Billet arc-shaped material guiding device with preheating function

Abstract

This utility model relates to the field of guide rail equipment technology, and in particular to a billet arc-shaped material guiding device with preheating function. It includes a continuous casting machine, a first feeding channel, a heating furnace, and an arc-shaped material guiding mechanism. The idler roller at the outlet of the continuous casting machine is connected to the inlet of the heating furnace through the first feeding channel and the arc-shaped material guiding mechanism. The arc-shaped material guiding mechanism includes a first material guiding channel, a first bottom idler roller, an arc-shaped protective rail, and a first auxiliary roller. One end of the first material guiding channel is connected to the first feeding channel, and the first bottom idler roller and the arc-shaped protective rail are respectively provided inside and at the top of the first material guiding channel. A fixed support and the first auxiliary roller are provided on the inner wall of the arc-shaped protective rail. This utility model can turn the produced billet and guide it into the heating furnace, avoiding prolonged exposure to the external environment during movement, which would cause heat loss and a significant drop in the temperature of the billet when it enters the heating furnace.

Description

Technical Field

[0001] This utility model relates to the field of guide rail equipment technology, and in particular to a steel billet arc-shaped material guiding device with preheating function. Background Technology

[0002] In the steel production process, the steel billets produced by the continuous casting machine need to be reheated in a heating furnace to the temperature required for rolling before they can enter the subsequent rolling process. Currently, the conventional billet conveying and heating process in the industry is as follows: the steel billets exported from the continuous casting machine are first hoisted by a crane to a tilting cooling bed for temporary storage and shaping, and then conveyed to the heating furnace via a hot conveyor roller conveyor. However, this conventional process has significant technical flaws. The core problems are the severe heat loss of the billet and the high energy consumption in production: On the one hand, after the billet is taken out of the continuous casting machine, it needs to be exposed to the external environment for a long time through the stages of overhead crane transportation, temporary storage on the cooling bed and hot conveyor roller conveyor. During this period, a large amount of heat energy is lost through radiation and convection, resulting in a significant drop in the temperature of the billet when it enters the heating furnace; on the other hand, the heating furnace needs to consume more fuel to make up for the temperature drop of the billet and reheat it from a low temperature to a rolling temperature of about 970°C. This not only increases energy consumption and production costs, but also prolongs the heating time and reduces the overall production efficiency. To address these issues, some companies have attempted to shorten the billet conveying path and reduce external exposure time by connecting the straight rolling mill roller conveyor and the hot conveying roller conveyor, thereby reducing heat loss. Based on this, a channel structure with turning function has been proposed, allowing the billet to be directly introduced into the heating furnace, further optimizing the conveying process and reducing the heat loss of the billet. Utility Model Content

[0003] In view of the shortcomings of the above-mentioned traditional methods, the purpose of this utility model is to provide a preservative quantitative introduction device, which can turn the produced steel billet and introduce it into the heating furnace, so as to avoid prolonged exposure to the external environment during movement, which would cause heat loss and result in a significant drop in the temperature of the steel billet when it enters the heating furnace.

[0004] The technical implementation scheme of this utility model is as follows: A preheating billet arc-shaped material guiding device includes a continuous casting machine, a first feeding channel, a heating furnace, and an arc-shaped material guiding mechanism. The idler roller at the outlet of the continuous casting machine is connected to the inlet of the heating furnace through the first feeding channel and the arc-shaped material guiding mechanism. The arc-shaped material guiding mechanism includes a first material guiding channel, a first bottom idler roller, an arc-shaped guardrail, and a first auxiliary roller. One end of the first material guiding channel is connected to the first feeding channel, and the first bottom idler roller and the arc-shaped guardrail are respectively provided inside and above the first material guiding channel. A fixed support and a first auxiliary roller are provided on the inner wall of the arc-shaped guardrail. An auxiliary mechanism is provided above the first material guiding channel. The auxiliary mechanism includes a connecting plate and a second auxiliary roller. A connecting arm is provided at one end of the connecting plate, and a bracket and a second auxiliary roller are provided at the bottom of the connecting arm.

[0005] Optionally, one end of the bracket is movably connected to the fixing lug at the bottom of the connecting arm via a pin, and a torsion spring is provided at the connection between the pin and the fixing lug; the second auxiliary wheel is located inside the bracket.

[0006] Optionally, it also includes a preheating mechanism, which includes a cold water tank, a diversion pump, a water pipe, a first water pipe, a preheating box, and a cooling tank. The outlet of the cold water tank is connected to the inlet of the second bottom roller inside the discharge channel through the diversion pump, the water pipe, and the first water pipe. The outlet of the second bottom roller is connected to the cooling tank through the second water pipe.

[0007] Optionally, the preheating box is a rectangular cavity adjustment structure with openings at the bottom and both ends, and the preheating box is located directly above the discharge channel; an electric heating tube is installed inside the preheating box.

[0008] Optionally, the cooling tank is a rectangular cavity structure with an opening at the top, and the discharge end of the cooling tank is connected to the inlet end of the cold water tank through a return water pipe.

[0009] Optionally, the continuous casting machine is mounted on a frame, and the frame is fixedly connected to the connecting platform via a support column at the bottom.

[0010] This utility model has the following advantages: 1. This utility model provides a first material guide channel at the discharge end of the continuous casting machine, which is connected to an arc-shaped material guide mechanism to realize the feeding of steel billets. The billets are turned by the arc-shaped material guide mechanism and then enter the heating furnace for reheating before hot rolling. This design eliminates the need for hoisting equipment for lifting and improves the moving speed, thereby avoiding excessive cooling of the steel billets during transportation.

[0011] 2. In this utility model, the entire arc-shaped material guiding mechanism can not only achieve arc-shaped turning, but also, in order to improve the protective force, a fixed support and a first auxiliary rotating wheel are provided on the inner wall of the first material guiding channel, which can assist the steel billet to turn corners and improve stability.

[0012] 3. In this utility model, the connecting plate is set on the upper part of the arc-shaped guardrail, and a bracket and a second auxiliary wheel are movably set on the connecting arm of the connecting plate. A torsion spring is set at the connection between the bracket and the fixing ear of the connecting arm, which can keep the second auxiliary wheel attached to the upper surface of the steel billet, thereby achieving upper stability and preventing the steel billet from falling due to excessive impact during transportation.

[0013] 4. This utility model is equipped with a preheating mechanism, which can reheat the steel billet at the top of the discharge channel, thereby realizing the preheating operation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 This is a top view of the present invention.

[0016] Figure 3 This is a schematic diagram of the arc-shaped material guiding mechanism of this utility model.

[0017] Figure 4 This is a schematic diagram of the preheating mechanism of this utility model.

[0018] Figure 5 This is a schematic diagram of the auxiliary mechanism of this utility model.

[0019] The meanings of the reference numerals in the figure are as follows: 1-support column, 2-frame, 3-continuous casting machine, 4-first feeding channel, 6-arc-shaped material guide mechanism, 601-first material guide channel, 602-first bottom support roller, 603-arc-shaped guardrail, 604-fixed support, 605-first auxiliary wheel, 7-auxiliary mechanism, 701-connecting plate, 702-connecting arm, 703-fixed lug, 704-bracket, 705-second auxiliary wheel, 8-preheating mechanism, 801-cold water tank, 802-guide pump, 803-water pipe, 805-first water pipe, 806-preheating box, 808-cooling tank, 9-heating furnace. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.

[0021] like Figures 1-5As shown, a billet arc-shaped material guiding device with preheating function includes a continuous casting machine 3, a first feeding channel 4, a heating furnace 9, and an arc-shaped material guiding mechanism 6. The idler roller at the outlet of the continuous casting machine 3 is connected to the inlet of the heating furnace 9 through the first feeding channel 4 and the arc-shaped material guiding mechanism 6. The arc-shaped material guiding mechanism 6 includes a first material guiding channel 601, a first bottom idler roller 602, an arc-shaped guardrail 603, and a first auxiliary roller 605. One end of the first material guiding channel 601 is connected to the first feeding channel 4. The first material guide channel 601 is provided with a first bottom support roller 602 and an arc-shaped guardrail 603 inside and above, respectively. The inner wall of the arc-shaped guardrail 603 is provided with a fixed support 604 and a first auxiliary rotating wheel 605. The upper part of the first material guide channel 601 is provided with an auxiliary mechanism 7, which includes a connecting plate 701 and a second auxiliary rotating wheel 705. One end of the connecting plate 701 is provided with a connecting arm 702, and the bottom of the connecting arm 702 is provided with a bracket 704 and a second auxiliary rotating wheel 705.

[0022] It should be noted that a first feeding channel is set at the discharge port of the continuous casting machine 3, and is connected to the arc-shaped guiding mechanism 6. This is used to turn the billet when it is discharged and send it into the heating furnace 9. The purpose of this design is that during the billet casting process of the continuous casting machine 3, the billet needs to be reheated in the heating furnace 9 before it can be hot rolled. However, due to the limited plant area, the distance between the continuous casting machine 3 and the heating furnace 9 is relatively far, and it can only be placed horizontally. When transporting the billet, it is necessary to use hoisting equipment to lift the produced billet and place it on another guiding channel before sending it into the heating furnace 9. However, this method takes a long time to lift, which causes the temperature of the billet to drop, and the heating process in the heating furnace 9 takes more time, affecting efficiency. Based on this, the arc-shaped guiding mechanism 6 was designed to work with the first feeding channel 4 to turn the billet and quickly send it into the heating furnace 9, preventing the billet from cooling down too much.

[0023] It should be further explained that the first material guiding channel 601 is an arc-shaped material guiding channel, and a first bottom roller 602 is provided inside for guiding the steel billet. In this process, a fixed support 604 and a first auxiliary roller 605 are provided on the inner wall of the first material guiding channel 601. The first auxiliary roller 605 is used to assist in guiding the material and improve stability.

[0024] like Figures 1-4 As shown, one end of the bracket 704 is movably connected to the fixing ear 703 at the bottom of the connecting arm 702 via a pin, and a torsion spring is provided at the connection between the pin and the fixing ear 703; the second auxiliary rotating wheel 705 is located inside the bracket 704.

[0025] It should be further explained that the connecting plate is set on the upper part of the arc-shaped guardrail, and the connecting arm of the connecting plate is movably equipped with a bracket and a second auxiliary wheel. A torsion spring is set at the connection between the bracket and the fixing ear of the connecting arm, which can keep the second auxiliary wheel attached to the upper surface of the billet, thereby achieving upper stability and preventing the billet from falling due to excessive impact during transportation.

[0026] like Figures 1-5 As shown, it also includes a preheating mechanism 8, which includes a cold water tank 801, a guide pump 802, a water pipe 803, a first water pipe 805, a preheating box 806, and a cooling tank 808. The outlet of the cold water tank 801 is connected to the inlet of the second bottom roller 607 inside the discharge channel 606 through the guide pump 802, the water pipe 803, and the first water pipe 805. The outlet of the second bottom roller 607 is connected to the cooling tank 808 through the second water pipe. The preheating box 806 is a rectangular cavity adjustment structure with openings at the bottom and both ends, and the preheating box 806 is located directly above the discharge channel 606. An electric heating tube is installed inside the preheating box 806.

[0027] It should be noted that the preheating mechanism 8 is set up to reheat the steel billet during transportation, thereby increasing the temperature of the steel billet and reducing the operating time of the heating furnace 9. The preheating box 806 is set directly above the discharge channel 606 and heats the steel billet during transportation through internal electric heating tubes. In order to avoid affecting the second bottom roller 607 at the bottom during heating, the entire second bottom roller 607 adopts a hollow structure. One end is connected to the cold water tank 801 through the guide pump 802, and cooling water is introduced into it. It is then connected to the cooling tank 808 through the second water guide pipe, so that the cooling water flows continuously, thereby removing the heat generated on its surface due to contact with the steel billet and the heat radiated during heating, thus improving its service life.

[0028] like Figures 1-5 As shown, the cooling tank 808 is a rectangular cavity structure with an opening at the top, and the discharge end of the cooling tank 808 is connected to the inlet end of the cold water tank 801 through a return water pipe; the continuous casting machine 3 is mounted on the frame 2, and the frame 2 is fixedly connected to the connecting platform through the support column 1 at the bottom.

[0029] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A billet arc-shaped material guiding device with preheating function, comprising a continuous casting machine (3), a first feeding channel (4), a heating furnace (9), and an arc-shaped material guiding mechanism (6), characterized in that, The idler roller at the discharge port of the continuous casting machine (3) is connected to the feed port of the heating furnace (9) through the first feeding channel (4) and the arc-shaped guiding mechanism (6); The arc-shaped material guiding mechanism (6) includes a first material guiding channel (601), a first bottom roller (602), an arc-shaped guardrail (603), and a first auxiliary wheel (605). One end of the first material guiding channel (601) is connected to the first feeding channel (4), and the first bottom roller (602) and the arc-shaped guardrail (603) are respectively provided inside and above the first material guiding channel (601). A fixed support (604) and the first auxiliary wheel (605) are provided on the inner wall of the arc-shaped guardrail (603). An auxiliary mechanism (7) is provided at the upper part of the first material guide channel (601). The auxiliary mechanism (7) includes a connecting plate (701) and a second auxiliary wheel (705). A connecting arm (702) is provided at one end of the connecting plate (701), and a bracket (704) and a second auxiliary wheel (705) are provided at the bottom of the connecting arm (702).

2. The billet arc-shaped material guide device with preheating function according to claim 1, characterized in that, One end of the bracket (704) is movably connected to the fixing ear (703) at the bottom of the connecting arm (702) via a pin, and a torsion spring is provided at the connection between the pin and the fixing ear (703); The second auxiliary wheel (705) is located inside the bracket (704).

3. A billet arc-shaped material guiding device with preheating function according to claim 2, characterized in that, It also includes a preheating mechanism (8), which includes a cold water tank (801), a flow pump (802), a water pipe (803), a first water pipe (805), a preheating box (806), and a cooling tank (808). The outlet of the cold water tank (801) is connected to the inlet of the second bottom roller (607) inside the discharge channel (606) through the flow pump (802), the water pipe (803), and the first water pipe (805). The outlet of the second bottom roller (607) is connected to the cooling tank (808) through the second water pipe.

4. A preheating arc-shaped billet guide device according to claim 3, characterized in that, The preheating box (806) is a rectangular cavity adjustment structure with openings at the bottom and both ends, and the preheating box (806) is located directly above the discharge channel (606); The preheating box (806) is equipped with an electric heating tube inside.

5. A billet arc-shaped material guide device with preheating function according to claim 1, characterized in that, The cooling tank (808) is a rectangular cavity structure with an opening at the top, and the discharge end of the cooling tank (808) is connected to the inlet end of the cold water tank (801) through a return water pipe.

6. A preheating arc-shaped billet guide device according to claim 1, characterized in that, The continuous casting machine (3) is mounted on the frame (2), and the frame (2) is fixedly connected to the connecting platform through the support column (1) at the bottom.

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