Transportation device for heat preservation cover for iron and steel smelting

Abstract

The utility model belongs to the technical field of iron and steel smelting, and particularly relates to an iron and steel smelting heat preservation cover transporting device which comprises an arc-shaped mounting seat, arc-shaped connecting walls are hinged to the two sides of the arc-shaped mounting seat, and heat preservation assemblies are fixedly connected to the inner sides of the arc-shaped mounting seat and the arc-shaped connecting walls. A heat preservation plate is fixedly connected to the inner side of the heat preservation assembly, heat preservation cotton is fixedly connected to the inner side of the heat preservation plate, and a sealing door is in threaded connection to one end of the arc-shaped mounting base. According to the ceramic fiber heat preservation cotton, the whole ceramic fiber heat preservation cotton can be reinforced, the loss of the whole ceramic fiber heat preservation cotton caused by thermal expansion and cold contraction due to large temperature change amplitude in the long-term use process of the ceramic fiber heat preservation cotton is delayed, and the second silicon nitride ceramic pipes which are arranged in an inclined and staggered mode play roles in reinforcing and heat preservation; the method is used for further improving the stability of the first silicon nitride ceramic tube in the ceramic fiber heat preservation cotton.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the steel smelting technical field, concretely relates to a heat -preserving cover transport device for steel smelting. BACKGROUND

[0002] In the steel smelting process, the molten steel or steel temperature is extremely high just after the furnace. For example, the temperature of molten steel can reach about 1600 DEG C. If there is no effective heat preservation measure in the transportation process, the heat will be quickly lost to the surrounding environment. The heat preservation cover transport device is like a "heat preservation coat", which can greatly reduce the heat dissipation rate.

[0003] But in the long-term high-temperature environment, aging phenomenon will gradually appear. For example, the fiber structure of ceramic fiber may be damaged in the process of repeated heating and cooling, resulting in brittle and broken fiber. The porosity of the heat preservation material may change, the air content decreases, thereby reducing the heat insulation performance. INNOVATION CONTENT

[0004] The utility model provides a heat -preserving cover transport device for steel smelting, with the whole of the ceramic fiber heat -preserving cotton for heat preservation can be reinforced, delays the ceramic fiber heat -preserving cotton in the long -term use process, the thermal expansion and contraction due to the temperature change range is large and causes the loss of the whole ceramic fiber heat -preserving cotton, and the second silicon nitride ceramic pipe can play the role of reinforcement and heat preservation in the inside of ceramic fiber heat -preserving cotton, further improves the stability of the first silicon nitride ceramic pipe in ceramic fiber heat -preserving cotton.

[0005] The utility model provides following technical scheme: a heat -preserving cover transport device for steel smelting, including arc installation seat, both sides of arc installation seat are hinged with arc connecting wall, the inboard of arc installation seat with arc connecting wall all are fixedly connected with heat preservation subassembly, and the inboard of heat preservation subassembly is fixedly connected with heat preservation board, the inboard of heat preservation board is fixedly connected with heat preservation cotton, one end of arc installation seat is connected with sealing door with screw thread, the outside of sealing door is equipped with sealing ring, the heat preservation subassembly includes ceramic fiber heat -preserving cotton, a plurality of first silicon nitride ceramic pipes and a plurality of second silicon nitride ceramic pipes, a plurality of first silicon nitride ceramic pipes are fixedly connected in the inside of ceramic fiber heat -preserving cotton and are staggered, a plurality of second silicon nitride ceramic pipes are mutually inclined and staggered, and a plurality of second silicon nitride ceramic pipes and a plurality of first silicon nitride ceramic pipes are fixedly connected at the overlapping place.

[0006] Wherein, the bottom of arc installation seat is fixedly connected with support connecting seat.

[0007] Wherein, the top of arc connecting wall is fixedly connected with connecting plate, and two connecting plates are fixed through fixed bolt.

[0008] The outer side of the connecting part of the arc-shaped connecting wall and the arc-shaped mounting seat is provided with an outer protective soft wall, and the two ends of the outer protective soft wall are fixedly connected to the outer sides of the arc-shaped connecting wall and the arc-shaped mounting seat.

[0009] The outer side of the heat preservation plate located in the inner side of one of the arc-shaped connecting walls is fixedly connected with a sealing plate, and the other end of the sealing plate extends to the lower side of the other arc-shaped connecting wall.

[0010] The inside of the first silicon nitride ceramic pipe is filled with vitrified microbead particles.

[0011] The top of the overlapping part of the plurality of second silicon nitride ceramic pipes and the plurality of first silicon nitride ceramic pipes is fixedly connected with a reinforcing plate, the outer side of the reinforcing plate is fixedly connected with a thickened connecting seat, and the thickened connecting seat is fixedly connected to the top of one end of the second silicon nitride ceramic pipe.

[0012] The beneficial effects of the utility model are: under the cooperation of the first silicon nitride ceramic pipe and the second silicon nitride ceramic pipe, the first silicon nitride ceramic pipe can reinforce the whole ceramic fiber heat preservation cotton, delay the thermal expansion and contraction of the ceramic fiber heat preservation cotton due to the large temperature change range in the long-term use process, and cause the loss of the whole ceramic fiber heat preservation cotton, meanwhile, the second silicon nitride ceramic pipe can reinforce and insulate the ceramic fiber heat preservation cotton, further improve the stability of the first silicon nitride ceramic pipe in the ceramic fiber heat preservation cotton, improve the heat preservation performance and firmness of the heat preservation assembly in the use process, and the whole device can effectively delay the consumption of the molten steel in the transportation process through the multi-layer combination of the heat preservation assembly, the heat preservation plate and the heat preservation cotton.

[0013] The parts not involved in the device are the same as or can be realized by the prior art. ACCURATE DRAWINGS

[0014] Figure 1 It is a front view cross-sectional structure schematic diagram of the utility model;

[0015] Figure 2 It is a top view cross-sectional structure schematic diagram of the heat preservation assembly in the utility model;

[0016] Figure 3 It is a side view schematic diagram of the utility model; Figure 2 It is an A part detail enlarged schematic diagram in the utility model;

[0017] Figure 4 It is a side view schematic diagram of the utility model.

[0018] In the figure: 1, arc-shaped mounting seat; 11, arc-shaped connecting wall; 12, sealing plate; 13, outer protective soft wall; 14, support connecting seat; 15, connecting plate; 151, fixing bolt; 2, heat preservation assembly; 21, ceramic fiber heat preservation cotton; 22, first silicon nitride ceramic pipe; 221, vitrified microbead particle; 23, second silicon nitride ceramic pipe; 231, thickened connecting seat; 24, reinforcing plate; 3, heat preservation plate; 4, heat preservation cotton; 5, sealing door; 51, sealing ring. DETAILED DESCRIPTION

[0019] Please refer to Figures 1-4 The utility model provides the following technical scheme: a heat preservation cover transport device for steel smelting, comprising an arc-shaped mounting seat 1, arc-shaped connecting walls 11 are hinged on both sides of the arc-shaped mounting seat 1, heat preservation assemblies 2 are fixedly connected to the inner sides of the arc-shaped mounting seat 1 and the arc-shaped connecting walls 11, heat preservation plates 3 are fixedly connected to the inner sides of the heat preservation assemblies 2, heat preservation cotton 4 is fixedly connected to the inner sides of the heat preservation plates 3, a sealing door 5 is threadedly connected to one end of the arc-shaped mounting seat 1, a sealing ring 51 is sleeved on the outside of the sealing door 5, the heat preservation assembly 2 comprises ceramic fiber heat preservation cotton 21, a plurality of first silicon nitride ceramic pipes 22 and a plurality of second silicon nitride ceramic pipes 23, the plurality of first silicon nitride ceramic pipes 22 are fixedly connected to the inside of the ceramic fiber heat preservation cotton 21 in an interlaced manner, the plurality of second silicon nitride ceramic pipes 23 are interlaced in an inclined manner, and the plurality of second silicon nitride ceramic pipes 23 are fixedly connected to the plurality of first silicon nitride ceramic pipes 22 at overlapping positions.

[0020] In the embodiment: the arc-shaped mounting seat 1 forms the outer shell of the whole device under the cooperation of the arc-shaped connecting wall 11, the heat preservation assembly 2 inside the arc-shaped mounting seat 1 and the arc-shaped connecting wall 11 forms the heat preservation part in the whole device under the cooperation of the heat preservation plates 3, the ceramic fiber heat preservation cotton 21 in the heat preservation assembly 2 is used for providing the embedded carrier for the first silicon nitride ceramic pipe 22 and the second silicon nitride ceramic pipe 23, the first silicon nitride ceramic pipes 22 are laid through the perpendicular interlaced way in the inside of the ceramic fiber heat preservation cotton 21, are used for reinforcing the whole ceramic fiber heat preservation cotton 21, delay the loss of the whole ceramic fiber heat preservation cotton 21 caused by thermal expansion and contraction due to the large temperature change range in the long-term use process, and the second silicon nitride ceramic pipes 23 arranged in the inclined interlaced way play the roles of reinforcement and heat preservation, are used for further improving the stability of the first silicon nitride ceramic pipe 22 in the ceramic fiber heat preservation cotton 21, and are used for improving the heat preservation performance and firmness of the heat preservation assembly 2 in the use process, at this time, the ceramic fiber heat preservation cotton 21 forms the first heat preservation layer in the whole device under the cooperation of the first silicon nitride ceramic pipe 22 and the second silicon nitride ceramic pipe 23, the heat preservation plates 3 inside the heat preservation assembly 2 form the second heat preservation layer in the whole device, the heat preservation cotton 4 inside the heat preservation plates 3 plays the roles of buffering and heat preservation, at this time, the heat preservation assembly 2, the heat preservation plates 3 and the heat preservation cotton 4 form the heat preservation system in the whole device, which is the tool for heat preservation in the transportation of molten steel, in addition, the arc-shaped connecting wall 11 and the arc-shaped mounting seat 1 are connected in the hinged way, so that the storage device containing the molten steel can be directly placed in the inside of the heat preservation device through hoisting or other ways when the molten steel needs to be transported, without the need of transferring the molten steel from one storage part to another storage part in the process of transporting the molten steel, which can reduce the problems of feeding and discharging before and after the molten steel is transported, and can reduce the risk caused by the transfer of high-temperature molten steel, and the sealing door 5 at the end of the arc-shaped mounting seat 1 is used for plugging the inner cavity of the arc-shaped mounting seat 1.

[0021] The bottom of the arc-shaped mounting seat 1 is fixedly connected with a support connecting seat 14; the support connecting seat 14 is the bottom support seat of the whole device.

[0022] The top of the arc-shaped connecting wall 11 is fixedly connected with a connecting plate 15, and the two connecting plates 15 are fixed through fixed bolts 151; the connecting plate 15 is the connecting part between the two arc-shaped connecting walls 11.

[0023] The outside of the connecting part of the arc-shaped connecting wall 11 and the arc-shaped mounting seat 1 is provided with an outer protective soft wall 13, and the two ends of the outer protective soft wall 13 are fixedly connected to the outside of the arc-shaped connecting wall 11 and the arc-shaped mounting seat 1; the outer protective soft wall 13 is used for protecting the connecting and turning part of the arc-shaped connecting wall 11 and the arc-shaped mounting seat 1.

[0024] The outer side of the heat preservation plate 3 in the inner side of one of the arc-shaped connecting walls 11 is fixedly connected with a sealing plate 12, and the other end of the sealing plate 12 extends to the lower side of the other arc-shaped connecting wall 11; wherein the sealing plate 12 plays a sealing role.

[0025] The inside of the first silicon nitride ceramic pipe 22 is filled with vitrified microsphere particles 221; wherein the vitrified microsphere particles 221 play a heat preservation role.

[0026] The top of the overlapping part of the plurality of second silicon nitride ceramic pipes 23 and the plurality of first silicon nitride ceramic pipes 22 is fixedly connected with a reinforcing plate 24, and the outer side of the reinforcing plate 24 is fixedly connected with a thickened connecting seat 231, and the thickened connecting seat 231 is fixedly connected to the top of one end of the second silicon nitride ceramic pipe 23; wherein the reinforcing plate 24 and the thickened connecting seat 231 are both used to improve the connection stability between the second silicon nitride ceramic pipe 23 and the first silicon nitride ceramic pipe 22.

[0027] The working principle and use process of the utility model: when the molten steel needs to be transported, at this time, first, the sealing door 5 is disassembled from the arc-shaped mounting seat 1, at the same time, the two connecting plates 15 are disassembled, then the arc-shaped connecting wall 11 is turned outwards, when the whole device is in an open state, at this time, the storage tank containing molten steel can be placed on the top of the arc-shaped mounting seat 1 through the external hoisting equipment, then the arc-shaped connecting wall 11 is closed through the connecting plate 15, then the sealing door 5 is connected with the end of the arc-shaped mounting seat 1, finally, the sealing ring 51 is sleeved on the outside of the sealing door 5 through the fixing part.

Claims

1. A heat cover transport device for steel smelting, comprising an arc-shaped mounting seat (1), characterized in that: Both sides of the arc-shaped mounting seat (1) are hinged with arc-shaped connecting walls (11), the inner sides of the arc-shaped mounting seat (1) and the arc-shaped connecting wall (11) are fixedly connected with heat preservation assemblies (2), and the inner side of the heat preservation assembly (2) is fixedly connected with a heat preservation plate (3), the inner side of the heat preservation plate (3) is fixedly connected with heat preservation cotton (4), one end of the arc-shaped mounting seat (1) is threadedly connected with a sealing door (5), and the outer side of the sealing door (5) is provided with a sealing ring (51). The heat preservation assembly (2) comprises ceramic fiber heat preservation cotton (21), a plurality of first silicon nitride ceramic tubes (22) and a plurality of second silicon nitride ceramic tubes (23), a plurality of first silicon nitride ceramic tubes (22) are fixedly connected to the inside of the ceramic fiber heat preservation cotton (21) in a staggered manner, a plurality of second silicon nitride ceramic tubes (23) are staggered and inclined to each other, and a plurality of second silicon nitride ceramic tubes (23) and a plurality of first silicon nitride ceramic tubes (22) are fixedly connected at the overlapping positions.

2. The heat cover transporting device for steel smelting according to claim 1, characterized in that: The bottom of the arc-shaped mounting seat (1) is fixedly connected with a support connecting seat (14).

3. The heat cover transporting device for steel smelting according to claim 1, characterized in that: The top of the arc-shaped connecting wall (11) is fixedly connected with a connecting plate (15), and the two connecting plates (15) are fixed by fixed bolts (151).

4. The heat cover transporting device for steel smelting according to claim 1, characterized in that: The outer side of the connecting position of the arc-shaped connecting wall (11) and the arc-shaped mounting seat (1) is provided with an outer protective soft wall (13), and the two ends of the outer protective soft wall (13) are fixedly connected to the outer sides of the arc-shaped connecting wall (11) and the arc-shaped mounting seat (1).

5. The heat cover transporting device for steel smelting according to claim 1, characterized in that: The outer side of the heat preservation plate (3) located in the inner side of one of the arc-shaped connecting walls (11) is fixedly connected with a sealing plate (12), and the other end of the sealing plate (12) extends below the other arc-shaped connecting wall (11).

6. The heat cover transporting device for steel smelting according to claim 1, characterized in that: The inside of the first silicon nitride ceramic tube (22) is filled with vitrified microbead particles (221).

7. The heat cover transporting device for steel smelting according to claim 1, characterized in that: The top of the overlapping position of a plurality of second silicon nitride ceramic tubes (23) and a plurality of first silicon nitride ceramic tubes (22) is fixedly connected with a reinforcing plate (24), the outer side of the reinforcing plate (24) is fixedly connected with a thickened connecting seat (231), and the thickened connecting seat (231) is fixedly connected to the top of one end of the second silicon nitride ceramic tube (23).

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