CN105617823A - Semiconductor cooling dehumidifying dehydration device and application - Google Patents
Semiconductor cooling dehumidifying dehydration device and application Download PDFInfo
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- CN105617823A CN105617823A CN201410592637.4A CN201410592637A CN105617823A CN 105617823 A CN105617823 A CN 105617823A CN 201410592637 A CN201410592637 A CN 201410592637A CN 105617823 A CN105617823 A CN 105617823A
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Abstract
The invention discloses a semiconductor cooling dehumidifying dehydration device. Water vapor in high humidity gas is condensed by a semiconductor refrigeration method and the condensed moisture is discharged, thus achieving the dehumidifying dehydration effects. The device is beneficial to rapid and simple measurement under condition of low humidity by a measurement technology.
Description
Technical field
The present invention relates to the device that the cooling wet down of a kind of high humidity gas dewaters, the method specifically utilizing semiconductor refrigerating by the moisture condensation in high humidity gas and is discharged, thus reaching the effect that wet down dewaters, it is beneficial to the quickly and easily measurement of measurement technology under low humidity conditions.
Background technology
In actual sample detection and examination process, much existing or even main flow measurement technology all suffers from a problem needing to solve: the high humility of actual sample can be substantially reduced the sensitivity of detection and resolving effect and identification ability, existence such as humidity makes mass spectrographic sensitivity be substantially reduced, meanwhile also making the spectral peak of ion mobility spectrometry complicate, resolution capability is deteriorated and reduces sensitivity simultaneously. Therefore solve this difficult problem online examination or field monitoring are had great importance. Domestic for all to have carried out much research for this problem at present, wherein the water removal adsorbent such as molecular sieve and film sampling device and multiple techniques are all applied to some extent. Adsorbent also can adsorb determinand while absorption steam dewaters, and additionally it also needs to constantly update in the short time, and these deficiencies limit its wider application; Film sample introduction is technology popular at present, but determinand diffusion is longer through the time of film, and determinand is had selection, and these do not utilize on-the-spot fast monitored and extensive use; Multiple techniques is also a kind of approach solving high humility, but several technology coupling adds the complexity of instrument, and instrument price is expensive, and portability is weak, is suitable for lab analysis, is unfavorable for field assay. It is proposed that the device that dewaters of a kind of quick wet down or method have necessity.
Summary of the invention
The present invention relates to the device that the cooling wet down of a kind of high humidity gas dewaters, the method specifically utilizing semiconductor refrigerating by the moisture condensation in high humidity gas and is discharged, thus reaching the effect that wet down dewaters, it is beneficial to the quickly and easily measurement of measurement technology under low humidity conditions.
The technical solution used in the present invention is as follows:
High humidity gas enters in gas flowing groove by air inlet, under Peltier's heat electrical effect effect, refrigeration due to semiconductor refrigerating module, temperature in gas flowing groove is lower than the temperature of high humidity gas source of the gas, and the steam in high humidity gas is condensed into aqueous water in gas flows groove, is stored in two with the groove lower end in upper groove, a catch basin is formed in groove lower end, total drainage channel periodic switch, condensed water is converged in total drainage channel by a point drainage channel, is expelled to outside device.
A kind of quasiconductor cooling wet down water trap, the cold end of semiconductor refrigerating module fastens upper cover, and upper cover and cold end closely amplexiform, and offer groove in the upper lid surface with cold end in contact, as gas flowing groove;
Offering annular groove on the upper lid surface of groove surrounding as O-ring groove, be placed with sealing O-ring in annular groove, upper cover is airtight with the sealed O-ring of cold end to be connected;
The cold end of semiconductor refrigerating module is vertically placed, the gas flowing groove of upper lid surface is the circuitous channel being made up of more than two grooves arranged from top to bottom, two with upper groove from left to right successively odd number groove lower end be adjacent that the lower end of even number groove is connected, even number groove upper end is adjacent the upper end of odd number groove and is connected; In two with upper groove in the bottom portion of groove of the leftmost side be provided with through hole, as high humidity gas sample air inlet, in two with upper groove in the bottom portion of groove of the rightmost side be provided with through hole, as air vent; Exhaust ports is provided with two-way valve;
Being provided with through hole in two with the groove lower end in upper groove, as a point drainage channel, point drainage channel of more than two is communicated to total drainage channel by the road, is provided with two-way valve in total drainage channel.
Being provided with more than two fin being perpendicular to hot end surface in the hot junction of semiconductor refrigerating module, be provided with radiator fan in fin away from side, hot junction, the heat in process of refrigerastion shifts via fin and radiator fan and leaves.
High humidity gas sample air inlet is connected with high humidity gas source of the gas, and air vent is connected with the air inlet of institute body Sample detector such as ion mobility spectrometry through two-way valve, and total drainage channel is connected with water collecting container through two-way valve.
Described device dewaters for high humidity gas sample, high humidity gas enters in gas flowing groove by air inlet, under Peltier's heat electrical effect effect, refrigeration due to semiconductor refrigerating module, temperature in gas flowing groove is lower than the temperature of high humidity gas source of the gas, steam in high humidity gas is condensed into aqueous water in gas flows groove, it is stored in two with the groove lower end in upper groove, a catch basin is formed in groove lower end, total drainage channel periodic switch, condensed water is converged in total drainage channel by a point drainage channel, is expelled to outside device.
Semiconductor refrigerating module can pass through drainage channel by periodic for condensed water discharger, it utilizes semiconductor cooling device by the moisture condensation in high humility gas and to discharge, thus reaching the effect that wet down dewaters, being beneficial to and needing the quickly and easily measurement of measurement technology under low-moisture conditions.
The refrigeration modes of device is semiconductor refrigerating (peltier effect), and the temperature range of refrigeration is-10 DEG C-room temperature.
It is 1-100% that this device is applicable to the RH range of high humility gas.
High humility gas comprises the closed environment gas of expired gas, moist outdoor air, moist room air or humidity.
Advantages of the present invention is as follows:
1. utilizing semiconductor refrigerating technology, the online fast cooling of humid gas sample, online rapid condensation wet down dewaters, it is achieved the online quickly wet down of humid gas sample dewaters and measures.
2. semiconductor cooling device is simple, and portable, cost is low, quickly.
3. cryogenic temperature is adjustable, can arrange different cryogenic temperatures for different samples.
4. the object variation that wet down dewaters, it is possible to achieve the wet down of multiple gases sample dewaters.
Accompanying drawing explanation
The sectional view of Fig. 1 semiconductor refrigerating module;
Wherein, (1) be high humidity gas sample air inlet, (2) be gas flowing groove, (3) be catch basin, (4) be total drainage channel, (5) be seal, (6) be O-ring groove, (7) be draining seal, (8) be a point drainage channel, (9) be air vent, (10) be semiconductor refrigerating module. High humidity gas enters in gas flowing groove (2) by air inlet (1), refrigeration due to semiconductor refrigerating module, temperature in gas flowing groove is relatively low, moisture condensation in high humidity gas becomes aqueous water, it is stored in catch basin (3), total drainage channel (4) periodic switch, condensed water is converged in total drainage channel by a point drainage channel (8), discharges outside module; Drainage channel is divided to be sealed three draining seals (7) by screw and O-ring; Whole refrigeration module is sealed four seals (5) by screw and O-ring.
The installation drawing of Fig. 2 semiconductor refrigerating module;
Wherein, (11) are semiconductor module lay down location, and (12) are fin, and (13) are radiator fan; The heat of the generation in semiconductor refrigerating process leaves via many fin and radiator fan.
The wet down water removal effect of Fig. 3 semiconductor cooling device;
Detailed description of the invention
As shown in Figure 1: high humidity gas enters in gas flowing groove by air inlet, refrigeration due to semiconductor refrigerating module, temperature in gas flowing groove is relatively low, moisture condensation in high humidity gas becomes aqueous water, it is stored in catch basin, total drainage channel periodically turns off, and condensed water is converged in total drainage channel by a point drainage channel, gets rid of outside module; Drainage channel is divided to be sealed at three draining seals by screw and O-ring; Whole refrigeration module is sealed at four seals by screw and O-ring.
Embodiment 1
Three kinds of different in flow rate respectively 400mL/min, 600mL/min, 50L/s humidity are in the refrigeration module that highly humid air entrance cryogenic temperature is 2 DEG C of 97%RH, condensed effect, in nearly 50 minutes, 400 and the humidity of 600ml/min sample introduction flow velocity humid gas be reduced to 10% and about 14%, humidity reduces 6.9-9.7 times; Additionally when flow velocity 50ml/s sample introduction, cooled system, in 5min, the humidity of humid air is reduced to 24.3%-55.1%, and humidity reduces 1.7-4 times. Result shows that semiconductor cooling device has the effect of dewatering of good wet down.
Claims (8)
1. a quasiconductor cooling wet down water trap, it is characterised in that:
The cold end of semiconductor refrigerating module (11) fastens upper cover, and upper cover and cold end closely amplexiform, and offer groove in the upper lid surface with cold end in contact, as gas flowing groove (2);
Offering annular groove (6) on the upper lid surface of groove surrounding as O-ring groove, be placed with sealing O-ring in annular groove, upper cover is airtight with the sealed O-ring of cold end to be connected;
The cold end of semiconductor refrigerating module (11) is vertically placed, gas flowing groove (2) of upper lid surface is the circuitous channel being made up of more than two grooves arranged from top to bottom, two with upper groove from left to right successively odd number groove lower end be adjacent that the lower end of even number groove is connected, even number groove upper end is adjacent the upper end of odd number groove and is connected; In two with upper groove in the bottom portion of groove of the leftmost side be provided with through hole, as high humidity gas sample air inlet (1), in two with upper groove in the bottom portion of groove of the rightmost side be provided with through hole, as air vent (9); Air vent (9) place is provided with two-way valve;
It is provided with through hole with the groove lower end in upper groove in two, as a point drainage channel (8), point drainage channel (8) of more than two is communicated to total drainage channel (4) by the road, is provided with two-way valve in total drainage channel (4).
2. device according to claim 1, it is characterised in that:
More than two fin (12) being perpendicular to hot end surface it are provided with in the hot junction of semiconductor refrigerating module (11), being provided with radiator fan (13) in fin (12) away from side, hot junction, the heat in process of refrigerastion shifts via fin and radiator fan and leaves.
3. device according to claim 1, it is characterised in that:
High humidity gas sample air inlet (1) is connected with high humidity gas source of the gas, air vent (9) is connected with the air inlet of institute body Sample detector such as ion mobility spectrometry through two-way valve, and total drainage channel (4) is connected with water collecting container through two-way valve.
4. the application of device described in a claim 1,2 or 3, it is characterised in that:
Described device dewaters for high humidity gas sample, high humidity gas enters in gas flowing groove by air inlet (1), under Peltier's heat electrical effect effect, refrigeration due to semiconductor refrigerating module, temperature in gas flowing groove is lower than the temperature of high humidity gas source of the gas, steam in high humidity gas is condensed into aqueous water in gas flows groove, it is stored in two with the groove lower end in upper groove, a catch basin (3) is formed in groove lower end, total drainage channel periodic switch, condensed water is converged in total drainage channel by a point drainage channel, it is expelled to outside device.
5. application according to claim 4, it is characterized in that: semiconductor refrigerating module can pass through drainage channel by periodic for condensed water discharger, it utilizes semiconductor cooling device by the moisture condensation in high humility gas and to discharge, thus reaching the effect that wet down dewaters, being beneficial to and needing the quickly and easily measurement of measurement technology under low-moisture conditions.
6. application according to claim 4, it is characterised in that: the refrigeration modes of device is semiconductor refrigerating (peltier effect), and the temperature range of refrigeration is-10 DEG C-room temperature.
7. application according to claim 4, it is characterised in that: it is 1-100% that this device is applicable to the RH range of high humility gas.
8. application according to claim 7, it is characterised in that: high humility gas comprises the closed environment gas of expired gas, moist outdoor air, moist room air or humidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592637.4A CN105617823A (en) | 2014-10-28 | 2014-10-28 | Semiconductor cooling dehumidifying dehydration device and application |
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| CN201410592637.4A CN105617823A (en) | 2014-10-28 | 2014-10-28 | Semiconductor cooling dehumidifying dehydration device and application |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063781A (en) * | 2017-04-24 | 2017-08-18 | 华北电力大学（保定） | A kind of portable fog is collected and conductivity detector |
| CN108088712A (en) * | 2016-11-21 | 2018-05-29 | 中国科学院大连化学物理研究所 | A kind of expiratory air sampling apparatus and the method for sampling for the detection of direct mass spectrography |
| CN108871926A (en) * | 2018-07-10 | 2018-11-23 | 昆山和智电气设备有限公司 | Micro gas apparatus is extracted in a kind of new oil |
| CN109824397A (en) * | 2019-03-05 | 2019-05-31 | 南京西普环保科技有限公司 | A reactor with a water vapor separation device |
| CN109839425A (en) * | 2017-11-27 | 2019-06-04 | 中国科学院大连化学物理研究所 | A kind of on-line mass spectroscopy sampling sample introduction integrated apparatus for quick humidity regulation |
| CN112156623A (en) * | 2020-09-30 | 2021-01-01 | 北京市劳动保护科学研究所 | A dehydrating unit for volatile organic compounds detects |
| CN112638117A (en) * | 2020-11-28 | 2021-04-09 | 天津建科建筑节能环境检测有限公司 | Cooling device of polymer active ingredient thermal analyzer |
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| US4400948A (en) * | 1981-12-28 | 1983-08-30 | Moorehead Jack F | Air dryer |
| CN201156026Y (en) * | 2008-02-03 | 2008-11-26 | 中国科学院大连化学物理研究所 | A semiconductor refrigeration device for dehydration of gas samples in ion mobility spectrometers |
| CN202342936U (en) * | 2011-11-28 | 2012-07-25 | 中国人民解放军防化学院 | Dehumidifier |
| CN202605995U (en) * | 2012-05-24 | 2012-12-19 | 南京霍普斯科技有限公司 | Semiconductor refrigerator |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4400948A (en) * | 1981-12-28 | 1983-08-30 | Moorehead Jack F | Air dryer |
| CN201156026Y (en) * | 2008-02-03 | 2008-11-26 | 中国科学院大连化学物理研究所 | A semiconductor refrigeration device for dehydration of gas samples in ion mobility spectrometers |
| CN202342936U (en) * | 2011-11-28 | 2012-07-25 | 中国人民解放军防化学院 | Dehumidifier |
| CN202605995U (en) * | 2012-05-24 | 2012-12-19 | 南京霍普斯科技有限公司 | Semiconductor refrigerator |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088712A (en) * | 2016-11-21 | 2018-05-29 | 中国科学院大连化学物理研究所 | A kind of expiratory air sampling apparatus and the method for sampling for the detection of direct mass spectrography |
| CN107063781A (en) * | 2017-04-24 | 2017-08-18 | 华北电力大学（保定） | A kind of portable fog is collected and conductivity detector |
| CN109839425A (en) * | 2017-11-27 | 2019-06-04 | 中国科学院大连化学物理研究所 | A kind of on-line mass spectroscopy sampling sample introduction integrated apparatus for quick humidity regulation |
| CN109839425B (en) * | 2017-11-27 | 2021-12-24 | 中国科学院大连化学物理研究所 | On-line mass spectrum sampling and sample introduction integrated device for rapid humidity regulation |
| CN108871926A (en) * | 2018-07-10 | 2018-11-23 | 昆山和智电气设备有限公司 | Micro gas apparatus is extracted in a kind of new oil |
| CN109824397A (en) * | 2019-03-05 | 2019-05-31 | 南京西普环保科技有限公司 | A reactor with a water vapor separation device |
| CN112156623A (en) * | 2020-09-30 | 2021-01-01 | 北京市劳动保护科学研究所 | A dehydrating unit for volatile organic compounds detects |
| CN112638117A (en) * | 2020-11-28 | 2021-04-09 | 天津建科建筑节能环境检测有限公司 | Cooling device of polymer active ingredient thermal analyzer |
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Application publication date: 20160601 |