Insulation furnace body and working method of a double-chamber insulation furnace for heating molten aluminum

Abstract

The present invention relates to the technical field of heating furnaces, and particularly to a double-chamber heat preservation furnace for heating aluminum liquid. The present invention supports and drives the rotation of the heat preservation furnace body through the provided support base, so that the heat preservation furnace body can rotate 360 degrees, thereby better adapting to the ladle in any position for taking soup and soup liquid treatment; at the same time, the two heat preservation chambers opened in the heat preservation furnace body are not connected to each other, so as to realize the production of one furnace and the synchronous metal degassing and refining treatment of the other furnace, greatly reducing the heat dissipation degree of the aluminum liquid and improving the production efficiency; moreover, the use of a submerged heating tube as the heating element can not only ensure the improvement of the heating efficiency, but also facilitate the replacement and maintenance of the heating element; through the setting of the above structure, the problems existing in the existing heat preservation furnace are significantly solved, and the production efficiency is improved.

Description

[0001] This application is a divisional application of the application with the application date of November 9, 2021, application number 202111318699.2, and invention name of "A Double-chamber Heat-preservation Furnace for Aluminum Liquid Heating". Technical Field

[0002] The present invention relates to the technical field of heating furnaces, and specifically to a double-chamber heat-preservation furnace for aluminum liquid heating. Background Art

[0003] In the field of aluminum liquid die-casting forming technology, aluminum liquid heat-preservation furnaces are mainly used in supporting casting equipment to provide constant-temperature aluminum liquid for model casting. Existing heat-preservation furnaces can be divided into single-chamber intermittent heating furnaces and continuous double-chamber heat-preservation furnaces according to production nature. In order to meet the operating rate of forging equipment, continuous double-chamber heat-preservation furnaces can make full use of energy and have higher thermal efficiency. However, the existing double-chamber heat-preservation furnaces on the market still have the following problems: 1. There is a connection between the two chambers. When opening the cover to take out the liquid, due to the mixing of air, the aluminum liquid will be oxidized, resulting in a decline in product quality; 2. Due to its large volume, the double-chamber heat-preservation furnace requires the soup-taking machine to move a long path, resulting in a reduction in production efficiency; 3. The heating pipes are arranged inside the surrounding walls of the heat-preservation chamber, and are not easy to replace. Summary of the Invention

[0004] The purpose of the present invention is to provide a double-chamber heat-preservation furnace for aluminum liquid heating, so as to solve the above technical problems, including: a support base, with a pair of steering guide wheels arranged on its lower end surface; and a heat-preservation furnace body fixedly arranged on the upper end surface of the support base; wherein two heat-preservation chambers are opened in the heat-preservation furnace body, and heating elements are arranged in both heat-preservation chambers.

[0005] Further, a vertical fixed rod is arranged on the lower end surface of the support base; the rod is arranged at the center of the support base; and the fixed rod is suitable for fixing the support base, so that when the steering guide wheels rotate, the support base rotates in a circular motion around the fixed rod.

[0006] Further, both of the two heat-preservation chambers are square hearths; and a heat-preservation cover plate is arranged above the heat-preservation chamber, and a pair of material-taking openings for the soup-taking hand to extend into are opened on the heat-preservation cover plate; the caliber of the material-taking opening is smaller than the caliber of the heat-preservation chamber.

[0007] Further, a hydraulic driving member is arranged on the lower end surface of the bottom plate of the heat-preservation chamber; the hydraulic driving member is suitable for pushing the bottom plate of the heat-preservation chamber to move up and down.

[0008] Further, a groove adapted to the shape of the heating element is opened on the bottom plate of the heat-preservation chamber; when the bottom plate moves upward, the heating element can completely sink into the groove.

[0009] Further, heat-insulating materials are arranged around the heat-preservation chamber.

[0010] Further, the heating element is horizontally arranged in the heat preservation chamber and is controlled by a heating element control box arranged on the outer wall of the heat preservation furnace.

[0011] Further, the double-chamber heat preservation furnace for heating aluminum liquid further includes: a control module; the control module is electrically connected to a driving motor that controls the movement of the control steering wheel, so as to control the start and stop of the driving motor, and further control the rotation period of the support base.

[0012] Further, the control module is electrically connected to the hydraulic driving member, so as to control the start and stop of the hydraulic driving member, and further control the rising height of the hydraulic driving member.

[0013] Further, the control module is electrically connected to the heating element control box, so as to control the start and stop of the heating element control box, and further control the heating time of the heating element.

[0014] The beneficial effects of the present invention are as follows: the present invention supports and drives the rotation of the heat preservation furnace body through the provided support base, so that the heat preservation furnace body can rotate 360 degrees, so as to better adapt to the ladle to take soup and process the soup liquid at any position; at the same time, the two heat preservation chambers opened in the heat preservation furnace body are not connected to each other, so as to realize one furnace for production and the other furnace for synchronous metal degassing and refining treatment, greatly reducing the heat dissipation degree of the aluminum liquid and improving the production efficiency; and, the use of an inlaid heating tube as the heating element can not only ensure the improvement of the heating efficiency, but also facilitate the replacement and maintenance of the heating element; through the setting of the above structure, the problems existing in the existing heat preservation furnace are significantly solved, and the production efficiency is improved. Description of the Drawings

[0015] The present invention will be further described below with reference to the drawings and embodiments.

[0016] Figure 1 is a schematic structural diagram of the double-chamber heat preservation furnace for heating aluminum liquid of the present invention;

[0017] Figure 2 is a schematic structural diagram of the heat preservation furnace body in the double-chamber heat preservation furnace for heating aluminum liquid of the present invention;

[0018] Figure 3 is a front view of the double-chamber heat preservation furnace for heating aluminum liquid of the present invention;

[0019] Figure 4 is a schematic diagram of the working state of the hydraulic driving member in the double-chamber heat preservation furnace for heating aluminum liquid of the present invention;

[0020] Figure 5 is an assembly schematic diagram of the heat preservation chamber bottom plate and the heating element in the double-chamber heat preservation furnace for heating aluminum liquid of the present invention;

[0021] Figure 6 is Figure 5 The enlarged schematic view of position A in it.

[0022] In the figure: support base 1, steering idler wheel 11, fixed rod 12, heat preservation furnace body 2, heat preservation chamber 21, bottom plate 211, groove 212, heat preservation cover plate 22, material taking port 221, heating element 3, heating element control box 31, hydraulic drive element 4. Detailed implementation manners

[0023] Now, the present invention will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so they only show the components related to the present invention.

[0024] Embodiment

[0025] As Figure 1 and Figure 2 shown, this embodiment provides a double-chamber heat preservation furnace for heating aluminum liquid, including: a support base 1, with a pair of steering idler wheels 11 provided on its lower end face; and a heat preservation furnace body 2 fixedly arranged on the upper end face of the support base 1; wherein two heat preservation chambers 21 are opened in the heat preservation furnace body 2, and heating elements 3 are arranged in the heat preservation chambers 21.

[0026] In this embodiment, optionally, the support base 1 is used to support and drive the rotation of the heat preservation furnace body 2, so that the heat preservation furnace body 2 can rotate 360 degrees, so as to better adapt to the ladle in any position for taking soup and soup liquid treatment; at the same time, the two heat preservation chambers 21 opened in the heat preservation furnace body 2 are not connected to each other, so as to realize one furnace for production and the other furnace for synchronous metal degassing and refining treatment, greatly reducing the time required for melting aluminum blocks and improving production efficiency; and, by using an immersion heating tube as the heating element 3, it can not only ensure the improvement of heating efficiency, but also facilitate the replacement and maintenance of the heating element 3; through the setting of the above structure, the problems existing in the existing heat preservation furnace are significantly solved, and the production efficiency is improved.

[0027] In this embodiment, optionally, at the machine side, a movable degasser of model MTS1500 MARK10 can be used but not limited to degassing the heat preservation furnace at the machine side. The rotation speed of this degasser is adjustable from 0 to 800 rpm / min, and it can degas efficiently through high-speed rotation. The density index of the molten metal in the heat preservation furnace can be made below 0.5%, and the gas content of the molten metal is extremely low.

[0028] In this embodiment, a vertically downward fixed rod 12 is provided on the lower end face of the support base 1; the rod is arranged at the center of the support base 1; and the fixed rod 12 is suitable for fixing the support base 1, so that when the steering idler wheel 11 rotates, the support base 1 rotates in a circular motion around the fixed rod 12.

[0029] In this embodiment, optionally, one end of the fixed rod 12 is inserted into the ground, and the other end is fixedly connected to the lower end surface of the support base 1 by welding to fix the center of the support base 1. At the same time, the steering guide wheel 11 is arranged on the periphery of the lower end surface of the support base 1; and the steering guide wheel 11 is adapted to a circular track preset on the ground, so that the support base 1 drives the heat preservation furnace body 2 to rotate in a circle along the track.

[0030] In this embodiment, both of the two heat preservation chambers 21 are square furnaces; and a heat preservation cover plate 22 is provided above the heat preservation chamber 21, and a pair of material taking openings 221 for the soup taking hand to extend into are opened on the heat preservation cover plate 22; the diameter of the material taking opening 221 is smaller than the diameter of the heat preservation chamber 21.

[0031] In this embodiment, optionally, the heat preservation chamber 21 is in the shape of a square furnace, which can significantly increase the volume compared with the traditional cylindrical heat preservation chamber 21; and the heat preservation cover plate 22 provided above the heat preservation chamber 21 can reduce the heat dissipation in the heat preservation chamber 21, thereby reducing the energy loss.

[0032] In this embodiment, the diameter of the material taking opening 221 opened on the heat preservation cover plate 22 is smaller than the diameter of the heat preservation chamber 21. When taking materials through the soup taking opening, since the heat flow diffuses irregularly, at this time, the smaller material taking opening 221 can block part of the heat dissipation. At the same time, since the opening of the heat preservation chamber 21 and the heat preservation cover plate 22 form a trapezoid with a narrow upper part and a wide lower part, it is not conducive to the entry of air, thereby avoiding the problem of aluminum liquid oxidation caused by the complete opening of the material taking opening 221 and the entry of air when taking materials.

[0033] In this embodiment, a hydraulic driving member 4 is arranged on the lower end surface of the bottom plate of the heat preservation chamber 21; the hydraulic driving member 4 is adapted to push the bottom plate 211 of the heat preservation chamber 21 to move up and down.

[0034] In this embodiment, optionally, the heat preservation furnace adopts a submerged heating rod as the heating member 3, and the heating member 3 is located in the center of the heat preservation chamber 21. When the soup taking machine needs to take materials, it is difficult to completely take out the area below the heating member 3 due to the existence of the heating member 3. The arranged hydraulic driving member 4 can effectively push the lower bottom plate 211 of the heat preservation chamber 21 to move upward, thereby pushing the aluminum liquid in the heat preservation chamber 21 to move upward, facilitating the soup taking machine to take soup.

[0035] In this embodiment, a groove 212 adapted to the shape of the heating member 3 is opened on the bottom plate 211 of the heat preservation chamber 21; when the bottom plate 211 moves upward, the heating member 3 can completely sink into the groove 212.

[0036] In this embodiment, optionally, a groove 212 adapted to the shape of the heating element 3 is further provided on the bottom plate 211 of the heat preservation chamber 21. Thus, when the bottom plate 211 of the heat preservation chamber 21 is pushed upward by the hydraulic driving member 4, the heating element 3 can be wrapped, which can not only push the molten aluminum to a height convenient for taking out, but also avoid damage to the heating element 3 caused by the pulling of the soup taking machine on the heating element 3.

[0037] In this embodiment, heat preservation materials are provided around the heat preservation chamber 21.

[0038] In this embodiment, the heating element 3 is horizontally arranged in the heat preservation chamber 21 and is controlled by a heating element control box 31 arranged on the outer wall of the heat preservation furnace body 2.

[0039] In this embodiment, optionally, the heating elements 3 are symmetrically arranged in two heat preservation chambers 21, and the heating elements 3 in each heat preservation chamber 21 work independently. The heating element control box 31 arranged on the outer wall of the heat preservation furnace body 2 can freely adjust the heating temperature and heating time of the heating elements 3 it controls respectively, so as to independently control the two chambers, improving the stability of the molten aluminum temperature control.

[0040] In this embodiment, the double-chamber heat preservation furnace for heating molten aluminum further includes: a control module; the control module is electrically connected to the driving motor that controls the movement of the control steering wheel 11, so as to control the start and stop of the driving motor, and further control the rotation period of the support base 1.

[0041] In this embodiment, optionally, the control module includes but is not limited to a PLC control module, such as Omron CP1-W-8ER type PLC expansion.

[0042] In this embodiment, optionally, the control module is electrically connected to the driving motor that controls the movement of the control steering wheel 11, so as to control the rotation period of the support base 1 according to a preset rotation period threshold. As a preference of this embodiment, the rotation period is selected as (1h - 1.5h) / circle.

[0043] In this embodiment, the molten aluminum transferred by the transfer ladle is respectively injected into the two heat preservation chambers 21. When the heating time reaches the preset threshold, the control module controls the driving motor to start, drives the support base 1 to rotate, and rotates the molten aluminum to be taken out to the soup taking machine station to complete the soup taking.

[0044] In this embodiment, the control module is electrically connected to the hydraulic driving member 4, so as to control the start and stop of the hydraulic driving member 4, and further control the rising height of the hydraulic driving member 4.

[0045] In this embodiment, optionally, the control module is electrically connected to the hydraulic drive 4, so as to control the pushing height of the hydraulic drive 4 according to a preset pushing height threshold until the heating element 3 is completely covered.

[0046] In this embodiment, after the heat preservation chamber 21 to be loaded with materials rotates to the soup-taking machine station, the control module controls the hydraulic drive 4 to start, thereby pushing the bottom plate 211 of the heat preservation chamber 21 to rise slowly. At this time, the soup-taking machine continuously takes materials, always ensuring that the soup-taking machine can obtain molten aluminum until the soup-taking is completed.

[0047] In this embodiment, the control module is electrically connected to the heating element control box 31, so as to control the start and stop of the heating element control box 31, and further control the heating time of the heating element 3.

[0048] In this embodiment, optionally, the heating element control box 31 is a TOUNETSU type heating controller.

[0049] In summary, the present invention supports and drives the rotation of the heat preservation furnace body 2 through the provided support base 1, so that the heat preservation furnace body 2 can achieve 360-degree rotation, thereby better adapting to the soup-taking and soup liquid processing of the soup feeder at any position; at the same time, the two heat preservation chambers 21 opened in the heat preservation furnace body 2 are not connected to each other, so as to realize one furnace for production and the other furnace for synchronous metal degassing and refining treatment, greatly reducing the heat dissipation degree of the molten aluminum and improving the production efficiency; and, by using the submerged heating tube as the heating element 3, it can not only ensure the improvement of the heating efficiency, but also facilitate the replacement and maintenance of the heating element 3; through the setting of the above structure, the problems existing in the existing heat preservation furnace are significantly solved, and the production efficiency is improved.

[0050] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0051] Based on the above inspiration from the ideal embodiment of the present invention, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. The heat preservation furnace body of a double-chamber heat preservation furnace for heating molten aluminum, characterized in that, two heat preservation chambers are arranged in the heat preservation furnace body, and heating elements are arranged in the heat preservation chambers; the two heat preservation chambers are both square furnaces; and a heat preservation cover plate is arranged above the heat preservation chamber, and a pair of material taking ports for the soup-taking hand to extend into are arranged on the heat preservation cover plate; the diameter of the material taking port is smaller than the diameter of the heat preservation chamber; a hydraulic driving member is arranged on the lower end surface of the bottom plate of the heat preservation chamber; the hydraulic driving member is suitable for pushing the bottom plate of the heat preservation chamber to move up and down; a groove adapted to the shape of the heating element is arranged on the bottom plate of the heat preservation chamber; when the bottom plate moves upward, the heating element can completely sink into the groove.

2. The heat preservation furnace body according to claim 1, characterized in that, heat preservation materials are arranged around the heat preservation chamber.

3. The heat preservation furnace body according to claim 1, characterized in that, the heating element is horizontally arranged in the heat preservation chamber and is controlled by a heating element control box arranged on the outer wall of the heat preservation furnace.

4. The heat preservation furnace body according to claim 1, characterized in that, the heat preservation furnace body is installed on the upper end surface of a support base; a pair of steering guide wheels are arranged on the lower end surface of the support base.

5. A heat preservation chamber, characterized in that, a heating element is arranged in the heat preservation chamber; the heat preservation chamber is a square furnace; and a heat preservation cover plate is arranged above the heat preservation chamber, and a pair of material taking ports for the soup-taking hand to extend into are arranged on the heat preservation cover plate; the diameter of the material taking port is smaller than the diameter of the heat preservation chamber; a hydraulic driving member is arranged on the lower end surface of the bottom plate of the heat preservation chamber; the hydraulic driving member is suitable for pushing the bottom plate of the heat preservation chamber to move up and down; a groove adapted to the shape of the heating element is arranged on the bottom plate of the heat preservation chamber; when the bottom plate moves upward, the heating element can completely sink into the groove.

6. The heat preservation chamber according to claim 5, characterized in that, heat preservation materials are arranged around the heat preservation chamber.

7. The heat preservation chamber according to claim 5, characterized in that, the heating element is horizontally arranged in the heat preservation chamber and is controlled by a heating element control box arranged on the outer wall of the heat preservation furnace.

8. A working method of a double-chamber heat preservation furnace for heating molten aluminum, characterized in that, comprising: one heat preservation chamber to be charged is rotated to the soup-taking machine station; the hydraulic driving member is started to slowly push the bottom plate of the heat preservation chamber to rise, so that when the soup-taking machine takes materials from the material taking port at the upper end of the heat preservation chamber, the soup-taking machine can always take molten aluminum until the soup-taking is completed; the support base is driven to rotate to turn the heat preservation chamber that has completed soup-taking away from the soup-taking machine station and turn another heat preservation chamber to be charged to the soup-taking machine station; a hydraulic driving member is arranged on the lower end surface of the bottom plate of the heat preservation chamber; the hydraulic driving member is suitable for pushing the bottom plate of the heat preservation chamber to move up and down; a groove adapted to the shape of the heating element is arranged on the bottom plate of the heat preservation chamber; when the bottom plate moves upward, the heating element can completely sink into the groove.

9. The working method of the double-chamber heat preservation furnace for heating molten aluminum according to claim 8, characterized in that, further comprising: When taking soup from one heat-insulated chamber, metal degassing and refining treatment is carried out on the other heat-insulated chamber.

Images