CN102200499A - Device for measuring temperature and humidity of flue gas in spraying equipment - Google Patents
Device for measuring temperature and humidity of flue gas in spraying equipment Download PDFInfo
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- CN102200499A CN102200499A CN2011101046297A CN201110104629A CN102200499A CN 102200499 A CN102200499 A CN 102200499A CN 2011101046297 A CN2011101046297 A CN 2011101046297A CN 201110104629 A CN201110104629 A CN 201110104629A CN 102200499 A CN102200499 A CN 102200499A
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Abstract
The invention discloses a device for measuring the temperature and humidity of flue gas in spraying equipment, which comprises a separation tube, a sampling tube and an aspirating chamber, wherein the separation tube, the sampling tube and the aspirating chamber are sequentially communicated; the lower end of the separation tube is communicated with an original flue gas inlet; the inside of the sampling tube is provided with a thermocouple; and the inside of the aspirating chamber is provided with a clean flue gas outlet communicated with a vacuum pump and a sample gas outlet communicated with a hygrometer. The device disclosed by the invention has the advantages that the front end of the sampling tube is provided with a separation tube, and droplets and flue gas in the separation tube are separated because the inertia forces of droplets and flue gas are different, therefore, the flue gas which is fed into the sampling tube and finally pumped into the aspirating chamber is clean flue gas subjected to droplet removal, so that, by using the thermocouple and the hygrometer in the prior art, the temperature and humidity of the flue gas can be determined accurately, thereby solving the problem of measured deviation caused by droplet interference.
Description
Technical field
The present invention relates to a kind of device that is used for measuring spraying apparatus flue-gas temperature and humidity, relate in particular to a kind of be used to measure the flue-gas temperature when having drop to exist and the device of humidity.
Background technology
The gaseous contaminant that is discharged for stationary source (as power station, industrial furnace etc.) is (as SO
2, HCl, HF etc.) mostly adopt wet scrubbing technology to administer, be about to a large amount of absorbing agents and become the less drop of particle diameter by atomizer, carry out counter current contacting with the flue gas that contains pollutant, in contact process, carry out chemical reaction, thereby remove waste gas wherein.Similarly be widely used in the drying process with atomizing of industrial circles such as food, chemical industry, environmental protection with it in addition, it is characterized in that pending liquid is atomized into the less drop of particle diameter by atomizer, with process that high-temperature medium contacts in drying or granulation.The characteristics of this two classes technology all are the drops that exists a large amount of particle diameters less in flue gas.
In order to know the running status in spray absorber or the spray drying tower, thereby optimize the operation parameter, need be to measuring the temperature and the humidity of each position under the situation that has a large amount of atomized drops to exist.Because the existence of a large amount of spray droplets, flue-gas temperature and the humidity ratio that will accurately measure each position are difficult, mainly be because drop can constantly wash away thermopair, cause bigger error, measured temperature obviously, also faces same problem for the measurement of humidity between the flue-gas temperature and wet-bulb temperature of reality, in order to measure reliably, should definitely avoid drop attached to the thermopair surface.
The measurement mechanism of prior art all is to design under the situation about existing at no a large amount of drops, therefore the measuring method of prior art all be based on prior art measurement mechanism a kind of accommodation or improve one's methods, first kind for directly adopting existing surveying instrument directly to stretch in the spray field, take out after occasionally the hygronom surface is stained with drop until thermoelectricity, clean, enter the test of next round again.This method of testing practical operation is comparatively complicated, and the measured temperature of describing owing to last joint of reason has certain deviation with real temperature.Another kind method is then for adopting the heating stopple coupon to remove drop wherein, but this is only applicable to not have in the drop situation of dissolved substance, and the time interval of measuring is subjected to the temperature balance of stopple coupon and the restriction of drop sedimentation velocity, this has just determined in most test occasion, it is chronic accordingly, and the density of spray field should be very low.As seen, because the interference of drop, the temperature and humidity of accurately measuring in spray column or the spray tower is comparatively difficult.
Summary of the invention
Technical matters to be solved by this invention provides a kind of proving installation that can accurately measure temperature and humidity in spray column or the spray tower in the environment that has a large amount of fine drop to exist.
For solving the problems of the technologies described above, the invention provides the measurement mechanism of flue-gas temperature and humidity in a kind of spraying apparatus, include the separator tube, stopple coupon and the aspirating chamber that are communicated with successively, the lower end of separator tube is connected with former gas approach, be provided with thermopair in the stopple coupon, be provided with the sample gas outlet that is connected clean exhanst gas outlet and is connected with hygronom with vacuum pump in the aspirating chamber, described separator tube is a pipeline crooked or broken line type.
The measurement mechanism of flue-gas temperature and humidity in the aforesaid spraying apparatus is characterized in that: described separator tube is the S shape pipe that two U-shaped pipes are formed by connecting.
The measurement mechanism of flue-gas temperature and humidity in the aforesaid spraying apparatus is characterized in that: described separator tube is a V-arrangement baffling pipe.
The measurement mechanism of flue-gas temperature and humidity in the aforesaid spraying apparatus is characterized in that: the cross sectional shape of described separator tube is for circular.
The measurement mechanism of flue-gas temperature and humidity in the aforesaid spraying apparatus is characterized in that: the cross sectional shape of described separator tube is a rectangle.
The beneficial effect that the present invention reached:The measurement mechanism of flue-gas temperature and humidity has added a separator tube at the front end of stopple coupon in the spraying apparatus of the present invention, drop separates because of the different of inertial force with flue gas in separator tube, thereby, the flue gas that enters in stopple coupon and the final suction aspirating chamber is a clean flue gas of removing drop, the thermopair of prior art and hygronom just can accurately be measured its temperature and humidity like this, have solved drop and have disturbed the measured deviation problem that causes.
Description of drawings
Fig. 1 is used for measuring the front view of first embodiment of the device of spraying apparatus flue-gas temperature and humidity for the present invention is a kind of;
Fig. 2 is used for measuring the front view of second embodiment of the device of spraying apparatus flue-gas temperature and humidity for the present invention is a kind of.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Consult Figure 1 and Figure 2, the measurement mechanism of flue-gas temperature and humidity in the spraying apparatus, it includes separator tube 4, stopple coupon 3 and the aspirating chamber 6 that is communicated with successively, the lower end of separator tube 4 is connected with former gas approach 5, be provided with thermopair 2 in the stopple coupon 3, be provided with the sample gas outlet 7 that is connected clean exhanst gas outlet 1 and is connected with hygronom with vacuum pump in the aspirating chamber 6, separator tube 4 is the S shape pipe that 2 U-shaped pipes are spliced.
During actual measurement, the flue gas that contains a large amount of drops is introduced into measurement mechanism from former gas approach 5, motion from bottom to top, when entering the passage in the separator tube 4, because the deviation of streamline, under the effect of inertial force, realize gas-liquid separation, the part drop impinges upon on the mist eliminator blade and is captured down, the flue gas that enters like this in stopple coupon and the final suction aspirating chamber is a clean flue gas of removing drop, the thermopair of prior art and hygronom just can accurately be measured its temperature and humidity like this, have solved drop and have disturbed the measured deviation problem that causes.
In order to realize separating of drop and flue gas, the separator tube that is adopted also can be a V-arrangement baffling pipe.The cross sectional shape of separator tube can be circle, also can be rectangle.
The above only is a better embodiment of the present invention; protection scope of the present invention is not exceeded with above-mentioned embodiment; as long as the equivalence that those of ordinary skills do according to disclosed content is modified or changed, all should include in the protection domain of putting down in writing in claims.
Claims (5)
1. the measurement mechanism of flue-gas temperature and humidity in the spraying apparatus, it is characterized in that: comprise the separator tube (4), stopple coupon (3) and the aspirating chamber (6) that are communicated with successively, the lower end of separator tube (4) is connected with former gas approach (5), stopple coupon is provided with thermopair in (3), be provided with the sample gas outlet (7) that is connected clean exhanst gas outlet (1) and is connected with hygronom with vacuum pump in the aspirating chamber (6), described separator tube (4) is a pipeline crooked or broken line type.
2. the measurement mechanism of flue-gas temperature and humidity in the spraying apparatus according to claim 1 is characterized in that: described separator tube (4) is the S shape pipe that two U-shaped pipes are formed by connecting.
3. the measurement mechanism of flue-gas temperature and humidity in the spraying apparatus according to claim 1 is characterized in that: described separator tube (4) is a V-arrangement baffling pipe.
4. according to the measurement mechanism of flue-gas temperature and humidity in claim 1 or the 2 or 3 described spraying apparatus, it is characterized in that: the cross sectional shape of described separator tube is for circular.
5. according to the measurement mechanism of flue-gas temperature and humidity in claim 1 or the 2 or 3 described spraying apparatus, it is characterized in that: the cross sectional shape of described separator tube is a rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110104629A CN102200499B (en) | 2011-04-26 | 2011-04-26 | Device for measuring temperature and humidity of flue gas in spraying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110104629A CN102200499B (en) | 2011-04-26 | 2011-04-26 | Device for measuring temperature and humidity of flue gas in spraying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102200499A true CN102200499A (en) | 2011-09-28 |
| CN102200499B CN102200499B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110104629A Expired - Fee Related CN102200499B (en) | 2011-04-26 | 2011-04-26 | Device for measuring temperature and humidity of flue gas in spraying equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964837A (en) * | 2021-03-23 | 2021-06-15 | 浙江大学 | Device and method for measuring absolute humidity of high-humidity flue gas |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212843Y (en) * | 2008-07-08 | 2009-03-25 | 河北省电力研究院 | Integrated heating efficiency measuring device |
| CN101804299A (en) * | 2010-04-09 | 2010-08-18 | 镇江市电站辅机厂 | Dry type desulfurizing, spraying and humidifying device and spraying and humidifying method |
| CN101900493A (en) * | 2010-09-02 | 2010-12-01 | 唐山市长智农工具设计制造有限公司 | Heat energy recycling device of waste flue gas |
| CN101928963A (en) * | 2009-06-23 | 2010-12-29 | 沈阳铝镁设计研究院 | System and method for reducing temperature of electrolysis flue gas |
| CN201697819U (en) * | 2010-03-18 | 2011-01-05 | 武汉钢铁(集团)公司 | Pretreatment system for hydrogen analyser |
| CN102010730A (en) * | 2010-12-19 | 2011-04-13 | 昆明理工大学 | Biomass spiral pyrolytic process and antipyretic device |
| CN202057531U (en) * | 2011-04-26 | 2011-11-30 | 江苏省电力设计院 | Flue gas temperature and humidity measuring device for spraying equipment |
-
2011
- 2011-04-26 CN CN201110104629A patent/CN102200499B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212843Y (en) * | 2008-07-08 | 2009-03-25 | 河北省电力研究院 | Integrated heating efficiency measuring device |
| CN101928963A (en) * | 2009-06-23 | 2010-12-29 | 沈阳铝镁设计研究院 | System and method for reducing temperature of electrolysis flue gas |
| CN201697819U (en) * | 2010-03-18 | 2011-01-05 | 武汉钢铁(集团)公司 | Pretreatment system for hydrogen analyser |
| CN101804299A (en) * | 2010-04-09 | 2010-08-18 | 镇江市电站辅机厂 | Dry type desulfurizing, spraying and humidifying device and spraying and humidifying method |
| CN101900493A (en) * | 2010-09-02 | 2010-12-01 | 唐山市长智农工具设计制造有限公司 | Heat energy recycling device of waste flue gas |
| CN102010730A (en) * | 2010-12-19 | 2011-04-13 | 昆明理工大学 | Biomass spiral pyrolytic process and antipyretic device |
| CN202057531U (en) * | 2011-04-26 | 2011-11-30 | 江苏省电力设计院 | Flue gas temperature and humidity measuring device for spraying equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964837A (en) * | 2021-03-23 | 2021-06-15 | 浙江大学 | Device and method for measuring absolute humidity of high-humidity flue gas |
| CN112964837B (en) * | 2021-03-23 | 2022-02-11 | 浙江大学 | Device and method for measuring absolute humidity of high-humidity flue gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102200499B (en) | 2012-10-10 |
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Address after: 210009 Gulou District, Jiangsu, Nanjing new model road, No. 5 Patentee after: Chinese energy construction group Jiangsu Prov. Power Design Inst Co., Ltd Patentee after: Southeast University Address before: 210009 Gulou District, Jiangsu, Nanjing new model road, No. 5 Patentee before: Jiangsu Electric Power Designing Institute Patentee before: Southeast University |
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Granted publication date: 20121010 Termination date: 20200426 |