CN209028045U - The test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis - Google Patents
The test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis Download PDFInfo
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- CN209028045U CN209028045U CN201821862873.3U CN201821862873U CN209028045U CN 209028045 U CN209028045 U CN 209028045U CN 201821862873 U CN201821862873 U CN 201821862873U CN 209028045 U CN209028045 U CN 209028045U
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- flue gas
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Abstract
The utility model discloses the test macros of radioactivity debirs pyrolytic process intermediate stage gas analysis, including flue gas analyzer, vacuum pump, gas collector, sampling pipe, the sampling shunt valve for being used to be connected with exhaust gases passes, one end of sampling pipe is connected with sampling shunt valve, the other end of sampling pipe is connected with flue gas analyzer, flue gas analyzer is connected with vacuum pump, vacuum pump is connected with gas collector, and gas collector is connected with gas chromatograph.The present apparatus is at low cost, reliable performance, easy to maintain, and promotional value is larger.
Description
Technical field
The utility model relates to gas test fields, and in particular to a kind of radioactivity debirs pyrolytic process intermediate stage
The test macro of gas analysis.
Background technique
Carrying out pyrolysis processing to radioactivity debirs is a kind of to give up with significant application value and broad based growth prospect
Object processing technique.During the technical matters route is researched and developed with implementing, the different gas of complicated component can be generated in each stage
Body.Currently, due to directly related with discharge, people are important to notice that whole system finally produces in research with application process
The monitoring of raw tail gas.In general, the ingredient of the final tail gas of the process is relatively simple, predominantly the carbon dioxide of room temperature, nitrogen
With a small amount of sulfur dioxide etc..And its testing goal is that the test of component need to be monitored to emphasis in tail gas, passes through separate unit analytical equipment
(such as gas chromatograph) is relatively easy to realize.But with the urgent need advanced optimized to the technology, to each in pyrolytic process
The more accurate quantitative analysis of the gas composition and content in intermediate stage becomes particularly significant.Show each intermediate stage through investigation
Tail gas in mainly contain the different Benzene and Homologues of ingredient, oxysulfide, nitrogen oxides, oxygen, nitrogen, hydrogen, an oxygen
Change carbon, carbon dioxide, vapor etc..And such gas temperature (being greater than 300 degrees Celsius) usually with higher.This high temperature
And the mixed tail gas of complicated components brings bigger difficulty to test job.The tail gas can be completed currently without single instrument to take
Sample, analysis work.Therefore, develop a set of technical feasibility, it is safe and reliable, simple and practical, economical rationality for radioactivity it is organic
The test macro of phase gas analysis has important value among waste pyrolysis process.It is other at home at present through investigating
Radioactivity debirs pyrolysis processing facility is without complete set of products application example.
Utility model content
The utility model is to provide a kind of test of radioactivity debirs pyrolytic process intermediate stage gas analysis
System solves the problems, such as that the prior art can not be to radioactivity debirs pyrolytic process intermediate stage gas analysis.
The utility model is achieved through the following technical solutions:
The test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis, including flue gas analyzer, vacuum
Pump, gas collector, sampling pipe, the sampling shunt valve for being used to be connected with exhaust gases passes, one end of sampling pipe and sampling shunt valve
It is connected, the other end of sampling pipe is connected with flue gas analyzer, and flue gas analyzer is connected with vacuum pump, vacuum pump and gas collector
It is connected, gas collector is connected with gas chromatograph, and when work, sampling pipe is protruded into sampling shunt valve, unlatching flue gas analyzer
Pretreatment system, cooled down to radioactivity organic exhaust gas and remove the pretreatment of vapor, be then turned on flue gas analyzer
TCH test channel tests the sulfur and nitrogen oxides in radioactivity organic exhaust gas, after test, closes flue gas point
The TCH test channel of analyzer, pretreated radioactivity organic exhaust gas is collected by vacuum pump, and is transferred to by gas collector
Gas chromatograph is finally analyzed.
Sample bore >=40mm of shunt valve and sampling pipe connecting interface.The interface gap of sampling pipe and sampling shunt valve
Fine and close filling is carried out using temperature-resistant material.
For prevent gas from road in flue gas analyzer into sampling pipe in, be additionally provided between flue gas analyzer and sampling pipe
Suck-back device.
It is connected between flue gas analyzer and vacuum pump using tapered pipeline, the caliber of the tapered pipeline is according to air flow direction
It is gradually increased.The throughput range for controlling vacuum pump is 0.01-5.0L/min.On the one hand it can increase throughput, on the other hand
Gas can adequately be analyzed in favor of flue gas analyzer by limiting throughput.
It is connected between vacuum pump and gas collector using tapered pipeline, the caliber of the tapered pipeline is according to airflow direction
It is gradually increased.
Gas collector is gas collection bag or airbag sampler, i.e. gas collector is received using the gas of the prior art
Acquisition means.
Common test mode be using gas chromatograph to radioactivity debirs pyrolytic process generate gas componant and
Content is analyzed.And it is asked in the test of the gas generated to the radioactivity debirs pyrolytic process intermediate stage there are following
Topic.Firstly, each intermediate stage gas often temperature with higher, has exceeded the tolerance range of gas-chromatography instrument.Meanwhile
In constituent part, as vapor, oxysulfide, nitrogen oxides can not be tested by gas-chromatography, and vapor is easy
Gas-chromatography instrument is damaged.Therefore how mixed gas effectively to be pre-processed, realization is to gas cooling and wherein
The removal of vapor, and carrying out accurate test to the associated gas that gas-chromatography is unable to test is the key that solve existing issue.
While it is noted that new foreign gas cannot be introduced in the whole process, in order to avoid test result is impacted.
The utility model dexterously reequips existing commercial flue gas analyzer, connects micro vacuum in device rear end
Pump and gas collector.In system operation, vapor, sulphur in mixed gas are aoxidized first with flue gas analyzer
Object, amount of nitrogen oxides are tested, and after completing test, close flue gas analyzer TCH test channel.It is configured by flue gas analyzer
Gas preprocessor cooling and the removal of vapor have been carried out to mixed gas, then will using vacuum pump and gas collector
It is collected by pretreated mixed gas.Gas will be collected again to shift by gas collector, sample introduction utilizes gas-chromatography
Complete analysis.By the test macro, can realize simple and effectively to radioactivity debirs pyrolytic process intermediate stage gas
Analysis work.
Flue gas analyzer can be many auspicious ZR-3260 analyzers in Qingdao.
The suck-back device of the utility model is the included structure of flue gas analyzer, is also the prior art.
The utility model compared with prior art, has the following advantages and benefits:
The utility model can have radioactivity before entering gas chromatograph by the ingenious improvement to apparatus system
Machine exhaust gas is cooled down and is removed the pretreatment of vapor, and realizes the analysis detection to oxysulfide, nitrogen oxides, Neng Gouyong
In the gas analysis to the radioactivity debirs pyrolytic process intermediate stage, and by being sent to gas chromatograph to mixed gas
The final quantitative analysis realized to entire radioactivity organic exhaust gas detects, and efficiently ensure that radioactivity debirs pyrolytic process
Generate the smooth development of gas componant and content analysis work.Meanwhile the present apparatus is at low cost, reliable performance, and it is easy to maintain, it promotes
It is worth larger.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
FIG. 1 is a schematic structural view of the utility model.
Label and corresponding parts title in attached drawing:
1- samples shunt valve, 2- sampling pipe, 3- flue gas analyzer, 4- vacuum pump, 5- gas collector, 6- gas-chromatography
Instrument.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, the test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis, including flue gas point
Analyzer 3, vacuum pump 4, gas collector 5, sampling pipe 2, the sampling shunt valve 1 for being used to be connected with exhaust gases passes, the one of sampling pipe 2
End is connected with sampling shunt valve 1, and the other end of sampling pipe 2 is connected with flue gas analyzer 3,4 phase of flue gas analyzer 3 and vacuum pump
Even, vacuum pump 4 is connected with gas collector 5, and gas collector 5 is connected with gas chromatograph 6, and when work, sampling pipe 2 is protruded into
Shunt valve 1 is sampled, the pretreatment system of flue gas analyzer 3 is opened, is cooled down to radioactivity organic exhaust gas and removes vapor
Pretreatment, be then turned on the TCH test channel of flue gas analyzer 3, to the sulfur and nitrogen oxides in radioactivity organic exhaust gas into
Row test after test, closes the TCH test channel of flue gas analyzer 3, and pretreated radioactivity organic exhaust gas passes through vacuum
Pump 4 is collected, and is transferred to gas chromatograph 6 by gas collector 5 and is finally analyzed.
Specific implementation process is: specific use process is as follows:
1. sampling pipe 2 is protruded into sampling shunt valve 1,3 preprocessing function of flue gas analyzer is opened, gas is located in advance
Reason；
2. opening 3 oxysulfide of flue gas analyzer, amount of nitrogen oxides test function, corresponding gas component is surveyed
Examination；
3. closing 3 gas componant test function of flue gas analyzer, vacuum pump 4 is opened, it will be into excessively pretreated gas pumping
To gas collector 5；
4. the gas for being stored in gas collector 5 transfer is input to gas chromatograph 6 by gas collection bag；
5. opening gas chromatograph 6, respective components in gas are tested.
Sample bore >=40mm of shunt valve 1 and 2 connecting interface of sampling pipe.The interface of sampling pipe 2 and sampling shunt valve 1
Gap carries out fine and close filling using temperature-resistant material.
For prevent gas from road in flue gas analyzer 3 into sampling pipe 2 in, also set between flue gas analyzer 3 and sampling pipe 2
It is equipped with suck-back device.
It is connected between flue gas analyzer 3 and vacuum pump 4 using tapered pipeline, the caliber of the tapered pipeline is according to air-flow stream
To being gradually increased.The throughput range for controlling vacuum pump 4 is 0.01-5.0L/min.
It is connected between vacuum pump 4 and gas collector 5 using tapered pipeline, the caliber of the tapered pipeline is according to air-flow side
To being gradually increased.
Gas collector 5 is gas collection bag or airbag sampler.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (6)
1. the test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis, which is characterized in that including flue gas point
Analyzer (3), vacuum pump (4), gas collector (5), sampling pipe (2), the sampling shunt valve (1) for being used to be connected with exhaust gases passes,
One end of sampling pipe (2) is connected with sampling shunt valve (1), and the other end of sampling pipe (2) is connected with flue gas analyzer (3), flue gas
Analyzer (3) is connected with vacuum pump (4), and vacuum pump (4) is connected with gas collector (5), gas collector (5) and gas-chromatography
Instrument (6) is connected, and when work, sampling pipe (2) is protruded into sampling shunt valve (1), opens the pretreatment system of flue gas analyzer (3),
Cooled down to radioactivity organic exhaust gas and remove the pretreatment of vapor, is then turned on the TCH test channel of flue gas analyzer (3), it is right
Sulfur and nitrogen oxides in radioactivity organic exhaust gas are tested, and after test, close the survey of flue gas analyzer (3)
It pings, pretreated radioactivity organic exhaust gas is collected by vacuum pump (4), and is transferred to gas by gas collector (5)
Chromatography (6) is finally analyzed.
2. the test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis according to claim 1,
It is characterized in that, samples the bore >=40mm of shunt valve (1) and sampling pipe (2) connecting interface.
3. the test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis according to claim 1,
It is characterized in that, is additionally provided with suck-back device between flue gas analyzer (3) and sampling pipe (2).
4. the test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis according to claim 1,
Be characterized in that, be connected between flue gas analyzer (3) and vacuum pump (4) using tapered pipeline, the caliber of the tapered pipeline according to
Air flow direction is gradually increased.
5. the test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis according to claim 1,
Be characterized in that, connected between vacuum pump (4) and gas collector (5) using tapered pipeline, the caliber of the tapered pipeline according to
Airflow direction is gradually increased.
6. the test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis according to claim 1,
It is characterized in that, gas collector (5) is gas collection bag or airbag sampler.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821862873.3U CN209028045U (en) | 2018-11-13 | 2018-11-13 | The test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis |
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| CN201821862873.3U CN209028045U (en) | 2018-11-13 | 2018-11-13 | The test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115326971A (en) * | 2022-08-18 | 2022-11-11 | 中国核动力研究设计院 | Radioactive organic waste steam reforming tail gas analysis system |
-
2018
- 2018-11-13 CN CN201821862873.3U patent/CN209028045U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115326971A (en) * | 2022-08-18 | 2022-11-11 | 中国核动力研究设计院 | Radioactive organic waste steam reforming tail gas analysis system |
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