Multifunctional mobile blast furnace tuyere replacing vehicle device

By designing a multi-functional mobile blast furnace tuyere replacement vehicle, the operation process was simplified, solving the problems of high labor intensity and safety hazards in blast furnace tuyere replacement. This enabled efficient and safe tuyere replacement, improving blast furnace production efficiency and economic benefits.

CN223983670UActive Publication Date: 2026-03-10BENGANG STEEL PLATES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Changing tuyeres in blast furnace production is labor-intensive and time-consuming, poses safety hazards, and affects production efficiency. Long shutdown times lead to output and economic losses.

Method used

A multifunctional mobile blast furnace tuyere replacement vehicle device is designed, including components such as loading and unloading hooks, hook heads, mobile frame units, sliding hammers, and pulling ropes. By simplifying the operation process and integrating the design, manual operation steps are reduced and work efficiency is improved.

Benefits of technology

It significantly reduces the time required to replace tuyeres, reduces the labor intensity of workers, reduces the risk of safety accidents, reduces production losses, and improves blast furnace production efficiency and economic benefits.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a multifunctional movable blast furnace tuyere replacing vehicle device. The multifunctional movable blast furnace tuyere replacing vehicle device comprises a loading and unloading hook, a hook head, a movable frame unit, a sliding hammer, a pulling rope and a sliding hammer baffle, the moving trolley unit can be divided into a moving trolley frame, two solid tire brakes, a sleeve and a lifting rod fixing bolt, and the height of the moving trolley can be adjusted up and down. According to the multifunctional movable blast furnace tuyere replacing vehicle device, the loading and unloading hook is conveyed to a tuyere through the movable vehicle, after the loading and unloading hook is fixed, the replaced tuyere is dragged down, a bad tuyere on the loading and unloading hook is directly conveyed to a designated place through the movable vehicle, and meanwhile the good tuyere is conveyed to a replacing place. The device is simple in structure and use method and low in equipment cost, shortens tuyere replacement time, reduces the labor intensity of workers to the greatest extent, reduces yield loss caused by long tuyere replacement time during blast furnace damping down, and avoids economic loss caused by difficult furnace condition recovery and technical index decline due to long tuyere replacement damping down time.
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Description

Technical Field

[0001] This utility model relates to the technical field of blast furnace equipment, and more specifically, to a multifunctional mobile blast furnace tuyere replacement vehicle device. Background Technology

[0002] Blast furnace production requires the periodic replacement of tuyeres. Due to the harsh environment of the blast furnace site, including dust, noise, and high temperatures, the labor intensity for workers replacing tuyeres is high and the hours are long. Especially with continuous work in high temperatures, heatstroke is a serious risk, leading to safety accidents. Prolonged maintenance delays affect the blast furnace maintenance schedule, impacting production losses caused by extended shutdowns. Furthermore, prolonged shutdowns can lead to difficulties in restoring furnace conditions and a decline in technical indicators, resulting in economic losses and severely restricting blast furnace production. Summary of the Invention

[0003] To address the issues of high labor intensity, long working hours, and extended downtime associated with blast furnace tuyere replacement, this invention provides a multifunctional mobile blast furnace tuyere replacement device. This device utilizes an integrated mobile blast furnace tuyere replacement vehicle to shorten tuyere replacement time, reduce worker workload, and eliminate potential safety hazards and accidents.

[0004] The technical means adopted in this utility model are as follows:

[0005] A multifunctional mobile blast furnace tuyere replacement car device includes: a loading and unloading hook, a hook head, a mobile car frame unit, a sliding hammer, a pulling rope, and a sliding hammer baffle.

[0006] The loading and unloading hook has a bent hook head at one end and a sliding hammer at the other end. The loading and unloading hook is slidably connected to the mobile frame unit through a sleeve.

[0007] The mobile frame unit includes a mobile frame, a first solid tire, a second solid tire, a sleeve, a first lifting rod fixing bolt, and a second lifting rod fixing bolt.

[0008] The sliding hammer, installed at the rear of the loading and unloading hook, can move along the axial direction of the loading and unloading hook and loosen the air vent by impacting the sliding hammer baffle.

[0009] The pull rope has one end connected to the hook of the loading and unloading hook, used to pull the air vent, and the other end connected to the mobile frame through a fixing piece, used to move the air vent out of the furnace or reset it.

[0010] Furthermore, the loading and unloading hook rod can slide along the sleeve axis and loosen the air vent through the sliding hammer.

[0011] Furthermore, the lifting rod fixing bolts of the mobile frame unit can be adjusted in multiple levels of height.

[0012] Furthermore, the mobile frame unit is equipped with a braking device.

[0013] Furthermore, the mobile frame unit is equipped with a folding mechanism, which can reduce the size of the device when not in use for easy storage and transportation.

[0014] Furthermore, the end of the pull rope is equipped with an anti-disengagement hook design, which can effectively prevent the rope from slipping during operation.

[0015] By adopting the above technical solution, this utility model has the following advantages compared with the prior art:

[0016] 1. This utility model provides a multi-functional mobile blast furnace tuyere replacement vehicle device. Through its simplified structure and multi-functional integrated design, it effectively reduces the workload of workers, avoids the high-intensity physical labor of traditional replacement methods, and significantly reduces the time required for tuyere replacement. This improvement not only increases work efficiency but also reduces the risk of heatstroke or other safety accidents that may be caused by prolonged work.

[0017] 2. The multifunctional mobile blast furnace tuyere replacement vehicle provided by this utility model optimizes the tuyere replacement process, which traditionally required 6 people to operate, to only 2 people. This reduces the risk of safety accidents caused by the bulky equipment and complex operation, significantly reduces labor costs, helps increase production and reduce consumption, and creates greater economic benefits for enterprises.

[0018] 3. The multifunctional mobile blast furnace tuyere replacement vehicle device provided by this utility model significantly shortens the downtime required for blast furnace tuyere replacement, thereby reducing production losses caused by long-term shutdowns, avoiding the problem of blast furnace conditions being difficult to recover and technical indicators declining due to prolonged downtime, and providing a guarantee for the continuous and efficient operation of blast furnace production.

[0019] Based on the above reasons, this utility model can be widely promoted in the field of blast furnace equipment technology. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of a multifunctional mobile blast furnace tuyere replacement vehicle according to the present invention.

[0022] In the diagram: 1. Loading hook; 2. Mobile frame unit; 21. First solid tire; 22. Second solid tire; 23. First lifting fixing bolt; 24. Second lifting fixing bolt; 25. Sleeve; 26. Positioning bolt; 27. Mobile frame; 3. Sliding hammer; 4. Pull rope; 5. Sliding hammer baffle. Detailed Implementation

[0023] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this utility model or its application or use. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to the present invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0026] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0027] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0028] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation besides the orientation of the device as described in the figures. For example, if the device in the figures is inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0029] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0030] like Figure 1 As shown, this utility model provides a multi-functional mobile blast furnace tuyere replacement vehicle device, including: a loading and unloading hook 1, a mobile frame unit 2, a sliding hammer 3, a pulling rope 4, and a sliding hammer 3 baffle;

[0031] The loading and unloading hook 1 has a bent hook head at one end and a sliding hammer 3 at the other end. The loading and unloading hook 1 is slidably connected to the mobile frame unit 2 through the sleeve 25.

[0032] The mobile frame unit 2 includes a mobile frame 27, a first solid tire 21, a second solid tire 22, a sleeve 25, a first lifting fixing bolt 23, and a second lifting fixing bolt 24;

[0033] The sliding hammer 3 is installed at the rear of the loading and unloading hook 1 and can move along the axial direction of the loading and unloading hook 1. It loosens the air vent by hitting the baffle of the sliding hammer 3.

[0034] The pull rope 4 is connected at one end to the hook of the loading and unloading hook 1 and is used to pull the air vent. The other end is connected to the mobile frame 27 through a fixing piece and is used to move the air vent out of the furnace or reset it.

[0035] Furthermore, the multi-functional mobile blast furnace tuyere replacement device is moved to the working area of ​​the blast furnace tuyere, ensuring that the device is in place smoothly. The braking device on the mobile frame unit 2 is activated to fix the position of the mobile car. According to the height of the tuyere, the first lifting fixing bolt 23 and the second lifting fixing bolt 24 of the mobile frame 27 are adjusted, and the mobile frame 27 is fixed to the sleeve 25 by the positioning bolt 26. The hook head of the loading and unloading hook 1 is aligned with the upper edge of the tuyere. The bent hook head of the loading and unloading hook 1 is inserted into the upper edge of the tuyere to securely hook the tuyere. The moving sliding hammer 3 impacts the baffle of the sliding hammer 3 along the axial direction of the loading and unloading hook 1. Through multiple impacts, the impact force is generated to loosen the fixation between the tuyere and the furnace body. Check whether the tuyere is completely loosened to ensure that it can be removed smoothly.

[0036] Furthermore, by controlling the tension of the pull rope 4, the loose air vent is pulled down and suspended on the loading and unloading hook 1. After stabilizing the device, the sliding hammer 3 is reset to prevent additional interference to the loading and unloading hook 1 or the pull rope 4 during operation. The moving frame 27 is adjusted and pushed to transport the old air vent to the designated storage area.

[0037] Further, the new tuyere is loaded onto the loading hook 1 manually or with auxiliary equipment, ensuring a secure connection between it and the hook head. The car frame is then pushed to the designated tuyere installation position on the blast furnace. The braking device is reactivated to stabilize the device. The height of the lifting rod is adjusted so that the new tuyere is aligned with the installation position. Through the coordinated operation of the pulling rope 4 and the loading hook 1, the new tuyere is accurately pushed into the blast furnace tuyere installation slot. The sliding hammer 3 is used to ensure the new tuyere is tightly fixed through multiple impacts, thus completing the tuyere installation.

[0038] Furthermore, the loading and unloading hook 1 can slide along the axial direction of the sleeve 25 and loosen the air vent through the sliding hammer 3.

[0039] Furthermore, the first lifting fixing bolt 23 and the second lifting fixing bolt of the mobile frame unit 2 can be adjusted in multiple levels.

[0040] Furthermore, the mobile frame unit 2 is equipped with a braking device.

[0041] Furthermore, the mobile frame unit 2 is equipped with a folding mechanism, which can reduce the size of the device when not in use for easy storage and transportation.

[0042] Furthermore, the end of the pull rope 4 is equipped with an anti-disengagement design, which can effectively prevent the rope from slipping during operation; the slide hammer baffle 5 can prevent the slide hammer 3 from falling off.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A multi-functional mobile-type blast furnace tuyere replacement vehicle device, characterized by comprising: The utility model relates to a device for loading and unloading the tuyere of a blast furnace, comprising: a loading and unloading hook, a hook head, a mobile frame unit, a sliding hammer, a pulling rope, and a sliding hammer baffle; the loading and unloading hook has a curved hook head at one end and is connected to the sliding hammer at the other end, and the loading and unloading hook is slidably connected to the mobile frame unit through a sleeve pipe; the mobile frame unit comprises a mobile frame, a first solid tire, a second solid tire, a sleeve pipe, a first lifting rod fixing bolt, and a second lifting rod fixing bolt; the sliding hammer is installed at the rear of the loading and unloading hook, can move axially along the loading and unloading hook, and loosens the tuyere by hitting the sliding hammer baffle; the pulling rope is connected to the hook head of the loading and unloading hook at one end and is used to pull the tuyere, and is connected to the mobile frame through a fixing piece at the other end and is used to move the tuyere out of the furnace mouth or reset the tuyere; the sliding hammer baffle is arranged at the end of the device to prevent the sliding hammer from falling off.

2. The multi-functional mobile blast furnace tuyere replacement vehicle apparatus according to claim 1, characterized by The loading and unloading hook rod can slide axially along the sleeve pipe and loosen the tuyere by the sliding hammer.

3. The multi-functional mobile blast furnace tuyere replacement vehicle apparatus according to claim 1, characterized by The lifting rod fixing bolt of the mobile frame unit can adjust the height in multiple stages.

4. The multi-functional mobile blast furnace tuyere replacement vehicle apparatus according to claim 1, characterized by The mobile frame unit is provided with a brake device.

5. The multi-functional mobile blast furnace tuyere replacement vehicle apparatus according to claim 1, characterized by The mobile frame unit is equipped with a folding mechanism, which can reduce the size of the device in the non-use state to facilitate storage and transportation.

6. The multi-functional mobile blast furnace tuyere replacement vehicle apparatus according to claim 1, characterized by The end of the pulling rope is provided with an anti-unhooking design, which can effectively prevent the rope from slipping off during operation.