CN204758358U - Directly extract flue gas sampling device of formula CEMS system - Google Patents
Directly extract flue gas sampling device of formula CEMS system Download PDFInfo
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- CN204758358U CN204758358U CN201520420289.2U CN201520420289U CN204758358U CN 204758358 U CN204758358 U CN 204758358U CN 201520420289 U CN201520420289 U CN 201520420289U CN 204758358 U CN204758358 U CN 204758358U
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Abstract
The utility model discloses a directly extract flue gas sampling device of formula CEMS system, including sampling probe body and heat tracing pipe, the probe body includes the probe external component and the sampling probe rifle body, is provided with in the place that the probe external component and the rifle body of popping one's head in have a common boundary to be used for installing the mounting flange on the walling of flue with sampling device. The utility model relates to a directly extract flue gas sampling device of formula CEMS system has solved the unsafe problem of sampling device test result of current technique.
Description
Technical field
The utility model belongs to computer-aided equipment technical field, relates to a kind of directly extraction-type CEMS system flue gas sampling device.
Background technology
Fume emission continuous monitoring (CEMS) system is a kind of device gaseous contamination substrate concentration, solid pollutant granule density and gross contamination emission being carried out to automatic monitor for continuously.Whether Monitoring Data and informative: 1, be sent to environmental protection competent authorities, be up to state standards for the density and gross volume of such pollutants to be discharged of monitoring enterprise pollution thing; 2, according to the technological operation of Monitoring Data Instructing manufacture.
The feature of CEMS system continuous sampling method is made up of sampling and analysis meter two parts, tested gas is drawn and is carried out a filtration treatment by sampling probe from flue or pipeline, by trace pipe, (trace pipe is corrosion-resistant, resistant to elevated temperatures polyfluortetraethylene pipe, sampling pipe temperature general control is at about 120 DEG C) collection flue gas continus convergence is entered in the gas compartment of instrument, analytical instrument completes the surveying and calculating of gas concentration by diverse ways.
Mainly there is following problem in existing method and apparatus, in most of wet desulfurization system, in former flue gas, humidity is excessive, stopple coupon exposed between sampling probe casing and walling of flue during installation does not do isothermal holding, although through heating tape, temp. controlling box continuous heating, but when the sample gas that be extracted to be sent in the process of analyser temperature lower than dew point from probe, or humidity is excessive, ponding will be produced at temperature and pressure stream probe and filtrator place, gas (the sulphuric dioxide causing part soluble in water, oxynitrides is soluble in water) diluted in transmitting procedure, thus cause test result inaccurate, the sour gas remained in transmission pipeline easily causes the burn into of system unit to result in blockage, and even makes analyser break down and damages, causing whole system to collapse.
Utility model content
The purpose of this utility model provides a kind of directly extraction-type CEMS system flue gas sampling device, solves the inaccurate problem of sampling apparatus test result of existing technology.
The technical scheme that the utility model adopts is, a kind of directly extraction-type CEMS system flue gas sampling device, comprise sampling probe body and trace pipe, probe body comprises probe external member and sampling probe rifle body, and the place that probe external member and probe rifle body have a common boundary is provided with the mounting flange for being arranged on by sampler on walling of flue.
Feature of the present utility model is also,
Wherein, the inside of probe external member is first flue gas decontamination chamber, and be provided with porcelain filter wherein, porcelain filter is connected with flue gas sampling pipe; Be probe interior heater around flue gas sampling pipe, the part that probe interior heater and flue gas sampling pipe extend probe external member is positioned at sampling probe and robs body inside.
Wherein, one end of probe external member is connected by a t-joint with trace pipe, one end of t-joint connects the flue gas first class purification room of probing shell inside, the other end connects trace pipe, 3rd end is connected with blowback compressed air source, and is provided with sampling probe blowback operation valve in junction.
Wherein, in trace pipe, be provided with trace pipe heating tape, and one end of trace pipe heating tape is provided with trace pipe heating tape terminal resistance.
Wherein, sampling probe rifle body tilts 15 ° downwards.
The beneficial effects of the utility model are, the utility model provides one and adopts direct extraction-type CEMS systematic sampling device for wet desulphurization (humidity crosses overall situation), the sampling heating that this device adopts, filtration, heating tape and heating box high-temperature heating, be incubated transfer designs, the requirement of sample gas to collecting temperature can be met, guarantee that sample gas does not condense in course of conveying, composition does not change.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of direct extraction-type CEMS system flue gas sampling device of the utility model.
In figure, 1. trace pipe heating tape, 2. trace pipe heating tape terminal resistance, 3. trace pipe, 4. sampling probe blowback operation valve, 5. blowback compressed air source, 6. t-joint, 7. flue gas first class purification room, 8. porcelain filter, external member of 9. popping one's head in, 10. mounting flange, 11. probe interior heaters, 12. sampling probe rifle bodies, 13. flue gas sampling pipes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
A kind of directly extraction-type CEMS system flue gas sampling device of the utility model, as shown in Figure 1, comprise sampling probe body and trace pipe 3, probe body comprises probe external member 9 and sampling probe rifle body 12, the inside of probe external member 9 is first flue gas decontamination chamber 7, be provided with porcelain filter 8 wherein, porcelain filter 8 is connected with flue gas sampling pipe 13; It is probe interior heater 11 around flue gas sampling pipe 13, the part that probe interior heater 11 and flue gas sampling pipe 13 extend probe external member 9 is positioned at sampling probe, and to rob body 12 inner, the place had a common boundary at probe external member 9 and probe rifle body 12 is provided with mounting flange 10, for sampler is arranged on walling of flue.
Angle 15 ° is there is between sampling probe rifle body 12 and surface level, when humidity is excessive, the well heater heating of popping one's head in integrated, residue water droplet can flow out automatically, reduce the absorption to (sulphuric dioxide, oxynitrides) soluble in water in former flue gas composition, guarantee the accuracy of data.Sampling probe rifle body 12, for the protection of the protection overcoat of sampling pipe 13 and well heater 11, adopts anti-corrosive alloy material.Flue gas is entered by flue gas sampling pipe 13 end, transfers to porcelain filter 8, tentatively filters and enters first flue gas decontamination chamber, then enter trace pipe transfer tube by T-valve through porcelain filter 8.
One end of probe external member 9 is connected by a t-joint 6 with trace pipe 3, one end of t-joint 6 connects the flue gas first class purification room 7 of probing shell 9 inside, the other end connects trace pipe, 3rd end is connected with blowback compressed air source 5, and is provided with sampling probe blowback operation valve 4 in junction; During normal detection, sampling probe blowback operation valve 4 is in closed condition; During maintenance, sampling probe blowback operation valve 4 opens the impurity for purging in sampling pipe and filtrator, is provided with trace pipe heating tape 1 in trace pipe 3, and one end of trace pipe heating tape 1 is provided with trace pipe heating tape terminal resistance 2;
Sampling probe install time downward-sloping about 15 °.
The course of work of the present utility model is, when sampling, flue gas is entered by sampling pipe 13, the inner integrated well heater of sampling probe just starts to heat flue gas, treatment temperature is 120 ° ~ 150 °, then sends in porcelain filter 8 by the flue gas after heating, flows out to single filter room 7 through filtering flue gas, flue gas enters trace pipe delivery pipe by three-way connection, transfers to gas compartment and carries out analysis sample Gas content.Whole process is all in heated condition, and can not produce knot mist phenomenon, if smoke moisture is excessive, remaining ponding flows out sampling pipe 13 automatically by self gravitation.And 9 is probe external members, and play seal protection and fixing moulding effect, sampling probe rifle body 12 is for the protection of sampling pipe 13, and the protection overcoat of well heater 11, adopts anti-corrosive alloy material.
The utility model sampling probe blowback operation valve 4 when normal detection is in closed condition; When keeping in repair, sampling probe blowback operation valve 4 opens the impurity for purging in sampling pipe and filtrator; Whole smoke path produces certain draft by CEMS instrumental analysis system, is formed by trace pipe flue gas transfer tube, so flue gas can be entered by sampling pipe 13 automatically.
Claims (5)
1. a direct extraction-type CEMS system flue gas sampling device, it is characterized in that, comprise sampling probe body and trace pipe (3), described probe body comprises probe external member (9) and sampling probe rifle body (12), and the place that probe external member (9) and probe rifle body (12) have a common boundary is provided with the mounting flange (10) for being arranged on by sampler on walling of flue.
2. one according to claim 1 direct extraction-type CEMS system flue gas sampling device, it is characterized in that, the inside of described probe external member (9) is first flue gas decontamination chamber (7), be provided with porcelain filter (8) wherein, described porcelain filter (8) is connected with flue gas sampling pipe (13); Around described flue gas sampling pipe (13) for probe interior heater (11), described probe interior heater (11) and flue gas sampling pipe (13) extend probe external member (9) part be positioned at sampling probe rob body (12) inside.
3. one according to claim 1 direct extraction-type CEMS system flue gas sampling device, it is characterized in that, one end of described probe external member (9) is connected by a t-joint (6) with trace pipe (3), one end of described t-joint (6) connects the inner flue gas first class purification room (7) of probing shell (9), the other end connects trace pipe, 3rd end is connected with blowback compressed air source (5), and is provided with sampling probe blowback operation valve (4) in junction.
4. one according to claim 1 direct extraction-type CEMS system flue gas sampling device, it is characterized in that, be provided with trace pipe heating tape (1) in described trace pipe (3), and the one end of trace pipe heating tape (1) is provided with trace pipe heating tape terminal resistance (2).
5. one according to claim 1 direct extraction-type CEMS system flue gas sampling device, is characterized in that, described sampling probe rifle body (12) tilts 15 ° downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520420289.2U CN204758358U (en) | 2015-06-17 | 2015-06-17 | Directly extract flue gas sampling device of formula CEMS system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520420289.2U CN204758358U (en) | 2015-06-17 | 2015-06-17 | Directly extract flue gas sampling device of formula CEMS system |
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| CN204758358U true CN204758358U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520420289.2U Expired - Fee Related CN204758358U (en) | 2015-06-17 | 2015-06-17 | Directly extract flue gas sampling device of formula CEMS system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860763A (en) * | 2017-10-31 | 2018-03-30 | 华中科技大学 | Alkali metal and the on-line monitoring method and device of trace element concentration in a kind of gas |
| CN109444232A (en) * | 2018-12-26 | 2019-03-08 | 苏州同阳科技发展有限公司 | A kind of multichannel intelligent polluted gas monitoring device and diffusion source tracing method |
| CN110082168A (en) * | 2019-06-04 | 2019-08-02 | 佛山华谱测智能科技有限公司 | A kind of multi-channel gas sampling probe and the sampler including the probe |
| CN110220754A (en) * | 2019-07-05 | 2019-09-10 | 上海华川环保科技有限公司 | A kind of high-temperature flue gas heating sampling probe |
| CN110274797A (en) * | 2019-06-28 | 2019-09-24 | 南京康测自动化设备有限公司 | One kind removing liquid water sampling apparatus |
| CN112629950A (en) * | 2020-11-24 | 2021-04-09 | 呼和浩特科林热电有限责任公司 | Flue gas sampling device, SCR reactor's flue gas monitoring system |
-
2015
- 2015-06-17 CN CN201520420289.2U patent/CN204758358U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860763A (en) * | 2017-10-31 | 2018-03-30 | 华中科技大学 | Alkali metal and the on-line monitoring method and device of trace element concentration in a kind of gas |
| CN109444232A (en) * | 2018-12-26 | 2019-03-08 | 苏州同阳科技发展有限公司 | A kind of multichannel intelligent polluted gas monitoring device and diffusion source tracing method |
| CN109444232B (en) * | 2018-12-26 | 2024-03-12 | 苏州同阳科技发展有限公司 | Multichannel intelligent polluted gas monitoring device and diffusion tracing method |
| CN110082168A (en) * | 2019-06-04 | 2019-08-02 | 佛山华谱测智能科技有限公司 | A kind of multi-channel gas sampling probe and the sampler including the probe |
| CN110274797A (en) * | 2019-06-28 | 2019-09-24 | 南京康测自动化设备有限公司 | One kind removing liquid water sampling apparatus |
| CN110220754A (en) * | 2019-07-05 | 2019-09-10 | 上海华川环保科技有限公司 | A kind of high-temperature flue gas heating sampling probe |
| CN112629950A (en) * | 2020-11-24 | 2021-04-09 | 呼和浩特科林热电有限责任公司 | Flue gas sampling device, SCR reactor's flue gas monitoring 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: 20151111 Termination date: 20160617 |