Insulating furnace shell structure of fused magnesium smelting furnace

Abstract

The utility model discloses a heat preservation furnace shell structure of an electric smelting magnesium smelting furnace, and relates to the technical field of electric smelting magnesium production equipment. The device comprises a shell, a cavity is formed in the inner side wall of the shell, a constant temperature assembly is installed on the inner side of the shell, and a heat preservation assembly is installed on the outer side wall of the shell; a heating pipe is installed on the upper side wall of a base of the constant-temperature assembly, a heat-conducting plate is installed on the inner side of the base, a sealing plate is installed on the upper side wall of the heat-conducting plate, and a temperature sensor is installed on the lower surface of the sealing plate. A heat preservation layer is installed on the inner side of a heat preservation belt of the heat preservation assembly, one end of the heat preservation belt is provided with a son face hook-and-loop fastener, and the other end of the heat preservation belt is provided with a mother face hook-and-loop fastener. The heat preservation assembly facilitates heat preservation of the interior of the shell, meanwhile, the heat preservation assembly is convenient to disassemble, the smelting temperature is convenient to decrease, the constant temperature assembly facilitates heating of the interior of the shell, the constant temperature effect is kept, and therefore the better heat preservation effect can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fused magnesium production equipment, in particular to a heat-insulating furnace shell structure of a fused magnesium smelting furnace. Background Art

[0002] Fused magnesia is a general term for products that are sintered after high-temperature treatment of magnesium raw materials such as magnesia ore. During the production and processing of fused magnesia, flux is added and the product is calcined in a rotary kiln, which requires the use of a fused magnesium smelting furnace. During the use of the smelting furnace, a protective furnace shell is required for thermal insulation. Therefore, an insulating furnace shell structure of a fused magnesium smelting furnace is required.

[0003] A Chinese patent application with publication number CN217979771U discloses a heat-insulating furnace shell structure of an electric molten magnesium smelting furnace, which relates to the technical field of electric molten magnesium production equipment. It includes a furnace body, the top and bottom of the furnace body are fixed with fixed rings, the outside of the furnace body is fixed with a first insulation layer, the outside of the first insulation layer is provided with a second insulation layer, the top and bottom ends of the first insulation layer and the second insulation layer are respectively fixed to the fixed rings provided at the top and bottom of the furnace body, and the outside of the second insulation layer is provided with an insulation device. The utility model is provided with a first insulation layer, a second insulation layer and an insulation box, and the heat is blocked by multiple insulation layers and insulation boxes, so that the smelting furnace can be effectively insulated, energy waste is reduced, and the physical safety of operators outside the smelting furnace is ensured. In addition, a heat-conducting net is also provided, which can conduct the heat outside the first insulation layer, so that the heat is evenly dispersed outside the first insulation layer and inside the second insulation layer.

[0004] However, it still has the following disadvantages in actual use:

[0005] The above-mentioned insulation furnace shell structure of the fused magnesium smelting furnace can achieve the insulation effect by providing the first insulation layer, the second insulation layer and the insulation box, but there will still be energy loss during the insulation process, and the temperature cannot be increased at the same time;

[0006] The above-mentioned insulation furnace shell structure of the electric magnesium smelting furnace can conduct the heat on the outside of the first insulation layer through the heat-conducting network, so that the heat is evenly dispersed on the outside of the first insulation layer and the inside of the second insulation layer, which is not conducive to the temperature drop during smelting, resulting in the problem that the temperature drops too slowly when not in use.

[0007] To this end, we provide a heat-insulating furnace shell structure for an electric magnesium smelting furnace to solve the above-mentioned problems. Utility Model Content

[0008] The utility model aims to provide a heat-insulating furnace shell structure of an electric molten magnesium smelting furnace, which is convenient for heat-insulating the inside of the shell through a heat-insulating component, and is convenient for disassembly, so as to facilitate the reduction of the smelting temperature. The inside of the shell is convenient for heating through a constant temperature component to maintain a constant temperature effect, so as to achieve a better heat-insulating effect, thereby solving the problem that the heat-insulating furnace shell structure of the existing electric molten magnesium smelting furnace is inconvenient to control the temperature.

[0009] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0010] The utility model discloses a heat-insulating furnace shell structure of an electric magnesium smelting furnace, comprising a shell, an inner side wall of the shell is provided with a cavity, a constant temperature component is installed on the inner side of the shell, and a heat-insulating component is installed on the outer side wall of the shell; a heating pipe is installed on the upper side wall of a base of the constant temperature component, a heat-conducting plate is installed on the inner side of the base, a sealing plate is installed on the upper side wall of the heat-conducting plate, and a temperature sensor is installed on the lower surface of the sealing plate; a heat-insulating layer is installed on the inner side of a heat-insulating belt of the heat-insulating component, a sub-surface Velcro is installed on one end of the heat-insulating belt, and a main-surface Velcro is installed on the other end of the heat-insulating belt.

[0011] The utility model is further configured that a heat conducting plate is installed in the cavity of the shell, and the outer side wall of the inner layer of the shell is closely connected to the heat conducting plate.

[0012] The utility model is further configured that the upper side wall of the shell is detachably fixedly connected to the sealing plate, the lower side wall of the sealing plate is fixedly connected to the temperature sensor, and the temperature sensor is connected to the controller through a wire.

[0013] The utility model is further configured that the inner side wall of the body is fixedly connected to the base, the inner side of the base is fixedly connected to the heat conducting plate, and the upper side wall of the base is circumferentially provided with a plurality of mounting grooves.

[0014] The utility model is further configured that a heating tube is installed in the installation groove of the base, the base and the heating tube are detachably fixedly connected, and the heating tube is connected to the controller through a wire.

[0015] The utility model is further configured that a heat-insulating layer is installed on the outer side wall of the shell, the outer side wall of the shell is closely connected with the heat-insulating layer, and a frosted groove is opened on the inner side of the heat-insulating layer.

[0016] The utility model is further configured such that the outer side wall of the heat-insulating layer is fitted and connected with the heat-insulating belt, and the left end of the heat-insulating belt is fixedly connected with the sub-surface Velcro.

[0017] The utility model is further configured such that the right end of the heat preservation belt is connected to the surface of the main surface Velcro, and the main surface Velcro is connected to the surface of the sub-surface Velcro.

[0018] The utility model has the following beneficial effects:

[0019] The utility model arranges a constant temperature component and arranges a heat conduction plate on the outer side of the inner shell of the shell, so that the shell can transfer the temperature of the inner side into the cavity, so that the temperature in the cavity is increased, and the high-temperature air of the smelting furnace is increased, so that better insulation can be performed. At the same time, the temperature sensor detects the temperature of the inner side of the shell at all times, and then can detect the temperature change inside the shell. After the temperature drops, the heating tube is started, and the heating tube is arranged in a circle, so that the temperature in the cavity is quickly and evenly increased, and then transferred to the inner side of the smelting furnace through the heat conduction plate, so that the temperature inside the smelting furnace is kept at a constant temperature, so that the insulation effect is better, and the problem that the first insulation layer, the second insulation layer and the insulation box can achieve the insulation effect, but there is still energy loss in the insulation process, and the temperature cannot be increased at the same time.

[0020] The utility model provides a thermal insulation component, and performs multi-layer thermal insulation on the temperature inside the shell through the thermal insulation layer and the thermal insulation belt to avoid heat loss. At the same time, the frosted groove of the thermal insulation layer is convenient for connection with the shell to avoid movement of the thermal insulation belt and affect the thermal insulation effect. At the same time, the connection between the sub-surface Velcro and the main-surface Velcro is convenient for removing the thermal insulation belt, thereby facilitating the cooling of the smelting furnace and achieving the effect of rapid installation and disassembly, which solves the problem that the heat outside the first thermal insulation layer can be conducted through the heat-conducting network, so that the heat is evenly dispersed on the outside of the first thermal insulation layer and the inside of the second thermal insulation layer, which is not conducive to the temperature drop during smelting and causes the temperature to drop too slowly when not in use.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a structural schematic diagram of a heat-insulating furnace shell structure of an electric magnesium smelting furnace;

[0024] Figure 2 It is a structural half-section view of a heat-insulating furnace shell structure of an electric magnesium smelting furnace;

[0025] Figure 3 This is a structural exploded view of the thermostatic assembly;

[0026] Figure 4 This is a structural exploded view of the insulation component.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1-shell, 2-constant temperature component, 3-insulation component, 101-cavity, 201-base, 202-heating tube, 203-heat conduction plate, 204-sealing plate, 205-temperature sensor, 301-insulation belt, 302-insulation layer, 303-sub-surface Velcro, 304-motherm surface Velcro, 201a-installation slot, 302a-frosted slot. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Specific embodiment 1

[0031] See also Figure 1 , Figure 2 and Figure 3 The utility model is a heat-insulating furnace shell structure of an electric magnesium smelting furnace, including a shell 1 and a cavity 101 opened on the inner wall of the shell 1, which is convenient for entering and exiting heat to store heat for heat preservation, and a constant temperature component 2 is installed on the inner side of the shell 1, which can increase the temperature of the shell 1 to achieve a better heat preservation effect, thereby solving the existing problem of inconvenience in adjusting the temperature.

[0032] Specifically, the inner wall of the shell 1 is fixedly connected to the base 201, and the base 201 is fixed to facilitate the installation of the base 201. The inner side of the base 201 is fixedly connected to the heat conducting plate 203, and the heat conducting plate 203 has a heat conducting effect. At the same time, the upper side wall of the base 201 is circumferentially provided with a plurality of mounting grooves 201a to facilitate the installation of the heating tube 202. The heating tube 202 is installed in the mounting groove 201a of the base 201, and the base 201 and the heating tube 202 are detachably fixedly connected, and the heating tube 202 is fixed to facilitate heating. The heating tube 202 is connected to the controller through a wire to facilitate the control of the heating tube 202 to work.

[0033] Furthermore, the upper side wall of the shell 1 is detachably fixedly connected to the sealing plate 204, and the sealing plate 204 has a sealing effect, which is convenient for achieving a better heat preservation effect. The lower side wall of the sealing plate 204 is fixedly connected to the temperature sensor 205, and the temperature sensor 205 is fixed to better detect the temperature. The temperature sensor 205 is connected to the controller through a wire so that the detected temperature can be fed back to the controller. At the same time, a heat conducting plate 203 is installed in the cavity 101 of the shell 1 to facilitate heating and heat preservation.

[0034] The operation process of this embodiment is as follows: the heat conducting plate 203 is arranged on the outer side of the inner shell of the shell 1, so that the shell 1 can transfer the temperature of the inner side into the cavity 101, so that the temperature of the cavity 101 is increased, and the high-temperature air of the smelting furnace is increased, so as to better keep warm. At the same time, the temperature sensor 205 always detects the temperature of the inner side of the shell 1, and then can detect the temperature change inside the shell 1. After the temperature drops, the heating tube 202 is started, and the heating tube 202 is arranged in a circle, so as to quickly and evenly increase the temperature in the cavity 101, and then transfer it to the inner side of the smelting furnace through the heat conducting plate 203, so that the temperature inside the smelting furnace can maintain a constant temperature, so that the insulation effect is better. Specific embodiment 2

[0036] See also Figure 1 , Figure 2 and Figure 4 On the basis of the specific embodiment 1, an insulation component 3 is installed on the outer wall of the shell 1. The insulation component 3 can perform multi-layer insulation on the shell 1 to achieve a better insulation effect. At the same time, it is easy to disassemble and facilitate the reduction of the temperature of the smelting furnace, thereby solving the existing inconvenience of reducing the temperature of the smelting furnace.

[0037] Specifically, the outer wall of the insulation layer 302 of the insulation component 3 is fitly connected to the insulation tape 301, and both the insulation layer 302 and the insulation tape 301 can play a role in insulation, so that the insulation effect is better. The left end of the insulation tape 301 is fixedly connected to the sub-surface Velcro 303, and the right end of the insulation tape 301 is fixedly connected to the main surface Velcro 304, which is convenient for connecting the two ends of the insulation tape 301. The surface of the main surface Velcro 304 and the sub-surface Velcro 303 are fitly connected, which is convenient for connecting the two ends of the insulation tape 301.

[0038] Furthermore, the outer wall of the shell 1 is fitted and connected to the insulation layer 302 to facilitate insulation of the shell 1. At the same time, a frosted groove 302a is opened on the inner side of the insulation layer 302. The frosted groove 302a can increase friction and facilitate the connection between the insulation layer 302 and the shell 1.

[0039] The operating process of this embodiment is: the temperature inside the shell 1 is insulated by multiple layers through the insulation layer 302 and the insulation belt 301 to avoid heat loss, and at the same time, the frosted groove 302a of the insulation layer 302 is convenient for connection with the shell 1 to avoid movement of the insulation belt 301 and affect the insulation effect. At the same time, through the connection between the sub-surface Velcro 303 and the main surface Velcro 304, the insulation belt 301 is easy to remove, thereby facilitating the cooling of the smelting furnace, and can achieve the effect of quick installation and disassembly.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A heat-insulating furnace shell structure of an electric magnesium smelting furnace, comprising a shell (1), wherein the inner side wall of the shell (1) is provided with a cavity (101), characterized in that: A constant temperature component (2) is installed on the inner side of the shell (1), and a heat preservation component (3) is installed on the outer side wall of the shell (1); A heating tube (202) is installed on the upper side wall of the base (201) of the thermostatic component (2), a heat conducting plate (203) is installed on the inner side of the base (201), a sealing plate (204) is installed on the upper side wall of the heat conducting plate (203), and a temperature sensor (205) is installed on the lower surface of the sealing plate (204); The inner side of the thermal insulation belt (301) of the thermal insulation component (3) is installed with a thermal insulation layer (302), one end of the thermal insulation belt (301) is installed with a sub-surface Velcro (303), and the other end of the thermal insulation belt (301) is installed with a main-surface Velcro (304).

2. The heat-insulating furnace shell structure of a fused magnesium smelting furnace according to claim 1, characterized in that: A heat conducting plate (203) is installed in the cavity (101) of the shell (1), and the outer side wall of the inner layer of the shell (1) is fitted and connected to the heat conducting plate (203).

3. The heat-insulating furnace shell structure of a fused magnesium smelting furnace according to claim 1, characterized in that: The upper side wall of the housing (1) is detachably fixedly connected to the sealing plate (204), the lower side wall of the sealing plate (204) is fixedly connected to the temperature sensor (205), and the temperature sensor (205) is connected to the controller via a wire.

4. The heat-insulating furnace shell structure of a fused magnesium smelting furnace according to claim 1, characterized in that: The inner side wall of the shell (1) is fixedly connected to the base (201), the inner side of the base (201) is fixedly connected to the heat conduction plate (203), and the upper side wall of the base (201) is provided with a plurality of installation grooves (201a) in a circular shape.

5. The heat-insulating furnace shell structure of a fused magnesium smelting furnace according to claim 1, characterized in that: A heating tube (202) is installed in the installation groove (201a) of the base (201); the base (201) and the heating tube (202) are detachably fixedly connected; and the heating tube (202) is connected to a controller via a wire.

6. The heat-insulating furnace shell structure of a fused magnesium smelting furnace according to claim 1, characterized in that: The outer wall of the shell (1) is provided with a heat-insulating layer (302), the outer wall of the shell (1) is fitted and connected to the heat-insulating layer (302), and a frosted groove (302a) is provided on the inner side of the heat-insulating layer (302).

7. The heat-insulating furnace shell structure of a fused magnesium smelting furnace according to claim 1, characterized in that: The outer side wall of the thermal insulation layer (302) is fitted and connected to the thermal insulation belt (301), and the left end of the thermal insulation belt (301) is fixedly connected to the sub-surface Velcro (303).

8. The heat-insulating furnace shell structure of a fused magnesium smelting furnace according to claim 1, characterized in that: The right end of the heat-insulating belt (301) is connected to the surface of the main surface Velcro (304), and the main surface Velcro (304) is connected to the surface of the sub-surface Velcro (303).

Images