DE2156379A1 - Device for installing filter candles in a container - Google Patents

Description

relating to a device for installing filter candles in a container

The invention relates to an improved device for installing! filter elements in a container.

There are already known filter containers with interchangeable Filter sockets or Srilt-sEtec-r-ßea equipped are. When installing such a filter candle ».

es Ms öetat in

in most cases necessary for the worker ^ his ari23 to extend into the filter container or into the container

_to get in to the handling jan ^ der. ? ilJ3erk £ r ^ n __ ^ _ ^ mÖ6li ~

chen · This is not dangerous under normal circumstances, but «enn the filter device is used to filter substances that contain toxic components, it is for workers dangerous to enter the container or to stand in the immediate vicinity of the for long periods of time To move inside the container. In such cases, the operating personnel must have a device available, which makes it possible to install the filter keraen in the container from a point outside the container. Even in In cases in which toxic substances are of no concern, it would of course be advisable to use a device or a To have tools available * that allow filtering

209822/0640

ORIGINAL INSPECTED

to install candles without a worker in the container needs to get in.

In accordance with the invention, an improved apparatus for installing filter candles in a container is provided. This device generally comprises an elongated rod having a first end and a second end. Near the first end of the rod a U is offset outwards _n terstützungseinrichtung provided and above this U _n terstützungseinrichtung is a device arranged for compressing a belonging to a filter candle spring; this device can be moved generally parallel to the rod. Means for controlling the movement of the means for compressing the spring are also provided near the second end of the rod.

The invention and advantageous details of the invention are explained in more detail below with reference to schematic drawings of exemplary embodiments. It shows

1 shows a device in a shortened side view }

FIG. 2 shows a horizontal section along the line 2-2 in FIG. 1j

Fig. 3 on a larger scale in a partially than Shortened side view, drawn in section, shows the part of the device that cooperates with a filter candle Fig. 1;

FIG. 4 shows a rope of the device according to FIG. 1 when viewed from the line 4-4 in FIG.

5 shows a vertical section which shows the way in which the device is used when installing a filter candle in a filter container}

209822/0640

3? Ig. 6 the insertion in a vertical rope section a filter candle in a seat provided in a filter container;

Pig. 7 in a vertical section one in the associated Seat imported filter candle;

Pig, Fig. 8 in plan view of a filter candle receiving part which forms part of a seat for a filter candle;

Fig. 9 in a schematic vertical section the filter candles built into a filter container; and

Fig. 10 is a horizontal section along the line 10-10 in Fig. 9.

In Fig. 1 is a generally designated 10 device for installing filter candles in a filter container to recognize. The device 10 includes an elongated rod portion 12 having a first or lower end 14 and a second or upper end 16 on which a handle 17 is attached

From the first end 14 of the elongated rod section 12, two parallel, generally L-shaped filter candle support members 18 extend outwardly. Each of these support members -dex-18 includes -

An outwardly projecting trestle 22 is connected to the lower ends of the downwardly projecting sections 20. According to 1 and 4, the trestle 22 comprises two outwardly projecting Fingers 24, each of which is provided with a wedge-shaped side portion 26. The support bracket 22 carries two fastening rods 28, by means of which the support bracket with the downwardly projecting sections 20 of the iPragglieder 18 for a Filter candle is connected.

According to Fig. 2, a rod JO is for compression ^ iner of the respective filter cartridge associated spring between

209822/0640

the support members 18 are supported by means of an axis 32. The axis 32 allows the rod 30 to compress the IPedßr to perform pivoting movements in a plane parallel to the elongated rod Έ. The rod 30 for Compression of the spring is provided with a fork-shaped end portion 34 which is arranged above the rack 22 is.

The end portion 34- carries a socket part 36, which on an axis 38 is mounted so that it can perform pivoting movements in the same plane as the rod 30 for compression the feather. As explained below, the socket part 36 can be placed on the upper end of the central guide rod be placed on a filter candle. According to the drawings, the socket part 36 is arranged above the rack 22. That Socket part 36 is provided at its lower end with a guide section 39 which, according to FIG. 3, extends upwards has a conically tapered inner surface which helps to move the upper end of the guide rod of a filter element into to introduce the socket part 36.

The rod 30 Z ¹ Sm when the spring is compressed is assigned a control device which, in the present case, comprises an actuating rod 40 which is connected to the end of the rod 30 adjacent to the elongated rod section 12. The operating rod 40 is provided with a Spannsch} .oß 42 so that its length can be adjusted. The upper end of the actuating rod 40 is connected to a lever 44 which enables the actuating rod 40 to be moved parallel to the elongated rod section 12. In the present case, the same end section of the lever 44, which is connected to the actuating rod 40, is also connected to a displaceable rod 46 which is slidably guided in a socket part 48 parallel to the elongated rod section 12. The middle part of the lever 44 is rotatable on a movable arm 50

209822/0640

stored, the other end of which is connected to the socket part 48 in an articulated manner. In this construction, the lever locked as soon as it has been pivoted down to the stop, so that the user of the device is not constantly need to exert pressure on the lever to force the rod 50 to compress the spring in its operative position to hold while a filter candle is installed in a container in a manner yet to be explained.

According to Pig. 1, the apparatus further comprises means for releasing a filter cartridge, namely in the present Pail a release bar 52 that is rotatably mounted near the SPragboek 22 so that the free end of the release bar ilterkerze A in contact with a can occur _s them against to push the iDragbock 22 to the side * This rotary movement of the release rod 52 is brought about by a rotatable lever 54 which is connected to the release rod. The other end of the rope 56 is connected to a release handle 58 on the elongated rod section 12. When, as shown in FIG. 1, the release handle 58 Each is pulled up, the release rod 52 is pivoted so that it disengages the relevant filter candle from the support bracket 22. When the release handle 58 is released, the release rod 52 returns to its starting position under the influence of a spring 60.

A certain knowledge of the structure of the filter candles is necessary for a complete understanding of the mode of operation of the device required, for which the device is primarily intended. Such a filter candle is shown in FIG shown in their arrangement in a seat within a filter canister. The filter candle designated as a whole with 70 includes an annular filter portion 72 having a central guide rod 74- which is parallel to the axis of the filter section 72 is displaceable «The filter section

72 may be made of stainless steel and wrapped with a filter material such as nylon or the like " be; The filter section further comprises an upper seat plate 76 nii * a central opening for receiving the Guide rod 74 ·. The lower end of the filter section 72 is provided with a seal 78, which also has a central opening for receiving the guide rod 74.

An annular spring plate 80 with a central opening for receiving the guide rod 74 is arranged above the seat plate 76 at the upper end of the filter candle 70. The seat plate 76 and the spring plate 80 are separated by an O-ring 82 made of an elastomer material, so that an annular gap 84 is present between the seat plate and the spring plate. A spring 86 supported in the spring plate 80 is pushed onto the guide rod 74. The upper end of the spring 86 is supported on an annular upper cap 87, to which a nut 88 is welded in the area of its central opening so that the upper cap can be easily screwed onto the threaded upper end of the guide rod 74 can. In the embodiment described here, a retaining nut 89 and an extension nut 90 are screwed onto the upper end of the guide rod 74; the extension nut 90 has according to Pig * 5 sine P ~~ """Qtrer ^J bolii ^f un6 ~ 9'l '·" Di "© —Halttremutter-89" serves- - &&"s \ rj -TÜe- ^ feriäjjge ^ · - Lock nut 90 to secure.

According to FIG. 6, the lower end of the guide rod 74 is provided with a transverse bolt 92, which is still towards one illustrative helps to put the filter candle 70 in its a Determine the seat. The cross bolt 92 also prevents the guide rod 74 · through the seal 78 on the lower Ea.de. the filter candle 17 slides upwards. The extension nut 90 is preferably tightened in such a position that its transverse bore 91 is parallel to the transverse bolt 92 as shown in FIG.

209822/0640

I _n Pig. 1 the device is shown in an intermediate position. In the released position, the rod 30 is pivoted to compress the spring so that its outer end 34 is further away from the prong bracket 22 than is shown in FIG. When the spring 86 is compressed closed, the rod 30 assumes a position in which its free end 34 is pivoted downward in relation to the position shown in FIG.

As shown in the drawings, the free end 34 of the rod 30 moves between the release position to compress the spring and the pressure position Mngs an arc generally parallel to the elongated rod portion runs. For any person skilled in the art it would of course be readily possible to modify the device 10 so that the Means for compressing the spring moved in a straight line parallel to the rod section 12.

When the device is to be used, the lever 44 is first pivoted up to the stop. As a result, the actuating rod 40 is moved downwards, so that the free end 34 of the rod 30 is brought into its highest position, ie the release position, in order to compress the spring. Then the support bracket 22 is inserted with a healing effect into the gap 84 between the seat plate 76 and the fairy grant 80 86 is slightly compressed, with the guide rod JM- extending between the fingers 24. The device 10 assumes its correct position in relation to the relevant filter candle 70 when the socket part 36 is located above the upper end of the guide rod 74, which in the present case is the Extension nut 90. As soon as this position is reached, the lever 44 is pivoted downwards to pull the actuating rod 40 upwards, causing the free end 34 of the rod 30 to follow

209822/0640

is moved down, so that the socket part 36 is the extension nut 90 at the upper end of the guide rod 74- receives. If the lever 44 is pivoted further down, the spring 36 is compressed and the spring plate 80 is in Moved towards the top cap 87 up to the To widen the gap 84, as shown in Fig. 3, where the spring 86 is compressed to the maximum extent. According to FIG. 3, the cross bolt 92 at the lower end of the guide rod 74 prevents the annular filter section from sliding off 72 of the filter candle 70 from the guide eye 74. In the position shown in Figure 3, the filter candle is ready to be installed in a filter canister.

In Fig. 5 is a typical container in which the device can be used, shown and denoted by 100 as a whole. The container 100 can have a supplied, to take up a filtering stream which is filtered, whereupon the filtrate is discharged from the container. To this The purpose of the filter container is provided with an inlet 102 for the material to be filtered and an outlet 104 for the filtrate. The filter container 100 is formed as a generally cylindrical container made of steel or the like and comprises a upwardly convex upper end 106 and a downwardly convex bottom 108. The container is in an inflow zone 110 and a filtrate zone 112 divided by a downwardly convex tube wall 114, which is connected to the inner wall of the container is connected by welding or the like. The supply line 102 extends through the bottom 108 of the container and is in communication with inflow zone 110 so that all of the supplied flow is directly into the inflow zone 110 arrives. The supply line 102 is connected to the pipe wall 114 by welding or the like. That way is achieves that there is no direct connection between the inflow zone 110 and the filtrate zone 112. Of the Current supplied via supply line 102 is when entering

209822/0640

Distributed in the inflow zone 110 by a divider plate 116

According to FIG. 9, there are numerous in the inflow zone 110 Filter candles 70 arranged · The supplied current must pass the filter candles happen before it can get to the filtrate zone 112 to get out of the container 100 via the 'outlet line 104 to be delivered. The individual filter candles 70 are Installed in the filter container 100 via a manhole 118 or expanded from it. The manhole 118 is not with one Provided cover shown, which can be removed to make the interior of the filter container 100 accessible.

According to Pig. 7 and 9 is the Hohrwand 114 for; each in the Filter cartridge to be installed is provided with a seat arrangement 120. Each of these seating arrangements includes one short tube made of steel or the like, which protrudes through an opening in the tube wall 114 and is welded to the tube wall or the like is connected. The seat assembly 120 extends substantially parallel to the longitudinal axis of the filter container 100 and connects the inflow zone 110 with the filtrate zone 112.

Each seat assembly 120 includes a slotted filter element.

124 is arranged. According to FIG. 8, the slotted receiving part 122 two diametrically opposite slots 126 for receiving the cross bolt 92 on the lower End of the guide rod 74. The slotted receiving part 122 is also provided with an outwardly protruding one on both sides Pointer 127 provided. The pointers 127 are in alignment with the slots 126 and make it easier to get closer to one another illustrative way the introduction of a filter candle in the on nahineteil. According to FIGS. 6 and 7, the slotted receiving part 122 arc-shaped, upwardly convex sections 128. Then the filter candle 70 according to FIG. 6

209822/0640

has been inserted into the seat assembly 120, it is after moved downwards so that the cross bolt 92 at the lower end of the guide rod 74 passes the slots 126. As soon as this has happened, the guide rod 74 is rotated about its axis 90 ° into the one in Pig. 7 position shown rotated. Then the Spring 86 released in a manner to be described, so that the cross pin 92 to rest on the underside of the circular arc-shaped curved sections 128 is brought, to hold the filter candle 70 firmly in its position

In use, the device 10 for installing filter cartridges is first engaged in the manner described with a filter candle 70, i.e. as shown in Figs the Iragbock 22 is inserted with a wedge effect into the gap 84 between the spring plate 80 and the seat plate 76, and then the lever 44 is pivoted downward so that the The socket part 56 cooperates with the extension nut 90, around the spring 86 in the manner shown in FIG. 5 to squeeze.

Fig. 5 shows a typical system in which the filter container 100 is surrounded by concrete 130, and in which the enclosure made of concrete over the filter container with a opening 132 is provided. The operator stands on the

Bejbgn J3P and lower the filter candle through the hole

118 through into the container 100. Before the filter candle is inserted into the receiving or position determining part 122 is, the filter candle is rotated so that its cross pin 92 is aligned with the pointer 127 so that he can be passed down through the slots 126. Then the filter candle 70 is lowered to its lower end according to FIG 6 is inserted into the position determining part 122. lie Movement of the cross pin 92 through the slots 126 can readily be determined by the operator feeling that he is the guide rod 74 is moved downwards, then the Device 10 rotated by 90 ° to the cross bolt 92 below

209822/0640

to arrange the circular arc-shaped curved sections 128 of the receiving part 122, as in Pig. 7 is shown. Now the lever 44 is pivoted upwards, so that the Socket part 36 lifted up from the extension nut 90 to release the spring 86. Now the spring holds the cross bolt 92 in contact with the circular arc curved lower surfaces 128. To ensure that the filter candle 70 has been installed in the correct manner, it is advisable to apply an upward tensile force to the device at this point in time. Will this traction opposed to a resistance, the filter candle is installed in the correct way.

After installing the filter candle, the operator exerts a pulling force on the release handle 58 in order to move the release rod 52 to pivot so that the filter candle 70 of the Support bracket 22 is pushed down. If the handle 58 is released, the release rod 52 returns to its original position under the influence of the spring 60.

The working steps described above are repeated until within a certain row of filter cartridges have been installed in the desired number. According to FIG. 10, a rod-shaped spacer 134 is then used with

-_more.eren_in. Distances jv: ej ^ ilten_öffnun ^^^

Unscrew the lock nuts 90 of the filter candles that form a row sets to keep the filter candles in the correct position to each other. Hachdem in this way a group of filter candles has been installed, a cover plate 136 provided with openings is placed on the ends of the filter candles of the respective Group above the rod-shaped spacers 134 put on. These work steps are repeated until all of the filter candles have been installed in the container 100.

According to FIG. 7, the cover plates provided with openings 136 have been installed, is in the transverse bore 91

209822/0640

A removable bolt 138 is incorporated into each extension nut 90. These bolts prevent the cover plates 136 from being lifted off the filter candles 70. In addition, these apertured cover plates, which are provided with eyebolts 140 or the like, allow groups of filter candles to be removed from the container by remote actuation and transferred to another Place to bring. For this purpose it is only necessary to turn each extension nut 90 by 90 ° with the aid of a wrench so that the filter candles are disengaged from the seat assemblies 120.Then it is possible to remove groups of filter candles using the eye bolts 140 from the P container to highlight.

For any person skilled in the art it is obvious that the device described can also be used in connection with filter candles and / or may use seat assemblies whose construction differs from that shown in the drawings. For example, other constructions of filter candles and seat assemblies require the filter candles not to rotate, but to pivot them so that they can be brought into or out of engagement with the seat assemblies.

Claims

209827/0640

Claims (1)

PATENT CLAIMS Device for installing filter candles in a container, characterized by an elongated one Rod section (12) having a first end (14) and a second end (16), one opposite the first end of the Support device (18, 22) offset outwardly in the rod section, one for compressing one of a filter candle (70) associated spring (86) serving device (30, 38, 36), which is arranged above the support device and is adapted to cause movement generally parallel to the rod section, as well as by one of the second Means (44, 40) adjacent to the end of the rod section for moving the means for compressing the Feather. _2._ _ Apparatus according to claim 1, characterized by a device (58, 56, 54 · 52.) adjacent to the support device (18, 22) for releasing a filter candle (70) for pushing a filter candle down from the support device * 3 · Device according to claim 1 or 2, characterized by a handle (17) connected to the second end (16) of the rod section (12). 4. Device according to one of claims 1 to 3? through this characterized in that the means for compressing the spring associated with a filter candle (70) (86) comprises a beech part (36) which can be placed on the upper end of a central guide rod (74) of the filter candle. 5. Device according to one of claims 1 to 4, characterized in that the actuating device locking means (46, 50) for holding the Means (50, 36) for compressing the spring (86) in the position in which the spring is compressed 6. The device according to claim 1, characterized in that the support device is a support rod (18) which extends from the first end (14) of the rod section (12) to the outside, that with the free end of the support rod a after externally projecting support bracket (22) is connected that on the support rod a rod (30) for compressing the spring (86) between its ends is rotatably mounted in a plane parallel to the elongated rod section (12), that the rod for compressing the spring an end portion arranged above the support bracket, that with this end portion a bushing or receiving part (36) is connected which fits over the upper end of the central guide rod (74) of the filter element (70) so that the receiving part is so supported that e s Pivoting movements in the same plane ausfü can ren h as the rod to compress the spring, and that actuation means (44, 40) is provided which can be mitfcels which the bar is pivoted to compress the spring so that its free end above the supporting bracket moved along an arc of a circle and generally parallel to the elongated rod section 7. Apparatus according to claim 6, characterized in that a rod (52) for releasing a filter candle (70) near the support bracket (22) is rotatably mounted in this way 209822/0640 is that one end of this rod is in contact with the filter element can be brought to slide the filter element down from the support bracket. 8. Apparatus according to claim 7j, characterized in that the support bracket (22) has a general comprises wedge-shaped portion (26). 209822/0640