Iron-making blast furnace tuyere material taking machine

By designing a blast furnace tuyeres feeder, which uses spiral blades to push slag and combines air cooling and water cooling for cooling, the problems of low blast furnace tuyeres cleaning efficiency and high slag temperature were solved, thus improving production efficiency.

CN223591674UActive Publication Date: 2025-11-25JINAN TAYIN INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423268976.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-25
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In existing technologies, the cleaning efficiency of blast furnace tuyeres is low and the temperature of the cleaned slag is high, requiring natural cooling before transfer, which affects production efficiency.

Method used

A blast furnace tuyeres feeder was designed, which uses spiral blades to push slag and combines air cooling and water cooling. It uses blowers and fans to form airflow circulation for cooling, and uses nozzles to clean the inside of the conveyor cylinder.

Benefits of technology

It effectively reduces the temperature of slag, shortens the cooling time, improves cleaning efficiency, and reduces the waiting time for natural cooling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an ironmaking blast furnace tuyere reclaimer, which relates to the technical field of blast furnace burden cleaning and comprises a conveying cylinder, a driving motor is fixedly mounted on one side of the outer wall of the conveying cylinder, a sleeve is fixedly connected to the other side of the conveying cylinder, and a fan is fixedly mounted at the top of the conveying cylinder. Two water conveying pipes are fixedly mounted at the top of the conveying cylinder, spiral blades mounted on the surface of a mounting rod facilitate pushing of material slag in the conveying cylinder, a fan blows air into a cavity, the material slag can be cooled in an air cooling mode, the fan blows air outwards, the interior of the cavity can be in a negative pressure state, and therefore air flow circularly flows, and the material slag conveying efficiency is improved. And the temperature of the discharged material slag is reduced. The included angle state is formed between the first spray head and the second spray head, water flow sprayed by the first spray head can be sprayed to the surface of the spiral blade, water flow sprayed by the second spray head can be sprayed to the inner wall of the cavity, and the interior of the conveying barrel and the spiral blade can be conveniently cleaned together.
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Description

TECHNICAL FIELD

[0001] The utility model relates to blast furnace burden cleaning technical field especially relates to a kind of iron-making blast furnace tuyere material taking machine. BACKGROUND

[0002] Blast furnace iron-making is an important link of steel production, and the blast furnace tuyere is the passage of hot air into the blast furnace during the process, which is crucial to the continuous production and stable operation of the blast furnace. During the long-term operation of the blast furnace, slag iron, coke fragments and other materials tend to accumulate in the tuyere area. If these materials are not cleaned in time, it will have a negative impact on the normal operation of the blast furnace.

[0003] The existing technology uses manual labor to remove coke, coke slag and partially unsmelted scrap from the blast furnace tuyere position. The manual cleaning efficiency is not only low, but the removed material still has a high temperature, and it needs to be naturally cooled before being transported, which greatly reduces the production efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims to solve the problem of low manual cleaning efficiency and the need for natural cooling of the removed material before transportation, and proposes an iron-making blast furnace tuyere material taking machine.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: an iron-making blast furnace tuyere material taking machine, comprising a conveying cylinder, a feeding box is fixedly connected to the top of the conveying cylinder, a support and a discharge box are fixedly connected to the bottom of the conveying cylinder, a cavity is formed in the inside of the conveying cylinder, a drive motor is fixedly installed on one side of the outer wall of the conveying cylinder, a sleeve is fixedly connected to the other side of the conveying cylinder, a fan is fixedly installed on the top of the conveying cylinder, and two water pipes are fixedly connected to the top of the conveying cylinder.

[0006] Preferably, a ventilation hole is formed on one side of the outer wall of the conveying cylinder, and one end of the ventilation hole is in communication with the inside of the cavity.

[0007] Preferably, the output end of the drive motor is fixedly connected with a mounting rod, the surface of the mounting rod is fixedly installed with a spiral blade, and a through hole is formed in the side surface of the spiral blade.

[0008] Preferably, the inside of the sleeve is of a hollow structure, the sleeve is installed on the horizontal side of the ventilation hole, a fan is fixedly installed in the inside of the sleeve, and the input end of the fan is electrically connected with a control motor.

[0009] Preferably, the connection structure of the two water pipes is the same, and a water inlet pipe is fixedly connected to the top of the water pipe.

[0010] Preferably, the bottom end of the water delivery pipe is located inside the cavity, and the bottom of the water delivery pipe is fixedly connected with a fixing seat.

[0011] Preferably, one side of the fixing seat is fixedly installed with a first nozzle, and the bottom of the fixing seat is fixedly installed with a second nozzle.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1、In the utility model, the spiral blade installed on the surface of the mounting rod can push the material residue in the conveying cylinder, the fan blows air into the cavity, and the material residue can be air-cooled, the fan blows air outward, the cavity is in a negative pressure state, air circulation is formed, and the temperature of the discharged material residue is lowered.

[0014] 2、In the utility model, the first nozzle and the second nozzle are in an included angle state, the water flow sprayed by the first nozzle can be sprayed to the surface of the spiral blade, and the water flow sprayed by the second nozzle can be sprayed to the inner wall of the cavity, so that the conveying cylinder and the spiral blade can be conveniently cleaned together. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A conveying cylinder three-dimensional structure schematic diagram of a blast furnace mouth material taking machine of a blast furnace is provided for the utility model;

[0016] Figure 2 A conveying cylinder cross-sectional structure schematic diagram of a blast furnace mouth material taking machine of a blast furnace is provided for the utility model;

[0017] Figure 3 A spiral blade installation structure schematic diagram of a blast furnace mouth material taking machine of a blast furnace is provided for the utility model;

[0018] Figure 4 A fixing seat installation structure schematic diagram of a blast furnace mouth material taking machine of a blast furnace is provided for the utility model.

[0019] Legend: 1, conveying cylinder; 101, cavity; 102, ventilation hole; 11, feeding box; 12, support column; 13, discharging box; 2, driving motor; 21, mounting rod; 22, spiral blade; 221, through hole; 3, sleeve; 31, fan; 4, fan; 5, water delivery pipe; 51, water inlet pipe; 52, fixing seat; 53, first nozzle; 54, second nozzle. DETAILED DESCRIPTION

[0020] In order to enable the above-mentioned purpose, features and advantages of the utility model to be more clearly understood, the utility model will be further described below in combination with the drawings and embodiments. It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other without conflict.

[0021] Many specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be practiced according to other embodiments that can not be described in detail herein, and the present application is not limited to the specific embodiments described herein.

[0022] Embodiment 1

[0023] As shown in Figures 1-4 The utility model provides a technical scheme: a kind of blast furnace tuyere material taking machine, including conveying cylinder 1, the top of conveying cylinder 1 is fixedly connected with feeding box 11, the bottom of conveying cylinder 1 is fixedly connected with support 12 and discharge box 13 respectively, cavity 101 is set in the inside of conveying cylinder 1, driving motor 2 is fixedly installed on the outer wall side of conveying cylinder 1, sleeve 3 is fixedly connected on the other side of conveying cylinder 1, fan 4 is fixedly installed on the top of conveying cylinder 1, the number of water pipe 5 fixedly installed on the top of conveying cylinder 1 is two, air hole 102 is set on the outer wall side of conveying cylinder 1, one end of air hole 102 is communicated with the inside of cavity 101, the output end of driving motor 2 is fixedly connected with mounting rod 21, spiral blade 22 is fixedly installed on the surface of mounting rod 21, through hole 221 is set on the side of spiral blade 22, the inside of sleeve 3 is hollow structure, sleeve 3 is installed on the horizontal side of air hole 102, fan 31 is fixedly installed in the inside of sleeve 3, and the input end of fan 31 is electrically connected with control motor.

[0024] In the embodiment, the material slag fished from the inside of blast furnace tuyere is put into feeding box 11, so that the material slag is stored in the inside of cavity 101, then driving motor 2 is started to drive mounting rod 21 to rotate, spiral blade 22 on the surface of mounting rod 21 pushes the material slag to discharge box 13 to discharge, and when the material slag moves, fan 4 is started to inject high-pressure air into the inside of cavity 101 to air-cool the material slag, and when the material slag is pushed by spiral blade 22, it is turned over, and fan 31 is started to blow air outward to guide the airflow in the inside of cavity 101 out of air hole 102, so that air circulates in the inside of cavity 101, and through hole 221 set on the side of spiral blade 22 can increase the contact area of the material slag and the airflow, so as to improve the cooling effect of the material slag, and the material slag can be conveyed by installing belt on the bottom of discharge box 13, so that the material slag can be transported when it is taken out, and the waiting time is reduced.

[0025] Embodiment 2

[0026] As shown in Figures 1-4 The connection structure of the two water pipes 5 is the same, the top of the water pipe 5 is fixedly connected with the water inlet pipe 51, the bottom end of the water pipe 5 is located in the inside of the cavity 101, the bottom of the water pipe 5 is fixedly connected with the fixed seat 52, the first nozzle 53 is fixedly installed on one side of the fixed seat 52, and the second nozzle 54 is fixedly installed on the bottom of the fixed seat 52.

[0027] In the embodiment, when the inside of the conveying cylinder 1 needs to be cleaned, water is filled into the water inlet pipe 51, and the water flows into the fixed seat 52 and is sprayed out through the first spray head 53 and the second spray head 54. The water sprayed out of the first spray head 53 flows to the surface of the spiral blade 22 to wash the spiral blade 22, and the second spray head 54 is downwardly angled, and the water sprayed out of the second spray head 54 washes the inner wall of the cavity 101, so that the cleaning range of the cleaning device is improved.

[0028] The working principle of the embodiment is as follows: the material slag fished out from the inside of the blast furnace tuyere is put into the feeding box 11, then the driving motor 2 is started to drive the spiral blade 22 to push the material slag to the discharging box 13 for discharging, the fan 4 is started to air cool the material slag, and the fan 31 is started to blow air outward, so that the air circulates in the cavity 101, thereby improving the cooling effect of the material slag. Water is filled into the water inlet pipe 51, and the water flows into the fixed seat 52 and is sprayed out through the first spray head 53 and the second spray head 54, so as to wash the spiral blade 22 and the inner wall of the cavity 101, respectively, thereby achieving the effect of cleaning the inside of the conveying cylinder 1.

[0029] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments still belong to the protection scope of the present application.

Claims

1. A blast furnace stock picker for iron making blast furnaces, comprising a delivery cylinder (1), characterized in that: The top of the conveying cylinder (1) is fixedly connected with a feeding box (11), the bottom of the conveying cylinder (1) is fixedly connected with a support (12) and a discharging box (13) respectively, the inside of the conveying cylinder (1) is provided with a cavity (101), one side of the outer wall of the conveying cylinder (1) is fixedly installed with a driving motor (2), the other side of the conveying cylinder (1) is fixedly connected with a sleeve (3), the top of the conveying cylinder (1) is fixedly installed with a fan (4), and the top of the conveying cylinder (1) is fixedly installed with two water conveying pipes (5).

2. A stock picker for a blast furnace according to claim 1, characterized in that: The outer wall of the conveying cylinder (1) is provided with a ventilation hole (102) on one side, and one end of the ventilation hole (102) is in communication with the inside of the cavity (101).

3. A material taking machine for a blast furnace according to claim 1, characterized in that: The output end of the driving motor (2) is fixedly connected with a mounting rod (21), the surface of the mounting rod (21) is fixedly installed with a spiral blade (22), and the side of the spiral blade (22) is provided with a through hole (221).

4. A stock-removal machine for a blast furnace according to claim 1, characterized in that: The inside of the sleeve (3) is a hollow structure, the sleeve (3) is installed on the horizontal side of the ventilation hole (102), the inside of the sleeve (3) is fixedly installed with a fan (31), and the input end of the fan (31) is electrically connected with a control motor.

5. A stock-removal machine for a blast furnace according to claim 1, characterized in that: The connecting structures of the two water conveying pipes (5) are the same, and the top of the water conveying pipe (5) is fixedly connected with a water inlet pipe (51).

6. A stock-removal machine for a blast furnace according to claim 1, characterized in that: The bottom end of the water conveying pipe (5) is located in the inside of the cavity (101), and the bottom of the water conveying pipe (5) is fixedly connected with a fixing seat (52).

7. A stock picker for a blast furnace according to claim 6, characterised in that: The side of the fixing seat (52) is fixedly installed with a first spray head (53), and the bottom of the fixing seat (52) is fixedly installed with a second spray head (54).