SE432580B - SPIRAL FORMED TRANSPORT FOR LINING OF CONVERTERS OR SIMILAR - Google Patents

Description

8203095-8 The present invention relates to a device for substantially root-corresponding which is significantly simpler and thereby less expensive than known devices and significantly less sensitive and safety-related more appealing than known devices. The number of handling steps is also so low.

The present invention thus relates to a device for transport of mainly wall materials, such as molded bricks, for lining sideboards, con- contractors, blast furnaces or the like, where the transport is intended to take place between a supply point, usually outside the converter or equivalent, and a place of consumption, such as a masonry station next to an inner wall, in the converter or equivalent and where the device comprises a height and submersible support means supporting a transport device for substantially vertical transport of material transferred to the transport device and where arrangements exist for transport to the place of consumption by means of said conveyor down-transported material and there a work platform is arranged to be supported at least by e.g. said support means.

The device according to The invention is particularly characterized in that said transport device consists of a substantially helical reel plate, gutter or counter corresponding to a substance known per se, a slide, performs material applied to an upper portion of said web is intended to slide da, which path is rotatably arranged about a substantially vertical axis, preferably around a vertically arranged lance or equivalent constituent the said support members, so that a lower and at a suitable height above the working the platform existing portion of the web, from which material is intended to be transferred to the place of consumption may be caused to ingest a any position in the converter or equivalent circumferential direction.

The invention is described in more detail below in connection with an embodiment pel and attached drawings, there Fig. 1 shows a view of a diagrammatically shown device according to invention- one mounted in a converter, Fig. 2 shows i.a. a feed conveyor intended to connect at the top to the right in Fig. 1, Fig. 3 shows a section A-A according to Fig. 1 through a joint between track sections according to. the invention, Fig. 4 shows a section B-B through a schematic and partly collapsing bar work platform as well Fig. 5 shows the platform part according to Fig. Å seen from above in Fig. Ä. 8203095-8 In Fig. 1, 1 denotes a converter which is being fed and which comprises a fixed bottom 2 and an upper mouth 3.

4 denotes a support member, which preferably consists of a lance Å or corresponding, which is intended to be lowered in the converter and is and submersibly arranged by means of devices of a per se known type, no shown, such as existing devices above the converter, intended to use used for maneuvering an oxygen-associated lance for the converter blowing or equivalent.

5 denotes a transport device for substantially vertical transport of material transferred to the transport device, which transport device consists of a substantially helical reel plate, gutter or equivalent, a slide, performing which material, applied to an upper portion 6 of said lane 5, is intended to slide.

For the supply of materials, such as molded bricks, are present in connection with a floor level 7 at the level of the mouth of the converter, a feed conveyor 8, Figs. 1 and 2. Material 9 is applied to the conveyor 8, for example, manually pallet 10. 11 denotes a cleaning lock through which the conveyor per 12 is referred to as a transfer device, such as a rotating table 12, arranged in connection with the conveyor 8 and the upper part 6 of the web 5, where wipers or the like are provided for transferring materials in a known manner to the device 12 and from the device 12 to the web 5.

The web 5 is arranged in a spiral shape around the lance Å and runs to a reading. give in connection with the lower part of the lance 13. At said lower part bears lance a work platform lä, which will be described in more detail later. According to. one for drawn embodiment, the web 5 opens by means of an end portion 15 on a from an operational point of view, the appropriate level above the work platform track 16, such as a roller track 16, is provided connecting to said end portion and preferably attached to said end portion, where said transfer path 16 is arranged for transporting material to a consumption point 17, a masonry station 17 and is hereby arranged to run between the end portion 15 and the place of consumption. Preferably, the transfer path 16 is articulated. at its end 18 adjoining the end portion, so that it is adjacent to the existing end 19, which is intended to, for example, by means of a support roller 20 or similar support on the wall crown 21, can be maintained on a determined level even if it is raised or lowered to the end portion 15 connecting end 18 and so that, for example, cardboard can be laid on the wall crest as dilatation material. 82U3095 ~ 8 According to. According to the invention, said web 5 is rotatably arranged around an essential vertical axis, so that a lower portion, said end portion 15 can bring take an optional position in the converter or equivalent circumferential direction ning. In the embodiment according to Fig. 1 hereby occupies the transmission path one corresponding position, which position is normally intended to connect to the point of consumption 17. To obtain said rotatability, the lance can 4 is rotatably arranged, for example by means of bearing 22 in connection with the platform lay, the web 5 being attached to the lance 4 and being caused to rotate. ra by means of the lance. The web 5 can also be stored attached to the lance, whereby the web can be rotated about the lance.

According to. a preferred embodiment, the web 5 is made up of sections 23 of seen to be arranged next to each other in height and connect to each other so that a continuous, helical path is formed and that the total path height can be varied by adding or removing sections in the closure to one end of the track as the point of consumption pushed vertically in the converter or equivalent. Suitable happens, at den i fíg. 1, supply or removal at baseline upper part, adjacent to the conveyor 8 existing portion.

Fig. 3 shows a possible design of attachment and storage of sectional ner 23. Around the lance Ä there is a stored bracket Zü arranged, at which an upper 26 and a lower 25 section 23 are intended to be arranged with partly flanges 27 and screw connections or correspondingly. Hereby.can each section 23 is intended to comprise a semi-cylindrical tube element 28, which ket runs between two adjacent mounts in height. At each element 28 there are, for example, two, an upper 29 and a lower 30, radially running support struts 29,10 arranged for supporting the web itself, where they dashed the struts 29.30 are located above the section plane.

The work platform lä is preferably of the "mountain type" and essentially part collapsible. In this case, the platform, Figures 4 and 5, comprise a number radially directed support arms 31 hingedly attached to a center portion 32 and built up of, for example, three sub-portions 33-35, where the outer 35 is inserted insertable in the middle 3fl, which in turn is insertable into it internal and where, for example, a telescopic cylinder 36 or equivalent is intended to operate between the outer portion 35 and a support piece where the inner portion 33 for displacing the portions 33-35 into and out of each other. By means of a cylinder 37 or equivalent, each arm 31 is folded up. bar to a position dashed shown in Fig. Å, where the portions 35.3Å are present 8203095-8 inserted in the portion 33. On top and between the arms 31 there are scales 38, floor elements 38, are arranged to be clearly transferred over adjacent horizontal scales 38, when the platform is folded. For reasons of space must some outer scales are removed to allow the platform to fold completely. At the outer end 39 of each arm 31 there are wheels than or corresponding to intended to run, if applicable, towards the inner shell surface Hi at the converter or equivalent.

In Fig. 1, 42 denotes an extension of the web 5, preferably in in the form of an additional device arranged in connection with the lower part 15 of the web 5 greater portion of helical path, for which extension is provided transport of materials to a level below the work platform, such as to the bottom of the converter 2.

The function of the device according to the invention should to an essential extent stated above.

The lance Ä and the platform 14 are suitably mounted ~ outside the converter, after which the lance with platform is placed and mounted over the converter The lance and the platform, which then occupy, are lowered folded position, step down into the converter, whereby the web is mounted section by section at the lance. A ladder # 3 is also conveniently mounted here telescope type. When the lance and platform are lowered to a suitable level, such as 3.5 m from a clean converter bottom, the platform can be fully extended and the runway 16 or equivalent is positioned. Preferably at the same time as the lance gradually lowered, the peripheral equipment, the conveyor 8, the transfer device 12 are mounted etc. at the converter mouth. Where applicable, extensions are also fitted. ningen H2.

When masonry is applied, material mate al shaped stone is applied to the call-off from the transport and is transferred to the track 5 and further up to the consumption station. let. Suitably there are devices for braking the stones before these reach the point of consumption, which devices may be exemplary the lower turns of the track, which for the purpose of not shown, but up- apparently performed with less pitch, inclination, than other turns of the nan. A brake lock or braked rollers or the like are also conceivable separately or in different combinations. If necessary, i.e. according to masonry a progress, the web 5 and thus the roller track 16 can be rotated and displaced circumferentially at the converter. The roller conveyor 16 is suitably provided with an extension can be shortened and shortened to adapt to the inner diameter of the converter. as the wall edge 21 is raised, the lance, the track 5 and the platform are also raised, 8203095-8 whereby level differences can be absorbed by the articulated attachment of the roller. lane 16. Suitably the lance and lane are raised in steps corresponding to a section 23 height so that one section at a time can be removed above the opening 3.

To lower material to the bottom 2, the web 5 is rotated to connect to the extension Å2.

Suitably there is also a communication equipment Oh marked in fig. 1 for communication between the point of consumption and the point of application, partly what equipment calls, receipt and registration of material can happen.

As will be apparent from the above description, the device constitutes a, compared to known devices, simple and thus cheap solution, then it is a matter of supplying a point of consumption in a converter or similar with mainly form bricks in a certain order under gentle treatment of the stones. Thus, the number of handling steps is few. Furthermore, the material the specific gravity of the vehicle for transport in the vertical direction.

The invention has been described above in connection with an exemplary embodiment.

Of course, more embodiments as well as minor changes and comp- letters are conceivable without departing from the spirit of the invention.

Thus, in order to facilitate rotation of the web 5, drive can be provided at the lance, if rotatably mounted, or the track 5. For illustration of the former case, a drive equipment # 5 has been marked in Fig. 1.

Furthermore, the peripheral equipment shown is adapted to the example shown and shall be adapted on a case-by-case basis.

For supporting the end portion 15 and the web 16, a support ring # 6 or correspondingly arranged at the platform, along which support ring # 6 the end portion and the track end 18 is displaceable.

Above, an embodiment of the device has been described, which is adapted to a converter 1 or equivalent with a fixed bottom. Of course can the device is adapted to a converter or equivalent with removal bare bottom. In this case, the support member with platform and spiral path 5 can be inserted from below through the bottom hole of the converter. Material can then be applied the web from a vertical conveyor, with which material is transported through the bottom. When possible, space-wise, etc. can also be material applied from above, whereby essentially the same farrangement as according to Fig. 1 is used, however, with the difference that platform etc. is supported from below. 8203095-8 Thus, the invention is not to be construed as limited to the above embodiments. but may be varied within the scope of the appended claims. na fam.

Claims (10)

8203095-8 Patent claims A device for transporting mainly wall material (9), such as molded bricks (9), for lining ladles, converters (i), blast furnaces or the like, where the transport is intended to take place between a supply point, usually outside the converter (1) or equivalent and a consumption point, such as a masonry station (17) next to an inner wall, in the converter or equivalent and wherein the device comprises a height-adjustable support member (Å) supporting a transport device (5) for substantially vertical transport of material transferred to the transport device (9) and where devices (15, 16) are present for forward transport to the place of consumption (17) of material conveyed by means of said conveyor (5) and where a work platform (14) is provided to be supported at least by e.g. said support means (4), characterized in that said transport device consists of a substantially helical reel plate (5), gutter (5) or the equivalent of a substantially known type, a slide (5), performs which material, applied to an upper portion (6) of said web (5) is intended to slide, which web (5) is rotatably arranged about a substantially vertical axis, preferably about a vertically arranged lance (Å) or equivalent constituting said support means, so that a lower and at a suitable height above the work platform (ih) present portion (15) of the web (5), from which material is intended to be transferred to the consumption frame (17), can be caused to assume a substantially optional position in the converter (1) or corresponding circumferential direction. 2. Device according to claim 1, characterized in that said lance (Ä) is arranged to be raised and lowered by means of existing devices above the converter (1), intended for maneuvering a lance associated with the converter for oxygen blowing or the like. 3. Device according to claim in or 2,, characterized in that said web (5) is built up of sections (23) intended to be arranged next to each other in height and connected to each other so that a continuous web (5) is formed and so that the height of the web can be varied by supplying or removing sections adjacent to one end of the track as the point of consumption (17) is displaced vertically in the converter (1) or equivalent. 8203095-8 4. Device according to claim 1, 2 or 3, characterized in that said devices for conveying material to the point of consumption (17) consist of an end portion (15) of the web (5) and an adjoining said end portion (15) and at said web (5), preferably at said end portion, attached transfer path (16), such as a roller track (16), arranged to run between said end portion (15) and the point of consumption (17). 5. Device according to claim Å, characterized in that said transfer path (16) is hingedly arranged at its end (18) adjoining said end portion (15) so that the end (19) of the transfer path (adjacent to the point of consumption) (17) 16) can be maintained at a certain level even if the end (18) connecting to the end portion (15) is raised or lowered when the helical path (5) is raised or lowered. 6. Device according to claim 2, 3, Ä or 5, characterized in that said lance (4) or the like is rotatably arranged and in that said path (S) is attached to the lance (Å) and thereby rotatable by means of the lance. 7. Device according to claim 2, 3, 4 or 5, characterized in that said web (5) is mounted attached to said lance (H) and hereby rotatably arranged around the lance. 8. Device according to claim 1, 2, 3, Å, 5, 6 or 7, characterized in that an extension (# 2) of said helical web (5) is present, preferably in the form of a lower part adjacent to the helical web (15) arranged further portion (Å2) of helical path (# 2), which extension (A2) is arranged for transporting material to a level below said working platform (lä), such as to the converter or corresponding housing (2L) 9. Device according to any of the preceding claims, characterized in that material carried out of the web (5) is intended to be braked before arrival at the point of consumption (17) by adjusting the pitch, inclination of the web, at least in the lower part of the web. 10. ~ Device according to any of the preceding claims, characterized in that for transferring said material (9) to the web (5) there is a rotatably arranged table (12) arranged in connection with the upper part (6) of the web, wherein scrapers or the like are provided for transferring material from a conveyor (8) to the table (12) and from the table (12) to the web (5) -