthened day by day, effectively improves detection efficiency, energy-saving and cost-reducing, can improve the work efficiency of related detection unit, have significant Social and economic benef@.
Core of the present invention is all derived through solenoid valve by the gases at high pressure after pressure-resistant apparatus burning, and total gas couette, through flowmeter inlet sulphur module, adopts existing matured product flowmeter, can simplify system further, this programme is more easily implemented.
Accompanying drawing explanation
Fig. 1 is the structural representation of integral type coal property test device;
Fig. 2 is the process flow diagram of integral type coal quality detecting method.
Label declaration: 1-pressure vessel, 2-controllable electromagnetic valve, 3-electrolytic solution, 4-electrolytic circuit.
Embodiment
Below with reference to the drawings and specific embodiments, the present invention is described in further details:
Embodiment 1:
As shown in Figure 1, Unitary coal quality detecting device, comprises calorimetric module, amount sulphur module and link block; Described link block comprises flowmeter and controllable electromagnetic valve, and the air stream outlet of calorimetric module connects the air intake opening of flowmeter through controllable electromagnetic valve by airflow line; The gas outlet of flowmeter is by airflow line connection amount sulphur module.
The interior bucket that described calorimetric module comprises pressure vessel and is filled with water, interior bucket is placed in pressure vessel, is provided with the temperature sensor for detecting water temperature in interior bucket, and the air stream outlet of pressure vessel is the air stream outlet of described calorimetric module.
Controllable electromagnetic valve is arranged on the air flow outlet of calorimetric module.
Described amount sulphur module comprises the container that fills electrolytic solution and the electrolytic circuit for measuring sulfur content, and the outlet of the airflow line of connection traffic meter gas outlet extend in electrolytic solution.
The method of Unitary coal quality detection as shown in Figure 2.
The structure and working principle of calorimetric module illustrates:
A certain amount of sample is placed on oxygen bomb (i.e. pressure vessel) combustion being filled with excessive oxygen, the heat discharged is by the conduction of oxygen bomb inside bucket water thus absorbed by bucket water in quantitative.Consider that outside in the substantially invariable situation of environment temperature, change and the caloric receptivity of interior bucket coolant-temperature gage are directly proportional, so just can calculate the thermal value of sample according to the temperature rise of interior bucket water.
The principle of work surveying sulphur module is under the clean-burning prerequisite of unit coal, is passed into by combustion gas in standard solution, is recorded the sulfur content in combustion gas by the method for electrolytic titration, then learn the sulfur content of unit coal.In air guide process, it is the 1000mL/min of Standard that controllable electromagnetic valve controls gas derivation speed, derives completely can learn derivation gas gross by flowmeter at gas.
Described pressure vessel (oxygen bomb) is coal sample clean-burning container under pure oxygen environment.Relevant oxygen bomb technical specification describes in detail in People's Republic of China (PRC) coal industry standard MT/T 737-2007 " calorimeter oxygen bomb Safety Inspection specification ", does not repeat at this.
The temperature variation of interior bucket water when described temperature sensor uses in order to measure.
Controllable electromagnetic valve is in order to control the break-make of oxygen bomb and link block, and the waste gas after coal sample being burnt in oxygen bomb when opening imports in the flowmeter in link block, blocks two-part connection, and can control derivation speed during closedown.
Wherein said link block entrance is connected with calorimetric module outlet, mainly comprises flowmeter and relevant breather line.
Voltameter is serially connected with in electrolytic circuit.
Wherein said electrolytic solution is described in detail in National Standard of the People's Republic of China GB/T214-2007 " full content of Sulphur in coal assay method ", and therefore not to repeat here.Normal electrolytic solution has reductibility, produces chemical reaction with the sulfurous gas of band oxidisability.
For detect containing dredge amount electrolytic circuit be existing mature technology.
Voltameter measures the sulphur component content in throughput sulphur modular gas by Coulomb equation.Coulomb equation is described in detail in the People's Republic of China's GB standard GB/T214-2007 " full content of Sulphur in coal assay method ".
Concrete implementation step:
Unitary coal quality detecting device of the present invention realizes disposable measurement coal sample calorific value and sulfur content two indexs contain following steps:
(1) coal sample, inserted in oxygen bomb after Thorough combustion, produces heat and gases at high pressure in closed pure oxygen environment.
(2), wherein heat makes calorimetric module whole heat up.Learnt that its unit recepts the caloric by the demarcation of certain mass standard substance before calorimetric modularized experiment, built-in temperature sensor can obtain the temperature variation in temperature-rise period.These two indexs can extrapolate the heat that coal sample burning produces, and again because coal sample quality is known, draw, i.e. the calorific value of coal sample so the unit thermal value of coal sample can calculate.
(3), after Thorough combustion, controllable electromagnetic valve is opened, and in calorimetric module, band sulphur gases at high pressure pass into electrolytic cell through flowmeter.
(4), the gas entered in electrolytic cell reduces in electrolytic solution band reducing substances environment, and the magnitude of current produced in oxidation-reduction process obtains by computer measuring and calculating, then obtains sulfur content in coal sample.Concrete principle is described in detail in the People's Republic of China's GB standard GB/T214-2007 " full content of Sulphur in coal assay method ".
Claims (2)
1. a Unitary coal quality detecting device, is characterized in that, comprises calorimetric module, amount sulphur module and link block; Described link block comprises flowmeter and controllable electromagnetic valve, and the air stream outlet of calorimetric module connects the air intake opening of flowmeter through controllable electromagnetic valve by airflow line; The gas outlet of flowmeter is by airflow line connection amount sulphur module;
The interior bucket that described calorimetric module comprises pressure vessel and is filled with water, interior bucket is placed in pressure vessel, is provided with the temperature sensor for detecting water temperature in interior bucket, and the air stream outlet of pressure vessel is the air stream outlet of described calorimetric module;
Controllable electromagnetic valve is arranged on the air flow outlet of calorimetric module;
Described amount sulphur module comprises the container that fills electrolytic solution and the electrolytic circuit for measuring sulfur content, and the outlet of the airflow line of connection traffic meter gas outlet extend in electrolytic solution;
Air or inert gas is stored in flowmeter.
2. based on the coal quality detecting method of Unitary coal quality detecting device according to claim 1, it is characterized in that, throughput thermal modules detects the unit thermal value of coal sample to be measured, the air-flow that calorimetric module exports is through link block inlet sulphur module, then throughput sulphur module adopts electrolytic titration method to record the sulfur content of this coal sample;
The flowmeter of calorimetric module stores air or inert gas.
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| CN201310039139.2A CN103149239B (en) | 2013-01-31 | 2013-01-31 | All-in-one type coal quality detecting device and coal quality detecting method |
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| CN201310039139.2A CN103149239B (en) | 2013-01-31 | 2013-01-31 | All-in-one type coal quality detecting device and coal quality detecting method |
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| CN103149239B true CN103149239B (en) | 2015-04-22 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414380A (en) * | 2002-04-25 | 2003-04-30 | 谢安东 | Constant volume sampling flameless combustion type fuel gas caloric value determination apparatus |
| CN2566266Y (en) * | 2002-09-11 | 2003-08-13 | 长沙三德实业有限公司 | Improved constant temp. calorimeter |
| CN1529171A (en) * | 2003-09-19 | 2004-09-15 | 恒 林 | Coal five-index deferminator |
| EP1770390A1 (en) * | 2005-09-30 | 2007-04-04 | General Electric Company | Method, sensor and system for measuring a lower heating value and a wobbe index of a gaseous fuel |
| CN101038276A (en) * | 2006-03-15 | 2007-09-19 | 鞍钢股份有限公司 | Method and device for detecting coal powder performance |
| EP1939618A1 (en) * | 2006-12-29 | 2008-07-02 | Thermo Fisher Scientific Inc. | Combustion analysis apparatus and method |
| CN202141689U (en) * | 2011-06-30 | 2012-02-08 | 上海中冶横天自动化工程有限公司 | Intelligent detecting system for coke oven coal gas heat value |
| CN203133005U (en) * | 2013-01-31 | 2013-08-14 | 湖南新航程智能测控技术有限公司 | Integrated coal quality detection device |
-
2013
- 2013-01-31 CN CN201310039139.2A patent/CN103149239B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414380A (en) * | 2002-04-25 | 2003-04-30 | 谢安东 | Constant volume sampling flameless combustion type fuel gas caloric value determination apparatus |
| CN2566266Y (en) * | 2002-09-11 | 2003-08-13 | 长沙三德实业有限公司 | Improved constant temp. calorimeter |
| CN1529171A (en) * | 2003-09-19 | 2004-09-15 | 恒 林 | Coal five-index deferminator |
| EP1770390A1 (en) * | 2005-09-30 | 2007-04-04 | General Electric Company | Method, sensor and system for measuring a lower heating value and a wobbe index of a gaseous fuel |
| CN101038276A (en) * | 2006-03-15 | 2007-09-19 | 鞍钢股份有限公司 | Method and device for detecting coal powder performance |
| EP1939618A1 (en) * | 2006-12-29 | 2008-07-02 | Thermo Fisher Scientific Inc. | Combustion analysis apparatus and method |
| CN202141689U (en) * | 2011-06-30 | 2012-02-08 | 上海中冶横天自动化工程有限公司 | Intelligent detecting system for coke oven coal gas heat value |
| CN203133005U (en) * | 2013-01-31 | 2013-08-14 | 湖南新航程智能测控技术有限公司 | Integrated coal quality detection device |
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