Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
  • B01D35/30—Filter housing constructions
  • B01D35/301—Constructions of two or more housings
  • B01D35/303—Constructions of two or more housings the housings being modular, e.g. standardised
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
  • B01D24/001—Making filter elements not provided for elsewhere
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
  • B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
  • B01D24/008—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection arranged concentrically or coaxially
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
  • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
  • B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
  • B01D24/18—Combined upward and downward filtration
  • B01D24/183—Combined upward and downward filtration the filtering material being supported by pervious surfaces
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
  • B01D24/38—Feed or discharge devices
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2201/00—Details relating to filtering apparatus
  • B01D2201/48—Overflow systems
• • 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
  • C02F1/30—Treatment of water, waste water, or sewage by irradiation
  • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F2201/00—Apparatus for treatment of water, waste water or sewage
  • C02F2201/002—Construction details of the apparatus
  • C02F2201/006—Cartridges

Definitions

• the invention relates to a filter with a filter housing and a connection piece detachably connected thereto with connections for the inlet and outlet of the medium to be filtered, the flow of which is deflected at least once in the filter housing, at least one filter cartridge being in the filter housing is arranged, in the cartridge housing of which is made from a generally cylindrical housing wall with cover plates arranged at the end section, at least one filter chamber with filter material, at least one medium inlet opening and / or one medium outlet opening being formed in at least one cover plate.
• Such filters are known as water filters and are used to purify drinking water with quality that does not meet the purity criteria so that pollutants such as heavy metals, pesticides, chlorinated hydrocarbons, nitrates, herbicides, phosphates, bacteria and the like. Like. Be removed.
• pollutants such as heavy metals, pesticides, chlorinated hydrocarbons, nitrates, herbicides, phosphates, bacteria and the like.
• a filter is known in which a fine stainless steel prefilter is first flowed through in the flow direction of the water, which retains larger dirt particles and ensures a uniform water flow in the system. This is followed by a filter bed through which heavy metals are drawn from the water and chlorine, bacteria and inorganic pollutants are almost completely removed.
• the object of the invention is to design a filter of the type mentioned at the outset in such a way that the filter capacity can be varied in a simple manner and the filter can be adapted to different requirements, a comprehensive filtration of the medium to be cleaned always being possible with a compact design should.
• the filter according to the invention can be designed in a simple manner by appropriate arrangement of filter chambers and their filling with filter materials adapted to the cleaning requirements in such a way that the respective medium is cleaned despite the compact construction by optimizing the different filter beds, if necessary. If a very large cleaning capacity is required, the filter cartridge having filter chambers can be connected in a simple manner to a further filter cartridge.
• This filter is suitable for filtering both liquid and gaseous media. It just has to be the respective one Medium-adapted materials are used to form the filter beds.
• FIG. 1 shows the filter with two filter cartridges in a schematic side view
• FIG. 5 shows the design of filter cartridges with deflection up to 8 of the medium flow and filter candle arranged on the outlet side, in side views in section,
• Fig. 9 shows a further embodiment of filter cartridges with up to 16 deflection of the media stream in schematic
• 21 is a housing connector in perspective and 22 views from above and below,
• FIG. 24 shows a further embodiment of a housing connection piece with an upper and a lower cartridge housing in an exploded view
• B SET SHEET 25 shows a further embodiment of a housing connector and extension piece in two embodiments in plan view
• FIG. 28 shows a filter cartridge with housing connection pieces according to FIG. 25 in a side view in section
• Fig. 31 the housing connector according to Fig. 29 and 30 in a side view in section B-B.
• the filter 50 has a cartridge housing 2 which is detachably screwed onto a connector 54.
• the connecting piece 54 is provided with connecting pieces 55, 59 for the inlet of the medium to be cleaned or the outlet of the cleaned medium.
• a valve 56 is provided on the connecting piece 55 and a flow meter 60 is provided on the connecting piece 59.
• Two filter cartridges 1 are arranged in the filter 50 and are connected to one another by means of a housing connecting piece 51 or 52 or 53. The design of the housing connection pieces is described below.
• the bottom filter cartridge 1 lies with its base plate 7 on the connection piece 54.
• the upper section of the filter housing 2 is pressed onto the top plate 6 of the upper filter cartridge 1, so that the filter cartridges 1 are pressed firmly onto the connecting piece 54. Seals, not shown, prevent the medium to be cleaned from escaping.
• the filter cartridges 1 can have different filter chambers with different filter have materials. Examples of such filter cartridges are described below.
• the filter cartridge 1 acc. Fig. 2 has a cartridge housing 42 with z. B. circular cross-section, the housing shell 26 is arranged between a head plate 6 and a bottom plate 7.
• the housing jacket 26 can be made impermeable to the medium or else made of fine-pored ceramic. In this case, the medium would enter the filter chamber 3 through the housing jacket 26, so that the openings 8 in the base plate 7 would not be necessary.
• a circumferential partition wall 18 is arranged on the base plate 7 in the cartridge housing 42, and a deflection slot 10 is formed between the upper end section thereof and the head plate 6.
• a peripheral partition 19 is formed on the top plate 6, which projects into the cavity formed by the partition 18 and ends at a distance from the base plate 7.
• the outer filter chamber 3 formed by the housing jacket 26 and the partition 18 is connected to the openings 8 formed in the base plate 7 for the inlet of the medium to be cleaned.
• the dividing walls 18 and 19 form a filter chamber 4 and the dividing wall 19 for itself the filter chamber 5.
• the filter 5 he is connected to an opening 9 in the top plate 6 through which the cleaned medium exits.
• the filter chambers 3, 4, 5 can be filled with different filter materials 20, 21, 22, so that an adaptation of the filter cartridge 1 to the contamination of the medium to be cleaned is possible.
• the partitions 18, 19 can be filled with different filter materials 20, 21, 22, so that an adaptation of the filter cartridge 1 to the contamination of the medium to be cleaned is possible.
• the partitions 18, 19 can be filled with different filter materials 20, 21, 22, so that an adaptation of the filter cartridge 1 to the contamination of the medium to be cleaned is possible.
• the partitions 18, 19 can be filled with different filter materials 20, 21, 22, so that an adaptation of the filter cartridge 1 to the contamination of the medium to be cleaned is possible.
• the partitions 18, 19 as
• the filter cartridge 12 likewise has two filter chambers 3, 4 which are formed by a peripheral partition 18 in the cartridge housing 42.
• the partition wall 18 is arranged on the base plate 7, on which openings 8 are provided for the inlet of the medium to be cleaned and an opening 9 for the outlet of the cleaned medium.
• a fine-meshed grid 11 is arranged on the partition wall 18. This grid 11 serves to make the flow of the medium in the filter chamber 4 more uniform.
• the filter chambers 3, 4 are filled with filter materials 20, 21, which can likewise have different cleaning properties.
• the medium to be cleaned is first introduced through the openings 8 into the filter chamber 3 and then flows out of the filter cartridge 12 via the filter chamber 4 through the openings 9.
• the filter cartridge 13 like the filter cartridge 1, has three filter chambers 3, 4, 5 arranged coaxially to one another.
• the medium to be cleaned is introduced into the filter chamber 3 through openings 8 formed in the top plate 6 and flows out through an opening 9 formed in the base plate 7 via the filter chamber 5 Filter 13 out.
• the outlet-side filter chamber as an internally hollow filter candle 25, the outer jacket 23 of which forms a partition 19a for dividing the interior of the cartridge housing 42 into different filter chambers.
• 5 shows a filter cartridge 14 in which openings 8 for the inlet of the medium to be cleaned and an opening 9 for the outlet of the cleaned medium are provided in the base plate 7.
• the breakthrough is on the base plate 7 9 assigned a filter candle 25 is provided, the interior of which forms the filter chamber 4.
• the medium to be cleaned flows from the filter chamber 3 through the z. B. from fine-pored ceramic partition 19a of the filter candle 25 into this and then through the opening 9 out.
• the filter candle 25 in the cartridge housing 42 by a further partition 18, so that filter chambers 3, 4, 5 are formed.
• the openings 8 for the inlet of the medium to be cleaned and the opening 9 for the outlet of the cleaned medium can either be in the base plate 7 or the top plate 6 be trained.
• FIG. 8 shows a filter cartridge 17, in which the filter chambers 3, 4, 5 are formed by a filter candle 25 with an inner filter tube 24.
• the inner filter tube 24 is assigned to the opening 9 in the base plate 7 on the outlet side.
• the openings 8 on the inlet side are located in the top plate 6.
• This filter candle 25 as well as the inner filter tube 24 can also be made of fine-pored ceramic. It is possible to fill the filter chamber 3 with a filter material 20 in such a way that a filter bed lying against the filter candle 25 is formed. Likewise, the inner filter tube 24 can also be filled with filter material 27.
• the filter cartridges 1, 12, 13, 14, 15, 16, 17 described can be designed for cleaning liquid and gaseous media. All that is required for this is to adapt the filter materials 20, 21, 22, 27 or the material of the filter candle 25 and possibly the inner filter tube 24 to the specific properties of the medium to be cleaned. For cleaning the medium by sterilization, ozone generation or the like. can in the filter chambers 3, 4, 5 also light sources with z. B. ultraviolet radiation. In such cases, the partition wall 18, 19 serving as the outer wall of the respective filter chamber 4, 5 can also be transparent.
• FIG. 9 to 13 show variations of the filter cartridges 1, 13.
• the housing jacket 26 is arranged in each case between two housing connecting pieces.
• two tubes 72, 72 are located concentrically to one another in the housing jacket 26 as partitions 19, 18.
• slit-like openings 81 are provided in the tube wall at an angle to the longitudinal axis of the tube.
• slit-like openings 80 are also formed, which are oriented obliquely to the longitudinal axis of the tube. The medium can thus flow from the upper opening 8 through the filter chambers 3, 4, 5 to the lower opening 9.
• either a tube 73 or a tube 72 is arranged in the housing jacket 26, so that only two filter chambers 3, 4 and 3, 5 are present, but which have different cross sections.
• the top plate 6 or the bottom plate 7 is provided with an inlet distribution chamber 86 to which an inlet 84 is connected.
• the medium flows into the filter chamber 3 via openings 8 and leaves the filter chamber 5 through the outlet 85.
• FIG. 14 shows a filter cartridge 82 in which housing connection pieces 87 are arranged on the housing jacket 26 on the end section side and are shown in more detail in FIGS. 29 to 31.
• the housing connecting pieces 87 have a cylinder 88 with a groove 46 on the head side to hold the tube 72 on.
• a further groove 47 for holding the tube 73 is formed on an annular disk 90 surrounding the cylinder 88.
• the groove 47 is surrounded by a ring 92, which has a groove 48, 94 on both sides.
• the groove 48 serves to receive the housing jacket 26, while a connecting ring 95 is inserted into the groove 94 and serves to connect the filter cartridge 82 to the housing connecting piece 87 of a further filter cartridge 82 (FIG. 15).
• the ring 92 can be connected to the circular ring disk 90 by means of a closed circular ring 96 or by means of radial webs 97.
• the webs 97 form openings 29 through which the medium can be introduced into or out of the filter chamber 3.
• the top surface 89 of the cylinder 88 can be closed or have a central opening 31.
• the slot-like openings 80, 81 formed in the tubes 72, 73 have flow cross-sections oriented obliquely to the longitudinal axis of the tube in order to facilitate the flow through the filter chamber 3, 4, 5.
• FIG. 16 shows a filter cartridge 82 in which a rod-shaped UV lamp 98 is inserted into the filter chamber 5 and extends over its length.
• the UV lamp 98 is fastened in the cylinder 88 of the upper housing connector 87.
• FIGS. 17 to 20 Various filter combinations can be produced in connection with a filter cartridge 82, examples of which are shown in FIGS. 17 to 20.
• the upper filter cartridge 82 has a housing jacket made of e.g. B. finest porous ceramic, through which the medium to be cleaned is introduced into the actual filter cartridge.
• a lower filter cartridge 82 is provided, on which a filter chamber housing 99 is arranged. In this there is a filter candle 25 which is attached to the medium to be cleaned on the inlet side. is flowing. The medium passes through the filter candle 25 into the lower filter cartridge 82.
• a filter chamber housing 99 with a filter candle 25 is connected on the outlet side to an upper filter cartridge 82.
• the filter arrangement 103 according to FIG. 20 consists of two interconnected filter cartridges 82, of which the upper filter cartridge 82 has a control slide.
• This spool can, for. B. be made of polyethylene and surrounds the outer tube 73.
• the control slide 104 By vertically moving the control slide 104, the free flow cross-section of the slot-like openings 81 can be adjusted, whereby the proportion of the filter chamber 3 of the upper filter cartridge 82 directly into the filter chamber 3 of the lower Filter cartridge 82 flowing medium is set.
• a housing connector 51 is shown, with the z. B. an elongated filter cartridge 1 can be formed.
• the housing connecting piece 51 is designed as a circular disk-like body 49 (FIGS. 21 and 22). Channels 43, 44, 45 associated with the flow passage of the filter chambers 3, 4, 5 of the cartridge housing 42 are formed in the body 49 (FIG. 23). On the upper and lower surface of the disc-shaped body 49, circumferential groove-shaped recesses 46, 47, 48 are provided, into each of which an end section 39, 40 of the housing shell 26 and the inner partition walls 18, 19 of the cartridge housing 42 can be inserted.
• the respective inner groove boundary walls 41 have wedge-shaped end sections 57, on which a fine-mesh grid can be attached. This prevents the filter material from trickling out when the extended filter cartridge is installed.
• the body 49 consists of an inner ring 65, a middle ring 66 and an outer ring 67, which are connected to one another by means of transverse webs 62. These are each arranged at a distance from one another and connect the inner ring 65, the middle ring 66 and the outer ring 67 to form a dimensionally stable housing connecting piece 51.
• it is also possible to use at least one inner ring 65, middle ring 66 and outer ring 67 To connect the transverse wall 63 in which openings 29, 30, 31 assigned to the channels 43, 44, 45 are formed. This embodiment is shown in FIG. 21.
• housing connecting pieces 51 can be used, the channels 43, 44, 45 of which are correspondingly adapted.
• FIG. 24 shows a further housing connection piece 52, which is also designed as a disk-shaped body 49.
• This body 49 consists of an inner disk 68 and an outer ring 67.
• Inner disk 68 and outer ring 67 are connected to one another by means of transverse webs 62 to form an annular channel 43.
• the housing connecting piece 52 only an outer annular channel 43 is thus provided, through which the medium to be introduced from the filter chamber 3 of the lower filter housing 42 flows into the filter chamber of the upper cartridge housing 3.
• a threaded bore 34 is provided, into which a tie rod can be inserted.
• this tie rod not shown in any more detail, it is possible to clamp the cartridge housing 42 on the housing connecting piece 52. If necessary, the retaining pin of a filter candle 25 can also be inserted into the threaded bore 34 be screwed.
• the cartridge housing 42 is fundamentally not limited to two or three filter chambers 3, 4, 5. More filter chambers can also be provided. This has the advantage that the contact time between the filter material and the medium to be cleaned is increased if the cartridge housing is short.
• housing connecting pieces 53 which are designed as disk-shaped bodies 49 made of solid material.
• a recess 64 and a groove 71 surrounding it are each formed coaxially to the central axis 61 in both flat surfaces 69, 70 of the body 49.
• the inner recess 64 serves to receive a tube 72 forming the partition 19, while a tube 73 forming the central partition 18 can be inserted into the groove 71.
• a projecting flange web 75 is formed in the center of the side wall 74 of the body 49, through which two shoulders 76 are formed.
• a housing jacket 26 of a cartridge housing 42 can be supported on each of these shoulders 76 (FIG. 28).
• the edges 77 and input-side end sections 78 are preferably chamfered.
• the housing connecting piece 53 can be designed as an end piece without openings (FIG. 26) or else openings 29, 30, 31 corresponding to the filter chambers in the filter cartridge and the following filter cartridge.
• the tubes 72, 73 are clamped as partitions 19, 18 between two housing connecting pieces 53 and instead of the deflection slots 10 have slot-like openings 80, 81 through which the medium can flow tangentially from one filter chamber into the next (FIG. 28).
• the housing connector 87 is shown in a view from above and below.
• This housing connector 87 also consists of a generally disk-shaped body 49 which has a central cylinder 88 with a groove 46 on the head side.
• the cylinder 88 is surrounded by an annular disk 90 on which a circumferential groove 47 is formed.
• a ring 92 is arranged, which is connected to the annular disk 90 by means of radial webs 97, with openings 29 being formed.
• the groove 46 serves to hold a tube 72
• the groove 47 serves to hold a tube 73
• the groove 48 serves Receiving the housing shell 26 and the groove 94 for receiving a connecting ring 95 for fastening a further filter cartridge 82.
• An opening 31 is provided in the head surface 89 of the cylinder 88.

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Filtering Of Dispersed Particles In Gases (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=6865234

Family Applications (1)

Country Status (2)

Cited By (5)

Families Citing this family (2)

Citations (4)

• 1991
  • 1991-03-14 DE DE9103053U patent/DE9103053U1/de not_active Expired - Lifetime
• 1992
  • 1992-03-07 WO PCT/EP1992/000508 patent/WO1992016272A2/de not_active Application Discontinuation

Patent Citations (4)

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