Emergency blast furnace gun

Abstract

The utility model relates to the technical field of blast furnace metallurgy, and particularly discloses an emergency blast furnace mud gun which comprises a hanging piece, a push rod mechanism fixed in the hanging piece and a clamping frame used for clamping a mud gun mechanism, and the clamping frame is fixed on one side of the hanging piece through a support. The stemming mechanism comprises a stemming cylinder, a blocking piece, a hollow pipe and a top stopping mechanism which are sequentially connected from right to left, the stemming cylinder is connected with the blocking piece through mucilage glue, an outlet of the stemming cylinder is communicated with the interior of the hollow pipe, and a plurality of stemming outlets are formed in the circumferential surface of the hollow pipe at equal intervals. According to the technical scheme, through the conical mechanism of the top stopping mechanism, the top stopping mechanism and the hollow pipe can be guided to be rapidly embedded into the blast furnace iron notch, and the stemming in the stemming barrel is evenly extruded out of the stemming outlet of the hollow pipe through the push rod mechanism till the blast furnace iron notch is filled with the stemming. The filled stemming is matched with a top stopping mechanism clamped and embedded in the inner wall of the blast furnace iron notch and a blocking piece playing a sealing role, and the firmness of the stemming in the blast furnace iron notch can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to blast furnace metallurgy technical field, concretely is an emergency blast furnace mud gun. BACKGROUND

[0002] The mud gun used by blast furnace is hydraulic fixed type rotation mud gun, under the condition of continuous high temperature, the mud gun for blocking iron mouth often appears the trouble such as not rotating, which has great influence on ironmaking production, at present, once the mud gun fault appears in the domestic existing ironmaking plant, manual plugging method is used to block the iron mouth, which not only is low in operation efficiency, long in plugging time, great in labor intensity, and has great safety hidden danger.

[0003] In the process of realizing the utility model, the inventor finds that the following problems in the prior art have not been solved; the above-mentioned technology adopts the injection mode to extrude the gun mud into the iron mouth, and the following problems need to be solved: the gun mud extruded into the iron mouth is not uniform and has poor firmness effect, the non-uniform gun mud extruded into the iron mouth leads to poor sealing performance, and the chain reaction makes the blocked iron mouth still have safety hidden danger, which needs to be improved, therefore, we propose an emergency blast furnace mud gun. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an emergency blast furnace mud gun, which solves the problems proposed in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an emergency blast furnace mud gun, which comprises a hanging piece, a push rod mechanism fixed in the hanging piece, and a clamping frame for clamping a gun mud mechanism, the clamping frame is fixed to one side of the hanging piece through a support, the gun mud mechanism comprises a gun mud cylinder, a baffle, a hollow pipe and a top stop mechanism connected in sequence from right to left, the gun mud cylinder is connected with the baffle through adhesive, the outlet of the gun mud cylinder is communicated with the inside of the hollow pipe, and a plurality of mud outlets are arranged on the circumferential surface of the hollow pipe at equal intervals.

[0006] Further, the top stop mechanism comprises a square column seat and a ball head seat connected in sequence from right to left, a plurality of hinge pieces are arranged on the circumferential surface of the ball head seat at equal angles, the hinge pieces are rotatably provided with metal taper rods through pins, and the middle part of the metal taper rods is connected with the surface of the square column seat through springs.

[0007] Further, the square column seat is fixed to the center position of the end face of the hollow pipe.

[0008] Further, the push rod end face of the push rod mechanism is fixedly provided with a mud pushing plate, and the diameter of the mud pushing plate is consistent with the inner diameter of the gun mud cylinder.

[0009] Further, the clamping frame comprises a clamping ring and a support, the inner diameter of the clamping ring is consistent with the outer diameter of the mortar cylinder, and bolts for fastening the mortar cylinder are threadedly connected to the outer circumferential surface of the clamping ring.

[0010] Further, the hanging ring is fixedly arranged at the top of the hanging piece.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] The conical mechanism of the stop mechanism can guide the stop mechanism and the hollow pipe to be quickly embedded into the blast furnace iron mouth, the push rod mechanism uniformly extrudes the mortar in the mortar cylinder from the mortar outlet of the hollow pipe until the blast furnace iron mouth is filled, and the filled mortar, the stop mechanism embedded in the inner wall of the blast furnace iron mouth and the blocking piece achieving the sealing effect can greatly improve the firmness of the mortar in the blast furnace iron mouth. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the utility model will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0014] Fig. 1 It is a perspective view of the emergency blast furnace mortar gun;

[0015] Fig. 2 It is a structural schematic view of the stop mechanism;

[0016] Fig. 3 It is a structural schematic view of the emergency blast furnace mortar gun assembled to the blast furnace iron mouth.

[0017] In the drawings: 1, hanging piece; 101, hanging ring; 2, push rod mechanism; 201, mortar pushing plate; 3, clamping frame; 4, mortar cylinder; 5, blocking piece; 6, hollow pipe; 601, mortar outlet; 7, stop mechanism; 701, square column seat; 702, spring; 703, metal taper rod; 704, hinged piece; 705, ball head seat; 8, blast furnace iron mouth. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.

[0019] Embodiment 1, as Figs. 1-3As shown, the utility model provides a technical scheme: an emergency blast furnace mud gun, including the hanger 1, the push rod mechanism 2 fixed in the hanger 1 inside, the clamping frame 3 for clamping the mud gun mechanism, the clamping frame 3 is fixed to the hanger 1 one side through the support, the mud gun mechanism includes the mud gun barrel 4, the baffle 5, the hollow tube 6, the top stop mechanism 7 connected in order from right to left, the square column seat 701 is fixed to the center position of one side end face of the hollow tube 6, the mud gun barrel 4 is connected with the baffle 5 through adhesive, the outlet of the mud gun barrel 4 is connected with the hollow tube 6 inside, a plurality of mud outlets 601 are equidistantly formed on the circumferential surface of the hollow tube 6, the top stop mechanism 7 includes the square column seat 701, the ball head seat 705 connected in order from right to left, four hinging pieces 704 are arranged on the circumferential surface of the ball head seat 705 at equal angles, each hinging piece 704 is rotatably provided with a metal taper rod 703 through a pin shaft, and the middle part of each metal taper rod 703 is connected with the surface of the square column seat 701 through a spring 702.

[0020] In one specific embodiment of the utility model, the ball head seat 705, the square column seat 701, the hollow tube 6, the baffle 5, the mud gun barrel 4, the clamping frame 3, the push rod mechanism 2 and the hanger 1 are all arranged in horizontal center alignment, the mud gun barrel 4 is filled with blast furnace mud, the tail end of the mud gun barrel 4 is provided with a sealing end, the head end of the mud gun barrel 4 is connected with the hollow tube 6 in communication after being cut open, and the mud gun barrel 4 and the baffle 5 are adhered by adhesion;

[0021] The hanger 1 is moved as a whole through a hoisting mechanism, the push rod mechanism 2 is remotely controlled in the extension and retraction of the push rod by a controller and a wireless transceiver, and the push rod end surface of the push rod mechanism 2 is provided with a mud pushing plate 201, and the mud pushing plate 201 is embedded in the tail end of the mud gun barrel 4.

[0022] The control top stop mechanism 7 and the hollow tube 6 are embedded in the blast furnace iron mouth 8, the baffle 5 is tightly attached to the outer hole of the blast furnace iron mouth 8, the metal taper rod 703 of the top stop mechanism 7 is adapted to rotate in cooperation with the spring 702, thereby adapting to the inner diameter of the blast furnace iron mouth 8, the spring 702 makes the taper head of the metal taper rod 703 tightly attached to the inner wall of the blast furnace iron mouth 8 after the top stop mechanism 7 is at rest, so that the top stop mechanism 7 cannot be easily pulled out of the blast furnace iron mouth 8, the push rod of the push rod mechanism 2 is extended, the mud pushing plate 201 uniformly extrudes the mud in the mud gun barrel 4 from the mud outlet 601 of the hollow tube 6, until the blast furnace iron mouth 8 is filled, and the filled mud cooperates with the top stop mechanism 7 embedded in the inner wall of the blast furnace iron mouth 8 and the baffle 5 that plays a sealing effect, so that the firmness of the mud in the blast furnace iron mouth 8 can be greatly improved.

[0023] In the preferred technical scheme, the push rod end surface of the push rod mechanism 2 is fixedly provided with the mud pushing plate 201, the diameter of the mud pushing plate 201 is consistent with the inner diameter of the mud gun barrel 4, the push rod mechanism 2 cooperates with the mud pushing plate 201, so that the mud in the mud gun barrel 4 can be conveniently extruded.

[0024] In the preferred technical solution, the clamping frame 3 comprises a clamping ring and a support, the inner diameter of the clamping ring is consistent with the outer diameter of the ramming cylinder 4, the outer circumferential surface of the clamping ring is threadedly connected with a bolt for fastening the ramming cylinder 4, the clamping ring cooperates with the bolt to clamp the ramming cylinder 4, and the support is used to connect the clamping frame 3 with the hanging piece 1.

[0025] In the preferred technical solution, the hanging piece 1 is fixedly provided with a hanging ring 101 at the front end and the rear end of the top, the hanging ring 101 is connected with a hoisting device through a rope, and is used to adjust the position of the hanging piece 1, so as to facilitate the operation of the stopper mechanism 7 and the embedding of the hollow pipe 6 into the blast furnace iron notch 8.

[0026] In summary: the stopper mechanism is close to the blast furnace iron notch 8 through the hoisting device, the conical mechanism of the stopper mechanism 7 can guide the stopper mechanism and the hollow pipe 6 to be quickly embedded into the blast furnace iron notch, the push rod mechanism 2 uniformly extrudes the ramming clay in the ramming cylinder from the clay outlet of the hollow pipe 6 until the blast furnace iron notch is filled, and the filled ramming clay cooperates with the stopper mechanism 7 clamped on the inner wall of the blast furnace iron notch and the stopper effect of the baffle 5 can greatly improve the firmness of the ramming clay in the blast furnace iron notch, and the ramming cylinder 4 and the baffle 5 are cut and separated, that is, the work of the emergency and rapid plugging of the blast furnace iron notch by the blast furnace ramming clay is completed.

Claims

1. An emergency blast furnace mud gun, characterized in that: The device includes a hanging component (1), a push rod mechanism (2) fixed inside the hanging component (1), and a clamping frame (3) for clamping the mud-making mechanism. The clamping frame (3) is fixed to one side of the hanging component (1) by a bracket. The mud-making mechanism includes a mud-making cylinder (4), a baffle (5), a hollow tube (6), and a top-stopping mechanism (7) connected sequentially from right to left. The mud-making cylinder (4) is connected to the baffle (5) by adhesive. The outlet of the mud-making cylinder (4) is connected to the inside of the hollow tube (6). The hollow tube (6) has several mud outlets (601) equidistantly opened on its circumferential surface.

2. The emergency blast furnace mud gun according to claim 1, characterized in that: The stop mechanism (7) includes a square column base (701) and a ball head base (705) connected sequentially from right to left. The ball head base (705) has several hinges (704) arranged at equal angles on its circumferential surface. The hinges (704) are rotatably provided with a metal cone rod (703) through a pin. The middle part of the metal cone rod (703) is connected to the surface of the square column base (701) through a spring (702).

3. The emergency blast furnace mud gun according to claim 2, characterized in that: The square column base (701) is fixed at the center of one end face of the hollow tube (6).

4. The emergency blast furnace mud gun according to claim 1, characterized in that: The push rod mechanism (2) has a pusher plate (201) fixedly installed on the push rod end face, and the diameter of the pusher plate (201) is consistent with the inner diameter of the mud cylinder (4).

5. The emergency blast furnace mud gun according to claim 1, characterized in that: The clamping frame (3) includes a clamping ring and a bracket. The inner diameter of the clamping ring is consistent with the outer diameter of the clay tube (4). The outer circumferential surface of the clamping ring is threaded with bolts for fastening the clay tube (4).

6. The emergency blast furnace mud gun according to claim 1, characterized in that: The top front and rear ends of the hanging component (1) are fixedly equipped with hanging rings (101).

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