Heating device of molten aluminum holding furnace

Abstract

The utility model relates to the technical field of heat preservation furnace equipment, and discloses a molten aluminum heat preservation furnace heating device which comprises a furnace wall, a calcium silicate board is fixedly connected to the inner wall of the furnace wall, an impermeable layer is fixedly connected to the inner side of the calcium silicate board, and a macromolecule heater is fixedly connected to the side, opposite to the impermeable layer, of the calcium silicate board in a sliding mode. Mounting frames are fixedly connected to the upper side and the lower side of the furnace wall, and the polymer heaters are uniformly distributed in a U shape and are made of a carbon nanotube composite material. According to the utility model, molten aluminum is added into the heat preservation furnace through the feed port, the macromolecular heaters are controlled to start, the molten aluminum is fully heated through the operation of the macromolecular heaters distributed in a U shape, heat preservation is carried out through the good thermal isolation property of the calcium silicate board, and the impermeable layer prevents the molten aluminum from permeating to influence the durability of the furnace wall; the heating device of the molten aluminum holding furnace can uniformly heat molten aluminum, and the heating efficiency of the molten aluminum is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat preservation furnace equipment especially relates to a molten aluminum heat preservation furnace heating device. BACKGROUND

[0002] Molten aluminum heat preservation furnace is a kind of equipment for keeping the temperature of molten aluminum stable, usually used in the industrial processes such as aluminum alloy casting, aluminum ingot production, molten aluminum storage, in order to ensure that molten aluminum keeps in the proper temperature range after melting, prevent the temperature of molten aluminum from being too low due to heat loss, thereby affecting the quality and production efficiency of aluminum castings, need to use a kind of molten aluminum heat preservation furnace heating device.

[0003] In the prior art, the molten aluminum heat preservation furnace heating device can cope with small changes in furnace weight, abnormal changes in molten aluminum level, etc. through a full closed-loop control system, reducing the molten aluminum burn loss rate, but cannot uniformly heat the molten aluminum, resulting in general molten aluminum heating efficiency. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a kind of molten aluminum heat preservation furnace heating device, to improve the problem that the molten aluminum heat preservation furnace heating device in prior art cannot uniformly heat molten aluminum, resulting in general molten aluminum heating efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of molten aluminum heat preservation furnace heating device, including furnace wall, the furnace wall inner wall is fixedly connected with silica-calcium board, the silica-calcium board inner side is fixedly connected with impermeable layer, the silica-calcium board and the impermeable layer opposite side are fixedly connected with high polymer heater with sliding.

[0006] As a further description of the above technical scheme:

[0007] The mounting bracket is fixedly connected on the upper and lower sides of the furnace wall.

[0008] As a further description of the above technical scheme:

[0009] The high polymer heater is uniformly distributed in U shape, and the high polymer heater is made of carbon nanotube composite material.

[0010] As a further description of the above technical scheme:

[0011] The feeding port is formed in the left side of the furnace wall.

[0012] As a further description of the above technical scheme:

[0013] The discharge pipe is fixedly connected to the front side of the impermeable layer, and the control valve is arranged on the outer side of the discharge pipe.

[0014] As a further description of the above technical scheme:

[0015] The material of the silicon calcium plate comprises calcium silicate and glass fiber, and the anti-seepage layer is made of graphite.

[0016] Further description of the above technical solution:

[0017] The mounting frame is made of stainless steel.

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

[0019] In the utility model, the aluminum liquid is added into the heat preservation furnace through the feeding port, the high polymer heater is controlled to start, the aluminum liquid is fully heated through the operation of the U-shaped distributed high polymer heater, the heat preservation is carried out through the good heat insulation of the silicon calcium plate, the durability of the furnace wall is prevented from being affected by the penetration of the aluminum liquid through the anti-seepage layer, the aluminum liquid heat preservation furnace heating device can uniformly heat the aluminum liquid, and the aluminum liquid heating efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 A perspective view of an aluminum liquid heat preservation furnace heating device is provided for the utility model;

[0021] Fig. 2 An upper sectional view of an aluminum liquid heat preservation furnace heating device is provided for the utility model;

[0022] Fig. 3 An internal structure schematic view of an aluminum liquid heat preservation furnace heating device is provided for the utility model.

[0023] LEGEND:

[0024] 1, anti-seepage layer;2, high polymer heater;3, silicon calcium plate;4, furnace wall;5, discharge pipe;6, mounting frame;7, feeding port. DETAILED DESCRIPTION

[0025] The technical solutions 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] REFERENCE Figs. 1-3The utility model provides an embodiment: a kind of aluminium liquid holding furnace heating device, including furnace wall 4, furnace wall 4 inner wall is fixedly connected with silicocalcium board 3, silicocalcium board 3 inner side is fixedly connected with anti-permeation layer 1, silicocalcium board 3 and anti-permeation layer 1 opposite side fixedly slide connection has macromolecular heater 2, macromolecular heater 2 adopts U shape even distribution, macromolecular heater 2 adopts carbon nanotube composite material, furnace wall 4 left side is provided with feed inlet 7, anti-permeation layer 1 front side middle part is fixedly connected with discharge pipe 5, discharge pipe 5 outside is provided with control valve.

[0027] In the aluminium liquid heating process, first by feed inlet 7 aluminium liquid is injected into holding furnace, then, system control starts macromolecular heater 2, makes it full power operation, using the macromolecular heater 2 of U shape distribution is fully and evenly heated to aluminium liquid, this unique design ensures the even distribution of heat, to avoid the phenomenon that aluminium liquid is locally overheated or supercooled, in order to further improve the holding effect, holding furnace is used in silicocalcium board 3, by its excellent heat insulation performance, effectively keep the temperature in furnace, ensure that aluminium liquid is not easy to lose heat in the heating process, simultaneously, the design of anti-permeation layer 1 is also crucial, it can effectively prevent aluminium liquid permeation, protect the durability of furnace wall 4, avoid the structural damage caused by aluminium liquid leakage, through this series of carefully designed components and system, the heating device of aluminium liquid holding furnace not only realizes the even heating to aluminium liquid, improves heating efficiency, also ensures the long-term stable operation and durability of equipment, this high efficiency heating and holding system promotes the processing efficiency of aluminium liquid, provides reliable basis for subsequent aluminium processing technology, and then improves the benefit and quality of overall production.

[0028] Refer to Figs. 1-3 , furnace wall 4 upper and lower sides are all fixedly connected with mounting bracket 6, mounting bracket 6 adopts stainless steel material, the material of silicocalcium board 3 includes calcium silicate and glass fiber, anti-permeation layer 1 adopts graphite material.

[0029] Through mounting bracket 6 to facilitate the installation of device, through stainless steel material to provide mounting bracket 6 with strong corrosion resistance, high temperature resistance, through the silicocalcium board 3 of calcium silicate and glass fiber material to provide the device with heat preservation and heat insulation, through graphite to have excellent high temperature resistance and corrosion resistance of molten metal, prevent aluminium liquid permeation influence the durability of furnace wall 4.

[0030] Working principle: aluminium liquid is added into holding furnace through feed inlet 7, control starts macromolecular heater 2, through the operation of the macromolecular heater 2 of U shape distribution to aluminium liquid is fully heated, through the good heat insulation of silicocalcium board 3 and is kept warm, through anti-permeation layer 1 to prevent aluminium liquid permeation influence the durability of furnace wall 4, realizes that aluminium liquid holding furnace heating device can evenly heat to aluminium liquid, improves aluminium liquid heating efficiency.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A heating device for a holding furnace for molten aluminum, comprising a furnace wall (4), characterized in that: The inner wall of the furnace wall (4) is fixedly connected with a silicium calcium plate (3), the inner side of the silicium calcium plate (3) is fixedly connected with an anti-seepage layer (1), and the side opposite to the anti-seepage layer (1) of the silicium calcium plate (3) is fixedly and slidably connected with a high polymer heater (2).

2. A heating device for holding liquid aluminum in a holding furnace according to claim 1, characterized in that: The upper and lower sides of the furnace wall (4) are fixedly connected with mounting racks (6).

3. The molten aluminum holding furnace heating device according to claim 1, characterized by: The high polymer heater (2) is uniformly distributed in a U shape, and the high polymer heater (2) is made of a carbon nanotube composite material.

4. The molten aluminum holding furnace heating device according to claim 1, characterized by: The left side of the furnace wall (4) is provided with a feeding port (7).

5. The molten metal holding furnace heating device of claim 1, wherein: The front side of the anti-seepage layer (1) is fixedly connected with a discharging pipe (5), and the outer side of the discharging pipe (5) is provided with a control valve.

6. A molten metal holding furnace heating device as claimed in claim 1, wherein: The material of the silicium calcium plate (3) comprises calcium silicate and glass fiber, and the anti-seepage layer (1) is made of graphite.

7. A molten metal holding furnace heating device as claimed in claim 2, wherein: The mounting rack (6) is made of stainless steel.

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