Stock bin for slag feeder of electroslag furnace

Abstract

The utility model relates to the technical field of electroslag furnaces, and discloses a feed bin for a slag feeder of an electroslag furnace, which comprises a conical hopper, a sealing cover, a hollow shaft, a stirring blade, a rotating shaft, a spiral blade, a heating rod and a support frame. In the using process, after slag is added into the conical hopper, due to the fact that the sealing cover can play a sealing role, heat loss of the slag can be reduced. And meanwhile, the multiple heating rods are controlled to work, the slag in the conical hopper can be heated, and therefore heat lost by the slag is supplemented. Therefore, the temperature of the slag can be kept constant. Under the driving of external force, the hollow shaft rotates to drive the stirring blades to rotate. Therefore, the slag charge in the conical hopper is stirred to move, and the slag charge in the conical hopper is uniformly heated. Under the driving of external force, the rotating shaft rotates to drive the spiral blade to rotate. And therefore, the slag is discharged into the feeding opening of the slag adding device, and the feeding work is completed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electroslag furnace, for example, relates to a kind of material bin for electroslag furnace slag feeder. BACKGROUND

[0002] The related technology (publication number: CN208717403U) discloses an electroslag furnace slag feeder is added to the slag funnel, including funnel box body. A layer of heat preservation layer is arranged on the outer wall surface of the funnel box body. The upper end of the funnel box body is uniformly and symmetrically provided with lifting lug. The lower end of the funnel box body is provided with a discharge valve. The outer wall of the funnel box body is provided with support column.

[0003] In the process of realizing the above-mentioned embodiment, it is found that at least the following problems exist in the related technology:

[0004] The electroslag furnace slag feeder is added to the slag funnel, which only needs to place the feeding funnel on the slag feeder, and then manually operate the discharge valve to add material to the slag feeder. It reduces the operation intensity of workers and avoids the harm to workers caused by contacting high-temperature slag. However, although the heat preservation layer on the outer layer of the funnel box body has heat preservation effect, part of heat will still be lost. And since the upper end of the funnel box body is in open state, heat loss will be aggravated. Finally, the temperature of the slag is reduced.

[0005] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0006] In order to have a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. The summary is not a general review, nor does it determine the key / important components or delineate the protection scope of these embodiments, but serves as a prelude to the detailed description below.

[0007] The present application provides a kind of material bin for electroslag furnace slag feeder to keep the temperature of slag.

[0008] In some embodiments, the one electric furnace slag feeder material bin comprises: a conical hopper; a sealing cover, which is detachably mounted on the top end of the conical hopper; a hollow shaft, which is rotatably arranged in the sealing cover and coaxially distributed with the conical hopper; stirring blades, which are uniformly mounted on the outer wall of the hollow shaft and located inside the conical hopper; a rotating shaft, which is rotatably arranged in the hollow shaft and coaxially distributed with the conical hopper; spiral blades, which are mounted on the bottom end of the hollow shaft and located inside the discharge port of the conical hopper; heating rods, which are uniformly mounted on the side wall of the conical hopper, and the heating ends of the plurality of heating rods are located inside the conical hopper; a support frame, which is connected to the outer wall of the conical hopper and used to abut against the ground or be connected to other equipment; wherein the hollow shaft and the rotating shaft are controlled to rotate respectively to drive the stirring blades and the spiral blades to rotate respectively.

[0009] Optionally, it further comprises: a motor base mounted on the top surface of the sealing cover; a first motor mounted on the motor base; a first driving bevel gear mounted on the rotating end of the first motor; and a first driven bevel gear mounted on the outer wall of the hollow shaft and engaged with the first driving bevel gear.

[0010] Optionally, it further comprises: a second motor mounted on the motor base; a second driving bevel gear mounted on the rotating end of the second motor; and a second driven bevel gear mounted on the top end of the rotating shaft and engaged with the second driving bevel gear.

[0011] Optionally, it further comprises: a push piece mounted on the bottom end of the rotating shaft and close to the discharge port of the conical hopper.

[0012] Optionally, it further comprises: a bearing seat mounted on the sealing cover and sleeved on the hollow shaft; and first angular contact ball bearings oppositely mounted between the bearing seat and the hollow shaft.

[0013] Optionally, it further comprises: second angular contact ball bearings oppositely mounted between the hollow shaft and the rotating shaft; and a bearing adjusting ring sleeved on the rotating shaft and located between the two oppositely mounted second angular contact ball bearings.

[0014] Optionally, it further comprises: a feeding port mounted on the sealing cover and connected to the inside of the conical hopper; and a first gate plate mounted on the feeding port and used to open or close the feeding port.

[0015] Optionally, it further comprises: a second gate plate mounted at the discharge port of the conical hopper and used to open or close the discharge port.

[0016] Optionally, it further comprises: buckles uniformly mounted between the outer side of the conical hopper and the sealing cover.

[0017] The electric slag furnace slag feeder bin provided by the embodiment of the present disclosure can achieve the following technical effects:

[0018] The electric slag furnace slag feeder bin provided by the embodiment of the present disclosure comprises a conical hopper, a sealing cover, a hollow shaft, stirring blades, a rotating shaft, spiral blades, heating rods and a support frame. The sealing cover is detachably installed at the top end of the conical hopper and used for sealing the top end of the conical hopper. The hollow shaft is rotatably arranged in the sealing cover and coaxially distributed with the conical hopper and used for supporting and installing the stirring blades. The stirring blades are uniformly installed on the outer wall of the hollow shaft and all located in the interior of the conical hopper and used for stirring the slag in the conical hopper. The rotating shaft is rotatably arranged in the hollow shaft and coaxially distributed with the conical hopper and used for supporting and installing the spiral blades. The spiral blades are installed at the bottom end of the hollow shaft and located in the interior of the discharge port of the conical hopper and used for pushing the slag in the conical hopper to move and then discharged from the discharge port. The heating rods are uniformly installed on the side wall of the conical hopper, and the heating ends of the plurality of heating rods are all located in the interior of the conical hopper and used for heating the slag in the conical hopper. The support frame is connected to the outer wall of the conical hopper and used for abutting against the ground or connected to other equipment so as to place the whole device on the ground or match the device to the feeding port of the slag feeder. The hollow shaft and the rotating shaft are controlled to rotate respectively so as to drive the stirring blades and the spiral blades to rotate respectively.

[0019] In use, after the slag is added into the interior of the conical hopper, the sealing cover can seal the conical hopper, thereby reducing heat loss of the slag. Meanwhile, the plurality of heating rods are controlled to work, thereby heating the slag in the interior of the conical hopper and supplementing heat loss of the slag. Therefore, the temperature of the slag can be kept constant. Under the driving of external force, the hollow shaft rotates, thereby driving the stirring blades to rotate. The slag in the conical hopper is stirred to move, thereby uniformly heating the slag in the conical hopper. Under the driving of external force, the rotating shaft rotates, thereby driving the spiral blades to rotate. The slag is discharged into the feeding port of the slag feeder, thereby completing the feeding work.

[0020] The foregoing general description and the following description are only exemplary and explanatory and are not intended to limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0021] One or more embodiments are exemplarily illustrated by corresponding drawings, which do not constitute limitation on the embodiments, elements with the same reference numerals in the drawings are regarded as similar elements, the drawings do not constitute proportional limitation, and wherein:

[0022] Figure 1 is a sectional view of the electric slag furnace slag feeder bin provided by the embodiment of the present disclosure;

[0023] Figure 2 isFigure 1 Enlarged structural schematic diagram at A in the middle

[0024] Figure 3 Another cross-sectional structural schematic diagram of a material bin for a slag feeder of an electroslag furnace provided by the embodiments of the present disclosure;

[0025] Figure 4 Main structural schematic diagram of a material bin for a slag feeder of an electroslag furnace provided by the embodiments of the present disclosure.

[0026] Reference signs:

[0027] 1: conical hopper; 2: sealing cover; 3: hollow shaft; 4: stirring blade; 5: rotating shaft; 6: helical blade; 7: heating rod; 8: support frame; 9: motor base; 10: first motor; 11: second motor; 12: paddle; 13: bearing seat; 14: first angular contact ball bearing; 15: second angular contact ball bearing; 16: bearing adjusting ring; 17: charging port; 18: first shutter; 19: second shutter; 20: buckle. DETAILED DESCRIPTION

[0028] In order to be able to understand the features and technical contents of the embodiments of the present disclosure more thoroughly, the implementation of the embodiments of the present disclosure will be described in detail below in conjunction with the drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, through multiple details, a full understanding of the disclosed embodiments is provided. However, one or more embodiments can still be implemented without these details. In other cases, in order to simplify the drawings, well-known structures and devices can be simplified.

[0029] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0030] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0031] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0032] Unless otherwise specified, the term "plurality" means two or more.

[0033] In the embodiments of the present disclosure, the character " / " represents a "or" relationship between the objects before and after it. For example, A / B means: A or B.

[0034] The term "and / or" is a description of the association between objects, which means that there can be three relationships. For example, A and / or B means: A or B, or, A and B, the three relationships.

[0035] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0036] In combination with Figures 1 to 4As shown, the electric slag furnace is provided with a material bin for a slag feeder. The material bin comprises a conical hopper 1, a sealing cover 2, a hollow shaft 3, stirring blades 4, a rotating shaft 5, spiral blades 6, heating rods 7 and a support frame 8. The sealing cover 2 is detachably mounted on the top end of the conical hopper 1 to seal the top end of the conical hopper 1. The hollow shaft 3 is rotatably arranged in the sealing cover 2 and coaxially arranged with the conical hopper 1 to support the stirring blades 4. The stirring blades 4 are uniformly arranged on the outer wall of the hollow shaft 3 and located in the conical hopper 1 to stir the slag in the conical hopper 1. The rotating shaft 5 is rotatably arranged in the hollow shaft 3 and coaxially arranged with the conical hopper 1 to support the spiral blades 6. The spiral blades 6 are arranged on the bottom end of the hollow shaft 3 and located in the discharge port of the conical hopper 1 to push the slag in the conical hopper 1 to move and then discharge from the discharge port. The heating rods 7 are uniformly arranged on the side wall of the conical hopper 1, and the heating ends of the plurality of heating rods 7 are located in the conical hopper 1 to heat the slag in the conical hopper 1. The support frame 8 is connected to the outer wall of the conical hopper 1 to abut against the ground or be connected to other equipment to place the entire device on the ground or match the device to the feeding port of the slag feeder. The hollow shaft 3 and the rotating shaft 5 are controlled to rotate to drive the stirring blades 4 and the spiral blades 6 to rotate, respectively.

[0037] The electric slag furnace is provided with a material bin for a slag feeder. After the slag is added to the conical hopper 1, the sealing cover 2 can seal the conical hopper 1 to reduce heat loss of the slag. Meanwhile, the plurality of heating rods 7 are controlled to work to heat the slag in the conical hopper 1 to supplement the heat loss of the slag. Therefore, the temperature of the slag can be kept constant. Under the driving of an external force, the hollow shaft 3 rotates to drive the stirring blades 4 to rotate, thereby stirring the slag in the conical hopper 1 to move and uniformly heat the slag in the conical hopper 1. Under the driving of an external force, the rotating shaft 5 rotates to drive the spiral blades 6 to rotate, thereby discharging the slag into the feeding port of the slag feeder to complete the feeding work.

[0038] Optionally, as shown in Figure 1 , Figure 3 and Figure 4 , the material bin further comprises a motor base 9, a first motor 10, a first driving bevel gear and a first driven bevel gear. The motor base 9 is made of heat insulation material and mounted on the top surface of the sealing cover 2 to reduce heat transfer. The first motor 10 is mounted on the motor base 9 to provide driving force to realize the rotating function. The first driving bevel gear is mounted on the rotating end of the first motor 10 and rotates under the driving of the first motor 10. The first driven bevel gear is mounted on the outer wall of the hollow shaft 3 to drive the hollow shaft 3 to rotate. The first driven bevel gear is engaged with the first driving bevel gear to jointly transmit the driving force and change the direction of the force.

[0039] In the embodiments of the present disclosure, the first motor 10 is controlled to work, so as to drive the first driving bevel gear to rotate. Through the meshing of the gears, the first driven bevel gear is driven to rotate. Then the hollow shaft 3 is driven to rotate, and finally the automatic rotation function of the plurality of stirring blades 4 is realized.

[0040] Optionally, as shown in Figure 1 , Figure 3 and Figure 4 , the second motor 11, the second driving bevel gear and the second driven bevel gear are further included. The second motor 11 is installed on the motor base 9 and is used to provide driving force to realize the rotation function. The second driving bevel gear is installed on the rotating end of the second motor 11 and is driven to rotate by the second motor 11. The second driven bevel gear is installed on the top end of the rotating shaft 5 and is used to drive the rotating shaft 5 to rotate. The second driven bevel gear is meshed with the second driving bevel gear to jointly transmit the driving force and change the direction of the force.

[0041] In the embodiments of the present disclosure, the second motor 11 is controlled to work, so as to drive the second driving bevel gear to rotate. Through the meshing of the gears, the second driven bevel gear is driven to rotate. Then the rotating shaft 5 is driven to rotate, and finally the automatic rotation function of the spiral blade 6 is realized.

[0042] Optionally, as shown in Figure 1 and Figure 3 , the push piece 12 is further included. The push piece 12 is installed on the bottom end of the rotating shaft 5 and is close to the discharge port of the conical hopper 1.

[0043] In the embodiments of the present disclosure, the push piece 12 installed on the bottom end of the rotating shaft 5 and close to the discharge port of the conical hopper 1 is further included. During use, when the rotating shaft 5 rotates, the push piece 12 is driven to rotate, so as to agitate the slag at the discharge port to avoid the slag from being stuck at the discharge port.

[0044] Optionally, as shown in Figure 1 and Figure 2 , the bearing seat 13 and the first angular contact ball bearing 14 are further included. The bearing seat 13 is installed on the sealing cover 2 and is sleeved on the hollow shaft 3. The first angular contact ball bearing 14 is oppositely installed between the bearing seat 13 and the hollow shaft 3.

[0045] In the embodiments of the present disclosure, the bearing seat 13 installed on the sealing cover 2 and sleeved on the hollow shaft 3 and the first angular contact ball bearing 14 oppositely installed between the bearing seat 13 and the hollow shaft 3 are further included. The bearing seat 13 is used to support and position the first angular contact ball bearing 14. The first angular contact ball bearing 14 is used to bear the axial force and the radial force of the hollow shaft 3, reduce the friction of the hollow shaft 3 and improve the rotation accuracy of the hollow shaft 3.

[0046] Optionally, as shown inFigure 1 and Figure 2 As shown in

[0047] In the embodiments of the present disclosure, the second angular contact ball bearings 15 are oppositely installed between the hollow shaft 3 and the rotating shaft 5, and the bearing adjusting ring 16 is sleeved on the rotating shaft 5 and located between the oppositely installed two second angular contact ball bearings 15. The second angular contact ball bearings 15 are used to bear the axial force and the radial force received by the rotating shaft 5, reduce the friction received by the rotating shaft 5, and improve the rotation accuracy of the rotating shaft 5. The bearing adjusting ring 16 is used to adjust the distance between the two second angular contact ball bearings 15.

[0048] Optionally, in combination with Figure 1 , Figure 3 and Figure 4 As shown, the feeding port 17 and the first shutter 18 are further included. The feeding port 17 is installed on the sealing cover 2 and communicates with the interior of the conical hopper 1. The first shutter 18 is installed on the feeding port 17 and is used to open or close the feeding port 17.

[0049] In the embodiments of the present disclosure, the feeding port 17 installed on the sealing cover 2 and communicating with the interior of the conical hopper 1 and the first shutter 18 installed on the feeding port 17 are further included. The first shutter 18 is used to open or close the feeding port 17, and when the first shutter 18 opens the feeding port 17, the slag can be added to the interior of the conical hopper 1. When the first shutter 18 closes the feeding port 17, the sealing effect is achieved, thereby reducing the heat loss.

[0050] Optionally, in combination with Figure 1 , Figure 3 and Figure 4 As shown, the second shutter 19 is further included. The second shutter 19 is installed at the discharging port of the conical hopper 1 and is used to open or close the discharging port.

[0051] In the embodiments of the present disclosure, the second shutter 19 installed at the discharging port of the conical hopper 1 is further included. The second shutter 19 is used to open or close the discharging port, and when the second shutter 19 opens the discharging port, the material pushed by the spiral blade 6 can be discharged. When the second shutter 19 closes the discharging port, the sealing effect is achieved, thereby avoiding the slag from flowing out.

[0052] Optionally, in combination with Figure 1 , Figure 3 and Figure 4 As shown, the buckle 20 is further included. The buckle 20 is uniformly installed between the outer side surface of the conical hopper 1 and the sealing cover 2.

[0053] In the embodiments of the present disclosure, a plurality of buckles 20 are arranged uniformly between the outer side surface of the cone hopper 1 and the sealing cover 2. The plurality of buckles 20 are used to achieve detachable installation between the sealing cover 2 and the cone hopper 1, and enable the sealing cover 2 to be tightly buckled to the cone hopper 1.

[0054] The above description and drawings suffice to fully illustrate the embodiments of the present disclosure to enable a person skilled in the art to practice them. Other embodiments can include structural and other changes. The embodiments only represent possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations can be changed. Parts and features of some embodiments can be included in or replace parts and features of other embodiments. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is only limited by the appended claims.

Claims

1. A material bin for an electroslag furnace adder, characterized by, It comprises: a conical hopper; a sealing cover, which is detachably mounted on the top end of the conical hopper; a hollow shaft, which is rotatably arranged in the sealing cover and coaxially distributed with the conical hopper; stirring blades, which are uniformly mounted on the outer wall of the hollow shaft and located inside the conical hopper; a rotating shaft, which is rotatably arranged in the hollow shaft and coaxially distributed with the conical hopper; screw blades, which are mounted on the bottom end of the hollow shaft and located inside the discharge port of the conical hopper; heating rods, which are uniformly mounted on the side wall of the conical hopper, and the heating ends of the plurality of heating rods are located inside the conical hopper; a support frame, which is connected to the outer wall of the conical hopper and used to abut against the ground or be connected to other equipment; wherein the hollow shaft and the rotating shaft are controlled to rotate respectively to drive the stirring blades and the screw blades to rotate respectively.

2. The material bin for a slag feeder of an electroslag furnace according to claim 1, characterized in that, It further comprises: a motor base, which is mounted on the top surface of the sealing cover; a first motor, which is mounted on the motor base; a first driving bevel gear, which is mounted on the rotating end of the first motor; a first driven bevel gear, which is mounted on the outer wall of the hollow shaft and engaged with the first driving bevel gear.

3. The material bin for a slag feeder of an electroslag furnace according to claim 2, characterized in that It further comprises: a second motor, which is mounted on the motor base; a second driving bevel gear, which is mounted on the rotating end of the second motor; a second driven bevel gear, which is mounted on the top end of the rotating shaft and engaged with the second driving bevel gear.

4. The material bin for the slag feeder of the electroslag furnace according to claim 1, characterized in that, It further comprises: a push piece, which is mounted on the bottom end of the rotating shaft and close to the discharge port of the conical hopper.

5. The material bin for a slag feeder of an electroslag furnace according to claim 1, characterized in that, It further comprises: a bearing seat, which is mounted on the sealing cover and sleeved on the hollow shaft; a first angular contact ball bearing, which is oppositely mounted between the bearing seat and the hollow shaft.

6. The material bin for a slag feeder of an electroslag furnace according to claim 1, characterized in that, It further comprises: a second angular contact ball bearing, which is oppositely mounted between the hollow shaft and the rotating shaft; a bearing adjusting ring, which is sleeved on the rotating shaft and located between the two oppositely mounted second angular contact ball bearings.

7. The material bin for a slag feeder of an electroslag furnace according to any one of claims 1 to 6, characterized in that, It further comprises: a feeding port, which is mounted on the sealing cover and connected to the inside of the conical hopper; a first gate, which is mounted on the feeding port and used to open or close the feeding port.

8. The material bin for a slag feeder of an electroslag furnace according to any one of claims 1 to 6, characterized in that It further comprises: a second gate, which is mounted on the discharge port of the conical hopper and used to open or close the discharge port.

9. The material bin for a slag feeder of an electroslag furnace according to any one of claims 1 to 6, characterized in that, It further comprises: a buckle, which is uniformly mounted between the outer side of the conical hopper and the sealing cover.

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