EP2307811A1 - Condenseur frigorifique avec unité de filtration, ainsi qu'unité de filtration et élément filtrant - Google Patents

Condenseur frigorifique avec unité de filtration, ainsi qu'unité de filtration et élément filtrant

Info

Publication number
EP2307811A1
EP2307811A1 EP09765459A EP09765459A EP2307811A1 EP 2307811 A1 EP2307811 A1 EP 2307811A1 EP 09765459 A EP09765459 A EP 09765459A EP 09765459 A EP09765459 A EP 09765459A EP 2307811 A1 EP2307811 A1 EP 2307811A1
Authority
EP
European Patent Office
Prior art keywords
filter element
filter
frame
filter device
kühlverflüssiger
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Withdrawn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
EP09765459A
Other languages
German (de)
English (en)
Inventor
Werner Steppat
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.)
Profi Metall & Technik GmbH
Original Assignee
Profi Metall & Technik 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 Profi Metall & Technik GmbH filed Critical Profi Metall & Technik GmbH
Publication of EP2307811A1 publication Critical patent/EP2307811A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/18—Particle separators, e.g. dust precipitators, using filtering belts
    • B01D46/20—Particle separators, e.g. dust precipitators, using filtering belts the belts combined with drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/88—Replacing filter elements
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • 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
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90—Cleaning of purification apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
    • F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/40—Pressure, e.g. wind pressure

Definitions

  • the invention relates to a cooling condenser and a filter unit and a filter element therefor.
  • cooling condensers are known. They are erected by means of a freely erectable frame, for example on a site, but often on flat roofs of buildings.
  • refrigerated counters refrigerated shelves or the like.
  • refrigerated counters do not discharge their waste heat into the room in which they are installed.
  • the coolant circulates to a device outside the room, for example to one of the mentioneddevermillioner, which are arranged on the roof of the building and is cooled there.
  • Such refrigeration liquefiers are also used for the interior cooling of buildings, for example for work rooms in slaughterhouses, but also for office space.
  • the known from practicedeverigmaer have a freely mountable frame, are provided within the heat exchanger.
  • the units are referred to, through which heat is dissipated to the ambient air, regardless of the specific design of these units.
  • Thedeverlaborer also have large fans, which a
  • the efficiency of the cooling condenser is influenced by how well the heat transfer between the heat exchanger and the ambient air can take place. With contamination of the heat exchanger, this heat transfer is significantly deteriorated, so that the efficiency of the cooling condenser drops and, for example, the blower often has to run or must run at increased speed and ultimately higher costs for the operation of thedeverliterers arise. For example, if plant pollen is slightly sticky and precipitates on the heat exchanger, these sticky pollen quickly forms a relatively thick layer of insulation, either through
  • thedever considerablyer must be regularly maintained, namely their heat exchangers are cleaned, which is time consuming and therefore uneconomical.
  • the object of the invention is to improve a generic cooling condenser in such a way that it can have the best possible efficiency and can be operated as economically as possible.
  • a cooling condenser with the features of claim 1.
  • a filter device suitable for such a cooling condenser is described in claim 12, and a filter element which can be used in such a condenser or in such a filter device is described in claim 16.
  • the invention proposes to filter the air supplied by the blower to the heat exchanger before it reaches the heat exchanger, so that contaminants are reliably retained and, accordingly, the heat exchanger can work with the highest possible efficiency.
  • the filter element used in this case is interchangeable, so that it can be replaced within a very short time and the maintenance costs compared to the cleaning of the heat exchanger can be significantly reduced.
  • the filter element can be designed as a band, so that it can run from a supply roll to a take-up drum or to a collecting trough.
  • the transport of the filter element takes place in each case by a transport unit.
  • the filter element itself is advantageously made up in the form of a supply roll, so that a comparatively large strip length can be handled and mounted comparatively easily.
  • the filter element can be designed in a manner known per se as a nonwoven mat, for example as a needle felt.
  • the transport unit may be realized by driving the aforementioned take-up drum.
  • the transport unit may be designed as a separate unit, for example with two rubberized or profiled rollers, between which the filter element extends, wherein at least one of the two rollers is driven. A possible independent of weather conditions and safe transport function can be ensured that the rollers are profiled. - A -
  • the transport unit can be provided in a particularly economical embodiment of the transport unit to provide rollers or shafts with commercially available toothed pulleys and to arrange the pulleys so that in each case two toothed pulleys discs of both rollers mesh with each other.
  • the toothed belt pulleys have a tooth profiling, which allows a gentle transport of the filter element, even if the filter element consists of a nonwoven.
  • existing plastic pulleys are readily available, and the plastic material supports a gentle transport of
  • Filter element so that the above-mentioned filter change can be performed without interference and damage to the filter element can be avoided.
  • the so-called "replacement" of the filter element can thus be time-saving limited to operate only the transport unit and to promote the soiled portion of designed as a band filter element so far on, so that now the air flow through a fresh, unpolluted portion of the filter element can flow.
  • a greater maintenance of the cooling condenser can then be provided, which is provided, for example, at the latest when the filter element is completely consumed, ie consumed to such an extent that no longer suffices for a next filter change
  • the spent filter element is removed as part of the major maintenance and disposed of or cleaned, for example.
  • the heat exchanger of the cooling condenser is now optimally accessible after removal of the filter element, provision can be made for the heat exchanger to be cleaned as part of this greater maintenance, for example by means of a hose or steam jet. If necessary, such a cleaning is not required for every major maintenance, so that, for example, depending on the weather or the season, such cleaning must be carried out less frequently.
  • a fresh filter element is mounted, so for example a new, unused stock roll mounted, and the beginning of the filter element is guided to the transport unit and fastened there.
  • the transport unit can be driven by a motor, so that the filter change can be carried out in a particularly simple and time-saving manner.
  • it can be decided on the basis of an optical control of the filter to perform the filter change, so that then the motor-driven transport unit is actuated accordingly.
  • a controller may optionally be provided which automatically ensures that the filter element is transported by a corresponding length when a start signal is issued once, so that the contaminated area of the filter element is reliably transported further in such a way that on the entire filter-effective length of the filter element, an unused area of the filter element is provided.
  • the operation of the filter change can be fully automatic.
  • the cooling condenser may have a sensor and an electronic control.
  • the sensor detects the degree of contamination of the filter element. This can be done in a variety of ways, for example optically visible or invisible light.
  • the electronic control evaluates the sensor signals and, when the sensor signals correspond to a certain degree of contamination, switches a corresponding signal. This signal can be used either as optical and / or acoustic signaling in a control Central office so that now the staff performs the mentioned filter change.
  • the filter change can be carried out fully automatically in an economically advantageous manner, in that the signal of the electronic control is configured as a switching signal for the transport unit, so that the filter change is carried out without occupying human labor time.
  • the mentioned sensor can be designed as an air pressure sensor. It is then placed between the filter element and the blower so that it detects the pressure generated in this area by the blower. Frequently, the fan is arranged above the heat exchanger, so that in this case the pressure sensor is arranged on the suction side of the fan and detects a negative pressure, which becomes stronger the more the filter element is contaminated. In the optimal case, with an optimally permeable filter element, the pressure detected by the pressure sensor almost corresponds to the respective prevailing ambient pressure, which can be measured outside the cooling condenser.
  • a comparison value can be determined independently of external air pressure fluctuations, namely how different the value detected by the pressure sensor within the cooling condenser is for the prevailing ambient air pressure.
  • the frame of the cooling condenser can have a circumferential housing-like section, so that the frame of the filter device can be peripherally configured bordering on this section and it is accordingly ensured that little or no false air can flow past the filter element to the heat exchanger of the cooling condenser.
  • the frame of the filter device is airtight to the housing-like sections of theharivermounter frame, so that the mentioned false air is reliably excluded. The air tightness is to be measured in practice, so that low
  • the filter device can be designed as a separate device so that it can be retrofitted to existing cooling condensers.
  • the retrofitting of a cooling condenser with a proposed filter device can amortize the costs associated with the filter device within a short time. If the filter device is present as a separately handled good and is not already firmly incorporated in the cooling fluid, the individual components can be transported more easily to the installation site. This can prove to be particularly advantageous when mounting on or under a roof, since no large, unwieldy parts must be moved.
  • a frame may be provided, which has the filter device and carries a designated as a grid support surface, wherein the support surface may be formed by a perforated plate, a wire mesh, a round or flat steel grate or a plurality of individual struts, and wherein this grid is provided between the blower of the cooling condenser and the filter element, so that the filter element can not be sucked by the blower and sucked into the blower.
  • the grating used may be a wavy grid, which allows good stability with low weight.
  • the frame has two mutually parallel angle profiles, which extend in the transport direction of the tape.
  • Each of the two angle profiles has a lying stop leg and a downwardly extending holding leg.
  • the aforementioned grid is arranged between the two opposing retaining legs and rests with its upper side of the respective underside of the two Anschlagschenkel.
  • Transverse screws extend through the holding leg, which support the grid downwards, transverse to the extension direction of the angle profiles. When using round bars, these holding screws can rest against the grid below the equator of the bars, so that the grid are fixed by tightening the screws, which is a
  • a second supporting surface also referred to as a grid, is provided below the filter element, so that the filter element does not sag uncontrollably and, on the other hand, does not have to be under considerable tension in order to be kept taut.
  • the filter element in this case runs between the mentioned upper grid and the lower grid.
  • the latter can be advantageously formed by a plurality of support frame arranged on the frame, which is z. B. extend transversely to the transport direction of the tape between the inner sides of the holding leg and by their distance from each other access to the filter element z. B. allow for maintenance or repair cases.
  • the support rods may consist of a round material in an advantageous embodiment and at both ends of the front side each have an internal thread, via which they are bolted to the frame. And in the way that the screws used extend through the frame into the internal thread.
  • This attachment is advantageous in that the frame and the support rods form a stable composite, so that comparatively lightweight and economical components can be used for the individual elements such as the frame profiles and support rods used.
  • it can be provided for the support of the support rods to design these as hollow profiles or tubes, which have at their respective ends frontally inserted caps with an internal thread, via which they are then screwed in the aforementioned manner.
  • the frame itself has a hole with internal thread through which the screws are screwed. The screws simply protrude with their free end into the cavity of the tube, whose inner diameter sits with a slight play on the outer diameter of the screw.
  • the frame of the filter device is designed such that it can be fastened to the frame of the cooling condenser. In this way, a dense system of the filter device on the frame of the cooling condenser can be ensured by simple means to exclude as described above false air that could flow past the filter element.
  • the filter device can be designed particularly inexpensive as a retrofittable filter device, since it does not have to have its own frame, which would allow a separate installation of the filter device.
  • the filter element may be in the form of an elongate non-woven mat with a mat thickness of more than 5 mm, which is rolled up over its length and made up as a supply roll. At at least one of its two ends delimiting the length of the mat, the mat may have a connection element which allows it to be fastened to a second mat. Two mats connected to each other allow a complete and uninterrupted supply of filter material and thus an uninterrupted operation of a proposed filter device.
  • the connection element can advantageously as part be designed a check mark closure.
  • the fleece itself forms in a particularly economical embodiment, the second part of the hook closure. Attached to each other, the connecting element, similar to a hook-and-loop fastener, grips the fleece and thus reliably connects the two mats.
  • connection element can run in different ways, namely, for example, transversely to or in the transport direction.
  • connection element can be arranged over the entire width or only over portions of the mat width.
  • it may be provided to apply a tick closure strip at right angles to the longitudinal direction over the entire width of the mat.
  • a proposed mat is particularly simple and economical to produce leu, since only a single comparatively short closure strip mounted in a single operation - so for example, sewn or welded - must be.
  • a plurality of hook strip closure strips running longitudinally to the mat length can be arranged next to one another in such a way that they are not covered by the transport elements during passage of the transport unit and thus can not hinder them, eg. B. each run between two adjacent of the above-mentioned pulleys.
  • the filter device can advantageously have a welding device for the nonwoven mats used, by way of example in an embodiment similar to a foil welding device with a bar-like heating element and an abutment. Between these two elements, the mats to be welded are guided through and then the heating element is pressed in the direction of the counter bearing or vice versa.
  • the entire process of welding can be specifically adapted to the matting material and its thickness.
  • FIG. 1 is a schematic side view of adeverflüs- sigers
  • FIG. 3 is an end view of thedevermeterer of Fig. 1 and 2
  • Fig. 4 is an enlarged view of FIG. 3 of the
  • FIG. 5 is a perspective view of the basic design of the filter device in an exploded view, wherein a possibly provided frame men of the filter device is not shown,
  • Fig. 6 is a view in partial detail
  • FIG. 7 is a view of a screw connection between the lower grid and angle sections of a filter unit shown in detail
  • FIG. 8 is a view of a connector between the lower grid and angle sections of a filter unit shown in fragmentary form
  • 9 - 1 1 each show a plan view of a connection of two filter elements
  • FIG. 12 is a perspective view of a transport unit of a filter device
  • FIG. 13 is a side view of the basic embodiment of a
  • Cooling condenser with filter device and associated boxes.
  • 1 designates a total of a cooling condenser having a frame 2 with a plurality of floor supports 3. Within the frame 2 four fans 4 are arranged. Below the blower 4 - not shown for reasons of clarity - the arrangement of one or more heat exchangers is provided, which are only indicated as a dashed line and denoted by 5. In the case of the heat exchanger 5, for example, similar to the radiator of a motor vehicle, it may be a lamella or lattice structure through which the ambient air can flow, in particular within the scope of the air flow generated by the blower 4.
  • the frame 2 is designed above the floor supports 3 as hood-like closed housing, ie with four circumferential walls and a lid, wherein openings for the fan 4 are provided within the lid.
  • the filter device 10 is arranged below the heat exchanger 5, which has the lower grid 12 here in an exemplary embodiment in the form of four support rods 17 whose positions in FIGS. 1 and 2 are indicated by center lines.
  • FIG. 4 shows this upper, hood-like part of the frame 2 on a comparatively larger scale.
  • the frame 2 forms peripheral closed walls 6 and an upper lid 7, in each of which a shaft 8 for a blower 4 is provided.
  • a frame 9 of a filter device 10 is provided within the frame 2, the walls 6 fitting, a frame 9 of a filter device 10 is provided.
  • the filter device has an upper grid 1 1 and a lower grid 12, both of which serve as a guide grid for a filter element 14 which extends between the two grids 1 1 and 12.
  • Fig. 5 makes it clear that the filter element 14 is not a single mat, which is inserted accurately into the frame 9, but rather a long band, which is initially assembled on a supply roll 15, deducted from this and here is guided to a take-up drum 16, is fixed to the take-up drum 16 and can then be withdrawn by rotation of the take-up drum 16 of the supply roll 15.
  • the filter device 10 is shown in an exemplary embodiment, in which the lower grid 12 is formed by a plurality of support rods 17, which are screwed at their respective end faces with the retaining legs 19 of the angle profiles.
  • This screw is, as well as the retaining screw for the here present as a wave mesh lower grid 1 1 shown in the right part of the picture.
  • the internal thread of a support rod 17 is shown without a screw for a better understanding.
  • the filter element 14 is arranged, which rests from below the upper grid 1 1 and is guided and transported between the grids 1 1 and 12.
  • the area marked X is additionally shown as an enlarged section of FIG.
  • the retaining screws abut the upper grid 1 1 below the equator A of the bars, so that the grid 1 1 is fixed by tightening the screws.
  • FIGS. 7 and 8 each show one of the two angle profiles extending parallel to one another with its horizontal stop leg 18 and its holding leg 19 extending downwardly therefrom, from which a support bar 17 shown in sections in the direction of the second, not shown Angle profile extends.
  • the support rod 17 shown in FIG. 7 is fixed to the retaining limb 19 by means of a screw connection in such a way that a screw penetrates the retaining limb 19 through a bore and is screwed into an internal thread of the support rod 17.
  • the screw is tightened here against the outwardly facing side of the retaining leg 19.
  • the support rod 17 is designed here as a solid material made of corrosion-resistant round steel and lies, in each case end face, with its respective end face on the here inwardly facing side of Garschenkeis 19, which forms a stable bond together with the screw and effectively stiffen the filter device 10 can.
  • the support rod 17 shown in Fig. 8 is arranged by means of a plug connection between the two retaining legs 19, in the manner that a screw by a holding leg in the 19th introduced internal thread is screwed.
  • the screw extends here coaxially into the cavity of the support rod 17 designed as a round tube, which is advantageously freely rotatable about the screw and allows a particularly smooth transport of the filter element 14, not shown.
  • FIGS. 9 to 11 each show an example of a connection between two filter elements 14a and 14b designed as elongated nonwoven mat by means of a connecting element 21 present here as a hook closure.
  • FIG. 9 shows a strip-shaped connection element 21 applied to the end-side section of the filter element 14a.
  • This strip runs transversely, in this case at right angles, to the transport direction and to the length of the filter element 14 and has hooks which engage in the nonwoven material of the filter element 14b, which engages the Strip overlapping on the filter element 14 a is applied.
  • the filter element 14b is here shown sectionally folded upwards only to better illustrate the connection.
  • FIG. 10 shows a connection of two filter elements 14a and 14b, which is similar to that of FIG. 10, with the difference that the strip-shaped connection element 21 here extends obliquely to the transport direction of the filter element 14. Again, that is
  • Filter element 14b is shown folded up for clarity better sections, the local corner of the filter element 14b is deliberately rounded. This rounded "corner shape" allows a disability-free passage of the transport unit 26, not shown here. Both ends
  • Filter elements 14a and 14b in the same way obliquely, this allows their economic, because no waste, provision.
  • FIG. 11 shows a connection of two filter elements 14a and 14b with a connecting element 21 in the form of three strips extending along the length of the mat and arranged next to one another, wherein the filter elements 14a and 14b are butted together.
  • the strips are sewn here on the filter element 14a and protrude beyond its end.
  • the projecting from the filter element 14 a regions of the three hook closure strips are placed on the filter element 14 b and pressed firmly, thus creating a compound which is advantageously carried out flat by the up-shock configuration.
  • the arrangement of the strips is adapted such that they are not detected in a configuration of the transport unit 26 not shown here with pulleys 23 of these, but are guided past them, allowing unhindered transport of the filter elements 14a and 14b.
  • a transport unit 26 in which a filter element 14 between a driven roller 20 and an abutment 22, which is configured here also cylindrical, is transported.
  • a plurality of toothed belt pulleys 23 are arranged adjacent, which distributed over the length of the roller 20 uniformly the teri terelement 14 over its entire width to detect in the edge regions and transport safely.
  • FIG. 13 shows, by way of example, a purely schematic arrangement of two boxes 24 and 25, which are defined by way of example on the filter device 10 of the cooling condenser 1.
  • the clean box 24 contains a filter element 14, not shown here for reasons of clarity, as a band on a supply roll, which, after passing through the filter device 10, arrives in the direction of the arrow with its used sections in a dirt box 25.
  • the spent filter material is collected until it is disposed of.
  • the boxes 24 and 25 are arranged and configured in such a way that the filter unit 10 protrudes into the boxes 24 and 25 with their respective end sections projecting beyond the housing 2 of the cooling condenser 1.
  • the boxes 24 and 25 and their transitions to the filter unit 10 are advantageously water- densely designed to prevent accumulation of rainwater in the boxes 24 and 25. In this way, thorough wetting of the fresh filter element 14 and flushing out of the foreign substances present in the used filter element 14 can be effectively prevented.
  • the boxes 24 and 25 are also set via a detachable connection to the filter device. To dispose of the accumulated in the dirt box 25 filter element 14, a lid of the box 25 is opened and the contents of the box 25 are practically removed. However, it may, for example, as part of a maintenance of the not shown

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un condenseur frigorifique, avec un bâti autonome qui porte un échangeur thermique et au moins une soufflante qui produit un flux d'air s'écoulant le long de l'échangeur thermique et avec un dispositif de filtration qui est monté en aval de l'échangeur thermique dans la direction d'écoulement du flux d'air et qui possède un élément filtrant interchangeable. Par ailleurs, l'invention concerne un dispositif de filtration et un élément filtrant qui conviennent pour cet usage.
EP09765459A 2008-06-20 2009-06-22 Condenseur frigorifique avec unité de filtration, ainsi qu'unité de filtration et élément filtrant Withdrawn EP2307811A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202008008271U DE202008008271U1 (de) 2008-06-20 2008-06-20 Kühlverflüssiger mit Filtereinheit, sowie Filtereinheit und Filterelement
PCT/DE2009/075030 WO2009152823A1 (fr) 2008-06-20 2009-06-22 Condenseur frigorifique avec unité de filtration, ainsi qu'unité de filtration et élément filtrant

Publications (1)

Publication Number Publication Date
EP2307811A1 true EP2307811A1 (fr) 2011-04-13

Family

ID=39810016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09765459A Withdrawn EP2307811A1 (fr) 2008-06-20 2009-06-22 Condenseur frigorifique avec unité de filtration, ainsi qu'unité de filtration et élément filtrant

Country Status (3)

Country Link
EP (1) EP2307811A1 (fr)
DE (1) DE202008008271U1 (fr)
WO (1) WO2009152823A1 (fr)

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CN114745865B (zh) * 2022-04-12 2023-03-24 深圳市创马优精密电子有限公司 一种用于集成电路smt元件加工设备

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