V-shaped diversion trench heat preservation device

By designing a V-shaped flow guide groove insulation device, the problems of heat loss and iron scale accumulation during the conveying of hot steel billets were solved, achieving efficient insulation and flow guidance in one, and reducing equipment failure and maintenance costs.

CN223875793UActive Publication Date: 2026-02-06SHANDONG IRON & STEEL GRP YONGFENG LINGANG CO LTD
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Patent Information

Application Number
CN202520369572.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-02-06
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

In existing technologies, hot-delivered steel billets suffer significant heat loss and scale buildup during transport, leading to increased equipment resistance and maintenance difficulties. Traditional insulation covers, with their enclosed structure, cannot quickly clean up accumulated slag, resulting in high maintenance costs.

Method used

Design a V-shaped flow guide groove insulation device, including an insulation cover and a V-shaped flow guide groove. The insulation cover is fitted above the rolling mill roller table. The bottom of the V-shaped flow guide groove is equipped with a detachable baffle and a buffer plate. The flow guide plate is connected by a flexible hinge to realize the integration of insulation and flow guidance, and avoid the accumulation of iron sheet and heat loss.

Benefits of technology

It achieves a reduction of heat loss of more than 30%, avoids equipment failure caused by the accumulation of sheet metal, and reduces maintenance difficulty and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of metallurgical equipment steel rolling roller way heat preservation, in particular to a V-shaped diversion trench heat preservation device. Comprising a heat preservation cover and V-shaped flow guide grooves, the heat preservation cover is arranged above a steel rolling roller way in a sleeving mode, the V-shaped flow guide grooves are formed in the two sides of the bottom of the heat preservation cover, detachable baffles are arranged at the bottoms of the V-shaped flow guide grooves, buffer plates are connected below the V-shaped flow guide grooves, flow guide plates are arranged at the bottoms of the buffer plates, and the heat preservation cover is arranged on the upper portions and the side faces of the roller way and steel billets. The V-shaped flow guide grooves are welded to the bottoms of the two sides of the heat preservation cover, the whole V-shaped flow guide grooves are in a V shape, openings of the V-shaped flow guide grooves are upward, the bottoms of the V-shaped flow guide grooves are not connected, the detachable baffles are arranged at the bottoms of the V-shaped flow guide grooves, the detachable baffles are made of large-aperture grate plates, the size of the detachable baffles is larger than that of the bottoms of the V-shaped flow guide grooves, and the buffer plates are welded to the V-shaped flow guide grooves. According to the V-shaped diversion trench heat preservation device, heat is reduced, iron sheet accumulation is avoided, and long-term stable operation of equipment is guaranteed through high-temperature-resistant materials.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical equipment rolling mill roller bed heat preservation technical field, concretely relates to a V -shaped flow guide groove heat preservation device. BACKGROUND

[0002] In the steel production process, hot billet needs to be transported from the continuous casting machine to the rolling mill through the roller bed. In order to reduce the temperature loss of the discharged billet during the discharge and rolling mill transportation, ensure the temperature drop of the discharged billet on the discharge roller and the straight rolling roller, and install the heat preservation cover made of fiber cotton above the roller between the roller to play the role of billet heat preservation, but the existing technology has the following defects: 1. Serious heat loss, a large amount of heat is taken away by the slag flushing water flowing under the roller, resulting in a sharp drop in the temperature of the billet after shutdown; 2. Iron skin accumulation and blockage, the iron oxide skin (iron skin) falling off from the billet is easy to accumulate at the bottom of the roller, increasing the equipment resistance and affecting normal operation; 3. Difficult to maintain, the traditional heat preservation cover structure is closed, and the accumulated slag cannot be quickly cleaned, so the maintenance cost is high.

[0003] Therefore, it is urgent to design a V-shaped flow guide groove heat preservation device to solve the problems of heat loss and iron skin accumulation during billet transportation. UTILITY MODEL CONTENTS

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a V-shaped flow guide groove heat preservation device.

[0005] The utility model solves the technical problems thereof by adopting the technical scheme of a V-shaped flow guide groove heat preservation device, which comprises a heat preservation cover and a V-shaped flow guide groove, the heat preservation cover is arranged above the rolling mill roller, V-shaped flow guide grooves are arranged on both sides of the bottom of the heat preservation cover, a detachable baffle is arranged at the bottom of the V-shaped flow guide groove, a buffer plate is connected to the lower end of the V-shaped flow guide groove, and a flow guide plate is arranged at the bottom of the buffer plate.

[0006] Specifically, the heat preservation cover is arranged on the upper part and the side of the roller and the billet, and a heat insulation layer is arranged in the heat preservation cover.

[0007] Specifically, the V-shaped flow guide groove is welded to the bottom of both sides of the heat preservation cover, the V-shaped flow guide groove is in the shape of a whole "V", the opening of the V-shaped flow guide groove is upward, and the bottom is not connected.

[0008] Specifically, the detachable baffle is arranged at the bottom of the inner side of the V-shaped flow guide groove, the detachable baffle is made of a large-aperture grating plate, and the size of the detachable baffle is larger than that of the bottom of the V-shaped flow guide groove.

[0009] Specifically, the buffer plate is welded to the lower end of the V-shaped flow guide groove, the buffer plate is also in the shape of a "V", and the included angle between the buffer plate and the detachable baffle is 60-75°.

[0010] Specificly, the guide plate is arranged at the bottom end of the buffer plate, and the guide plate is movably connected with the buffer plate through an elastic hinge.

[0011] The utility model has the following beneficial effects:

[0012] The V-shaped guide groove heat preservation device has the following advantages: 1. dual functions: integrated design of heat preservation and flow guide, reducing heat loss by more than 30%, and avoiding equipment failure caused by iron sheet accumulation; 2. high temperature resistance: high temperature resistant material ensures long-term stable operation of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the structure diagram of V-shaped guide groove heat preservation device.

[0014] In the figure: 1 - heat preservation cover, 2 - V-shaped guide groove, 2.1 - detachable baffle, 2.2 - buffer plate, 2.3 - guide plate, 3 - slag flushing ditch. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be further clearly and completely explained in detail in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0016] As shown in Figure 1 A V-shaped guide groove 2 heat preservation device, including heat preservation cover 1 and V-shaped guide groove 2, heat preservation cover 1 is set on the rolling mill roller above, the both sides of heat preservation cover 1 bottom are installed V-shaped guide groove 2, V-shaped guide groove 2 bottom is equipped with detachable baffle 2.1, V-shaped guide groove 2 is connected with buffer plate 2.2, buffer plate 2.2 bottom is equipped with guide plate 2.3.

[0017] The heat preservation cover 1 is arranged on the upper portion and both sides of the steel rolling table, a heat insulation layer is arranged in the heat preservation cover 1, the heat preservation cover 1 is used for heat preservation of the steel rolling table, the V-shaped flow guide groove 2 is welded on both sides of the bottom of the heat preservation cover 1, the V-shaped flow guide groove 2 is used for guiding the slag flushing water and the iron sheet to the slag flushing water ditch 3, the detachable baffle 2.1 is arranged at the bottom of the V-shaped flow guide groove 2, the detachable baffle 2.1 is a grate plate with large aperture, the detachable baffle 2.1 is used for blocking the large iron sheet and impurities, so as to avoid the slag flushing water ditch 3 from being blocked, workers can regularly detach the detachable baffle 2.1 to clean the large iron sheet and impurities, the buffer plate 2.2 is welded at the lower end of the V-shaped flow guide groove 2, the buffer plate 2.2 is used for buffering the slag flushing water flowing out of the V-shaped flow guide groove 2, so as to avoid the water splash caused by the slag flushing water, the buffer plate 2.2 is provided with the flow guide plate 2.3, the flow guide plate 2.3 is movably connected to the bottom of the buffer plate 2.2 through a spring, the flow guide plate 2.3 is controlled by the spring to open and close under the impact of water pressure, and the flow guide plate 2.3 is used for further controlling the water flow direction, so that the water flow slowly and accurately flows into the slag flushing water ditch 3.

[0018] The utility model is not limited to the above-mentioned embodiment, anyone should know the structural change made under the enlightenment of the utility model, any technical scheme with the same or similar utility model falls into the protection scope of the utility model.

[0019] The utility model is not limited to the above-mentioned embodiment, anyone should know the structural change made under the enlightenment of the utility model, any technical scheme with the same or similar utility model falls into the protection scope of the utility model.

[0020] It should be noted that, in this document, 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 variation 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 include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0021] Although embodiments of the present utility model have been shown and described, it is to be understood that the embodiments are merely exemplary and that certain changes, modifications, substitutions and alterations can be suggested to one skilled in the art and that the scope of the utility model is to be limited only by the appended claims and equivalents thereof.

Claims

1. A V-shaped gutter heat preservation device, characterized in that, The application relates to a heat preservation cover and a V-shaped flow guide groove, the heat preservation cover is sleeved above a steel rolling table, V-shaped flow guide grooves are arranged at the two sides of the bottom of the heat preservation cover, detachable baffles are arranged at the bottom of the V-shaped flow guide grooves, a buffer plate is connected to the lower end of the V-shaped flow guide groove, and a flow guide plate is arranged at the bottom end of the buffer plate.

2. The V-shaped chute heat preservation device according to claim 1, characterized in that, The heat preservation cover is arranged at the upper portion and the side of the roller table and the billet, and a heat insulation layer is arranged in the heat preservation cover.

3. The V-shaped chute heat preservation device according to claim 1, characterized in that, The V-shaped flow guide groove is welded at the bottom of the two sides of the heat preservation cover, the V-shaped flow guide groove is in a whole "V" shape, the opening of the V-shaped flow guide groove is upward, and the bottom is not connected.

4. The V-shaped chute heat preservation device according to claim 1, characterized in that, The detachable baffle is arranged at the bottom of the inner side of the V-shaped flow guide groove, the detachable baffle is made of a large-aperture grate plate, and the size of the detachable baffle is larger than that of the bottom of the V-shaped flow guide groove.

5. The V-shaped chute heat preservation device according to claim 1, characterized in that, The buffer plate is welded at the lower end of the V-shaped flow guide groove, the buffer plate is also in a "V" shape, and the included angle between the buffer plate and the detachable baffle is 60-75 degrees.

6. The V-shaped gutter heat preservation device according to claim 1, characterized in that, The flow guide plate is movably connected with the buffer plate through an elastic hinge.