Converter steelmaking feeding device

Abstract

The utility model relates to the technical field of steelmaking, and particularly discloses a converter steelmaking feeding device which comprises a feeding hopper with an opening in one side. A protection structure is arranged on the outer wall of the feeding hopper and comprises a protection shell installed on the outer wall of an opening of the feeding hopper and a U-shaped bottom lining plate arranged at the bottom end of the feeding hopper, the two ends of the bottom lining plate extend to the side wall of the feeding hopper, and by arranging the protection shell, the outer wall of the opening of the feeding hopper can be wrapped; the bottom lining plate is arranged, so that the bottom of the feeding hopper can be protected, abrasion to the bottom of the feeding hopper during feeding is reduced, the service life of the feeding hopper is prolonged, the rotating roller is arranged at the discharging position of the feeding hopper, waste steel in the feeding hopper can be assisted to rapidly fall down along with rotation of the rotating roller, and the waste steel is prevented from being damaged due to collision or friction of the waste steel. And therefore, the blanking speed during feeding is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steelmaking technology field, concretely is a converter steelmaking feeding device. BACKGROUND

[0002] Converter steelmaking is with hot metal, scrap, ferroalloy as main raw material, not with additional energy, rely on the physical heat of iron liquid and the heat generated by chemical reaction between iron liquid components to complete the steelmaking process in the converter. The converter is divided into acid and alkaline according to the refractory material, and has top blowing, bottom blowing and side blowing according to the position of gas blowing into the furnace. Alkaline oxygen top blowing and top bottom combined blowing converter because of its fast production speed, large output, single furnace output, low cost, less investment, is the most common steelmaking equipment.

[0003] The feeding hopper for converter steelmaking in the prior art has the problems that the feeding hopper is in contact with scrap for a long time, causing collision, and the bottom of the feeding hopper is easily worn during feeding, affecting the service life of the feeding hopper, so it is necessary to provide a converter steelmaking feeding device to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a converter steelmaking feeding device, has the protection to feeding hopper, reduces the wear of the bottom of feeding hopper, thereby prolongs the service life of feeding hopper, and improves the discharging speed when feeding.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a converter steelmaking feeding device, including the feeding hopper that one side is open, the outer wall of feeding hopper is provided with the protection structure, the opening position of feeding hopper is provided with the auxiliary discharging structure;

[0006] The protection structure includes a protective shell mounted to the outer wall of the opening of the feeding hopper, a bottom lining plate in the shape of a U arranged at the bottom end of the feeding hopper, both ends of the bottom lining plate extend to the side wall of the feeding hopper, and an inner lining plate detachably connected to the inner wall of the feeding hopper by bolts.

[0007] The auxiliary discharging structure includes two fixed blocks arranged on the outer wall of the protective shell and a rotating roller rotatably connected between the two fixed blocks by a rotating shaft.

[0008] As a preferred converter steelmaking feeding device of the utility model, a plurality of reinforcing ribs are mounted between the inner wall and the outer wall of the feeding hopper.

[0009] As a preferred converter steelmaking feeding device of the utility model, the protection structure further includes a plurality of U-shaped support ribs welded to the outer wall of the feeding hopper.

[0010] As a kind of converter steelmaking feeding device preferred of the utility model, the bottom of bottom lining plate is provided with anti-skid groove.

[0011] As a kind of converter steelmaking feeding device preferred of the utility model, the shape of protective shell is matched with the shape of feeding hopper opening.

[0012] As a kind of converter steelmaking feeding device preferred of the utility model, the upper end surface of two fixed blocks is detachably connected with protective shell by connecting piece.

[0013] As a kind of converter steelmaking feeding device preferred of the utility model, the outer wall of two supporting ribs is provided with lifting lug.

[0014] Compared with prior art, the utility model has the beneficial effects as follows:

[0015] The utility model discloses first through setting up protective shell, can be wrapped to the outer wall of feeding hopper opening, to prevent damage caused by scrap steel impact or friction, through setting up bottom lining plate, can protect the bottom of feeding hopper, reduce the abrasion of feeding hopper bottom when feeding, to prolong the service life of feeding hopper, through inner lining board can play sound insulation effect to some extent when feeding or discharging in feeding hopper, reduce the influence of noise to surrounding environment, can protect the inner wall of feeding hopper simultaneously;

[0016] Through setting up rotating roller at the discharging place of feeding hopper, can assist the scrap steel in feeding hopper to fall quickly along with the rotation of rotating roller, to improve the discharging speed when feeding. DRAWINGS

[0017] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in prior art, the following will briefly introduce the drawing needed to be used in embodiment or prior art description. In all drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, various elements or parts are not necessarily drawn according to actual proportion.

[0018] Figure 1 It is the overall structural drawing of the utility model;

[0019] Figure 2 It is the overall sectional view structural drawing of the utility model;

[0020] Figure 3 It is the feeding hopper plane structure drawing of the utility model;

[0021] Figure 4 It is the Figure 1 Enlarged structural drawing of A of the utility model.

[0022] Marked in the figure: 1, feeding hopper; 101, reinforcing rib; 2, protective shell; 201, bottom lining plate; 202, support rib; 203, lifting lug; 3, fixing block; 301, rotating roller; 302, connecting piece; 4, inner lining plate. DETAILED DESCRIPTION

[0023] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and therefore only serve as examples, and cannot limit the protection scope of the utility model.

[0024] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be the usual meaning understood by the technical personnel in the field to which the utility model belongs.

[0025] Please refer to Figures 1 to 4 A feeding device for converter steelmaking, comprising a feeding hopper 1 with an open side; the outer wall of the feeding hopper 1 is provided with a protective structure, and the open position of the feeding hopper 1 is provided with an auxiliary discharging structure;

[0026] The protective structure comprises a protective shell 2 mounted on the outer wall of the open position of the feeding hopper 1, a U-shaped bottom lining plate 201 arranged at the bottom end of the feeding hopper 1, and an inner lining plate 4 detachably connected to the inner wall of the feeding hopper 1 by bolts.

[0027] The auxiliary discharging structure comprises two fixing blocks 3 arranged on the outer wall of the protective shell 2 and a rotating roller 301 rotatably connected between the two fixing blocks 3 by a rotating shaft.

[0028] In the embodiment: by arranging the protective structure on the outer wall of the feeding hopper 1, the feeding hopper 1 can be protected, thereby prolonging the service life of the feeding hopper 1; by arranging the auxiliary discharging structure, the scrap steel in the feeding hopper 1 can be smoothly discharged;

[0029] Specifically, by arranging the protective shell 2 on the outer wall of the open position of the feeding hopper 1, the outer wall of the open position of the feeding hopper 1 can be wrapped, thereby preventing damage caused by scrap steel impact or friction; by arranging the bottom lining plate 201 at the bottom of the feeding hopper 1, the bottom of the feeding hopper 1 can be protected, thereby reducing the wear of the bottom of the feeding hopper 1 during feeding, thereby prolonging the service life of the feeding hopper 1; the inner lining plate 4 can play a certain sound insulation effect during feeding or discharging of the feeding hopper 1, thereby reducing the influence of noise on the surrounding environment, and the inner wall of the feeding hopper 1 can be protected;

[0030] By arranging the rotating roller 301 at the discharging position of the feeding hopper 1, the scrap steel in the feeding hopper 1 can be quickly discharged along with the rotation of the rotating roller 301, thereby improving the discharging speed during feeding.

[0031] As a technical optimization scheme of the utility model, a plurality of reinforcing ribs 101 are installed between the inner wall and the outer wall of the feeding hopper 1.

[0032] In this embodiment, the plurality of reinforcing ribs 101 can strengthen the feeding hopper 1, improve the supporting strength of the feeding hopper 1, and prolong the service life of the feeding hopper 1.

[0033] As a technical optimization scheme of the utility model, the protection structure further comprises a plurality of U-shaped support ribs 202 welded to the outer wall of the feeding hopper 1.

[0034] In this embodiment, the support ribs 202 arranged on the outer wall of the feeding hopper 1 can strengthen the feeding hopper 1 from the outer wall.

[0035] As a technical optimization scheme of the utility model, the bottom lining plate 201 is provided with an anti-skid groove at the bottom.

[0036] In this embodiment, the anti-skid groove can increase the anti-skid performance of the bottom of the bottom lining plate 201, thereby increasing the stability of the feeding hopper 1 during feeding.

[0037] As a technical optimization scheme of the utility model, the shape of the protective shell 2 matches the shape of the opening of the feeding hopper 1.

[0038] In this embodiment, the shape of the protective shell 2 matches the shape of the opening of the feeding hopper 1, so that the protective shell 2 is closely attached to the feeding hopper 1.

[0039] As a technical optimization scheme of the utility model, the upper end surface of the two fixing blocks 3 and the protective shell 2 are detachably connected through the connecting piece 302.

[0040] In this embodiment, the connecting piece 302, the protective shell 2 and the fixing block 3 are connected by bolts, and then the fixing block 3 and the protective shell 2 are detachably connected.

[0041] As a technical optimization scheme of the utility model, the outer wall of the two support ribs 202 is provided with an ear 203.

[0042] In this embodiment, the ear 203 facilitates lifting the feeding hopper 1 by external structures.

[0043] Working principle: first, the protective structure is arranged on the outer wall of the feeding hopper 1 to protect the feeding hopper 1, thereby prolonging the service life of the feeding hopper 1, and the auxiliary discharging structure is arranged to smoothly discharge the scrap steel in the feeding hopper 1;

[0044] Specifically, by setting the protective shell 2 on the outer wall of the opening of the charging hopper 1, the outer wall of the opening of the charging hopper 1 can be wrapped to prevent damage caused by impact or friction of scrap steel; by setting the bottom lining plate 201 at the bottom of the charging hopper 1, the bottom of the charging hopper 1 can be protected to reduce the wear of the bottom of the charging hopper 1 during charging, thereby prolonging the service life of the charging hopper 1; by setting the inner lining plate 4, a certain sound insulation effect can be achieved to a certain extent when charging or discharging the charging hopper 1, the noise effect on the surrounding environment is reduced, and the inner wall of the charging hopper 1 can be protected;

[0045] By setting the rotating roller 301 at the discharging position of the charging hopper 1, the scrap steel in the charging hopper 1 can be quickly discharged along with the rotation of the rotating roller 301, thereby improving the discharging speed during charging.

[0046] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A charging device for a converter, comprising a charging hopper (1) which is open on one side, characterized in that: The outer wall of the feeding hopper (1) is provided with a protection structure, and the opening position of the feeding hopper (1) is provided with an auxiliary discharging structure. The protection structure comprises a protection shell (2) mounted on the outer wall of the opening of the feeding hopper (1), a U-shaped bottom lining plate (201) arranged at the bottom end of the feeding hopper (1), both ends of the bottom lining plate (201) extending to the side wall of the feeding hopper (1), and an inner lining plate (4) detachably connected to the inner wall of the feeding hopper (1) by bolts. The auxiliary discharging structure comprises two fixed blocks (3) arranged on the outer wall of the protection shell (2) and a rotating roller (301) rotatably connected between the two fixed blocks (3) through a rotating shaft.

2. A charging device for a converter according to claim 1, characterized in that: A plurality of reinforcing ribs (101) are mounted between the inner wall and the outer wall of the feeding hopper (1).

3. A charging device for a converter according to claim 1, characterized in that: The protection structure further comprises a plurality of U-shaped support ribs (202) welded to the outer wall of the feeding hopper (1).

4. A charging device for a converter according to claim 1, characterized in that: The bottom of the bottom lining plate (201) is provided with an anti-skid groove.

5. A charging device for a converter according to claim 1, characterized in that: The shape of the protection shell (2) matches the shape of the opening of the feeding hopper (1).

6. A charging device for a converter according to claim 1, characterized in that: The upper end faces of the two fixed blocks (3) are detachably connected to the protection shell (2) through connecting pieces (302).

7. A charging device for a converter according to claim 3, characterized in that: The outer walls of two of the support ribs (202) are provided with lifting lugs (203).

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