Heat dissipation prevention intermediate frequency furnace automatic opening sealing cover

Abstract

The utility model discloses a heat dissipation prevention intermediate frequency furnace automatic opening sealing cover which comprises an intermediate frequency furnace top plate, an intermediate frequency furnace opening is formed in the intermediate frequency furnace top plate, an intermediate frequency furnace sealing cover is buckled on the intermediate frequency furnace opening, the intermediate frequency furnace sealing cover comprises a heat-resistant steel shell, and heat-resistant steel hooks are evenly arranged on the inner surface of the heat-resistant steel shell. The heat-resistant steel hook is in an inverted-T shape, a heavy refractory brick layer, a light refractory brick layer and an aluminum silicate refractory fiber layer are sequentially arranged in the heat-resistant steel shell from top to bottom, the heat-resistant steel hook sequentially penetrates through the heavy refractory brick layer, the light refractory brick layer and the aluminum silicate refractory fiber layer to be embedded in the heat-resistant steel shell, and a worm cover opening mechanism is arranged on the top of the intermediate frequency furnace sealing cover. The heat dissipation prevention sealing cover is additionally arranged on the upper opening of the hearth of the intermediate frequency furnace, heat dissipation is reduced, the temperature rising speed of the intermediate frequency furnace is increased, meanwhile, the whole sealing cover mechanism is designed to be automatically opened under driving of the motor and the worm speed reducer, and the labor intensity of operators can be relieved.

Description

Technical Field

[0001] The utility model relates to a medium frequency smelting furnace, in particular to an anti-heat dissipation medium frequency furnace with an automatically opened sealing cover. Background Art

[0002] Medium frequency furnaces are very convenient for the production of small and medium-sized steel castings and iron castings, so now small and medium-sized steel mills generally use medium frequency melting furnaces for smelting and casting of alloy steel castings and iron castings. In the process of medium frequency melting, in order to reduce energy consumption and burning loss of ferroalloys, the shorter the time of the entire smelting process, the better. In order to shorten the smelting time, in addition to measures such as increasing the power of the medium frequency power supply, reserving hot molten steel at the bottom of the furnace, preheating the charge, and moderate ferroalloy particle size, preventing the heat loss in the furnace is also a measure. Since the melting temperature of cast steel and cast iron is as high as 1350-1650 degrees, this high-temperature thermal radiation loses heat very seriously, in order to reduce heat loss. When the medium frequency furnace stops melting, the furnace mouth can be covered with an anti-heat sealing cover to prevent the furnace crucible from cooling rapidly and causing cracks in the crucible, thereby extending the service life of the furnace and reducing production costs. The current anti-heat sealing cover is opened for too long, and its structure is simple, and the anti-heat effect is not understood. Summary of the invention

[0003] The purpose of the utility model is to provide an anti-heat dissipation medium frequency furnace automatic opening sealing cover which adopts a worm cover opening mechanism so that the anti-heat dissipation sealing cover added on the upper opening of the medium frequency furnace can be automatically opened under the drive of a motor and a worm reducer, so that the sealing cover can timely cover the furnace opening of the medium frequency furnace to reduce heat loss, and at the same time improve the structure and material of the sealing cover to achieve the effect of improving thermal insulation.

[0004] The purpose of the utility model is achieved by the following methods:

[0005] An automatic opening sealing cover of an anti-heat dissipation medium frequency furnace comprises a medium frequency furnace top plate, a medium frequency furnace mouth is arranged on the medium frequency furnace top plate, the medium frequency furnace sealing cover is buckled on the medium frequency furnace mouth, the medium frequency furnace sealing cover comprises a heat-resistant steel shell, heat-resistant steel hooks are evenly arranged on the inner surface of the heat-resistant steel shell, the heat-resistant steel hooks are inverted "T" shape, a heavy refractory brick layer, a light refractory brick layer, and an aluminum silicate refractory fiber layer are arranged in sequence from top to bottom in the heat-resistant steel shell, wherein the heat-resistant steel hooks penetrate the heavy refractory brick layer, the light refractory brick layer, and the aluminum silicate refractory fiber layer in sequence and are embedded therein, and a worm cover-opening mechanism is arranged on the top of the medium frequency furnace sealing cover.

[0006] The above-mentioned anti-heat dissipation medium frequency furnace automatically opens the sealing cover, and the worm cover opening mechanism includes an opening plate fixed on the top of the medium frequency furnace sealing cover, and also includes a shell for installing a worm gear on the side wall of the medium frequency furnace top plate, one end of the shell for installing the worm gear is fixed on the side wall of the medium frequency furnace top plate, and a worm wheel is arranged inside the other end of the shell for installing the worm gear, and a worm is installed in the shell for installing the worm gear, and the worm is fully meshed with the worm wheel, and the worm output shaft is fixed on the opening plate, and the worm is connected to the reducer, and one end of the medium frequency furnace sealing cover away from the opening plate is hinged on the medium frequency furnace top plate.

[0007] The above-mentioned anti-heat dissipation medium frequency furnace automatically opens the sealing cover, and the opening plate includes a top plate fixed on the top of the medium frequency furnace sealing cover and a rotating rod fixedly connected to the top plate, and the rotating rod is fixedly connected to the worm gear output shaft.

[0008] Compared with the prior art, the utility model has the following technical effects:

[0009] The utility model can reduce the loss of heat by adding an anti-heat-dissipation sealing cover to the upper opening of the intermediate frequency furnace, increase the heating speed of the intermediate frequency furnace, speed up the smelting progress, increase the ferroalloy yield, and reduce the loss of precious metals; at the same time, the entire sealing cover mechanism is designed to open automatically under the drive of the motor and the worm reducer, which can reduce the labor intensity of the operator. When the intermediate frequency furnace stops smelting, the anti-heat-dissipation sealing cover can be used to cover the furnace opening. At the same time, the structure and material of the upper frequency furnace sealing cover can improve the heat preservation effect, prevent the furnace crucible from cooling down quickly, and cause cracks in the crucible, thereby extending the service life of the furnace and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model.

[0011] Figure 2 Based Figure 1 AA cross-section diagram. DETAILED DESCRIPTION

[0012] In order to make the purpose, technical solution and advantages of the implementation mode of the present invention clearer, the technical solution in the implementation mode of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the implementation mode of the present invention.

[0013] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0014] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0015] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0016] The following is combined with Figure 1-Figure 2 The structure and working process of the utility model are specifically described in detail.

[0017] An anti-heat dissipation medium frequency furnace automatic opening sealing cover comprises a medium frequency furnace top plate 4, a medium frequency furnace mouth is arranged on the medium frequency furnace top plate, a medium frequency furnace sealing cover 3 is buckled on the medium frequency furnace mouth, the medium frequency furnace sealing cover comprises a heat-resistant steel shell 5, heat-resistant steel hooks 9 are evenly arranged on the inner surface of the heat-resistant steel shell, the heat-resistant steel hooks are inverted "T" shape, a heavy refractory brick layer 6, a light refractory brick layer 7, and an aluminum silicate refractory fiber layer 8 are arranged in sequence from top to bottom in the heat-resistant steel shell, wherein the heat-resistant steel hooks penetrate the heavy refractory brick layer, the light refractory brick layer, and the aluminum silicate refractory fiber layer in sequence and are embedded therein, and a worm cover opening mechanism is arranged on the top of the medium frequency furnace sealing cover.

[0018] The utility model discloses an automatic opening sealing cover for an anti-heat dissipation medium frequency furnace, wherein the worm cover opening mechanism comprises an opening plate fixedly arranged on the top of the sealing cover of the medium frequency furnace, and also comprises a shell for installing a worm gear and a worm gear on the side wall of the medium frequency furnace top plate, wherein one end of the shell for installing the worm gear and a worm gear is fixed on the side wall of the medium frequency furnace top plate, and a worm gear is arranged inside the other end of the shell for installing the worm gear and a worm gear, and a worm gear is installed in the shell for installing the worm gear and a worm gear, and the worm gear and the worm gear are fully meshed, and the worm gear output shaft is fixed on the opening plate, and the worm gear is connected to the reducer, and one end of the sealing cover of the medium frequency furnace away from the opening plate is hinged on the top plate of the medium frequency furnace, and the worm gear and a worm gear mechanism is a prior art, and the worm gear output shaft is fixedly connected to the top plate of the medium frequency furnace of the utility model, so as to drive the top plate of the medium frequency furnace to open.

[0019] The utility model discloses an automatic opening sealing cover for an anti-heat dissipation medium frequency furnace, wherein the opening plate comprises a top plate fixed on the top of the sealing cover of the medium frequency furnace and a rotating rod fixedly connected to the top plate, and the rotating rod is fixedly connected to the worm gear output shaft.

[0020] The utility model can reduce the loss of heat by adding an anti-heat-dissipation sealing cover to the upper opening of the intermediate frequency furnace, increase the heating speed of the intermediate frequency furnace, speed up the smelting progress, increase the ferroalloy yield, and reduce the loss of precious metals; at the same time, the entire sealing cover mechanism is designed to open automatically under the drive of the motor and the worm reducer, which can reduce the labor intensity of the operator. When the intermediate frequency furnace stops smelting, the anti-heat-dissipation sealing cover can be used to cover the furnace opening. At the same time, the structure and material of the upper frequency furnace sealing cover can improve the heat preservation effect, prevent the furnace crucible from cooling down quickly, and cause cracks in the crucible, thereby extending the service life of the furnace and reducing production costs.

[0021] The above is only a preferred embodiment of the present invention. It should be pointed out that those skilled in the art can make several changes and improvements without departing from the overall concept of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. An anti-heat dissipation medium frequency furnace automatic opening sealing cover, comprising a medium frequency furnace top plate, a medium frequency furnace opening is arranged on the medium frequency furnace top plate, and the medium frequency furnace sealing cover is buckled on the medium frequency furnace opening, characterized in that: The intermediate frequency furnace sealing cover comprises a heat-resistant steel shell, and heat-resistant steel hooks are evenly arranged on the inner surface of the heat-resistant steel shell, and the heat-resistant steel hooks are inverted "T" shape. A heavy refractory brick layer, a light refractory brick layer, and an aluminum silicate refractory fiber layer are arranged in sequence from top to bottom in the heat-resistant steel shell, wherein the heat-resistant steel hooks penetrate the heavy refractory brick layer, the light refractory brick layer, and the aluminum silicate refractory fiber layer in sequence and are embedded therein, and a worm cover opening mechanism is arranged on the top of the intermediate frequency furnace sealing cover.

2. The automatic opening sealing cover of the anti-heat dissipation medium frequency furnace according to claim 1 is characterized in that: The worm cover opening mechanism includes an opening plate fixed on the top of the medium frequency furnace sealing cover, and also includes a shell for installing a worm gear and a worm gear on the side wall of the medium frequency furnace top plate. One end of the shell for installing the worm gear and a worm gear is fixed on the side wall of the medium frequency furnace top plate, and a worm wheel is arranged inside the other end of the shell for installing the worm gear and a worm gear. The worm is installed in the shell for installing the worm gear and a worm gear is fully meshed with the worm wheel. The worm wheel output shaft is fixed on the opening plate, the worm is connected to the reducer, and one end of the medium frequency furnace sealing cover away from the opening plate is hinged on the medium frequency furnace top plate.

3. The automatic opening sealing cover of the anti-heat dissipation medium frequency furnace according to claim 2 is characterized in that: The opening plate comprises a top plate fixed on the top of the sealing cover of the intermediate frequency furnace and a rotating rod fixedly connected to the top plate, and the rotating rod is fixedly connected to the worm gear output shaft.

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