CN2914071Y - Continuous fume emission monitoring system - Google Patents

Continuous fume emission monitoring system Download PDF

Info

Publication number
CN2914071Y
CN2914071Y CN 200620105383 CN200620105383U CN2914071Y CN 2914071 Y CN2914071 Y CN 2914071Y CN 200620105383 CN200620105383 CN 200620105383 CN 200620105383 U CN200620105383 U CN 200620105383U CN 2914071 Y CN2914071 Y CN 2914071Y
Authority
CN
China
Prior art keywords
heating
measuring cell
monitoring
measurement
pretreatment unit
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 200620105383
Other languages
Chinese (zh)
Inventor
王健
李亮
于志伟
刘罡
谢正春
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.)
Focused Photonics Hangzhou Inc
Original Assignee
王健
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 王健 filed Critical 王健
Priority to CN 200620105383 priority Critical patent/CN2914071Y/en
Application granted granted Critical
Publication of CN2914071Y publication Critical patent/CN2914071Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model discloses a continuous monitoring device for flue gas emission, including a sampling probe and a first measuring device. The continuous monitoring device for flue gas emission is also provided with a heating device. And the sampling probe is connected with the heating device and is equipped with a pre-treatment device and a measuring cell, which are connected and heated up. The light emitted from the first measuring device pass through the heating measuring cell, in order to measure the concentration of at least one measured gas in the heating measuring cell or the concentration of the simple substance or compound in non-gas state in normal state but in gas state in the heating measuring cell. The system has the advantages of less measuring errors, low cost, quick response speed, good expansibility, easy calibration and high reliability.

Description

A kind of flue gas discharge continuous monitoring system
Technical field
The utility model relates to the continuous flue gas monitoring field, particularly a kind of flue gas discharge continuous monitoring system.
Background technology
Flue gas discharge continuous monitoring system is a kind of system that the smoke emissioning pollution source is monitored.A kind of existing flue gas discharge continuous monitoring system comprises heating sampler, heat tracing pipe, heating measuring cell and measurement mechanism.The heating sampler generally is installed in the middle part of tested chimney etc. or higher, and the position is higher.Flue gas in the tested chimney etc. is through after the sampling of heating sampler, filtering, lead to ground heating measuring cell through omnidistance heat tracing pipe, use measurement mechanism then and record each component of heating measurement pool gas such as the concentration of sulphuric dioxide, oxides of nitrogen, ammonia and hydrogen chloride etc.Described measurement mechanism adopts differential optical absorption spectrum technology, Fuli's leaf spectral analysis technique and Non-Dispersive Infra-red (NDIR) analytical technology to wait analytical gas concentration usually.Yet this type systematic also has following deficiency: 1) the Measuring Time delay is bigger, measures owing to need lead to the flue gas in the tested pipeline in the measuring cell by long heat tracing pipe, causes bigger time delay; Just need to use the aspiration pump of big flow and want to reduce time delay, but this scheme is accelerating also to have strengthened the load of pretreatment system in the response time, as cause that sampler is easily blocked, condenser duty becomes and is prone to fault greatly; 2) cost height, on the one hand, the unit price height of heat tracing pipe, and need to use long heat tracing pipe usually; On the other hand, sampler, heat tracing pipe and measuring cell all need independently attemperating unit; 3) measuring error is big, flue gas will be transferred to the heating measuring cell through long heat tracing pipe, but this long heat tracing pipe may exist the heating inequality to cause the not heated phenomenon in heat tracing pipe part, and distortion may take place the composition in this transmission course in the flue gas, causes to measure and is forbidden; 4) likelihood of failure increases, and the heating inequality that long heat tracing pipe may exist can cause that the pipeline under the low ambient temperature is icing to break; 5) installation and maintenance inconvenience need be led the analytic system on ground to long heat tracing pipe from tested chimney eminence.
Another flue gas discharge continuous monitoring system commonly used is an original position formula monitoring system, one measuring sonde is inserted in the tested pipeline, the light that the light emitting devices of monitoring system sends is installed in after the light reflecting device reflection of measuring sonde end again that the optical pickup apparatus of monitored system receives, and the analysis of received signal feed signals treating apparatus obtains each component concentrations in the tested flue gas.Although this system has avoided the use heat tracing pipe, mainly there is following deficiency but exist: 1) demarcate trouble, usually demarcate again after need from tested chimney, being shifted out the measuring sonde of the monitoring system that is installed in tested chimney eminence, because country and industry standard regulation need be carried out regular demarcation to flue gas discharge continuous monitoring system, this has brought big inconvenience to the user; 2) expansion of such monitoring system is relatively poor, and the measurement gas kind is subject to the optical measurement principle that monitoring system adopts, and can't measure carbon monoxide and carbon dioxide as the ultraviolet difference method, needs to increase new monitoring system this moment and analyzes these gaseous species; 3) measuring accuracy is low, and measuring sonde need be inserted in the tested pipeline, and test environment is often very abominable, the temperature height, and dust is many, and airflow fluctuation is big etc., and these factors have reduced the accuracy of measuring; 4) maintenance workload is big, because measuring sonde need be inserted in the tested pipeline, measuring sonde is easily corroded by some corrosive gass, and dust, the tar in the gas also can pollute light reflecting device simultaneously, needs the cleaned at regular intervals optical element, has strengthened maintenance workload.
The utility model content
The technical matters of the utility model solution is to overcome above-mentioned defective, and the flue gas discharge continuous monitoring system that a kind of cost is low, measuring error is little, reliability is high, the measurement response is fast, demarcation is easy, maintainability is good is provided.
The purpose of this utility model is achieved by following technical proposals:
A kind of flue gas discharge continuous monitoring system, comprise the sampling probe and first measurement mechanism, described monitoring system also is provided with a heating arrangement, described sampling probe is connected with heating arrangement, pretreatment unit and measuring cell are installed in the described heating arrangement, and described pretreatment unit is connected with measuring cell and all is heated; The light that described first measurement mechanism sends passes described heating measuring cell, and then to measure in the described heating measuring cell under at least a tested gas or the normality be on-gaseous but be the simple substance or the compound concentrations of gaseous state in the heating measuring cell.
Described pretreatment unit and measuring cell are to be heated together or independent separately heating.
On the described heating arrangement heating plate is installed.
Be separately installed with heating member on described pretreatment unit and the measuring cell.
Described pretreatment unit is connected with described measuring cell by tracheae, and the part of described tracheae is in described heating arrangement outside.
Described pretreatment unit is a filtrator.
Described first measurement mechanism comprises differential optical absorption spectroanalysis device.
Described monitoring system also comprises the de-watering apparatus and second measurement mechanism; The de-watering apparatus that is used for removing the moisture of the gaseous component of discharging from described heating measuring cell is connected with described heating measuring cell; Second measurement mechanism that is used for measuring the concentration of at least a tested gas of gaseous component after de-watering apparatus dewaters is installed in the gas circuit in described de-watering apparatus downstream.
Described second measurement mechanism comprises absorption spectrum or Raman spectrum or fluorescence spectrum or galvanochemistry or paramagnetic analytical equipment.
Described first measurement mechanism also comprises oxygen sensor or humidity sensor or pressure transducer or temperature sensor, and described second measurement mechanism also comprises oxygen sensor or temperature sensor or pressure transducer.
Compared with prior art, advantage of the present utility model is: 1) system cost is low, has saved expensive heat tracing pipe and a plurality of attemperating unit, has reduced cost; 2) precision height, owing to be that the flue gas in the tested pipeline directly is transferred to the heating measuring cell after taking a sample, gaseous component and the composition in the pipeline in the heating measuring cell are very approaching, simultaneously, tested gas was handled through pretreatment unit, did not have particles such as dust; 3) response speed is fast, has saved heat tracing pipe, has reduced measurement time delay; 4) expansibility is good, can more easily expand other measurement mechanisms, can analyze more gas componants by other measurement mechanisms of expansion after tested flue gas is discharged in the measuring cell; 5) demarcate easily, the gas bottle is connected to the front or the back of measuring cell, can realize automatically, regularly monitoring system be carried out original position and demarcate by the software design in the measurement mechanism; 6) reliability height, maintenance workload is little, has saved the heat tracing pipe that is prone to fault, does not also need often to clean optical element, can use the sample gas than low discharge simultaneously, and sampling and pretreatment unit load are little.
Description of drawings
Fig. 1 is the structural representation of a kind of flue gas discharge continuous monitoring system of the present utility model;
Fig. 2 is the structural representation of second kind of flue gas discharge continuous monitoring system of the present utility model;
Fig. 3 is the structural representation of first measurement mechanism;
Fig. 4 is the structural representation of second measurement mechanism.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1:
As Fig. 1, shown in Figure 3, a kind of flue gas discharge continuous monitoring system comprises sampling probe 2, heating arrangement 6, first measurement mechanism, aspiration pump 8, gas bottle 17 and valve 4,15,16.Described sampling probe 2 is installed on the tested pipeline 1 and with heating arrangement 6 and is connected.Pretreatment unit 3 is installed as filtrator, valve 4 and measuring cell 5 in the heating arrangement 6, pretreatment unit 3 connects valve 4, measuring cell 5 successively.The outer rim of heating arrangement 6 is equipped with the electric boiling plate (not shown), and pretreatment unit 3 and measuring cell 5 are heated together like this, thereby makes gaseous state composition and the composition in the tested pipeline 1 in the heating measuring cell 5 very approaching.Described valve 15 is installed on the tracheae behind the pretreatment unit 3, and valve 16 and gas bottle 17 are installed on the gas circuit in heating measuring cell 5 downstreams.
First measurement mechanism comprises that being installed in one in the instrument cabinet overlaps ultraviolet difference optical absorption spectra analytical equipment 7 and be installed in first oxygen sensor, humidity sensor, temperature sensor and the pressure transducer (all not shown) that heats on the measuring cell 5.Described analytical equipment 7 comprises light source 70, optical fiber 71,72, optical pickup apparatus 73 and signal processor 74, the working method of described analytical equipment 7 is as follows: the light that ultraviolet source 70 sends as xenon lamp is connected to an end of heating measuring cell 5 by optical fiber 71, be connected with optical pickup apparatus 73 by another optical fiber 72 again after passing the gaseous component in the heating measuring cell 5, described optical pickup apparatus 73 comprises light-splitting device and photoelectric commutator, the light that this optical pickup apparatus 73 receives is by light-splitting device such as grating beam splitting, be converted to electric signal and 74 analyses of feed signals processor and consider the temperature and pressure that heats in the measuring cell 5 by photoelectric commutator afterwards, thereby analyze the concentration that obtains heating at least a gaseous material in the measuring cell 5.Described gaseous material comprises under gas, the normality to be on-gaseous but to be the simple substance or the compound of gaseous state in heating in the measuring cell.This first measurement mechanism can measure easily molten exactly and gas that can be water-soluble and normality under be on-gaseous but in the heating measuring cell, be the simple substance or the compound concentrations of gaseous state.After aspiration pump 8 is installed in heating measuring cell 5, be used to extract out the flue gas in the tested pipeline 1.Certainly, also can substitute described aspiration pump 8 with fluidic device.Tested flue gas leads to back in the tested pipeline 1 at last.
The course of work of above-mentioned flue gas discharge continuous monitoring system is: the flue gas in a. tested pipeline 1 is by sampling probe 2 samplings; B. tested flue gas is passed into heating arrangement 6, and pretreatment unit 3, valve 4 and measuring cell 5 in the heating arrangement 6 are heated together as 150 ℃, and flue gas is filtered by the pretreatment unit 3 of heating earlier in heating arrangement 6, leads in the heating measuring cell 5 by valve 4 afterwards.C. described temperature and pressure sensor records the temperature and pressure that heats this moment in the measuring cell 5; Analytical equipment 7 in the instrument cabinet is measured the concentration of at least a gaseous material in the heating measuring cell 5, as some gases soluble in water such as ammonia, sulphuric dioxide, hydrogen chloride, hydrogen fluoride, with be on-gaseous under oxides of nitrogen such as nitrogen monoxide, nitrogen dioxide and the normality but be the concentration of simple substance such as mercury and the compound such as the carbon disulphide of gaseous state in the measuring cell in heating; The lambda sensor and the humidity sensor measurement that are installed on the heating measuring cell go out oxygen concentration and moisture concentration in the flue gas; Flue gas is discharged the back from heating measuring cell 5 and is sent back in the tested pipeline 1.
After described monitoring system is used a period of time, sampling probe 2 and pretreatment unit 3 may be blocked, at this moment valve-off 4, open valve 15 and blowback sampling probe 2 and pretreatment unit 3, the foreign material such as dirt of deposition in sampling probe 2 and the pretreatment unit 3 are blown in the tested pipeline 1, make monitoring system be able to operate as normal.
When described monitoring system needs timing signal, monitoring system is closed aspiration pump 8 automatically, opens valve 16, and the gases in the gas bottle 17 are led in the heating measuring cell 5, thereby realizes the demarcation to first measurement mechanism, and gas flows in the tested pipeline 1 at last.
Embodiment 2:
As Fig. 2, shown in Figure 4, a kind of flue gas discharge continuous monitoring system, as different from Example 1: on the described heating measuring cell 5 humidity sensor and pressure transducer are installed no longer.The outer rim of heating arrangement 6 is no longer installed heating plate, but in the outer rim of pretreatment unit 3 and measuring cell 5 the heating member (not shown) is installed respectively, thereby can make pretreatment unit 3 and measuring cell 5 keep different temperatures.Tested flue gas leads to heating measuring cell 5 through tracheae after discharging from pretreatment unit 3, and the part of described tracheae is exposed to heating arrangement 6 outsides, and on the expose portion of tracheae mounted valve 4.Described monitoring system also comprises de-watering apparatus, second measurement mechanism, and heating measuring cell 5 connects described de-watering apparatus such as cooling device 9 by tracheae, water pot 10, displacement can 11 and filtrator 12, and wherein cooling device 9 is connected with filtrator 12; The gas of discharging from filtrator 12 is connected to the instrument cabinet by tracheae.
Second measurement mechanism comprises that a cover is installed in the semi-conductor laser absorption spectrum analytical equipment 14 in the instrument cabinet, and described analytical equipment 14 comprises light source 140, photoelectric commutator 141, signal processor 142 and gas compartment 143; The working method of described analytical equipment 14 is as follows: the light that light source 140 sends as laser instrument passes the tested gas in the gas compartment 143, received and be converted to electric signal by photoelectric commutator 141 afterwards, then electric signal feed signals processor 142 is analyzed, thus the concentration of gas in the gaseous component after obtaining dewatering.Second measurement mechanism also comprises the second oxygen sensor (not shown) and pressure transducer 13; The second oxygen sensor (not shown) is installed on the tracheae in the instrument cabinet, and described pressure transducer 13 is connected with described cooling device 9.Aspiration pump 8 is installed on the gas circuit between filtrator 12 and the analytical equipment 14, is used to extract out the flue gas in the pipeline 1.Flue gas can feed in the tested pipeline 1 or other analytical equipments after instrument cabinet is discharged again.
The course of work of above-mentioned flue gas discharge continuous monitoring system is: the flue gas in a. tested pipeline 1 is by sampling probe 2 samplings; B. flue gas is passed into heating arrangement 6 after, and pretreatment unit 3 in the heating arrangement 6 and measuring cell 5 be separately by independent heating, such as, the pretreatment unit temperature is 200 ℃, heating measuring cell temperature is 150 ℃; Flue gas is filtered by the pretreatment unit 3 of heating earlier in heating arrangement 6, leads in the heating measuring cell 5 by valve 4 afterwards.C. heat temperature sensors in the measuring cell 5 and record temperature in the measuring cell 5 this moment; Analytical equipment 7 in the instrument cabinet is measured in the heating measuring cell 5 under at least a tested gases or the normality to be on-gaseous but to be the simple substance or the compound concentrations of gaseous state in heating measuring cell 5.Specific to present embodiment, described tested gas can comprise gas soluble in water such as ammonia, sulphuric dioxide, hydrogen chloride, hydrogen fluoride and oxides of nitrogen such as nitrogen monoxide, nitrogen dioxide, described gaseous elemental such as mercury, described gaseous compound such as carbon disulphide; Heat the content that the measuring cell 5 first interior oxygen sensors record oxygen in flue gas this moment simultaneously; D. afterwards by de-watering apparatus such as cooling device 9, the moisture from the flue gas that heating measuring cell 5 is discharged is removed in water pot 10, displacement can 11 condensations, also having removed some gases soluble in water such as ammonia, sulphuric dioxide, hydrogen chloride, hydrogen fluoride etc. in the condensation removal process, is that the simple substance and the compound of on-gaseous also is cooled to liquid/solid under those normalities.Pressure transducer 13 records the pressure of flue gas in the cooling device 9, and the pressure in this pressure and the heated air pond much at one; Flue gas is discharged the back from cooling device 9 and is filtered out the liquid/solid particle by filtrator 12; Lead in the instrument cabinet by tracheae afterwards.E. second oxygen sensor on the tracheae in the instrument cabinet records the oxygen content in the back gas that dewaters; Analytical equipment 14 in the last instrument cabinet is measured the concentration of some gas compositions such as carbon monoxide etc. in the gaseous component after dewatering.
When foreign material such as deposition dirt in the sampling probe 2 of described monitoring system and the pretreatment unit 3, need timing signal, corresponding processing mode is identical with embodiment 1.
According to national standard, one is enclosed within the content that the flue gas discharge continuous monitoring system of measuring smoke components under the heating condition also will be measured water in the heating flue gas, here can calculate the content of water in the flue gas by the reading of first oxygen sensor in the heating measuring cell 5 and second oxygen sensor on the tracheae in the instrument cabinet, simple and fast.
It is pointed out that the foregoing description should not be construed as the restriction to the utility model protection domain.Such as in the above-described embodiments, described analytical equipment 7 is connected with the heating measuring cell by optical fiber, certainly first measurement mechanism can also be installed in the one or both sides of heating measuring cell, thereby the light that analytical equipment 7 is sent passes the tested composition in the heating measuring cell.Under the situation that does not break away from the utility model spirit, any type of change that the utility model is made all should fall within the protection domain of the present utility model.

Claims (10)

1, a kind of flue gas discharge continuous monitoring system, comprise the sampling probe and first measurement mechanism, it is characterized in that: described flue gas discharge continuous monitoring system also is provided with a heating arrangement, described sampling probe is connected with heating arrangement, pretreatment unit and measuring cell are installed in the described heating arrangement, and described pretreatment unit is connected with measuring cell and all is heated; The light that described first measurement mechanism sends passes described heating measuring cell, and then to measure in the described heating measuring cell under at least a tested gas or the normality be on-gaseous but be the simple substance or the compound concentrations of gaseous state in the heating measuring cell.
2, monitoring system according to claim 1 is characterized in that: described pretreatment unit and measuring cell are to be heated together or independent separately heating.
3, monitoring system according to claim 1 and 2 is characterized in that: on the described heating arrangement heating plate is installed.
4, monitoring system according to claim 1 and 2 is characterized in that: be separately installed with heating member on described pretreatment unit and the measuring cell.
5, monitoring system according to claim 1 is characterized in that: described pretreatment unit is connected with described measuring cell by tracheae, and the part of described tracheae is in described heating arrangement outside.
6, monitoring system according to claim 1 is characterized in that: described pretreatment unit is a filtrator.
7, monitoring system according to claim 1 is characterized in that: described first measurement mechanism comprises differential optical absorption spectroanalysis device.
8, monitoring system according to claim 1 is characterized in that: described monitoring system also comprises the de-watering apparatus and second measurement mechanism; The de-watering apparatus that is used for removing the moisture of the gaseous component of discharging from described heating measuring cell is connected with described heating measuring cell; Second measurement mechanism that is used for measuring the concentration of at least a tested gas of gaseous component after de-watering apparatus dewaters is installed in the gas circuit in described de-watering apparatus downstream.
9, monitoring system according to claim 8 is characterized in that: described second measurement mechanism comprises absorption spectrum or Raman spectrum or fluorescence spectrum or galvanochemistry or paramagnetic analytical equipment.
10, monitoring system according to claim 8, it is characterized in that: described first measurement mechanism also comprises oxygen sensor or humidity sensor or pressure transducer or temperature sensor, and described second measurement mechanism also comprises oxygen sensor or temperature sensor or pressure transducer.
CN 200620105383 2006-07-04 2006-07-04 Continuous fume emission monitoring system Expired - Fee Related CN2914071Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620105383 CN2914071Y (en) 2006-07-04 2006-07-04 Continuous fume emission monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620105383 CN2914071Y (en) 2006-07-04 2006-07-04 Continuous fume emission monitoring system

Publications (1)

Publication Number Publication Date
CN2914071Y true CN2914071Y (en) 2007-06-20

Family

ID=38168672

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620105383 Expired - Fee Related CN2914071Y (en) 2006-07-04 2006-07-04 Continuous fume emission monitoring system

Country Status (1)

Country Link
CN (1) CN2914071Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101788486A (en) * 2010-03-02 2010-07-28 武汉钢铁(集团)公司 Flue gas on-line analysis device of converter hot end
CN102419304A (en) * 2010-09-25 2012-04-18 北京牡丹联友电子工程有限公司 Optical measuring probe system for high-humidity low-concentration flue gas pollutants
CN102941003A (en) * 2012-11-20 2013-02-27 意昂神州(北京)科技有限公司 Equipment and method for detecting flue gas discharged by power plant
CN105067553A (en) * 2015-08-14 2015-11-18 安徽蓝盾光电子股份有限公司 Heat tracing tank based high-precision FTIR (Fourier transform infrared spectroscopy) online measurement system for flue gas

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101788486A (en) * 2010-03-02 2010-07-28 武汉钢铁(集团)公司 Flue gas on-line analysis device of converter hot end
CN102419304A (en) * 2010-09-25 2012-04-18 北京牡丹联友电子工程有限公司 Optical measuring probe system for high-humidity low-concentration flue gas pollutants
CN102941003A (en) * 2012-11-20 2013-02-27 意昂神州(北京)科技有限公司 Equipment and method for detecting flue gas discharged by power plant
CN102941003B (en) * 2012-11-20 2016-01-20 意昂神州(北京)科技有限公司 A kind of equipment for detecting power plant emission flue gas and method
CN105067553A (en) * 2015-08-14 2015-11-18 安徽蓝盾光电子股份有限公司 Heat tracing tank based high-precision FTIR (Fourier transform infrared spectroscopy) online measurement system for flue gas

Similar Documents

Publication Publication Date Title
CN100504351C (en) Method and system for monitoring continuous exhaust of smoke
CN1866027B (en) Integrated gas online detector
CN100489535C (en) Method for continuously monitoring smoke discharge and the device
CN1908623B (en) Multi-component infrared online gas analyzer
CN201803886U (en) Gas pretreatment device and gaseous component monitoring system employing same
CN101387616A (en) Measurement method and apparatus for humidity in discharged flue gas
CN2914071Y (en) Continuous fume emission monitoring system
CN102095699A (en) Multicomponent gas analyzer and gas analysis detection system
CN102252991A (en) Ultraviolet differential flue gas concentration monitoring system through heat and moisture extraction process
CN2914094Y (en) Continuous fume emission monitoring system
CN102288574A (en) Device and method for quantitatively analyzing concentration of multi-component oil fume
CN104898719A (en) Pollution VOC concentration and total discharge amount real-time monitoring system
CN103852438A (en) Online solid waste incineration treatment analysis system
CN104297020A (en) Flue gas pollution collection device and method
CN202614743U (en) Solid waste smoke on-line monitoring and analyzing device
CN108801718A (en) A kind of tail gas on-line monitoring system peculiar to vessel
CN201016927Y (en) Quantum laser flue gas continuous analysis sensor
CN201561932U (en) Flue gas detecting system based on ultraviolet band light analysis
CN204679877U (en) Pollution source VOC concentration and total emission volumn real-time monitoring system
CN201043975Y (en) Continuous monitoring system for fume emission
CN202149879U (en) Multicomponent oil-smoke concentration quantitative analyzer
CN201269860Y (en) Humidity measurement device in emitted flue gas
CN202057591U (en) Fluid optical analysis equipment
CN201965091U (en) Multi-component gas analyzer and gas analysis and detection system
CN202794032U (en) Standard state dry basis intelligent analyzer

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
ASS Succession or assignment of patent right

Owner name: JUGUANG TECHNOLOGY (HANGZHOU) LIMIT CO., LTD.

Free format text: FORMER OWNER: WANG JIAN

Effective date: 20090605

TR01 Transfer of patent right

Effective date of registration: 20090605

Address after: Hangzhou City, Zhejiang Province, Binjiang District Lake Road 760, zip code: 310052

Patentee after: Spotlight Technology (Hangzhou) Co., Ltd.

Address before: Hangzhou City, Zhejiang Province, Binjiang District Lake Road 1180 No. 3 Building 2 floor, zip code: 310052

Patentee before: Wang Jian

C56 Change in the name or address of the patentee

Owner name: FOCUSED PHOTONICS (HANGZHOU), LTD.

Free format text: FORMER NAME: JUGUANG SCIENCE AND TECHNOLOGY (HANGZHOU) CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760

Patentee after: Focused Photonics (Hangzhou) Inc.

Address before: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760

Patentee before: Juguang Sci. & Tech. (Hangzhou) Co., Ltd.

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070620

Termination date: 20130704