Igniter for herringbone hole of blast furnace

Abstract

The utility model relates to the technical field of blast furnace igniters, and discloses an igniter for a herringbone hole of a blast furnace, which comprises a furnace body, a herringbone pipe is fixedly mounted on the right side of the furnace body, an igniter is arranged on one side of the herringbone pipe, and a first pipeline and a second pipeline which are used for introducing acetylene and oxygen are respectively mounted on the front side and the rear side of the igniter. An extension rod is installed below the igniter, and a lifting assembly used for adjusting the height of the igniter is arranged on the inner side of the extension rod. Through the cooperation of the herringbone pipe, the lifting assembly, the igniter and the furnace body, the height of the igniter is adjusted through the arrangement of the lifting assembly, the problem that the positions of the herringbone pipe are different is effectively solved, and the height of the igniter in the vertical direction is adjusted in the mode that the lifting assembly drives the igniter to be adjusted in the vertical direction. The igniter can be suitable for herringbone pipes with different heights, the application range of the igniter is expanded, and therefore the utilization rate and practicability of the igniter are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to blast furnace igniter technical field, concretely is a kind of blast furnace herringbone hole igniter. BACKGROUND

[0002] When emergency blowdown is needed or planned maintenance is needed in the production process of blast furnace, the blast furnace needs to be temporarily stopped, and the herringbone hole of blast furnace top is opened for maintenance after steam blowing, but there may be high temperature gas in the blast furnace at this time, in order to prevent the occurrence of gas poisoning or gas explosion, the top ignition operation must be carried out.

[0003] However, the existing blast furnace herringbone hole ignition will cause inconvenience due to low oxygen content, therefore, in order to increase the oxygen content of the blast furnace herringbone hole, a related oxygen increasing method is proposed to assist ignition, for example, a utility model patent with publication number CN215328185U proposes a blast furnace top ignition device, which increases oxygen and acetylene to assist the ignition operation of the igniter on the blast furnace top.

[0004] From the above-mentioned technical content, based on theory, the implementation of the related technical structure is beneficial to the ignition of the blast furnace top, according to the description in the above-mentioned technical content, the angle of the igniter can be adjusted by controlling the telescopic cylinder, and the horizontal movement of the rack can be realized by the circumferential rotation of the gear, so that the igniter can be deepened and withdrawn in the manhole, but due to the different height of the blast furnace, the manhole is also set in different positions, the above-mentioned technical content can adjust the angle and horizontal position of the igniter, but the fixed height of the igniter is not suitable for the use of manhole with different height, which leads to the limitation of manhole in use. UTILITY MODEL CONTENT

[0005] In view of the shortcomings of the prior art, the utility model provides a blast furnace herringbone hole igniter, which has the advantages of adjustable ignition, suitable for ignition of blast furnace with different height, improving the practicability of igniter, and facilitating the operation of the igniter by the staff, solving the problems proposed in the above-mentioned background technology.

[0006] The utility model provides a following technical scheme: A kind of igniter for blast furnace herringbone hole, including furnace body, the right side of furnace body is fixedly installed with herringbone pipe, the side of herringbone pipe is provided with igniter, the front and back sides of igniter are respectively installed with one-way pipeline and two-way pipeline for passing in acetylene and oxygen, the lower of igniter is installed with extension rod, the inside of extension rod is provided with lifting assembly for adjusting the height of igniter, the left and right sides of extension rod are fixedly connected with protruding rod, the outer wall of extension rod is movably sleeved with vertical rod, and the inner wall of vertical rod and the outer wall of protruding rod are movably connected, the inner wall of lifting assembly is fixedly sleeved with rotating shaft, the front end of rotating shaft is installed with limiting component for reinforcing the stability of igniter, the rear end of rotating shaft is connected with No. 1 driving motor by transmission assembly, and No. 1 driving motor is provided with No. 1 speed reducer on the output shaft, the outer wall of No. 1 driving motor is fixedly sleeved with No. 1 machine case, the front end of No. 1 machine case is fixedly installed with protective box located outside transmission assembly, and the front of protective box and the back of vertical rod are fixedly connected.

[0007] Preferably, the outer wall of the igniter is fixedly sleeved with a concave block, the left side of the lower end surface of the concave block is provided with a bracket, the side away from the concave block of the bracket is provided with a mounting plate, the upper end of the mounting plate is connected with the concave block through a first electric push rod, and the lower end surface of the mounting plate is provided with a moving assembly.

[0008] Preferably, the one-way pipeline and the two-way pipeline are respectively connected with the acetylene cylinder and the oxygen cylinder through the telescopic pipes, and the number of the telescopic pipes is two.

[0009] Preferably, the upper end of the extension rod is fixedly provided with a storage box for storing the acetylene cylinder and the oxygen cylinder, the lower end surface of the storage box is provided with a movable assembly, the end away from the storage box of the movable assembly is fixedly provided with a bottom plate, and the lower end surface of the bottom plate is provided with a universal wheel.

[0010] Preferably, the lifting assembly comprises a ruler and a straight gear, one side of the ruler is fixedly connected with the inner wall of the extension rod, the side away from the extension rod of the ruler is engaged with the outer wall of the straight gear, and the inner wall of the straight gear is fixedly sleeved with the outer wall of the rotating shaft.

[0011] Preferably, the limiting component is composed of a limiting gear and a triangular clamping block, the outer wall of the triangular clamping block is movably connected between the two adjacent teeth of the limiting gear, the lower end surface of the triangular clamping block is connected with the horizontal plate through a second electric push rod, and the back of the horizontal plate is fixedly connected with the front of the vertical rod.

[0012] Preferably, the moving assembly comprises a reinforcing rod, a ball nut, a ball screw, the upper end of the reinforcing rod is fixedly connected with the lower end surface of the mounting plate, the end of the reinforcing rod away from the mounting plate is fixedly connected with the upper end surface of the ball nut, the inner wall of the ball nut is threadedly sleeved with the outer wall of the ball screw, the right end of the ball screw is fixedly provided with the No.

[0013] Preferably, the moving assembly comprises a reinforcing rod, a ball nut, a ball screw, the upper end of the reinforcing rod is fixedly connected with the lower end surface of the mounting plate, the end of the reinforcing rod away from the mounting plate is fixedly connected with the upper end surface of the ball nut, the inner wall of the ball nut is threadedly sleeved with the outer wall of the ball screw, the right end of the ball screw is fixedly provided with the No.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1、 the utility model discloses a double -pipe, lifting assembly, igniter and the cooperation between furnace body, utilize the setting of lifting assembly, realized the height adjustment of igniter, effectively solved the problem of different position of double -pipe, adopt the height adjustment mode of lifting assembly drive igniter vertical direction, make igniter can be applicable to the use of different height double -pipe, expand the applicable scope of igniter, thereby improve the utilization and practicality of igniter.

[0016] 2、 the utility model discloses a double -pipe, lifting assembly, igniter and the cooperation between limiting component, utilize the setting of limiting component, realized the limiting effect of lifting assembly, effectively solved the problem of stability after the height adjustment of igniter, adopt the connecting mode of limiting gear and triangular clamping block swing clamping in limiting component, when triangular clamping block and limiting gear separate, igniter can be active, and when triangular clamping block is clamped between two teeth of limiting gear on the adjacent tooth, the adjusted igniter is not movable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the front view of the No. one pipeline of the utility model;

[0019] Figure 3 It is the rear view of the No. two pipeline of the utility model;

[0020] Figure 4 It is the sectional view of the moving assembly of the utility model;

[0021] Figure 5It is the plan view of the concave block of the utility model;

[0022] Figure 6 It is the side view of the universal wheel of the utility model;

[0023] Figure 7 It is the rear view of the lifting assembly of the utility model;

[0024] Figure 8 It is the side view of the moving assembly of the utility model.

[0025] In the figure: 1, furnace body; 2, herringbone pipe; 3, igniter; 4, primary pipeline; 5, secondary pipeline; 6, extension rod; 7, lifting assembly; 701, ruler strip; 702, straight gear; 8, protruding rod; 9, rotating shaft; 10, limiting assembly; 101, limiting gear; 102, triangular clamping block; 11, concave block; 12, support; 13, primary electric push rod; 14, mounting plate; 15, moving assembly; 151, reinforcing rod; 152, ball nut; 153, ball screw; 16, acetylene cylinder; 17, oxygen cylinder; 18, telescopic pipe; 19, clamp; 20, storage box; 21, movable assembly; 211, movable rod; 212, disc; 213, spring; 214, sleeve rod; 22, bottom plate; 23, universal wheel; 24, conveying assembly; 25, primary drive motor; 26, primary machine box; 27, protection box; 28, secondary drive motor; 29, secondary machine box; 30, secondary electric push rod; 31, cross plate; 32, vertical rod. DETAILED DESCRIPTION

[0026] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figure 1 , Figure 3 and Figure 5The utility model provides a kind of igniter for blast furnace herringbone hole, including furnace body 1, the right side of furnace body 1 is fixedly installed with herringbone pipe 2, one side of herringbone pipe 2 is provided with igniter 3, the front and back of igniter 3 is respectively installed with one pipe 4 and two pipe 5 for passing into acetylene and oxygen, the lower of igniter 3 is installed with extension rod 6, the inner side of extension rod 6 is provided with for adjusting the height of igniter 3 lifting assembly 7, lifting assembly 7 is set as the adjustment of the height of igniter 3 use power, the left and right sides of extension rod 6 are fixedly connected with protruding rod 8, the outer wall of extension rod 6 movably sleeved with vertical rod 32, and the inner wall of vertical rod 32 and the outer wall of protruding rod 8 movably connected, the inner wall of lifting assembly 7 is fixedly sleeved with pivot 9, the movement of pivot 9 is the movement of lifting assembly 7 provides power, the front end of pivot 9 is installed with for reinforcing the stability of igniter 3 limiting component 10, the installation of limiting component 10 reinforces the stability after the height adjustment of igniter 3, the rear end of pivot 9 is connected with one drive motor 25 by transmission assembly 24, and one speed reducer is provided on the output shaft of one drive motor 25, the setting of one speed reducer plays the adjustment of the rotational speed of the output shaft of one drive motor 25, the outer wall of one drive motor 25 is fixedly sleeved with one machine box 26, the front end of one machine box 26 is fixedly installed with the protection box 27 located outside transmission assembly 24, the protection box 27 plays the protection of transmission assembly 24, and the front surface of protection box 27 and the back surface of vertical rod 32 are fixedly connected.

[0028] The outer wall of igniter 3 is fixedly sleeved with concave block 11, the left side of the lower end surface of concave block 11 is provided with support 12, the side, away from concave block 11 of support 12 is installed with mounting plate 14, the upper end of mounting plate 14 is connected with concave block 11 by No. 1 electric push rod 13, the use angle of igniter 3 is adjusted by the telescopic movement of the internal output shaft of No. 1 electric push rod 13, the lower end surface of mounting plate 14 is provided with moving assembly 15, the movement of moving assembly 15 provides power for the movement of igniter 3 in horizontal direction, so that igniter 3 can be inserted into the inside of herringbone pipe 2, and also can be pulled out from the inside of herringbone pipe 2.

[0029] One pipe 4 and two pipe 5 are connected with acetylene cylinder 16 and oxygen cylinder 17 through telescopic pipe 18 respectively, and the number of telescopic pipe 18 is two, one telescopic pipe 18 plays the connection of one pipe 4 and acetylene cylinder 16, and the other telescopic pipe 18 plays the connection of two pipe 5 and oxygen cylinder 17, the outer wall of one pipe 4 and two pipe 5 is fixedly sleeved with clamp 19, the installation of clamp 19 reinforces the stability of one pipe 4 and two pipe 5, and the upper end of clamp 19 and the inner wall of concave block 11 are fixedly connected.

[0030] Please refer to Figure 2 , Figure 6 With Figure 7The upper end of the extension rod 6 is fixedly installed with a storage box 20 for storing an acetylene cylinder 16 and an oxygen cylinder 17, the lower end face of the storage box 20 is installed with a movable assembly 21, the movable assembly 21 is provided to reinforce the stability of the igniter 3 during the lifting movement, the end of the movable assembly 21 away from the storage box 20 is fixedly installed with a bottom plate 22, the lower end face of the bottom plate 22 is provided with universal wheels 23, and the rolling of the universal wheels 23 can realize the movement of the igniter 3.

[0031] The lifting assembly 7 comprises a ruler strip 701 and a straight gear 702, one side of the ruler strip 701 is fixedly connected with the inner wall of the extension rod 6, the movement of the ruler strip 701 provides power for the movement of the extension rod 6, the side of the ruler strip 701 away from the extension rod 6 is engaged with the outer wall of the straight gear 702, the engagement of the tooth patterns provides power for the lifting movement of the ruler strip 701 in the vertical direction through the circumferential rotation of the straight gear 702, and the inner wall of the straight gear 702 is fixedly sleeved with the outer wall of the rotating shaft 9.

[0032] The limiting assembly 10 is composed of a limiting gear 101 and a triangular clamping block 102, the outer wall of the triangular clamping block 102 is movably clamped between two adjacent teeth of the limiting gear 101, the lower end face of the triangular clamping block 102 is connected with a horizontal plate 31 through the second electric push rod 30, the clamping and separation of the limiting gear 101 and the triangular clamping block 102 can be realized through the telescopic movement of the internal output shaft of the second electric push rod 30, and the back face of the horizontal plate 31 is fixedly connected with the front face of a vertical rod 32.

[0033] Please refer to Figure 8 and Figure 4 The moving assembly 15 comprises a reinforcing rod 151, a ball nut 152 and a ball screw 153, the upper end of the reinforcing rod 151 is fixedly connected with the lower end face of the mounting plate 14, the end of the reinforcing rod 151 away from the mounting plate 14 is fixedly connected with the upper end face of the ball nut 152, the movement of the ball nut 152 provides power for the horizontal movement of the igniter 3, the inner wall of the ball nut 152 is threadedly sleeved with the outer wall of the ball screw 153, the threaded sleeve connection mode provides power for the horizontal movement of the ball nut 152 through the circumferential rotation of the ball screw 153, the right end of the ball screw 153 is fixedly installed with a second driving motor 28 located on the right side of the storage box 20, the second driving motor 28 provides power for the rotation of the ball screw 153, a second speed reducer is arranged on the output shaft of the second driving motor 28, the second speed reducer adjusts the rotating speed of the output shaft of the second driving motor 28, the outer wall of the second driving motor 28 is fixedly sleeved with a second machine box 29, the second machine box 29 protects the second driving motor 28, and the left side of the second machine box 29 is fixedly connected with the right side of the storage box 20.

[0034] The active component 21 comprises an active rod 211, the upper end of which is fixedly connected with the lower end surface of the storage box 20, the installation of the active rod 211 plays a role in connecting the storage box 20 and the disc 212, the end of the active rod 211 away from the storage box 20 is fixedly installed with the disc 212, the lower end of the disc 212 is fixedly connected with the spring 213, the setting of the spring 213 plays a role in connecting the disc 212 and the sleeve rod 214, the compression of the spring 213 can realize the height reduction of the igniter 3, the outer wall of the active rod 211 movably sleeves the sleeve rod 214 located below the storage box 20, the installation of the sleeve rod 214 provides space for the movement and installation of the active rod 211, the disc 212 and the spring 213, and the bottom surface of the inner wall of the sleeve rod 214 is fixedly connected with the lower end of the spring 213.

[0035] Working principle: in use, first, the use position of the igniter 3 is adjusted by rolling the universal wheel 23, and then the rolling of the universal wheel 23 is stopped after the igniter 3 is moved to one side of the furnace body 1, then the power of the second electric push rod 30 is turned on, the inside output shaft of the second electric push rod 30 is retracted to separate the triangular clamping block 102 from the limiting gear 101, at this time, the power of the first driving motor 25 is turned on, the first driving motor 25 is connected with the transmission assembly 24 to drive the rotation of the rotating shafts 9 on the left and right sides, the rotation of the rotating shafts 9 on the left and right sides drives the rotation of the straight gear 702 on the surface, since the straight gear 702 is engaged with the scale lines of the ruler strip 701, the straight gear 702 rotates around the circumference while driving the vertical lifting movement of the ruler strip 701, and the movement of the ruler strip 701 drives the movement of the protruding rod 8 in the vertical rod 32, thereby reinforcing and prolonging the stability of the lifting movement of the extension rod 6 in the protruding rod 8, the extension rod 6 extends and retracts while driving the movement of the igniter 3 in the same direction through the connection of various components, until the height of the igniter 3 is adjusted to one side of the inverted V-shaped tube 2, the power of the first driving motor 25 is turned off, the triangular clamping block 102 is clamped between two adjacent teeth of the limiting gear 101 to reinforce the stability of the igniter 3 after height adjustment, then the power of the second driving motor 28 is turned on, the movement of the movement assembly 15 drives the movement of the igniter 3 on the left and right sides, the power of the first electric push rod 13 is turned on, the inside output shaft of the first electric push rod 13 extends and retracts to realize the angle adjustment of the igniter 3, finally, the igniter 3 is deeply inserted into the inverted V-shaped tube 2, the valve of the acetylene cylinder 16 is opened, at this time, acetylene enters the inverted V-shaped tube 2 through an extension tube 18 and a first pipeline 4, ignites acetylene, and gradually adds oxygen through the oxygen cylinder 17, then the igniter 3 is moved to the edge, ignites the gas, and the residual gas is burned clean through the stable flame.

[0036] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. In the drawings of the present application, the filling patterns are only for distinguishing layers and do not have any other limitations.

[0037] While the embodiments of the present application have been shown and described, it is to be understood that the embodiments can be varied, modified, substituted and changed by those skilled in the art without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high furnace manhole igniter, comprising a furnace body (1), the right side of the furnace body (1) is fixedly installed with a manhole pipe (2), characterized in that: One side of the chevron tube (2) is provided with an igniter (3), the front and back of the igniter (3) is respectively provided with a first pipeline (4) and a second pipeline (5) for the inlet of acetylene and oxygen, the lower side of the igniter (3) is provided with an extension rod (6), the inner side of the extension rod (6) is provided with a lifting assembly (7) for adjusting the height of the igniter (3), the left and right sides of the extension rod (6) are both fixedly connected with a convex rod (8), the outer wall of the extension rod (6) is movably sleeved with a vertical rod (32), and the inner wall of the vertical rod (32) is movably connected with the outer wall of the convex rod (8), the inner wall of the lifting assembly (7) is fixedly sleeved with a rotating shaft (9), the front end of the rotating shaft (9) is provided with a limiting assembly (10) for reinforcing the stability of the igniter (3), the rear end of the rotating shaft (9) is connected with a first driving motor (25) through a transmission assembly (24), and a first speed reducer is arranged on the output shaft of the first driving motor (25), the outer wall of the first driving motor (25) is fixedly sleeved with a first machine box (26), and the front end of the first machine box (26) is fixedly provided with a protective box (27) outside the transmission assembly (24), and the front surface of the protective box (27) is fixedly connected with the back surface of the vertical rod (32).

2. A burner for a manhole of a blast furnace according to claim 1, characterized in that: The outer wall of the igniter (3) is fixedly sleeved with a concave block (11), the left side of the lower end face of the concave block (11) is provided with a support (12), the side away from the concave block (11) of the support (12) is provided with a mounting plate (14), the mounting plate (14) is connected with the concave block (11) through a first electric push rod (13), and the lower end face of the mounting plate (14) is provided with a moving assembly (15).

3. The igniter for the manhole of a blast furnace according to claim 1, characterized in that: The first pipeline (4) and the second pipeline (5) are connected with an acetylene cylinder (16) and an oxygen cylinder (17) through telescopic pipes (18), and the number of the telescopic pipes (18) is two, the outer walls of the first pipeline (4) and the second pipeline (5) are fixedly sleeved with a clamp (19), and the upper end of the clamp (19) is fixedly connected with the inner wall of the concave block (11).

4. The igniter for the manhole of a blast furnace according to claim 1, characterized in that: The upper end of the extension rod (6) is fixedly provided with a storage box (20) for storing the acetylene cylinder (16) and the oxygen cylinder (17), the lower end face of the storage box (20) is provided with a movable assembly (21), the end away from the storage box (20) of the movable assembly (21) is fixedly provided with a bottom plate (22), and the lower end face of the bottom plate (22) is provided with a universal wheel (23).

5. The igniter for the manhole of a blast furnace according to claim 1, characterized in that: The lifting assembly (7) comprises a ruler strip (701) and a straight gear (702), one side of the ruler strip (701) is fixedly connected with the inner wall of the extension rod (6), the side away from the extension rod (6) of the ruler strip (701) is engaged with the outer wall of the straight gear (702), and the inner wall of the straight gear (702) is fixedly sleeved with the outer wall of the rotating shaft (9).

6. The igniter for the manhole of a blast furnace according to claim 1, characterized in that: The limiting assembly (10) is composed of a limiting gear (101) and a triangular clamping block (102), the outer wall of the triangular clamping block (102) is movably clamped between two adjacent teeth of the limiting gear (101), the lower end surface of the triangular clamping block (102) is connected with the horizontal plate (31) through the No. 2 electric push rod (30), and the back surface of the horizontal plate (31) is fixedly connected with the front surface of the vertical rod (32).

7. The igniter for the manhole of a blast furnace according to claim 2, characterized by: The moving assembly (15) comprises a reinforcing rod (151), a ball nut (152) and a ball screw (153), the upper end of the reinforcing rod (151) is fixedly connected with the lower end surface of the mounting plate (14), one end of the reinforcing rod (151) away from the mounting plate (14) is fixedly connected with the upper end surface of the ball nut (152), the inner wall of the ball nut (152) is threadedly sleeved with the outer wall of the ball screw (153), the right end of the ball screw (153) is fixedly installed with the No. 2 driving motor (28) located at the right side of the storage box (20), a No. 2 speed reducer is arranged on the output shaft of the No. 2 driving motor (28), the outer wall of the No. 2 driving motor (28) is fixedly sleeved with the No. 2 machine box (29), and the left side of the No. 2 machine box (29) is fixedly connected with the right side of the storage box (20).

8. The igniter for the manhole of a blast furnace according to claim 4, characterized by: The movable assembly (21) comprises a movable rod (211), the upper end of the movable rod (211) is fixedly connected with the lower end surface of the storage box (20), one end of the movable rod (211) away from the storage box (20) is fixedly installed with a disc (212), the lower end of the disc (212) is fixedly connected with a spring (213), the outer wall of the movable rod (211) movably sleeved with a sleeve rod (214) located below the storage box (20), and the bottom surface of the inner wall of the sleeve rod (214) is fixedly connected with the lower end of the spring (213).

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