[go: up one dir, main page]

CN201207037Y - Near infrared on-line detecting analyzer for coal quality - Google Patents

Near infrared on-line detecting analyzer for coal quality Download PDF

Info

Publication number
CN201207037Y
CN201207037Y CN 200820012725 CN200820012725U CN201207037Y CN 201207037 Y CN201207037 Y CN 201207037Y CN 200820012725 CN200820012725 CN 200820012725 CN 200820012725 U CN200820012725 U CN 200820012725U CN 201207037 Y CN201207037 Y CN 201207037Y
Authority
CN
China
Prior art keywords
lens
near infrared
detector
microprocessor
optical filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200820012725
Other languages
Chinese (zh)
Inventor
杨洪
卢启鹏
胡大力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIAONING DONGXIN SHENGDA TECHNOLOGY Co Ltd
Original Assignee
LIAONING DONGXIN SHENGDA TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LIAONING DONGXIN SHENGDA TECHNOLOGY Co Ltd filed Critical LIAONING DONGXIN SHENGDA TECHNOLOGY Co Ltd
Priority to CN 200820012725 priority Critical patent/CN201207037Y/en
Application granted granted Critical
Publication of CN201207037Y publication Critical patent/CN201207037Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The utility model relates to a near infrared coal quality online detecting analyzer, comprising a quartz halogen lamp light source, a lens, and a control and data processing and analyzing system. The quartz halogen lamp light source is a tungsten halide lamp, the lens is arranged before the tungsten halide lamp, and a light filter disc is arranged before the lens. A plurality of light filters are arranged on the light filter disc, and the light filter disc is connected with a step motor. A reflector is arranged at one end of the light filter disc, corresponding to the lens; a sample pool is arranged below the reflector; and a focusing lens and a detector are arranged above the sample pool. The detector is connected with a preamplifier of the control and data processing, analyzing and displaying system which is composed of the preamplifier, a phase locked amplifying low-pass filter, a microprocessor and a liquid crystal display, which are connected in sequence. The microprocessor, a step motor controller and the step motor are connected sequentially. The near infrared coal quality online detecting analyzer can detect the quality of the coal fed into a furnace at real time so that an operator can adjust burning in time, thus ensuring that the unit operates safely and stably.

Description

The online check and analysis instrument of near infrared ature of coal
Technical field
The utility model relates to a kind of analysis and detection device, particularly relates to the online check and analysis instrument of a kind of near infrared ature of coal.
Background technology
Coal elemental composition be electric power, chemical industry, etc. the important indicator parameter of process of producing product.At present, artificial sample, sample preparation and assay are generally adopted in the coal elemental composition analysis, and this method gathers and processes that the sample error is big, and analysis speed is slow, and analysis indexes is limited, is subjected to artificial factor easily.Such as going in the fuel-burning power plant in factory's coal check, phenomenons such as blending colm, gangue often take place, traditional sample analytical approach of gathering and processing is difficult to find effectively, has caused very big loss to the user.In the production run of fuel-burning power plant; going into stove coal ature of coal is the key parameter that influences the safe and economical boiler operation; traditional analytical approach is because analysis speed is slow; seriously lag behind the needs of production; under the situation inferior in ature of coal, that fluctuation is big; not only boiler operating efficiency is low, and accident such as easily shut down, stop working, and has seriously influenced the fuel-burning power plant safety and economic operation.
Summary of the invention
The purpose of this utility model provides the online check and analysis instrument of a kind of near infrared ature of coal, and this device analysis speed is fast, can guarantee unit safety stable operation.
For addressing the above problem, the technical solution adopted in the utility model is:
The online check and analysis instrument of a kind of near infrared ature of coal, comprise quartz halogen lamp source, lens, control and Data Management Analysis system, be provided with lens before the quartz halogen lamp source, be provided with an optical filter dish before the lens, be placed with several optical filters on the optical filter dish, the optical filter dish links to each other with stepper motor, at optical filter dish one end, the corresponding catoptron that is provided with lens, the catoptron below is provided with sample cell, and the sample cell top is provided with condenser lens and detector; Detector is connected with the prime amplifier of control and Data Management Analysis display system, control and Data Management Analysis display system are connected to form successively by prime amplifier, phase-locked amplification low pass device, microprocessor, LCD, microprocessor, controllor for step-by-step motor, stepper motor connect successively, temperature controller one end connects microprocessor, and the other end connects detector.
Described quartz halogen lamp source adopts halogen tungsten lamp.
The beneficial effects of the utility model are:
(1) can measure the analysis of multiple coal content index simultaneously;
(2) not using any chemical reagent, without any damage, is the environmental protection analytical instrument to sample;
(3) the embedded multiple near infrared commonly used calibration operation method of this software platform can be realized the foundation and the optimization of different calibration models, can verify fast standard model;
(4) will make up generating algorithm and introduce near-infrared spectral analysis technology, traditional calibrating method will be improved, can set up calibration model rapidly and accurately;
(5) the even lamp optical system of high stability electronic system and high-performance;
(6) the near automatically mechanism that gives of pinpoint optical filter dish and sample;
(7) near infrared receives the device thermostatic control;
(8) revised the influence of environment temperature to data collection and analysis;
(9) because analysis speed is fast, can accomplish the on-line measurement of production line.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
See Fig. 1, the online check and analysis instrument of a kind of near infrared ature of coal, comprise quartz halogen lamp source 1, lens 2, control and Data Management Analysis system, the quartz halogen lamp source adopts halogen tungsten lamp, be provided with lens 2 before the quartz halogen lamp source 1, be provided with an optical filter dish 3 before the lens 2, be placed with several optical filters 4 on the optical filter dish 3, optical filter dish 3 links to each other with stepper motor 5, at optical filter dish 3 one ends, with the lens 2 corresponding catoptrons 6 that are provided with, catoptron 6 belows are provided with sample cell 7, and sample cell 7 tops are provided with condenser lens 8 and detector 9; Detector 9 is connected with the prime amplifier of control and Data Management Analysis display system, control and Data Management Analysis display system are connected to form successively by prime amplifier, phase-locked amplification low pass device, microprocessor, LCD, microprocessor, controllor for step-by-step motor, stepper motor 5 connect successively, temperature controller one end connects microprocessor, and the other end connects detector 9.
The signal to noise ratio (S/N ratio) of instrument is better than 5000:1.Light source adopts halogen tungsten lamp, stability of power supply 0.01%.Light sends from light source, by optically focused, collimation, modulation, projects on the sample after the interference filter beam split.In order to adapt to the needs that the different cultivars heterogeneity is analyzed, there is the interference filter of several different wave lengths to be installed on the rotatable wheel disc, by step motor drive.Select how many optical filters individual and what wavelength during practical application for use, decide by computerized optimization with regard to analytic target.The half-peak bandwidth of interference filter is generally about 1% of peak wavelength.Detector is a constant temperature electricity refrigeration vulcanized lead, and temperature stability guarantees at ± 0.1 ℃, evenly distributes in 0 °/45 ° modes.The degree of stability of detector bias voltage and repeatability are very crucial, and its lasting accuracy need reach 0.001%.Diffusing of receiving obtains analog voltage signal through opto-electronic conversion, amplification, demodulation, converts digital quantity to by high-precision a/d converter again and sends into microprocessor and handle.During system works, the measurement that hockets of standard and sample, measured like this sample spectra absorbance is for the normative reference plate.

Claims (2)

1, the online check and analysis instrument of a kind of near infrared ature of coal, it is characterized in that, comprise quartz halogen lamp source, lens, control and Data Management Analysis system, be provided with lens before the quartz halogen lamp source, be provided with an optical filter dish before the lens, be placed with several optical filters on the optical filter dish, the optical filter dish links to each other with stepper motor, at optical filter dish one end, and the corresponding catoptron that is provided with lens, the catoptron below is provided with sample cell, and the sample cell top is provided with condenser lens and detector; Detector is connected with the prime amplifier of control and Data Management Analysis display system, control and Data Management Analysis display system are connected to form successively by prime amplifier, phase-locked amplification low pass device, microprocessor, LCD, microprocessor, controllor for step-by-step motor, stepper motor connect successively, temperature controller one end connects microprocessor, and the other end connects detector.
2, the online check and analysis instrument of a kind of near infrared ature of coal according to claim 1 is characterized in that, described quartz halogen lamp source adopts halogen tungsten lamp.
CN 200820012725 2008-05-16 2008-05-16 Near infrared on-line detecting analyzer for coal quality Expired - Fee Related CN201207037Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200820012725 CN201207037Y (en) 2008-05-16 2008-05-16 Near infrared on-line detecting analyzer for coal quality

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200820012725 CN201207037Y (en) 2008-05-16 2008-05-16 Near infrared on-line detecting analyzer for coal quality

Publications (1)

Publication Number Publication Date
CN201207037Y true CN201207037Y (en) 2009-03-11

Family

ID=40466098

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200820012725 Expired - Fee Related CN201207037Y (en) 2008-05-16 2008-05-16 Near infrared on-line detecting analyzer for coal quality

Country Status (1)

Country Link
CN (1) CN201207037Y (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101782507A (en) * 2010-03-03 2010-07-21 煤炭科学研究总院沈阳研究院 Spectral analyzing method of underground polar mixed gas in coal mine
CN103434647A (en) * 2013-09-11 2013-12-11 中国民航大学 Airplane residual ice monitoring device capable of eliminating environment interference
CN103728268A (en) * 2013-12-17 2014-04-16 沈阳工程学院 Near-infrared on-line coal quality measurement device
CN103838273A (en) * 2014-03-26 2014-06-04 徐云鹏 Intelligent temperature control system for liquid analysis
CN104215586A (en) * 2014-09-15 2014-12-17 山东省科学院海洋仪器仪表研究所 Portable type rapid detection device and method for pollution of fruits and vegetables
CN104330380A (en) * 2014-10-20 2015-02-04 东北大学 Sample collection and preparation device for collecting near infrared spectrum of coal powder on line
CN104390928A (en) * 2014-10-24 2015-03-04 中华人民共和国黄埔出入境检验检疫局 Near-infrared spectral recognition method for coal adulteration
CN106680019A (en) * 2015-11-05 2017-05-17 山东信华电力科技有限公司 On-line coal quality laser detection and analysis system
CN108519330A (en) * 2018-04-03 2018-09-11 北京英思创科技有限公司 Coal elemental composition real-time and precise detecting system and method
CN109211822A (en) * 2017-07-03 2019-01-15 联光学工业股份有限公司 infrared reflected light measuring device

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101782507A (en) * 2010-03-03 2010-07-21 煤炭科学研究总院沈阳研究院 Spectral analyzing method of underground polar mixed gas in coal mine
CN103434647A (en) * 2013-09-11 2013-12-11 中国民航大学 Airplane residual ice monitoring device capable of eliminating environment interference
CN103728268A (en) * 2013-12-17 2014-04-16 沈阳工程学院 Near-infrared on-line coal quality measurement device
CN103728268B (en) * 2013-12-17 2015-12-30 沈阳工程学院 Near infrared ature of coal on-line measurement device
CN103838273A (en) * 2014-03-26 2014-06-04 徐云鹏 Intelligent temperature control system for liquid analysis
CN104215586A (en) * 2014-09-15 2014-12-17 山东省科学院海洋仪器仪表研究所 Portable type rapid detection device and method for pollution of fruits and vegetables
CN104330380B (en) * 2014-10-20 2017-02-15 东北大学 Sample collection and preparation device for collecting near infrared spectrum of coal powder on line
CN104330380A (en) * 2014-10-20 2015-02-04 东北大学 Sample collection and preparation device for collecting near infrared spectrum of coal powder on line
CN104390928A (en) * 2014-10-24 2015-03-04 中华人民共和国黄埔出入境检验检疫局 Near-infrared spectral recognition method for coal adulteration
CN104390928B (en) * 2014-10-24 2018-03-20 中华人民共和国黄埔出入境检验检疫局 A kind of near infrared spectrum recognition methods for adulterating adulterated coal
CN106680019A (en) * 2015-11-05 2017-05-17 山东信华电力科技有限公司 On-line coal quality laser detection and analysis system
CN109211822A (en) * 2017-07-03 2019-01-15 联光学工业股份有限公司 infrared reflected light measuring device
CN108519330A (en) * 2018-04-03 2018-09-11 北京英思创科技有限公司 Coal elemental composition real-time and precise detecting system and method

Similar Documents

Publication Publication Date Title
CN201207037Y (en) Near infrared on-line detecting analyzer for coal quality
CN207946353U (en) A kind of gas concentration detection apparatus
CN200972457Y (en) Investigater for ultraviolet transmissivity
CN110823833B (en) A kind of online monitoring device and method for CO concentration in flue gas mixed sampling pattern
CN104111234A (en) Method and device for online detection of biomass basic characteristics based on near infrared spectroscopy
CN104034670A (en) Dual-index water quality on-line analysis method and apparatus for simultaneous determination of COD and ammonia nitrogen
CN107037004A (en) A kind of TDLAS detects SF6The device and method of humidity in electrical equipment
CN102507507B (en) Device and method for detecting concentration of gas to be detected through temperature correction
CN105606562A (en) Near-infrared diffuse reflection automatic correcting probe
CN103364360B (en) Moisture teller
CN102928081B (en) Acousto-optic adjustable filtering type near-infrared spectrometer
CN110411971A (en) A kind of on-Line Monitor Device of methane and non-methane total hydrocarbons content
CN103528988A (en) Portable near-infrared analyzer
CN104833657B (en) With the laser radio sand meter laterally compensated
CN203881653U (en) Automatic analyzer for free silicon dioxide in dust
CN203561585U (en) Portable type near-infrared analyzer
CN104406941A (en) Multifunctional food safety comprehensive detector
CN105334166A (en) Dual-detector near-infrared spectroscopy used for food composition analysis
CN211122523U (en) A portable device for rapid detection of nitrate content in fruits and vegetables
CN112577922A (en) Detection method for analyzing nitric-sulfuric mixed acid
CN100501377C (en) Device for rapid identification of rice wine age based on near-infrared spectroscopy
CN110887794A (en) A two-dimensional atmospheric trace gas profile measurement system
CN105841931A (en) Spectral response test system and test method
CN203337541U (en) Gas analyzer
CN207007711U (en) A kind of TDLAS detects SF6The device of humidity in electrical equipment

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Liaoning Zhongxin Automatic Control Group Co., Ltd.

Assignor: Liaoning Dongxin Shengda Technology Co., Ltd.

Contract record no.: 2011210000067

Denomination of utility model: Near infrared on-line detecting analyzer for coal quality

Granted publication date: 20090311

License type: Exclusive License

Record date: 20110624

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090311

Termination date: 20150516

EXPY Termination of patent right or utility model