CN201757750U - Thermostatic heating device of portable flue gas test instrument - Google Patents
Thermostatic heating device of portable flue gas test instrument Download PDFInfo
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- CN201757750U CN201757750U CN2010202750404U CN201020275040U CN201757750U CN 201757750 U CN201757750 U CN 201757750U CN 2010202750404 U CN2010202750404 U CN 2010202750404U CN 201020275040 U CN201020275040 U CN 201020275040U CN 201757750 U CN201757750 U CN 201757750U
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- flue gas
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Abstract
The utility model discloses a thermostatic heating device of a portable flue gas test instrument, and comprises a flue gas filtration thermostatic heating device, an ultraviolet gas absorption cell heating thermostatic device and a zirconia oxygen measuring sensor, wherein the flue gas filtration thermostatic heating device is connected with a flue gas suction thermostatic heating device; the ultraviolet gas absorption cell heating thermostatic device is respectively connected with the flue gas suction thermostatic heating device and a high-temperature resistance gas sampling pump; heating is controlled by an embedded single-board computer to maintain constant temperature; and the high-temperature resistance gas sampling pump is connected with the zirconia oxygen measuring sensor. The utility model solves the problem of high-temperature measurement of oxygen by the traditional electrochemistry test instrument, overcomes the defect of low measurement results caused by sulfur dioxide absorption by condensed water in a flue gas preprocessor of the traditional portable flue gas test instrument, and provides a portable instrument for real-time on-line calibration CEMS for the environmental monitoring department, and solves the problems of temperature and pressure correction of the flue gas test instrument adopting the ultraviolet absorption method.
Description
Technical field
The utility model relates to the constant temperature heating device of a kind of constant temperature heating device, particularly a kind of portable smoke detecting instrument.
Background technology
Domestic present portable smoke detecting instrument is taked the measuring method of electrochemical sensor more, because the air chamber temperature of the service condition-sensor of sensor can not surpass 40 degree, moisture effects SO
2Test result, most domestic and international manufacturer all takes measures such as heat tracing 110 degree-rapid condensation dewater to improve test accuracy.This method has partly solved water vapor condensation and has absorbed SO
2And the sulfur dioxide gas that causes is tested inaccurate problem, but condensate water still will absorb sulphuric dioxide, makes measurement result on the low side.The service condition that the air chamber temperature of electrochemical sensor can not surpass 40 degree has limited its high temperature application.
The utility model content
The purpose of this utility model is to overcome conventional portable smoke detecting instrument flue gas pretreater condensate water to absorb the measurement result defective on the low side that sulphuric dioxide causes.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of constant temperature heating device of portable smoke detecting instrument, it is characterized in that: comprise filtrating smoke dust constant temperature heating device, ultraviolet gas absorption cell heating constant-temperature equipment and zircite oxygen transmitter, described filtrating smoke dust constant temperature heating device links to each other with extraction flue gas constant temperature heating device, and described filtrating smoke dust constant temperature heating device keeps its temperature constant by embedded board machine control heating.Described ultraviolet gas absorption cell heating constant-temperature equipment connects extraction flue gas constant temperature heating device and high temperature resistant gas samping pump respectively, by embedded board machine control heating and maintenance temperature constant; Described high temperature resistant gas samping pump is connected with zircite oxygen transmitter.
Preferably, described filtrating smoke dust constant temperature heating device keeps its temperature constant by embedded board machine control heating.
Preferably, described ultraviolet gas absorption cell heating constant-temperature equipment is by embedded board machine control heating and maintenance temperature constant.
Preferably, the terminal ambient atmosphere that is communicated with of described zircite oxygen transmitter.
Owing to adopted technique scheme, the utlity model has following beneficial effect:
1. the use of smoke filter constant temperature heating device such as corundum or stainless steel filter cylinder, but filtering smoke and avoid water vapor condensation;
2. use the fume extraction heating arrangement, condensate water is separated out when avoiding flue gas to flow through the sampling pipeline, prevents that condensate water from absorbing sulphuric dioxide;
3. the gas absorption cell constant temperature heating device of Zeng Jiaing, make the flue-gas temperature in the air chamber constant at 130 ℃, avoid organism such as water vapor condensation and tar to separate out, the harm of the window of organic pollutants gas absorption cells such as tar such as reduction, the number of times of minimizing purge gas absorption cell;
4. the pressure survey of the flue gas gas coming through absorption cell of Zeng Jiaing realizes the pressure correction of monitoring result, and extracts flue gas controlled variable is provided for the high-temperature gas sampling pump overcomes the resistance constant current;
5. use zircite oxygen transmitter, realize the high temperature measurement of flue gas, demarcate calibration in the hope of the real-time online of realizing CEMS.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Wherein:
1, filtrating smoke dust constant temperature heating device, 2, the fume extraction constant temperature heating device, 3, display screen, 4, optical fiber, 5, high temperature resistant gas samping pump, 6, the embedded board machine, 7, zircite oxygen transmitter, 8, ultraviolet source, 9, ultraviolet gas absorption cell constant temperature heating device.
Embodiment
According to embodiment the utility model is described in further detail below.
As shown in Figure 1, the constant temperature heating device of a kind of portable boiler or stove smoke detecting instrument extracting gases comprises filtrating smoke dust constant temperature heating device 1, fume extraction constant temperature heating device 2, ultraviolet gas absorption cell heating constant-temperature equipment 9 and high temperature resistant gas samping pump 5, zircite oxygen transmitter 7.Described filtrating smoke dust constant temperature heating device 1 links to each other with fume extraction constant temperature heating device 2, keeps its temperature constant by the 6 control heating of embedded board machine; Described ultraviolet gas absorption cell heating constant-temperature equipment 9 connects fume extraction constant temperature heating device 2 and high temperature resistant gas samping pump 5 respectively, by 6 control heating of embedded board machine and maintenance temperature constant; Described zircite oxygen transmitter 7 front ends connect high temperature resistant gas samping pump 5, terminal JA(junction ambient) atmosphere.
After instrument is opened, embedded board machine 6 control filtrating smoke dust constant temperature heating devices 1 begin heating, control fume extraction constant temperature heating device 2 begins heating, control ultraviolet gas absorption cell heating constant-temperature equipment 9 begins heating, control zircite oxygen transmitter 7 begins heating, while filtrating smoke dust constant temperature heating device 1, fume extraction constant temperature heating device 2, ultraviolet gas absorption cell heating constant-temperature equipment 9, the temperature element of zircite oxygen transmitter 7 begins to measure temperature, and signal transferred to embedded board machine 6, heating amplitude by embedded board machine 6 each well heater of control makes fume extraction constant temperature heating device 2, ultraviolet gas absorption cell heating constant-temperature equipment 9, the detecting head difference constant temperature of zircite oxygen transmitter 7 is 130 ℃/120 ℃/130 ℃/500～700 ℃ (according to Zirconium oxide oxygen sensor model set temperature value).After the temperature constant, embedded board machine 6 pilot-gas sampling pumps 5 are opened, and extract flue gas and carry out gasmetry.
The utility model overcomes the deficiency of the pretreater of original electrochemical sensor method tester, take the pattern of omnidistance heating, effectively avoid the condensate water that water vapor condensation causes in the flue gas to absorb sulfur dioxide gas, improve gasmetry accuracy such as sulfur dioxide in flue gas, ammonia greatly.Gas absorption cell is carried out heated at constant temperature control and measures air chamber pressure, avoided organism such as tar to separate out the window that pollutes absorption cell, solved the ultraviolet absorption method smoke detecting instrument can not carry out the temperature and pressure correction to measurement result problem simultaneously; Use zirconia oxygen determination content, solved the high temperature oxygen determination problem of portable smoke test.Solved of the real-time online calibration of environmental monitoring department to flue gas CEMS.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other multi-form variation and changes on the basis of the above description.Here can't give exhaustive to all embodiments.Everyly belong to the row that conspicuous variation that the technical solution of the utility model amplifies out or change still are in protection domain of the present utility model.
Claims (4)
1. the constant temperature heating device of a portable smoke detecting instrument, it is characterized in that: comprise filtrating smoke dust constant temperature heating device, ultraviolet gas absorption cell heating constant-temperature equipment and zircite oxygen transmitter, described filtrating smoke dust constant temperature heating device links to each other with extraction flue gas constant temperature heating device, and described ultraviolet gas absorption cell heating constant-temperature equipment connects extraction flue gas constant temperature heating device and high temperature resistant gas samping pump respectively; Described high temperature resistant gas samping pump is connected with zircite oxygen transmitter.
2. the constant temperature heating device of portable smoke detecting instrument according to claim 1 is characterized in that: described filtrating smoke dust constant temperature heating device keeps its temperature constant by embedded board machine control heating.
3. the constant temperature heating device of portable smoke detecting instrument according to claim 1 and 2 is characterized in that: described ultraviolet gas absorption cell heating constant-temperature equipment is by embedded board machine control heating and keep temperature constant.
4. the constant temperature heating device of portable smoke detecting instrument according to claim 3 is characterized in that: the terminal ambient atmosphere that is communicated with of described zircite oxygen transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202750404U CN201757750U (en) | 2010-07-29 | 2010-07-29 | Thermostatic heating device of portable flue gas test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202750404U CN201757750U (en) | 2010-07-29 | 2010-07-29 | Thermostatic heating device of portable flue gas test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201757750U true CN201757750U (en) | 2011-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202750404U Expired - Fee Related CN201757750U (en) | 2010-07-29 | 2010-07-29 | Thermostatic heating device of portable flue gas test instrument |
Country Status (1)
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| CN (1) | CN201757750U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778433A (en) * | 2012-07-30 | 2012-11-14 | 天津市蓝宇科工贸有限公司 | Normal position zero gas back-blowing type CEMS (continuous emission monitoring system) probe on-line calibration method and device |
| CN102829998A (en) * | 2012-08-30 | 2012-12-19 | 青岛众瑞智能仪器有限公司 | Sampling apparatus for heavy metals in flue gas |
| CN105203471A (en) * | 2014-06-21 | 2015-12-30 | 青岛理工大学 | Novel flue gas tester |
-
2010
- 2010-07-29 CN CN2010202750404U patent/CN201757750U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778433A (en) * | 2012-07-30 | 2012-11-14 | 天津市蓝宇科工贸有限公司 | Normal position zero gas back-blowing type CEMS (continuous emission monitoring system) probe on-line calibration method and device |
| CN102778433B (en) * | 2012-07-30 | 2014-07-23 | 天津市蓝宇科工贸有限公司 | Normal position zero gas back-blowing type CEMS (continuous emission monitoring system) probe on-line calibration method and device |
| CN102829998A (en) * | 2012-08-30 | 2012-12-19 | 青岛众瑞智能仪器有限公司 | Sampling apparatus for heavy metals in flue gas |
| CN105203471A (en) * | 2014-06-21 | 2015-12-30 | 青岛理工大学 | Novel flue gas tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGDAO BRAIN OPTOELECTRONICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: QINGDAO HI-TECH INDUSTRIAL PARK LEIBO ELECTRONIC INSTRUMENT FACTORY Effective date: 20150212 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 266100 QINGDAO, SHANDONG PROVINCE TO: 266000 QINGDAO, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150212 Address after: 266000, building 130, No. 1, Zhuzhou Road, Laoshan District, Qingdao, Shandong Patentee after: Qingdao Bo Rui Optoelectronics Technology Co., Ltd. Address before: 266100, Yongping Road 2, Licang District, Shandong, Qingdao Patentee before: Qingdao Hi-tech Industrial Park Leibo Electronic Instrument Factory |
|
| 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: 20110309 Termination date: 20180729 |