WO2011003601A1 - Tube de chauffage et/ou d'évaporation, dispositif de production d'eau potable et dispositif pour chauffer un fluide - Google Patents

Tube de chauffage et/ou d'évaporation, dispositif de production d'eau potable et dispositif pour chauffer un fluide Download PDF

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Publication number
WO2011003601A1
WO2011003601A1 PCT/EP2010/004132 EP2010004132W WO2011003601A1 WO 2011003601 A1 WO2011003601 A1 WO 2011003601A1 EP 2010004132 W EP2010004132 W EP 2010004132W WO 2011003601 A1 WO2011003601 A1 WO 2011003601A1
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WO
WIPO (PCT)
Prior art keywords
tube
evaporation
pipe
heating
wall portion
Prior art date
Application number
PCT/EP2010/004132
Other languages
German (de)
English (en)
Inventor
Martin Niedermaier
Original Assignee
Martin Niedermaier
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 Martin Niedermaier filed Critical Martin Niedermaier
Publication of WO2011003601A1 publication Critical patent/WO2011003601A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/0011—Heating features
    • B01D1/0029—Use of radiation
    • B01D1/0035—Solar energy
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/30—Solar heat collectors using working fluids with means for exchanging heat between two or more working fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
    • F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
    • F24S10/95—Solar heat collectors using working fluids using internal thermosiphonic circulation having evaporator sections and condenser sections, e.g. heat pipes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/138—Water desalination using renewable energy
    • Y02A20/142—Solar thermal; Photovoltaics
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/211—Solar-powered water purification
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

Definitions

  • the present invention relates to a tube which is designed for solar fluid heating and / or evaporation and has an elongated tubular body which comprises a plurality of immersion sleeves arranged transversely to the longitudinal extent of the tubular body, which are used to accommodate heat exchangers of solar collectors, in particular of vacuum tube collectors, are formed and project into the tubular body. Furthermore, the invention relates to a device for recovering drinking water from raw water, such. As salt or brackish water or chlorine, and to a device for fluid heating, in particular for use in solar air conditioning, directed.
  • Heating pipes and evaporation pipes of the type mentioned are in solar systems for heating fluid, such as water or other heat transfer fluid, or in devices for recovering drinking water from non-potable raw water, such. Salt and brackish water or chlorine water, used by evaporation by solar energy.
  • the heating or evaporation tubes used have a circular cross-section, wherein the immersion sleeves project into the tubular body in such a way that the longitudinal axes of the immersion sleeves and the longitudinal axes of the tubular body intersect.
  • the solar panels In order to align the solar collectors used in the immersion sleeves to the sun so that a maximum energy absorption is achieved in the sunlight, the solar panels usually have to be inclined to be ordered. As a result, the heat exchangers arranged at the ends of the solar collectors and projecting into the immersion sleeves likewise do not run horizontally but at an angle to the horizontal. In evaporation tubes, which are only partially filled with water, since the space remaining above the water level within the evaporation tube space for receiving the generated water vapor is required, this has the consequence that the heat exchangers of the solar collectors are with their free ends above the water level and thus contribute to the heating and evaporation of the water not or only very slightly.
  • the diameter of the heating pipe In the case of heating pipes which are completely filled with fluid to be heated, on the other hand, the diameter of the heating pipe must be selected to be very large in order to be able to receive the entire heat exchanger within the heating pipe with a circular cross section, which results in a correspondingly large amount of fluid within the heating pipe. Due to this large amount of fluid, it is often not possible to achieve sufficiently high heating of the fluid. If, however, the diameter of the heating tube is chosen correspondingly smaller in order to reduce the amount of fluid flowing within the heating tube, it is not possible to completely accommodate the heat exchangers within the heating tube.
  • the efficiency of the aforementioned evaporation and / or heating pipes is often unsatisfactory. Accordingly, the efficiency of devices for obtaining drinking water from raw water by evaporation is often unsatisfactory, or it must be supplied in addition to the solar energy still energy for heating the water in order to achieve a sufficient efficiency.
  • devices for heating fluid as used for example in solar air conditioners.
  • the object concerning the tube is achieved according to the invention in that the tube is designed as a polygonal tube which comprises an upper and a lower wall section, that in the installed state of the tube the lower wall section on the underside of the immersion sleeves is applied and that adjoins the lower wall portion a channel-shaped wall portion through which a substantially over the entire length of the tube extending, in the installed state of the tube bottom side located free space is formed below the immersion sleeves.
  • a device for the production of drinking water from raw water, such.
  • raw water such.
  • evaporation comprises a raw water supply, an inventively designed evaporation tube for vaporizing the raw water supplied by solar energy, a plurality of in the immersion sleeves of the
  • An inventively designed device for fluid heating comprises a supply unit for the fluid to be heated, a heating tube designed according to the invention for heating the supplied fluid by solar energy, a plurality of solar collectors inserted into the immersion sleeves of the heating tube and a discharge unit for the heated fluid from the heating tube ,
  • no tube with a circular cross-section but a polygonal tube is used as a heating tube or as an evaporation tube, which has a special optimized to increase the efficiency cross-sectional shape.
  • This optimized, polygonal cross-sectional shape ensures that the immersion sleeves and thus the heat exchangers used in the immersion sleeves of the solar collectors are completely or at least almost completely washed by water or heat transfer fluid.
  • the amount of water or the heat transfer fluid can be kept low due to the special cross-sectional shape of the tube, so that a very effective heating of the water or the heat fluid is achieved.
  • the mass of the tube used and of the fluid is thus kept very low according to the invention, which is necessary for efficient solar evaporation or heating.
  • the channel-shaped wall section is achieved that, despite the compact and compressed formation of the tube according to the invention a draining of the fluid and, when using the tube as an evaporation tube, the residues, such as the residual salt or chlorine, can be flushed out of the pipe.
  • an inventively designed device for the production of drinking water for example, from 100% raw water at least 95% germ-free and poison-free drinking water are generated.
  • about 3 to 10 liters of drinking water per hour can be generated without the system having to be supplied with energy that goes beyond the solar energy.
  • the optimized cross-sectional shape of the heating tube or evaporation tube this can be adapted to any size system, without the amount of water per meter running pipe must be increased. Due to the optimized cross-sectional shape, the direct heat transfer surface of the immersion sleeves can be optimally utilized, with the entire insulated tubular body being additionally integrated into the heat transfer.
  • a heat transfer fluid can be heated very efficiently to temperatures above 100 ° C., so that the operation of solar air conditioning systems with very high efficiency is possible.
  • the upper and lower wall sections are substantially parallel to each other. Since the solar collectors and also provided at the ends of the solar collectors heat exchanger usually have a circular cross-section and thus parallel outer walls, is achieved by the parallel arrangement of the upper and lower wall portion of the tube according to the invention that this at the upper or lower outside of the Thus, no space for fluid is provided in the area of the upper and lower wall sections above or below the immersion sleeves, so that the fluid is arranged in a concentrated manner between the individual immersion sleeves and at the same time essentially with the complete surface the immersion sleeves in contact.
  • the channel-shaped wall section comprises one or more areas which extend transversely or obliquely to the lower wall section.
  • the channel-shaped wall section can also have a curved shape, for example a U-shaped cross section.
  • the channel-shaped wall section connects to the end of the lower wall section towards the solar collectors.
  • a substantially extending over the entire length of the tube evaporation chamber is arranged by a subsequent to the upper wall portion collector side further wall portion and by a subsequent to the lower wall portion Collector distant further wall section is limited.
  • the further wall sections may be arranged obliquely or transversely to the upper and lower wall sections.
  • the immersion sleeves remain fully constantly or substantially completely disposed within the fluid, so that the efficiency of the tube during evaporation is always consistently high.
  • the inventive design of the tube as a polygonal tube thus takes place a decoupling of evaporation space and fluid leading portion of the tube, so that both areas can be optimized independently of each other for their respective task.
  • the upper and / or the lower and / or the further wall sections have a flat surface.
  • the wall sections forming the fluid-conducting regions and the evaporation chamber can be formed optimally adapted to their tasks.
  • the immersion sleeves each extend substantially to the collector remote further wall portion and are in particular with their free ends on this. This ensures that, in particular in the case of an evaporation tube, the amount of water to be evaporated is heated by the solar collectors used in the immersion sleeves with maximum efficiency.
  • the evaporation space is bordered by an upper wall section connecting the further wall sections in the installed state of the pipe upwards.
  • Steam can be achieved, for example, through openings in the upper wall section or through corresponding end openings at one or both ends of the tube.
  • the size of the evaporation space can thus be achieved by a simple extension of the two further wall sections, which are used as the upper boundary of the evaporation zone. space are connected to each other via the upper wall portion, without the area containing the immersion sleeves and the fluid-carrying region of the tube would be affected.
  • According to a further advantageous embodiment of the invention is in the region of the end face of the immersion sleeves between an extension of the upper wall portion, the collector remote further wall portion and an extension of the lower wall portion extending substantially over the entire length of the tube transport cavities for the fluid to be heated educated.
  • This transport space is particularly relevant in the formation of the tube as a heating tube to allow the transport of the fluid to be heated by the heating tube and at the same time to ensure that the immersion sleeves with the heat exchangers of the solar collectors are still completely within the fluid to be heated.
  • a preheating unit for preheating the raw water may advantageously be arranged between the raw water supply and the evaporation tube, a preheating unit for preheating the raw water.
  • the preheating unit can be operated by means of additionally supplied energy. It is advantageous, however, that the preheating unit is operated by means of recirculated heat obtained within the device.
  • the evaporation tube can be connected to the condenser via a preheating tube, and the preheating tube can be passed through the preheating unit for preheating the raw water.
  • the hot steam generated within the evaporation tube is thus passed through within the preheating tube through the raw water to be heated, whereby a preheating of the raw water takes place. In this way does not need to be introduced into the plant for preheating the raw water, no additional energy. If necessary, the energy of the preheating tube can also be used to heat liquids such as water or for heating or cooling.
  • FIG. 1 is a front view of an inventive device for recovering drinking water from raw water
  • FIG. 2 is a plan view of the device of FIG. 1,
  • FIG. 4 is a perspective view of an evaporation tube according to the invention, as used in the device according to FIGS. 1 to 3, FIG.
  • FIG. 5 is a detail view of the evaporation tube of FIG. 4,
  • Fig. 6 shows a cross section through the evaporation tube after
  • FIG. 4 shows a cross section through a modified embodiment of an evaporation tube according to the invention
  • FIG. 8 shows a cross section through a heating tube designed according to the invention
  • FIG. 9 is a side view of the heating tube according to FIG. 8 and FIG. 10 is a plan view of the heating tube according to FIG. 8.
  • 1, 2 and 3 show an apparatus for recovering drinking water from raw water by evaporation with a raw water tank 1 shown schematically, in which the raw water is contained, which is connected via a raw water supply 2 with a water inlet 3 of a preheating unit 4.
  • the preheating unit 4 extends substantially over the entire length of the device and has at its end opposite the water inlet 3 a water outlet 5, which is connected via a connecting line 6 with a float valve 7.
  • the output of the float valve 7 is connected to an inlet 8 of an evaporation tube 9 designed according to the invention, which extends parallel to the preheating unit 4 over the entire length of the device.
  • an outlet 10 is provided, which is connected via a U-shaped connecting tube 11 with a steam inlet 12 of the preheating unit 4.
  • the steam inlet 12 is connected via a arranged within the preheating unit 4 preheating tube 13 with a arranged on the opposite side of the preheating unit 4 Dampfau slass 14 connected. wherein the preheating tube 13 is inclined sloping from the steam inlet 12 to the steam outlet 14.
  • the steam outlet 14 of the preheating unit 4 is connected via a connecting pipe 15 to a conventional condenser 16, in which the water vapor supplied to the condenser 16 is condensed to produce drinking water.
  • the raw water to be evaporated is heated within the preheating unit 4 by the hot steam flowing through the preheating pipe 13, since the preheating pipe 13 is passed through the raw water within the preheating unit 4.
  • the raw water supplied via the water inlet 3 of the preheating unit 4 is already increased in temperature as it exits the water outlet 5.
  • the preheated raw water is supplied to the inventively designed evaporation tube 9, being ensured by the float valve 7 that the water level in the evaporation tube 9 is kept constant.
  • the evaporation within the evaporation tube 9 takes place by means of solar collectors 17 received solar energy, which is transmitted via arranged in the interior of the solar collectors 17 heat pipes 18 to end heat exchanger 19, which arranged in the evaporation tube 9 immersion sleeves 20 (see FIGS. 2 and 4 to 6 ) are used.
  • the immersion sleeves 20 extend at regular intervals over the entire length of the evaporation tube 9 in each case substantially perpendicular to its longitudinal extent.
  • the evaporation tube 9 has a tubular body 47 with a wall structure comprising a plurality of successive wall sections, wherein an upper wall section 21 and a lower wall section 22 are provided which run essentially parallel to one another, the upper wall section 21 on the respective upper side 23 of FIGS Submersible sleeves 20 and the lower wall portion 22 abut the respective bottom 24 of the immersion sleeves 20.
  • Adjoining the upper wall section 21 is a collector-side further wall section 25, which runs obliquely to the upper wall section 21 and extends substantially vertically upward in the installed state of the evaporation pipe 9.
  • a further wall section 26 remote from the collector joins the lower wall section 22, which together with the collector-side further wall section 25 and an upper wall section 27 connecting the two further wall sections 25, 26 delimit an evaporation space 28 of the evaporation tube 9.
  • the inlet 8 and the outlet 10 may be formed in the upper wall portion 27. However, it is also possible for the inlet 8 and the outlet 10 to be formed in the walls 29 delimiting the evaporation tube 9 at the end, as indicated in FIG. 4 and illustrated in FIGS. 1 to 3.
  • a channel-shaped wall section 30 adjoins, which is offset from Celt regions 30 ', 30 "and 30'" consists and through which a arranged below the dip tubes 20 bottom-side space 31 is formed, which extends over the entire length of the evaporation tube 9.
  • the immersion sleeves 20 can each extend with their free ends as far as the collector-remote further wall section 26 and abut against it, as indicated by a dashed line 32.
  • the immersion sleeves 20 may have up to their free ends a circular cross-section, so that the voltage applied to the collector remote further wall portion 26 inclined cross-section of the immersion sleeves 20 has an oval cross-sectional shape.
  • the upper side of the immersion sleeves 20 it is also possible for the upper side of the immersion sleeves 20 to beveled in the region of their free end, as indicated by a dashed line 33 and to be seen in greater detail from FIGS. 5 and 6.
  • the free ends of the immersion sleeves 20 are cut at right angles, so that the free ends of the immersion sleeves 20 are arranged according to a dashed line 34 spaced from the collector remote further wall portion 26, as indicated in Fig. 6.
  • FIG. 6 by way of example, possible water levels 35 with appropriate filling of the evaporation tube 9 with water are shown. posed. While the entire region of the evaporation tube 9 including the free space 31 located below the water level 35 is filled with water, the evaporation space 28 arranged above the water level 35 is free of water. As can be seen from FIG. 6, even with this small amount of water, the immersion sleeves 20 and thus also the heat exchangers 19 of the solar collectors 17 inserted in the immersion sleeves 20 are arranged essentially completely inside the water, so that virtually the completely absorbed solar energy is applied to the solar energy collector 17 Water can be discharged. It should be noted that also the area 45 between two adjacent immersion sleeves 18 is completely filled with water.
  • the special cross-sectional shape of the evaporation tube 9 ensures that the evaporation space 28 located above the water level 35 is free of water, so that in particular the outlet 10 of the evaporation tube 9 is free of water, even if, for example, the evaporation tube 9 is filled with water low "skew" is mounted. If the size of the plant is to be extended by lengthening the evaporation tube 9 and a corresponding higher number of solar collectors 17, then only the evaporation space 28 must be increased, for example, by extending the two further wall sections 25, 26 upwards. However, this has no influence on the lower portion of the evaporation tube 9, so that the optimum amount of water per running meter can be maintained unchanged.
  • the trough-shaped free space 31 can serve as a flushing channel for draining off the brine (brine, chlorlake or other residual material) resulting from the evaporation. This can be done at one or both ends the evaporation tube 9 may be provided in the region of the channel-shaped wall section 30 drain valves, through which the brine can be discharged.
  • the upper part 36 of the device can be designed to be pivotable relative to the lower part 37 via a hinge 38, thereby facilitating the discharge of the brine present in the free space 31.
  • the tilting of the upper part 36 can take place, for example, via a tilting mechanism 39, in particular manually, for example with a hand crank 40.
  • the lower part 37 of the device with wheels 41 can be designed to be mobile, so that the entire device can be transported.
  • a modification of the evaporation tube 9 shown in FIG. 7 may be used.
  • the modified evaporation tube 9 'differs from the evaporation tube 9 in that the upper wall section 21 does not bear against the upper side 23 of the immersion sleeves 20, but extends vertically upwards.
  • the obliquely extending further wall portion 25 connects.
  • the evaporation space 28 is enlarged in the horizontal direction, whereby a larger evaporation surface of the water level 35 is achieved.
  • the upper wall section 21 can also be formed obliquely and the further wall section 25 can extend horizontally or vertically.
  • FIGS. 7 to 9 Similar or identical elements, as they have already been described in FIGS. 1 to 6, are provided in FIGS. 7 to 9 with the same reference numerals.
  • the heating tube 42 differs from the evaporation tube 9 essentially by the absence of the evaporation space 28 and by the fact that in the region of the front ends of the immersion sleeves 20 between an extension 21 'of the upper wall portion 21st in that the further away from the collector wall portion 26 and an extension 22 'of the lower wall portion 22 is a substantially over the entire length of the heating tube 42 extending transport space 43 for the guided from a front end of the heating tube 42 to its opposite end to be heated fluid is formed.
  • an inlet 8 can again be provided at an end face of the heating tube 42, while at the opposite end there is again an outlet, not shown.
  • the immersion sleeves 20 are practically completely within the fluid 46 to be heated, so that an optimum efficiency for the heat transfer from the solar collectors 17 via the heat exchangers 19 and the immersion sleeves 20 to the fluid 46 to be heated is ensured.
  • the amount of fluid to be heated 46 is significantly reduced by the special cross-sectional shape of the heating tube 42 compared to conventional heating tubes, whereby an increased efficiency is achieved.
  • the heating tube 42 also comprises a free space 31, formed by a channel-shaped wall section 30, below the immersion sleeves 20, which for example, serves as a drainage channel for the heat transfer fluid during maintenance. This can be drained, for example, via a drain valve provided on the drain valve 44.
  • collector-side further wall portion 26 collector farer further wall section 27 upper wall section

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

L'invention concerne un tube qui est conçu pour le chauffage et/ou L'évaporation d'un fluide par l'énergie solaire. Le tube possède un corps tubulaire allongé qui comprend une pluralité de doigts de gants disposés perpendiculairement au sens longitudinal du corps tubulaire. Les doigts de gants sont conçus pour loger des échangeurs de chaleur de collecteurs solaires, notamment de capteurs à tubes sous vide, et pénètrent dans le corps tubulaire. Le tube est conçu comme un tube polygonal comportant une section de paroi supérieure et une section de paroi inférieure. Lorsque le tube à l'état monté, la section paroi inférieure est en contact avec la face inférieure des doigts de gants. La section paroi inférieure se prolonge par une section paroi annulaire qui permet de former, sous les doigts de gants, un espace libre qui s'étend sensiblement sur toute la longueur du tube et qui, lorsque le tube est à l'état monté, se trouve côté fond. L'invention concerne également un dispositif pour produire de l'eau potable, par exemple, à partir d'eau salée ou d'eau saumâtre, par évaporation à l'aide d'un tel tube, ainsi qu'un dispositif doté d'un tel tube et destiné à chauffer un fluide.
PCT/EP2010/004132 2009-07-09 2010-07-07 Tube de chauffage et/ou d'évaporation, dispositif de production d'eau potable et dispositif pour chauffer un fluide WO2011003601A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009032482A DE102009032482A1 (de) 2009-07-09 2009-07-09 Heiz- und/oder Verdampfungsrohr, Vorrichtung zur Gewinnung von Trinkwasser und Vorrichtung zur Fluidaufheizung
DE102009032482.8 2009-07-09

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Publication Number Publication Date
WO2011003601A1 true WO2011003601A1 (fr) 2011-01-13

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PCT/EP2010/004132 WO2011003601A1 (fr) 2009-07-09 2010-07-07 Tube de chauffage et/ou d'évaporation, dispositif de production d'eau potable et dispositif pour chauffer un fluide

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WO (1) WO2011003601A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102745758A (zh) * 2012-06-27 2012-10-24 南京波腾科技工程有限公司 海水淡化器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9400961U1 (de) * 1993-02-08 1994-04-28 Advance Energy Technology, Bangor Solarkollektor mit konischem Kondensator
WO2008134999A1 (fr) * 2007-05-03 2008-11-13 TÜRK GMBH UND Dr. BERND HÖFLER GBR Installation et procédé de purification d'eau à l'aide d'un collecteur solaire

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9400961U1 (de) * 1993-02-08 1994-04-28 Advance Energy Technology, Bangor Solarkollektor mit konischem Kondensator
WO2008134999A1 (fr) * 2007-05-03 2008-11-13 TÜRK GMBH UND Dr. BERND HÖFLER GBR Installation et procédé de purification d'eau à l'aide d'un collecteur solaire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102745758A (zh) * 2012-06-27 2012-10-24 南京波腾科技工程有限公司 海水淡化器

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