CN102175818A - Normal temperature gas analysis system of cement - Google Patents
Normal temperature gas analysis system of cement Download PDFInfo
- Publication number
- CN102175818A CN102175818A CN2011100201346A CN201110020134A CN102175818A CN 102175818 A CN102175818 A CN 102175818A CN 2011100201346 A CN2011100201346 A CN 2011100201346A CN 201110020134 A CN201110020134 A CN 201110020134A CN 102175818 A CN102175818 A CN 102175818A
- Authority
- CN
- China
- Prior art keywords
- gas
- cement
- normal temperature
- refrigerator
- sampling
- 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.)
- Pending
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a normal temperature gas analysis system of cement, which is used for analyzing normal temperature gases in preheaters, coal mills or pulverized coal bunkers of cement plants, wherein the system comprises a sampling probe, an electric heating sampling pipeline, a gas sample pre-processing system, a gas analyzer and a data processing system, which are connected in turn; the system further comprises a two-position one-way electromagnetic valve which is provided with a pipe line connected between the electric heating sampling pipeline and the gas sample pre-processing system; and the two-position one-way electromagnetic valve is connected to a compressed air source. In the invention, the two-position one-way electromagnetic valve is connected between the electric heating sampling pipeline and the gas sample pre-processing system; and the two-position one-way electromagnetic valve is connected to the compressed air source. According to the difference of the specifically selected two-position one-way electromagnetic valve, the compressed air in the air source is blown to the electric heating sampling pipeline via the pipe line when the electromagnetic valve is electrified or non-electrified, so that the particulate matters in the electric heating sampling pipeline are blown into a flue. Simultaneously, a primary blowing function and the protection for the gas analyzers are added; the faults of the gas analyzer and the maintaining costs are reduced.
Description
Technical field
The present invention relates to the gas analysis technology field, more particularly, relate to a kind of cement gas at normal temperature analytic system that is used for gas at normal temperature monitoring in cement mill primary heater, coal mill or the Pulverized Coal Bin.
Background technology
The cement mill mainly is to detect CO, NO, SO in the gas at normal temperature of positions such as cement mill primary heater, coal mill, Pulverized Coal Bin with the gas at normal temperature analytic system
2And O
2Content, and carry out the optimization of various data according to analysis result, with reach stabilised quality, stablize high yield, the purpose of fuel saving.
The domestic direct extraction method of the very most of employing of cement gas at normal temperature analytic system carries out the extraction of sample gas at present, directly extraction system is to adopt special-purpose heating sampling probe that flue gas is extracted from flue, and through companion's heat transfer, make flue gas that condensation not take place in transmission, flue gas is transferred to and carries out entering analyser after the processing such as dedusting, dehumidifying behind the flue gas analysis cabinet and carry out analyzing and testing.Flue gas discharge continuous monitoring system generally comprises sampling probe, electrical heating sampling pipeline, sample gas pretreating system, gas analyzer and the data handling system that connects successively.Wherein, the sample gas pretreating system generally comprises dehumidification system and sampling pump, is provided with filtrator in the sampling probe.
In the process that extracts, the primary heater in the cement mill, coal mill and Pulverized Coal Bin etc. all are the very high positions of dust content, use in the working environment of high dust, and be very big to the test of the gas analyzer in the cement gas at normal temperature analytic system.Because gas analyzer is had relatively high expectations to the clean level of sample gas, so gas analyzer has accounted for very important role in the processing of sample gas.Gas analyzer is the most crucial parts of total system, and its maintenance times has directly determined the height of maintenance cost.
At present, cement gas at normal temperature analytic system purges function general only the adding in sampling probe, thereby can blow and get back in the flue being blocked in particle on the sampling probe middle filtrator.Electrical heating sampling pipe bundle of lines enters the sample pneumatic transmission of sampling probe to the sample gas pretreating system, and the omnidistance heating of electrical heating sampling pipeline prevents that sample air cooling with fixed attention.If there is sediment to be blocked in the electrical heating sampling pipeline, it is very difficult removing, existing cement gas at normal temperature analytic system not have to be provided with the device of removing plugging particle thing in the pipeline, the time generation of electrical heating sampling pipeline phenomenon of blocking is arranged, cause detecting fume emission in real time.
Summary of the invention
In view of this, the invention provides a kind of cement gas at normal temperature analytic system,, reduce its fault, reduce the purpose of maintenance cost to realize increasing protection to gas analyzer.
For achieving the above object, the invention provides following technical scheme:
A kind of cement gas at normal temperature analytic system, be used for the analysis of gas at normal temperature in cement mill primary heater, coal mill or the Pulverized Coal Bin, comprise the sampling probe, electrical heating sampling pipeline, sample gas pretreating system, gas analyzer and the data handling system that connect successively, also comprise by pipeline being connected two one three-way electromagnetic valves between described electrical heating sampling pipeline and the described sample gas pretreating system, these two three-way electromagnetic valves link to each other with compressed gas source.
Preferably, in the above-mentioned cement gas at normal temperature analytic system, described sampling probe specifically comprises:
The sampling probe case;
Be arranged on the described sampling probe case, and the joint flange that links to each other with flange on the flue, this joint flange links to each other with the gas production passage of this sampling probe;
Be arranged on the inside of described sampling probe case, and an end stretches into feeler lever in the described flue by joint flange, the setting that is inclined upwardly of this feeler lever, and become 5～10 ° of angles with the xsect of described flue;
Be arranged on well heater and filtrator on the described gas production passage;
The blow device that links to each other with described gas production passage.
Preferably, in the above-mentioned cement gas at normal temperature analytic system, described blow device specifically comprises: gas-holder and solenoid valve, and described gas-holder links to each other with described filtrator by pipeline, and described solenoid valve is arranged between described gas-holder and the described filtrator.
Preferably, in the above-mentioned cement gas at normal temperature analytic system, the condensed in two stages system that distributes before and after described sample gas pretreating system comprises, first order condenser system comprises first refrigerator that is connected between described two one three-way electromagnetic valves and the described gas analyzer, and is connected the peristaltic pump on the condensation-water drain of described first refrigerator;
Second level condenser system comprises second refrigerator that is connected between described first refrigerator and the described gas analyzer, and is connected the steam trap on the condensation-water drain of described second refrigerator.
Preferably, in the above-mentioned cement gas at normal temperature analytic system, described sample gas pretreating system also comprises the hydrophobic filter that is connected between described second refrigerator and the described gas analyzer.
Preferably, in the above-mentioned cement gas at normal temperature analytic system, described sample gas pretreating system also comprises the protection filtrator that is connected between described second refrigerator and described first refrigerator.
Preferably, in the above-mentioned cement gas at normal temperature analytic system, described sampling probe also comprises respectively first temperature controller that links to each other with described data handling system with described well heater, when the temperature in described gas production passage does not reach design temperature, described first temperature controller sends alerting signal, after described data handling system was accepted described alerting signal, the sampling pump of controlling described sample gas pretreating system stopped.
Preferably, in the above-mentioned cement gas at normal temperature analytic system, also comprise respectively second temperature controller that links to each other with described data handling system with described electrical heating sampling pipeline, when the temperature in described electrical heating sampling pipeline does not reach design temperature, described second temperature controller sends alerting signal, after described data handling system was accepted described alerting signal, the sampling pump of controlling described sample gas pretreating system stopped.
From technique scheme as can be seen, the present invention connects two three-way electromagnetic valves by sampling in electrical heating between pipeline and the sample gas pretreating system, and makes these two three-way electromagnetic valves link to each other with compressed gas source.Can be according to two one three-way electromagnetic valve differences of concrete selection, make to get electric or during dead electricity, the pressurized air in the source of the gas can be purged to electrical heating sampling pipeline by pipeline at this solenoid valve, the electrical heating pipeline particle of sampling is blown and gets back in the flue.The present invention has increased one-level and has purged function, has increased the protection to gas analyzer, has reduced the failure rate of gas analyzer, has reduced maintenance cost.
Description of drawings
The cement gas at normal temperature analytic system block diagram that Fig. 1 provides for the embodiment of the invention;
The side view of the sampling probe that Fig. 2 provides for the embodiment of the invention;
The flue flange positional structure synoptic diagram that Fig. 3 provides for the embodiment of the invention;
The inner structure synoptic diagram of the sampling probe that Fig. 4 provides for the embodiment of the invention;
The air-channel system process flow diagram of the cement gas at normal temperature analytic system that Fig. 5 provides for the embodiment of the invention.
Embodiment
The invention discloses a kind of cement gas at normal temperature analytic system,, reduce its fault, reduce the purpose of maintenance cost to realize increasing protection to gas analyzer.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
See also Fig. 1 and Fig. 5, the air-channel system process flow diagram of the cement gas at normal temperature analytic system that the cement gas at normal temperature analytic system block diagram that Fig. 1 embodiment of the invention provides, Fig. 5 provide for the embodiment of the invention.
Cement gas at normal temperature analytic system provided by the invention, comprise the sampling probe 21, electrical heating sampling pipeline 22, sample gas pretreating system 23, gas analyzer 24 and the data handling system 25 that connect successively, wherein, sampling probe 21 links to each other with flue 26, is used to gather the flue gas in the flue 26.Of the present invention focus on also comprising by pipeline be connected two one three-way electromagnetic valves 231 between described electrical heating sampling pipeline 22 and the described sample gas pretreating system 23, these two three-way electromagnetic valves 231 link to each other with compressed gas source.These two three-way electromagnetic valves 231 have three pipe interfaces, and wherein two link to each other with sample gas pretreating system 23 with electrical heating sampling pipeline 22 respectively, and the 3rd pipe interface links to each other with compressed gas source, and this compressed gas source can be gas-holder.During normal condition, two one three-way electromagnetic valves 231 are in connected state with two interfaces that electrical heating sampling pipeline 22 links to each other with sample gas pretreating system 23 respectively, when needs purged electrical heating sampling pipeline 22, two one three-way electromagnetic valves 231 were in connected state with two interfaces that electrical heating sampling pipeline 22 links to each other with compressed gas source respectively.The conducting of concrete two positions with by by two one three-way electromagnetic valves 231 electric and dead electricity being controlled, it gets electric and dead electricity can be subjected to data handling system 25 controls, get the cycle electric and dead electricity by two one three-way electromagnetic valves of data handling system 25 may command 231, thus the purge cycles of control electrical heating sampling pipeline 22.
The present invention connects one two one three-way electromagnetic valves 231 by sampling in electrical heating between pipeline 22 and the sample gas pretreating system 23, and makes these two three-way electromagnetic valves 231 link to each other with compressed gas source.Can be according to two one three-way electromagnetic valve 231 differences of concrete selection, make to get electric or during dead electricity, the pressurized air in the source of the gas can be purged to electrical heating sampling pipeline 22 by pipeline at this solenoid valve, electrical heating pipeline 22 particles of sampling are blown and get back in the flue 26.The present invention has increased one-level and has purged function, has increased the protection to gas analyzer, has reduced the fault of gas analyzer, has reduced maintenance cost.
See also Fig. 2-Fig. 4, the side view of the sampling probe that Fig. 2 provides for the embodiment of the invention, the inner structure synoptic diagram of the sampling probe that the flue flange positional structure synoptic diagram that Fig. 3 provides for the embodiment of the invention, Fig. 4 provide for the embodiment of the invention.
Further in order to optimize technique scheme, the present invention also can comprise respectively the second temperature controller (not shown) that links to each other with data handling system 25 with electrical heating sampling pipeline 22.The temperature control setting of electrical heating sampling pipeline 22 is controlled by second temperature controller, and when the temperature in described electrical heating sampling pipeline (22) did not reach design temperature, second temperature controller sent alerting signal to data handling system 25.
As shown in Figure 5,, can stop sampling, enter gas analyzer 24, realize protection gas analyzer 24 to prevent unprocessed qualified sample gas by data handling system 25 control sampling pumps 237 when alerting signal passes in the data handling system 25.
As shown in Figure 4, blow device specifically comprises: gas-holder 215 and solenoid valve 216, and gas-holder 215 links to each other with described filtrator 218 by pipeline, and solenoid valve 216 is connected between gas-holder 215 and the filtrator 218.Purge attached to the particle on the filtrator stopping up to reach by the pressurized air of gas-holder 215 its internal reservoir.Purge cycles is controlled in action by data handling system 25 control electromagnetic valve 216.
Gas-holder 215 can be sent the pressurized air of 0.4～0.8MPa into gas-holder 215 by the scene and carry out stored on-site, specifically an air strainer can be set in the place ahead of gas-holder 215, on-the-spot pressurized air with 0.4～0.8MPa is introduced air strainer, behind fine filtering once more, be stored in the gas-holder 215.Effectively utilize on-the-spot resource pressurized air, improved system performance, reduced maintenance cost.
See also Fig. 5, the air-channel system process flow diagram of the cement gas at normal temperature analytic system that Fig. 5 provides for the embodiment of the invention.
The condensed in two stages system that distributes before and after sample gas pretreating system 23 comprises, first order condenser system comprises first refrigerator 232 that is connected between two one three-way electromagnetic valves 231 and the gas analyzer 24, and is connected the peristaltic pump 236 on the condensation-water drain of first refrigerator 232.
Second level condenser system comprises second refrigerator 234 that is connected between first refrigerator 232 and the gas analyzer 24, and is connected the steam trap 235 on the condensation-water drain of second refrigerator 234.
The sampling power of sample gas is finished by sampling pump 237, after sample gas enters sample gas pretreating system 23, freeze by the dual unit cooler, promptly carry out rapid condensation by first refrigerator 232 and 234 pairs of sample gas of second refrigerator respectively, and condensate water is discharged through peristaltic pump 236 and steam trap 235 respectively.When dual unit cooler (232,234) temperature is not in setting range, refrigerator will send alerting signal to data handling system 25.When alerting signal passes in the data handling system 25, can stop sampling by data handling system 25 control sampling pumps 237, enter gas analyzer 24, blanket gas analyser 24 to prevent unprocessed qualified sample gas.
Further in order to optimize technique scheme, the sample gas pretreating system 23 that provides in the invention process also comprises the hydrophobic filter 238 that is connected between second refrigerator 234 and the gas analyzer 24.238 pairs of gas analyzers 24 of hydrophobic filter are done further protection before the air inlet body analyser 24, can prevent effectively that sealing enters gas analyzer 24.
Further in order to optimize technique scheme, sample gas pretreating system 23 of the present invention also comprises the protection filtrator 233 that is connected between described second refrigerator 234 and described first refrigerator 232.The protection filtrator 233 of sample gas pretreating system 23 can filter the particle of particle diameter 2 μ m, further sample gas is filtered.Simultaneously,, can be used as warning device and use,, can be used as the basis for estimation of the system failure when its filter core variable color or when particle is arranged if this protection filtrator is contained in the analysis meter system.Also be provided with tensimeter 239 on the pipeline between above-mentioned first refrigerator and second refrigerator, so that monitor ducted sample atmospheric pressure in real time.
The calibration system of sample gas pretreating system 23 comprises zero point correction and range calibration two parts, regularly analyser is calibrated, and makes measurement data true and reliable.
Cement gas at normal temperature analytic system provided by the invention is done individual with analytic system of the prior art and is compared, increase cascade filtration and purged function, increased protection, reduced the failure rate of gas analyzer when this system works in primary heater, coal mill or the contour dust atmosphere of Pulverized Coal Bin in the cement mill gas analyzer; Simultaneously, effectively utilize on-the-spot resource pressurized air, improved system performance, reduced client's maintenance cost.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. cement gas at normal temperature analytic system, be used for the analysis of gas at normal temperature in cement mill primary heater, coal mill or the Pulverized Coal Bin, comprise the sampling probe (21), electrical heating sampling pipeline (22), sample gas pretreating system (23), gas analyzer (24) and the data handling system (25) that connect successively, it is characterized in that, also comprise by pipeline being connected two one three-way electromagnetic valves (231) between described electrical heating sampling pipeline (22) and the described sample gas pretreating system (23), these two one three-way electromagnetic valves (231) link to each other with compressed gas source.
2. cement gas at normal temperature analytic system as claimed in claim 1 is characterized in that, described sampling probe (21) specifically comprises:
The sampling probe case;
Be arranged on the described sampling probe case, and the joint flange (211) that links to each other with flange on the flue (26), this joint flange (211) links to each other with the gas production passage of this sampling probe;
Be arranged on the inside of described sampling probe case, and an end stretches into feeler lever (212) in the described flue by joint flange (211), this feeler lever (212) setting that is inclined upwardly, and become 5～10 ° of angles with the xsect of described flue (26);
Be arranged on well heater and filtrator (218) on the described gas production passage;
The blow device that links to each other with described gas production passage.
3. cement gas at normal temperature analytic system as claimed in claim 2, it is characterized in that, described blow device specifically comprises: gas-holder (215) and solenoid valve (216), described gas-holder (215) links to each other with described filtrator (218) by pipeline, and described solenoid valve (216) is arranged between described gas-holder (215) and the described filtrator (218).
4. cement gas at normal temperature analytic system as claimed in claim 1, it is characterized in that, the condensed in two stages system that distributes before and after described sample gas pretreating system (23) comprises, first order condenser system comprises first refrigerator (232) that is connected between described two one three-way electromagnetic valves (231) and the described gas analyzer (24), and is connected the peristaltic pump (236) on the condensation-water drain of described first refrigerator (232);
Second level condenser system comprises second refrigerator (234) that is connected between described first refrigerator (232) and the described gas analyzer (24), and is connected the steam trap (235) on the condensation-water drain of described second refrigerator (234).
5. cement gas at normal temperature analytic system as claimed in claim 4 is characterized in that, described sample gas pretreating system (23) also comprises the hydrophobic filter (238) that is connected between described second refrigerator (234) and the described gas analyzer (24).
6. cement gas at normal temperature analytic system as claimed in claim 4 is characterized in that, described sample gas pretreating system (23) also comprises the protection filtrator (233) that is connected between described second refrigerator (234) and described first refrigerator (232).
7. cement gas at normal temperature analytic system as claimed in claim 2, it is characterized in that, described sampling probe (21) also comprises respectively first temperature controller (217) that links to each other with described data handling system (25) with described well heater, when the temperature in described gas production passage does not reach design temperature, described first temperature controller sends alerting signal, after described data handling system (25) was accepted described alerting signal, the sampling pump (237) of controlling described sample gas pretreating system (23) stopped.
8. cement gas at normal temperature analytic system as claimed in claim 1, it is characterized in that, also comprise respectively second temperature controller that links to each other with described data handling system (25) with described electrical heating sampling pipeline (22), when the temperature in described electrical heating sampling pipeline (22) does not reach design temperature, described second temperature controller sends alerting signal, after described data handling system was accepted described alerting signal, the sampling pump (237) of controlling described sample gas pretreating system (23) stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100201346A CN102175818A (en) | 2011-01-18 | 2011-01-18 | Normal temperature gas analysis system of cement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100201346A CN102175818A (en) | 2011-01-18 | 2011-01-18 | Normal temperature gas analysis system of cement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102175818A true CN102175818A (en) | 2011-09-07 |
Family
ID=44519023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100201346A Pending CN102175818A (en) | 2011-01-18 | 2011-01-18 | Normal temperature gas analysis system of cement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102175818A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329085A (en) * | 2014-10-28 | 2015-02-04 | 成都创源油气技术开发有限公司 | Component monitoring system in shale gas exploitation process |
| CN104483063A (en) * | 2014-12-04 | 2015-04-01 | 上海卫星装备研究所 | Gas monitoring and controlling device |
| CN105865853A (en) * | 2016-05-16 | 2016-08-17 | 威海捷诺曼自动化科技有限公司 | Online analysis system of ship exhaust emission |
| CN105891186A (en) * | 2016-05-12 | 2016-08-24 | 中山大学 | Polymer phase boundary width statistical method |
| CN106124443A (en) * | 2016-06-14 | 2016-11-16 | 威海捷诺曼自动化科技有限公司 | A kind of marine exhaust emission analysis pretreatment system |
| CN107202719A (en) * | 2017-04-28 | 2017-09-26 | 国网天津市电力公司 | SO 2 from fume concentration determination sampling system under a kind of cold environment |
| CN109656222A (en) * | 2019-01-24 | 2019-04-19 | 天华化工机械及自动化研究设计院有限公司苏州研究所 | Intelligent online analyzes pretreatment system |
| CN114544274A (en) * | 2022-02-25 | 2022-05-27 | 北京建筑材料科学研究总院有限公司 | Nitrogen oxide collecting device for cement production |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205177A (en) * | 1991-01-23 | 1993-04-27 | Research-Cottrell, Inc. | Method and apparatus for gas monitoring |
| CN2896283Y (en) * | 2006-05-18 | 2007-05-02 | 南京卓成自动化设备有限公司 | Integrated gas on-line detector |
| CN2911674Y (en) * | 2006-03-24 | 2007-06-13 | 温平 | Gas analyzer with radio communication function |
| CN200979173Y (en) * | 2006-10-10 | 2007-11-21 | 江南大学 | Flue gas pretreatment apparatus |
| CN101498629A (en) * | 2008-02-01 | 2009-08-05 | 宇星科技发展(深圳)有限公司 | Smoke sampling probe |
| CN201344552Y (en) * | 2009-01-05 | 2009-11-11 | 宇星科技发展(深圳)有限公司 | Fume pretreatment device |
| CN101799377A (en) * | 2009-02-06 | 2010-08-11 | 上海宝钢设备检修有限公司 | Sampling test point scavenging pipeline for on-site gas analyzer |
-
2011
- 2011-01-18 CN CN2011100201346A patent/CN102175818A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205177A (en) * | 1991-01-23 | 1993-04-27 | Research-Cottrell, Inc. | Method and apparatus for gas monitoring |
| CN2911674Y (en) * | 2006-03-24 | 2007-06-13 | 温平 | Gas analyzer with radio communication function |
| CN2896283Y (en) * | 2006-05-18 | 2007-05-02 | 南京卓成自动化设备有限公司 | Integrated gas on-line detector |
| CN200979173Y (en) * | 2006-10-10 | 2007-11-21 | 江南大学 | Flue gas pretreatment apparatus |
| CN101498629A (en) * | 2008-02-01 | 2009-08-05 | 宇星科技发展(深圳)有限公司 | Smoke sampling probe |
| CN201344552Y (en) * | 2009-01-05 | 2009-11-11 | 宇星科技发展(深圳)有限公司 | Fume pretreatment device |
| CN101799377A (en) * | 2009-02-06 | 2010-08-11 | 上海宝钢设备检修有限公司 | Sampling test point scavenging pipeline for on-site gas analyzer |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329085A (en) * | 2014-10-28 | 2015-02-04 | 成都创源油气技术开发有限公司 | Component monitoring system in shale gas exploitation process |
| CN104483063A (en) * | 2014-12-04 | 2015-04-01 | 上海卫星装备研究所 | Gas monitoring and controlling device |
| CN104483063B (en) * | 2014-12-04 | 2017-05-03 | 上海卫星装备研究所 | Gas monitoring and controlling device |
| CN105891186A (en) * | 2016-05-12 | 2016-08-24 | 中山大学 | Polymer phase boundary width statistical method |
| CN105865853A (en) * | 2016-05-16 | 2016-08-17 | 威海捷诺曼自动化科技有限公司 | Online analysis system of ship exhaust emission |
| CN106124443A (en) * | 2016-06-14 | 2016-11-16 | 威海捷诺曼自动化科技有限公司 | A kind of marine exhaust emission analysis pretreatment system |
| CN107202719A (en) * | 2017-04-28 | 2017-09-26 | 国网天津市电力公司 | SO 2 from fume concentration determination sampling system under a kind of cold environment |
| CN109656222A (en) * | 2019-01-24 | 2019-04-19 | 天华化工机械及自动化研究设计院有限公司苏州研究所 | Intelligent online analyzes pretreatment system |
| CN114544274A (en) * | 2022-02-25 | 2022-05-27 | 北京建筑材料科学研究总院有限公司 | Nitrogen oxide collecting device for cement production |
| CN114544274B (en) * | 2022-02-25 | 2023-10-31 | 北京建筑材料科学研究总院有限公司 | Nitrogen oxide collecting device for cement production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102081017B (en) | On-line monitoring system for gas | |
| CN102175818A (en) | Normal temperature gas analysis system of cement | |
| CN105865853B (en) | Ship exhaust emission online analysis system and analysis method using same | |
| CN102156065A (en) | Gas analytical system | |
| CN102252991A (en) | Ultraviolet differential flue gas concentration monitoring system through heat and moisture extraction process | |
| CN102288459A (en) | On-line analytical system for garbage incineration flue gas | |
| CN206020262U (en) | A kind of continuous on-line monitoring system of CEMS flue gases | |
| CN208588715U (en) | A kind of flue gas inspection device for ship tail gas desulfurizer | |
| CN207570855U (en) | CEMS flue gas sampling probes | |
| CN203385599U (en) | Gas analysis system for high-dust and high-water-content sample gas environment | |
| CN101975683A (en) | Back blowing warming device in high-temperature smoke sampling system | |
| CN206038527U (en) | Coal fired power plant smoke pollutants minimum discharge on -line monitoring system | |
| CN104390836A (en) | Copper smelting smoke analysis and sample injection processing system and method | |
| MXPA06011665A (en) | Probe and system for extracting gases from a process environment. | |
| CN207366277U (en) | A kind of flue gas discharge continuous monitoring system | |
| CN204882538U (en) | Detection apparatus for combustible gas concentration | |
| CN203507670U (en) | Real-time online multistage refined filtration system for heat conducting oil | |
| CN201344552Y (en) | Fume pretreatment device | |
| CN205826371U (en) | Coke-stove gas sampling line heating device for machine oxygen analyzer | |
| CN107893789A (en) | A kind of solenoid valve box | |
| CN106153851A (en) | A kind of detection device of imflammable gas concentration | |
| CN201845003U (en) | Self-correcting online analytical instrument for oxygen concentration of flue gas | |
| CN106872219A (en) | Flue gas sampling it is online can in-situ regeneration gas-drying apparatus and application method | |
| CN203469677U (en) | Ceramic filter ball type flue gas dust removal optimization device | |
| CN201740676U (en) | On-line pneumatic pick monitoring, back sweeping and sampling system for industrial flue gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110907 |