A blast furnace iron outlet channel with assembled structure and assembly method thereof

By designing a prefabricated structure blast furnace discharge groove, including a transfer box and a variety of support mechanisms, the problem of troubles in the docking operation of the iron drain in the prior art and the inability to adjust the flow direction of the iron drain is solved, and flexible docking of the iron drain and convenient adjustment of the flow direction of the iron drain is achieved, and the transportation convenience is improved.

CN115094177BActive Publication Date: 2025-03-07SHANGHAI QIXIN FIREPROOF MATERIAL CO LTD +1
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Patent Information

Application Number
CN202210681113.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-06-16
Publication Date
2025-03-07
Estimated Expiration
2042-06-16

AI Technical Summary

Technical Problem

The existing blast furnace discharge grooves are troublesome to operate when docking, and they cannot connect at different angles according to actual needs, and cannot transport molten iron according to actual terrain, which makes it inconvenient to adjust the flow direction of molten iron.

Method used

A prefabricated structure blast furnace discharge groove is designed, including a base, a transfer box, a rotating support mechanism, a mobile docking mechanism and a limiting mechanism, through which flexible docking and angle adjustment of the discharge groove is achieved.

Benefits of technology

It realizes convenient installation and operation of iron drainage ditches, can change the flow direction of molten iron according to needs, adapt to the conveying needs of different terrains, and improves the conveying convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses an assembled structure of a blast furnace iron outlet ditch and an assembly method thereof, belonging to the technical field of blast furnace iron outlet ditch, comprising a base and a transfer box arranged on the top of the base, the top of the transfer box is open, an iron outlet ditch 1 is arranged above the transfer box, an iron outlet ditch 2 is arranged on one side of the transfer box, and a transfer port is opened on one side of the transfer box; a rotating support mechanism is used to drive the iron outlet ditch 1 to rotate above the transfer box; a moving docking mechanism drives the iron outlet ditch 2 to move horizontally and dock with the transfer port on the transfer box; a limiting mechanism is used to fix the position of the iron outlet ditch 2; the rotating support mechanism includes a support shaft fixed in the transfer box; the present invention facilitates the installation of two iron outlet ditches, is easy to install, simple to operate and has a firm structure, is easy to adjust the angle between the two iron outlet ditches, thereby changing the flow direction of molten iron, and is convenient for transporting molten iron according to actual terrain requirements, thereby improving transportation convenience.
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Description

Technical Field

[0001] The invention relates to the technical field of blast furnace iron outlet channels, and in particular to a blast furnace iron outlet channel with an assembled structure and an assembly method thereof. Background Art

[0002] The blast furnace is made of steel plates as the shell, and the shell is lined with refractory bricks. The blast furnace body is divided into the throat, body, waist, belly and hearth from top to bottom. Due to the advantages of good technical and economic indicators of blast furnace ironmaking, simple process, large production volume, high labor production efficiency and low energy consumption, this method of iron production accounts for the vast majority of the world's total iron production. During the blast furnace tapping process, high-temperature molten iron and slag flow out from the blast furnace iron mouth.

[0003] The existing two blast furnace iron outlet channels are troublesome to operate when docking. At the same time, the two iron outlet channels can only be docked in a straight line. The two iron outlet channels cannot be docked at different angles according to actual needs, and the molten iron cannot be transported according to the actual terrain, making it inconvenient to adjust the flow direction of the molten iron. For this reason, we propose a blast furnace iron outlet channel with an assembled structure and an assembly method thereof. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a blast furnace iron outlet channel with an assembled structure and an assembly method thereof, which overcomes the deficiencies in the prior art and aims to solve the problems in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a blast furnace iron outlet ditch of an assembled structure, comprising a base and a transfer box arranged on the top of the base, the top of the transfer box is open, an iron outlet ditch 1 is arranged above the transfer box, an iron outlet ditch 2 is arranged on one side of the transfer box, and a transfer port is opened on one side of the transfer box;

[0006] A rotating support mechanism, used for driving the iron outlet channel to rotate above the transfer box;

[0007] The mobile docking mechanism drives the second iron outlet channel to move horizontally and dock with the transfer port on the transfer box;

[0008] The limiting mechanism is used to fix the position of the second iron outlet groove.

[0009] As a preferred technical solution of the present invention, the rotating support mechanism includes a support shaft fixed in the transfer box, a circular groove is provided at the bottom of the iron outlet groove 1, the top side wall of the support shaft is slidably contacted with the inner side wall of the circular groove, the iron outlet groove 1 can rotate in a circle around the support shaft, and a circular disk is fixedly sleeved on the transfer box, and the bottom of the iron outlet groove 1 is slidably connected with the top of the circular disk.

[0010] As a preferred technical solution of the present invention, the rotating support mechanism also includes a horizontal plate fixedly installed on the inner wall of one side of the transfer box, a load-bearing rod is fixed between the bottom of the horizontal plate and the inner wall of the transfer box, and the support shaft is fixed to the top of the horizontal plate.

[0011] As a preferred technical solution of the present invention, a support rod is fixedly installed at the bottom of the iron outlet groove, a steel ball is rollingly installed at the bottom of the support rod, an annular groove is opened on the top of the circular disk, and the steel ball is rollingly connected to the inner wall of the annular groove.

[0012] As a preferred technical solution of the present invention, an inclined baffle is fixed on the top of one end of the iron outlet groove one, the baffle is located directly above the transfer box, and two inclined pull rods are fixedly installed between the baffle and the iron outlet groove one.

[0013] As a preferred technical solution of the present invention, the mobile docking mechanism includes a slide groove opened on the top of the base, a slider is slidably installed in the slide groove, a rectangular groove is opened at the bottom of the second iron outlet groove, the top of the slider is inserted into the rectangular groove, a threaded rod is rotatably installed in the slide groove, an operating rod fixedly connected to the threaded rod is rotatably installed at one end of the base, and a handle is fixedly installed on the operating rod.

[0014] As a preferred technical solution of the present invention, a guide rod is fixedly installed in the slide groove, and the sliding block is slidably sleeved on the guide rod.

[0015] As a preferred technical solution of the present invention, the limiting mechanism includes a positioning block fixedly installed on one end of the base, a lifting rod is slidably installed on the positioning block, a handle is fixed at the bottom of the lifting rod, the top of the lifting rod slides through the positioning block and is fixed with a rack, a gear meshing with the rack is fixed on the operating rod, and a spring is fixed between the bottom of the rack and the positioning block.

[0016] Another aspect of the present invention discloses a method for assembling a blast furnace iron outlet channel of an assembled structure, characterized in that it comprises the following steps:

[0017] S1. Align the circular groove at the bottom of the first iron outlet groove with the support shaft, and align the steel ball at the bottom of the first iron outlet groove with the annular groove on the circular plate, then lower the first iron outlet groove, insert the support shaft into the circular groove at the bottom of the first iron outlet groove, and insert the steel ball into the annular groove to complete the installation of the first iron outlet groove;

[0018] S2, align the rectangular groove at the bottom of the second iron outlet groove with the slider and lower it, and insert the slider into the rectangular groove on the second iron outlet groove;

[0019] S3, pull the handle downward to drive the lifting rod to move downward, drive the rack to move downward, and compress the spring, so that the rack and the gear are separated;

[0020] S4. Manually rotate the handle to drive the operating rod to rotate, which drives the threaded rod to rotate so that the slider moves horizontally and drives the second iron outlet ditch to move horizontally against one side of the transfer box and dock with the transfer port, completing the installation of the second iron outlet ditch.

[0021] Beneficial effects of the present invention:

[0022] By aligning the circular groove at the bottom of the first iron outlet groove with the supporting shaft, and aligning the steel ball at the bottom of the first iron outlet groove with the annular groove on the circular disk, the first iron outlet groove is then lowered, the supporting shaft is inserted into the circular groove at the bottom of the first iron outlet groove, and the steel ball enters the annular groove, and the installation of the first iron outlet groove is completed; the rectangular groove at the bottom of the second iron outlet groove is aligned with the slider and lowered, and the slider is inserted into the rectangular groove on the second iron outlet groove; then the handle is pulled downward to drive the lifting rod to descend and drive the rack to descend, and the spring is compressed, and the rack is disengaged from the gear; finally, the handle is manually turned to drive the operating rod to rotate, and the threaded rod is driven to rotate so that the slider moves horizontally and drives the second iron outlet groove to move horizontally against one side of the transfer box and dock with the transfer port, and then the handle is released, and the rack is pushed up and meshed with the gear under the restoring force of the spring, limiting the rotation of the operating rod and the threaded rod, so that the slider can be fixed in position, the second iron outlet groove is fixed in position, and the installation of the second iron outlet groove is completed, which is convenient for the installation of the two iron outlet grooves, easy to install, simple to operate and reliable in structure.

[0023] After the installation is completed, the molten iron enters the transfer box through the iron outlet groove one, enters the iron outlet groove two through the transfer port and is discharged. The baffle blocks the molten iron from rushing out of the transfer box. The iron outlet groove one and the iron outlet groove two are vertically arranged in space. By adjusting the spatial angle of the iron outlet groove one and the iron outlet groove two, the flow direction of the molten iron can be changed as needed. The support rod is manually pushed to make a circular motion, so that the steel ball rolls in the annular groove, and the iron outlet groove one can rotate in a circle around the support shaft, thereby adjusting the angle between the iron outlet groove one and the iron outlet groove two, which is convenient for adjusting the angle between the two iron outlet grooves, thereby changing the flow direction of the molten iron, and facilitating the transportation of molten iron according to actual terrain requirements, thereby improving transportation convenience.

[0024] The present invention facilitates the installation of two iron outlet grooves, is easy to install, simple to operate and has a reliable structure. It is easy to adjust the angle between the two iron outlet grooves, thereby changing the flow direction of molten iron, facilitating the transportation of molten iron according to actual terrain requirements and improving transportation convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present invention;

[0026] Figure 2 It is a structural schematic diagram of the present invention;

[0027] Figure 3 It is a schematic diagram of the structure of the transfer box of the present invention;

[0028] Figure 4 It is a schematic diagram of the chute structure of the present invention;

[0029] Figure 5 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0030] Figure 6 It is a schematic diagram of the cross-sectional structure of the first and second iron outlet grooves of the present invention.

[0031] In the figure: 1. base; 101. slide groove; 102. guide rod; 103. threaded rod; 104. operating rod; 105. handle; 106. gear; 107. positioning block; 108. lifting rod; 109. handle; 1010. rack; 1011. spring; 2. transfer box; 201. reinforcement rod; 3. iron outlet groove 1; 301. support rod; 302. steel ball; 303. circular groove; 304. pull rod; 305. baffle; 4. iron outlet groove 2; 401. rectangular groove; 5. support shaft; 501. horizontal plate; 6. slider; 7. circular disk; 701. annular groove; 8. transfer port. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Reference Figure 1-3 A blast furnace iron outlet ditch of an assembled structure comprises a base 1 and a transfer box 2 arranged on the top of the base 1, the top of the transfer box 2 is open, an iron outlet ditch 1 3 is arranged above the transfer box 2, an iron outlet ditch 2 4 is arranged on one side of the transfer box 2, and a transfer port 8 is opened on one side of the transfer box 2; molten iron enters the transfer box 2 through the iron outlet ditch 1 3, and enters the iron outlet ditch 2 4 through the transfer port 8 for discharge.

[0034] Reference Figure 2 and Figure 6, a rotating support mechanism is used to drive the iron outlet groove 3 to rotate above the transfer box 2; the rotating support mechanism includes a support shaft 5 fixed in the transfer box 2, a circular groove 303 is provided at the bottom of the iron outlet groove 3, the top side wall of the support shaft 5 is in sliding contact with the inner side wall of the circular groove 303, and the iron outlet groove 3 can rotate in a circle around the support shaft 5, and a circular plate 7 is fixedly sleeved on the transfer box 2, a reinforcing rod 201 is fixed between the circular plate 7 and the outer wall of the transfer box 2, and the bottom of the iron outlet groove 3 is slidably connected with the top of the circular plate 7. Manually push the support rod 301 to make a circular motion, so that the steel ball 302 rolls in the annular groove 701, so that the iron outlet groove 3 can rotate in a circle around the support shaft 5, thereby adjusting the angle between the iron outlet groove 3 and the iron outlet groove 4, thereby changing the flow direction of the molten iron.

[0035] Among them, the rotating support mechanism also includes a horizontal plate 501 fixedly installed on the inner wall of one side of the transfer box 2, a load-bearing rod is fixed between the bottom of the horizontal plate 501 and the inner wall of the transfer box 2, and the support shaft 5 is fixed on the top of the horizontal plate 501.

[0036] Reference Figure 1 , Figure 4 and Figure 6 , a mobile docking mechanism drives the second iron outlet groove 4 to move horizontally and dock with the transfer port 8 on the transfer box 2; the mobile docking mechanism includes a slide groove 101 opened on the top of the base 1, a slider 6 is slidably installed in the slide groove 101, a guide rod 102 is fixedly installed in the slide groove 101, and the slider 6 is slidably sleeved on the guide rod 102. A rectangular groove 401 is opened at the bottom of the second iron outlet groove 4, the top of the slider 6 is inserted into the rectangular groove 401, a threaded rod 103 is rotatably installed in the slide groove 101, an operating rod 104 fixedly connected to the threaded rod 103 is rotatably installed at one end of the base 1, and a handle 105 is fixedly installed on the operating rod 104. Manually rotating the handle 105 drives the operating rod 104 to rotate, driving the threaded rod 103 to rotate so that the slider 6 moves horizontally and drives the second iron outlet groove 4 to move horizontally against one side of the transfer box 2 and dock with the transfer port 8.

[0037] Among them, a support rod 301 is fixedly installed at the bottom of the iron outlet groove 3, a steel ball 302 is rollingly installed at the bottom of the support rod 301, an annular groove 701 is opened on the top of the circular plate 7, and the steel ball 302 is rollingly connected to the inner wall of the annular groove 701. The steel ball 302 and the support rod 301 provide support for the iron outlet groove 3.

[0038] Reference Figure 2 and Figure 5, a limiting mechanism is used to fix the position of the iron outlet groove 4. The limiting mechanism includes a positioning block 107 fixedly mounted on one end of the base 1, a lifting rod 108 is slidably mounted on the positioning block 107, a handle 109 is fixed at the bottom of the lifting rod 108, the top of the lifting rod 108 slides through the positioning block 107 and is fixed with a rack 1010, a gear 106 meshing with the rack 1010 is fixedly sleeved on the operating rod 104, and a spring 1011 is fixed between the bottom of the rack 1010 and the positioning block 107. The rack 1010 rises and meshes with the gear 106, limiting the rotation of the operating rod 104 and the threaded rod 103. The spring 1011 is always in a compressed state. Pulling the handle 109 downward drives the lifting rod 108 to move down, driving the rack 1010 to move down, and compressing the spring 1011. The rack 1010 is disengaged from the gear 106. The handle 105 can be turned to drive the operating rod 104 to rotate, and drive the threaded rod 103 to rotate, so that the slider 6 moves horizontally and drives the iron outlet groove 4 to move horizontally.

[0039] Reference Figure 2 , the baffle 305 blocks the molten iron from rushing out of the transfer box 2, the iron outlet groove 1 3 and the iron outlet groove 2 4 are vertically arranged in space, and the spatial angle of the iron outlet groove 1 3 and the iron outlet groove 2 4 can be adjusted to change the flow direction of the molten iron as needed. An inclined baffle 305 is fixed to the top of one end of the iron outlet groove 1 3, and the baffle 305 is located directly above the transfer box 2. Two inclined pull rods 304 are fixedly installed between the baffle 305 and the iron outlet groove 1 3, and the pull rods 304 increase the installation stability of the baffle 305.

[0040] A method for assembling a blast furnace iron tapping channel of an assembled structure, comprising the following steps:

[0041] S1. Align the circular groove 303 at the bottom of the iron outlet groove 3 with the support shaft 5, and at the same time align the steel ball 302 at the bottom of the iron outlet groove 3 with the annular groove 701 on the circular plate 7, then lower the iron outlet groove 3, insert the support shaft 5 into the circular groove 303 at the bottom of the iron outlet groove 3, and the steel ball 302 enters the annular groove 701, completing the installation of the iron outlet groove 3;

[0042] S2, align the rectangular groove 401 at the bottom of the second iron outlet groove 4 with the slider 6 and insert the slider 6 into the rectangular groove 401 on the second iron outlet groove 4;

[0043] S3, pull the handle 109 downward to drive the lifting rod 108 to move downward, drive the rack 1010 to move downward, and compress the spring 1011, so that the rack 1010 is separated from the gear 106;

[0044] S4. Manually rotate the handle 105 to drive the operating rod 104 to rotate, and drive the threaded rod 103 to rotate so that the slider 6 moves horizontally and drives the second iron outlet groove 4 to move horizontally against one side of the transfer box 2 and dock with the transfer port 8, completing the installation of the second iron outlet groove 4.

[0045] Working principle: by aligning the circular groove 303 at the bottom of the iron outlet groove 3 with the support shaft 5, and aligning the steel ball 302 at the bottom of the iron outlet groove 3 with the annular groove 701 on the circular plate 7, then lowering the iron outlet groove 3, inserting the support shaft 5 into the circular groove 303 at the bottom of the iron outlet groove 3, and the steel ball 302 enters the annular groove 701, and the installation of the iron outlet groove 3 is completed; aligning the rectangular groove 401 at the bottom of the iron outlet groove 24 with the slider 6 and lowering it, and inserting the slider 6 into the rectangular groove 401 on the iron outlet groove 24; then pulling down the handle 109 drives the lifting rod 108 to drive the rack 1010 to descend, and compressing the spring 10 11, the rack 1010 is disengaged from the gear 106; finally, manually turn the handle 105 to drive the operating rod 104 to rotate, and drive the threaded rod 103 to rotate so that the slider 6 moves horizontally and drives the iron outlet groove 4 to move horizontally against one side of the transfer box 2 and dock with the transfer port 8, and then release the handle 109. The restoring force of the spring 1011 pushes the rack 1010 to rise and engage with the gear 106, limiting the rotation of the operating rod 104 and the threaded rod 103, so that the slider 6 can be fixed in position, the iron outlet groove 4 can be fixed in position, and the installation of the iron outlet groove 4 is completed. The installation is convenient, the operation is simple and the structure is reliable.

[0046] The baffle 305 blocks the molten iron from rushing out of the transfer box 2. The iron outlet groove 1 3 and the iron outlet groove 2 4 are arranged vertically in space. By adjusting the spatial angle of the iron outlet groove 1 3 and the iron outlet groove 2 4, the flow direction of the molten iron can be changed as needed. The support rod 301 is manually pushed to make a circular motion, so that the steel ball 302 rolls in the annular groove 701, so that the iron outlet groove 1 3 can rotate in a circle around the support shaft 5, thereby adjusting the angle between the iron outlet groove 1 3 and the iron outlet groove 2 4, thereby changing the flow direction of the molten iron, facilitating the transportation of molten iron according to actual terrain requirements, and improving transportation convenience.

[0047] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. 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. Therefore, they cannot be understood as limitations on the present invention.

[0048] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of 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.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A blast furnace iron outlet channel of assembled structure, characterized in that: include: A base (1) and a transfer box (2) arranged on the top of the base (1), the top of the transfer box (2) being open, a first iron outlet groove (3) being arranged above the transfer box (2), a second iron outlet groove (4) being arranged on one side of the transfer box (2), and a transfer port (8) being opened on one side of the transfer box (2); A rotating support mechanism, used for driving the first iron outlet channel (3) to rotate above the transfer box (2); A mobile docking mechanism drives the second iron outlet channel (4) to move horizontally to dock with the transfer port (8) on the transfer box (2); A limiting mechanism, used to fix the position of the second iron outlet channel (4); The rotating support mechanism comprises a support shaft (5) fixed in the transfer box (2); a circular groove (303) is provided at the bottom of the iron outlet groove (3); the top side wall of the support shaft (5) is connected to the inner side wall of the circular groove (303) in sliding contact; the iron outlet groove (3) can rotate in a circle around the support shaft (5); a circular disk (7) is fixedly sleeved on the transfer box (2); the bottom of the iron outlet groove (3) is connected to the top of the circular disk (7) in sliding contact; The rotation support mechanism further comprises a horizontal plate (501) fixedly mounted on an inner wall of one side of the transfer box (2), a load-bearing rod being fixed between the bottom of the horizontal plate (501) and the inner wall of the transfer box (2), and the support shaft (5) being fixed on the top of the horizontal plate (501); A support rod (301) is fixedly mounted at the bottom of the first iron outlet groove (3), a steel ball (302) is rollingly mounted at the bottom of the support rod (301), an annular groove (701) is formed at the top of the circular plate (7), and the steel ball (302) is rollingly connected to the inner wall of the annular groove (701); A baffle plate (305) arranged obliquely is fixed to the top of one end of the first iron outlet channel (3), the baffle plate (305) is located directly above the transfer box (2), and two pull rods (304) arranged obliquely are fixedly installed between the baffle plate (305) and the first iron outlet channel (3); The mobile docking mechanism comprises a slide groove (101) provided at the top of the base (1), a slider (6) being slidably mounted in the slide groove (101), a rectangular groove (401) being provided at the bottom of the second iron outlet groove (4), the top of the slider (6) being inserted into the rectangular groove (401), a threaded rod (103) being rotatably mounted in the slide groove (101), an operating rod (104) fixedly connected to the threaded rod (103) being rotatably mounted at one end of the base (1), and a handle (105) being fixedly mounted on the operating rod (104); A guide rod (102) is fixedly installed in the slide groove (101), and the sliding block (6) is slidably sleeved on the guide rod (102); The limiting mechanism comprises a positioning block (107) fixedly mounted on one end of the base (1); a lifting rod (108) is slidably mounted on the positioning block (107); a handle (109) is fixed to the bottom of the lifting rod (108); the top of the lifting rod (108) slides through the positioning block (107) and is fixed with a rack (1010); a gear (106) meshing with the rack (1010) is fixedly sleeved on the operating rod (104); and a spring (1011) is fixed between the bottom of the rack (1010) and the positioning block (107).

2. A method for assembling a blast furnace iron outlet channel of an assembled structure as claimed in claim 1, characterized in that: The following steps are involved: S1, aligning the circular groove (303) at the bottom of the iron outlet groove (3) with the support shaft (5), and aligning the steel ball (302) at the bottom of the iron outlet groove (3) with the annular groove (701) on the circular plate (7), and then lowering the iron outlet groove (3), inserting the support shaft (5) into the circular groove (303) at the bottom of the iron outlet groove (3), and the steel ball (302) enters the annular groove (701), thereby completing the installation of the iron outlet groove (3); S2, aligning the rectangular groove (401) at the bottom of the second iron outlet groove (4) with the slider (6) and lowering it, and inserting the slider (6) into the rectangular groove (401) on the second iron outlet groove (4); S3, pulling the handle (109) downward drives the lifting rod (108) to move downward, drives the rack (1010) to move downward, and compresses the spring (1011), so that the rack (1010) is disengaged from the gear (106); S4. Manually rotating the handle (105) drives the operating rod (104) to rotate, which drives the threaded rod (103) to rotate so that the slider (6) moves horizontally, drives the second iron outlet groove (4) to move horizontally, and abuts against one side of the transfer box (2) and docks with the transfer port (8), thereby completing the installation of the second iron outlet groove (4).

Citation Information

Patent Citations

  • Prefabricated part for blast furnace tapping channel

    CN216039658U