CN203259311U - Desulphurization GGH leakage rate measuring device - Google Patents
Desulphurization GGH leakage rate measuring device Download PDFInfo
- Publication number
- CN203259311U CN203259311U CN 201320151925 CN201320151925U CN203259311U CN 203259311 U CN203259311 U CN 203259311U CN 201320151925 CN201320151925 CN 201320151925 CN 201320151925 U CN201320151925 U CN 201320151925U CN 203259311 U CN203259311 U CN 203259311U
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- Prior art keywords
- sampling
- ggh
- tube
- flash vessel
- steel tube
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- 238000005070 sampling Methods 0.000 claims abstract description 56
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 19
- 239000010935 stainless steel Substances 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims description 11
- 238000006477 desulfuration reaction Methods 0.000 claims description 6
- 230000023556 desulfurization Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 18
- 239000003546 flue gas Substances 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a desulphurization GGH leakage rate measuring device. The device comprises a sampling tube, a stainless steel tube, a heat tracing wire layer, a high-temperature-resistance thermal-insulating layer, a flash tank, a cone-shaped flash tank, an analyzer and a sampling flow regulating device, wherein the stainless steel tube is sleeved on the sampling tube, the heat tracing wire layer and the high-temperature-resistance thermal-insulating layer are sequentially arranged between the outer surface of the sampling tube and the inner surface of the stainless steel tube, the flash tank is sleeved on one end of the stainless steel tube, the cone-shaped flash tank is arranged on the bottom surface in the flash tank and is communicated with an air inlet of the sampling tube, the analyzer is arranged on an air outlet of the sampling tube, the sampling flow regulating device is arranged on the sampling tube and is located at the same side as the analyzer, one side of the flash tank is provided with an air inlet tube, and a variable-frequency sampling pump is arranged in the analyzer. The desulphurization GGH leakage rate measuring device is simple in structure; a handle is arranged on the device, so that the device is convenient to operate; manufacturing cost is low; by adopting the desulphurization GGH leakage rate measuring device, measuring precision of the concentration of sulfur dioxide in high-humidity flue gas is high, and measuring precision of the GGH air leakage rate is high.
Description
Technical field
The utility model relates to a kind of desulfurization GGH slip measurement mechanism.
Background technology
GGH is the major failure point of desulphurization system, and the problems such as the fouling of its generation, leakage have a strong impact on the safe and stable operation of desulphurization system and cause the flue gas pollutant discharging to exceed standard.General norm requires the slip of GGH less than 1%, and this is the leading indicator that the desulphurization system Performance Assessment is checked and accepted.The assay method of GGH slip is to measure simultaneously the exhaust gas volumn that former, the clean fume side of GGH is imported and exported flue at present, calculates according to the air leak rate of air curtain computing formula.But because GGH exhaust pass bulky, clean humidity of flue gas is high, contains a large amount of drops in the flue gas simultaneously, very easily stops up pitot tube, and the exhaust gas volumn measuring error is large, and the GGH air leak rate of air curtain is difficult to Measurement accuracy.
The utility model content
Technical problem to be solved in the utility model provides a kind of simple in structure, easy to operate and desulfurization GGH slip measurement mechanism that measuring accuracy is high.
The utility model adopts following technical scheme:
The utility model comprises sampling pipe, be sleeved on stainless-steel tube on the sampling pipe, be successively set on companion's hot line layer and high temperature resistant heat insulation layer between sampling pipe outside surface and the stainless steel pipe inner surface, be sleeved on stainless-steel tube one end flash vessel, be arranged on bottom surface is communicated with the sampling pipe air intake opening in the flash vessel Rotary-table flash vessel, be arranged on the analyser on the sampling pipe gas outlet and be arranged on sampling flow regulating device on the analyser one side sampling pipe, described flash vessel one side arranges draft tube, and the frequency-change sampling pump is set in the described analyser.
Sampling flow regulating device described in the utility model is spinner-type flowmeter.
The upper bottom surface of Rotary-table flash vessel described in the utility model is less than the area of bottom surface, and the Area Ratio of described upper bottom surface and bottom surface is 1: 6.
The utility model good effect is as follows:
The utility model sampling pipe air intake opening place arranges the Rotary-table flash vessel, and the upper bottom surface of Rotary-table flash vessel and the Area Ratio of bottom surface are 1: 6, makes flue gas enter sampling pipe and changes flow velocity before, and drop is separated from flue gas, reduces the droplet content in the flue gas; Sampling pipe adopts polyfluortetraethylene pipe, its outside surface applies companion's hot line, companion's hot line skin is established high temperature resistant (more than 180 ℃) thermofin, the outer casing stainless steel pipe prevents sampling pipe wobble effects sampling precision along with air-flow in flue, the stainless-steel tube top arranges the cylinder bag flash vessel that sidepiece is provided with draft tube, the diameter of flash vessel is than the large 3-5 of diameter times of sampling pipe, after flue gas enters flash vessel from draft tube, change flue gas flow rate and direction, drop is separated from flue gas, the sampling flow regulating device is spinner-type flowmeter, require apolegamy spinner-type flowmeter model according to sampling pipe diameter and analyser sample airshed, guarantee that by regulating the sample airshed pretreatment unit condenser working is normal, adopt the frequency-change sampling pump further to regulate the sample gas flow strict and steady that the sample airshed guarantees to enter the analyser analytic unit, SO
2Measurement of concetration is accurate.The utility model is simple in structure, and handle is installed on the device, and is easy to operate, and cost of manufacture is low, adopts the utility model device to SO in the high-humidity flue gas
2The measurement of concetration precision is high, and the GGH air leak rate of air curtain is measured accurately.
Description of drawings
Accompanying drawing 1 is the utility model cross-sectional view.
In the accompanying drawings: 1 sampling pipe, 2 Rotary-table flash vessels, 3 high temperature resistant heat insulation layers, 4 companion's hot line layers, 5 analysers, 6 sampling flow regulating devices, 7 stainless-steel tubes, 8 frequency-change sampling pumps, 9 flash vessels, 10 draft tube, 11 handles.
Embodiment
As shown in Figure 1, the utility model comprises sampling pipe 1, be sleeved on the stainless-steel tube 7 on the sampling pipe 1, be successively set on companion's hot line layer 4 and high temperature resistant heat insulation layer 3 between sampling pipe 1 outside surface and stainless-steel tube 7 inside surfaces, be sleeved on the flash vessel 9 of stainless-steel tube 7 one ends, be arranged on the Rotary-table flash vessel 2 that flash vessel 9 interior bottom surfaces are communicated with sampling pipe 1 air intake opening, be arranged on the analyser 5 on sampling pipe 1 gas outlet and be arranged on sampling flow regulating device 6 on the analyser 5 one side sampling pipes 1, described flash vessel 9 one sides arrange draft tube 10, the described analyser 5 interior frequency-change sampling pumps 8 that arrange, described sampling flow regulating device 6 is spinner-type flowmeter, state the upper bottom surface of Rotary-table flash vessel less than the area of bottom surface, the Area Ratio of described upper bottom surface and bottom surface is 1: 6.
The utility model sampling pipe 1 air intake opening place arranges Rotary-table flash vessel 2, the upper bottom surface of Rotary-table flash vessel 2 and the Area Ratio of bottom surface are 1: 6, make flue gas enter sampling pipe 1 and change flow velocity before, drop is separated from flue gas, reduces the droplet content in the flue gas; Sampling pipe 1 adopts polyfluortetraethylene pipe, its outside surface applies companion's hot line, companion's hot line layer 4 peripheral hardware high temperature resistant (more than 180 ℃) thermofin 3, prevent from scalding operating personnel, stainless-steel tube 7 prevents sampling pipe 1 wobble effects sampling precision along with air-flow in flue, stainless-steel tube 7 tops arrange the cylinder bag flash vessel 9 that sidepiece is provided with draft tube 10, the diameter of flash vessel 9 is than the large 3-5 of diameter times of stainless-steel tube 7, after flue gas enters flash vessel 9 from draft tube 10, change flue gas flow rate and direction, drop is separated from flue gas, sampling flow regulating device 6 is spinner-type flowmeter, require apolegamy spinner-type flowmeter model according to sampling pipe diameter and analyser sample airshed, guarantee that by regulating the sample airshed pretreatment unit condenser working is normal, adopt the frequency-change sampling pump further to regulate the sample gas flow strict and steady that the sample airshed guarantees to enter the analyser analytic unit, SO
2Measurement of concetration is accurate.The utility model is simple in structure, and handle 11 is installed on the device, and is easy to operate, and cost of manufacture is low, adopts the utility model device to SO in the high-humidity flue gas
2The measurement of concetration precision is high, and the GGH air leak rate of air curtain is measured accurately.
Claims (3)
1. desulfurization GGH slip measurement mechanism, it is characterized in that it comprises sampling pipe (1), be sleeved on the stainless-steel tube (7) on the sampling pipe (1), be successively set on companion's hot line layer (4) and high temperature resistant heat insulation layer (3) between sampling pipe (1) outside surface and stainless-steel tube (7) inside surface, be sleeved on the flash vessel (9) of stainless-steel tube (7) one ends, be arranged on the Rotary-table flash vessel (2) that the interior bottom surface of flash vessel (9) is communicated with sampling pipe (1) air intake opening, be arranged on the analyser (5) on sampling pipe (1) gas outlet and be arranged on sampling flow regulating device (6) on analyser (5) the one side sampling pipes (1), described flash vessel (9) one sides arrange draft tube (10), and frequency-change sampling pump (8) is set in the described analyser (5).
2. a kind of desulfurization GGH slip measurement mechanism according to claim 1 is characterized in that described sampling flow regulating device (6) is spinner-type flowmeter.
3. a kind of desulfurization GGH slip measurement mechanism according to claim 1 and 2 is characterized in that the upper bottom surface of described Rotary-table flash vessel (2) less than the area of bottom surface, and the Area Ratio of described upper bottom surface and bottom surface is 1: 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320151925 CN203259311U (en) | 2013-03-29 | 2013-03-29 | Desulphurization GGH leakage rate measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320151925 CN203259311U (en) | 2013-03-29 | 2013-03-29 | Desulphurization GGH leakage rate measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259311U true CN203259311U (en) | 2013-10-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320151925 Expired - Fee Related CN203259311U (en) | 2013-03-29 | 2013-03-29 | Desulphurization GGH leakage rate measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203259311U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424286A (en) * | 2015-12-21 | 2016-03-23 | 国网浙江省电力公司电力科学研究院 | Air leakage judgment method of exhaust gas heat exchanger |
| CN108007650A (en) * | 2016-11-02 | 2018-05-08 | 中国辐射防护研究院 | A kind of method using the active-carbon bed mechanical leaks rate of gas chromatographic measurement |
| CN110285931A (en) * | 2019-07-08 | 2019-09-27 | 广州珠江电力有限公司 | A kind of detection method of heat-engine plant desulfurizer flue gas heat-exchange unit air leak rate of air curtain |
| EP3671168A1 (en) * | 2018-12-20 | 2020-06-24 | Omv Refining & Marketing Gmbh | Method for detecting and preventing leakage |
| CN112857700A (en) * | 2020-12-31 | 2021-05-28 | 河南中电投华新电力工程有限公司 | Detection system and method for air leakage rate of flue gas heat exchanger of desulfurization device of thermal power plant |
-
2013
- 2013-03-29 CN CN 201320151925 patent/CN203259311U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424286A (en) * | 2015-12-21 | 2016-03-23 | 国网浙江省电力公司电力科学研究院 | Air leakage judgment method of exhaust gas heat exchanger |
| CN108007650A (en) * | 2016-11-02 | 2018-05-08 | 中国辐射防护研究院 | A kind of method using the active-carbon bed mechanical leaks rate of gas chromatographic measurement |
| EP3671168A1 (en) * | 2018-12-20 | 2020-06-24 | Omv Refining & Marketing Gmbh | Method for detecting and preventing leakage |
| WO2020127947A1 (en) | 2018-12-20 | 2020-06-25 | Omv Refining & Marketing Gmbh | Method for detecting and preventing leaks |
| CN110285931A (en) * | 2019-07-08 | 2019-09-27 | 广州珠江电力有限公司 | A kind of detection method of heat-engine plant desulfurizer flue gas heat-exchange unit air leak rate of air curtain |
| CN112857700A (en) * | 2020-12-31 | 2021-05-28 | 河南中电投华新电力工程有限公司 | Detection system and method for air leakage rate of flue gas heat exchanger of desulfurization device of thermal power plant |
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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: 20131030 Termination date: 20160329 |