CN216891053U

CN216891053U - Blast furnace tuyere disassembling device

Info

Publication number: CN216891053U
Application number: CN202220537542.2U
Authority: CN
Inventors: 姜焘; 李忠宝; 杨德龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-05
Anticipated expiration: 2032-03-11

Abstract

The application discloses a blast furnace tuyere dismounting device which comprises a tuyere large sleeve, a tuyere middle sleeve, a dismounting mechanism and a connecting mechanism; the disassembling mechanism comprises a stress plate and connecting rods, the stress plate is arranged on one side of the tuyere large sleeve, a hydraulic jack is arranged on one side of the stress plate, the pressing plate is connected to one side of the hydraulic jack, a screw rod is arranged inside the tuyere large sleeve, one end of the screw rod penetrates through the stress plate to be connected with the pressing plate, a nut is sleeved on the surface of one end of the screw rod, a tuyere middle sleeve is arranged on one side of the tuyere large sleeve, an eave tile is arranged on one side of the tuyere middle sleeve, one side of the eave tile is connected with the connecting rods, and a supporting plate is arranged between the connecting rods. This application is when hydraulic jack during operation, and hydraulic jack acts on the thrust on the clamp plate, can take with the connecting rod take out wind gap well cover, and its is rational in infrastructure, easy operation, easily processing, under the condition of protecting the blast furnace inner tube, can be convenient tear it out by the inside of big cover, reduce the labour.

Description

Blast furnace tuyere disassembling device

Technical Field

The application relates to the field of blast furnaces, in particular to a disassembling device for a blast furnace tuyere.

Background

The blast furnace uses steel plate as furnace shell, and refractory brick lining is built in the shell. The blast furnace body is divided into a furnace throat, a furnace body, a furnace waist, a furnace belly and a furnace hearth 5 from top to bottom. Because of the advantages of good economic index, simple process, large production capacity, high labor production efficiency, low energy consumption and the like of the blast furnace ironmaking technology, the iron produced by the method accounts for the vast majority of the total iron production in the world.

When the middle sleeve is replaced during the large and medium maintenance of the blast furnace or when the middle sleeve is damaged in production and needs to be replaced, the maintenance operation method is to use a pull rod to pull out the middle sleeve in a mode of manually driving a sliding hammer to impact the pull rod; if the method can not take out the middle sleeve, an oxygen burning method is selected to burn out the middle sleeve so as to reduce the softening volume of the middle sleeve, and then the middle sleeve is pulled out. The two methods can damage the middle sleeve, so that the middle sleeve cannot be used for the second time, the method needs more manpower (at least 6-7 persons), consumes more materials (oxygen blowing pipes, coke and oxygen) and time (generally more than 4 hours), and is easy to burn the large sleeve like oxygen burning operation, so that the accident is further enlarged, and the economic and manpower losses are caused. Therefore, the blast furnace tuyere disassembling device is provided to solve the problems.

Disclosure of Invention

The blast furnace tuyere disassembling device is provided in the embodiment and used for solving the problem of complex disassembly in the prior art.

According to one aspect of the application, a blast furnace tuyere disassembling device is provided, which comprises a tuyere large sleeve, a tuyere middle sleeve, a disassembling mechanism and a connecting mechanism;

the disassembly mechanism comprises a stress plate and connecting rods, the stress plate is arranged on one side of the tuyere large sleeve, a hydraulic jack is arranged on one side of the stress plate, the pressing plate is connected to one side of the hydraulic jack, a screw rod is arranged inside the tuyere large sleeve, one end of the screw rod penetrates through the stress plate to be connected with the pressing plate, a nut is sleeved on the surface of one end of the screw rod, the tuyere medium sleeve is arranged on one side of the tuyere large sleeve, a hook is arranged on one side of the tuyere medium sleeve, one side of the hook is connected with the connecting rods, and a supporting plate is arranged between the connecting rods.

Further, coupling mechanism includes fixed block and stopper, the fixed block is connected with the connecting rod, the inside second thread groove of seting up of fixed block one end, the lead screw passes through the second thread groove and connects the fixed block, the inside first thread groove of seting up of lead screw one end, the inside threaded rod that is equipped with of fixed block, threaded rod one end is through first thread groove connection lead screw, the spacing groove is seted up on lead screw one end surface, fixed block both ends surface all is equipped with the regulation pole, it runs through the fixed block and connects the stopper to adjust the pole bottom, the stopper is located the spacing inslot.

Furthermore, the outer diameter of the left end of the tuyere middle sleeve is larger than the inner diameter of the right end of the tuyere large sleeve, and the hook head is clamped with the tuyere middle sleeve.

Furthermore, the top and the bottom grooves of the supporting plate are connected with the connecting rod in a clamping mode, and the hydraulic jack is connected with the stress plate through the large sleeve pin shaft.

Furthermore, the adjusting rod is connected with the fixing block through threads, the width of the limiting block is smaller than that of the limiting groove, and the limiting groove is of an annular structure.

Furthermore, the inner diameter of one end of the tuyere large sleeve, which is far away from the tuyere medium sleeve, is smaller than that between the stress plates, and a mounting hole is formed in the end of the tuyere large sleeve.

Through the above-mentioned embodiment of this application, adopted and disassembled the mechanism, solved and disassembled loaded down with trivial details problem, gained quick disassembly effect.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of one embodiment of the present application;

FIG. 2 is a schematic front view of an embodiment of the present application;

fig. 3 is a partially enlarged view of a portion a of fig. 2 according to an embodiment of the present disclosure.

In the figure: 1. hooking the head; 2. a connecting rod; 3. a support plate; 4. a fixed block; 5. a screw rod; 6. a stress plate; 7. pressing a plate; 8. a nut; 9. a hydraulic jack; 10. a large set of pin shafts; 11. a tuyere large sleeve; 12. a tuyere medium sleeve; 13. a limiting block; 14. a first thread groove; 15. a second thread groove; 16. a threaded rod; 17. adjusting a rod; 18. a limiting groove.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-3, a blast furnace tuyere dismounting device includes a tuyere large sleeve 11, a tuyere medium sleeve 12, a dismounting mechanism and a connecting mechanism;

the disassembly mechanism comprises a stress plate 6 and a connecting rod 2, the stress plate 6 is arranged on one side of a tuyere large sleeve 11, a hydraulic jack 9 is arranged on one side of the stress plate 6, a pressing plate 7 is connected on one side of the hydraulic jack 9, a screw rod 5 is arranged inside the tuyere large sleeve 11, one end of the screw rod 5 penetrates through the stress plate 6 and is connected with the pressing plate 7, a nut 8 is sleeved on the surface of one end of the screw rod 5, a tuyere middle sleeve 12 is arranged on one side of the tuyere large sleeve 11, a hook 1 is arranged on one side of the tuyere middle sleeve 12, one side of the hook 1 is connected with the connecting rod 2, and a supporting plate 3 is arranged between the connecting rod 2.

The connecting mechanism comprises a fixed block 4 and a limiting block 13, the fixed block 4 is connected with the connecting rod 2, a second thread groove 15 is formed in one end of the fixed block 4, the lead screw 5 is connected with the fixed block 4 through the second thread groove 15, a first thread groove 14 is formed in one end of the lead screw 5, a threaded rod 16 is arranged in the fixed block 4, one end of the threaded rod 16 is connected with the lead screw 5 through the first thread groove 14, a limiting groove 18 is formed in the surface of one end of the lead screw 5, adjusting rods 17 are arranged on the surfaces of the two ends of the fixed block 4, the bottom end of each adjusting rod 17 penetrates through the fixed block 4 to be connected with the limiting block 13, and the limiting block 13 is located in the limiting groove 18; the outer diameter of the left end of the tuyere medium sleeve 12 is larger than the inner diameter of the right end of the tuyere large sleeve 11, and the hook head 1 is clamped with the tuyere medium sleeve 12; the top and bottom grooves of the supporting plate 3 are clamped with the connecting rod 2, and the hydraulic jack 9 is connected with the stress plate 6 through a large sleeve of pin shaft 10, so that the hydraulic jack 9 is convenient to mount; the adjusting rod 17 is connected with the fixing block 4 through threads, the width of the limiting block 13 is smaller than that of the limiting groove 18, and the limiting groove 18 is of an annular structure and can limit the screw rod 5; the inner diameter of one end of the tuyere large sleeve 11, which is far away from the tuyere medium sleeve 12, is smaller than that between the stress plates 6, and the end of the tuyere large sleeve 11 is provided with a mounting hole, so that the stress plates 6 can be conveniently mounted.

When the tuyere medium sleeve is used, when the hydraulic jack 9 works, the thrust of the hydraulic jack 9 acting on the pressing plate 7 can be matched with the pressing plate 7 and the screw rod 5 to take out the tuyere medium sleeve 12 by the connecting rod 2;

when the screw rod 5 is connected with the fixing block 4, the first thread groove 14 at one end of the screw rod 5 is aligned to the threaded rod 16, then the screw rod 5 is connected with the screw rod 5 through the second thread groove 15, the screw rod 5 and the connecting rod 2 are conveniently connected, the limiting block 13 is driven by the adjusting rod 17 to move into the limiting groove 18, the screw rod 5 is conveniently limited, and the situation that the screw rod 5 is connected with the fixing block 4 and loosened is avoided.

The application has the advantages that:

when the hydraulic jack works, the thrust of the hydraulic jack acting on the pressing plate can take the tuyere middle sleeve out by the connecting rod, the structure is reasonable, the operation is simple, the processing is easy, the tuyere middle sleeve can be conveniently disassembled from the inner part of the large sleeve under the condition of protecting the blast furnace sleeve, the labor force is reduced, the working efficiency is improved, and the stability of the blast furnace production process is ensured; the labor intensity of workers is reduced; the hydraulic principle is adopted, the operation is simple, and the safety of workers is guaranteed.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a blast furnace tuyere detaching device which characterized in that: comprises a tuyere large sleeve (11), a tuyere medium sleeve (12), a disassembling mechanism and a connecting mechanism;

the disassembly mechanism comprises a stress plate (6) and a connecting rod (2), the stress plate (6) is arranged on one side of a tuyere large sleeve (11), a hydraulic jack (9) is arranged on one side of the stress plate (6), a pressing plate (7) is connected on one side of the hydraulic jack (9), a screw rod (5) is arranged inside the tuyere large sleeve (11), one end of the screw rod (5) penetrates through the stress plate (6) and is connected with the pressing plate (7), a nut (8) is sleeved on one end surface of the screw rod (5), a tuyere medium sleeve (12) is arranged on one side of the tuyere large sleeve (11), a hook head (1) is arranged on one side of the tuyere medium sleeve (12), one side of the hook head (1) is connected with the connecting rod (2), and a support plate (3) is arranged between the connecting rods (2).

2. The blast furnace tuyere disassembling device according to claim 1, wherein: the connecting mechanism comprises a fixing block (4) and a limiting block (13), the fixing block (4) is connected with a connecting rod (2), a second thread groove (15) is formed in one end of the fixing block (4), the lead screw (5) is connected with the fixing block (4) through the second thread groove (15), a first thread groove (14) is formed in one end of the lead screw (5), a threaded rod (16) is arranged in the fixing block (4), one end of the threaded rod (16) is connected with the lead screw (5) through the first thread groove (14), the limiting groove (18) is formed in one end surface of the lead screw (5), adjusting rods (17) are arranged on two end surfaces of the fixing block (4), the bottom ends of the adjusting rods (17) penetrate through the fixing block (4) to connect the limiting block (13), and the limiting block (13) is located in the limiting groove (18).

3. The blast furnace tuyere disassembling device according to claim 1, wherein: the outer diameter of the left end of the tuyere medium sleeve (12) is larger than the inner diameter of the right end of the tuyere large sleeve (11), and the hook head (1) is clamped with the tuyere medium sleeve (12).

4. The blast furnace tuyere disassembling device according to claim 1, wherein: the top and the bottom of the supporting plate (3) are connected with the connecting rod (2) in a clamping mode, and the hydraulic jack (9) is connected with the stress plate (6) through a large sleeve pin shaft (10).

5. The blast furnace tuyere disassembling device according to claim 2, wherein: the adjusting rod (17) is connected with the fixing block (4) through threads, the width of the limiting block (13) is smaller than that of the limiting groove (18), and the limiting groove (18) is of an annular structure.

6. The blast furnace tuyere disassembling device according to claim 1, wherein: the inner diameter of one end of the tuyere large sleeve (11) far away from the tuyere medium sleeve (12) is smaller than that between the stress plates (6), and the end of the tuyere large sleeve (11) is provided with a mounting hole.