CN210523808U - Heat-preservation steel containing barrel - Google Patents

Heat-preservation steel containing barrel Download PDF

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Publication number
CN210523808U
CN210523808U CN201920835493.9U CN201920835493U CN210523808U CN 210523808 U CN210523808 U CN 210523808U CN 201920835493 U CN201920835493 U CN 201920835493U CN 210523808 U CN210523808 U CN 210523808U
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CN
China
Prior art keywords
steel
layer
plate
reinforcing
box hat
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Expired - Fee Related
Application number
CN201920835493.9U
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Chinese (zh)
Inventor
陈亚团
代海军
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Gansu Jiu Steel Group Hongxing Iron and Steel Co Ltd
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Gansu Jiu Steel Group Hongxing Iron and Steel Co Ltd
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Priority to CN201920835493.9U priority Critical patent/CN210523808U/en
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Publication of CN210523808U publication Critical patent/CN210523808U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a flourishing steel drum keeps warm belongs to steelmaking device technical field, and the flourishing steel drum that keeps warm includes that inlayer box hat and symmetry set up the gudgeon on the inlayer box hat outer wall, still be equipped with a plurality of deep floor and enhancement keel board on the outer wall of inlayer box hat, deep floor is the ring form cover and locates on the inlayer box hat, deep floor all is parallel with the cross section of inlayer box hat, and the enhancement keel board is the axle of inlayer box hat, and radial vertical setting is on the outer wall of inlayer box hat, and the upper and lower both ends of enhancement keel board are connected with two adjacent deep floor respectively, set up outer box hat between two adjacent deep floor respectively, and the outside of enhancement keel board is located to outer box hat cover, sets up the flame retardant coating between inlayer box hat and the outer box hat. The utility model has better heat preservation effect, small temperature fluctuation of the lining refractory material and long service life of the refractory material; the structure rigidity is good, the safety and the reliability are realized, and the overhaul and the maintenance are convenient; the heat insulation material is cheap and easy to obtain, and is convenient to lay; the positive result brought by good heat preservation effect.

Description

Heat-preservation steel containing barrel
Technical Field
The utility model belongs to the technical field of steelmaking device, concretely relates to heat preservation steel ladle.
Background
At present, a steel containing barrel for loading molten steel in a steel-making production line is mostly of a single-layer steel shell structure, and a permanent layer and a working layer are arranged inside the steel-making production line. The working layer is of a knotting type and also of a magnesia carbon brick masonry type. The heat preservation effect of the steel ladle is not ideal, and the temperature drop of the molten steel is large. In order to improve the heat insulation effect of the ladle, part of enterprises improve the permanent layer and adopt high-grade light refractory fibers or even nano fiber materials. The ladle improved by the mode has a certain improvement on the heat preservation effect, but is still not ideal. And the price of the high-grade refractory fiber is higher, the high-grade refractory fiber needs to be replaced when each service period expires, and the cost is higher if all the steel ladles in the working procedure are replaced once.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat preservation steel ladle to solve the above-mentioned problem.
In order to achieve the above object, the utility model discloses a technical scheme be:
the utility model provides a flourishing steel drum keeps warm, includes inlayer box hat and the trunnion of symmetry setting on inlayer box hat outer wall, still be equipped with a plurality of deep floor and enhancement keel board on the outer wall of inlayer box hat, deep floor is the ring form cover and locates on the inlayer box hat, deep floor all is parallel with the cross section of inlayer box hat, the axis of inlayer box hat is the axle for the enhancement keel board, radial vertical setting is on the outer wall of inlayer box hat, the upper and lower both ends of enhancement keel board are connected with two adjacent deep floor respectively, set up outer box hat between two adjacent deep floor respectively, the outside of enhancement keel board is located to outer box hat cover, set up the flame retardant coating between inlayer box hat and the outer box hat.
The outer steel shell comprises two semi-cylindrical steel plates which are symmetrically arranged, butt plates are arranged at two ends of each semi-cylindrical steel plate respectively, and a plurality of screw holes which correspond to each other are formed in the butt plates of the two semi-cylindrical steel plates respectively.
The inner ring of the reinforcing rib plate is attached to the outer wall of the inner-layer steel shell, and the outer ring of the reinforcing rib plate exceeds the outer wall of the outer-layer steel shell.
One side of the reinforcing keel plate is attached to the outer wall of the inner-layer steel shell, and the other side of the reinforcing keel plate is attached to the inner wall of the outer-layer steel shell.
The reinforcing rib plate is provided with four layers for separating the inner-layer steel shell into three layers, four reinforcing keel plates are uniformly arranged on the outer wall of each inner-layer steel shell, and the upper keel plate and the lower keel plate are on the same vertical plane.
The trunnion is arranged on the second layer of the inner-layer steel shell, and the outer side of the reinforced keel plate on the layer is provided with the outer-layer steel shell of the trunnion.
The bilateral symmetry of gudgeon sets up the gudgeon reinforcing plate, and one side of gudgeon reinforcing plate and the outer wall laminating of inlayer steel casing, the width of gudgeon reinforcing plate equals or is greater than the width of strengthening the keel board.
Work as the width of gudgeon reinforcing plate equals the width of strengthening the keel board, and gudgeon layer steel casing sets up two semi-cylindrical steel sheets including the symmetry, and the both ends of semi-cylindrical steel sheet set up the butt joint board respectively, and semi-cylindrical steel sheet and butt joint board set up the through-hole with the position of gudgeon contact and are used for wearing to establish the gudgeon, set up a plurality of screw that correspond each other on the butt joint board of two semi-cylindrical steel sheets respectively.
Work as the width of gudgeon reinforcing plate is greater than the width of strengthening the keel board, sets up a plurality of screws on the gudgeon reinforcing plate, and the outer shell-and-hat of gudgeon layer sets up two arc tube-shape steel sheets including the symmetry, and the both ends of arc tube-shape steel sheet set up the butt joint plate respectively, are equipped with a plurality of screws on the butt joint plate, and the butt joint plate of two arc tube-shape steel sheets is connected with the gudgeon reinforcing plate respectively.
And at least one layer of fire-resistant layer is arranged between the inner layer steel shell and the outer layer steel shell.
The utility model discloses compare in prior art's beneficial effect do:
the utility model discloses a set up annular deep floor on the inlayer box hat and erect the enhancement keel board that sets up and guarantee structural rigidity, deep floor can prevent outer box hat vertical drunkenness, strengthens keel board and outer box hat contact, and the holding power through outside ejecting production and the frictional force between the outer box hat can have the spacing of certain degree to outer box hat, reduces outer box hat circumferencial direction drunkenness to it is firm fixed to make outer box hat.
The outer steel shell is composed of a plurality of (at least three) groups of semi-cylindrical and/or arc cylindrical steel plates, belongs to an attached steel structure, and is provided with a butt plate and a screw hole at the butt joint position so as to facilitate bolt connection or suture connection by using wires. The outer steel shell has the effect that an air gap is formed between the inner steel shell and the outer steel shell and the light fire-resistant layer is closed, the light fire-resistant layer can be fluffy fire-resistant fibers with low heat conductivity coefficient, air with lower heat conductivity coefficient is arranged in fiber gaps, the fire-resistant fibers can fix the air between the double-layer steel shells to prevent the air from flowing, and therefore the heat preservation effect of the air is maximized. The fireproof layer and the outer steel shell can play a certain buffering role on bleed-out, so that the situation of molten steel spraying in a short time is avoided, and the emergency treatment is facilitated. After the steel containing barrel of the breakout is cooled, the outer layer steel shell is convenient to disassemble, the manufacturing cost is low, and the steel containing barrel is convenient to repair.
Compared with the prior art, the invention has the following beneficial effects:
(1) the heat preservation effect is better, the temperature fluctuation of the lining refractory is small, and the service life of the refractory is long;
(2) the structure rigidity is good, the safety and the reliability are realized, and the overhaul and the maintenance are convenient;
(3) the heat insulation material is cheap and easy to obtain, and is convenient to lay;
(4) the positive achievement brought by good heat preservation effect is as follows: the tapping temperature of the converter or the electric furnace can be reduced, the consumption of working procedure refractory materials is reduced, the consumption of alloy is reduced, the energy consumption of the working procedure is reduced, and the increase of the scrap steel ratio by adding the steel into the furnace or out of the furnace is facilitated.
The utility model discloses heat preservation effect is excellent, low cost, preparation are simple and convenient, safe and reliable, convenient high-efficient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an outer steel shell of the present invention;
FIG. 3 is a cross-sectional view of the second layer of the steel shell of the inner layer of the present invention (showing the trunnion);
FIG. 4 is a frame structure consisting of a trunnion reinforcing plate and upper and lower reinforcing rib plates according to the present invention;
FIG. 5 is a schematic view of a direct-fill insulation mode in which the refractory layer is a fluffy refractory fiber;
FIG. 6 is a schematic view showing a mode of thermal insulation in which a refractory layer is a refractory fiber thin layer;
the reference numerals have the following meanings: 1. an inner steel shell; 2. reinforcing rib plates; 3. reinforcing the keel plate; 4. an outer steel shell; 5. a semi-cylindrical steel plate; 6. a butt plate; 7. a screw hole; 8. a trunnion; 9. a trunnion layer outer layer steel shell; 10. a trunnion reinforcing plate; 11. an arc-shaped cylindrical steel plate; 12. a refractory layer; 13. a base; 14. refractory cotton pads or blocks; 15. a thin layer of refractory fiber; 16. an air gap.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1-4, a heat-insulating steel ladle comprises an inner steel shell and trunnions symmetrically arranged on the outer wall of the inner steel shell, wherein a plurality of reinforcing rib plates 2 and reinforcing keel plates 3 are further arranged on the outer wall of the inner steel shell 1, the reinforcing rib plates 2 are annularly sleeved on the inner steel shell 1, the reinforcing rib plates 2 are parallel to the cross section of the inner steel shell 1, the reinforcing keel plates 3 are axially arranged on the inner steel shell 1, the reinforcing keel plates are radially and vertically arranged on the outer wall of the inner steel shell 1, the upper ends and the lower ends of the reinforcing keel plates 3 are respectively connected with two adjacent reinforcing rib plates 2, outer steel shells 4 are respectively arranged between two adjacent reinforcing rib plates 2, the outer steel shells 4 are sleeved on the outer sides of the reinforcing keel plates 3, and fire-resistant layers 12 are arranged between the inner steel shell 1 and the outer steel shell 4.
The outer steel shell 4 comprises two semi-cylindrical steel plates 5 which are symmetrically arranged, butt joint plates 6 are respectively arranged at two ends of each semi-cylindrical steel plate 5, and a plurality of screw holes 7 which correspond to each other are respectively arranged on the butt joint plates 6 of the two semi-cylindrical steel plates 5.
The inner ring of the reinforcing rib plate 2 is attached to the outer wall of the inner-layer steel shell 1, and the outer ring of the reinforcing rib plate 2 exceeds the outer wall of the outer-layer steel shell 4.
One side of the reinforcing keel plate 3 is attached to the outer wall of the inner steel shell 1, and the other side of the reinforcing keel plate is attached to the inner wall of the outer steel shell 4.
The reinforcing rib plate 2 is provided with four layers for separating the inner-layer steel shell 1 into three layers, four reinforcing keel plates 3 are uniformly arranged on the outer wall of each inner-layer steel shell 1, and the reinforcing keel plates 3 of the upper layer and the lower layer are all on the same vertical plane.
The trunnion 8 is arranged on the second layer of the inner steel shell 1, and the outer steel shell 9 of the trunnion layer is arranged outside the reinforced keel plate 3 of the layer.
Trunnion reinforcing plates 10 are symmetrically arranged on two sides of the trunnion 8, one side of each trunnion reinforcing plate 10 is attached to the outer wall of the inner steel shell 1, and the width of each trunnion reinforcing plate 10 is equal to or larger than that of the reinforcing keel plate 3.
The width of gudgeon reinforcing plate 10 equals the width of strengthening keel board 3, and gudgeon layer outer steel-shell 9 sets up two semi-cylindrical steel sheets 5 including the symmetry, and semi-cylindrical steel sheet 5's both ends set up respectively butt plate 6, and semi-cylindrical steel sheet 5 sets up the through-hole with the position of gudgeon 8 contact with butt plate 6 and be used for wearing to establish the gudgeon, sets up a plurality of screw 7 that correspond each other on two semi-cylindrical steel sheet 5's the butt plate 6 respectively.
The width of gudgeon reinforcing plate 10 is greater than the width of strengthening keel board 3, sets up a plurality of screw 7 on the gudgeon reinforcing plate 10, and outer steel casing 9 in gudgeon layer sets up two arc tube-shape steel sheets 11 including the symmetry, and the both ends of arc tube-shape steel sheet 11 set up butt-joint plate 6 respectively, are equipped with a plurality of screw 7 on butt-joint plate 6, and butt-joint plate 6 of two arc tube-shape steel sheets 11 is connected with gudgeon reinforcing plate 10 respectively.
At least one layer of fire-resistant layer 12 is arranged between the inner steel shell 1 and the outer steel shell 4.
And a base 13 is arranged below the lowest layer of reinforcing rib plate 2.
Wherein the inlayer box hat is basic steel construction, with the preparation of stainless steel thick steel board, interior external surface all is comparatively crude, and interior roughness has not been convenient for inside permanent layer build by laying bricks or stones, and the external surface is rough is convenient for refractory fiber's the adhesion and reduces the external heat radiation.
The outer steel shell is made of stainless steel with low heat conductivity coefficient, the inner surface is smooth, the inner surface of the outer steel shell is smooth, radiant heat can be reflected to the inner layer to the maximum extent, and the heat preservation effect is further enhanced.
At least one layer of fire-resistant layer is arranged between the inner steel shell 1 and the outer steel shell 4, and the fire-resistant layer 12 is filled by two methods:
(1) as shown in figure 5, a fire-resistant layer 12 is directly arranged on the outer surface of the inner steel shell 1, and the fire-resistant layer 12 is directly hung and applied on the outer surface of the inner steel shell 1 by a loose fire-resistant cotton pad or cotton block 14 and then buckled and installed on the outer steel shell.
(2) As shown in figure 6, the fire-resistant layer 12 between the inner steel shell 1 and the outer steel shell 4 is provided with two layers, namely, a thin layer 15 of fire-resistant fiber is respectively embedded on the outer surface of the inner steel shell 1 and the inner surface of the outer steel shell 4, so that a thicker air gap 16 is formed between the inner steel shell and the outer steel shell.

Claims (10)

1. The utility model provides a flourishing steel drum keeps warm, includes inlayer box hat and the trunnion of symmetry setting on the inlayer box hat outer wall, its characterized in that: still be equipped with a plurality of deep floor (2) and deep keel board (3) on the outer wall of inlayer steel casing (1), deep floor (2) are the ring form cover and locate on inlayer steel casing (1), deep floor (2) all are parallel with the cross section of inlayer steel casing (1), deep keel board (3) are the axle with the axis of inlayer steel casing (1), radial vertical setting is on the outer wall of inlayer steel casing (1), the upper and lower both ends of deep keel board (3) are connected with two adjacent deep floor (2) respectively, set up outer steel casing (4) between two adjacent deep floor (2) respectively, the outside of deep keel board (3) is located to outer steel casing (4) cover, set up flame retardant coating (12) between inlayer steel casing (1) and outer steel casing (4).
2. The insulated ladle of claim 1 wherein: outer box hat (4) set up including the symmetry two semicylindrical steel sheet (5), and the both ends of semicylindrical steel sheet (5) set up buttcover plate (6) respectively, set up a plurality of screw (7) that correspond each other on buttcover plate (6) of two semicylindrical steel sheet (5) respectively.
3. The insulated ladle according to claim 1 or 2, wherein: the inner ring of the reinforcing rib plate (2) is attached to the outer wall of the inner-layer steel shell (1), and the outer ring of the reinforcing rib plate (2) exceeds the outer wall of the outer-layer steel shell (4).
4. The insulated ladle of claim 3 wherein: one side of the reinforcing keel plate (3) is attached to the outer wall of the inner steel shell (1), and the other side of the reinforcing keel plate is attached to the inner wall of the outer steel shell (4).
5. The insulated ladle of claim 4 wherein: the reinforcing rib plate (2) is provided with four layers for separating the inner steel shell (1) into three layers, four reinforcing keel plates (3) are uniformly arranged on the outer wall of each inner steel shell (1), and the reinforcing keel plates (3) of the upper layer and the lower layer are all on the same vertical plane.
6. The insulated ladle of claim 5 wherein: the trunnion (8) is arranged on the second layer of the inner-layer steel shell (1), and the outer-layer steel shell (9) of the trunnion layer is arranged on the outer side of the reinforcing keel plate (3) of the layer.
7. The insulated ladle of claim 6 wherein: the two sides of the trunnion (8) are symmetrically provided with trunnion reinforcing plates (10), one side of each trunnion reinforcing plate (10) is connected with the outer wall of the inner steel shell (1), and the width of each trunnion reinforcing plate (10) is equal to or larger than that of the reinforcing keel plate (3).
8. The insulated ladle of claim 7 wherein: the width of gudgeon reinforcing plate (10) equals the width of strengthening keel board (3), and gudgeon layer steel casing (9) sets up including the symmetry two semicylindrical steel sheet (5), and the both ends of semicylindrical steel sheet (5) set up buttcover plate (6) respectively, and semicylindrical steel sheet (5) and buttcover plate (6) set up the through-hole with the position of gudgeon (8) contact and are used for wearing to establish the gudgeon, set up screw (7) of a plurality of mutual correspondences on buttcover plate (6) of two semicylindrical steel sheet (5) respectively.
9. The insulated ladle of claim 7 wherein: the width of gudgeon reinforcing plate (10) is greater than the width of strengthening keel board (3), sets up a plurality of screw (7) on gudgeon reinforcing plate (10), and gudgeon layer outer steel casing (9) sets up two arc tube-shape steel sheet (11) including the symmetry, and the both ends of arc tube-shape steel sheet (11) set up butt plate (6) respectively, are equipped with a plurality of screw (7) on butt plate (6), and butt plate (6) of two arc tube-shape steel sheet (11) are connected with gudgeon reinforcing plate (10) respectively.
10. The insulated ladle of claim 1 wherein: at least one layer of fire-resistant layer (12) is arranged between the inner layer steel shell (1) and the outer layer steel shell (4).
CN201920835493.9U 2019-06-04 2019-06-04 Heat-preservation steel containing barrel Expired - Fee Related CN210523808U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920835493.9U CN210523808U (en) 2019-06-04 2019-06-04 Heat-preservation steel containing barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920835493.9U CN210523808U (en) 2019-06-04 2019-06-04 Heat-preservation steel containing barrel

Publications (1)

Publication Number Publication Date
CN210523808U true CN210523808U (en) 2020-05-15

Family

ID=70595291

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920835493.9U Expired - Fee Related CN210523808U (en) 2019-06-04 2019-06-04 Heat-preservation steel containing barrel

Country Status (1)

Country Link
CN (1) CN210523808U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200515

Termination date: 20210604