Feeding pipe structure of submerged arc furnace

Abstract

The utility model relates to the technical field of submerged arc furnaces, in particular to a feeding pipe structure of a submerged arc furnace, which comprises a spiral pipe, two bending pipes, two limiting components and two fixing components, the two bending pipes are fixedly connected with the spiral pipe, the two limiting components are respectively arranged on the outer sides of the corresponding bending pipes, and the two fixing components are respectively arranged on the outer sides of the bending pipes. The two fixing assemblies are arranged below the corresponding limiting assemblies respectively, each limiting assembly comprises a limiting ring, two first telescopic rods and two first springs, the limiting rings cover the outer side of the bent pipe, one ends of the two first telescopic rods are fixedly connected with the limiting rings, the other ends of the two first telescopic rods are fixedly connected with the bent pipe, and the first springs are arranged on the limiting rings. Through the arrangement of the structure, the problems that in the prior art, the first buffer pipe and the second buffer pipe are both fixedly arranged with the spiral pipe, when materials are conveyed, the impact force of the materials can also influence the spiral pipe, and the reduction degree of the impact force is also influenced due to the fixed arrangement with the spiral pipe are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ore furnace, especially relates to a ore furnace's feed pipe structure. BACKGROUND

[0002] Ore furnace is mainly used for reducing smelting ore, carbonaceous reducing agent and solvent and other raw materials. It smelts metal through arc heat, resistance heat of current through furnace charge and carbon combustion heat and reducing agent reaction heat. The working characteristics of ore furnace are that carbonaceous or magnesia refractory material is used as furnace lining, self-baking electrode or graphite, carbon electrode is used, electrode is inserted into furnace charge to carry out buried arc operation, continuously charges, intermittently tap (tapping), and continuously operates.

[0003] In the prior art, the patent document with the announcement number (CN219494846U) mentions a ore furnace's feed pipe structure, including first buffer pipe, second buffer pipe, vertical pipe, spiral pipe and inclined pipe, the lower end of vertical pipe is connected with the upper end of spiral pipe through first elbow pipe, the side wall of first elbow pipe is equipped with first installation port, and first installation port is opposite to the lower end port of vertical pipe, the lower end of spiral pipe is connected with the upper end of inclined pipe through second elbow pipe, the side wall of second elbow pipe is equipped with second installation port, and second installation port is opposite to the lower end port of spiral pipe, first installation port and second installation port are equipped with buffer net, first buffer pipe is located below first elbow pipe, and the upper portion of first buffer pipe is wrapped around the outside of first elbow pipe, the second buffer pipe is located below second elbow pipe, and the upper portion of second buffer pipe is wrapped around the outside of second elbow pipe, and the lower end of first buffer pipe and the lower end of second buffer pipe are respectively equipped with filter screen. The prior art reduces the impact of iron material, prolongs the service life of feed pipe.

[0004] But the first buffer pipe and the second buffer pipe of the prior art are fixedly arranged with the spiral pipe, when transporting material, the impact force of material will also affect the spiral pipe, and the reduction degree of impact force is also affected by the fixed arrangement with the spiral pipe. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a ore furnace's feed pipe structure, solveed the prior art first buffer pipe and the second buffer pipe are fixedly arranged with the spiral pipe, when transporting material, the impact force of material will also affect the spiral pipe, and the reduction degree of impact force is also affected by the fixed arrangement with the spiral pipe problem.

[0006] The utility model provides a kind of feed pipe structure of ore-heating furnace, including spiral pipe, two elbow pipes, two limiting components and two fixed components, two The elbow pipe is fixedly connected with the spiral pipe, and is respectively arranged at the both ends of the spiral pipe, two The limiting component is respectively arranged at the outside of corresponding elbow pipe, two The fixed component is respectively arranged below corresponding limiting component, each The limiting component includes limiting ring, two first telescopic rods and two first springs, the limiting ring is covered in the outside of the elbow pipe, one end of two The first telescopic rod is fixedly connected with the limiting ring, the other end of two The first telescopic rod is fixedly connected with the elbow pipe, and is respectively arranged at the both sides of the elbow pipe, two The first spring is respectively covered in the surface of corresponding first telescopic rod.

[0007] Wherein, the fixed component includes mounting plate, bottom plate, second telescopic rod and second spring, one end of the second telescopic rod is fixedly connected with the limiting ring, and is located at the outside of the limiting ring, the other end of the second telescopic rod is fixedly connected with the mounting plate, the second spring is covered in the surface of the second telescopic rod, the bottom plate is slidably connected with the mounting plate, and is located below the bottom plate.

[0008] Wherein, the fixed component further includes protruding block, the protruding block is fixedly connected with the second telescopic rod, and is located at the upper end of the second telescopic rod.

[0009] Wherein, the feed pipe structure of ore-heating furnace further includes two connecting components, two The connecting component is respectively arranged at the both ends of corresponding elbow pipe, each The connecting component includes round pipe and connecting pipe, the round pipe is arranged at one end of the elbow pipe, one end of the round pipe is inserted into the inside of the elbow pipe, the connecting pipe is fixedly connected with the spiral pipe, and is covered in the outside of the elbow pipe.

[0010] Wherein, the connecting component further includes two sealing sheets, two The sealing sheet is fixedly connected with the elbow pipe, and is respectively arranged at one side of the round pipe and the connecting pipe.

[0011] The utility model discloses a kind of feed pipe structures of ore-heating furnace, the limiting ring is covered in the outside of the bent pipe, one end of two The first telescopic rod is fixedly connected with the limiting ring, the other end of two The first telescopic rod is fixedly connected with the bent pipe, and respectively arranged in the two sides of the bent pipe, two The first spring is covered in the surface of corresponding The first telescopic rod, when transporting raw materials, raw materials fall into the inside of the bent pipe, impact the bent pipe, at this time, the impact force direction of raw materials to the bent pipe is more vertical, corresponding The limiting ring is vertically arranged in the outside of corresponding The bent pipe, corresponding The first telescopic rod and The first spring are telescoped, reduce the impact force that the bent pipe receives, raw materials pass through The spiral pipe, enter into the inside of the bent pipe below, at this time, the pressure direction that the bent pipe receives is horizontal, the limiting ring below is horizontally arranged in the outside of the bent pipe, reduce the impact of raw materials, improve stability. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0013] Figure 1 It is the structure schematic view of the feed pipe structure of the ore-heating furnace of the present utility model.

[0014] Figure 2 It is the plan view of the feed pipe structure of the ore-heating furnace of the present utility model.

[0015] Figure 3 It is the A-A line section view of the Figure 2 of the present utility model.

[0016] Figure 4 It is the structure schematic view of B of the Figure 3 of the present utility model.

[0017] 1-spiral pipe, 2-bent pipe, 3-limiting ring, 4-first telescopic rod, 5-first spring, 6-mounting plate, 7-bottom plate, 8-protruding block, 9-second telescopic rod, 10-second spring, 11-tightness piece, 12-round pipe, 13-connection pipe. DETAILED DESCRIPTION

[0018] The embodiments of the present utility model will be described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the present utility model, and cannot be understood as the limitation of the present utility model.

[0019] Please refer to Figures 1-4 , wherein, Figure 1 is the structure diagram of the feeding pipe structure of the present utility model, Figure 2 is the top view of the feeding pipe structure of the present utility model, Figure 3 is the A-A line section view of the present utility model, Figure 2 is the B structure diagram of the present utility model. Figure 4 Figure 3

[0020] The present utility model provides a kind of feeding pipe structure of ore-heating furnace, including spiral pipe 1, two bent pipes 2, two connecting components, two limiting components and two fixed components, each limiting component includes limiting ring 3, two first telescopic rods 4 and two first springs 5, the fixed component includes mounting plate 6, bottom plate 7, protruding block 8, second telescopic rod 9 and second spring 10, each connecting component includes two sealing sheets 11, round pipe 12 and connecting pipe 13.

[0021] For the specific embodiment, two the bent pipe 2 is fixedly connected with the spiral pipe 1, and is respectively arranged at the two ends of the spiral pipe 1, two the limiting component is respectively arranged at the outer side of corresponding the bent pipe 2, two the fixed component is respectively arranged below corresponding the limiting component, the limiting ring 3 is covered at the outer side of the bent pipe 2, one end of two the first telescopic rod 4 is fixedly connected with the limiting ring 3, the other end of two the first telescopic rod 4 is fixedly connected with the bent pipe 2, and is respectively arranged at the two sides of the bent pipe 2, two the first spring 5 is respectively covered at the surface of corresponding the first telescopic rod 4, when transporting raw material, raw material falls to the inside of the bent pipe 2, and impact is caused to the bent pipe 2, at this time, the impact force direction of raw material to the bent pipe 2 is more vertical direction, corresponding the limiting ring 3 is vertically arranged at the outer side of corresponding the bent pipe 2, the first telescopic rod 4 and the first spring 5 on both sides are correspondingly telescopic, reduce the impact force that the bent pipe 2 receives, after raw material passes through the spiral pipe 1, enter the inside of the bent pipe 2 below, at this time, the pressure direction that the bent pipe 2 receives is horizontal, the limiting ring 3 below is horizontally arranged at the outer side of the bent pipe 2, reduce the impact of raw material, improve stability.

[0022] ​​The second telescopic rod 9 is fixedly connected with the limiting ring 3 and located outside the limiting ring 3, one end of the second telescopic rod 9 is fixedly connected with the mounting plate 6, the second spring 10 is wrapped on the surface of the second telescopic rod 9, the bottom plate 7 is slidingly connected with the mounting plate 6 and located below the bottom plate 7, and the second telescopic rod 9 and the second spring 10 are vertically arranged below the limiting ring 3 and can bear most of the impact in the vertical direction.

[0023] Secondly, the protruding block 8 is fixedly connected with the second telescopic rod 9 and located at the upper end of the second telescopic rod 9, and the protruding block 8 is clamped above the second spring 10, thereby improving the stability of the second spring 10.

[0024] Secondly, two connecting assemblies are arranged at two ends of the corresponding bending pipe 2 respectively, the circular pipe 12 is arranged at one end of the bending pipe 2, one end of the circular pipe 12 extends into the inside of the bending pipe 2, the connecting pipe 13 is fixedly connected with the spiral pipe 1 and wrapped outside the bending pipe 2, the bending pipe 2 is not fixed with the spiral pipe 1, the connecting pipe 13 is in the shape of a funnel and can effectively prevent the leakage of raw materials, and the diameter of the circular pipe 12 is different according to different installation positions, so that the inner diameter of the pipe below is greater than that of the pipe above.

[0025] In addition, two sealing sheets 11 are fixedly connected with the bending pipe 2 and arranged at one side of the circular pipe 12 and the connecting pipe 13 respectively, the sealing sheet 11 is made of soft material and can seal the spiral pipe 1, the bending pipe 2 and the circular pipe 12, thereby preventing the leakage of raw materials or the entry of rainwater.

[0026] When the raw materials are transported, the raw materials fall into the inside of the bending pipe 2 and impact the bending pipe 2, at this time, the impact force of the raw materials on the bending pipe 2 is mainly in the vertical direction, the limiting ring 3 is arranged in the vertical direction outside the corresponding bending pipe 2, the first telescopic rod 4 and the first spring 5 on both sides are correspondingly telescopic, the impact force borne by the bending pipe 2 is reduced, the raw materials enter the inside of the bending pipe 2 below after passing through the spiral pipe 1, at this time, the pressure direction of the bending pipe 2 is horizontal, the limiting ring 3 below is arranged horizontally outside the bending pipe 2, the impact caused by the raw materials is reduced, and the stability is improved, and the second telescopic rod 9 and the second spring 10 are vertically arranged below the limiting ring 3 and can bear most of the impact in the vertical direction.

[0027] The above disclosure only shows one or more preferred embodiments of the present application, and cannot limit the scope of the present application. Those skilled in the art can understand that the implementation of all or part of the above processes, and the equivalent changes made according to the claims of the present application, still belong to the scope covered by the present application.

Claims

1. A feed pipe structure for a submerged arc furnace, comprising a spiral pipe, characterized in that, It also includes two bent tubes, two limiting components and two fixing components. The two bent tubes are fixedly connected to the spiral tube and are respectively disposed at both ends of the spiral tube. The two limiting components are respectively disposed on the outside of the corresponding bent tubes, and the two fixing components are respectively disposed below the corresponding limiting components. Each of the limiting components includes a limiting ring, two first telescopic rods, and two first springs. The limiting ring covers the outside of the bent tube. One end of each of the two first telescopic rods is fixedly connected to the limiting ring, and the other end of each of the two first telescopic rods is fixedly connected to the bent tube and is respectively disposed on both sides of the bent tube. The two first springs respectively cover the surface of the corresponding first telescopic rod.

2. The feed pipe structure of the submerged arc furnace as described in claim 1, characterized in that, The fixing assembly includes a mounting plate, a base plate, a second telescopic rod, and a second spring. One end of the second telescopic rod is fixedly connected to the limiting ring and is located outside the limiting ring. The other end of the second telescopic rod is fixedly connected to the mounting plate. The second spring covers the surface of the second telescopic rod. The base plate is slidably connected to the mounting plate and is located below the base plate.

3. The feed pipe structure of the submerged arc furnace as described in claim 2, characterized in that, The fixing component also includes a protrusion block, which is fixedly connected to the second telescopic rod and located at the upper end of the second telescopic rod.

4. The feed pipe structure of the submerged arc furnace as described in claim 3, characterized in that, The feed pipe structure of the electric arc furnace also includes two connecting components, which are respectively disposed at both ends of the corresponding bent pipe. Each connecting component includes a round pipe and a connecting pipe. The round pipe is disposed at one end of the bent pipe, and the connecting pipe is disposed on one side of the bent pipe.

5. The feed pipe structure of the submerged arc furnace as described in claim 4, characterized in that, The connecting assembly also includes two sealing plates, which are fixedly connected to the bent tube and respectively disposed on one side of the round tube and the connecting tube.

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