CN106018622A - Testing device and method for analyzing performance of organic gas treating system - Google Patents
Testing device and method for analyzing performance of organic gas treating system Download PDFInfo
- Publication number
- CN106018622A CN106018622A CN201610547251.0A CN201610547251A CN106018622A CN 106018622 A CN106018622 A CN 106018622A CN 201610547251 A CN201610547251 A CN 201610547251A CN 106018622 A CN106018622 A CN 106018622A
- Authority
- CN
- China
- Prior art keywords
- organic gas
- outlet
- pipeline
- organic
- governing system
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N2030/022—Column chromatography characterised by the kind of separation mechanism
- G01N2030/025—Gas chromatography
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a testing device and method for analyzing performance of an organic gas treating system. The testing device comprises an inlet pipeline connected with the inlet of the organic gas treating system, and an outlet pipeline connected with the outlet of the organic gas treating system. An evaporating tank, a draught fan, a flame arrester and an electric heater are sequentially connected to the inlet pipeline from the side, close to the organic gas treating system, of the inlet pipeline. An atomizer is arranged on the top of the evaporating tank and connected with a collection main pipeline used for providing organic liquid for the evaporating tank. A first outlet is arranged on the part, between the evaporating tank and the inlet of the organic gas treating system, of the inlet pipeline. A second outlet is arranged on the outlet pipeline. A testing pipeline is connected between the first outlet and the second outlet and connected with a chromatography concentration analysis meter. By means of the testing device and method, one or several kinds of mixed organic gases can be precisely configured to serve as inlet gases of the organic gas treating system, the discharging concentration of the organic gas treating system is monitored in real time on line, and the removing efficiency of the testing organic gas is calculated.
Description
Technical field
The present invention relates to the technical field of measurement and test of organic gas governing system performance, be specifically related to one and control for analyzing organic gas
The test device and method of reason systematic function.
Background technology
The most both at home and abroad VOC is reclaimed and the main active carbon adsorption of technology of improvement, absorption process, condensation
Method, membrane separation process, combustion method, photocatalytic method, radiation degradation and bioanalysis, wherein, active carbon adsorption, solvent absorption
Method, condensation method and membrane separation process have been supplied in the most industrial case row, but after this several method generally exists recycling and administration
Organic gas discharge still can not reach national up-to-date discharge standard, or the problem such as the most up to standard.
On May 7th, 2015, national environmental protection portion issuing and implementation " petroleum refining industry pollutant emission standard " (GB31570-2015)
And " petro chemical industry pollutant emission standard " (GB31571-2015), this standard-required organic gas governing system discharge benzene
Concentration≤4mg/m3, toluene concentration≤15mg/m3, xylene concentration≤20mg/m3, non-methane hydrocarbon emission concentration≤120mg/m3、
NMHC removal efficiency >=97%.Up-to-date emission of industrial pollutants standard-required is tighter, it is therefore desirable to having used at present and
The most up to standard being analyzed of the exhaust emissions of the organic gas governing system come into operation future is evaluated.At present in the industry for organic gas
The measure of merit of body governing system mainly gathers outlet and the inlet exhaust gases of organic gas governing system with airbag or carbon pipe, and band is extremely
Test in laboratory concentration value, calculates the clearance of organic gas governing system and differentiates that exhaust emissions is the most up to standard.The method is simple
Practicality, but can not the concentration of emission of continuous detecting organic gas governing system, going of the organic gas governing system therefore obtained
Except rate fails truly to reflect the regulation effect of organic gas governing system.
Summary of the invention
In order to solve technical problem present in above-mentioned prior art, the present invention proposes and a kind of administers system for analyzing organic gas
The test device of system performance and method of testing, come organic gas governing system concentration of emission by designing a whole set of process route
Carry out detection to analyze, it is achieved that the qualified discharge of organic gas.
One of task of the present invention is to provide a kind of test device for analyzing organic gas governing system performance.
A kind of test device for analyzing organic gas governing system performance, including with described organic gas governing system import,
Export inlet pipeline, the outlet conduit connected respectively, from the inlet pipeline started near organic gas governing system side successively
Connect and have evaporator, blower fan, spark arrester and electric heater, between described electric heater and spark arrester, between spark arrester and blower fan
All by stainless steel tubing and Flange joint, the top of described evaporator is provided with nebulizer, described nebulizer with for evaporation
The main pipeline that collects providing organic liquid in tank connects；Inlet tube between described evaporator and organic gas governing system import
Being provided with outlet one on road, be provided with outlet two on described outlet conduit, connecting between described outlet one and outlet two has test
Pipeline, described test pipeline connects and has chromatograph concentration analyzer, for entering the gas of organic gas governing system and going out
Gas detects.
As a preferred version of the present invention, the above-mentioned main pipeline that collects is connected with organic liquid organization of supply, above-mentioned organic liquid
Organization of supply includes several liquid tank connected side by side, and the bottom of each liquid tank is provided with liquid outlet, with above-mentioned liquid outlet
It is provided with valve on the pipeline connected, the pipeline below valve is provided with peristaltic pump, is all connected with by the pipeline after peristaltic pump
Collect on main pipeline to above-mentioned.
Another task of the present invention is to provide the method for testing of above-mentioned test device, comprises the following steps:
A opening electric heater, blower fan, control the rotating speed of blower fan so that it is intake is maintained at 1～400m3/h；
The liquid outlet of the one or more liquid tank in organic liquid organization of supply is connected the valve opening on pipeline by b, and opens
Peristaltic pump, peristaltic pump is arranged to continuously run, and controls to be delivered to the liquid in one or more liquid tank by described peristaltic pump
Collecting supervisor's diatom mixing, obtain mixed liquor, described mixed liquor is converted into drop through described nebulizer, now, is provided by blower fan
Contacting to the hot blast of evaporator, droplet evaporation becomes mixed gas；
C major part mixed gas by inlet pipeline enter organic gas governing system, through organic gas governing system process after from
Outlet conduit is discharged, and wherein, small part mixed gas and the partial gas discharged from outlet conduit flow into test pipeline, by color
Spectrum concentration analyzer detects, and binding isotherm calculating judges whether up to standard.
Preferably, the pump speed of above-mentioned peristaltic pump is 0.001～100mL/min.
Compared with prior art, the present invention by evaporator, organic liquid organization of supply, blower fan, spark arrester, electric heater with
Organic gas governing system matches, and opens blower fan, electric heater and is blown into hot blast in evaporator, and organic liquid organization of supply carries
The mixed liquor of confession enters in the nebulizer of evaporator, after nebulizer is atomized, is converted into drop, under hot wind action, enters
One step is converted into mixed gas, connecting test pipeline between outlet one and outlet two, can be realized by outlet one having pre-entrance
Mixed gas in machine master gas system detects, and can be realized after organic gas processing system processes by outlet two
Gas detect.
One aspect of the present invention can accurately configure a certain or multiple mixing organic gas entrance as organic gas governing system
Gas, on the other hand can the concentration of emission of on-line real time monitoring organic gas governing system, calculate the removal of test organic gas
Efficiency, whether the discharge of this organic gas governing system gas of assay reaches up-to-date atmosphere pollutants emission standards.
Accompanying drawing explanation
The present invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation that the present invention tests device；
In figure, 1, electric heater, 2, stainless steel tubing, 3, spark arrester, 4, blower fan, 5, evaporator, 6, liquid tank, 7,
Valve, 8, rubber hose, 9, peristaltic pump, 10, collect main pipeline, 11, nebulizer, 12, organic gas governing system,
13, test line, 14, chromatographic concentrations analyser.
Detailed description of the invention
The invention discloses a kind of test device and method for analyzing organic gas governing system performance, in order to make the present invention's
Advantage, technical scheme are clearer, clear and definite, elaborate the present invention below in conjunction with specific embodiment.
The present invention, for analyzing the test device of organic gas governing system performance, as it is shown in figure 1, include evaporator 5, have
Machine liquid organization of supply, electric heater 1, spark arrester 3, blower fan 4 and chromatographic concentrations analyser 14, wherein organic liquid supply
Mechanism includes several liquid tank 6 connected side by side, and the bottom of each liquid tank 6 is provided with liquid outlet, with upper liquid outlet even
It is provided with valve 7 on the pipeline connect, the pipeline (such as rubber hose 8) below valve 7 is provided with peristaltic pump 9, by wriggling
Pipeline after pump 9 is connected to collect on main pipeline 10, stores various organic liquids, such as in each liquid tank 6: benzene,
Toluene, dimethylbenzene and gasoline etc., control various organic liquid by peristaltic pump 9 and enter the flow of evaporator 5, and configuration produces not
Organic gas with concentration.
Valve 7 is connected by thread seal with rubber hose 8 one end, by organic liquor in the folding control liquid tank 6 of valve 7
Whether body enters in evaporator 5, and valve 7 other end is connected by extruding Butt sealing with flexible pipe rubber hose 8, equally, compacted
Dynamic pump 9 upper end extrudes Butt sealing with rubber hose 8 and is connected, and peristaltic pump 9 lower end is connected with collecting pipeline 10 thread seal, converges
Manifold line 10 is responsible for collecting different organic liquid and the mixing liquid that is mixed to get is sent in evaporator 5, collects pipeline 10 lower end
Threadeding with nebulizer 11, nebulizer 11 will collect organic liquid in pipeline 10 and be atomized into fine droplet, fine droplet with enter
The hot blast entering evaporator 5 is fully contacted, and organic liquid is transformed into gaseous state from liquid, and blower fan 10 can pass through VFC intake
And wind speed.
Organic gas governing system 12 has a gas feed and a gas outlet, is connected respectively with gas feed and gas outlet
Inlet pipeline and outlet conduit, be sequentially connected with from the inlet pipeline started near organic gas governing system 12 side evaporator 5,
Blower fan 4, spark arrester 3 and electric heater 1, electric heater 1 side is air intake, and opposite side is with stainless steel tubing 2 screw thread even
Connect, stainless steel tubing 2 and spark arrester 3 Flange joint, spark arrester 3 opposite side stainless steel tubing 2 and blower fan 4 Flange joint,
Opposite side stainless steel tubing 2 and evaporation tube 5 Flange joint of blower fan 4.
Nebulizer 11, nebulizer 11 and collecting for offer organic liquid in evaporator it is provided with at the top of evaporator 5
Main pipeline 10 connects；It is provided with outlet one on inlet pipeline between evaporator 5 and organic gas governing system import, is going out
Being provided with outlet two on mouth pipeline, connecting between outlet one and outlet two has test pipeline, and on test pipeline, connection has chromatograph dense
Degree analyser, for detecting the gas and exit gas that enter organic gas governing system, is analyzed by chromatographic concentrations
Instrument 14 detects in real time and enters the gas concentration of organic gas governing system 12 and dense from organic gas governing system 12 expellant gas
Degree, whether the gas discharge testing this organic gas governing system 12 reaches up-to-date atmosphere pollutants emission standards and this organic gas
The oil gas clearance of body governing system 12.
Evaporator 5 outlet is connected with stainless steel tubing 2 flange seal, organic gas governing system 12 and stainless steel tubing 2 flange
It is tightly connected.The organic gas of evaporator 5 enters organic gas governing system 12 from stainless steel tubing 2, controls through organic gas
After the process of reason system 12, remaining at least partially through outlet discharge.The entry position STH of organic gas governing system 12,
Test line 13 carries out welded seal in inserting hole；The exit position STH of organic gas governing system 12, another root is tested
Pipeline 13 carries out welded seal in inserting hole.Two test line 13 are connected with chromatographic concentrations analyser 14 thread seal.
Chromatographic concentrations analyser 14 is by the internal sampler sampling pipeline 13 to the entrance and exit of organic gas governing system 12
Carrying out gas sampling, the inside gas chromatography detector of chromatographic concentrations analyser 14 carries out detection point to entrance and exit gaseous sample
Analysis, obtains the composition information in gaseous sample and concentration value, then through being calculated every kind of organic gas removal efficiency, total carbon hydrocarbon
Removal efficiency and differentiate the discharge of every kind of organic gas composition.
Below in conjunction with specific embodiment, concrete method of testing is elaborated.
Embodiment 1:
As a example by dimethylbenzene, opening electric heater 1, open blower fan 4, by blower fan 4 Frequency Converter Control blower fan 4 rotating speed, control
Intake is 1～400m3/ h, opens the valve 7 of dimethylbenzene liquid tank 6；Open peristaltic pump 9, be arranged to turn clockwise, mould
Formula is for continuously running, and peristaltic pump 9 pump speed is 0.001～100ml/min, controls to configure the dimethylbenzene of variable concentrations by pump speed
Gas, dimethylbenzene liquid enters nebulizer by collecting main pipeline, and liquid paraxylene is atomized into dimethylbenzene drop by nebulizer, and two
Toluene drop and the hot blast entering evaporator 5 are fully contacted, and flash to dimethylbenzene gas；
Dimethylbenzene gas enters organic gas governing system 12 by stainless steel tubing 2, after treatment, remaining at least partially through
Outlet is discharged, and chromatographic concentrations analyser 14 carries out gas sampling to the entrance and exit of organic gas governing system 12, entered
Mouth and the dimethylbenzene gas concentration value of outlet, then by being calculated dimethylbenzene gas removal efficiency and differentiating the discharge of dimethylbenzene gas
Concentration is the most up to standard.
Equally for other single organic gas, the treatment effect of organic gas governing system is tested such as embodiment 1 technique.
Embodiment 2:
As a example by dimethylbenzene and gasoline mixture, opening electric heater 1, open blower fan 4, by blower fan 4 Frequency Converter Control blower fan
4 rotating speeds, controlling intake is 1～400m3/ h, opens dimethylbenzene and the valve 7 of gasoline liquid tank 6, opens peristaltic pump 9, if
Being set to turn clockwise, pattern is for continuously running, and peristaltic pump 9 pump speed is 0.001～100ml/min, controls configuration by pump speed
Go out the dimethylbenzene of variable concentrations and the mixing liquid of gasoline, dimethylbenzene and gasoline liquid and enter nebulizer, mist by collecting main pipeline
Change device liquid paraxylene becomes with gasoline atomizing dimethylbenzene and gasoline drop, dimethylbenzene and gasoline drop and enters the heat of evaporator 5
Wind is fully contacted, and flashes to dimethylbenzene and gasoline mixture body；
Dimethylbenzene and gasoline gas enter organic gas governing system 12, after treatment, remaining few portion by stainless steel tubing 2
Dividing and discharged by outlet, chromatographic concentrations analyser 14 carries out gas sampling to the entrance and exit of organic gas governing system 12,
Obtain the dimethylbenzene gas concentration value of entrance and exit, then by being calculated dimethylbenzene and gasoline gas removal efficiency and differentiating two
Toluene gas concentration of emission and NMHC concentration are the most up to standard.
Equally for multiple mixing organic gas, the treatment effect of organic gas governing system is tested such as embodiment 2 process.
Equally, the processing mode of the mixing organic gas such as three kinds or four kinds can be obviously real under the guide of above-described embodiment
Existing.
It should be noted that any equivalent way that those skilled in the art are made under the teaching of this specification, or substantially become
Type mode all should be within the scope of the present invention.
Claims (4)
1. for analyzing the test device of organic gas governing system performance, including with described organic gas governing system import, go out
Mouth connect respectively inlet pipeline, outlet conduit, it is characterised in that:
It is connected with evaporator, blower fan, spark arrester and electricity in turn from the inlet pipeline started near organic gas governing system side
Heater, all by stainless steel tubing and Flange joint, institute between described electric heater and spark arrester, between spark arrester and blower fan
The top stating evaporator is provided with nebulizer, and described nebulizer connects with the main pipeline that collects for offer organic liquid in evaporator
Connect；It is provided with outlet one, at described outlet on inlet pipeline between described evaporator and organic gas governing system import
Being provided with outlet two on road, connecting between described outlet one and outlet two has test pipeline, and described test pipeline connects chromatograph
Concentration analyzer, for detecting the gas and exit gas that enter organic gas governing system.
Test device for analyzing organic gas governing system performance the most according to claim 1, it is characterised in that: described remittance
Collection main pipeline is connected with organic liquid organization of supply, and described organic liquid organization of supply includes several liquid tank connected side by side,
The bottom of each liquid tank is provided with liquid outlet, the pipeline being connected with described liquid outlet is provided with valve, the pipe below valve
Be provided with peristaltic pump on road, by the pipeline after peristaltic pump be connected to described in collect on main pipeline.
The method of testing of the test device for analyzing organic gas governing system performance the most according to claim 2, its feature exists
In, comprise the following steps:
A opening electric heater, blower fan, control the rotating speed of blower fan so that it is intake is maintained at 1～400m3/h；
The liquid outlet of the one or more liquid tank in organic liquid organization of supply is connected the valve opening on pipeline by b, and opens
Peristaltic pump, peristaltic pump is arranged to continuously run, and controls to be delivered to the liquid in one or more liquid tank by described peristaltic pump
Collecting supervisor's diatom mixing, obtain mixed liquor, described mixed liquor is converted into drop through described nebulizer, now, is provided by blower fan
Contacting to the hot blast of evaporator, droplet evaporation becomes mixed gas；
C major part mixed gas by inlet pipeline enter organic gas governing system, through organic gas governing system process after from
Outlet conduit is discharged, and wherein, small part mixed gas and the partial gas discharged from outlet conduit flow into test pipeline, by color
Spectrum concentration analyzer detects, and binding isotherm calculating judges whether up to standard.
The method of testing of the test device for analyzing organic gas governing system performance the most according to claim 3, its feature exists
In: the pump speed of described peristaltic pump is 0.001～100mL/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547251.0A CN106018622A (en) | 2016-07-12 | 2016-07-12 | Testing device and method for analyzing performance of organic gas treating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547251.0A CN106018622A (en) | 2016-07-12 | 2016-07-12 | Testing device and method for analyzing performance of organic gas treating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106018622A true CN106018622A (en) | 2016-10-12 |
Family
ID=57108724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610547251.0A Pending CN106018622A (en) | 2016-07-12 | 2016-07-12 | Testing device and method for analyzing performance of organic gas treating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106018622A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883505A (en) * | 1988-07-22 | 1989-11-28 | Iit Research Institute | Methods and apparatus for atmospheric sampling and analysis of trace contaminants |
| CN101069802A (en) * | 2007-03-19 | 2007-11-14 | 中南大学 | Multi-component organic-gas pressure-changing adsorption and realtime detection-control experiment device |
| CN102600741A (en) * | 2012-03-20 | 2012-07-25 | 清华大学 | Low-concentration multi-component standard gas generating device for evaluating performance of air flue purifying component |
| US20140326044A1 (en) * | 2013-05-03 | 2014-11-06 | Weidong Yan | Gas Detection Pre-treatment Device |
| CN204275775U (en) * | 2014-12-04 | 2015-04-22 | 北京建筑大学 | A kind of waste gas absorption and adsorption experimental apparatus |
| CN104587686A (en) * | 2014-12-31 | 2015-05-06 | 青岛路博宏业环保技术开发有限公司 | Concentration gas distributing device and concentration gas distributing method for organic waste gas |
| CN105136922A (en) * | 2015-08-16 | 2015-12-09 | 常州大学 | Adsorbent performance dynamic detection device |
| CN105521692A (en) * | 2016-01-20 | 2016-04-27 | 义乌市中科院兰州化物所功能材料中心 | Industrial emission volatile organic compounds (VOCs) tail gas on-site detecting evaluation device and method |
-
2016
- 2016-07-12 CN CN201610547251.0A patent/CN106018622A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883505A (en) * | 1988-07-22 | 1989-11-28 | Iit Research Institute | Methods and apparatus for atmospheric sampling and analysis of trace contaminants |
| CN101069802A (en) * | 2007-03-19 | 2007-11-14 | 中南大学 | Multi-component organic-gas pressure-changing adsorption and realtime detection-control experiment device |
| CN102600741A (en) * | 2012-03-20 | 2012-07-25 | 清华大学 | Low-concentration multi-component standard gas generating device for evaluating performance of air flue purifying component |
| US20140326044A1 (en) * | 2013-05-03 | 2014-11-06 | Weidong Yan | Gas Detection Pre-treatment Device |
| CN204275775U (en) * | 2014-12-04 | 2015-04-22 | 北京建筑大学 | A kind of waste gas absorption and adsorption experimental apparatus |
| CN104587686A (en) * | 2014-12-31 | 2015-05-06 | 青岛路博宏业环保技术开发有限公司 | Concentration gas distributing device and concentration gas distributing method for organic waste gas |
| CN105136922A (en) * | 2015-08-16 | 2015-12-09 | 常州大学 | Adsorbent performance dynamic detection device |
| CN105521692A (en) * | 2016-01-20 | 2016-04-27 | 义乌市中科院兰州化物所功能材料中心 | Industrial emission volatile organic compounds (VOCs) tail gas on-site detecting evaluation device and method |
Non-Patent Citations (2)
| Title |
|---|
| 傅绍燕: "《涂装工艺及车间设计手册》", 30 September 2012 * |
| 台炳华: "《工业烟气净化》", 31 January 1999 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6796165B2 (en) | Apparatus and method for real-time measurement of mass, size and number of solid particles of particulate matter in engine exhaust | |
| Hildemann et al. | A dilution stack sampler for collection of organic aerosol emissions: design, characterization and field tests | |
| CN104075913B (en) | A kind of fixed-contamination source emission PM2.5 dilution sampling device | |
| US7610793B2 (en) | Residence time chamber and sampling apparatus | |
| US7587950B2 (en) | Source dilution sampling system for emissions analysis | |
| JP4143470B2 (en) | Dilution tunnel | |
| CN103364484B (en) | A kind of cigarette mainstream flue gas on-line analysis device and method | |
| CN106441917B (en) | The combustion system and control method that strategy influences soot emissions are sprayed after can simulating | |
| EP0871855A1 (en) | Method and apparatus for providing diluent gas to exhaust emission analyzer | |
| CN104793002A (en) | Atmospheric automatic monitoring apparatus capable of realizing sampling/calibrating alternative equivalent operation, and method thereof | |
| JP5006181B2 (en) | Dilution device | |
| AU753085B3 (en) | Assembly and method for mixing gases | |
| WO2002071030A1 (en) | Particulate and gaseous emission testing method and apparatus | |
| CN107894491A (en) | Test the device and method of water soluble ion concentration in wet desulphurization neat stress | |
| CN109387606A (en) | A kind of SCR denitration full-scale performance evaluation system | |
| CN106018622A (en) | Testing device and method for analyzing performance of organic gas treating system | |
| CN202330138U (en) | Preposed sample gas processing device of analyzer for pollutants emitted from diesel vehicles | |
| CN204479597U (en) | A kind ofly realize sampling/calibration alternately air automatic monitoring the device that runs of equivalence | |
| US20100037770A1 (en) | Inertial separation device and method and system for its use | |
| CN104729837A (en) | Performance testing method and system for diesel oxidation catalyst (DOC) | |
| JPH11230869A (en) | Exhaust gas analyzing device and modal mass analytical method by gas trace method using the same | |
| CN210154882U (en) | Power station boiler flue gas mixing sampling analysis device | |
| CN209280672U (en) | A kind of SCR denitration full-scale performance evaluation system | |
| CN217655090U (en) | Diesel vehicle exhaust gas detection device | |
| CN204612991U (en) | Boiler smoke mixing, purification sampler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |