US20190323715A1 - Ventilation module for an aero-refrigeration tower including a free wheel for drawing in outside air and for outputting air - Google Patents

Ventilation module for an aero-refrigeration tower including a free wheel for drawing in outside air and for outputting air Download PDF

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Publication number
US20190323715A1
US20190323715A1 US16/308,084 US201716308084A US2019323715A1 US 20190323715 A1 US20190323715 A1 US 20190323715A1 US 201716308084 A US201716308084 A US 201716308084A US 2019323715 A1 US2019323715 A1 US 2019323715A1
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US
United States
Prior art keywords
air
freewheel
passage
unit
cooling tower
Prior art date
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Abandoned
Application number
US16/308,084
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English (en)
Inventor
François-Xavier Boutry
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.)
BS GESTION CONSEIL
Be Gestion Conseil
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Be Gestion Conseil
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Filing date
Publication date
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Assigned to BS GESTION CONSEIL reassignment BS GESTION CONSEIL ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BOUTRY, FRANCOIS-XAVIER
Publication of US20190323715A1 publication Critical patent/US20190323715A1/en
Abandoned legal-status Critical Current

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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
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/10—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with air supply, or exhaust, through perforated wall, floor or ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F04D29/4246—Fan casings comprising more than one outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022—Centrifugal or radial fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F2012/008—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air cyclic routing supply and exhaust air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1008—Rotary wheel comprising a by-pass channel
    • 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
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/54—Free-cooling systems
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56—Heat recovery units

Definitions

  • the invention relates to a ventilation unit intended for an air-cooling tower, the ventilation unit comprises in particular a freewheel for drawing outside air and for discharging air in the upper portion of the ventilation unit.
  • This invention also relates to an air-cooling tower provided with such a ventilation unit associated with a mixed unit and a dry unit for the passage of the air.
  • the term freewheel refers to a fan-motor assembly fixed onto a plate. This fan-motor assembly can be housed in a casing which is most often rectangular.
  • the freewheel draws the air from a side referred to as the upstream side, pressurises the air and discharges it onto a side referred to as the downstream side to the units. Therefore according to prior art space must be provided on two opposite sides of the freewheel for respectively one or several drawing passages of outside air and one or several discharge passages.
  • An object of this invention is therefore to propose a ventilation unit with a drawing and a discharging of air that is more effective and less cumbersome with, where applicable, a freewheel that is more effectively protected for external stresses than in prior art.
  • Another object of this invention is to propose a ventilation unit and an air-cooling tower with optimised internal air circulation, and an orientation of the internal air flows.
  • this invention relates to a ventilation unit intended for an air-cooling tower, the ventilation unit comprising a freewheel for drawing outside air and for discharging air in the upper portion of the ventilation unit, characterised in that the freewheel has two faces, a so-called rear face and a so-called front face, said freewheel draws the outside air according to the direction of the axis of rotation of said freewheel and discharges radially to the axis of rotation of said freewheel, with the ventilation unit being passed through by at least one drawing passage of outside air and by at least one air discharge passage, said at least one air discharge passage being configured to direct the flow of air to the front of the plane formed by the front face, opposite the rear face.
  • the outside air passes through in a first step the drawing passage wherein the air is at a first pressure. Downstream of the freewheel, on the contrary, the flow of air is at a second pressure that is higher than the first. The air is therefore conveyed under pressure to the rest of the installation.
  • Such a freewheel in a ventilation unit allows for a drawing and a discharging on the same side of the freewheel, which allows for a supply and a removal of the air extending substantially in parallel and saves space in the ventilation unit.
  • the freewheel puts the drawn air under pressure which is then removed to a mixed unit of the air-cooling tower by the discharge passage or passages.
  • the wet device is a unitary set, the invention combats this bias and procures a mixed operation to a stage, referred to as mixed unit, of which only a portion is dedicated to the wet function device.
  • the discharging and the drawing are carried out in different directions and there is no interference with the discharging and the drawing flows, with the freewheel drawing the outside air according to the direction of the axis of rotation of said freewheel and discharging the air in the same axis, and optionally as a by-pass radially to the axis of rotation of said freewheel.
  • the invention also relates to an air-cooling tower comprising a mixed unit and a dry unit, with the dry unit being superimposed on the mixed unit, characterised in that it comprises such a ventilation unit, with the mixed unit being superimposed on the ventilation unit.
  • such a tower allows for better guiding of the air of the ventilation unit to the mixed unit, with the mixed unit able to comprise two separate enclosures of which one for the humidification of the air and the other allowing for the passage of a flow of discharged air while still retaining it as is.
  • the invention also relates to a method for drawing and for discharging air in a ventilation unit of such an air-cooling tower, wherein the drawing and the discharging of the air are carried out on the same side of the freewheel being separated from one another, with the pressure of the outside air being increased during the drawing by a lateral air inlet in the drawing passage.
  • the pressurising is carried out in a drawing passage through the lateral intake of additional air in addition to the air penetrating through a mouth of the drawing passage, with this additional air passing under a discharge passage.
  • FIG. 1 diagrammatically shows a perspective view of an embodiment of an air-cooling tower according to this invention with in particular a ventilation unit,
  • FIG. 2 diagrammatically shows a top view in perspective of an embodiment of a ventilation unit that is part of an air-cooling tower according to this invention
  • FIG. 3 diagrammatically shows a perspective view of an embodiment of an air-cooling tower according to this invention, with the air-cooling tower operating according to a dry mode,
  • FIG. 4 diagrammatically shows a top view in perspective of an embodiment of a ventilation unit that is part of an air-cooling tower according to this invention, with the air-cooling tower operating in dry mode,
  • FIG. 5 diagrammatically shows a perspective view of an embodiment of an air-cooling tower according to this invention, with the air-cooling tower operating according to a wet mode,
  • FIG. 6 diagrammatically shows a top view in perspective of an embodiment of a ventilation unit that is part of an air-cooling tower according to this invention, the air-cooling tower operating in a wet mode,
  • FIGS. 7 and 8 diagrammatically show a perspective view from two different viewing angles of an embodiment of a ventilation unit according to this invention provided with two compartments for freewheel.
  • the front of the plane formed by the front face of said freewheel means the space between the opening of the drawing passages and the plane formed by the front face of said freewheel.
  • this invention relates to a ventilation unit 4 intended for an air-cooling tower 1 .
  • Such an air-cooling tower 1 comprises a ventilation unit 4 , a mixed unit 3 and a dry unit 2 .
  • the mixed unit 3 is superimposed on the ventilation unit 4 and the dry unit 2 is superimposed on the mixed unit 3 by forming a vertical tower. This is valid for a vertical air-cooling tower 1 but the units 2 to 4 can also be adjacent to one another, with the air-cooling tower 1 then extending horizontally.
  • the dry unit 2 can comprise a dry battery 14 .
  • This dry battery 14 can be a battery with vanes that substantially takes the dimensions of at least one humidification device integrated into the mixed unit 3 .
  • FIGS. 3 and 5 several arrows can be seen with respect to the air flows.
  • the arrow F 1 symbolises the flow of outside air drawn in the ventilation unit 4 .
  • the arrow F 2 symbolises the flow of air discharged by the freewheel 10 rotating according to the arrow Fr.
  • the arrow F 3 indicates the flow of air that has left the ventilation unit 4 via said at least one discharge passage referenced as 12 in FIG. 2 and passing through said at least one humidification device 5 of the mixed unit 3 .
  • the arrow F 4 indicates the flow of air in the passage as a by-pass 6 of the air having left the ventilation unit and not passing through said at least one humidification device 5 .
  • the arrow F 5 indicates the flow of air passing from the mixed unit 3 to the dry unit 2 , with this air able to be the flow of air passing through said at least one humidification device 5 .
  • the arrow F 6 indicates the first flow of air having been conducted by the passage as a by-pass 6 of said at least one humidification device andêt in the dry unit 2 and the arrow F 7 indicates the second flow of air having been conducted by the passage as a by-pass 6 of said at least one humidification device and passing in the dry unit 2 , with the latter introduced between the mixed unit 3 and the dry unit 2 so that the air as a by-pass is distributed over the largest surface possible of the dry battery of the dry unit 2 , with this arrow F 7 being shown only in FIG. 3 for a dry operating mode of the air-cooling tower 1 .
  • Said at least one humidification device integrated into the mixed unit 3 can successively comprise successively superimposed on the dry unit 2 a sprayed battery 15 , a spraying device 16 and a drop separator 17 .
  • the ventilation unit 4 can comprise a freewheel 10 for drawing outside air and for discharging air in the upper portion of the ventilation unit 4 , upper portion which is adjacent to the mixed unit 3 .
  • the freewheel 10 draws the outside air according to the direction of the axis of rotation of said freewheel 10 and discharges the air radially to the axis of rotation of said freewheel 10 .
  • the ventilation unit 4 is passed through by at least one air discharge passage 12 , said at least one air discharge passage 12 being configured to direct the flow of air according to at least one direction other than the direction of the axis of rotation of said freewheel 10 .
  • FIG. 2 Said at least one drawing passage 11 , in FIG. 2 two drawing passages, opens onto a freewheel 10 . There is advantageously one freewheel 10 for each drawing passage 11 .
  • At least two air drawing passages 11 can be provided.
  • at least one discharge passage 12 can be inserted between the two air drawing passages 11 , with the circulation of air taking place in the opposite direction in a discharge passage 12 with respect to the circulation of the air in an air drawing passage 11 .
  • At least three discharge passages 12 can be provided, with two discharge passages 12 inserting an air drawing passage 11 between them.
  • the discharging passage or passages 12 are to be directed to the mixed unit 3 which is located above the ventilation unit 4 .
  • the discharge passage or passages 12 can have a bottom with at least a portion of the bottom in the form of a slope 18 directed towards the top of the unit 4 in order to direct the discharge air towards an upper portion of the ventilation unit 4 .
  • the substantially horizontal portion of the bottom is close to the freewheel 10 , with the slope 18 succeeding to this portion and terminating it towards an upper face of the ventilation unit 4 intended to be adjacent to the mixed unit 3 .
  • the ventilation unit 4 can be passed through by at least one drawing passage 11 of outside air and by at least one air discharge passage 12 . Said at least one drawing and discharging passage 11 then extends substantially in parallel to one another by being partitioned with respect to one another.
  • the presence of the slope 18 clears a portion of the lateral side of the or of each drawing passage 11 . It is possible to provide this portion of the lateral side of the drawing passage 11 with at least one grid 19 arranged under the slope 18 of the associated discharge passage 12 .
  • outside air symbolised by the arrow F 1 a showing a lateral drawn flow penetrates under the slope 18 and could not join the freewheel 10 as it is enclosed under the slope 18 .
  • the presence of at least one grid 19 allows for the reintroducing of this air in an adjacent drawing passage 11 .
  • this passage has a bottom that extends substantially horizontally when the ventilation unit 4 is in vertical position, which is frequently its optimum working position.
  • the or each drawing passage 11 can have two substantially vertical lateral partitions 20 .
  • a roof 21 can close the drawing passage 11 on the upper face of the drawing passage 11 .
  • This roof 21 is advantageously sloped by having two faces inclined towards a respective lateral partition 20 . This allows for the flow of the water that can fall from the mixed unit 3 .
  • the ventilation unit 4 can be a rectangle parallelepiped that has a length and a width.
  • the drawing and discharging passages extend in the width of the ventilation unit 4 .
  • the freewheel or freewheels 10 each correspond to a pair of drawing 11 and discharging 12 passages and are positioned towards a longitudinal edge of the unit. The drawing 11 and discharging 12 passages therefore laterally pass through the ventilation unit 4 , and this by rising for the discharge passage or passages 12 .
  • the freewheel or freewheels can be housed in a specific compartment 22 for each freewheel 10 .
  • Two compartments 22 are particularly visible in FIGS. 7 and 8 .
  • the elements for closing off have been removed and the openings 13 a that the elements for closing off can open or close can be seen.
  • the vertical faces forming the rear face of the ventilation unit 4 of which one is removed in FIG. 7 in order to see the rear face of the freewheel 10 , can advantageously be mobile. Indeed the latter can either be removed or slide relation to the others in order to facilitate access to the freewheel 10 in the event of handling.
  • the compartment 22 of each wheel can have a pierced ceiling and be provided with at least one opening 13 a which can close an element for closing off 13 for at least one passage as a by-pass 6 of said at least one discharge passage 12 .
  • This element for closing off 13 can be a flap or a set of blades of a flap or also a pull bar.
  • the element or elements for closing off 13 the compartment 22 can be adjustable in position in order to open or close the passage as a by-pass 6 .
  • This passage as a by-pass 6 is intended to open into the mixed unit 3 without passing through said at least one humidification device 5 present in the mixed unit 3 in order to bring dry air without humidification to the dry unit 2 .
  • the element or elements for closing off 13 can be adjustable in intermediate positions with complete opening or closing. As such, the flow rate of the flow of air passing as a by-pass of said at least one humidification device 5 can be adjusted.
  • the adjusting can be accomplished by a servo-motor.
  • the ventilation unit 4 can have an inclined water collector basin 23 arranged under the freewheel 10 .
  • This basin 23 can be located under a compartment 22 surrounding the freewheel 10 .
  • the basin 23 can be inclined in order to evacuate the water to the outside of the ventilation unit 4 , this underneath a wall of the compartment 22 .
  • the invention also relates to an air-cooling tower 1 comprising a mixed unit 3 and a dry unit 2 , with the dry unit 2 being superimposed on the mixed unit 3 .
  • the tower comprises a ventilation unit 4 such as described hereinabove, with the mixed unit 3 being superimposed on the ventilation unit 4 .
  • the discharge passage or passages 12 of air terminate in a portion of the mixed unit 3 integrating said at least one humidification device whether active or inactive and the passage or passages for the by-pass penetrate into the mixed unit 3 without passing through said at least one humidification device 5 this opening directly into the dry unit 2 .
  • the mixed unit 3 can as such comprise a first enclosure 7 that has said at least one air humidification device 5 passing though it and a second enclosure 8 with an air circulation without humidification from the ventilation unit 4 to the dry unit 2 .
  • the second enclosure 8 can be found above the compartment 22 housing the freewheel 10 with a pierced ceiling of at least one element for closing off 13 when such a compartment 22 is present in the ventilation unit 4 .
  • the first and second enclosures 7 , 8 are separated by an airtight wall 9 .
  • the invention also relates to a method for drawing and for discharging air in a ventilation unit 4 of such an air-cooling tower 1 , wherein the drawing and the discharging of air is carried out on the same side of the freewheel 10 be being separated from one another.
  • such a freewheel 10 comprises a front surface and a rear surface separated by a tranche.
  • the front surface is used for drawing and the rear surface is used for discharging.
  • it is the same front or rear surface that is used for both drawing and discharging.
  • the front or rear surface that is not used for drawing or for discharging is backed against the inside of a wall of the ventilation unit 4 , which procures a savings in terms of space.
  • the freewheel 10 defines a cylinder
  • the drawing and the discharging are carried out on the same circular face of the cylinder, therefore in the same half-space with respect to the plane of this face.
  • the surface of the intake of the outside air in the drawing passage 11 can be increased during the drawing via a lateral air intake 19 . This is carried out by introducing outside air via the lateral grid 19 that is carried by the drawing passage 11 under a slope 18 with an adjacent discharge passage 12 .
  • air discharged by the ventilation unit 4 can pass through the mixed unit 3 without humidification treatment in order to penetrate into the dry unit 2 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Ventilation (AREA)
  • Air Humidification (AREA)
  • Compressor (AREA)
US16/308,084 2016-06-10 2017-06-09 Ventilation module for an aero-refrigeration tower including a free wheel for drawing in outside air and for outputting air Abandoned US20190323715A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1655374A FR3052543B1 (fr) 2016-06-10 2016-06-10 Module de ventilation pour une tour d'aero-refrigeration integrant une roue libre d'aspiration d'air exterieur et de refoulement d'air
FR1655374 2016-06-10
PCT/EP2017/064187 WO2017212050A1 (fr) 2016-06-10 2017-06-09 Module de ventilation pour une tour d'aéro-réfrigération intégrant une roue libre d'aspiration d'air extérieur et de refoulement d'air

Publications (1)

Publication Number Publication Date
US20190323715A1 true US20190323715A1 (en) 2019-10-24

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Application Number Title Priority Date Filing Date
US16/308,084 Abandoned US20190323715A1 (en) 2016-06-10 2017-06-09 Ventilation module for an aero-refrigeration tower including a free wheel for drawing in outside air and for outputting air

Country Status (8)

Country Link
US (1) US20190323715A1 (fr)
EP (1) EP3469267B1 (fr)
CN (1) CN109564011A (fr)
BR (1) BR112018075633A2 (fr)
CA (1) CA3026753A1 (fr)
FR (1) FR3052543B1 (fr)
MX (1) MX2018015098A (fr)
WO (1) WO2017212050A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117212918A (zh) * 2023-09-08 2023-12-12 上海程泉洁净技术有限公司 差分除湿系统

Citations (10)

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US2072096A (en) * 1932-10-19 1937-03-02 Bahnson Co Cooling tower
US2775310A (en) * 1953-06-01 1956-12-25 Jack F Shelton Cooling tower
US2826397A (en) * 1952-03-27 1958-03-11 Svenska Flaektfabriken Ab Scrubbers
US3437319A (en) * 1968-05-20 1969-04-08 Baltimore Aircoil Co Inc Evaporative heat exchanger with airflow reversal baffle
US3442494A (en) * 1968-02-16 1969-05-06 Baltimore Aircoil Co Inc Evaporative heat exchange apparatus
US3784171A (en) * 1968-02-16 1974-01-08 Baltimore Aircoil Co Inc Evaporative heat exchange apparatus
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EP3469267B1 (fr) 2023-08-09
EP3469267C0 (fr) 2023-08-09
CN109564011A (zh) 2019-04-02
MX2018015098A (es) 2019-07-10
BR112018075633A2 (pt) 2019-04-09
FR3052543A1 (fr) 2017-12-15
EP3469267A1 (fr) 2019-04-17
CA3026753A1 (fr) 2017-12-14
FR3052543B1 (fr) 2020-03-27

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