Lead ingot lead smelting furnace

Abstract

The utility model discloses a lead ingot melting furnace, which relates to the technical field of lead melting and comprises a furnace body and an upper cover device, a lead liquid confluence chamber, a lead liquid stirring chamber and a lead ingot melting chamber are arranged in the furnace body, and a double-seal lead outlet component is arranged at the bottom of the lead liquid confluence chamber; the upper cover device comprises a cover seat, a liquid level measuring assembly, a stirring assembly and a right front hole are sequentially arranged on the front half side of the cover seat, a left rear hole, a middle rear hole and a right feeding notch are formed in the rear half side of the cover seat, and heat preservation cover plates covering the right front hole, the left rear hole and the middle rear hole are hinged to the cover seat. A portal frame is further fixed to the cover seat and provided with air cylinders used for controlling the heat preservation cover plates to be opened and closed. According to the lead melting furnace, the plurality of chambers are arranged in the furnace body, and the furnace cover convenient for opening and closing each chamber is arranged, so that the lead melting furnace has the functions of quickly opening each chamber for observation and deslagging, and the technical problems that the furnace cover of the existing lead melting furnace cannot be quickly and conveniently opened for observation and deslagging, and the quality of lead liquid is poor are solved.

Description

Technical Field

[0001] This utility model relates to the field of lead melting technology, specifically to a lead ingot melting furnace. Background Technology

[0002] A lead melting furnace is a device that can melt lead ingots to obtain molten lead. The molten lead obtained from the lead melting furnace can be used to manufacture lead-acid battery grids, cable sheathing, etc. Therefore, lead melting furnaces are widely used in the battery industry and lead extrusion industry.

[0003] Currently, there are many lead melting furnace technologies in the existing technology. For example, patent document CN204787787U discloses a lead melting furnace for a lead ingot machine. This furnace includes a furnace body, heating tubes, a support, a lead feeding assembly, a furnace hood, and a stirring assembly. Although this lead melting furnace has the advantage of improving lead melting efficiency, careful analysis reveals the following technical problems:

[0004] 1. During the lead melting process, it is usually necessary to observe the liquid level and impurities inside the lead melting furnace in real time and remove slag in a timely manner. However, the furnace cover of this furnace is an integral structure, and the furnace cover is heavy. The furnace body can only be opened by lifting the furnace cover, which makes it impossible to quickly and conveniently open the furnace cover for observation and slag removal.

[0005] 2. The lead melting furnace has only one chamber, and impurities inside can easily flow out with the molten lead, affecting the quality of the molten lead.

[0006] 3. The lead melting furnace uses valves to output molten lead, but the melting temperature of lead ingots is 327.5℃. High temperature can easily damage the valves, resulting in a short service life and easy leakage of molten lead, which can cause safety accidents.

[0007] Therefore, it is necessary to provide a new technology to solve the above-mentioned technical problems. Utility Model Content

[0008] To overcome the aforementioned technical problems in the prior art, this utility model provides a lead ingot melting furnace. By setting multiple chambers inside the furnace body and configuring furnace covers that facilitate the opening and closing of each chamber, this utility model not only enables the lead melting furnace to quickly open each chamber for observation and slag removal, but also improves the quality of the molten lead. This solves the technical problems of existing lead melting furnaces, such as the inability to quickly and conveniently open the furnace cover for observation and slag removal, and the poor quality of the molten lead.

[0009] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0010] A lead ingot melting furnace includes a furnace body and a top cover device, wherein,

[0011] The furnace body is provided with a lead liquid collection chamber, a lead liquid stirring chamber and a lead ingot melting chamber from left to right. The lead liquid stirring chamber and the lead ingot melting chamber are connected at the bottom. The bottom of the lead liquid stirring chamber is connected to the middle of the lead liquid collection chamber through a pipe. The bottom of the lead liquid collection chamber is provided with a double-sealed lead outlet assembly.

[0012] The upper cover device includes a cover seat fixed on the furnace body. The front half of the cover seat is provided with a liquid level measuring component extending into the lead liquid collection chamber, a stirring component extending into the lead liquid stirring chamber, and a right front hole communicating with the lead ingot melting chamber, from left to right. The rear half of the cover seat is provided with a left rear hole, a middle rear hole, and a right feed notch above the lead liquid collection chamber, the lead liquid stirring chamber, and the lead ingot melting chamber, respectively. The cover seat is hinged with heat-insulating cover plates that cover the right front hole, the left rear hole, and the middle rear hole, respectively. A gantry frame is also fixed on the cover seat, and the gantry frame is provided with cylinders for controlling the opening and closing of the heat-insulating cover plates, respectively.

[0013] The double-sealed lead outlet assembly includes a sealing rod and an L-shaped lead outlet pipe. The inlet of the lead outlet pipe is provided with a tapered slope, and a sealing ball plug is fixed to the outlet of the lead outlet pipe through a flange. The sealing rod is vertically positioned directly above the inlet. The upper part of the sealing rod is threaded to the cover seat, and the upper end of the sealing rod extends out of the cover seat. A sealing ball head that matches the tapered slope is fixed to the lower end of the sealing rod.

[0014] The lead pipe is welded and fixed at a 45-degree angle to the adjacent two side walls of the furnace body or on the side wall of the furnace body.

[0015] The front half of the cover is provided with through holes that communicate with the lead liquid collection chamber and the lead liquid stirring chamber. A mounting plate is fixed above the through holes by bolts, and the liquid level measuring component and the stirring component are respectively fixed on the mounting plate.

[0016] Symmetrical stiffening plates are fixed on both sides of the right front hole, both sides of the left rear hole, both sides of the middle rear hole, and both sides of each through hole. Each insulation cover plate and each mounting plate are located between the stiffening plates.

[0017] The cover has protrusions integrally formed at the middle of both ends, and the two ends of the gantry frame are fixed to the protrusions by bolts.

[0018] A lifting ring is fixed to one side of the boss on the cover.

[0019] The middle part of the cover is fixed with a hinge seat, and the heat-insulating cover plate is connected to the cover via the hinge seat.

[0020] The furnace body has pin holes at its four corners, and the cover is fixed with corresponding pins at its four corners. The cover is fixed to the furnace body by inserting the pins into the pin holes.

[0021] A protective cover for covering the right feed opening is fixed on the cover.

[0022] The advantages of using this utility model are:

[0023] 1. This utility model, by separately setting up a lead molten metal collection chamber, a lead molten metal stirring chamber, and a lead ingot melting chamber inside the furnace body, and through the cooperation of these three sequentially connected chambers and stirring components, can ensure uniform lead molten metal and cause impurities to float to the surface. Furthermore, the openable and closable heat-insulating covers mounted on the cover base facilitate the rapid opening and closing of the lead molten metal collection chamber, the lead molten metal stirring chamber, and the lead ingot melting chamber, thereby enabling observation of the lead molten metal and impurities in the three chambers, and allowing for slag removal when there are many impurities. Compared to existing lead melting furnaces, this utility model allows for quick and convenient opening of the heat-insulating covers via a cylinder without removing the cover base, enabling observation and slag removal of each chamber. This facilitates real-time observation and slag removal, thereby improving the quality of the lead molten metal and ensuring the stability and reliability of lead ingot melting.

[0024] 2. This utility model uses a sealing ball head and a sealing ball plug to seal the lead pipe from both ends to form a double-sealed lead outlet structure, which can not only effectively prevent lead leakage and improve the safety of lead melting, but also improve the durability and service life of the double-sealed lead outlet assembly by eliminating the valve structure.

[0025] 3. The lead pipe in this utility model can be fixed at a 45-degree angle to the adjacent two side walls of the furnace body, or it can be fixed on the side wall of the furnace body, which is conducive to being used in different places and is more practical.

[0026] 4. This utility model uses an mounting plate and through holes to fix the liquid level measuring component and the stirring component and allow them to extend into the furnace body, so that the liquid level measuring component and the stirring component and the cover are integrated into one structure. In practical applications, it is only necessary to fix the cover to the furnace body to achieve the fixed installation of the liquid level measuring component and the stirring component, which is more convenient to use and more practical.

[0027] 5. The reinforcing ribs of this utility model help to enhance the structural strength of the cover seat, which can effectively prevent the cover seat from breaking during use.

[0028] 6. The protrusion of this invention helps to improve the stability of the gantry frame on the cover, thereby making the opening and closing of the insulation cover plate more stable and reliable.

[0029] 7. This utility model uses a lifting ring to facilitate the overall lifting and opening of the upper cover device as needed, making the overall movement of the upper cover device more convenient.

[0030] 8. This utility model can stably fix the upper cover device to the furnace body through the pin and pin hole, thereby preventing the cover from sliding on the furnace body.

[0031] 9. This utility model, through its protective cover, not only helps to ensure the accuracy and reliability of feeding, but also helps to prevent external objects from accidentally falling into the furnace body, thus improving the safety of use. Attached Figure Description

[0032] Figure 1 This is a cross-sectional structural diagram of the present invention;

[0033] Figure 2 This is a side view of the three-dimensional structure of the present invention;

[0034] Figure 3 This is a front-view three-dimensional structural diagram of the present invention;

[0035] Figure 4 This is a left-view stereoscopic structural diagram of the present invention;

[0036] Figure 5 This is a cross-sectional view of the double-sealed lead outlet assembly in this utility model.

[0037] Figure 6 This is a front-view perspective three-dimensional structural diagram of the upper cover device in this utility model;

[0038] Figure 7 This is a left-side perspective three-dimensional structural diagram of the upper cover device in this utility model;

[0039] Figure 8 This is a side view of the three-dimensional structure of the upper cover device in this utility model.

[0040] The following are marked in the diagram: 1. Furnace body, 2. Top cover device, 3. Lead liquid collection chamber, 4. Lead liquid stirring chamber, 5. Lead ingot melting chamber, 6. Double-sealed lead tapping assembly, 7. Cover seat, 8. Liquid level measuring assembly, 9. Stirring assembly, 10. Insulation cover plate, 11. Gantry frame, 12. Sealing rod, 13. Lead tapping pipe, 14. Flange, 15. Sealing ball plug, 16. Sealing ball head, 17. Mounting plate, 18. Rib plate, 19. Lifting ring, 20. Hinge seat, 21. Pin, 22. Protective cover. Detailed Implementation

[0041] like Figure 1-4 As shown in Figures 6-8, this utility model provides a lead ingot melting furnace, which includes a furnace body 1 and an upper cover device 2. Wherein,

[0042] The furnace body 1 has a rectangular structure. Inside the furnace body 1, from left to right, are arranged a lead molten metal collection chamber 3, a lead molten metal stirring chamber 4, and a lead ingot melting chamber 5. The lead molten metal stirring chamber 4 and the lead ingot melting chamber 5 are connected at the bottom. The bottom of the lead molten metal stirring chamber 4 is connected to the middle of the lead molten metal collection chamber 3 via a pipe. A double-sealed lead outlet assembly 6 is installed at the bottom of the lead molten metal collection chamber 3. The lead ingots to be melted first enter the lead ingot melting chamber 5, and after melting into lead molten metal, they enter the lead molten metal stirring chamber 4. After being stirred and slag removed in the lead molten metal stirring chamber 4, they then enter the lead molten metal collection chamber 3 through a pipe. There is a certain height difference between the lead molten metal collection chamber 3 and the lead molten metal stirring chamber 4, which can filter impurities. In practical applications, a filter screen can also be installed at the lower end of the pipe for further filtration of impurities. Finally, when the lead molten metal in the lead molten metal collection chamber 3 accumulates to a certain amount, the double-sealed lead outlet assembly 6 is opened to discharge the lead molten metal.

[0043] The upper cover device 2 includes a cover seat 7 adapted to the shape of the furnace body 1. Pin holes are respectively opened at the four corners of the furnace body 1, and corresponding pins 21 are fixed at the four corners of the cover seat 7. The cover seat 7 is fixed to the furnace body 1 by inserting the pins 21 into the pin holes to prevent the cover seat 7 from moving. From left to right, the front half of the cover seat 7 is provided with a liquid level measuring component 8 extending into the lead liquid collection chamber 3, a stirring component 9 extending into the lead liquid stirring chamber 4, and a right front hole communicating with the lead ingot melting chamber 5. When the molten lead enters the lead liquid stirring chamber 4, the stirring component 9 can make the lead liquid mix evenly and cause impurities in the lead liquid to float to the surface, thereby preventing impurities from entering the lead liquid collection chamber 3. When the liquid level measuring component 8 detects that there is too much lead liquid in the lead liquid collection chamber 3, the double-sealed lead outlet component 6 can be opened to discharge the lead liquid.

[0044] Furthermore, the lead liquid confluence chamber 3, lead liquid stirring chamber 4, and lead ingot melting chamber 5 on the rear half of the cover 7 are respectively provided with a left rear hole, a middle rear hole, and a right feed notch. A hinge seat 20 is fixed to the middle of the cover 7 from left to right. Insulation cover plates 10 are hinged to the cover 7 via the hinge seats 20, and each insulation cover plate 10 covers the right front hole, left rear hole, and middle rear hole respectively. In addition, a gantry frame 11 is fixed to the cover 7. Cylinders (not shown in the figure) are connected to the gantry frame 11. The number of cylinders is the same as or greater than the number of insulation cover plates 10. One end of each cylinder is hinged to the gantry frame 11, and the other end of each cylinder is hinged to the insulation cover plate 10. By controlling the extension and retraction of the cylinder, the heat preservation cover 10 can be opened or closed, thereby enabling the lead liquid confluence chamber 3, the lead liquid stirring chamber 4, and the lead ingot melting chamber 5 to be opened or closed quickly and easily. This not only facilitates real-time observation of the lead melting process but also facilitates real-time slag removal.

[0045] In a specific embodiment, such as Figure 5As shown, the double-sealed lead outlet assembly 6 includes a sealing rod 12 and an L-shaped lead outlet pipe 13. The lead outlet pipe 13 is welded to the bottom of the furnace body 1. The inlet of the lead outlet pipe 13 has a tapered slope, and the outlet of the lead outlet pipe 13 is fixed with a sealing ball plug 15 through a flange 14. The sealing rod 12 is vertically positioned directly above the inlet. The upper part of the sealing rod 12 is threaded to the cover seat 7, and the lower part of the sealing rod 12 is guided by a guide ring fixed inside the furnace body 1. The upper end of the sealing rod 12 extends out of the cover seat 7, and the lower end of the sealing rod 12 is fixed with a sealing ball head 16 that matches the tapered slope. By controlling the sealing ball head 16 on the sealing rod 12 to move downwards to closely contact the tapered slope, the inlet of the lead outlet pipe 13 can be sealed. The sealing ball plug 15 is fixed to the outlet of the lead outlet pipe 13 through the flange 14, which can seal the outlet of the lead outlet pipe 13. During the lead melting process, both the inlet and outlet of the lead outlet pipe 13 are sealed, forming a double-sealed structure that effectively prevents lead leakage and ensures a safer lead melting process. When a large amount of lead accumulates in the lead manifold 3, the flange 14 can be loosened first, and the sealing ball plug 15 removed to release the seal on the outlet of the lead outlet pipe 13. Then, the sealing rod 12 is raised to separate the sealing ball head 16 from the conical inclined surface, releasing the seal on the inlet of the lead outlet pipe 13. At this point, the lead can flow out smoothly through the lead outlet pipe 13. The double-sealed lead outlet assembly 6 in this embodiment is entirely mechanical and has no easily damaged parts such as valves, thus effectively improving the durability and service life of the double-sealed lead outlet assembly 6.

[0046] In this embodiment, as Figure 1-4 As shown, the lead outlet pipe 13 can be welded and fixed at a 45-degree angle to the adjacent two side walls of the furnace body 1 or fixed to the side wall of the furnace body 1. In this embodiment, the lead outlet pipe 13 is welded and fixed at a 45-degree angle to the adjacent two side walls of the furnace body 1 to adapt to specific site conditions.

[0047] In a specific embodiment, such as Figure 1-4 As shown, the front half of the cover 7 is provided with through holes that communicate with the lead liquid collection chamber 3 and the lead liquid stirring chamber 4. An mounting plate 17 is fixed above the through holes by bolts. The mounting plate 17 covers the through holes. The liquid level measuring component 8 and the stirring component 9 are fixed on the mounting plate 17.

[0048] It should be noted that the shape and size of the mounting plate 17 can be the same as those of the insulation cover plate 10. In addition, the liquid level measuring component 8 and the stirring component 9 mentioned above are existing conventional technologies and will not be described in detail.

[0049] Since the cover 7 is usually a casting and has a large area, in order to prevent the cover 7 from breaking during use, this embodiment has symmetrical stiffening plates 18 fixed on both sides of the right front hole, both sides of the left rear hole, both sides of the middle rear hole and both sides of each through hole, and each heat insulation cover plate 10 and each mounting plate 17 are located between the stiffening plates 18, which can effectively improve the structural strength of the cover 7 and achieve the purpose of preventing the cover 7 from breaking and being damaged.

[0050] In an optional embodiment, such as Figure 2 , 3 As shown in Figures 6 and 8, each end of the cover 7 has an integrally formed boss at its middle section. The two ends of the gantry frame 11 are respectively fixed to the two bosses by bolts, so that the gantry frame 11 can be more stably fixed on the cover 7, thereby making the cylinder installed on the gantry frame 11 more stable and reliable.

[0051] In an optional embodiment, such as Figure 2-4 As shown in Figures 6 and 8, a lifting seat is integrally formed on one side of the two protrusions on the cover 7. A lifting ring 19 is threaded onto the lifting seat. The upper cover device 2 can be lifted off the furnace body 1 as a whole through the lifting ring 19, thereby realizing the overall opening of the furnace body 1.

[0052] In an optional embodiment, such as Figure 1-4 As shown, a protective cover 22 for covering the right feed notch is also fixed to the cover 7 by bolts.

[0053] In practical use, this invention can transport lead ingots from the right feed notch into the furnace body 1 using existing conventional conveying devices. The specific implementation principle is as follows:

[0054] After the lead ingots enter the lead ingot melting chamber 5, they are melted into molten lead under the high temperature of conventional heating structures such as electric heating tubes. The molten lead then enters the lead stirring chamber 4, where the stirring component 9 stirs the lead and causes impurities to float to the surface, facilitating slag removal. When the liquid level in the lead stirring chamber 4 is higher than the pipe height, the molten lead enters the lead manifold 3 through the pipe. Due to the height difference between the lead manifold 3 and the lead stirring chamber 4, the pipe can filter impurities. During the aforementioned melting process, the insulation cover 10 can be opened by controlling the cylinder, allowing real-time observation of the melting state and impurity status of the molten lead in each chamber, thereby initiating the corresponding slag removal operation.

[0055] When the liquid level measuring component 8 detects a large amount of lead liquid in the lead liquid manifold 3, first loosen the flange 14, remove the sealing ball plug 15, and release the seal on the outlet of the lead pipe 13. Then, control the sealing rod 12 to rise, causing the sealing ball head 16 to separate from the conical inclined surface, releasing the seal on the inlet of the lead pipe 13. At this time, the lead liquid can flow out smoothly through the lead pipe 13. After the lead liquid in the lead liquid manifold 3 is discharged, first seal the inlet, then seal the outlet to allow lead liquid to continue accumulating.

[0056] In summary, this invention allows for the convenient and quick opening and closing of the lead melt confluence chamber 3, the lead melt stirring chamber 4, and the lead ingot melting chamber 5. This facilitates real-time observation of the lead melting process and real-time slag removal. It improves the quality of the lead melt and ensures the stability and reliability of the lead ingot melting process. Furthermore, the liquid level measuring component 8 and the stirring component 9 are integrated with the cover 7. In practical applications, simply fixing the cover 7 to the furnace body 1 is sufficient to securely install the liquid level measuring component 8 and the stirring component 9, making it more convenient and practical.

[0057] The above description is only a specific embodiment of the present utility model. Any feature disclosed in this specification may be replaced by other equivalent or similar features unless otherwise specified. All features or steps in all methods or processes disclosed may be combined in any way except for mutually exclusive features and / or steps.

Claims

1. A lead ingot melting furnace, comprising a furnace body (1) and a top cover device (2), characterized in that: The furnace body (1) is provided with a lead liquid collection chamber (3), a lead liquid stirring chamber (4) and a lead ingot melting chamber (5) from left to right. The lead liquid stirring chamber (4) and the lead ingot melting chamber (5) are connected at the bottom. The bottom of the lead liquid stirring chamber (4) is connected to the middle of the lead liquid collection chamber (3) through a pipe. The bottom of the lead liquid collection chamber (3) is provided with a double-sealed lead outlet assembly (6). The upper cover device (2) includes a cover seat (7) fixed on the furnace body (1). The front half of the cover seat (7) is provided with a liquid level measuring component (8) extending into the lead liquid flow chamber (3), a stirring component (9) extending into the lead liquid stirring chamber (4), and a right front hole communicating with the lead ingot melting chamber (5) from left to right. The rear half of the cover seat (7) is provided with a left rear hole, a middle rear hole, and a right feeding notch above the lead liquid flow chamber (3), the lead liquid stirring chamber (4), and the lead ingot melting chamber (5), respectively. The cover seat (7) is hinged with heat-insulating cover plates (10) respectively covering the right front hole, the left rear hole, and the middle rear hole. The cover seat (7) is also fixed with a gantry frame (11), and the gantry frame (11) is provided with cylinders for controlling the opening and closing of the heat-insulating cover plates (10) respectively.

2. The lead ingot melting furnace according to claim 1, characterized in that: The double-sealed lead outlet assembly (6) includes a sealing rod (12) and an L-shaped lead outlet pipe (13). The inlet of the lead outlet pipe (13) is provided with a tapered slope, and the outlet of the lead outlet pipe (13) is fixed with a sealing ball plug (15) through a flange (14). The sealing rod (12) is vertically positioned directly above the inlet. The upper part of the sealing rod (12) is threaded onto the cover (7), and the upper end of the sealing rod (12) passes through the cover (7). The lower end of the sealing rod (12) is fixed with a sealing ball head (16) that matches the tapered slope.

3. A lead ingot melting furnace according to claim 2, characterized in that: The lead pipe (13) is welded and fixed at 45 degrees to the adjacent two side walls of the furnace body (1) or on the side wall of the furnace body (1).

4. A lead ingot melting furnace according to claim 1, characterized in that: The front half of the cover (7) is provided with through holes that communicate with the lead liquid confluence chamber (3) and the lead liquid stirring chamber (4). A mounting plate (17) is fixed above the through holes by bolts. The liquid level measuring component (8) and the stirring component (9) are fixed on the mounting plate (17).

5. A lead ingot melting furnace according to claim 4, characterized in that: Symmetrical stiffening plates (18) are fixed on both sides of the right front hole, both sides of the left rear hole, both sides of the middle rear hole and both sides of each through hole. Each heat insulation cover plate (10) and each mounting plate (17) are located between the stiffening plates (18).

6. A lead ingot melting furnace according to claim 1, characterized in that: The two ends of the cover (7) are integrally formed with bosses, and the two ends of the gantry (11) are fixed to the bosses by bolts.

7. A lead ingot melting furnace according to claim 1, characterized in that: A lifting ring (19) is fixed on one side of the boss on the cover (7).

8. A lead ingot melting furnace according to claim 1, characterized in that: The middle part of the cover (7) is fixed with a hinge seat (20), and the heat-insulating cover plate (10) is connected to the cover (7) through the hinge seat (20).

9. A lead ingot melting furnace according to claim 1, characterized in that: The furnace body (1) has pin holes at its four corners, and the cover (7) has corresponding pins (21) fixed at its four corners. The cover (7) is fixed to the furnace body (1) by inserting the pins (21) into the pin holes.

10. A lead ingot melting furnace according to claim 1, characterized in that: A protective cover (22) for covering the right feed notch is fixed on the cover (7).

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