CN204831858U - Flue gas monitoring system's sampling probe device - Google Patents
Flue gas monitoring system's sampling probe device Download PDFInfo
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- CN204831858U CN204831858U CN201520545841.0U CN201520545841U CN204831858U CN 204831858 U CN204831858 U CN 204831858U CN 201520545841 U CN201520545841 U CN 201520545841U CN 204831858 U CN204831858 U CN 204831858U
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- sampling probe
- sampling
- flue gas
- monitoring system
- gas monitoring
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Abstract
The utility model discloses a flue gas monitoring system's sampling probe device, wherein, this flue gas monitoring system's sampling probe device includes two at least sampling probe, sampling probe is equipped with sampling probe rod, filter, heater and block terminal, the one end of sampling probe rod is fixed in via the flange sleeve sampling probe's casing, and with in the casing the filter intercommunication, the filter is equipped with sample adaptation mouth, sampling probe rod and filter peripheral hardware having heaters, the block terminal with the heater electricity is connected, this flue gas monitoring system's sampling probe device is at least including two kinds of length the sampling probe of sampling probe rod. Through setting up a plurality of sampling probe that have different sampling probe rod length, improved flue gas parameter monitoring accuracy and validity in the flue, guaranteed that the flue gas is handled and discharge system's normal operating.
Description
Technical field
The utility model relates to a kind of probe apparatus, especially relates to a kind of sampling probe device of the flue gas monitoring system for the out of stock system fume emission of Fire Monitoring power plant.
Background technology
Coal steam-electric plant smoke enters smoke stack emission from denitrating system again through desulphurization system, in theory, in denitrating system flue gas, NOx concentration should be a bit larger tham desulphurization system exit NOx concentration or be similar to consistent, but, in real process, because denitrating system reactor flue cross section is larger, exiting flue gas mixing is uneven, easily cause CEMS sampling measuring point under-represented, and then make data measured deviation to some extent, usually will show as desulphurization system outlet NOx higher than denitrating system exit NOx concentration, namely occur NOx concentration inversion phenomenon, do not meet normal logic.Thermal power plant's denitrating system CEMS sampling probe is primarily of filter core, and temperature controller, well heater, the part such as blow device, solenoid valve, panel box and sampling feeler lever forms.
In the monitoring operational process of reality, because flue is wider, it is even not that flue gas mixes after Benitration reactor, so just makes the NOx concentration skewness in whole flue cross section.Feeler lever length in vertical insertion flue determines the NOx concentration value of different depth in sampling flue, and the position of sampling probe determines NOx concentration value different in horizontal cross in sampling flue.What existing CEMS sampling probe was taked is single-point sampling, and the flue gas of sampling can not reflect the NOx concentration value in whole flue cross section, and then causes measuring error, and sample gas is not representative, NOx is measured inaccurate, easily causes environmental protection event.At present, the above-mentioned phenomenon of most domestic thermal power plant similar unit ubiquity, so how effectively to solve the sample devices reason due to monitoring system, the situation that the monitoring parameter in the flue gas monitoring process caused and actual numerical value there are differences is a problem demanding prompt solution.
Utility model content
The technical matters that the utility model solves is to provide a kind of sampling probe device of flue gas monitoring system, and it is more accurately reasonable to the monitoring of Gas Parameters to make in flue gas sampling process.
Technical solution of the present utility model is:
The sampling probe device of a kind of flue gas monitoring system of the present utility model, wherein, the sampling probe device of this flue gas monitoring system comprises at least two sampling probes, described sampling probe is provided with sampling feeler lever, filtrator, well heater and block terminal, the casing of described sampling probe is fixed in one end of described sampling feeler lever via flange sleeve, and be communicated with the described filtrator in described casing, described filtrator is provided with the adaptive mouth of sampling; Described sampling feeler lever and filtrator peripheral hardware having heaters; Described block terminal is electrically connected with described well heater; The sampling probe device of this flue gas monitoring system at least includes the sampling probe of the described sampling feeler lever of two kinds of length.
The sampling probe device of flue gas monitoring system as above, wherein, it includes three described sampling probes, three described sampling probe lateral separation arrangements, and its orientation is vertical with the flow direction of flue gas in flue; And the length of the sampling feeler lever of three described sampling probes is each unequal.
The sampling probe device of flue gas monitoring system as above, wherein, three described sampling feeler lever length are respectively 2500mm, 1500mm and 1000mm.
The sampling probe device of flue gas monitoring system as above, wherein, three described sampling probes are arranged in order according to length is descending.
By learning above, the utility model compared with prior art, can reach following effect really:
The sampling probe device of flue gas monitoring system of the present utility model, is provided with multiple sampling probe, and the distribution making the length of the sampling feeler lever of each sampling probe carry out otherness according to the generalized case that flue gas flows is arranged; Whereby, by the sampling probe device with the flue gas monitoring system of multiple probe of the present utility model, the multiple different Gas Parameters state on flue xsect can be accurately monitored, have expressed the work condition state of flue gas more accurately; Simultaneously, effectively solve denitrating system outlet and desulphurization system exit NOx concentration inversion phenomenon in thermal power plant, that is: make NOx concentration in denitrating system flue gas should be a bit larger tham desulphurization system exit NOx concentration or be similar to consistent, meeting flue gas flow direction concentration logical relation.Effectively ensure that the normal operation of coal steam-electric plant smoke treatment and discharge system and effective enforcement of environmental protective measure.
Accompanying drawing explanation
Fig. 1 is the structural representation of sampling probe of the present utility model;
Fig. 2 is the scheme of installation of sampling probe device one preferred embodiment of flue gas monitoring system of the present utility model.
Main element label declaration:
The utility model:
1: sampling feeler lever 2,4: well heater 3: flange sleeve
5: filtrator 6: adaptive mouth 7 of sampling: casing
8: block terminal T, T1, T2, T3: sampling probe
A: flue
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model is described.
As shown in Figure 1, for the preferred embodiment of the sampling probe device of flue gas monitoring system of the present utility model, wherein, the sampling probe device of this flue gas monitoring system comprises at least two sampling probe T, described sampling probe T is provided with sampling feeler lever 1, filtrator, well heater 2,4 and block terminal 8, the casing 7 of described sampling probe T is fixed in one end of described sampling feeler lever 1 via flange sleeve 3, and is communicated with the described filtrator in described casing 7, and described filtrator is provided with the adaptive mouth 6 of sampling; Described sampling feeler lever 1 and filtrator peripheral hardware having heaters 2,4; Described block terminal 8 is electrically connected with described well heater 2,4; The sampling probe device of this flue gas monitoring system at least includes the sampling probe T of the described sampling feeler lever 1 of two kinds of length.Under the effect of sampling pump, flue gas enters in sampling probe T by inserting sampling feeler lever 1 in flue, is filtered the adaptive mouth 6 of the sampling flowing to sampling probe and enters analysis meter.Further under the effect of temperature controller and heating arrangement, in sampling process, the temperature of flue gas is in higher state all the time, makes the unlikely generation condensation of the steam in flue gas.
The utility model achieves the multiple spot monitoring sampling to flue by the sampling probe T being provided with at least two, makes on the horizontal Gas Parameters monitoring analysis of sampling operation on the cross section of groups of samples more accurately with true; Meanwhile, different sampled points is provided with to the sampling feeler lever 1 of different built-in length, to realize the collection of the genesis analysis style gas on the cross section of groups of samples, makes sampled point equally also reach more accurate and real monitoring effect in the direction in which.
The sampling probe device of flue gas monitoring system of the present utility model as above, in its preferred embodiment, the sampling probe device of this flue gas monitoring system includes three described sampling probe T1, T2, T3, three described sampling probe T1, T2, T3 lateral separation arrangements, its orientation is vertical with the flow direction of flue gas in flue; And the length of the sampling feeler lever 1 of three described sampling probe T1, T2, T3 is each unequal.Refer to shown in Fig. 2, be assemblied on flue to be monitored by the sampling probe device of flue gas monitoring system of the present utility model, the distance arrangement that three sampling probe T1, T2, T3 lateral separations one are suitable, sampling probe stretches into flue inside and samples.Because the length of the sampling feeler lever 1 of three sampling probes T1, T2, T3 is different, therefore the flue gas sample gas that described three sampling probes T1, T2, T3 can collect flue different depth carries out Parameter analysis, avoid different depth concentration different and reduce the accuracy of Monitoring Data.
Shown in Fig. 2, the sampling probe device of flue gas monitoring system described in the utility model, in its preferred embodiment, three described sampling feeler lever 1 length are respectively 2500mm, 1500mm and 1000mm.The setting of the length of three sampling feeler levers 1 adopted in this embodiment, be directed to the scale of existing general coal steam-electric plant smoke process discharge flue, substantially can realize the comprehensive monitoring of flue internal sample feeler lever 1 depth direction, greatly improve the accuracy of Monitoring Data.
Further, the sampling probe device of flue gas monitoring system of the present utility model described above, preferably, three described sampling probe T1, T2, T3 are arranged in order according to length is descending.
The sampling probe device of flue gas monitoring system of the present utility model, by arranging the distributed setting of multiple sampling probe, and the sampled point that the sampling feeler lever difference of carrying out in same pipeline devising different length indulges lateral depth carries out the collection of sample gas, substantially increase the accuracy of flue gas sampling monitoring.Meanwhile, the utility model also can determine the quantity of sampling probe and the length of sampling feeler lever according to the situation such as concrete size, vibrational power flow of flue, is realized the object of the improvement monitoring result accuracy of suiting measures to local conditions by different combinations.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (4)
1. the sampling probe device of a flue gas monitoring system, it is characterized in that, it comprises at least two sampling probes, described sampling probe is provided with sampling feeler lever, filtrator, well heater and block terminal, the casing of described sampling probe is fixed in one end of described sampling feeler lever via flange sleeve, and be communicated with the described filtrator in described casing, described filtrator is provided with the adaptive mouth of sampling; Described sampling feeler lever and filtrator peripheral hardware having heaters; Described block terminal is electrically connected with described well heater; The sampling probe device of this flue gas monitoring system at least includes the sampling probe of the described sampling feeler lever of two kinds of length.
2. the sampling probe device of flue gas monitoring system as claimed in claim 1, it is characterized in that, it includes three described sampling probes, three described sampling probe lateral separation arrangements, and its orientation is vertical with the flow direction of flue gas in flue; And the length of the sampling feeler lever of three described sampling probes is each unequal.
3. the sampling probe device of flue gas monitoring system as claimed in claim 2, it is characterized in that, three described sampling feeler lever length are respectively 2500mm, 1500mm and 1000mm.
4. the sampling probe device of flue gas monitoring system as claimed in claim 3, it is characterized in that, three described sampling probes are arranged in order according to length is descending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520545841.0U CN204831858U (en) | 2015-07-24 | 2015-07-24 | Flue gas monitoring system's sampling probe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520545841.0U CN204831858U (en) | 2015-07-24 | 2015-07-24 | Flue gas monitoring system's sampling probe device |
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| Publication Number | Publication Date |
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| CN204831858U true CN204831858U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520545841.0U Expired - Fee Related CN204831858U (en) | 2015-07-24 | 2015-07-24 | Flue gas monitoring system's sampling probe device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459531A (en) * | 2018-11-12 | 2019-03-12 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Residual oxygen analysis system |
| CN110988271A (en) * | 2019-12-27 | 2020-04-10 | 厦门通创检测技术有限公司 | Vehicle-mounted emission detection device |
| CN114740154A (en) * | 2022-03-24 | 2022-07-12 | 内蒙古京能盛乐热电有限公司 | Coal mill export CO on-line monitoring early warning system |
-
2015
- 2015-07-24 CN CN201520545841.0U patent/CN204831858U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459531A (en) * | 2018-11-12 | 2019-03-12 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Residual oxygen analysis system |
| CN110988271A (en) * | 2019-12-27 | 2020-04-10 | 厦门通创检测技术有限公司 | Vehicle-mounted emission detection device |
| CN114740154A (en) * | 2022-03-24 | 2022-07-12 | 内蒙古京能盛乐热电有限公司 | Coal mill export CO on-line monitoring early warning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160724 |