CN102736533A - Sampling, preparation and analysis management method for coal as received in thermal power plant - Google Patents
Sampling, preparation and analysis management method for coal as received in thermal power plant Download PDFInfo
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Abstract
The invention provides a sampling, preparation and analysis management method for coal as received in a thermal power plant. The method comprises the following steps of: recognizing coal carrying vehicle information; distributing sampling buckets; printing sampling codes on packaged coal samples; performing sample preparation to generate sample preparation codes; and generating test codes, and testing. By the method, a coal as received sampling process, a sample preparation process and a testing process can be automatically performed, the security of coal sample information is ensured, and artificial interference factors of coal as received sampling, preparation and analysis processes are prevented; and the labor intensity of personnel is effectively reduced, the working efficiency is greatly improved, energy sources can be saved and fully utilized, the production cost can be effectively controlled, and management and operation levels can be improved.
Description
Technical field
The present invention relates to thermal power plant and go into factory's coal management method, be specifically related to a kind of thermal power plant and go into factory's gathering and processing of coal management method.
Background technology
At present nervous, the coal price of coal supply situation sharp rises, and constantly increases with the production cost of coal enterprise.Coal Quality not only influences power plant normally to be moved, and is related to the height of power plant's production cost.Ubiquitous various forms of practising fraud in the coal transaction under interests are ordered about not only causes the cost of enterprise to increase, and more influence is produced; And enterprise is backward relatively in the means of going into aspect factory's ature of coal amount supervision, has also given practising fraud with opportunity in the coal transaction.
In fact, in the coal transaction practise fraud with the enterprise supervision in leak mainly be the following aspects:
1. load in mixture through coal, adulterate.At the bottom of substandard colm being put into car such as coal supply side when the coal entrucking, and will reach or overproof fat coal will be contained in top, compartment;
2. other a kind of more indiscoverable be that measurement data lags behind and can't in time stop not meet the coal admission of contract requirement (CR);
3. also have a kind of situation to gather and process the transmission of process samples information plain code exactly, stayed breach for quality inspection personnel and supplier gang up to practise fraud.
To be the relatively large enterprise of coal consumption going into ubiquitous problem aspect factory's coal examination to above situation.Even power plant's management is strict, also can not avoid the generation of above situation fully; From practicing thrift and make full use of the angle of the energy, control production cost, raising managed operation level, enterprise also presses for the present situation that factory's gathering and processing of coal management is gone in change at present simultaneously.Taking a broad view of above various fraudulent means, why can have an opportunity to take advantage of, is nothing but because go into due to factory gathering and processing of the coal regulatory measure backwardness with what coal enterprise generally adopted.
Summary of the invention
In order to overcome the deficiency of above-mentioned prior art; The present invention provides a kind of thermal power plant to go into factory's gathering and processing of coal management method; Realize factory's coal sampling, sample preparation, the processing of chemical examination process automation, guaranteed the confidentiality of coal sample information, reduced personnel labor intensity effectively; Improve work efficiency greatly, evaded going into the artificial interference factor of factory's gathering and processing of coal process.
In order to realize the foregoing invention purpose, the present invention takes following technical scheme:
Factory's gathering and processing of coal management method is gone into by a kind of thermal power plant, said method comprising the steps of:
Step 1: coal vehicle information is carried in identification;
Step 2: distribute the sampling bucket;
Step 3: the encapsulation coal sample is printed the sampling sign indicating number;
Step 4: sample preparation generates the sample preparation sign indicating number;
Step 5: generate the chemical examination sign indicating number;
Step 6: chemical examination.
Said step 1 may further comprise the steps:
Step 1-1: arrive year coal vehicle of sampled point, scan said plan card, whether in violation of rules and regulations to check said year coal vehicle;
Step 1-2: said license number recognizer identification license number, to the scanning of plan card, and write down this year of coal vehicle and coal information, if artificial sample, display screen prompting " artificial sample please be overweight ", otherwise prompting " driver gets off, and waits for sampling ".
In the said step 2, control system is obtained information of vehicles, and the Sampling Machine sampling also mixes up sampling bucket position.
Said information of vehicles comprises coordinate and the depth information that generates sampled point after vehicle information, parking spot information and the sampling head coordinate data automatically.
In the said step 3, baling press encapsulation coal sample, the sampling sign indicating number that three grades of encryption systems of gathering and processing are encrypted is attached on the sample sack; Three grades of encryption systems of said gathering and processing sign indicating number of will sampling is stored in the database server with the corresponding relation in colliery.
In the said step 4, close appearance through scanner, three grades of encryption systems of said gathering and processing are understood the sampling sign indicating number, and generate the sample preparation sign indicating number by the algorithm that is provided with, and said sample preparation code encryption is attached to said sample preparation sign indicating number on the sample sack; Three grades of encryption systems of said gathering and processing are stored in the sample preparation sign indicating number in the database server.
In the said step 5, understand the sample preparation sign indicating number, and generate the chemical examination sign indicating number, print the chemical examination sign indicating number of having encrypted, and said chemical examination sign indicating number is attached on the sample sack, pass to the work of cement labouratory personnel by the algorithm of its set inside through three grades of encryption systems of said gathering and processing; Three grades of encryption systems of said gathering and processing will be chemically examined sign indicating number automatically and be stored in the database server.
In the said step 6, the chemical examination sign indicating number extracts the chemical examination raw data, and the line data of going forward side by side is examined and reported.
The content of chemical examination comprises that aquation is tested in the sky butt, empty butt bomb calorific value is chemically examined, empty butt ash is chemically examined, empty butt fugitive constituent is chemically examined, the full sulfuration of empty butt is tested with the full aquation of as received basis and tested.
Moisture determination instrument carries out in the said empty butt aquation to be tested with the full aquation of as received basis and tests, and calorimeter carries out said empty butt bomb calorific value chemical examination; The technical analysis analyzer carries out chemical examination of sky butt ash and the chemical examination of empty butt fugitive constituent; Constant sulphur appliance carries out the full sulfuration of sky butt and tests.
Said constant sulphur appliance comprises air cleaning unit, controller, combustion furnace, electrolytic cell and stirrer; Said air cleaning unit comprises electromagnetic pump, flowmeter and exsiccator, and said electromagnetic pump makes the air turnover, and the airflow circulation power is provided, said flowmeter indication aerodynamic force size, and said exsiccator is removed airborne impurity; Said controller comprises temperature controller, Coulomb integral device and programming controller, and said combustion furnace adopts tube type high-temperature furnace.
The data audit comprises one-level audit and secondary audit, in the secondary audit chemical examination sign indicating number is decoded, and then obtains chemically examining final data, and said chemical examination final data is used for gathering ature of coal and checks and accepts situation moon form as the foundation that the clearing personnel carry out the coal price clearing; Again chemically examine when supplier exists ambiguity then to carry out sample to fire coal chemical examination final data, chemically examine again by chemical examination class of operation portion laboratory.
Saidly go into factory's pit ash content and detect through ash content detector; Said ash content detector comprises container, detecting device and automatically controlled machine; Said container comprises coal sample storehouse, funnel and is positioned at the automatic pumping board of bottom, said coal sample storehouse; Said automatic pumping board is axial vertical with said coal sample storehouse, and said automatic pumping board connects automatic dust unloading control system, ability gamma source Cs-137, ray detector and multiple tracks data analysis spectrometer during said detecting device comprises; Coal sample in the gamma photons irradiation coal sample storehouse of ability gamma source Cs-137 emission in said; Said ray detector collection sees through the middle ability gamma ray spectrum signal of coal sample; The output terminal of said ray detector connects the input end of said multiple tracks data analysis spectrometer, and the output terminal of said multiple tracks data analysis spectrometer connects said automatically controlled machine;
Top, said coal sample storehouse is provided with and connects the measurement position inlet that Sampling Machine is abandoned the appearance outlet, and its underpart is provided with the measurement position outlet that connects automatic dust unloading control system; Can be positioned in the protection body of source by gamma source Cs-137 in said, be provided with collimating aperture in the protection body of said source, the central axis of said collimating aperture and said ray detector is on same horizontal line, and the hole depth of said collimating aperture is 5～6cm, and the aperture is 1cm; The inside of said source protection body is plumbous, and the thickness of said lead is greater than 6cm; Coal sample in the gamma photons irradiation coal sample storehouse of ability gamma source Cs-137 emission in said produces the X ray of 32KeV;
The thickness of said source protection body shell is 1cm; Said shell be by carbon content be 0.10%, silicone content is 0.08%, manganese content is 0.065%, phosphorus content is 0.030%, sulfur content is 0.018%, chromium content is 15.6%, surplus is the alloy preparation of iron, described percentage is percent by weight; Said collimating aperture is built-in with thin slice, can gamma source in said Cs-137 place on the said thin slice, its distance with the aperture of said collimating aperture is 0.5cm, the distance bottom said thin slice and the said collimating aperture is 0.1mm; Said thin slice is spun glass or vinyon sheet;
Said automatically controlled machine comprises master control system, power supply, data processing and separates spectra system, display system and signal transmission system; The output terminal of said multiple tracks data analysis spectrometer connects said signal transmission system; Signal after said master control system is handled multiple tracks data analysis spectrometer is transferred to data processing and separates spectra system through said signal transmission system; Said multiple tracks data analysis spectrometer carries out A/D conversion and Digital Signal Analysis to the signal of gathering; The absorption peak of the X ray of said data processing and the said 32KeV of spectrum unscrambling systematic analysis obtains the ash content of coal response; Ability gamma rays 600KeV full energy peak obtains the mass thickness response of coal in the analysis, and said ash content of coal content and mass thickness response are all carried out online demonstration through display system;
Said automatic dust unloading control system comprises automatic ash-discharging valve, speed reduction unit and screw motor, and said automatic ash-discharging valve is a star-shaped ash unloading valve, comprises housing, impeller and end cap; Said screw motor drives said wheel rotation through shaft coupling, evenly takes the material on said housing top to bottom; Be connected with amplifier between said ray detector and the said multiple tracks data analysis spectrometer, said ray detector is NaI scintillation detector or lanthanum bromide detector, and said amplifier is a photomultiplier.
Compared with prior art, beneficial effect of the present invention is:
1. realize factory's coal sampling, sample preparation, the processing of chemical examination process automation, guaranteed the confidentiality of coal sample information;
2. reduce personnel labor intensity effectively, improved work efficiency greatly, evaded going into the artificial interference factor of factory's gathering and processing of coal process;
3. can practice thrift and make full use of the energy, effectively control production cost, improve the managed operation level.
Description of drawings
Fig. 1 is that factory's gathering and processing of coal management method process flow diagram is gone into by thermal power plant in the embodiment of the invention;
Fig. 2 is that factory's gathering and processing of coal process flow diagram is gone into by thermal power plant in the embodiment of the invention;
Fig. 3 is that thermal power plant goes into factory's coalification and tests auditing flow figure in the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explain.
Like Fig. 1-Fig. 3, factory's gathering and processing of coal management method is gone into by a kind of thermal power plant, said method comprising the steps of:
Step 1: coal vehicle information is carried in identification;
Step 2: distribute the sampling bucket;
Step 3: the encapsulation coal sample is printed the sampling sign indicating number;
Step 4: sample preparation generates the sample preparation sign indicating number;
Step 5: generate the chemical examination sign indicating number;
Step 6: chemical examination.
Said step 1 may further comprise the steps:
Step 1-1: arrive year coal vehicle of sampled point, scan said plan card, whether in violation of rules and regulations to check said year coal vehicle;
Step 1-2: said license number recognizer identification license number, to the scanning of plan card, and write down this year of coal vehicle and coal information, if artificial sample, display screen prompting " artificial sample please be overweight ", otherwise prompting " driver gets off, and waits for sampling ".
In the said step 2, control system is obtained information of vehicles, and the Sampling Machine sampling also mixes up sampling bucket position.Sample mode can change manual manipulation mode into by automatic sample mode, if reason such as be not good at owing to the driver preserves, the bar code on the plan card is damaged; Cause the bar code sequence number to be identified and then in program, design manual mode, under manual mode, colliery, the manual input of information of vehicles; Abnormal conditions such as jump the queue notify the computer operation personnel to lock car by combustion pipe personnel; And the Reporting Center pulpit, carry out probe by the related management personnel, the information of all manual inputs all can be inquired about at central station of floating dock.
Said information of vehicles comprises coordinate and the depth information that generates sampled point after vehicle information, parking spot information and the sampling head coordinate data automatically.Vehicle information comprises the length and width and the height of railway carriage, and the railway carriage length that the embodiment of the invention adopts is 8～18 meters, and wide is 2.3 meters, and height is 2.1～3 meters, and being respectively 8 meters, 2.3 meters and 2.1 meters with length and width and height is optimum.
In the said step 3, baling press encapsulation coal sample, the sampling sign indicating number that three grades of encryption systems of gathering and processing are encrypted is attached on the sample sack; Three grades of encryption systems of said gathering and processing sign indicating number of will sampling is stored in the database server with the corresponding relation in colliery.
In the said step 4, close appearance through scanner, three grades of encryption systems of said gathering and processing are understood the sampling sign indicating number, and generate the sample preparation sign indicating number by the algorithm that is provided with, and said sample preparation code encryption is attached to said sample preparation sign indicating number on the sample sack; Three grades of encryption systems of said gathering and processing are stored in the sample preparation sign indicating number in the database server.
In the said step 5, understand the sample preparation sign indicating number, and generate the chemical examination sign indicating number, print the chemical examination sign indicating number of having encrypted, and said chemical examination sign indicating number is attached on the sample sack, pass to the work of cement labouratory personnel by the algorithm of its set inside through three grades of encryption systems of said gathering and processing; Three grades of encryption systems of said gathering and processing will be chemically examined sign indicating number automatically and be stored in the database server.
In the said step 6, the chemical examination sign indicating number extracts the chemical examination raw data, and the line data of going forward side by side is examined and reported.
The content of chemical examination comprises that aquation is tested in the sky butt, empty butt bomb calorific value is chemically examined, empty butt ash is chemically examined, empty butt fugitive constituent is chemically examined, the full sulfuration of empty butt is tested with the full aquation of as received basis and tested.
Moisture determination instrument carries out in the said empty butt aquation to be tested with the full aquation of as received basis and tests, with the quality information tables of data of moisture content value record to corresponding lab work; Calorimeter carries out said empty butt bomb calorific value chemical examination, calorific value is recorded corresponding ore deposit automatically advanced the same day in the calorific value table of coal; The technical analysis analyzer carries out chemical examination of sky butt ash and the chemical examination of empty butt fugitive constituent, assay value is recorded in the quality information tables of data of corresponding lab work; Constant sulphur appliance carries out the full sulfuration of sky butt to be tested, and the sulfur value record was advanced in the sulfur value table of coal to corresponding ore deposit the same day.
Said constant sulphur appliance comprises air cleaning unit, controller, combustion furnace, electrolytic cell and stirrer; Said air cleaning unit comprises electromagnetic pump, flowmeter and exsiccator, and said electromagnetic pump makes the air turnover, and the airflow circulation power is provided, said flowmeter indication aerodynamic force size, and said exsiccator is removed airborne impurity; Said controller comprises temperature controller, Coulomb integral device and programming controller, and said combustion furnace adopts tube type high-temperature furnace.
The data audit comprises one-level audit and secondary audit, in the secondary audit chemical examination sign indicating number is decoded, and then obtains chemically examining final data, and said chemical examination final data is used for gathering ature of coal and checks and accepts situation moon form as the foundation that the clearing personnel carry out the coal price clearing; Again chemically examine when supplier exists ambiguity then to carry out sample to fire coal chemical examination final data, chemically examine again by chemical examination class of operation portion laboratory.
Saidly go into factory's pit ash content and detect through ash content detector; Said ash content detector comprises container, detecting device and automatically controlled machine; Said container comprises coal sample storehouse, funnel and is positioned at the automatic pumping board of bottom, said coal sample storehouse; Said automatic pumping board is axial vertical with said coal sample storehouse, and said automatic pumping board connects automatic dust unloading control system, ability gamma source Cs-137, ray detector and multiple tracks data analysis spectrometer during said detecting device comprises; Coal sample in the gamma photons irradiation coal sample storehouse of ability gamma source Cs-137 emission in said; Said ray detector collection sees through the middle ability gamma ray spectrum signal of coal sample; The output terminal of said ray detector connects the input end of said multiple tracks data analysis spectrometer, and the output terminal of said multiple tracks data analysis spectrometer connects said automatically controlled machine;
Top, said coal sample storehouse is provided with and connects the measurement position inlet that Sampling Machine is abandoned the appearance outlet, and its underpart is provided with the measurement position outlet that connects automatic dust unloading control system; Can be positioned in the protection body of source by gamma source Cs-137 in said, be provided with collimating aperture in the protection body of said source, the central axis of said collimating aperture and said ray detector is on same horizontal line, and the hole depth of said collimating aperture is 5～6cm, and the aperture is 1cm; The inside of said source protection body is plumbous, and the thickness of said lead is greater than 6cm; Coal sample in the gamma photons irradiation coal sample storehouse of ability gamma source Cs-137 emission in said produces the X ray of 32KeV;
The thickness of said source protection body shell is 1cm; Said shell be by carbon content be 0.10%, silicone content is 0.08%, manganese content is 0.065%, phosphorus content is 0.030%, sulfur content is 0.018%, chromium content is 15.6%, surplus is the alloy preparation of iron, described percentage is percent by weight; Said collimating aperture is built-in with thin slice, can gamma source in said Cs-137 place on the said thin slice, its distance with the aperture of said collimating aperture is 0.5cm, the distance bottom said thin slice and the said collimating aperture is 0.1mm; Said thin slice is spun glass or vinyon sheet;
Said automatically controlled machine comprises master control system, power supply, data processing and separates spectra system, display system and signal transmission system; The output terminal of said multiple tracks data analysis spectrometer connects said signal transmission system; Signal after said master control system is handled multiple tracks data analysis spectrometer is transferred to data processing and separates spectra system through said signal transmission system; Said multiple tracks data analysis spectrometer carries out A/D conversion and Digital Signal Analysis to the signal of gathering; The absorption peak of the X ray of said data processing and the said 32KeV of spectrum unscrambling systematic analysis obtains the ash content of coal response; Ability gamma rays 600KeV full energy peak obtains the mass thickness response of coal in the analysis, and said ash content of coal content and mass thickness response are all carried out online demonstration through display system;
Said automatic dust unloading control system comprises automatic ash-discharging valve, speed reduction unit and screw motor, and said automatic ash-discharging valve is a star-shaped ash unloading valve, comprises housing, impeller and end cap; Said screw motor drives said wheel rotation through shaft coupling, evenly takes the material on said housing top to bottom; Be connected with amplifier between said ray detector and the said multiple tracks data analysis spectrometer, said ray detector is NaI scintillation detector or lanthanum bromide detector, and said amplifier is a photomultiplier.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although the present invention has been carried out detailed explanation with reference to the foregoing description; Under the those of ordinary skill in field be to be understood that: still can specific embodiments of the invention make amendment or be equal to replacement; And do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (13)
1. factory's gathering and processing of coal management method is gone into by a thermal power plant, it is characterized in that: said method comprising the steps of:
Step 1: coal vehicle information is carried in identification;
Step 2: distribute the sampling bucket;
Step 3: the encapsulation coal sample is printed the sampling sign indicating number;
Step 4: sample preparation generates the sample preparation sign indicating number;
Step 5: generate the chemical examination sign indicating number;
Step 6: chemical examination.
2. factory's gathering and processing of coal management method is gone into by thermal power plant according to claim 1, and it is characterized in that: said step 1 may further comprise the steps:
Step 1-1: arrive year coal vehicle of sampled point,, whether in violation of rules and regulations to check said year coal vehicle to the scanning of plan card;
Step 1-2: said license number recognizer identification license number, to the scanning of plan card, and write down this year of coal vehicle and coal information, if artificial sample, display screen prompting " artificial sample please be overweight ", otherwise prompting " driver gets off, and waits for sampling ".
3. factory's gathering and processing of coal management method is gone into by thermal power plant according to claim 1, and it is characterized in that: in the said step 2, control system is obtained information of vehicles, and the Sampling Machine sampling also mixes up sampling bucket position.
4. factory's gathering and processing of coal management method is gone into by thermal power plant according to claim 3, it is characterized in that: said information of vehicles comprises coordinate and the depth information that generates sampled point after vehicle information, parking spot information and the sampling head coordinate data automatically.
5. factory's gathering and processing of coal management method is gone into by thermal power plant according to claim 1, it is characterized in that: in the said step 3, and baling press encapsulation coal sample, the sampling sign indicating number that three grades of encryption systems of gathering and processing are encrypted is attached on the sample sack; Three grades of encryption systems of said gathering and processing sign indicating number of will sampling is stored in the database server with the corresponding relation in colliery.
6. factory's gathering and processing of coal management method is gone into by thermal power plant according to claim 1; It is characterized in that: in the said step 4; Close appearance through scanner, three grades of encryption systems of said gathering and processing are understood the sampling sign indicating number, and generate the sample preparation sign indicating number by the algorithm that is provided with; Said sample preparation code encryption is attached to said sample preparation sign indicating number on the sample sack; Three grades of encryption systems of said gathering and processing are stored in the sample preparation sign indicating number in the database server.
7. factory's gathering and processing of coal management method is gone into by thermal power plant according to claim 1; It is characterized in that: in the said step 5; Understand the sample preparation sign indicating number through three grades of encryption systems of said gathering and processing, and generate the chemical examination sign indicating number, print the chemical examination sign indicating number of having encrypted by the algorithm of its set inside; And said chemical examination sign indicating number is attached on the sample sack, pass to the work of cement labouratory personnel; Three grades of encryption systems of said gathering and processing will be chemically examined sign indicating number automatically and be stored in the database server.
8. factory's gathering and processing of coal management method is gone into by thermal power plant according to claim 1, it is characterized in that: in the said step 6, the chemical examination sign indicating number extracts the chemical examination raw data, and the line data of going forward side by side is examined and reported.
9. factory's gathering and processing of coal management method is gone into by the thermal power plant that states according to Claim 8, it is characterized in that: the content of chemical examination comprises that aquation is tested in the sky butt, empty butt bomb calorific value is chemically examined, empty butt ash is chemically examined, empty butt fugitive constituent is chemically examined, the full sulfuration of empty butt is tested with the full aquation of as received basis and tested.
10. factory's gathering and processing of coal management method is gone into by thermal power plant according to claim 9, it is characterized in that: moisture determination instrument carries out in the said empty butt aquation to be tested with the full aquation of as received basis and tests, and calorimeter carries out said empty butt bomb calorific value chemical examination; The technical analysis analyzer carries out chemical examination of sky butt ash and the chemical examination of empty butt fugitive constituent; Constant sulphur appliance carries out the full sulfuration of sky butt and tests.
11. factory's gathering and processing of coal management method is gone into by thermal power plant according to claim 10, it is characterized in that: said constant sulphur appliance bag ` draws together air cleaning unit, controller, combustion furnace, electrolytic cell and stirrer; Said air cleaning unit comprises electromagnetic pump, flowmeter and exsiccator, and said electromagnetic pump makes the air turnover, and the airflow circulation power is provided, said flowmeter indication aerodynamic force size, and said exsiccator is removed airborne impurity; Said controller comprises temperature controller, Coulomb integral device and programming controller, and said combustion furnace adopts tube type high-temperature furnace.
12. factory's gathering and processing of coal management method is gone into by thermal power plant according to claim 8; It is characterized in that: the data audit comprises one-level audit and secondary audit; In the secondary audit chemical examination sign indicating number is decoded; And then obtaining chemically examining final data, said chemical examination final data is used for gathering ature of coal and checks and accepts situation moon form as the foundation that the clearing personnel carry out the coal price clearing; Again chemically examine when supplier exists ambiguity then to carry out sample to fire coal chemical examination final data, chemically examine again by chemical examination class of operation portion laboratory.
13. factory's gathering and processing of coal management method is gone into by thermal power plant according to claim 1; It is characterized in that: saidly go into factory's pit ash content and detect through ash content detector; Said ash content detector comprises container, detecting device and automatically controlled machine; Said container comprises coal sample storehouse, funnel and is positioned at the automatic pumping board of bottom, said coal sample storehouse; Said automatic pumping board is axial vertical with said coal sample storehouse, and said automatic pumping board connects automatic dust unloading control system, ability gamma source Cs-137, ray detector and multiple tracks data analysis spectrometer during said detecting device comprises; Coal sample in the gamma photons irradiation coal sample storehouse of ability gamma source Cs-137 emission in said; Said ray detector collection sees through the middle ability gamma ray spectrum signal of coal sample; The output terminal of said ray detector connects the input end of said multiple tracks data analysis spectrometer, and the output terminal of said multiple tracks data analysis spectrometer connects said automatically controlled machine;
Top, said coal sample storehouse is provided with and connects the measurement position inlet that Sampling Machine is abandoned the appearance outlet, and its underpart is provided with the measurement position outlet that connects automatic dust unloading control system; Can be positioned in the protection body of source by gamma source Cs-137 in said, be provided with collimating aperture in the protection body of said source, the central axis of said collimating aperture and said ray detector is on same horizontal line, and the hole depth of said collimating aperture is 5～6cm, and the aperture is 1cm; The inside of said source protection body is plumbous, and the thickness of said lead is greater than 6cm; Coal sample in the gamma photons irradiation coal sample storehouse of ability gamma source Cs-137 emission in said produces the X ray of 32KeV;
The thickness of said source protection body shell is 1cm; Said shell be by carbon content be 0.10%, silicone content is 0.08%, manganese content is 0.065%, phosphorus content is 0.030%, sulfur content is 0.018%, chromium content is 15.6%, surplus is the alloy preparation of iron, described percentage is percent by weight; Said collimating aperture is built-in with thin slice, can gamma source in said Cs-137 place on the said thin slice, its distance with the aperture of said collimating aperture is 0.5cm, the distance bottom said thin slice and the said collimating aperture is 0.1mm; Said thin slice is spun glass or vinyon sheet;
Said automatically controlled machine comprises master control system, power supply, data processing and separates spectra system, display system and signal transmission system; The output terminal of said multiple tracks data analysis spectrometer connects said signal transmission system; Signal after said master control system is handled multiple tracks data analysis spectrometer is transferred to data processing and separates spectra system through said signal transmission system; Said multiple tracks data analysis spectrometer carries out A/D conversion and Digital Signal Analysis to the signal of gathering; The absorption peak of the X ray of said data processing and the said 32KeV of spectrum unscrambling systematic analysis obtains the ash content of coal response; Ability gamma rays 600KeV full energy peak obtains the mass thickness response of coal in the analysis, and said ash content of coal content and mass thickness response are all carried out online demonstration through display system;
Said automatic dust unloading control system comprises automatic ash-discharging valve, speed reduction unit and screw motor, and said automatic ash-discharging valve is a star-shaped ash unloading valve, comprises housing, impeller and end cap; Said screw motor drives said wheel rotation through shaft coupling, evenly takes the material on said housing top to bottom; Be connected with amplifier between said ray detector and the said multiple tracks data analysis spectrometer, said ray detector is NaI scintillation detector or lanthanum bromide detector, and said amplifier is a photomultiplier.
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| CN103077442A (en) * | 2013-01-01 | 2013-05-01 | 大唐林州热电有限责任公司 | Information shielding method for whole fire coal inspection and acceptance process of thermal power plant |
| CN104881006A (en) * | 2015-03-27 | 2015-09-02 | 珠海瑞洪智能***工程有限公司 | Fire coal sampling, preparation and testing management method and apparatus |
| CN111553615A (en) * | 2020-05-13 | 2020-08-18 | 湖南现代环境科技股份有限公司 | Intelligent management system and management method for agriculture and forestry biomass storage yard |
| CN112525319A (en) * | 2020-08-24 | 2021-03-19 | 国家能源(山东)工程技术有限公司 | Intelligent fuel control system and method based on decentralized control |
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| CN111553615A (en) * | 2020-05-13 | 2020-08-18 | 湖南现代环境科技股份有限公司 | Intelligent management system and management method for agriculture and forestry biomass storage yard |
| CN112525319A (en) * | 2020-08-24 | 2021-03-19 | 国家能源(山东)工程技术有限公司 | Intelligent fuel control system and method based on decentralized control |
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