Intermediate frequency furnace lining gland plate

Abstract

The utility model discloses a furnace lining gland plate of an intermediate frequency furnace, which is characterized in that a furnace lining is arranged at the bottom of a second gland plate, a first gland plate is mounted at the top of the second gland plate, bolt holes are formed in the edge of the first gland plate, and the first gland plate and the furnace lining are fixed through bolts and the bolt holes in the edge of the first gland plate. Bolts are arranged between every two bolt holes in the first gland plate and penetrate through the first gland plate to be connected with the second gland plate, meanwhile, the first gland plate and the second gland plate are fastened through nuts, and arc furnace nozzles are cut at furnace mouths of the first gland plate and the second gland plate. According to the intermediate frequency furnace lining gland plate, the first gland plate and the second gland plate are arranged, the impact force of material falling on a furnace lining can be reduced, the steel plate thickness of the first gland plate and the steel plate thickness of the second gland plate are 20 mm, the whole gland plate can resist the high temperature of 1000 DEG C, and the double-layer gland plate can better generate pressure on the furnace lining.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of intermediate frequency furnace, concretely to intermediate frequency furnace furnace lining gland plate. BACKGROUND

[0002] After building new furnace in intermediate frequency furnace, will carry out the furnace baking sintering furnace lining of 22 hours, makes its furnace building material reach a stable state, the furnace lining under this state bears the high temperature molten iron to it carries out the rapid corrosion, also bears the impact of material falling in the process of adding material, the impact force is too big also can cause the furnace lining to produce crack. After the daily day shift production, the furnace is stopped, the next night shift is started, every time the temperature process is affected by operation and external factors, temperature control deviation is big, the furnace lining expansion and contraction frequently, the furnace lining expansion coefficient is uneven, also can cause the furnace lining to produce crack to increase, the furnace lining is not stable, accelerates the molten iron leakage.

[0003] From the above, it can be known that the high temperature molten iron can corrode the furnace lining, and cracks can be produced in the production process, the molten iron can penetrate out along the gap, there is a big security risk, in the whole process, the high temperature molten iron is easy to penetrate out of the furnace shell and touch the coil, leading to the risk of fire and explosion, in view of the above problem, the existing intermediate frequency furnace needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of intermediate frequency furnace furnace lining gland plate, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of intermediate frequency furnace furnace lining gland plate, including the bottom of second gland plate is provided with furnace lining, the top of second gland plate is installed with first gland plate, and the edge of first gland plate is provided with bolt hole, while first gland plate and furnace lining are fixed by bolt and the bolt hole of first gland plate edge, bolt is arranged between every two bolt holes on first gland plate, and bolt is connected with second gland plate by penetrating first gland plate, while first gland plate and second gland plate are fastened by nut, the furnace mouth of first gland plate and second gland plate is cut circular arc nozzle.

[0006] Preferably, the bolt is a 30mm diameter bolt.

[0007] Preferably, the circular arc nozzle cut at the furnace mouth of first gland plate and second gland plate is consistent with the size of furnace mouth.

[0008] Preferably, a gasket is provided between the bolt and the nut.

[0009] Compared with the prior art, the beneficial effects of the utility model are that: the medium frequency furnace furnace lining gland plate, be provided with first gland plate and second gland plate, can reduce the impact of material falling on the furnace lining, and the steel plate thickness of first gland plate and second gland plate is 20mm, so that the whole gland plate can resist 1000 degrees Celsius high temperature, and double-layer gland plate can better produce pressure to the furnace lining. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is the sectional structure schematic diagram of the utility model;

[0011] Fig. 2 It is the overhead structure schematic diagram of the utility model.

[0012] In the drawing: 1, first gland plate;2, gasket;3, bolt;4, nut;5, furnace lining;6, second gland plate. DETAILED DESCRIPTION

[0013] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0014] Please refer to Figs. 1-2 The utility model provides a kind of technical scheme: a kind of medium frequency furnace furnace lining gland plate, including the bottom of second gland plate 6 is provided with furnace lining 5, the top of second gland plate 6 is equipped with first gland plate 1, and the edge of first gland plate 1 is provided with bolt hole, while first gland plate 1 and furnace lining 5 are fixed by bolt and the bolt hole of first gland plate 1 edge, bolt 3 is arranged between every two bolt holes on first gland plate 1, and bolt 3 is connected with second gland plate 6 by penetrating first gland plate 1, while first gland plate 1 and second gland plate 6 are fastened by nut 4, the furnace mouth of first gland plate 1 and second gland plate 6 is cut circular arc furnace nozzle.

[0015] The bolt 3 is 30mm diameter bolt piece, and the bolt is used to connect furnace lining 5 and gland plate.

[0016] The furnace mouth of first gland plate 1 and second gland plate 6 is cut circular arc furnace nozzle, and the size of furnace mouth is consistent.

[0017] Gasket 2 is arranged between bolt 3 and nut 4, which can well increase the friction force of furnace lining 5 and gland plate, so that it is stable.

[0018] Working principle: when using the intermediate frequency furnace lining cover plate, after sintering in the intermediate frequency furnace, the cover plate is aligned with the gap by the multifunctional overhead crane magnetic suction disc, then slowly put down, then put the gasket 2, and then tighten the screw cap 4, in the process of tightening the screw cap 4, the sleeve is used to tighten several turns by the lever principle, so that it is more stable, which completes the whole work, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0019] The terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only a simplified description for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0020] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A furnace lining cover plate for a medium-frequency furnace, comprising a furnace lining (5) disposed at the bottom of a second cover plate (6), characterized in that: The top of the second pressure plate (6) is equipped with a first pressure plate (1), and the edge of the first pressure plate (1) is provided with bolt holes. The first pressure plate (1) and the furnace lining (5) are fixed by bolts and the bolt holes on the edge of the first pressure plate (1). A bolt (3) is provided between every two bolt holes on the first pressure plate (1), and the bolt (3) passes through the first pressure plate (1) and connects with the second pressure plate (6). The first pressure plate (1) and the second pressure plate (6) are fastened by nuts (4). The furnace mouth of the first pressure plate (1) and the second pressure plate (6) is cut with an arc-shaped furnace nozzle.

2. The medium-frequency furnace lining cover plate according to claim 1, characterized in that: The bolt (3) is a 30mm diameter bolt.

3. The medium-frequency furnace lining cover plate according to claim 1, characterized in that: The first pressure plate (1) and the second pressure plate (6) have arc-shaped nozzles cut at the furnace opening, which are the same size as the furnace opening.

4. The medium-frequency furnace lining cover plate according to claim 1, characterized in that: A washer (2) is provided between the bolt (3) and the nut (4).

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