Blast furnace condition safe operation detection system

Abstract

The utility model discloses a blast furnace condition safe operation detection system which comprises a blast furnace body, a mounting hole is formed in the side wall of the blast furnace body, a mounting column penetrates through the interior of the mounting hole, and a temperature sensor is fixed to the end, located in the blast furnace body, of the mounting column through a bolt. According to the blast furnace condition safe operation detection system, a handle is rotated anticlockwise, the handle drives a gear to rotate anticlockwise through a rotating shaft, and due to the fact that the gear is in meshed connection with clamping rods on the two sides of the gear, the gear enables the two clamping rods to move in the opposite directions; when the temperature sensor is detached from the blast furnace body, the ends of the two clamping rods are separated from the two clamping grooves at the same time, meanwhile, the two reset springs are further compressed, then a handle is pulled, the mounting column and the temperature sensor are pulled out of the blast furnace body, and therefore the temperature sensor can be detached from the interior of the blast furnace body conveniently for overhaul.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of blast furnace, concretely to a detection system of blast furnace condition safe operation. BACKGROUND

[0002] In the current blast furnace condition safe operation detection system, the temperature sensor and the pressure sensor are built-in wireless transmission modules, using low-power Bluetooth technology, the analog signals collected are converted into digital signals, and then transmitted to the controller through a wireless channel, the ultrasonic level meter is also equipped with a wireless transceiver device, and the level data is transmitted to the controller in a wireless form by means of Wi-Fi, the controller analyzes and judges the received data based on a preset program, and once an abnormality is detected, an instruction is sent to the alarm through a wireless signal to trigger the alarm.

[0003] The blast furnace environment in the blast furnace condition safe operation detection system is harsh, and the temperature sensor is easily damaged by high temperature and dust, and needs to be frequently disassembled, repaired or replaced, since the temperature sensor is located inside the blast furnace, it is inconvenient to disassemble it from the inside of the blast furnace for maintenance or replacement, resulting in low maintenance efficiency and affecting the normal production progress of the blast furnace.

[0004] In view of the above problems, it is urgent to make innovative design on the basis of the original blast furnace condition safe operation detection system. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of blast furnace condition safe operation detection system to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of blast furnace condition safe operation detection system, including blast furnace body, the side wall of the blast furnace body is equipped with mounting hole, the inside of the mounting hole is penetrated by mounting column, the end of the mounting column is located in the inside of blast furnace body and is fixed with temperature sensor by bolt, another end of the mounting column is welded and fixed with round plate outside the blast furnace body, the side of the round plate is equipped with positioning hole, the inside of the positioning hole is penetrated by positioning column, the end of the positioning column is fixedly connected with the outer wall of blast furnace body, fixed mechanism is arranged between the round plate and the positioning column.

[0007] Preferably, the outer wall of the mounting column is fixed with graphite sealing ring, and the outer wall of the graphite sealing ring is in close contact with the inner wall of the mounting hole.

[0008] Preferably, the fixing mechanism comprises an inner cavity, the middle part of the circular plate is provided with the inner cavity, the top and bottom center of the inner cavity are provided with sliding grooves, clamping rods are slidably installed in the sliding grooves, one end of the clamping rod is clamped in the inner part of the clamping groove, the clamping groove is provided on the outer side of the positioning column, the other end of the clamping rod is fixed in the inner part of the inner cavity and is matched with the inner wall of the inner cavity, the end of the reset spring is fixedly connected with the inner wall of the inner cavity, the rotating shaft is rotatably installed in the middle part of the inner cavity through a bearing, the outer wall of the rotating shaft is fixedly provided with a gear, the side of the gear is connected with the side of the clamping rod, and the end of the rotating shaft penetrates through the side wall of the circular plate and is fixedly provided with a handle outside the circular plate.

[0009] Preferably, the clamping rods are located on both sides of the gear, the side of the clamping rod is designed as a sawtooth structure, and the side of the clamping rod is meshed and connected with the gear.

[0010] Preferably, the positioning holes and the positioning columns are symmetrically distributed about the central axis of the circular plate and are two in number, and the positioning column and the positioning hole are clamped and connected.

[0011] Compared with the prior art, the high furnace condition safe operation detection system has the beneficial effects that: the handle is driven to rotate counterclockwise through the rotating shaft, the gear is meshed and connected with the clamping rods on both sides, so that the gear moves the two clamping rods in opposite directions, the ends of the two clamping rods are separated from the two clamping grooves at the same time, and the two reset springs are further compressed, then the handle is pulled, the mounting column and the temperature sensor are pulled out from the inside of the blast furnace body, so that the temperature sensor is conveniently disassembled from the inside of the blast furnace body for maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a partial front view of the sectional structure of the utility model;

[0013] Figure 2 It is the utility model Figure 1 It is an enlarged structure schematic view of A in the utility model;

[0014] Figure 3 It is a clamping rod side view of the sectional installation structure schematic view of the utility model;

[0015] Figure 4 It is the utility model Figure 3 It is an enlarged structure schematic view of B in the utility model;

[0016] Figure 5 It is a mounting column side view of the sectional installation structure schematic view of the utility model.

[0017] In the figure: 1, blast furnace body; 2, mounting hole; 3, mounting column; 4, graphite sealing ring; 5, temperature sensor; 6, round plate; 7, positioning hole; 8, positioning column; 9, inner cavity; 10, sliding slot; 11, clamping rod; 12, clamping groove; 13, return spring; 14, rotating shaft; 15, gear; 16, handle. DETAILED DESCRIPTION

[0018] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figures 1-5 The present application provides a technical scheme: a detection system for safe operation of a blast furnace, comprising a blast furnace body 1, a mounting hole 2 is formed in the side wall of the blast furnace body 1, a mounting column 3 penetrates through the inside of the mounting hole 2, a temperature sensor 5 is fixed by bolts at the end of the mounting column 3 inside the blast furnace body 1, a round plate 6 is welded and fixed at the other end of the mounting column 3 outside the blast furnace body 1, positioning holes 7 are formed in the side of the round plate 6, positioning columns 8 penetrate through the inside of the positioning holes 7, the ends of the positioning columns 8 are fixedly connected with the outer wall of the blast furnace body 1, and a fixing mechanism is arranged between the round plate 6 and the positioning columns 8.

[0020] The outer wall of the mounting column 3 is fixedly connected with a graphite sealing ring 4, the outer wall of the graphite sealing ring 4 is in close contact with the inner wall of the mounting hole 2, the sealing property of the connection between the blast furnace body 1 and the mounting column 3 is increased, and the loss of heat inside the blast furnace body 1 is reduced.

[0021] The positioning holes 7 and the positioning columns 8 are symmetrically distributed about the central axis of the round plate 6, and the positioning columns 8 and the positioning holes 7 are clamped and connected, so that when the two positioning columns 8 and the two positioning holes 7 are clamped at the same time, the end of the clamping rod 11 can be aligned with the clamping groove 12, which is conducive to the clamping of the end of the clamping rod 11 and the clamping groove 12.

[0022] The fixing mechanism comprises an inner cavity 9, a middle portion of the circular plate 6 is provided with the inner cavity 9, sliding grooves 10 are formed at the top and bottom center of the inner cavity 9, clamping rods 11 are slidingly installed in the sliding grooves 10, one end of the clamping rod 11 is clamped in the inner part of a clamping groove 12, the clamping groove 12 is formed on the outer side of the positioning column 8, the other end of the clamping rod 11 is fixed with a reset spring 13 in the inner part of the inner cavity 9, the outer side of the clamping rod 11 is in close contact with the inner wall of the inner cavity 9, the end of the reset spring 13 is fixedly connected with the inner wall of the inner cavity 9, a rotating shaft 14 is rotatably installed in the middle portion of the inner cavity 9 through a bearing, a gear 15 is fixed on the outer wall of the rotating shaft 14, the side of the gear 15 is connected with the side of the clamping rod 11, a handle 16 is fixed on the end of the rotating shaft 14 outside the side wall of the circular plate 6, the clamping rod 11 is located on both sides of the gear 15, the side of the clamping rod 11 is designed as a sawtooth structure, the side of the clamping rod 11 is in meshing connection with the gear 15, so that when the handle 16 is reversed, the two clamping rods 11 can move in opposite directions, the ends of the two clamping rods 11 can be separated from the two clamping grooves 12 at the same time, so that the circular plate 6, the mounting column 3 and the temperature sensor 5 can be quickly disassembled.

[0023] Working principle: when the temperature sensor 5 is damaged and needs to be disassembled from the inside of the blast furnace body 1 for maintenance or replacement, as shown in the figure, Figure 3 The reset spring 13 is in a compressed state, which is beneficial to the tight clamping of the end of the clamping rod 11 and the clamping groove 12, the handle 16 is counterclockwise rotated, in order to prevent scalding, a heat-insulating glove can be used to operate, the handle 16 drives the gear 15 to rotate counterclockwise through the rotating shaft 14, since the gear 15 is in meshing connection with the clamping rods 11 on both sides, the gear 15 makes the two clamping rods 11 move in opposite directions, so that the ends of the two clamping rods 11 are separated from the two clamping grooves 12 at the same time, and the two reset springs 13 are further compressed, then the handle 16 is pulled, so that the mounting column 3 and the temperature sensor 5 are pulled out from the inside of the blast furnace body 1, so that the temperature sensor 5 can be conveniently disassembled from the inside of the blast furnace body 1 for maintenance.

[0024] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A blast furnace operating safety detection system, comprising a blast furnace body (1), characterized in that: The side wall of the blast furnace body (1) is provided with a mounting hole (2), the mounting hole (2) is penetrated by a mounting column (3), the end of the mounting column (3) is located in the inside of the blast furnace body (1) and is fixed by a bolt with a temperature sensor (5), the other end of the mounting column (3) is located outside the blast furnace body (1) and is welded with a circular plate (6), the side of the circular plate (6) is provided with a positioning hole (7), the inside of the positioning hole (7) is penetrated by a positioning column (8), the end of the positioning column (8) is fixedly connected with the outer wall of the blast furnace body (1), and a fixing mechanism is arranged between the circular plate (6) and the positioning column (8).

2. The system for detecting safe operation of a blast furnace according to claim 1, characterized in that: The outer wall of the mounting column (3) is fixedly connected with a graphite sealing ring (4), and the outer wall of the graphite sealing ring (4) is in close contact with the inner wall of the mounting hole (2).

3. The system for detecting safe operation of a blast furnace according to claim 1, characterized in that: The fixing mechanism comprises an inner cavity (9), the middle part of the circular plate (6) is provided with an inner cavity (9), the top and bottom centers of the inner cavity (9) are provided with sliding grooves (10), the inner cavity (9) is provided with a clamping rod (11), one end of the clamping rod (11) is clamped in the inner cavity (9), the other end of the clamping rod (11) is located in the inner cavity (9) and is fixedly connected with a reset spring (13), and the outer side of the clamping rod (11) is in close contact with the inner wall of the inner cavity (9), the end of the reset spring (13) is fixedly connected with the inner wall of the inner cavity (9), the middle part of the inner cavity (9) is rotatably connected with a rotating shaft (14) through a bearing, the outer wall of the rotating shaft (14) is fixedly connected with a gear (15), the side of the gear (15) is connected with the side of the clamping rod (11), and the end of the rotating shaft (14) penetrates the side wall of the circular plate (6) and is fixedly connected with a handle (16) outside the circular plate (6).

4. The system for detecting safe operation of a blast furnace according to claim 3, characterized in that: The clamping rod (11) is located on both sides of the gear (15), the side of the clamping rod (11) is designed as a sawtooth structure, and the side of the clamping rod (11) is engaged with the gear (15).

5. The system for detecting safe operation of a blast furnace according to claim 1, wherein: The positioning hole (7) and the positioning column (8) are symmetrically distributed about the center axis of the circular plate (6), and the positioning column (8) and the positioning hole (7) are engaged.

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