CA2547182A1 - Process and device for producing a current of humid air having a defined relative humidity - Google Patents

Process and device for producing a current of humid air having a defined relative humidity Download PDF

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Publication number
CA2547182A1
CA2547182A1 CA002547182A CA2547182A CA2547182A1 CA 2547182 A1 CA2547182 A1 CA 2547182A1 CA 002547182 A CA002547182 A CA 002547182A CA 2547182 A CA2547182 A CA 2547182A CA 2547182 A1 CA2547182 A1 CA 2547182A1
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CA
Canada
Prior art keywords
humid air
air
current
water
humid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002547182A
Other languages
French (fr)
Other versions
CA2547182C (en
Inventor
Karl-Heinz Mann
Hans-Juergen Mueller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of CA2547182A1 publication Critical patent/CA2547182A1/en
Application granted granted Critical
Publication of CA2547182C publication Critical patent/CA2547182C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/18—Air-humidification, e.g. cooling by humidification by injection of steam into the air
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/34—Automatic humidity regulation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/65—Vaporizers

Abstract

The invention concerns a process and a device for generating a current of humid air having a defined relative humidity especially for the mixing treatment of a liquid on a liquid carrier (42). The process comprises the following steps:
- generating a current of air in a tubing arrangement (8), - generating hot water vapour in an evaporator (10), - introducing the water vapour into the air current to generate flowing hot humid air, - passing the hot humid air through a water separator (20) while lowering the temperature of the humid air, - heating the humid air coming from the water separator (20) to a certain temperature to lower the relative humidity to a defined value in a collecting chamber (30) and - discharging the humid air from the tubing arrangement (8) as a current of humid air.

Claims (17)

1. Process for generating a current of humid air having a defined relative humidity especially for the mixing treatment of a liquid containing in particular water on a liquid carrier (42) comprising the steps:
- generating a current of air in a tubing arrangement (8), - generating hot water vapour, - introducing the water vapour into the air current to generate flowing hot humid air, - passing the hot humid air through a water separator (20) while lowering the temperature of the humid air, - heating the humid air coming from the water separator (20) to a certain temperature to lower the relative humidity to a defined value and - discharging the humid air from the tubing arrangement (8) as a current of humid air.
2. Process according to claim 1, wherein superheated water vapour is introduced into the air current in the step of introducing water vapour into the air current.
3. Process according to one of the claims 1 to 2, wherein the hot humid air in the water separator (20) is cooled below the dew point temperature in order to generate saturated humid air having a defined temperature.
4. Process according to claim 3, wherein the humid air, after passing the water separator (20), is heated above the defined temperature to such an extent that it has a relative humidity of more than 80 %, preferably of more than 90 % when it is discharged from the tubing arrangement.
5. Process according to one of the previous claims, wherein the current of humid air is directed as a jet onto a liquid on a liquid carrier (42) in order to subject this liquid to a mixing treatment by impacting it with a jet of humid air.
6. Process according to claim 5, wherein the jet of humid air (52) and/or the liquid carrier (42) is deflected or moved while the liquid is impacted such that the jet of humid air (52) sweeps over at least certain areas of the liquid carrier in a scanning manner.
7. Process according to one of the claims 5 to 6, wherein the liquid carrier (42) is a biochip with immobilized reactants on the bottom of the liquid carrier and wherein the liquid contains analytes which can bind to reactants on the bottom of the liquid carrier.
8. Device for generating a current of humid air comprising - a source of compressed air (2) to generate an air current in a tubing arrangement (8), - a source of steam (10, 12, 14) for providing hot water vapour, - a mixer (18) for introducing the water vapour into air current, - a water separator (20) to cool the humid air coming from the mixer (18) and - a device for releasing humid air (30, 32) for discharging the humid air where the device for releasing humid air (30, 32) has a tube area (30) downstream of the water separator (20) and said tube area (30) has temperature adjusting means (34) to heat the humid air in this tube area (30).
9. Device according to claim 8, wherein the source of compressed air (2) comprises a compressor for generating compressed air from the ambient air and for passing the compressed air into the tubing arrangement (8).
10. Device according to one of the claims 8 to 9, wherein the vapour source comprises an evaporator (10) with at least one tube coil and a heating device for the tube coil as well as a water supply device (12, 14) for supplying water to the evaporator (10).
11. Device according to claim 10, wherein the water supply device comprises a water reservoir (14) and a metering pump (12) that conveys liquid water from the water reservoir (14) to the evaporator (10).
12. Device according to one of the claims 8 to 11, wherein the mixer (18) comprises at least one jet (16) projecting into the path of the air current to blow water vapour into the air current.
13. Device according to one of the claims 8 to 12, wherein the water separator (20) comprises a water condenser that can be thermostated which has a drain for the condensed water.
14. Device according to one of the claims 8 to 13, wherein a thermoelectric heat pump (22) is allocated to the water separator (20) for temperature control.
15. Device according to one of the claims 8 to 14, wherein it comprises means (2, 54, 56) for adjusting the pressure of the humid air in the discharge device for humid air (30, 32).
16. Device according to one of the claims 8 to 15, wherein the pressure of the humid air in the tube area (30) can be adjusted by a pressure control device which comprises at least one pressure sensor (54) for registering the pressure in the tube area (30) and adjusting means (2, 56) for influencing the supply of compressed air from the compressed air source (2) in accordance with the deviation of the actual pressure from the target pressure in the tube area (30).
17. Device according to one of the claims 8 to 16, wherein the tube area comprises a collecting chamber for humid air (30) which is provided with or connected to at least one outlet jet for humid air (32).
CA2547182A 2005-07-21 2006-05-16 Process and device for producing a current of humid air having a defined relative humidity Expired - Fee Related CA2547182C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005034175.6 2005-07-21
DE102005034175A DE102005034175A1 (en) 2005-07-21 2005-07-21 Method and device for generating a moist air flow with defined relative humidity

Publications (2)

Publication Number Publication Date
CA2547182A1 true CA2547182A1 (en) 2007-01-21
CA2547182C CA2547182C (en) 2012-11-27

Family

ID=37188775

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2547182A Expired - Fee Related CA2547182C (en) 2005-07-21 2006-05-16 Process and device for producing a current of humid air having a defined relative humidity

Country Status (5)

Country Link
US (2) US7685829B2 (en)
EP (1) EP1746357B1 (en)
JP (1) JP5243702B2 (en)
CA (1) CA2547182C (en)
DE (1) DE102005034175A1 (en)

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JP5942516B2 (en) 2011-06-11 2016-06-29 ブラザー工業株式会社 Display processing apparatus, display processing method, and computer program
US20130291580A1 (en) * 2012-05-03 2013-11-07 Barbara Ruhland-Lindner Motor vehicle
EP2770047B1 (en) * 2013-02-26 2015-04-22 ibidi GmbH Device for providing a gas
JP6438364B2 (en) * 2015-08-17 2018-12-12 浜松ホトニクス株式会社 measuring device
US10086182B2 (en) * 2016-06-09 2018-10-02 Basil C. Ogbu Steam therapy equipment for good health and wellness
KR101799703B1 (en) 2016-12-09 2017-11-20 전북대학교산학협력단 Humidity control device for laboratory chambers
WO2018165789A1 (en) * 2017-03-12 2018-09-20 深圳市上羽科技有限公司 Humidifier capable of reusing condensed water and used especially for cassette-type air conditioner
CN112105878B (en) * 2018-05-07 2022-02-22 大金工业株式会社 Humidifier and air composition adjusting device
JP6742046B1 (en) * 2020-03-13 2020-08-19 株式会社空間除菌 Spraying device

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Also Published As

Publication number Publication date
JP2007051863A (en) 2007-03-01
EP1746357A1 (en) 2007-01-24
US7685829B2 (en) 2010-03-30
EP1746357B1 (en) 2013-09-25
US20100140818A1 (en) 2010-06-10
US7909915B2 (en) 2011-03-22
US20070018344A1 (en) 2007-01-25
CA2547182C (en) 2012-11-27
JP5243702B2 (en) 2013-07-24
DE102005034175A1 (en) 2007-01-25

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Effective date: 20180516