CN203133005U - Integrated coal quality detection device - Google Patents
Integrated coal quality detection device Download PDFInfo
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- CN203133005U CN203133005U CN 201320056577 CN201320056577U CN203133005U CN 203133005 U CN203133005 U CN 203133005U CN 201320056577 CN201320056577 CN 201320056577 CN 201320056577 U CN201320056577 U CN 201320056577U CN 203133005 U CN203133005 U CN 203133005U
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Abstract
The utility model discloses an integrated coal quality detection device which comprises a thermal measuring module, a sulfur measuring module and a connection module; the connection module consists of a flowmeter, and an airflow outlet of the thermal measuring module is connected with an air inlet of the flow meter through an air flow pipeline; and an air outlet of the flow meter is connected with the sulfur measuring module by an air flow pipeline. According to the integrated coal quality detection device, the thermal value and sulfur content indexes of a coal sample can be measured at a time, the detection cost is low and the detection efficiency is high.
Description
Technical field
The utility model relates to a kind of integral type coal property test device, belongs to the coal property test field.
Background technology
Coal has at home quite widely and uses as the main fossil fuel of China.It has played the part of 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 different coals are corresponding different.
In traditional coal property test field, it was calorimeter and sulphur meter separate detection that two indexs of the calorific value of coal sample and sulfur content need two kinds of instruments in the past, and operation inconvenience expends time in, and also gave to produce and used the enterprise of coal to bring inconvenience.And two kinds of instruments detect separately, need expend double coal sample, the cost height.
Therefore, be necessary to design a kind of integral type coal property test device.
The utility model content
Technical problem to be solved in the utility model provides a kind of integral type coal property test device, these integral type coal property test device disposable measurement coal sample calorific value of energy and two indexs of sulfur content, and it is low to detect cost, the detection efficiency height.
The technical solution of utility model is as follows:
A kind of integral type coal property test 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.
Described calorimetric module comprises pressure vessel and the interior bucket that is filled with water, and interior bucket places in the pressure vessel, is provided with the temperature sensor for detection of water temperature in the 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 that is used for measuring sulfur content, and the outlet of the airflow line of connection traffic meter gas outlet extend in the electrolytic solution.
Store air or inert gas in the flowmeter.
Coal quality detecting method based on aforesaid integral type coal property test device is: the throughput thermal modules detects the unit thermal value of coal sample to be measured, the air-flow of calorimetric module output is through link block inlet sulphur module, and throughput sulphur module adopts the electrolytic titration method to record the sulfur content of this coal sample again.
The flowmeter of calorimetric module stores air or inert gas.
Beneficial effect:
Integral type coal property test device of the present utility model, design link block dexterously and connected calorimetric module and amount sulphur module, the all gas amount of importing to sulphur module with the generation of calorimetric module, thereby adopt same coal sample can detect coal sample calorific value and two indexs of sulfur content once, the detection cost is low, the detection efficiency height.
Integral type coal property test device can record thermal value and two index parameters of sulfur content by a coal sample ensure detecting data accurately and effectively under the prerequisite.By coal sample fully burning in oxygen, obtain the calorie value that coal sample produces, obtain the thermal value of coal sample through converting.The waste gas that burning is produced is incorporated in the particular solution again, and electrolytic titration obtains sulfur content by conversion.The detection method that the utility model adopts in today that industrial informationization is strengthened day by day, effectively improves detection efficiency, and is energy-saving and cost-reducing, can improve the work efficiency of related detection unit, has significant social and economic benefit.
Core of the present utility model is that the gases at high pressure after the pressure-resistant apparatus burning are all derived through solenoid valve, total gas couette is through flowmeter inlet sulphur module, adopt existing matured product flowmeter, further simplification system design makes the easier enforcement of this programme.
Description of drawings
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 utility model is described in further details:
Embodiment 1:
As shown in Figure 1, integral type coal property test 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.
Described calorimetric module comprises pressure vessel and the interior bucket that is filled with water, and interior bucket places in the pressure vessel, is provided with the temperature sensor for detection of water temperature in the 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 that is used for measuring sulfur content, and the outlet of the airflow line of connection traffic meter gas outlet extend in the electrolytic solution.
The method of integral type coal property test as shown in Figure 2.
The structure of calorimetric module and principle of work explanation:
A certain amount of sample is placed on oxygen bomb (the being pressure vessel) internal combustion that is filled with excessive oxygen, thereby the heat that discharges is absorbed by quantitative interior bucket water by the conduction of the inside bucket of oxygen bomb water.Consider outside under the substantially invariable situation of environment temperature that variation 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 of surveying the sulphur module is under the clean-burning prerequisite of unit coal, and the back gas that will burn feeds in the standard solution, and the method by electrolytic titration records the sulfur content in the gas, the sulfur content of the unit's of learning coal then after the burning.In the air guide process, controllable electromagnetic valve control gas derivation speed is the 1000mL/min that GB requires, and can learn the derivation gas gross by flowmeter after gas is derived fully.
Described pressure vessel (oxygen bomb) is coal sample clean-burning container under pure oxygen environment.Relevant oxygen bomb technical specification describes in detail in the coal industry standard MT/T737-2007 of the People's Republic of China (PRC) " calorimeter oxygen bomb security performance inspection specification ", does not do at this and gives unnecessary details.
The temperature variation of bucket water in when described temperature sensor uses in order to measure.
Controllable electromagnetic valve can import to coal sample waste gas after burning in oxygen bomb when opening in the flowmeter in the link block in order to control the break-make of oxygen bomb and link block, blocks two-part connection when closing, and can control derivation speed.
Wherein said link block entrance links to each other with the outlet of calorimetric module, mainly comprises flowmeter and relevant breather line.
Be serially connected with voltameter in the electrolytic circuit.
Wherein said electrolytic solution has detailed description in State Standard of the People's Republic of China GB/T214-2007 " total sulfur measurement method in the coal ", do not give unnecessary details at this.Normal electrolytic solution has reductibility, with the sulfurous gas generation chemical reaction of band oxidisability.
Electrolytic circuit for detection of sulfur content is existing mature technology.
Voltameter can be by the sulphur component content in the coulometric titration method mensuration throughput sulphur modular gas.The coulometric titration method has detailed description in The People's Republic of China's GB standard GB/T214-2007 " total sulfur measurement method in the coal ".
Concrete implementation step:
The utility model integral type coal property test device realizes that disposable measurement coal sample calorific value and two indexs of sulfur content contain following steps:
(1), the coal sample of inserting in the oxygen bomb after the abundant burning, produces heat and gases at high pressure in the sealing pure oxygen environment.
(2), wherein heat heats up the calorimetric module whole.Learnt its unit caloric receptivity by the demarcation of certain mass standard substance before the experiment of calorimetric module, built-in temperature sensor can obtain the temperature variation in the temperature-rise period.These two indexs can be extrapolated the heat that the coal sample burning produces, because the coal sample quality is known, draw so the unit thermal value of coal sample can be calculated, i.e. the calorific value of coal sample again.
(3), fully after burning, controllable electromagnetic valve is opened, and band sulphur gases at high pressure feed electrolytic cell through flowmeter in the calorimetric module.
(4), the gas that enters in the electrolytic cell reduces in electrolytic solution band reducing substances environment, the magnitude of current that produces in oxidation-reduction process can obtain by the computer measuring and calculating, obtain sulfur content in the coal sample then.Concrete principle has detailed description in The People's Republic of China's GB standard GB/T214-2007 " total sulfur measurement method in the coal ".
Claims (5)
1. an integral type coal property test 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.
2. integral type coal property test device according to claim 1, it is characterized in that, described calorimetric module comprises pressure vessel and the interior bucket that is filled with water, interior bucket places in the pressure vessel, be provided with the temperature sensor for detection of water temperature in the interior bucket, the air stream outlet of pressure vessel is the air stream outlet of described calorimetric module.
3. integral type coal property test device according to claim 2 is characterized in that controllable electromagnetic valve is arranged on the air flow outlet of calorimetric module.
4. integral type coal property test device according to claim 1 is characterized in that, described amount sulphur module comprises the container that fills electrolytic solution and the electrolytic circuit that is used for measuring sulfur content, and the outlet of the airflow line of connection traffic meter gas outlet extend in the electrolytic solution.
5. according to each described integral type coal property test device of claim 1-4, it is characterized in that, store air or inert gas in the flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320056577 CN203133005U (en) | 2013-01-31 | 2013-01-31 | Integrated coal quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320056577 CN203133005U (en) | 2013-01-31 | 2013-01-31 | Integrated coal quality detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203133005U true CN203133005U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320056577 Expired - Fee Related CN203133005U (en) | 2013-01-31 | 2013-01-31 | Integrated coal quality detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149239A (en) * | 2013-01-31 | 2013-06-12 | 湖南新航程智能测控技术有限公司 | All-in-one type coal quality detecting device and coal quality detecting method |
-
2013
- 2013-01-31 CN CN 201320056577 patent/CN203133005U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149239A (en) * | 2013-01-31 | 2013-06-12 | 湖南新航程智能测控技术有限公司 | All-in-one type coal quality detecting device and coal quality detecting method |
| CN103149239B (en) * | 2013-01-31 | 2015-04-22 | 湖南新航程智能测控技术有限公司 | All-in-one type coal quality detecting device and coal quality detecting method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20160131 |
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| EXPY | Termination of patent right or utility model |