CN218638561U

CN218638561U - Molten iron casting ladle with slag removal function

Info

Publication number: CN218638561U
Application number: CN202223311969.XU
Authority: CN
Inventors: 连世海
Original assignee: Liuzhou Xinran Machinery Co ltd
Current assignee: Liuzhou Xinran Machinery Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-03-17
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a molten iron casting ladle with slagging-off function, include: a ladle nozzle is arranged on one side of the top of the ladle body; the deslagging box is arranged on one side, opposite to the ladle nozzle, in the ladle body, one side, adjacent to the inner wall of the ladle body, of the deslagging box extends upwards and is turned over to form a turned edge, the turned edge is clamped with the top of the ladle body, a filtering plate is arranged in the middle of the deslagging box, a through hole is formed in one side, away from the turned edge, of the bottom of the deslagging box, and a through hole door is hinged to the outer side of the through hole; one end of the bracket is fixedly connected with one side of the deslagging box far away from the flanging; the rotating shaft is vertically arranged above the bracket and is rotationally connected with the other end of the bracket; one end of the scraper is fixedly connected with the rotating shaft, and the other end of the scraper is contacted with the inner wall of the ladle body; wherein, the turn-ups's one side top surface and the top surface parallel and level of support are kept away from to the slagging-off case, and the bottom surface of scraper blade is less than the top surface of support, and the top surface middle part of support be equipped with the recess of the inside intercommunication of slagging-off case. The utility model has the advantages of good slag removal effect, small molten iron loss and the like.

Description

Molten iron casting ladle with slag removal function

Technical Field

The utility model relates to a ladle field. More specifically, the utility model relates to a molten iron casting ladle with slagging-off function.

Background

Before molten iron enters a converter for steelmaking, pretreatment desulfurization needs to be carried out, a large amount of iron slag is generated in the pretreatment desulfurization process, and the iron slag can cause adverse effects on product quality, so that slag removal treatment must be carried out on the molten iron. The existing deslagging device is generally arranged at a ladle nozzle of a ladle, such as CN210755148U, and realizes the separation of molten iron and iron slag in the process of pouring the molten iron, but the existing deslagging device has the following problems: 1. the pouring speed of the molten iron needs to be strictly controlled, otherwise, scum is easy to escape, and the deslagging effect is poor; 2. when the slag is removed, part of molten iron enters the diversion trench along with the iron slag, and the loss of the molten iron is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a molten iron casting ladle with slagging-off function to solve above-mentioned problem.

In order to realize the utility model discloses an aim and other advantages provide a molten iron casting ladle with slagging-off function, include: the ladle body is of a vertically arranged cylindrical structure, and a ladle nozzle is arranged on one side of the top of the ladle body; the slagging-off subassembly, it can dismantle locate ladle body with the relative one side of package mouth, the slagging-off subassembly includes: the deslagging box is arranged in the molten iron ladle body, one side of the deslagging box, which is adjacent to the inner wall of the molten iron ladle body, extends upwards and is turned over to form a turned edge, the turned edge is clamped with the top of the molten iron ladle body, a filtering plate is arranged in the middle of the deslagging box, one side of the bottom of the deslagging box, which is far away from the turned edge, is provided with a through hole, and the outer side of the through hole is hinged with a through hole door; the bracket is horizontally arranged, one end of the bracket is fixedly connected with one side of the deslagging box, which is far away from the flanging, and the other end of the bracket is suspended in the air; the rotating shaft is vertically arranged above the bracket and is rotationally connected with the other end of the bracket, and the rotating shaft and the ladle body are coaxially arranged; the scraping plate is vertically arranged along the radial direction of the rotating shaft, one end of the scraping plate is fixedly connected with the rotating shaft, and the other end of the scraping plate is contacted with the inner wall of the ladle body; the top surface of one side of the deslagging box, which is far away from the flanging, is flush with the top surface of the support, the bottom surface of the scraping plate is lower than the top surface of the support, and a groove communicated with the inner part of the deslagging box is arranged in the middle of the top surface of the support along the radial direction of the ladle body.

Preferably, the molten iron casting ladle with slagging-off function, the support includes backup pad and support column, the backup pad is the isosceles triangle that the level set up, just the base of backup pad with the slagging-off case is kept away from turn-ups one side rigid coupling, the top surface of backup pad is equipped with the recess, the support column slope is located the below of backup pad, just the upper end of support column with the unsettled one end rigid coupling of backup pad, the lower extreme with the slagging-off case is kept away from turn-ups one side rigid coupling.

Preferably, the molten iron casting ladle with the deslagging function comprises a first expansion plate and a second expansion plate; the first retractable plate comprises a first fixed plate and a first movable plate, one end of the first fixed plate is fixedly connected with the rotating shaft, a first mounting groove with a downward opening is formed in the first fixed plate along the length direction of the first fixed plate, the first movable plate is arranged below the first fixed plate, and the upper portion of the first movable plate extends into the first mounting groove and is fixedly connected with the top surface of the first mounting groove through a plurality of first elastic pieces; the second expansion plate includes second fixed plate and second fly leaf, the second fixed plate with the other end rigid coupling of first fixed plate, the second fixed plate is kept away from the one end of first fixed plate is equipped with the second mounting groove, the one end of second fly leaf stretches into in the second mounting groove and move the second elastic component with the second mounting groove is close to one side rigid coupling of first fixed plate.

Preferably, in the molten iron casting ladle with the deslagging function, the bottom surface of the first movable plate and the end surface of the free end of the second movable plate are both convex cambered surfaces.

Preferably, the molten iron casting ladle with deslagging function, one side of the supporting plate is provided with a barrier strip along the length direction, one side of the barrier strip adjacent to the groove is an inclined plane, and the top surface of the barrier strip is located below the first fixing plate.

Preferably, the molten iron casting ladle with the slag removal function, the turning edge is provided with a plurality of screw holes at intervals along the circumferential direction, and the screw holes are internally provided with bolts matched with the screw holes.

Preferably, the bottom of the through hole door is fixedly provided with a balancing weight.

Preferably, the molten iron casting ladle with the deslagging function is provided with a hexagonal groove in the middle of the top surface of the rotating shaft.

The utility model discloses at least, include following beneficial effect:

the utility model discloses a set up the slagging-off subassembly by the slagging-off case in ladle body one side relative with the package mouth, and the filter is set up in the inside of slagging-off case, the bottom sets up the through-hole, the outside of through-hole sets up the through-hole door, make ladle body top layer scum can be scraped into the slagging-off incasement along with the molten iron by pivoted scraper blade together, and realize the separation under the effect of filter, it is effectual to remove the gred-off, and the molten iron after the separation is when empting the molten iron, can get into the molten iron package again through the through-hole again originally internally, realize the molten iron and retrieve, the molten iron loss is little.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic cross-sectional view of a ladle according to an embodiment of the present invention;

FIG. 2 is a schematic top view of a ladle according to an embodiment of the present invention;

FIG. 3 is a schematic sectional view of the scraper and the supporting plate according to another embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of another end of the squeegee according to another embodiment of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the utility model provides a molten iron casting ladle with deslagging function, include: the ladle comprises a ladle body 1 which is of a vertically arranged cylindrical structure, wherein a ladle nozzle 2 is arranged on one side of the top of the ladle body 1; the slagging-off subassembly, it can dismantle locate ladle body 1 with the relative one side of package mouth 2, the slagging-off subassembly includes: the deslagging box 3 is arranged in the foundry ladle body 1, one side of the deslagging box 3, which is adjacent to the inner wall of the foundry ladle body 1, extends upwards and is turned over to form a turned edge 4, the turned edge 4 is clamped with the top of the foundry ladle body 1, a filter plate 5 is arranged in the middle of the deslagging box 3, a through hole 6 is arranged at one side of the bottom, which is far away from the turned edge 4, and a through hole door 7 is hinged to the outer side of the through hole 6; the bracket is horizontally arranged, one end of the bracket is fixedly connected with one side of the deslagging box 3 away from the flanging 4, and the other end of the bracket is suspended in the air; the rotating shaft 8 is vertically arranged above the bracket and is rotatably connected with the other end of the bracket, and the rotating shaft 8 is coaxial with the ladle body 1; the scraping plate 9 is vertically arranged along the radial direction of the rotating shaft 8, one end of the scraping plate 9 is fixedly connected with the rotating shaft 8, and the other end of the scraping plate 9 is contacted with the inner wall of the ladle body 1; the top surface of one side of the deslagging box 3, which is far away from the flanging 4, is flush with the top surface of the support, the bottom surface of the scraper plate 9 is lower than the top surface of the support, and a groove 10 communicated with the inner part of the deslagging box 3 is arranged in the middle of the top surface of the support along the radial direction of the ladle body 1.

Among the above-mentioned embodiment, molten iron casting bag with slagging-off function, including ladle body and slagging-off subassembly, the ladle body is the cylinder structure of vertical setting, and its top one side is equipped with a package mouth, and the slagging-off subassembly is located one side relative with a package mouth of ladle body, and the slagging-off subassembly just can be dismantled with ladle body components of a whole that can function independently setting up and be connected, consequently, need not to improve current ladle body, and it can directly to install the slagging-off subassembly additional. The deslagging assembly comprises a deslagging box, a bracket, a rotating shaft and a scraper. The deslagging box is arranged in the ladle body, preferably above the inner part of the ladle body, so as to reduce the occupation of the inner space of the ladle body; the side wall of the deslagging box is formed by encircling an arc-shaped side wall and a plane side wall, the arc-shaped side wall is matched with the radian of the inner wall of the ladle body, the arc-shaped side wall extends upwards and is turned over to form a turned edge, and the deslagging box is clamped with the top of the ladle body through the turned edge so that the deslagging box is fixed in the ladle body; the middle part of the deslagging box is provided with a filter plate, and the filter plate is used for filtering molten iron entering the deslagging box to realize the separation of the molten iron and the iron slag; the bottom of the plane side wall of the deslagging box is provided with a through hole, the outer side of the through hole is hinged with a through hole door, and preferably, the top of the through hole door is hinged with the plane side wall above the through hole, so that the through hole door is automatically opened when molten iron is poured, and the molten iron in the deslagging box enters the molten iron ladle body again through the through hole. The outside of slagging-off case is located along the radial level of ladle body to the support, the one end of support and the top fixed connection of the plane lateral wall of slagging-off case, and the other end is unsettled, the top surface of support and the top surface parallel and level of plane lateral wall, the top surface middle part of support be equipped with the recess of the inside intercommunication of slagging-off case, more excellent, the degree of depth of recess is crescent by the other end of support to the one end of support. The pivot is vertical to be set up in the top of support, and the lower extreme of pivot passes through the bearing to be connected with the top surface rotation of the other end of support, and the top surface of upper end protrusion ladle body, and pivot and the coaxial setting of ladle body. The scraping plates are vertically arranged along the radial direction of the ladle body, one ends of the scraping plates are fixedly connected with the rotating shaft, the other ends of the scraping plates are in contact with the inner wall of the ladle body, the bottom surfaces of the scraping plates are lower than the top surface of the support by 3-10mm, the scraping plates rotate around the axis of the ladle body under the driving of the rotating shaft, and the iron slag on the surface of the molten iron is scraped into the slag removal box along with the molten iron.

During the use, the liquid level of molten iron and the top surface parallel and level of support drive the scraper blade through the pivot and rotate, will be located the molten iron on top layer and the scum and scrape into the slagging-off incasement together, contain the sediment molten iron and pass through the filter plate again, realize the separation, the scum is stayed on the filter, and the molten iron falls into the slagging-off incasement of filter below, and when empting the molten iron, the through-hole door is opened, and the molten iron in the slagging-off incasement is through the through-hole reentrant molten iron ladle originally internally, realizes the recovery to the molten iron.

In another embodiment, as shown in fig. 1, 2, and 3, the molten iron casting ladle with slag removal function, the support includes a supporting plate 11 and a supporting pillar 12, the supporting plate 11 is a horizontally disposed isosceles triangle, the bottom side of the supporting plate 11 is fixedly connected to one side of the slag removal box 3 away from the flange 4, the top surface of the supporting plate 11 is provided with the groove 10, the supporting pillar 12 is obliquely disposed below the supporting plate 11, the upper end of the supporting pillar 12 is fixedly connected to one suspended end of the supporting plate 11, and the lower end of the supporting pillar is fixedly connected to one side of the slag removal box 3 away from the flange 4.

In the above embodiment, the support includes the support plate and the support column. The backup pad is the isosceles triangle that the level set up, and the base lateral wall of backup pad and the planar side wall fixed connection of slagging-off case, the top surface of backup pad are equipped with the recess, and the length direction of recess sets up along the base central line of backup pad to communicate with the slagging-off case. The support column is obliquely arranged below the bottom side center line of the support plate, the upper end of the support column is fixedly connected with the suspended end of the support plate, and the lower end of the support column is fixedly connected with the planar side wall of the deslagging box. Through the arrangement, each side surface of the support forms a triangular stable support, so that the stability of the support is improved.

In another embodiment, as shown in fig. 3 and 4, the molten iron casting ladle with the slag removing function, the scraping plate 9 comprises a first expansion plate and a second expansion plate; the first retractable plate comprises a first fixed plate 13 and a first movable plate 14, one end of the first fixed plate 13 is fixedly connected with the rotating shaft 8, a first installation groove 15 with a downward opening is formed in the first fixed plate 13 along the length direction of the first fixed plate, the first movable plate 14 is arranged below the first fixed plate 13, and the upper part of the first movable plate 14 extends into the first installation groove 15 and is fixedly connected with the top surface of the first installation groove 15 through a plurality of first elastic members 16; the second expansion plate includes second fixed plate 17 and second fly leaf 18, second fixed plate 17 with the other end rigid coupling of first fixed plate 13, second fixed plate 17 keeps away from the one end of first fixed plate 13 is equipped with second mounting groove 19, the one end of second fly leaf 18 stretches into in the second mounting groove 19 and move second elastic component 20 with second mounting groove 19 is close to one side rigid coupling of first fixed plate 13.

In the above embodiment, the scraper includes a first expansion plate and a second expansion plate, the first expansion plate can extend and retract along a vertical direction, the second expansion plate can extend and retract along a horizontal direction, and the second expansion plate is disposed at an end of the first expansion plate away from the rotating shaft, and has a length of 1-3cm. Preferably, first expansion plate includes first fixed plate and first fly leaf, the one end and the pivot rigid coupling of first fixed plate, and the inside of first fixed plate is equipped with first mounting groove along its length direction, and the opening of first mounting groove is down, and the upper portion of first fly leaf slides and locates in the first mounting groove to through the first elastic component of vertical setting and the top surface rigid coupling of first mounting groove, first elastic component can be spring or shell fragment. The second expansion plate includes second fixed plate and second fly leaf, the second fixed plate sets up along the length direction of first fixed plate, and with the other end fixed connection of first fixed plate, it is further, but first fixed plate and second fixed plate integrated into one piece, the one end that first fixed plate was kept away from to the second fixed plate is equipped with the second mounting groove, the one end of second fly leaf slides and locates in the second mounting groove and be close to one side rigid coupling of first fixed plate through the second elastic component that the level set up and second mounting groove, the second elastic component also can be spring or shell fragment. Through setting up the scraper blade into to constitute by first expansion plate and second expansion plate to make the scraper blade have certain deformability, can stride across the hindrance of slagging-off case lateral wall and backup pad at the rotation in-process, realize 360 rotations, in order to further improve the slagging-off effect.

In another embodiment, as shown in fig. 3 and 4, in the ladle with slag removal function, the bottom surface of the first movable plate 14 and the free end surface of the second movable plate 18 are both convex cambered surfaces, so as to further reduce the obstruction of the side wall of the slag removal box and the supporting plate to the scraper during rotation, and make the rotation of the scraper smoother.

In another embodiment, as shown in fig. 2 and 3, one side of the supporting plate 11 is provided with a blocking strip 21 along the length direction thereof, one side of the blocking strip 21 adjacent to the groove 10 is an inclined surface, and the top surface of the blocking strip 21 is located below the first fixing plate 13. Specifically, as shown in fig. 2, when the squeegee is rotated counterclockwise about the rotary shaft, the barrier ribs are provided on the front side of the support plate. Here, through setting up the blend stop and injecing its structure to when making the scraper blade rotatory, the blend stop can block the molten iron that gets into the backup pad top surface, makes the molten iron flow into in the slagging-off case through the recess, and simultaneously, the blend stop inclined plane can extrude the second fly leaf, makes the second fly leaf retract in the second mounting groove, strides across the hindrance of blend stop, realizes that the scraper blade revolves 360 rotations of pivot.

In another embodiment, as shown in fig. 1 and 2, in the ladle with slag removal function, the flange 4 is provided with a plurality of screw holes at intervals along the circumferential direction, and the screw holes are internally provided with bolts 22 matched with the screw holes. Through rotatory bolt, make the outer wall butt of bolt and ladle body, the realization will remove the cinder box and fix on the ladle body.

In another embodiment, as shown in fig. 1, in the molten iron casting ladle with slag removal function, a counterweight 23 is fixedly arranged at the bottom of the through hole door 7, so that the through hole door is tightly closed in a vertical state, and molten iron in the molten iron ladle body is prevented from entering the slag removal tank through the through hole.

In another embodiment, as shown in fig. 1 and 2, in the ladle with slag removal function, a hexagonal groove 24 is formed in the middle of the top surface of the rotating shaft 8. The hexagonal recess can be connected with the outside supporting drive post of taking the hexagonal spanner, and when the drive pivot was rotatory, in inserting the hexagonal spanner on the drive post hexagonal recess, through the rotation drive post, it is rotatory to drive the pivot, the operation of being convenient for.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. The application, modification and variation of the ladle having the slag removing function of the present invention will be apparent to those skilled in the art.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. Molten iron casting ladle with slagging-off function, its characterized in that includes:

the ladle body is of a vertically arranged cylindrical structure, and a ladle nozzle is arranged on one side of the top of the ladle body;

the slagging-off subassembly, it can dismantle locate ladle body with the relative one side of package mouth, the slagging-off subassembly includes: the deslagging box is arranged in the molten iron ladle body, one side of the deslagging box, which is adjacent to the inner wall of the molten iron ladle body, extends upwards and is turned over to form a turned edge, the turned edge is clamped with the top of the molten iron ladle body, a filtering plate is arranged in the middle of the deslagging box, one side of the bottom of the deslagging box, which is far away from the turned edge, is provided with a through hole, and the outer side of the through hole is hinged with a through hole door; the bracket is horizontally arranged, one end of the bracket is fixedly connected with one side of the deslagging box, which is far away from the flanging, and the other end of the bracket is suspended in the air; the rotating shaft is vertically arranged above the bracket and is rotatably connected with the other end of the bracket, and the rotating shaft and the ladle body are coaxially arranged; the scraping plate is vertically arranged along the radial direction of the rotating shaft, one end of the scraping plate is fixedly connected with the rotating shaft, and the other end of the scraping plate is contacted with the inner wall of the ladle body; wherein,

the slag removing box is far away from the top surface of one side of the flanging and is flush with the top surface of the support, the bottom surface of the scraper is lower than the top surface of the support, and a groove communicated with the inside of the slag removing box is formed in the middle of the top surface of the support along the radial direction of the ladle body.

2. The molten iron casting ladle with the slag removing function according to claim 1, wherein the support comprises a support plate and a support pillar, the support plate is a horizontally arranged isosceles triangle, the bottom edge of the support plate is fixedly connected with one side, away from the flanging, of the slag removing box, the groove is formed in the top surface of the support plate, the support pillar is obliquely arranged below the support plate, the upper end of the support pillar is fixedly connected with the suspended end of the support plate, and the lower end of the support pillar is fixedly connected with one side, away from the flanging, of the slag removing box.

3. The ladle according to claim 2, wherein the scraping plate includes a first extension plate and a second extension plate; the first retractable plate comprises a first fixed plate and a first movable plate, one end of the first fixed plate is fixedly connected with the rotating shaft, a first mounting groove with a downward opening is formed in the first fixed plate along the length direction of the first fixed plate, the first movable plate is arranged below the first fixed plate, and the upper portion of the first movable plate extends into the first mounting groove and is fixedly connected with the top surface of the first mounting groove through a plurality of first elastic pieces; the second expansion plate includes second fixed plate and second fly leaf, the second fixed plate with the other end rigid coupling of first fixed plate, the second fixed plate is kept away from the one end of first fixed plate is equipped with the second mounting groove, the one end of second fly leaf stretches into in the second mounting groove and move the second elastic component with the second mounting groove is close to one side rigid coupling of first fixed plate.

4. The ladle according to claim 3, wherein the bottom surface of the first movable plate and the free end surface of the second movable plate are both convex curved surfaces.

5. The ladle according to claim 4, wherein a stopper is provided on one side of the supporting plate along the length direction thereof, the stopper is inclined on the side adjacent to the groove, and the top surface of the stopper is located below the first fixing plate.

6. The ladle according to claim 1, wherein the flange has a plurality of screw holes circumferentially spaced along the flange, and the screw holes have bolts engaged therewith.

7. The ladle according to claim 1, wherein a weight member is fixed to the bottom of the through-hole door.

8. The ladle according to claim 1, wherein a hexagonal recess is formed in the middle of the top surface of the shaft.