Combined heating type electric heat preserving furnace
By using a combined heating electric holding furnace, which combines an electric heater and a silicon carbide rod, the problem of low heating efficiency in existing aluminum liquid holding furnaces is solved, achieving uniform and efficient heating of the aluminum liquid.
Patent Information
- Application Number
- CN202422953847.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Existing aluminum liquid holding furnaces have low heating efficiency and long heat radiation transfer time, which affects the heating efficiency of aluminum liquid.
A combined heating electric heat preservation furnace is adopted. The first heating structure heats the surface of the aluminum liquid through thermal radiation, while the second heating structure heats the aluminum liquid through direct contact heat conduction. Combined with an electric heater and silicon carbide rod, the contact area with the aluminum liquid is increased, thereby improving the heating efficiency.
It achieves uniform heating of molten aluminum, improves heating efficiency, reduces interference when the ladle of the die-casting machine descends, extends the service life of the heating structure, and ensures the uniformity of heating of the molten aluminum.
Smart Images
Figure CN223525544U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of liquid aluminum holding furnace, especially relates to a combined heating type electric holding furnace. BACKGROUND
[0002] Liquid aluminum holding furnace is an important equipment in the production of aluminum alloy, and is applied to the die-casting process of aluminum alloy. The liquid aluminum holding furnace is heated to ensure that the melted aluminum alloy can remain liquid in the holding furnace for a long time.
[0003] In the prior art, the silicon-carbon rod at the inner end of the furnace cover acts on the surface of the aluminum liquid by heat radiation to heat the aluminum liquid. However, this heating method has the following disadvantages: the heat radiation requires a long time to transfer heat, thereby affecting the heating efficiency. SUMMARY
[0004] The utility model discloses a combined heating type electric holding furnace, which aims to solve the technical problem of low heating efficiency in the prior art.
[0005] To achieve the above-mentioned purpose, the utility model embodiment provides a combined heating type electric holding furnace, which comprises a hollow furnace body, a holding chamber with a top opening, a soup injection chamber and a soup taking chamber are arranged in the hollow furnace body, one end of the holding chamber is communicated with the soup injection chamber, and the other end is communicated with the soup taking chamber, a furnace cover is arranged on the top of the hollow furnace body, the furnace cover can open or cover the top opening of the holding chamber, a first heating structure is arranged at the inner end of the furnace cover and faces the holding chamber, a second heating structure is arranged on the hollow furnace body, and the second heating structure penetrates the hollow furnace body in the vertical direction and its end is located in the soup taking chamber.
[0006] Optionally, the first heating structure is an electric heater, the connecting end is fixed to the top of the soup taking chamber through the assembly structure, and the free end is suspended in the soup taking chamber and can act on the aluminum liquid.
[0007] Optionally, the assembly structure is in the shape of a ring-shaped block, the inner ring is tightly matched with the first heating structure, the top wall of the soup taking chamber is provided with an assembly perforation corresponding to the assembly structure, and the free end of the first heating structure passes through the assembly perforation, and then the assembly structure is fixed to the outer top wall of the soup taking chamber through screws.
[0008] Optionally, the utility model further comprises a protective baffle, the top end of the protective baffle is fixedly connected with the inner top end wall of the soup taking chamber and is vertically arranged between the first heating structure and the mouth along of the top opening of the soup taking chamber.
[0009] Optionally, the top of the protective baffle is provided with a ventilation hole and a flow-through hole.
[0010] Optionally, an inner end of the furnace cover is inwardly recessed with a fitting groove, and the second heating structure is a silicon-carbon rod fitted in the fitting groove.
[0011] Optionally, a bottom of the soup injection chamber is provided with a slope.
[0012] Optionally, the combination further comprises a first cover plate movably connected with the hollow furnace body, and the first cover plate can open or cover a top opening of the soup injection chamber.
[0013] Optionally, the combination further comprises a second cover plate movably connected with the hollow furnace body, and the second cover plate can open or cover a top opening of the soup taking chamber.
[0014] Optionally, the combination further comprises a supporting pad provided at a bottom of the hollow furnace body.
[0015] The combination heating type electric heat preservation furnace provided in the embodiments of the present application has at least one of the following technical effects:
[0016] 1. The first heating structure is directed to the molten aluminum in the heat preservation chamber and acts on the surface of the molten aluminum by heat radiation, and the second heating structure penetrates the hollow furnace body in the vertical direction and is inserted into the molten aluminum in the soup taking chamber and acts on the molten aluminum by direct contact heat conduction. Compared with the prior art, the second heating structure of the present application is inserted into direct contact with the molten aluminum to increase the contact area with the molten aluminum, so that the molten aluminum in the soup taking chamber is heated more uniformly, and the first heating structure is used to heat the molten aluminum with double heat sources at the same time, which is beneficial to improve the heating efficiency of the molten aluminum.
[0017] 2. The protective baffle is used to reduce the interference between the first heating structure and the soup spoon of the die casting machine when the soup spoon is lowered, which is beneficial to improve the service life of the first heating structure.
[0018] 3. The air vent and the flow-through hole are used to avoid a large temperature difference between the molten aluminum on both sides of the protective baffle, thereby ensuring the uniformity of the heating of the molten aluminum in the soup taking chamber. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0020] Figure 1 The top view of the combination heating type electric heat preservation furnace provided in the embodiments of the present application.
[0021] Figure 2 for the length Figure 1 sectional view along the line A-A in the figure.
[0022] wherein the reference signs in the figures refer to:
[0023] 1 - hollow furnace body, 11 - heat-insulating chamber, 12 - soup pouring chamber, 13 - soup taking chamber;
[0024] 2 - furnace cover, 21 - first heating structure, 22 - assembly groove;
[0025] 3 - second heating structure, 31 - assembly structure;
[0026] 4 - protective baffle, 41 - air hole, 42 - flow-through hole;
[0027] 5 - first cover plate;
[0028] 6 - second cover plate;
[0029] 7 - supporting pad. DETAILED DESCRIPTION
[0030] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.
[0031] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "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, and are only for the purpose of facilitating the description of the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0032] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.
[0033] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0034] In an embodiment of the present application, as shown in Figures 1-2 A combined heating type electric heat preservation furnace is provided, which comprises a hollow furnace body 1, a top opening heat preservation chamber 11, a soup pouring chamber 12 and a soup taking chamber 13 are arranged in the hollow furnace body 1, one end of the heat preservation chamber 11 is communicated with the soup pouring chamber 12, the other end is communicated with the soup taking chamber 13, a furnace cover 2 is arranged on the top of the hollow furnace body 1, the furnace cover 2 can open or cover the top opening of the heat preservation chamber 11, a first heating structure 21 is arranged at the inner end of the furnace cover 2 and faces the heat preservation chamber 11, a second heating structure 3 is arranged on the hollow furnace body 1, the second heating structure 3 penetrates the hollow furnace body 1 in the vertical direction and the end thereof is located in the soup taking chamber 13. Specifically, temperature sensors are arranged in the soup taking chamber 13 and the heat preservation chamber 11 respectively, the temperature sensors are used for monitoring the temperature of the aluminum liquid in real time, and an electrical control system capable of receiving the electrical signals of the temperature sensors is further arranged, the first heating structure 21 and the second heating structure 3 are electrically connected with an external power supply through the electrical control system, and then the start and stop of the first heating structure 21 and the second heating structure 3 are controlled according to the real-time aluminum liquid temperature.
[0035] In an embodiment of the present application, the first heating structure 21 is an electric heater, the connecting end is fixed to the top of the soup taking chamber 13 through the assembly structure 31, and the free end is suspended in the soup taking chamber 13 and can act on the aluminum liquid. Specifically, two electric heaters are arranged, and the two electric heaters are respectively inserted into the aluminum liquid in the soup taking chamber 13 in the vertical direction, and the heating efficiency is further improved.
[0036] In an embodiment of the present application, the assembly structure 31 is in the form of a ring-shaped block body, the inner ring is tightly matched with the first heating structure 21, the top wall of the soup taking chamber 13 is provided with an assembly perforation corresponding to the assembly structure 31, and the free end of the first heating structure 21 passes through the assembly perforation, and then the assembly structure 31 is fixed to the outer top wall of the soup taking chamber 13 through screws. Specifically, the outer top wall of the soup taking chamber 13 is provided with three screw holes, and the ring-shaped block body is provided with screw perforations corresponding to the screw holes one by one, so that the structure is simple and convenient to install.
[0037] In one embodiment of the utility model, still include the protection baffle 4, the top of protection baffle 4 with the inner top end wall of the soup taking chamber 13 fixed connection, and vertically arranged between the first heating structure 21 with the top opening of the soup taking chamber 13. The top of protection baffle 4 outwardly extends a tab, the tab is provided with a waist-shaped hole for a screw to pass through, the top wall of the soup taking chamber 13 is provided with a screw hole corresponding to the waist-shaped hole, and the screw is fixed by cooperating with a nut after passing through the screw hole and the waist-shaped hole.
[0038] In one embodiment of the utility model, the top of the protection baffle 4 is provided with a vent hole 41, and the top is provided with a flow hole 42. Specifically, the top of the protection baffle 4 is provided with three vent holes 41, and the height of the three vent holes 41 is equal to the liquid level in the hollow furnace body 1. The top of the protection baffle 4 is provided with 5*5 flow holes 42, thereby increasing the flowability of the molten aluminum on both sides of the protection baffle.
[0039] In one embodiment of the utility model, the inner end of the furnace cover 2 is inwardly recessed to form a mounting groove 22, and the second heating structure 3 is a silicon-carbon rod mounted in the mounting groove 22.
[0040] In one embodiment of the utility model, the bottom of the soup pouring chamber 12 is provided with a slope. The slope is directed towards the top opening of the soup pouring chamber 12, which is beneficial to the flow of the molten aluminum to the heat preservation chamber 11.
[0041] In one embodiment of the utility model, a first cover plate 5 is movably connected to the hollow furnace body 1, and the first cover plate 5 can open or cover the top opening of the soup pouring chamber 12. Specifically, the first cover plate 5 is pivotally connected to the hollow furnace body 1 by a hinge, and the top opening of the soup pouring chamber 12 is covered to reduce heat loss.
[0042] In one embodiment of the utility model, a second cover plate 6 is movably connected to the hollow furnace body 1, and the second cover plate 6 can open or cover the top opening of the soup taking chamber 13. Specifically, the second cover plate 6 is pivotally connected to the hollow furnace body 1 by a hinge, and the top opening of the soup taking chamber 13 is covered to reduce heat loss.
[0043] In one embodiment of the utility model, a support pad 7 is arranged at the bottom of the hollow furnace body 1. Specifically, there are six support pads 7 at the bottom of the hollow furnace body 1.
[0044] The above description is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A combination heated electric holding furnace comprising a hollow furnace body, characterized in that: The hollow furnace body is internally provided with a top-opened heat preservation chamber, a soup pouring chamber and a soup taking chamber, one end of the heat preservation chamber is communicated with the soup pouring chamber, the other end is communicated with the soup taking chamber, the top of the hollow furnace body is provided with a furnace cover, the furnace cover can open or cover the top opening of the heat preservation chamber, the inner end of the furnace cover is provided with a first heating structure facing the heat preservation chamber, the hollow furnace body is provided with a second heating structure, the second heating structure penetrates the hollow furnace body in the vertical direction and its end is located in the soup taking chamber.
2. The combination heated electric holding furnace of claim 1 wherein: Further comprising an assembly structure, the first heating structure is an electric heater, the connecting end is fixed to the top of the soup taking chamber through the assembly structure, the free end is suspended in the soup taking chamber and can act on the aluminum liquid.
3. The combination heated electric holding furnace of claim 2 wherein: The assembly structure is an annular block, the inner ring is tightly matched with the first heating structure, the top wall of the soup taking chamber is provided with an assembly through hole corresponding to the assembly structure, after the free end of the first heating structure passes through the assembly through hole, the assembly structure is fixed to the outer top wall of the soup taking chamber through screws.
4. The combination heated electric holding furnace of claim 2 wherein: Further comprising a protective baffle, the top end of the protective baffle is fixedly connected with the inner top end wall of the soup taking chamber and is vertically arranged between the first heating structure and the mouth along of the top opening of the soup taking chamber.
5. The combination heated electric holding furnace of claim 4 wherein: The top of the protective baffle is provided with a ventilation hole and a flow-through hole.
6. The combination heated electric holding furnace of claim 1 wherein: The inner end of the furnace cover is inwardly recessed with an assembly groove, the second heating structure is a silicon-carbon rod arranged in the assembly groove.
7. The combination heated electric holding furnace of claim 1 wherein: The bottom of the soup pouring chamber is provided with a slope.
8. The combination heated electric holding furnace of claim 1 wherein: Further comprising a first cover plate movably connected with the hollow furnace body, the first cover plate can open or cover the top opening of the soup pouring chamber.
9. The combination heated electric holding furnace of claim 1 wherein: Further comprising a second cover plate movably connected with the hollow furnace body, the second cover plate can open or cover the top opening of the soup taking chamber.
10. The combination heated electric holding furnace of claim 1 wherein: Further comprising a supporting pad foot arranged at the bottom of the hollow furnace body.