EP3538829A1 - Enceinte de séchage - Google Patents

Enceinte de séchage

Info

Publication number
EP3538829A1
EP3538829A1 EP17794897.3A EP17794897A EP3538829A1 EP 3538829 A1 EP3538829 A1 EP 3538829A1 EP 17794897 A EP17794897 A EP 17794897A EP 3538829 A1 EP3538829 A1 EP 3538829A1
Authority
EP
European Patent Office
Prior art keywords
air
drying room
drying
units
cooling units
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.)
Withdrawn
Application number
EP17794897.3A
Other languages
German (de)
English (en)
Inventor
Jürgen Hoffmann
Helmut Bauer
Rudolf Simon
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.)
M+w Group GmbH
Original Assignee
M+w Group GmbH
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 M+w Group GmbH filed Critical M+w Group GmbH
Publication of EP3538829A1 publication Critical patent/EP3538829A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
    • 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
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the 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
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • 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
    • F24F3/16—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 purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/167—Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed

Definitions

  • the invention relates to a drying room according to the preamble of claim 1.
  • the invention has the object of providing the generic drying space in such a way that with him a cost and energy-saving operation is possible.
  • autarkic air conveying / cooling units are provided, each consisting of an air conveyor unit and a cooler are formed.
  • the air handling / cooling units can be positioned in the drying room at any desired location required for the treatment. Therefore, it is possible to selectively detect individual areas in the drying room through the air conveying / cooling units.
  • the self-sufficient air conveying / cooling units can be controlled separately and independently of each other, so that different air flows can be set in different areas of the drying room.
  • the air conveying / cooling units are preferably interconnected via a network, such as a LAN.
  • a network enables each individual air conveyor / cooling unit to be controlled independently of the other units. Since each air conveying / cooling unit has its own radiator, only that portion of air that flows through the corresponding air conveying / cooling unit is cooled.
  • the air conveying / cooling units are each provided with at least one filter element.
  • a filter element is preferably used when clean room conditions should be necessary in the drying room.
  • the air conveying / cooling units are provided at the outlet end with at least one diffuser.
  • a turbulent air flow in the drying room can be achieved.
  • the diffuser can give the air flow exiting the air conveyor / cooling unit a certain flow direction.
  • the air handling / cooling units may be suspended from a ceiling of the drying room.
  • the air conveyor / cooling units on a grid ceiling. It is then at a distance below the ceiling of the drying room.
  • the air conveying / cooling units the air is supplied via feed lines in an advantageous manner.
  • the supply lines are advantageously laid so that the air emerging from them is in the intake of the air conveyor / cooling units. This makes it possible to suck most of the air emerging from the supply lines and supply the air conveying / cooling units.
  • the supply lines may be feed tubes which are provided with corresponding air outlet openings.
  • the supply lines are located in the area above the air conveying / cooling units, so that the escaping air can reliably reach the air conveying / cooling units.
  • the supply lines are advantageously conductively connected to at least one dehumidifier. With it, the air entering the supply lines is dehumidified to the extent necessary for the conditions in the drying room.
  • the dehumidifying device is advantageously outside the drying room and is connected by at least one line to a side wall of the drying room.
  • the dehumidifier is therefore easily accessible, for example, for assembly or maintenance.
  • the dehumidifier is connected via at least one return line in an advantageous manner to a side wall of the drying room. Part of the dry air in the drying room can flow to the dehumidifier via this return line. This makes it possible to guide the air in the drying room, which is loaded with moisture over time, via the return line to the dehumidifier and to dehumidify it there again. From the dehumidifier, the dehumidified air can then be returned to the drying room.
  • the drying room it is possible to provide at least one return air duct in which there is at least one fan. With it it is possible to suck the dry air out of the drying room and feed it back to the air conveying / cooling units. With the help of the return air channel, a cycle of the dry air can be achieved in this way.
  • the return air duct is limited in a structurally simple manner by a side wall of the drying room and a partition arranged at a distance to her.
  • the return air duct is advantageously open upwards to the interior of the drying space, so that the return air emerging from the return air duct can be fed directly back to the air conveying / cooling units.
  • the return air duct connects to a plenum, which is formed between the ceiling of the drying room and the grid ceiling, which is located at a distance below the ceiling.
  • the air handling / cooling units can be accommodated.
  • the drying space is formed so that it has at least one return air duct, in which there are at least one fan and at least one downstream cooler.
  • the self-sufficient units need no independent radiator, but have only one fan. With the fans of the individual units, the dry air can therefore be specifically sucked and conveyed into the drying room.
  • FIG. 1 is a schematic representation of a drying space according to the invention in section
  • FIG. 2 is a plan view of the drying space of FIG. 1,
  • FIG. 6 in representations corresponding to FIG. 1 further embodiments of drying spaces according to the invention.
  • drying spaces described below are used in particular in the production of lithium-ion cells. But they can also be used advantageously for example in the pharmaceutical industry or in the food industry.
  • the drying room according to FIGS. 1 and 2 has a bottom 1 and a ceiling 2, which is supported on the bottom 1 via vapor diffusion-tight side walls 3.
  • the drying space for example, rectangular outline.
  • the drying space is not limited to this cross-sectional shape.
  • it can have a square outline, a hexagonal outline or, for example, a round outline.
  • air conveyor / cooling units 7 are arranged distributed. They each have an air conveying unit 4, which in the embodiment by a Filter fan unit is formed, and a cooling unit 6. These air conveying / cooling units 7 are provided only where filtered air in the drying room is required.
  • FIG. 1 shows, by way of example, a process device 5, in the working area of which cleaned dry air is required. Accordingly, the air conveying / cooling units 7 are provided so that the purified air emitted by them enters the working area of this process device 5.
  • the air conveying / cooling units 7 are arranged distributed in the drying room so that all process devices are supplied with filtered air.
  • the air conveying / cooling units 7 are not arranged uniformly in a grid, but are advantageously within the drying space only in the areas where the dry air is required.
  • the air conveying / cooling units 7 can be held in the drying space in any suitable manner. So they can be suspended from the ceiling 2 or placed on a grid ceiling (not shown), which is located at a distance below the ceiling 2.
  • the filter-fan unit 4 in a known manner a fan, followed by a filter element at the bottom.
  • the air sucked in by the fan flows through the filter element and then enters the drying room.
  • the filter element is designed according to the requirements of the drying room. If, for example, clean room conditions are provided for the drying room, then a Hepa filter is used as filter element, for example. However, if no clean room conditions are required, even simpler filter elements can be used, which, for example, only capture dirt particles from the air. It is even possible to dispense with a filter element, for example, if it does not depend on the purity of the air and the Example, the process device 5 only a certain dryness and / or cooling temperature is required.
  • a line 10 is connected, via which the air 8 at least one dehumidifier 1 1 is supplied. It is used to dehumidify the moisture-laden dry air supplied via the line 10 before it is returned to the units 7 via an outlet line 12.
  • the design of the dehumidifying device 1 1 is known and will not be described in detail for this reason.
  • transverse lines 13 which form connections for supply lines 14 in the side wall 3. They are, as is apparent from Fig. 1, provided in the area above the units 7.
  • the supply lines 14 advantageously extend parallel to one another to such an extent that the dehumidified air emerging from the supply lines 14 reaches the intake area of the fans of the units 7.
  • the supply lines 14 are provided over their length with outlet openings 15, through which the air 8 passes into the drying room. Since this air is sucked in by the fans of the air-conveying / cooling units 7, it is sufficient if the outlet openings 5 are provided in the area of the supply lines 14 facing the air-conveying / cooling units 7. The air emerging from the outlet openings 15 is sucked in by the fans of the units 7 and conveyed downwards in the direction of the process devices 5.
  • the supply lines 14 may be pipelines. It is advantageous if the supply lines 14 are formed by textile tubes. you are not only inexpensive, but also easy to handle. Such flexible textile hoses are suitably held in the drying room. They can be easily mounted with their open end on the located in the side wall connections of the transverse lines 13. The other end of the textile hoses is closed.
  • the dehumidifier 1 1 can be supplied via a feed line 16 outside air, so that air losses in the drying room can be compensated.
  • the outside air is dehumidified with the dehumidifier 1 1 to the required level.
  • each air conveying / cooling unit 7 is provided with a respective diffuser 17. It is formed by a discharge grille which is attached to the outlet end of the air conveying / cooling unit 7. For example, a turbulent air flow can be achieved with the diffuser 17. be enough. It is also possible with the diffuser 17, the air directed at the exit from the air conveyor / cooling unit 7 in a desired direction.
  • the diffuser 17 has in a known manner with spaced lamellae, which are employed for a directional deflection of the exiting air corresponding obliquely.
  • the drying space is the same design as in the previous embodiment, so that reference is made to the previous embodiments with respect to the function of the drying space.
  • a return air duct 18 is provided in the drying room, in which there is at least one fan 19, with which the air is sucked from the drying room.
  • the return air duct 18 extends along one side wall 3 of the drying space.
  • the return air channel 18 is bounded by the one side wall 3 and a partition wall 20 lying parallel to it. It ends approximately at the level of the air conveying / cooling units 7.
  • the dividing wall 20 is provided with at least one grille 21, through which the air passes from the drying space into the return air duct 18.
  • the air outlet 9 in the line 10 to the dehumidifier 11 is located within the return air duct 18. As a result, a portion of the sucked by the fan 19 in the return air duct 18 air also enters the line 10 and thus to the dehumidifier 11.
  • the drying space according to FIG. 4 has the same design as the exemplary embodiment according to FIG. 3.
  • the return air duct 18 with the fan 19 may also be provided in the drying room according to FIGS. 1 and 2.
  • Fig. 5 shows a drying room, which is provided with a grid ceiling 22, which is located at a distance below the ceiling 2 and on which the Heilför- / cooling units 7 are arranged. Between the grid ceiling 22 and the ceiling 2, a plenum 23 is formed in this way. It may have such a height that it is passable to perform, for example, maintenance or assembly work on the air conveying / cooling units 7.
  • the grid ceiling 22 may also be designed in a known manner so that the air conveying / cooling units 7 can be inserted from below into the grid openings of the grid ceiling 22.
  • the supply lines 14 extend through the plenum 23 in the area between the air conveying / cooling units 7 and the ceiling 2.
  • the return air duct 18 is of the same design as in the embodiment according to FIG. 4.
  • the sucked by the fan 19 air passes through the grid 21 in the return air duct 18 and flows from there upwards into the plenum 23.
  • this return air is sucked by the fans of the filter-fan units 4 and blown over the grid ceiling 22 in the drying room.
  • the filter-fan units 4 are arranged on the grid ceiling 22 so that the diffusers 17 protrude beyond the grid ceiling 22 in the drying room.
  • the filter-fan units 4 upstream cooler 6 the dry air is cooled to the extent required.
  • the grid ceiling 22 with the return air duct 18 may also be provided in the embodiments according to FIGS. 1 to 3.
  • dry spaces can be created that are not only inexpensive to manufacture, but also in consumption.
  • the conditioning or conditioning of the air takes place in a simple manner by the filter-fan units 4, which are each provided with its own cooler 6.
  • the filter / fan units 4 with the coolers 6 are arranged in the drying space such that the air emerging from them reaches the area of the process devices 5 located in the drying space.
  • the individual air conveying / cooling units 6 are advantageously controlled independently of each other, so that only those units are in operation, which are in the range of process devices that are active.
  • the units 4 are advantageously integrated in a network, so that the control of the individual units 4 is very easily possible.
  • each unit 4 is provided with its own cooler 6, only that portion of air is selectively targeted, which is sucked in via the filter-fan unit and passed into the drying room.
  • the units 7 form self-sufficient air delivery / cooling units. This allows the drying rooms to be individually adapted to the intended task.
  • the self-sufficient units can be arranged as desired within the drying room.
  • the process devices 5 can be optimally distributed in the drying room, so that, for example, structural conditions can also be taken into account when installing the process devices 5.
  • the units 7 can then be mounted at the locations in the drying room where the process equipment is located. The areas of the drying room where there are no process devices to be treated do not have to be supplied with corresponding dry air. This results in a very favorable and optimal energy balance.
  • At least one cooler 24 is connected downstream of the at least one fan 19, with which the return air flowing through the return air duct 18 is cooled in a known manner becomes.
  • the cooled return air is sucked by the fans of the filter-fan units 4 and conveyed down through the diffusers 17 in the drying room.
  • the filter-fan units 4 are not provided in this case with its own cooler. With the fan of the filter-fan units 4, the air can be specifically promoted in the respective area of the drying room.
  • this embodiment is the same design as the embodiment of FIG. 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Drying Of Solid Materials (AREA)
  • Ventilation (AREA)

Abstract

L'invention concerne une enceinte de séchage comportant un dispositif d'alimentation en air qui présente au moins un ventilateur. Elle comporte en outre un dispositif de refroidissement de l'air d'alimentation. Le dispositif d'alimentation en air est constitué d'unités d'alimentation en air individuelles (4) et le dispositif de refroidissement de refroidisseurs individuels (6). Les unités d'alimentation en air (4) et les refroidisseurs (6) sont respectivement regroupés pour former des unités d'alimentation en air/de refroidissement autonomes (7).
EP17794897.3A 2016-11-09 2017-11-06 Enceinte de séchage Withdrawn EP3538829A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016013589.1A DE102016013589A1 (de) 2016-11-09 2016-11-09 Trockenraum
PCT/EP2017/001287 WO2018086731A1 (fr) 2016-11-09 2017-11-06 Enceinte de séchage

Publications (1)

Publication Number Publication Date
EP3538829A1 true EP3538829A1 (fr) 2019-09-18

Family

ID=60269793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17794897.3A Withdrawn EP3538829A1 (fr) 2016-11-09 2017-11-06 Enceinte de séchage

Country Status (4)

Country Link
EP (1) EP3538829A1 (fr)
CN (1) CN110402363A (fr)
DE (1) DE102016013589A1 (fr)
WO (1) WO2018086731A1 (fr)

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN109186231A (zh) * 2018-09-30 2019-01-11 河南中联热科工业节能股份有限公司 一种玫瑰花烘干及其细胞液提取装置
CN113652845B (zh) * 2020-04-30 2023-07-04 云米互联科技(广东)有限公司 送风控制方法、送风装置、***及存储介质
CN114348478A (zh) * 2022-02-22 2022-04-15 广东能源集团科学技术研究院有限公司 一种地源温控式储能集装箱
DE102022001922A1 (de) * 2022-06-01 2023-12-07 Exyte Management GmbH Anlage zur Trockenraumüberwachung im Bereich einer Batteriefertigung sowie Verfahren zur Überwachung der Konzentration an Schadstoffen in einem Trockenraum für eine Batteriefertigung

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Also Published As

Publication number Publication date
DE102016013589A1 (de) 2018-05-09
CN110402363A (zh) 2019-11-01
WO2018086731A1 (fr) 2018-05-17

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