Novel coal lance blockage detection device

By installing temperature sensors at the branch pipes of the coal distribution cylinders, real-time monitoring and early warning of blockages in the blast furnace pulverized coal injection system can be achieved, solving the problem of monitoring blockages in the branch pipes of the coal distribution cylinders, improving production safety and efficiency, and supporting the modernization and intelligentization of blast furnace production.

CN223805111UActive Publication Date: 2026-01-16GUANGDONG XINXING DUCTILE IRON PIPES CO LTD
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Patent Information

Application Number
CN202520136455.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-16
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

The existing technology lacks real-time monitoring of blockages at the branch pipes of the blast furnace coal distribution cylinder, which affects the operational stability of the pulverized coal injection system.

Method used

Temperature sensors are installed at the branch pipes of the coal distribution cylinders, and the temperature of the branch pipes is monitored in real time through a monitoring system to achieve real-time monitoring and early warning of blockages.

Benefits of technology

It improves production safety, reduces the risk of workers being exposed to high temperatures and harmful environments, reduces production interruptions and energy waste, maintains the smooth operation of the blast furnace, improves production efficiency and product quality, and supports the automation and intelligent management of the production process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of blast furnace coal injection, and particularly relates to a novel coal gun blockage detection device which comprises a control box, a coal distribution bottle body and a monitoring system, the top of the control box is fixedly connected with a touch screen, and a controller, a memory, a positioning module, a communication module and a power supply are arranged in the control box. The top of the coal distribution bottle body is fixedly communicated with a plurality of branch pipes, a temperature sensor is inserted into each branch pipe, and the output ends of the temperature sensors and the output end of the power supply are connected with the input end of the controller. According to the utility model, the temperature probe is arranged at the branch pipe of the coal distribution bottle, which tuyere is blocked and the temperature is too low can be found and eliminated in the first time, and finally, the real-time monitoring and early warning of the blocking condition of the coal injection system are realized, so that the production safety is improved, the risk that workers directly contact high-temperature and harmful environments is reduced, and the working efficiency is improved. And production interruption and energy waste caused by coal blockage are effectively reduced, so that the production cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to blast furnace coal injection technical field especially relates to a new type coal gun blockage detection device. BACKGROUND

[0002] The coal powder is stably and evenly sprayed into the blast furnace from the coal gun, which is beneficial to stabilize the blast furnace operation and the blast furnace temperature control, and can improve the coal combustion rate, improve the coal ratio and reduce the coke ratio, and the coal gun evenly sprays coal is one of the targets pursued by each blast furnace.

[0003] The existing blast furnace coal distribution bottle control device comprises a coal distribution bottle, a coal injection branch pipe and a coal gun, the coal injection branch pipe is connected with the coal distribution bottle, the coal gun and the coal injection branch pipe are connected through a metal hose, a gun gate valve is arranged in the coal gun, and a coal feeding valve is arranged on the coal injection branch pipe, most domestic enterprises adopt single series or double series injection, a plurality of coal injection branch pipes are arranged on each set of coal distribution bottle, and the plurality of coal injection branch pipes are connected with the same number of coal guns in one-to-one correspondence, the coal powder is evenly distributed in the blast furnace coal distribution bottle and is sprayed to the tuyere rotation area through the coal injection branch pipe and the coal gun.

[0004] However, the prior art lacks a mechanism for real-time monitoring of the blast furnace coal distribution bottle branch pipe, and the blockage condition of the coal distribution bottle branch pipe cannot be monitored in real time and accurately, thereby affecting the operation stability of the coal injection system. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem of the background art that the blockage condition of the coal distribution bottle branch pipe cannot be monitored in real time and accurately, and provides a new type coal gun blockage detection device.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A new type coal gun blockage detection device, comprising a control box, a coal distribution bottle body and a monitoring system, the top of the control box is fixedly connected with a touch screen, the control box is provided with a controller, a memory, a positioning module, a communication module and a power supply, the top of the coal distribution bottle body is fixedly connected with a plurality of branch pipes, a temperature sensor is arranged on each branch pipe, the output ends of the temperature sensor and the power supply are connected with the input end of the controller, the output end of the controller is connected with the input end of the memory, the output ends of the touch screen and the communication module are bidirectionally connected with the input end of the controller, and the output end of the communication module is connected with the input end of the monitoring system.

[0008] Preferably, the temperature sensor is a pt100 platinum resistance temperature probe.

[0009] Preferably, a mounting bracket corresponding to the temperature sensor is fixedly sleeved on the branch pipe.

[0010] Preferably, the top of the control box is provided with a heat dissipation opening, and a dustproof net is fixedly arranged in the heat dissipation opening.

[0011] Preferably, the bottom of the control box is fixedly embedded with a charging connector, and the output end of the charging connector is connected with the input end of the power supply.

[0012] Preferably, one end of the control box is provided with a mounting opening, and a baffle is connected in the mounting opening, and one end of the baffle is fixedly connected with the inner wall of the mounting opening through a fastening bolt.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. In the utility model, the temperature probe is installed at the branch pipe of the coal distribution bottle, and when the lance is blocked at any tuyere, the temperature is low, and the problem can be found and solved in the first time, so that the real-time monitoring and early warning of the coal injection system blockage are realized, which not only improves the safety of production, reduces the risk of workers directly contacting high temperature and harmful environment, but also effectively reduces the production interruption and energy waste caused by coal blockage, thereby reducing the production cost.

[0015] 2. In the utility model, the detection device can help to maintain the smooth state of the blast furnace, improve the production efficiency and product quality, and in addition, the application of the temperature probe also provides strong support for the automation and intelligent management of the production process, which is an important step to promote the modernization and intelligentization of the blast furnace production. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 A structural schematic view of a novel coal lance blockage detection device is provided for the utility model;

[0017] Fig. 2 A control schematic view of a novel coal lance blockage detection device is provided for the utility model.

[0018] In the drawing: 1 control box, 2 coal distribution bottle body, 3 monitoring system, 4 touch screen, 5 controller, 6 memory, 7 positioning module, 8 communication module, 9 power supply, 10 branch pipe, 11 temperature sensor, 12 mounting bracket, 13 dustproof net, 14 charging connector, 15 baffle, 16 fastening bolt. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Reference Figs. 1-2The utility model provides a novel coal gun blockage detection device, including control box 1, split coal bottle body 2 and monitoring system 3, the top of control box 1 is fixedly connected with touch screen 4, is used for input control instruction and display detection data, one end of control box 1 is equipped with mounting port, is connected with baffle 15 in mounting port, protects control element, and one end of baffle 15 is fixedly connected with mounting port inner wall through fastening bolt 16, and the top of control box 1 is equipped with heat dissipation port, and dust screen 13 is fixedly inserted in heat dissipation port, and it plays the role of heat dissipation and dust prevention;

[0021] In the embodiment, the control box 1 is provided with a controller 5, a memory 6, a positioning module 7, a communication module 8 and a power supply 9, the top of the split coal bottle body 2 is fixedly connected with a plurality of branch pipes 10, a temperature sensor 11 is inserted on each branch pipe 10 for detecting the temperature in the branch pipe 10, and a mounting bracket 12 corresponding to the temperature sensor 11 is fixedly sleeved on the branch pipe 10 for conveniently mounting the temperature sensor 11;

[0022] In the embodiment, the temperature sensor 11 is a pt100 platinum resistance temperature probe, the output ends of the temperature sensor 11 and the power supply 9 are connected with the input end of the controller 5 for sending the detection data to the controller 5, the output end of the controller 5 is connected with the input end of the memory 6, and the output ends of the touch screen 4 and the communication module 8 are bidirectionally connected with the input end of the controller 5;

[0023] In the embodiment, the output end of the communication module 8 is connected with the input end of the monitoring system 3, and the bottom of the control box 1 is fixedly embedded with a charging connector 14, and the output end of the charging connector 14 is connected with the input end of the power supply 9.

[0024] In the embodiment, the temperature at the branch pipe 10 can be monitored by the temperature sensor 11, and then the monitoring signal is sent to the controller 5, the controller 5 processes the temperature signal, and then sends the monitoring data to the monitoring system 3 through the communication module 8.

[0025] In the embodiment, by installing the temperature probe at the branch pipe of the split coal bottle, the situation of which tuyere is blocked and the temperature is low can be found and eliminated in the first time, and the real-time monitoring and early warning of the blockage of the coal injection system are realized, which not only improves the safety of production, reduces the risk of workers directly contacting high temperature and harmful environment, but also effectively reduces the production interruption and energy waste caused by coal blockage, thereby reducing the production cost.

[0026] In the embodiment, the detection device can help to maintain the smooth state of the blast furnace, improve the production efficiency and product quality, in addition, the application of the temperature probe also provides strong support for the automation and intelligent management of the production process, which is an important step to promote the modernization and intelligentization of blast furnace production.

[0027] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A novel coal gun blockage detection device, comprising a control box (1), a coal bottle body (2) and a monitoring system (3), characterized in that: The top of the control box (1) is fixedly connected with a touch screen (4), the control box (1) is internally provided with a controller (5), a memory (6), a positioning module (7), a communication module (8) and a power supply (9), the top of the coal distribution bottle body (2) is fixedly communicated with a plurality of branch pipes (10), a temperature sensor (11) is inserted on each branch pipe (10), the output ends of the temperature sensor (11) and the power supply (9) are connected with the input end of the controller (5), the output end of the controller (5) is connected with the input end of the memory (6), the output ends of the touch screen (4) and the communication module (8) are bidirectionally connected with the input end of the controller (5), and the output end of the communication module (8) is connected with the input end of the monitoring system (3).

2. The novel coal gun blockage detection device according to claim 1, characterized in that: The temperature sensor (11) is a pt100 platinum resistance temperature probe.

3. The novel coal gun blockage detection device according to claim 1, characterized in that: A mounting bracket (12) corresponding to the temperature sensor (11) is fixedly sleeved on the branch pipe (10).

4. The novel coal gun blockage detection device according to claim 1, characterized in that: The top of the control box (1) is provided with a heat dissipation opening, and a dust screen (13) is fixedly inserted in the heat dissipation opening.

5. The novel coal gun blockage detection device according to claim 1, characterized in that: The bottom of the control box (1) is fixedly embedded with a charging connector (14), and the output end of the charging connector (14) is connected with the input end of the power supply (9).

6. The novel coal gun blockage detection device according to claim 1, characterized in that: One end of the control box (1) is provided with a mounting opening, the mounting opening is connected with a baffle (15), and one end of the baffle (15) is fixedly connected with the inner wall of the mounting opening through a fastening bolt (16).