Blast furnace device

Abstract

The invention provides a blast furnace device. The blast furnace device comprises a charging bucket; the lining plate is attached to the inner wall of the charging bucket; the mounting plate is attached and fixedly connected to the lining plate; the material pockets are hung on the mounting plate through hanging pieces, the material pockets are arranged at intervals in the direction from the inlet to the outlet of the material tank, the cross section of a material storage groove of each material pocket is triangular, and the material pockets are of an axial symmetry structure with the center line of the triangle as the symmetry axis; wherein the material pocket is provided with a first side wall and a second side wall, the first side wall and the second side wall are oppositely arranged, and the hanging piece is detachably connected to the first side wall or the second side wall. By means of the arrangement, the first side wall and the second side wall can be used for alternately receiving furnace charge scouring, the service life of the material pocket is prolonged, and due to the fact that the material pocket is of an axisymmetric structure, stress balance is guaranteed, and deformation and falling risks are reduced. The material pocket is convenient to disassemble and assemble, maintenance efficiency is improved, rapid repair is achieved, lining plate replacement frequency is reduced, and cost is saved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of blast furnace device protection, and in particular to a blast furnace device. Background Art

[0002] At present, with the development of modern blast furnace iron-making technology, the pressure inside the blast furnace continues to increase, and the amount of materials used in the furnace increases, which adds a burden to the blast furnace Luding charging equipment, and is prone to leakage accidents of material tanks, which seriously affects personal and property safety. In related technologies, if the wear-resistant lining of the material tank at the unloading point is severely worn during maintenance, the wear-resistant lining and the valve plate of the material flow regulating valve cannot be sealed normally, and there is leakage, it is necessary to carry out repair welding of square iron materials. The welding time is long and the workload is large, which affects the production cycle.

[0003] Therefore, it is necessary to propose a blast furnace device to at least partially solve the problems existing in the prior art. Summary of the invention

[0004] The present disclosure aims to solve at least one of the technical problems existing in the prior art or related art.

[0005] To this end, the present disclosure provides a blast furnace device;

[0006] In view of this, according to an embodiment of the present disclosure, a blast furnace device is proposed, comprising:

[0007] Material tank;

[0008] A lining plate is fitted on the inner wall of the tank;

[0009] The mounting plate is fitted and fixedly connected to the lining plate;

[0010] A plurality of material pockets are mounted on the mounting plate through hanging parts, the plurality of material pockets are arranged at intervals along the direction from the inlet to the outlet of the material tank, the cross section of the material storage trough of the material pocket is a triangle, and the material pocket is an axisymmetric structure with the midline of the triangle as the axis of symmetry;

[0011] Wherein, the material pocket is provided with a first side wall and a second side wall, the first side wall and the second side wall are arranged opposite to each other, and the hanger is detachably connected to the first side wall or the second side wall.

[0012] In a feasible implementation manner, the above-mentioned mounting plate includes:

[0013] A plate body, fixedly connected to the lining plate;

[0014] A boss, a plurality of the bosses are arranged at equal distances on the plate body, and along the direction from the inlet to the outlet, the boss is provided with a slot, the hanger is provided with an insert plate, the insert plate is inserted into the slot, the connection between the hanger and the material pocket abuts against the boss, and a hopper is provided on the top of the connection between the hanger and the material pocket, and the opening direction of the hopper is consistent with the opening direction of the storage tank.

[0015] In a feasible implementation, it also includes:

[0016] A fixing assembly is used to fix the liner to the material tank and to fix the mounting plate to the liner.

[0017] In a feasible implementation manner, the fixing assembly includes:

[0018] A first fastening bolt, the liner is provided with a countersunk fixing hole, the tank is provided with a first threaded hole, the first fastening bolt passes through the countersunk fixing hole and is screwed into the first threaded hole;

[0019] The second fastening bolt, the boss is provided with a connecting hole, the lining plate is provided with a second threaded hole, and the second fastening bolt passes through the connecting hole and is screwed into the second threaded hole.

[0020] In a feasible implementation, it also includes:

[0021] A connecting part, the bottom of the material tank is inserted into the connecting part, and the connecting part is provided with a material passing hole;

[0022] A funnel is connected to the connecting portion and communicated with the outlet through the material passing hole. A throat is arranged at the bottom center of the funnel, and the lining plate, the mounting plate and the material pocket are arranged on the inner side wall of the funnel.

[0023] In a feasible embodiment, the mounting plate is formed by splicing a plurality of the plate bodies, and the longest distance dimension on the outline of the assembly of each of the plate bodies and the material pocket is smaller than the diameter dimension of the throat.

[0024] In a feasible implementation, it also includes:

[0025] A first sealing valve, arranged at the inlet;

[0026] The second sealing valve is arranged at the above-mentioned material passing hole.

[0027] In a feasible implementation, it also includes:

[0028] A flap valve is arranged above the inlet;

[0029] A throttle valve is arranged at the above outlet;

[0030] The pressure equalizing release pipe is connected to the above-mentioned material tank.

[0031] In a feasible embodiment, the liner, the mounting plate and the tank have the same curvature, and the liner is provided with a straight tube liner and a conical tube liner according to the shape of the tank, and the straight tube liner is located above the conical tube liner along the direction from the inlet to the outlet of the tank.

[0032] In a feasible implementation manner, the lining plate is built-up with high chromium alloy at locations avoiding the countersunk fixing hole and the second threaded hole, the material pocket is formed by casting the high chromium alloy, and the chromium content of the high chromium alloy is 18% to 20%.

[0033] Compared with the prior art, the present disclosure at least includes the following beneficial effects: the blast furnace device provided in the embodiment of the present disclosure is provided with a material tank, a liner, a mounting plate and a plurality of material pockets. Among them, the liner is fitted and arranged on the inner wall of the material tank, and the mounting plate covers and fits and is fixed to the liner to prevent the liner from being worn when unloading, and on the mounting plate, a plurality of material pockets are hung by hanging parts, and the plurality of material pockets are arranged at intervals along the inlet to the outlet direction of the material tank, and the materials are stored by the plurality of material pockets, and the abrasive materials of the furnace charge are prevented from scouring the liner and causing the liner to be worn. Furthermore, the material storage trough of the material pocket is conical, and the cross section of the cone is an isosceles triangle, and the material pocket as a whole can be an axisymmetric structure with the midline of the isosceles triangle as the axis of symmetry. And the material pocket is provided with a first side wall and a second side wall, the first side wall and the second side wall are arranged oppositely, and the hanging part is detachably connected to the first side wall or the second side wall. In this arrangement, when the hanging part is connected to the first side wall, the second side wall is away from the mounting plate to receive the scouring of the charge. After the wear of the second side wall reaches the maximum allowable wear value, the material pocket is removed and the second side wall of the material pocket is installed on the hanging part so that the first side wall is away from the mounting plate to receive the scouring of the charge. Since the material pocket is an axisymmetric structure, the force is balanced and the risk of deformation and falling off is reduced. The material pocket is easy to disassemble and assemble, improves the maintenance efficiency, realizes rapid repair, reduces the frequency of replacing the liner, and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the exemplary embodiments below. The accompanying drawings are only for the purpose of illustrating exemplary embodiments and are not to be considered as limiting the present disclosure. Also, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0035] Figure 1 A schematic structural diagram of a blast furnace device according to an embodiment of the present disclosure;

[0036] Figure 2 A schematic assembly diagram of a material pocket and a mounting plate according to an embodiment of the present disclosure;

[0037] Figure 3 A schematic structural diagram of a liner according to an embodiment of the present disclosure;

[0038] Figure 4 A schematic structural diagram of a mounting plate according to an embodiment of the present disclosure.

[0039] in, Figures 1 to 4 The corresponding relationship between the reference numerals and the component names is as follows:

[0040] 100 blast furnace device, 110 material tank, 120 lining plate, 121 countersunk fixing hole, 122 second threaded hole, 130 mounting plate, 131 plate body, 132 boss, 1321 connecting hole, 140 material bag, 150 hanging part, 151 hopper, 160 connecting part, 161 material passing hole, 170 funnel, 171 throat, 180 first sealing valve, 181 second sealing valve, 191 flap valve, 192 throttle valve, 193 pressure equalizing release pipe. DETAILED DESCRIPTION

[0041] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. The specific structures and functional details disclosed herein are only used to describe the exemplary embodiments of the present invention. However, the present invention can be embodied in many alternative forms, and it should not be understood that the present invention is limited to the embodiments set forth herein.

[0042] like Figures 1 to 4 As shown, according to an embodiment of the present disclosure, a blast furnace device 100 is proposed, characterized in that it includes: a material tank 110; a lining plate 120, which is fitted and arranged on the inner wall of the above-mentioned material tank 110; a mounting plate 130, which is fitted and fixedly connected to the lining plate 120; a plurality of material pockets 140, which are hung on the above-mentioned mounting plate 130 through a hanger 150, and the plurality of the above-mentioned material pockets 140 are arranged at intervals along the inlet to outlet direction of the above-mentioned material tank 110, and the cross-section of the material storage trough of the above-mentioned material pocket 140 is a triangle, and the above-mentioned material pocket 140 is an axially symmetrical structure with the midline of the above-mentioned triangle as the symmetry axis; wherein the above-mentioned material pocket 140 is provided with a first side wall and a second side wall, the above-mentioned first side wall and the above-mentioned second side wall are arranged opposite to each other, and the above-mentioned hanger 150 is detachably connected to the above-mentioned first side wall or the above-mentioned second side wall.

[0043] The blast furnace device 100 provided in the embodiment of the present disclosure is provided with a material tank 110, a liner 120, a mounting plate 130 and a plurality of material pockets 140. Among them, the liner 120 is fitted and arranged on the inner wall of the material tank 110, and the mounting plate 130 covers and fits and is fixed to the liner 120 to prevent the liner 120 from being worn when unloading, and on the mounting plate 130, a plurality of material pockets 140 are hung by a hanger 150, and the plurality of material pockets 140 are arranged at intervals along the inlet to the outlet direction of the material tank 110, and the plurality of material pockets 140 are used to store materials, and the abrasive materials of the furnace charge are prevented from scouring the liner 120 and causing the liner 120 to wear. Furthermore, the storage trough of the material pocket 140 is conical, and the cross section of the cone is an isosceles triangle. The material pocket 140 as a whole can be an axisymmetric structure with the midline of the isosceles triangle as the axis of symmetry. The material pocket 140 is provided with a first side wall and a second side wall, the first side wall and the second side wall are arranged opposite to each other, and the hanger 150 is detachably connected to the first side wall or the second side wall. In this arrangement, when the hanger 150 is connected to the first side wall, the second side wall is away from the mounting plate 130 to receive the scouring of the charge. After the wear of the second side wall reaches the maximum allowable wear value, the material pocket 140 is removed, and the second side wall of the material pocket 140 is installed on the hanger 150, so that the first side wall is away from the mounting plate 130 to receive the scouring of the charge. Since the material pocket 140 is an axisymmetric structure, the force is balanced and the risk of deformation and falling off is reduced. The material pocket 140 is easy to disassemble and assemble, which improves the maintenance efficiency, realizes rapid repair, reduces the frequency of replacing the liner 120, and doubles the service life of the material pocket 140, saving costs.

[0044] In some examples, such as Figures 1 to 4 As shown, the mounting plate 130 includes: a plate body 131, fixedly connected to the lining plate 120; a boss 132, a plurality of the bosses 132 are arranged at equal intervals on the plate body 131, and along the direction from the inlet to the outlet, the boss 132 is provided with a slot, the hanger 150 is provided with a plug plate, and the plug plate is plugged into the slot, the connection between the hanger 150 and the material pocket 140 abuts against the boss 132, and a hopper 151 is provided on the top of the connection between the hanger 150 and the material pocket 140, and the opening direction of the hopper 151 is consistent with the opening direction of the material storage tank.

[0045] It can be understood that the mounting plate 130 is provided with a plate body 131 and a boss 132. Among them, the plate body 131 can be provided with multiple plates, and multiple plate bodies 131 are assembled to form the main body of the mounting plate 130. Multiple bosses 132 are arranged on the plate body 131, and the multiple bosses 132 are arranged at equal intervals. And when the plate body 131 is installed on the liner 120, along the inlet to the outlet direction of the material tank 110, the boss 132 is provided with a slot, and the hanger 150 is provided with a plug-in board, which can be plugged into the slot to install the material pocket 140 on the boss 132, which is convenient for disassembly and assembly. And the connection between the hanger 150 and the material pocket 140 abuts against the boss 132 to limit the degree of freedom of the plug-in board, prevent the plug-in board from moving downward, and ensure the stability of the connection. Such a setting can improve the disassembly and assembly efficiency of the material pocket 140, thereby improving the maintenance efficiency, realizing rapid repair, reducing the frequency of replacing the liner 120, and saving costs.

[0046] It is understandable that a hopper 151 may be provided at the top of the connection between the hanger 150 and the material pocket 140, and the opening direction of the hopper 151 is consistent with the opening direction of the material storage tank. In this way, the material can be stored through the hopper 151, and the stored material prevents the furnace charge abrasive from scouring the liner 120 and causing the liner 120 to wear.

[0047] In some examples, the system further includes: a fixing assembly, by which the liner 120 is fixed to the material tank 110 , and the mounting plate 130 is fixed to the liner 120 .

[0048] It is understandable that the blast furnace device 100 may also be provided with a fixing assembly, by which the liner 120 is fixed to the material tank 110, and the mounting plate 130 is fixed to the liner 120, so as to improve the connection stability and resist the impact of the charge.

[0049] In some examples, such as Figures 1 to 4 As shown, the fixing assembly includes: a first fastening bolt, the lining plate 120 is provided with a countersunk fixing hole 121, the material tank 110 is provided with a first threaded hole, the first fastening bolt passes through the countersunk fixing hole 121 and is screwed into the first threaded hole; a second fastening bolt, the boss 132 is provided with a connecting hole 1321, the lining plate 120 is provided with a second threaded hole 122, the second fastening bolt passes through the connecting hole 1321 and is screwed into the second threaded hole 122.

[0050] It can be understood that the fixing assembly is provided with a first fastening bolt and a second fastening bolt. Specifically, a plurality of countersunk fixing holes 121 are provided on the liner 120, and a first threaded hole is provided at a corresponding position of the tank 110. The first fastening bolt passes through the countersunk fixing hole 121 and is screwed into the first threaded hole, so that the liner 120 is fixed to the tank 110 by a threaded connection, which is reliable and easy to disassemble. A connecting hole 1321 is provided on the boss 132, and a second threaded hole 122 is provided at a corresponding position of the liner 120. The second fastening bolt passes through the connecting hole 1321 and is screwed into the second threaded hole 122, so that the mounting plate 130 is fixed to the liner 120 by a threaded connection, which is reliable and easy to disassemble.

[0051] Exemplarily, four countersunk fixing holes 121 are provided, respectively located at four corners of the lining plate 120. Three rows of second threaded holes 122 are provided, and three second threaded holes 122 are provided in each row.

[0052] In some examples, such as Figure 1 As shown, it also includes: a connecting part 160, the bottom of the above-mentioned material tank 110 is inserted into the above-mentioned connecting part 160, and the above-mentioned connecting part 160 is provided with a feeding hole 161; a funnel 170, which is connected to the above-mentioned connecting part 160 and is connected to the above-mentioned outlet through the above-mentioned feeding hole 161, and a throat 171 is arranged at the bottom center of the above-mentioned funnel 170, and the inner side wall of the above-mentioned funnel 170 is provided with the above-mentioned lining plate 120, the above-mentioned mounting plate 130 and the above-mentioned material pocket 140.

[0053] It is understandable that the blast furnace device 100 is further provided with a connection part 160 and a funnel 170. Among them, the bottom profile of the material tank 110 can be conical, the bottom of the material tank 110 is inserted in the connection part 160, and the connection part 160 is provided with a feeding hole 161 corresponding to the bottom position of the material tank 110, and the funnel 170 is connected to the connection part 160, and the funnel 170 is connected to the outlet of the material tank 110 through the feeding hole 161. A throat 171 is provided at the bottom center of the funnel 170. Considering that the inner side wall of the funnel 170 is easily eroded by the charge, a lining plate 120 is provided on the inner side wall of the funnel 170, and a mounting plate 130 is provided on the mounting plate 130, and the above-mentioned material pocket 140 is inserted on the mounting plate 130. The material pocket 140 is easy to disassemble and assemble, improves the maintenance efficiency, realizes rapid repair, reduces the frequency of replacing the lining plate 120, and saves costs.

[0054] In some examples, the mounting plate 130 is formed by splicing a plurality of the plate bodies 131 , and the longest distance dimension of the outline of the assembly of each of the plate bodies 131 and the material pocket 140 is smaller than the diameter dimension of the throat 171 .

[0055] It is understandable that the mounting plate 130 can be formed by splicing a plurality of plate bodies 131, so as to facilitate processing and installation, and reduce the weight of a single unit for easy disassembly and assembly. In addition, the longest distance on the outline of the assembly of the plate body 131, the boss 132, the hanger 150, the hopper 151 and the material pocket 140 is smaller than the diameter of the throat 171, so as to avoid the assembly being too large and blocking the throat 171 when falling off, thereby improving reliability.

[0056] Exemplarily, two material pockets 140 may be installed on each plate body 131. The length of the mounting plate 130 is 600 mm, which is 100 mm less than the diameter of the throat 171, to prevent the mounting plate 130 from being stuck at the throat 171 after falling off due to excessive wear.

[0057] In some examples, such as Figure 1 As shown, it also includes: a first sealing valve 180, which is arranged at the above-mentioned inlet; and a second sealing valve 181, which is arranged at the above-mentioned feed hole 161.

[0058] It is understandable that the blast furnace device 100 is further provided with a first sealing valve 180 and a second sealing valve 181. The first sealing valve 180 is provided at the entrance of the material tank 110, and can open or close the entrance of the material tank 110 to control whether the furnace charge enters the material tank 110. The second sealing valve 181 is installed on the connecting portion 160, and can open or close the material hole 161 to control whether the furnace charge in the material tank 110 enters the funnel 170.

[0059] In some examples, such as Figure 1 As shown, it also includes: a flap valve 191, which is arranged above the above-mentioned inlet; a throttle valve 192, which is arranged at the above-mentioned outlet; and a pressure equalizing release pipe 193, which is connected to the above-mentioned material tank 110.

[0060] It is understandable that the blast furnace device 100 is also provided with a flap valve 191, a throttle valve 192 and a pressure equalizing release pipe 193. Among them, the flap valve 191 is arranged above the entrance of the material tank 110 to control the discharge of materials. The throttle valve 192 is arranged at the outlet of the material tank 110 to control the discharge flow of the furnace charge in the material tank 110. The pressure equalizing release pipe 193 is connected to the material tank 110 to balance the pressure of the material tank 110.

[0061] It can be understood that the mounting plate 130, the hanger 150, the material pocket 140 and the hopper 151 can be installed on the liner 120 at the parts of the pressure equalizing discharge pipe 193 that are easily eroded by the air flow, the drop point from the flap valve 191 to the material tank 110, the drop point from the material tank 110 to the funnel 170 and other parts that are easily worn.

[0062] In some examples, such as Figure 1As shown, the lining plate 120 , the mounting plate 130 and the material tank 110 have the same curvature, and the lining plate 120 is provided with a straight cylinder lining plate 120 and a conical cylinder lining plate 120 according to the shape of the material tank 110 . Along the direction from the inlet to the outlet of the material tank 110 , the straight cylinder lining plate 120 is located above the conical cylinder lining plate 120 .

[0063] It is understandable that the liner 120, the mounting plate 130 and the tank 110 have the same curvature at corresponding positions to ensure the degree of fit. Further, the liner 120 is provided with a straight liner 120 and a conical liner 120 according to the shape of the tank 110, and the straight liner 120 is located above the conical liner 120 along the direction from the inlet to the outlet of the tank 110.

[0064] In some examples, the lining plate 120 is built-up with high chromium alloy at locations avoiding the countersunk fixing hole 121 and the second threaded hole 122 , and the material pocket 140 is formed by casting a high chromium alloy, wherein the chromium content of the high chromium alloy is 18% to 20%.

[0065] It is understood that the liner 120 may be provided with a bottom plate, the bottom plate material is ZGMm13, the bottom plate is surfacing with high chromium alloy at other parts avoiding the countersunk fixing hole 121 and the second threaded hole 122, and the material pocket 140 is formed by casting high chromium alloy to improve the wear resistance. The chromium content of the high chromium alloy is 18% to 20%, and the hardness is 52 to 58.

[0066] It should be understood that the terms first, second, etc. are only used to distinguish descriptions and should not be understood as indicating or suggesting relative importance. Although the terms first, second, etc. may be used herein to describe various units, these units should not be limited by these terms. These terms are only used to distinguish one unit from another unit. For example, the first unit may be referred to as the second unit, and similarly, the second unit may be referred to as the first unit without departing from the scope of the exemplary embodiments of the present invention.

[0067] It should be understood that the term "and / or" in this article is merely a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent three situations: A exists alone, B exists alone, and A and B exist at the same time. The term " / and" in this article describes another relationship between associated objects, indicating that two relationships may exist. For example, A / and B can represent two situations: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the previous and next associated objects are in an "or" relationship.

[0068] It should be understood that in the description of the present invention, the terms "upper", "vertical", "inside", "outside" and the like indicate orientations or positional relationships that are customarily placed when the disclosed product is used, or are orientations or positional relationships that are customarily understood by those skilled in the art. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0069] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0070] The terms used herein are only used to describe specific embodiments and are not intended to limit the exemplary embodiments of the present invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms unless the context clearly indicates the opposite meaning. It should also be understood that the terms "include", "comprising", "including", and / or "comprising" when used herein specify the existence of the claimed features, integers, steps, operations, units, and / or components, and do not exclude the existence or increase of one or more other features, quantities, steps, operations, units, components, and / or their combinations.

[0071] Specific details are provided in the following description to facilitate a complete understanding of the exemplary embodiments. However, it should be understood by those of ordinary skill in the art that the exemplary embodiments may be implemented without these specific details. In other embodiments, well-known processes, structures, and techniques may not be shown in unnecessary detail to avoid making the exemplary embodiments unclear.

[0072] The above is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

[0073] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field.

Claims

1. A blast furnace device, characterized in that: include: Material tank; A lining plate is arranged on the inner wall of the tank; The mounting plate is fitted and fixedly connected to the lining plate; A plurality of material pockets are mounted on the mounting plate through hanging parts, the plurality of material pockets are arranged at intervals along the direction from the inlet to the outlet of the material tank, the cross section of the material storage trough of the material pocket is a triangle, and the material pocket is an axisymmetric structure with the midline of the triangle as the axis of symmetry; Wherein, the material pocket is provided with a first side wall and a second side wall, the first side wall and the second side wall are arranged opposite to each other, and the hanger is detachably connected to the first side wall or the second side wall.

2. The blast furnace device according to claim 1, characterized in that: The mounting plate comprises: A plate body, fixedly connected to the lining plate; A boss, a plurality of the bosses are arranged at equal distances on the plate body, and along the direction from the inlet to the outlet, the boss is provided with a slot, the hanger is provided with an insert plate, the insert plate is inserted into the slot, the connection between the hanger and the material pocket abuts against the boss, and a hopper is provided on the top of the connection between the hanger and the above-mentioned material pocket, and the opening direction of the hopper is consistent with the opening direction of the storage tank.

3. The blast furnace device according to claim 2, characterized in that: Also includes: A fixing assembly is used to fix the liner to the material tank and the mounting plate to the liner.

4. The blast furnace device according to claim 3, characterized in that: The fixing assembly comprises: A first fastening bolt, the liner is provided with a countersunk fixing hole, the tank is provided with a first threaded hole, the first fastening bolt passes through the countersunk fixing hole and is screwed into the first threaded hole; A second fastening bolt, the boss is provided with a connecting hole, the lining plate is provided with a second threaded hole, and the second fastening bolt passes through the connecting hole and is screwed into the second threaded hole.

5. The blast furnace device according to claim 4, characterized in that: Also includes: A connecting part, the bottom of the material tank is inserted into the connecting part, and the connecting part is provided with a material passing hole; A funnel is connected to the connecting portion and communicated with the outlet through the material passing hole. A throat is arranged at the bottom center of the funnel, and the lining plate, the mounting plate and the material pocket are arranged on the inner side wall of the funnel.

6. The blast furnace device according to claim 5, characterized in that: The mounting plate is formed by splicing a plurality of the plate bodies, and the longest distance dimension on the outline of the assembly of each of the plate bodies and the material pocket is smaller than the diameter dimension of the throat.

7. The blast furnace device according to claim 5, characterized in that: Also includes: A first sealing valve, disposed at the inlet; The second sealing valve is arranged at the feeding hole.

8. The blast furnace device according to claim 5, characterized in that: Also includes: A flap valve is arranged above the inlet; A throttle valve is arranged at the outlet; A pressure-equalizing release pipe is connected to the material tank.

9. The blast furnace plant according to any one of claims 1 to 8, characterized in that: The liner, the mounting plate and the tank have the same curvature, and the liner is provided with a straight liner and a conical liner according to the shape of the tank. Along the direction from the inlet to the outlet of the tank, the straight liner is located above the conical liner.

10. The blast furnace device according to claim 1, characterized in that: The lining plate is built-up with high chromium alloy at locations avoiding the countersunk fixing hole and the second threaded hole. The material pocket is formed by casting the high chromium alloy. The chromium content of the high chromium alloy is 18% to 20%.

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